From 6be3792198ef54a3204cf12a3007adc2deb6645a Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Fri, 2 Oct 2020 12:53:01 +0300 Subject: [PATCH 01/74] tracer: Add call_tracer_open_ethereum with formatted output similar to OpenEthereum # Conflicts: # eth/tracers/internal/tracers/assets.go --- eth/tracers/internal/tracers/assets.go | 198 ++++++------ .../tracers/call_tracer_open_ethereum.js | 289 ++++++++++++++++++ 2 files changed, 382 insertions(+), 105 deletions(-) create mode 100644 eth/tracers/internal/tracers/call_tracer_open_ethereum.js diff --git a/eth/tracers/internal/tracers/assets.go b/eth/tracers/internal/tracers/assets.go index 432398ebb5..660ce3867e 100644 --- a/eth/tracers/internal/tracers/assets.go +++ b/eth/tracers/internal/tracers/assets.go @@ -1,21 +1,20 @@ -// Code generated by go-bindata. DO NOT EDIT. +// Package tracers Code generated by go-bindata. (@generated) DO NOT EDIT. // sources: -// 4byte_tracer.js (2.933kB) -// bigram_tracer.js (1.712kB) -// call_tracer.js (8.956kB) -// evmdis_tracer.js (4.195kB) -// noop_tracer.js (1.271kB) -// opcount_tracer.js (1.372kB) -// prestate_tracer.js (4.234kB) -// trigram_tracer.js (1.788kB) -// unigram_tracer.js (1.51kB) - +// 4byte_tracer.js +// bigram_tracer.js +// call_tracer.js +// call_tracer_open_ethereum.js +// evmdis_tracer.js +// noop_tracer.js +// opcount_tracer.js +// prestate_tracer.js +// trigram_tracer.js +// unigram_tracer.js package tracers import ( "bytes" "compress/gzip" - "crypto/sha256" "fmt" "io" "io/ioutil" @@ -46,9 +45,8 @@ func bindataRead(data []byte, name string) ([]byte, error) { } type asset struct { - bytes []byte - info os.FileInfo - digest [sha256.Size]byte + bytes []byte + info os.FileInfo } type bindataFileInfo struct { @@ -58,21 +56,32 @@ type bindataFileInfo struct { modTime time.Time } +// Name return file name func (fi bindataFileInfo) Name() string { return fi.name } + +// Size return file size func (fi bindataFileInfo) Size() int64 { return fi.size } + +// Mode return file mode func (fi bindataFileInfo) Mode() os.FileMode { return fi.mode } + +// ModTime return file modify time func (fi bindataFileInfo) ModTime() time.Time { return fi.modTime } + +// IsDir return file whether a directory func (fi bindataFileInfo) IsDir() bool { - return false + return fi.mode&os.ModeDir != 0 } + +// Sys return file is sys mode func (fi bindataFileInfo) Sys() interface{} { return nil } @@ -93,7 +102,7 @@ func _4byte_tracerJs() (*asset, error) { } info := bindataFileInfo{name: "4byte_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)} - a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xb4, 0xc5, 0x48, 0x2d, 0xd9, 0x43, 0x95, 0x93, 0x3b, 0x93, 0x2c, 0x47, 0x8c, 0x84, 0x32, 0x3c, 0x8b, 0x2e, 0xf3, 0x72, 0xc4, 0x57, 0xe6, 0x3a, 0xb3, 0xdf, 0x1d, 0xbf, 0x45, 0x3, 0xfc, 0xa}} + a := &asset{bytes: bytes, info: info} return a, nil } @@ -113,7 +122,7 @@ func bigram_tracerJs() (*asset, error) { } info := bindataFileInfo{name: "bigram_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)} - a := &asset{bytes: bytes, info: info, digest: [32]uint8{0x77, 0x6c, 0xd, 0x24, 0xf2, 0x49, 0xbd, 0x58, 0x8b, 0xb5, 0xd1, 0xc9, 0xcd, 0xcf, 0x5b, 0x3e, 0x5c, 0xfb, 0x14, 0x50, 0xe7, 0xe3, 0xb9, 0xd1, 0x54, 0x69, 0xe6, 0x5e, 0x45, 0xa6, 0x2c, 0x6c}} + a := &asset{bytes: bytes, info: info} return a, nil } @@ -133,7 +142,27 @@ func call_tracerJs() (*asset, error) { } info := bindataFileInfo{name: "call_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)} - a := &asset{bytes: bytes, info: info, digest: [32]uint8{0x46, 0x79, 0xb6, 0xbc, 0xd2, 0xc, 0x25, 0xb1, 0x22, 0x56, 0xef, 0x77, 0xb9, 0x5e, 0x2e, 0xf4, 0xda, 0xb2, 0x2f, 0x53, 0xa4, 0xff, 0xc8, 0xac, 0xbb, 0x75, 0x22, 0x46, 0x59, 0xe3, 0x1d, 0x7d}} + a := &asset{bytes: bytes, info: info} + return a, nil +} + +var _call_tracer_open_ethereumJs = 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+ +func call_tracer_open_ethereumJsBytes() ([]byte, error) { + return bindataRead( + _call_tracer_open_ethereumJs, + "call_tracer_open_ethereum.js", + ) +} + +func call_tracer_open_ethereumJs() (*asset, error) { + bytes, err := call_tracer_open_ethereumJsBytes() + if err != nil { + return nil, err + } + + info := bindataFileInfo{name: "call_tracer_open_ethereum.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)} + a := &asset{bytes: bytes, info: info} return a, nil } @@ -153,7 +182,7 @@ func evmdis_tracerJs() (*asset, error) { } info := bindataFileInfo{name: "evmdis_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)} - a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xb5, 0xc8, 0x73, 0x8e, 0xfb, 0x1f, 0x84, 0x7d, 0x37, 0xd9, 0x26, 0x24, 0x37, 0xb8, 0x65, 0xb1, 0xed, 0xa0, 0x76, 0x9a, 0xf0, 0x8e, 0x3a, 0x9b, 0x20, 0x93, 0x27, 0x26, 0x2e, 0xc9, 0x9b, 0xde}} + a := &asset{bytes: bytes, info: info} return a, nil } @@ -173,7 +202,7 @@ func noop_tracerJs() (*asset, error) { } info := bindataFileInfo{name: "noop_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)} - a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xe3, 0xf, 0x1c, 0x6f, 0x65, 0xaf, 0x90, 0x31, 0xab, 0xf, 0xe0, 0xca, 0x54, 0x7, 0xfd, 0xd3, 0xa1, 0x4a, 0x14, 0x1, 0x2a, 0x9d, 0xdc, 0xb9, 0x64, 0x69, 0x83, 0x30, 0xb1, 0x2a, 0xbd, 0xfb}} + a := &asset{bytes: bytes, info: info} return a, nil } @@ -193,11 +222,11 @@ func opcount_tracerJs() (*asset, error) { } info := bindataFileInfo{name: "opcount_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)} - a := &asset{bytes: bytes, info: info, digest: [32]uint8{0x27, 0xe, 0x97, 0x88, 0x9b, 0x53, 0xbb, 0x20, 0x44, 0xd8, 0xf5, 0xeb, 0x41, 0xd2, 0x7e, 0xd6, 0xda, 0x6b, 0xf5, 0xaf, 0x0, 0x75, 0x9f, 0xd9, 0x22, 0xc, 0x6e, 0x74, 0xac, 0x2a, 0xa9, 0xa7}} + a := &asset{bytes: bytes, info: info} return a, nil } -var _prestate_tracerJs = 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+var _prestate_tracerJs = 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func prestate_tracerJsBytes() ([]byte, error) { return bindataRead( @@ -213,7 +242,7 @@ func prestate_tracerJs() (*asset, error) { } info := bindataFileInfo{name: "prestate_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)} - a := &asset{bytes: bytes, info: info, digest: [32]uint8{0xe9, 0x79, 0x70, 0x4f, 0xc5, 0x78, 0x57, 0x63, 0x6f, 0x5, 0x31, 0xce, 0x3e, 0x5d, 0xbd, 0x71, 0x4, 0x46, 0x78, 0xcd, 0x1d, 0xcd, 0xb9, 0xd8, 0x10, 0xff, 0xe6, 0xc5, 0x59, 0xb9, 0x25, 0x6e}} + a := &asset{bytes: bytes, info: info} return a, nil } @@ -233,7 +262,7 @@ func trigram_tracerJs() (*asset, error) { } info := bindataFileInfo{name: "trigram_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)} - a := &asset{bytes: bytes, info: info, digest: [32]uint8{0x40, 0x63, 0xe1, 0x42, 0x60, 0x7, 0x1b, 0x79, 0x47, 0x1, 0xa1, 0xbf, 0xc4, 0x66, 0x19, 0x9b, 0x2b, 0x5a, 0x1f, 0x82, 0x3d, 0xcf, 0xee, 0xe7, 0x60, 0x25, 0x2c, 0x4f, 0x13, 0x97, 0xc7, 0x18}} + a := &asset{bytes: bytes, info: info} return a, nil } @@ -253,7 +282,7 @@ func unigram_tracerJs() (*asset, error) { } info := bindataFileInfo{name: "unigram_tracer.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)} - a := &asset{bytes: bytes, info: info, digest: [32]uint8{0x2f, 0x36, 0x14, 0xc2, 0xf6, 0xc3, 0x80, 0x2b, 0x4a, 0x11, 0x7d, 0xd5, 0x3e, 0xef, 0x23, 0xb5, 0xd6, 0xe6, 0xe6, 0x5, 0x41, 0xf6, 0x14, 0x7a, 0x39, 0xf7, 0xf8, 0xac, 0x89, 0x8e, 0x43, 0xe6}} + a := &asset{bytes: bytes, info: info} return a, nil } @@ -261,8 +290,8 @@ func unigram_tracerJs() (*asset, error) { // It returns an error if the asset could not be found or // could not be loaded. func Asset(name string) ([]byte, error) { - canonicalName := strings.Replace(name, "\\", "/", -1) - if f, ok := _bindata[canonicalName]; ok { + cannonicalName := strings.Replace(name, "\\", "/", -1) + if f, ok := _bindata[cannonicalName]; ok { a, err := f() if err != nil { return nil, fmt.Errorf("Asset %s can't read by error: %v", name, err) @@ -272,12 +301,6 @@ func Asset(name string) ([]byte, error) { return nil, fmt.Errorf("Asset %s not found", name) } -// AssetString returns the asset contents as a string (instead of a []byte). -func AssetString(name string) (string, error) { - data, err := Asset(name) - return string(data), err -} - // MustAsset is like Asset but panics when Asset would return an error. // It simplifies safe initialization of global variables. func MustAsset(name string) []byte { @@ -289,18 +312,12 @@ func MustAsset(name string) []byte { return a } -// MustAssetString is like AssetString but panics when Asset would return an -// error. It simplifies safe initialization of global variables. -func MustAssetString(name string) string { - return string(MustAsset(name)) -} - // AssetInfo loads and returns the asset info for the given name. // It returns an error if the asset could not be found or // could not be loaded. func AssetInfo(name string) (os.FileInfo, error) { - canonicalName := strings.Replace(name, "\\", "/", -1) - if f, ok := _bindata[canonicalName]; ok { + cannonicalName := strings.Replace(name, "\\", "/", -1) + if f, ok := _bindata[cannonicalName]; ok { a, err := f() if err != nil { return nil, fmt.Errorf("AssetInfo %s can't read by error: %v", name, err) @@ -310,33 +327,6 @@ func AssetInfo(name string) (os.FileInfo, error) { return nil, fmt.Errorf("AssetInfo %s not found", name) } -// AssetDigest returns the digest of the file with the given name. It returns an -// error if the asset could not be found or the digest could not be loaded. -func AssetDigest(name string) ([sha256.Size]byte, error) { - canonicalName := strings.Replace(name, "\\", "/", -1) - if f, ok := _bindata[canonicalName]; ok { - a, err := f() - if err != nil { - return [sha256.Size]byte{}, fmt.Errorf("AssetDigest %s can't read by error: %v", name, err) - } - return a.digest, nil - } - return [sha256.Size]byte{}, fmt.Errorf("AssetDigest %s not found", name) -} - -// Digests returns a map of all known files and their checksums. -func Digests() (map[string][sha256.Size]byte, error) { - mp := make(map[string][sha256.Size]byte, len(_bindata)) - for name := range _bindata { - a, err := _bindata[name]() - if err != nil { - return nil, err - } - mp[name] = a.digest - } - return mp, nil -} - // AssetNames returns the names of the assets. func AssetNames() []string { names := make([]string, 0, len(_bindata)) @@ -348,23 +338,16 @@ func AssetNames() []string { // _bindata is a table, holding each asset generator, mapped to its name. var _bindata = map[string]func() (*asset, error){ - "4byte_tracer.js": _4byte_tracerJs, - - "bigram_tracer.js": bigram_tracerJs, - - "call_tracer.js": call_tracerJs, - - "evmdis_tracer.js": evmdis_tracerJs, - - "noop_tracer.js": noop_tracerJs, - - "opcount_tracer.js": opcount_tracerJs, - - "prestate_tracer.js": prestate_tracerJs, - - "trigram_tracer.js": trigram_tracerJs, - - "unigram_tracer.js": unigram_tracerJs, + "4byte_tracer.js": _4byte_tracerJs, + "bigram_tracer.js": bigram_tracerJs, + "call_tracer.js": call_tracerJs, + "call_tracer_open_ethereum.js": call_tracer_open_ethereumJs, + "evmdis_tracer.js": evmdis_tracerJs, + "noop_tracer.js": noop_tracerJs, + "opcount_tracer.js": opcount_tracerJs, + "prestate_tracer.js": prestate_tracerJs, + "trigram_tracer.js": trigram_tracerJs, + "unigram_tracer.js": unigram_tracerJs, } // AssetDir returns the file names below a certain @@ -376,15 +359,15 @@ var _bindata = map[string]func() (*asset, error){ // img/ // a.png // b.png -// then AssetDir("data") would return []string{"foo.txt", "img"}, -// AssetDir("data/img") would return []string{"a.png", "b.png"}, -// AssetDir("foo.txt") and AssetDir("notexist") would return an error, and +// then AssetDir("data") would return []string{"foo.txt", "img"} +// AssetDir("data/img") would return []string{"a.png", "b.png"} +// AssetDir("foo.txt") and AssetDir("notexist") would return an error // AssetDir("") will return []string{"data"}. func AssetDir(name string) ([]string, error) { node := _bintree if len(name) != 0 { - canonicalName := strings.Replace(name, "\\", "/", -1) - pathList := strings.Split(canonicalName, "/") + cannonicalName := strings.Replace(name, "\\", "/", -1) + pathList := strings.Split(cannonicalName, "/") for _, p := range pathList { node = node.Children[p] if node == nil { @@ -408,18 +391,19 @@ type bintree struct { } var _bintree = &bintree{nil, map[string]*bintree{ - "4byte_tracer.js": {_4byte_tracerJs, map[string]*bintree{}}, - "bigram_tracer.js": {bigram_tracerJs, map[string]*bintree{}}, - "call_tracer.js": {call_tracerJs, map[string]*bintree{}}, - "evmdis_tracer.js": {evmdis_tracerJs, map[string]*bintree{}}, - "noop_tracer.js": {noop_tracerJs, map[string]*bintree{}}, - "opcount_tracer.js": {opcount_tracerJs, map[string]*bintree{}}, - "prestate_tracer.js": {prestate_tracerJs, map[string]*bintree{}}, - "trigram_tracer.js": {trigram_tracerJs, map[string]*bintree{}}, - "unigram_tracer.js": {unigram_tracerJs, map[string]*bintree{}}, + "4byte_tracer.js": {_4byte_tracerJs, map[string]*bintree{}}, + "bigram_tracer.js": {bigram_tracerJs, map[string]*bintree{}}, + "call_tracer.js": {call_tracerJs, map[string]*bintree{}}, + "call_tracer_open_ethereum.js": {call_tracer_open_ethereumJs, map[string]*bintree{}}, + "evmdis_tracer.js": {evmdis_tracerJs, map[string]*bintree{}}, + "noop_tracer.js": {noop_tracerJs, map[string]*bintree{}}, + "opcount_tracer.js": {opcount_tracerJs, map[string]*bintree{}}, + "prestate_tracer.js": {prestate_tracerJs, map[string]*bintree{}}, + "trigram_tracer.js": {trigram_tracerJs, map[string]*bintree{}}, + "unigram_tracer.js": {unigram_tracerJs, map[string]*bintree{}}, }} -// RestoreAsset restores an asset under the given directory. +// RestoreAsset restores an asset under the given directory func RestoreAsset(dir, name string) error { data, err := Asset(name) if err != nil { @@ -437,10 +421,14 @@ func RestoreAsset(dir, name string) error { if err != nil { return err } - return os.Chtimes(_filePath(dir, name), info.ModTime(), info.ModTime()) + err = os.Chtimes(_filePath(dir, name), info.ModTime(), info.ModTime()) + if err != nil { + return err + } + return nil } -// RestoreAssets restores an asset under the given directory recursively. +// RestoreAssets restores an asset under the given directory recursively func RestoreAssets(dir, name string) error { children, err := AssetDir(name) // File @@ -458,6 +446,6 @@ func RestoreAssets(dir, name string) error { } func _filePath(dir, name string) string { - canonicalName := strings.Replace(name, "\\", "/", -1) - return filepath.Join(append([]string{dir}, strings.Split(canonicalName, "/")...)...) + cannonicalName := strings.Replace(name, "\\", "/", -1) + return filepath.Join(append([]string{dir}, strings.Split(cannonicalName, "/")...)...) } diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js new file mode 100644 index 0000000000..8339452852 --- /dev/null +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -0,0 +1,289 @@ +// Copyright 2017 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +// callTracer is a full blown transaction tracer that extracts and reports all +// the internal calls made by a transaction, along with any useful information. +{ + // callstack is the current recursive call stack of the EVM execution. + callstack: [{}], + + // descended tracks whether we've just descended from an outer transaction into + // an inner call. + descended: false, + + // step is invoked for every opcode that the VM executes. + step: function(log, db) { + // Capture any errors immediately + var error = log.getError(); + if (error !== undefined) { + this.fault(log, db); + return; + } + // We only care about system opcodes, faster if we pre-check once + var syscall = (log.op.toNumber() & 0xf0) == 0xf0; + if (syscall) { + var op = log.op.toString(); + } + // If a new contract is being created, add to the call stack + if (syscall && (op == 'CREATE' || op == "CREATE2")) { + var inOff = log.stack.peek(1).valueOf(); + var inEnd = inOff + log.stack.peek(2).valueOf(); + + // Assemble the internal call report and store for completion + var call = { + type: op, + from: toHex(log.contract.getAddress()), + input: toHex(log.memory.slice(inOff, inEnd)), + gasIn: log.getGas(), + gasCost: log.getCost(), + value: '0x' + log.stack.peek(0).toString(16) + }; + this.callstack.push(call); + this.descended = true + return; + } + // If a contract is being self destructed, gather that as a subcall too + if (syscall && op == 'SELFDESTRUCT') { + var left = this.callstack.length; + if (this.callstack[left-1].calls === undefined) { + this.callstack[left-1].calls = []; + } + this.callstack[left-1].calls.push({type: op}); + return + } + // If a new method invocation is being done, add to the call stack + if (syscall && (op == 'CALL' || op == 'CALLCODE' || op == 'DELEGATECALL' || op == 'STATICCALL')) { + // Skip any pre-compile invocations, those are just fancy opcodes + var to = toAddress(log.stack.peek(1).toString(16)); + if (isPrecompiled(to)) { + return + } + var off = (op == 'DELEGATECALL' || op == 'STATICCALL' ? 0 : 1); + + for (i=0; i < 10; i++){ + } + var inOff = log.stack.peek(2 + off).valueOf(); + var inEnd = inOff + log.stack.peek(3 + off).valueOf(); + + // Assemble the internal call report and store for completion + var call = { + type: op, + from: toHex(log.contract.getAddress()), + to: toHex(to), + input: toHex(log.memory.slice(inOff, inEnd)), + gasIn: log.getGas(), + gasCost: log.getCost(), + outOff: log.stack.peek(4 + off).valueOf(), + outLen: log.stack.peek(5 + off).valueOf() + }; + + if (op != 'DELEGATECALL' && op != 'STATICCALL') { + call.value = '0x' + log.stack.peek(2).toString(16); + } + this.callstack.push(call); + this.descended = true + return; + } + // If we've just descended into an inner call, retrieve it's true allowance. We + // need to extract if from within the call as there may be funky gas dynamics + // with regard to requested and actually given gas (2300 stipend, 63/64 rule). + if (this.descended) { + if (log.getDepth() >= this.callstack.length) { + this.callstack[this.callstack.length - 1].gas = log.getGas(); + } else { + // TODO(karalabe): The call was made to a plain account. We currently don't + // have access to the true gas amount inside the call and so any amount will + // mostly be wrong since it depends on a lot of input args. Skip gas for now. + } + this.descended = false; + } + // If an existing call is returning, pop off the call stack + if (syscall && op == 'REVERT') { + this.callstack[this.callstack.length - 1].error = "execution reverted"; + return; + } + if (log.getDepth() == this.callstack.length - 1) { + // Pop off the last call and get the execution results + var call = this.callstack.pop(); + + if (call.type == 'CREATE' || call.type == "CREATE2") { + // If the call was a CREATE, retrieve the contract address and output code + call.gasUsed = '0x' + bigInt(call.gasIn - call.gasCost - log.getGas()).toString(16); + delete call.gasIn; delete call.gasCost; + + var ret = log.stack.peek(0); + if (!ret.equals(0)) { + call.to = toHex(toAddress(ret.toString(16))); + call.output = toHex(db.getCode(toAddress(ret.toString(16)))); + } else if (call.error === undefined) { + call.error = "internal failure"; // TODO(karalabe): surface these faults somehow + } + } else { + // If the call was a contract call, retrieve the gas usage and output + if (call.gas !== undefined) { + call.gasUsed = '0x' + bigInt(call.gasIn - call.gasCost + call.gas - log.getGas()).toString(16); + } + var ret = log.stack.peek(0); + if (!ret.equals(0)) { + call.output = toHex(log.memory.slice(call.outOff, call.outOff + call.outLen)); + } else if (call.error === undefined) { + call.error = "internal failure"; // TODO(karalabe): surface these faults somehow + } + delete call.gasIn; delete call.gasCost; + delete call.outOff; delete call.outLen; + } + if (call.gas !== undefined) { + call.gas = '0x' + bigInt(call.gas).toString(16); + } + // Inject the call into the previous one + var left = this.callstack.length; + if (this.callstack[left-1].calls === undefined) { + this.callstack[left-1].calls = []; + } + this.callstack[left-1].calls.push(call); + } + }, + + // fault is invoked when the actual execution of an opcode fails. + fault: function(log, db) { + // If the topmost call already reverted, don't handle the additional fault again + if (this.callstack[this.callstack.length - 1].error !== undefined) { + return; + } + // Pop off the just failed call + var call = this.callstack.pop(); + call.error = log.getError(); + + // Consume all available gas and clean any leftovers + if (call.gas !== undefined) { + call.gas = '0x' + bigInt(call.gas).toString(16); + call.gasUsed = call.gas + } + delete call.gasIn; delete call.gasCost; + delete call.outOff; delete call.outLen; + + // Flatten the failed call into its parent + var left = this.callstack.length; + if (left > 0) { + if (this.callstack[left-1].calls === undefined) { + this.callstack[left-1].calls = []; + } + this.callstack[left-1].calls.push(call); + return; + } + // Last call failed too, leave it in the stack + this.callstack.push(call); + }, + + // result is invoked when all the opcodes have been iterated over and returns + // the final result of the tracing. + result: function(ctx, db) { + var result = { + block: ctx.block, + type: ctx.type, + from: toHex(ctx.from), + to: toHex(ctx.to), + value: '0x' + ctx.value.toString(16), + gas: '0x' + bigInt(ctx.gas).toString(16), + gasUsed: '0x' + bigInt(ctx.gasUsed).toString(16), + input: toHex(ctx.input), + output: toHex(ctx.output), + time: ctx.time, + }; + if (this.callstack[0].calls !== undefined) { + result.calls = this.callstack[0].calls; + } + if (this.callstack[0].error !== undefined) { + result.error = this.callstack[0].error; + } else if (ctx.error !== undefined) { + result.error = ctx.error; + } + if (result.error !== undefined && (result.error !== "execution reverted" || result.output ==="0x")) { + delete result.output; + } + return this.finalize(result); + }, + + // finalize recreates a call object using the final desired field order for json + // serialization. This is a nicety feature to pass meaningfully ordered results + // to users who don't interpret it, just display it. + finalize: function(call, traceAddress) { + var type = call.type; + var is_create = type == 'CREATE' || type == "CREATE2"; + + traceAddress = traceAddress || []; + var sorted = { + blockNumber: call.block, + + gasIn:call.gasIn, + gasCost:call.gasCost, + outOff:call.outOff, + outLen:call.outLen, + + type: type.toLowerCase(), + action: { + from: call.from, + to: !is_create ? call.to : undefined, + value: call.value, + gas: call.gas, + input: !is_create ? call.input : undefined, + callType: !is_create ? type.toLowerCase() : undefined, + + init: is_create ? call.input : undefined, + creationMethod: is_create ? type.toLowerCase() : undefined, + }, + result : { + gasUsed: call.gasUsed, + output: !is_create ? call.output : undefined, + + address: is_create ? call.to : undefined, + code : is_create ? call.output : undefined, + }, + error: call.error, + + subtraces: 0, + traceAddress: traceAddress, + + time: call.time, + } + + for (var key in sorted) { + if (sorted[key] === 'object') { + for (var nested_key in sorted[key]) { + if (sorted[key][nested_key] === undefined) { + delete sorted[key][nested_key]; + } + } + } else if (sorted[key] === undefined) { + delete sorted[key]; + } + } + + var calls = call.calls; + if (calls !== undefined) { + sorted['subtraces'] = calls.length; + } + + var results = [sorted]; + + if (calls !== undefined) { + for (var i=0; i Date: Fri, 2 Oct 2020 18:14:58 +0300 Subject: [PATCH 02/74] tracer: Expose trace_traceTransaction API (draft, might change) --- eth/api.go | 12 +++++ eth/api_tracer.go | 89 ++++++++++++++++++++++++++----------- eth/backend.go | 4 ++ internal/web3ext/web3ext.go | 16 +++++++ 4 files changed, 96 insertions(+), 25 deletions(-) diff --git a/eth/api.go b/eth/api.go index bb0038cade..f91932cdd4 100644 --- a/eth/api.go +++ b/eth/api.go @@ -542,3 +542,15 @@ func (api *PrivateDebugAPI) getModifiedAccounts(startBlock, endBlock *types.Bloc } return dirty, nil } + +// PrivateTraceAPI is the collection of Ethereum full node APIs exposed over +// the private debugging endpoint. +type PrivateTraceAPI struct { + eth *Ethereum +} + +// NewPrivateTraceAPI creates a new API definition for the full node-related +// private debug methods of the Ethereum service. +func NewPrivateTraceAPI(eth *Ethereum) *PrivateTraceAPI { + return &PrivateTraceAPI{eth: eth} +} diff --git a/eth/api_tracer.go b/eth/api_tracer.go index cc0a7b93f2..ce333b779f 100644 --- a/eth/api_tracer.go +++ b/eth/api_tracer.go @@ -99,6 +99,17 @@ type txTraceTask struct { index int // Transaction offset in the block } +// setConfigTracerToOpenEthereum forces the Tracer to the OpenEthereum one +func setConfigTracerToOpenEthereum(config *TraceConfig) *TraceConfig { + if config == nil { + config = &TraceConfig{} + } + + tracer := "callTracerOpenEthereum" + config.Tracer = &tracer + return config +} + // TraceChain returns the structured logs created during the execution of EVM // between two blocks (excluding start) and returns them as a JSON object. func (api *PrivateDebugAPI) TraceChain(ctx context.Context, start, end rpc.BlockNumber, config *TraceConfig) (*rpc.Subscription, error) { @@ -208,7 +219,7 @@ func (api *PrivateDebugAPI) traceChain(ctx context.Context, start, end *types.Bl msg, _ := tx.AsMessage(signer) vmctx := core.NewEVMContext(msg, task.block.Header(), api.eth.blockchain, nil) - res, err := api.traceTx(ctx, msg, vmctx, task.statedb, config) + res, err := traceTx(ctx, api.eth, msg, vmctx, task.statedb, config) if err != nil { task.results[i] = &txTraceResult{Error: err.Error()} log.Warn("Tracing failed", "hash", tx.Hash(), "block", task.block.NumberU64(), "err", err) @@ -454,7 +465,7 @@ func (api *PrivateDebugAPI) traceBlock(ctx context.Context, block *types.Block, if config != nil && config.Reexec != nil { reexec = *config.Reexec } - statedb, err := api.computeStateDB(parent, reexec) + statedb, err := computeStateDB(api.eth, parent, reexec) if err != nil { return nil, err } @@ -482,7 +493,7 @@ func (api *PrivateDebugAPI) traceBlock(ctx context.Context, block *types.Block, msg, _ := txs[task.index].AsMessage(signer) vmctx := core.NewEVMContext(msg, block.Header(), api.eth.blockchain, nil) - res, err := api.traceTx(ctx, msg, vmctx, task.statedb, config) + res, err := traceTx(ctx, api.eth, msg, vmctx, task.statedb, config) if err != nil { results[task.index] = &txTraceResult{Error: err.Error()} continue @@ -542,7 +553,7 @@ func (api *PrivateDebugAPI) standardTraceBlockToFile(ctx context.Context, block if config != nil && config.Reexec != nil { reexec = *config.Reexec } - statedb, err := api.computeStateDB(parent, reexec) + statedb, err := computeStateDB(api.eth, parent, reexec) if err != nil { return nil, err } @@ -633,18 +644,18 @@ func containsTx(block *types.Block, hash common.Hash) bool { // computeStateDB retrieves the state database associated with a certain block. // If no state is locally available for the given block, a number of blocks are // attempted to be reexecuted to generate the desired state. -func (api *PrivateDebugAPI) computeStateDB(block *types.Block, reexec uint64) (*state.StateDB, error) { +func computeStateDB(eth *Ethereum, block *types.Block, reexec uint64) (*state.StateDB, error) { // If we have the state fully available, use that - statedb, err := api.eth.blockchain.StateAt(block.Root()) + statedb, err := eth.blockchain.StateAt(block.Root()) if err == nil { return statedb, nil } // Otherwise try to reexec blocks until we find a state or reach our limit origin := block.NumberU64() - database := state.NewDatabaseWithCache(api.eth.ChainDb(), 16, "") + database := state.NewDatabaseWithCache(eth.ChainDb(), 16, "") for i := uint64(0); i < reexec; i++ { - block = api.eth.blockchain.GetBlock(block.ParentHash(), block.NumberU64()-1) + block = eth.blockchain.GetBlock(block.ParentHash(), block.NumberU64()-1) if block == nil { break } @@ -673,15 +684,15 @@ func (api *PrivateDebugAPI) computeStateDB(block *types.Block, reexec uint64) (* logged = time.Now() } // Retrieve the next block to regenerate and process it - if block = api.eth.blockchain.GetBlockByNumber(block.NumberU64() + 1); block == nil { + if block = eth.blockchain.GetBlockByNumber(block.NumberU64() + 1); block == nil { return nil, fmt.Errorf("block #%d not found", block.NumberU64()+1) } - _, _, _, err := api.eth.blockchain.Processor().Process(block, statedb, vm.Config{}) + _, _, _, err := eth.blockchain.Processor().Process(block, statedb, vm.Config{}) if err != nil { return nil, fmt.Errorf("processing block %d failed: %v", block.NumberU64(), err) } // Finalize the state so any modifications are written to the trie - root, err := statedb.Commit(api.eth.blockchain.Config().IsEnabled(api.eth.blockchain.Config().GetEIP161dTransition, block.Number())) + root, err := statedb.Commit(eth.blockchain.Config().IsEnabled(eth.blockchain.Config().GetEIP161dTransition, block.Number())) if err != nil { return nil, err } @@ -699,11 +710,15 @@ func (api *PrivateDebugAPI) computeStateDB(block *types.Block, reexec uint64) (* return statedb, nil } -// TraceTransaction returns the structured logs created during the execution of EVM +func (api *PrivateDebugAPI) computeStateDB(block *types.Block, reexec uint64) (*state.StateDB, error) { + return computeStateDB(api.eth, block, reexec) +} + +// traceTransaction returns the structured logs created during the execution of EVM // and returns them as a JSON object. -func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, hash common.Hash, config *TraceConfig) (interface{}, error) { +func traceTransaction(ctx context.Context, eth *Ethereum, hash common.Hash, config *TraceConfig) (interface{}, error) { // Retrieve the transaction and assemble its EVM context - tx, blockHash, _, index := rawdb.ReadTransaction(api.eth.ChainDb(), hash) + tx, blockHash, _, index := rawdb.ReadTransaction(eth.ChainDb(), hash) if tx == nil { return nil, fmt.Errorf("transaction %#x not found", hash) } @@ -712,16 +727,29 @@ func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, hash common.Ha reexec = *config.Reexec } // Retrieve the block - block := api.eth.blockchain.GetBlockByHash(blockHash) + block := eth.blockchain.GetBlockByHash(blockHash) if block == nil { return nil, fmt.Errorf("block %#x not found", blockHash) } - msg, vmctx, statedb, err := api.computeTxEnv(block, int(index), reexec) + msg, vmctx, statedb, err := computeTxEnv(eth, block, int(index), reexec) if err != nil { return nil, err } // Trace the transaction and return - return api.traceTx(ctx, msg, vmctx, statedb, config) + return traceTx(ctx, eth, msg, vmctx, statedb, config) +} + +// TraceTransaction returns the structured logs created during the execution of EVM +// and returns them as a JSON object. +func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, hash common.Hash, config *TraceConfig) (interface{}, error) { + return traceTransaction(ctx, api.eth, hash, config) +} + +// TraceTransaction returns the structured logs created during the execution of EVM +// and returns them as a JSON object. +func (api *PrivateTraceAPI) TraceTransaction(ctx context.Context, hash common.Hash, config *TraceConfig) (interface{}, error) { + config = setConfigTracerToOpenEthereum(config) + return traceTransaction(ctx, api.eth, hash, config) } // TraceCall lets you trace a given eth_call. It collects the structured logs created during the execution of EVM @@ -761,7 +789,7 @@ func (api *PrivateDebugAPI) TraceCall(ctx context.Context, args ethapi.CallArgs, // traceTx configures a new tracer according to the provided configuration, and // executes the given message in the provided environment. The return value will // be tracer dependent. -func (api *PrivateDebugAPI) traceTx(ctx context.Context, message core.Message, vmctx vm.Context, statedb *state.StateDB, config *TraceConfig) (interface{}, error) { +func traceTx(ctx context.Context, eth *Ethereum, message core.Message, vmctx vm.Context, statedb *state.StateDB, config *TraceConfig) (interface{}, error) { // Assemble the structured logger or the JavaScript tracer var ( tracer vm.Tracer @@ -795,7 +823,7 @@ func (api *PrivateDebugAPI) traceTx(ctx context.Context, message core.Message, v tracer = vm.NewStructLogger(config.LogConfig) } // Run the transaction with tracing enabled. - vmenv := vm.NewEVM(vmctx, statedb, api.eth.blockchain.Config(), vm.Config{Debug: true, Tracer: tracer}) + vmenv := vm.NewEVM(vmctx, statedb, eth.blockchain.Config(), vm.Config{Debug: true, Tracer: tracer}) result, err := core.ApplyMessage(vmenv, message, new(core.GasPool).AddGas(message.Gas())) if err != nil { @@ -824,14 +852,21 @@ func (api *PrivateDebugAPI) traceTx(ctx context.Context, message core.Message, v } } +// traceTx configures a new tracer according to the provided configuration, and +// executes the given message in the provided environment. The return value will +// be tracer dependent. +func (api *PrivateDebugAPI) traceTx(ctx context.Context, message core.Message, vmctx vm.Context, statedb *state.StateDB, config *TraceConfig) (interface{}, error) { + return traceTx(ctx, api.eth, message, vmctx, statedb, config) +} + // computeTxEnv returns the execution environment of a certain transaction. -func (api *PrivateDebugAPI) computeTxEnv(block *types.Block, txIndex int, reexec uint64) (core.Message, vm.Context, *state.StateDB, error) { +func computeTxEnv(eth *Ethereum, block *types.Block, txIndex int, reexec uint64) (core.Message, vm.Context, *state.StateDB, error) { // Create the parent state database - parent := api.eth.blockchain.GetBlock(block.ParentHash(), block.NumberU64()-1) + parent := eth.blockchain.GetBlock(block.ParentHash(), block.NumberU64()-1) if parent == nil { return nil, vm.Context{}, nil, fmt.Errorf("parent %#x not found", block.ParentHash()) } - statedb, err := api.computeStateDB(parent, reexec) + statedb, err := computeStateDB(eth, parent, reexec) if err != nil { return nil, vm.Context{}, nil, err } @@ -841,17 +876,17 @@ func (api *PrivateDebugAPI) computeTxEnv(block *types.Block, txIndex int, reexec } // Recompute transactions up to the target index. - signer := types.MakeSigner(api.eth.blockchain.Config(), block.Number()) + signer := types.MakeSigner(eth.blockchain.Config(), block.Number()) for idx, tx := range block.Transactions() { // Assemble the transaction call message and return if the requested offset msg, _ := tx.AsMessage(signer) - context := core.NewEVMContext(msg, block.Header(), api.eth.blockchain, nil) + context := core.NewEVMContext(msg, block.Header(), eth.blockchain, nil) if idx == txIndex { return msg, context, statedb, nil } // Not yet the searched for transaction, execute on top of the current state - vmenv := vm.NewEVM(context, statedb, api.eth.blockchain.Config(), vm.Config{}) + vmenv := vm.NewEVM(context, statedb, eth.blockchain.Config(), vm.Config{}) if _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(tx.Gas())); err != nil { return nil, vm.Context{}, nil, fmt.Errorf("transaction %#x failed: %v", tx.Hash(), err) } @@ -861,3 +896,7 @@ func (api *PrivateDebugAPI) computeTxEnv(block *types.Block, txIndex int, reexec } return nil, vm.Context{}, nil, fmt.Errorf("transaction index %d out of range for block %#x", txIndex, block.Hash()) } + +func (api *PrivateDebugAPI) computeTxEnv(block *types.Block, txIndex int, reexec uint64) (core.Message, vm.Context, *state.StateDB, error) { + return computeTxEnv(api.eth, block, txIndex, reexec) +} diff --git a/eth/backend.go b/eth/backend.go index 250091baf5..f253c3aad6 100644 --- a/eth/backend.go +++ b/eth/backend.go @@ -341,6 +341,10 @@ func (s *Ethereum) APIs() []rpc.API { Namespace: "debug", Version: "1.0", Service: NewPrivateDebugAPI(s), + }, { + Namespace: "trace", + Version: "1.0", + Service: NewPrivateTraceAPI(s), }, { Namespace: "net", Version: "1.0", diff --git a/internal/web3ext/web3ext.go b/internal/web3ext/web3ext.go index fc48f6dca9..23d04f3e6d 100644 --- a/internal/web3ext/web3ext.go +++ b/internal/web3ext/web3ext.go @@ -31,6 +31,7 @@ var Modules = map[string]string{ "rpc": RpcJs, "shh": ShhJs, "swarmfs": SwarmfsJs, + "trace": TraceJs, "txpool": TxpoolJs, "les": LESJs, "lespay": LESPayJs, @@ -760,6 +761,21 @@ web3._extend({ }); ` +const TraceJs = ` +web3._extend({ + property: 'trace', + methods: [ + new web3._extend.Method({ + name: 'traceTransaction', + call: 'trace_traceTransaction', + params: 2, + inputFormatter: [null, null] + }), + ], + properties: [] +}); +` + const TxpoolJs = ` web3._extend({ property: 'txpool', From 5752398041241fdfd721c140a02f38502b06f797 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Sat, 3 Oct 2020 00:29:25 +0300 Subject: [PATCH 03/74] tracer: Add `trace_traceBlock*` methods --- eth/api_tracer.go | 64 +++++++++++++++++++++++++++---------- internal/web3ext/web3ext.go | 12 +++++++ 2 files changed, 59 insertions(+), 17 deletions(-) diff --git a/eth/api_tracer.go b/eth/api_tracer.go index ce333b779f..c197f1c7d8 100644 --- a/eth/api_tracer.go +++ b/eth/api_tracer.go @@ -363,23 +363,36 @@ func (api *PrivateDebugAPI) traceChain(ctx context.Context, start, end *types.Bl // TraceBlockByNumber returns the structured logs created during the execution of // EVM and returns them as a JSON object. -func (api *PrivateDebugAPI) TraceBlockByNumber(ctx context.Context, number rpc.BlockNumber, config *TraceConfig) ([]*txTraceResult, error) { +func traceBlockByNumber(ctx context.Context, eth *Ethereum, number rpc.BlockNumber, config *TraceConfig) ([]*txTraceResult, error) { // Fetch the block that we want to trace var block *types.Block switch number { case rpc.PendingBlockNumber: - block = api.eth.miner.PendingBlock() + block = eth.miner.PendingBlock() case rpc.LatestBlockNumber: - block = api.eth.blockchain.CurrentBlock() + block = eth.blockchain.CurrentBlock() default: - block = api.eth.blockchain.GetBlockByNumber(uint64(number)) + block = eth.blockchain.GetBlockByNumber(uint64(number)) } // Trace the block if it was found if block == nil { return nil, fmt.Errorf("block #%d not found", number) } - return api.traceBlock(ctx, block, config) + return traceBlock(ctx, eth, block, config) +} + +// TraceBlockByNumber returns the structured logs created during the execution of +// EVM and returns them as a JSON object. +func (api *PrivateDebugAPI) TraceBlockByNumber(ctx context.Context, number rpc.BlockNumber, config *TraceConfig) ([]*txTraceResult, error) { + return traceBlockByNumber(ctx, api.eth, number, config) +} + +// TraceBlockByNumber returns the structured logs created during the execution of +// EVM and returns them as a JSON object. +func (api *PrivateTraceAPI) TraceBlockByNumber(ctx context.Context, number rpc.BlockNumber, config *TraceConfig) ([]*txTraceResult, error) { + config = setConfigTracerToOpenEthereum(config) + return traceBlockByNumber(ctx, api.eth, number, config) } // TraceBlockByHash returns the structured logs created during the execution of @@ -392,14 +405,27 @@ func (api *PrivateDebugAPI) TraceBlockByHash(ctx context.Context, hash common.Ha return api.traceBlock(ctx, block, config) } -// TraceBlock returns the structured logs created during the execution of EVM +// traceBlockRLP returns the structured logs created during the execution of EVM // and returns them as a JSON object. -func (api *PrivateDebugAPI) TraceBlock(ctx context.Context, blob []byte, config *TraceConfig) ([]*txTraceResult, error) { +func traceBlockRLP(ctx context.Context, eth *Ethereum, blob []byte, config *TraceConfig) ([]*txTraceResult, error) { block := new(types.Block) if err := rlp.Decode(bytes.NewReader(blob), block); err != nil { return nil, fmt.Errorf("could not decode block: %v", err) } - return api.traceBlock(ctx, block, config) + return traceBlock(ctx, eth, block, config) +} + +// TraceBlock returns the structured logs created during the execution of EVM +// and returns them as a JSON object. +func (api *PrivateDebugAPI) TraceBlock(ctx context.Context, blob []byte, config *TraceConfig) ([]*txTraceResult, error) { + return traceBlockRLP(ctx, api.eth, blob, config) +} + +// TraceBlock returns the structured logs created during the execution of EVM +// and returns them as a JSON object. +func (api *PrivateTraceAPI) TraceBlock(ctx context.Context, blob []byte, config *TraceConfig) ([]*txTraceResult, error) { + config = setConfigTracerToOpenEthereum(config) + return traceBlockRLP(ctx, api.eth, blob, config) } // TraceBlockFromFile returns the structured logs created during the execution of @@ -452,12 +478,12 @@ func (api *PrivateDebugAPI) StandardTraceBadBlockToFile(ctx context.Context, has // traceBlock configures a new tracer according to the provided configuration, and // executes all the transactions contained within. The return value will be one item // per transaction, dependent on the requestd tracer. -func (api *PrivateDebugAPI) traceBlock(ctx context.Context, block *types.Block, config *TraceConfig) ([]*txTraceResult, error) { +func traceBlock(ctx context.Context, eth *Ethereum, block *types.Block, config *TraceConfig) ([]*txTraceResult, error) { // Create the parent state database - if err := api.eth.engine.VerifyHeader(api.eth.blockchain, block.Header(), true); err != nil { + if err := eth.engine.VerifyHeader(eth.blockchain, block.Header(), true); err != nil { return nil, err } - parent := api.eth.blockchain.GetBlock(block.ParentHash(), block.NumberU64()-1) + parent := eth.blockchain.GetBlock(block.ParentHash(), block.NumberU64()-1) if parent == nil { return nil, fmt.Errorf("parent %#x not found", block.ParentHash()) } @@ -465,13 +491,13 @@ func (api *PrivateDebugAPI) traceBlock(ctx context.Context, block *types.Block, if config != nil && config.Reexec != nil { reexec = *config.Reexec } - statedb, err := computeStateDB(api.eth, parent, reexec) + statedb, err := computeStateDB(eth, parent, reexec) if err != nil { return nil, err } // Execute all the transaction contained within the block concurrently var ( - signer = types.MakeSigner(api.eth.blockchain.Config(), block.Number()) + signer = types.MakeSigner(eth.blockchain.Config(), block.Number()) txs = block.Transactions() results = make([]*txTraceResult, len(txs)) @@ -491,9 +517,9 @@ func (api *PrivateDebugAPI) traceBlock(ctx context.Context, block *types.Block, // Fetch and execute the next transaction trace tasks for task := range jobs { msg, _ := txs[task.index].AsMessage(signer) - vmctx := core.NewEVMContext(msg, block.Header(), api.eth.blockchain, nil) + vmctx := core.NewEVMContext(msg, block.Header(), eth.blockchain, nil) - res, err := traceTx(ctx, api.eth, msg, vmctx, task.statedb, config) + res, err := traceTx(ctx, eth, msg, vmctx, task.statedb, config) if err != nil { results[task.index] = &txTraceResult{Error: err.Error()} continue @@ -510,9 +536,9 @@ func (api *PrivateDebugAPI) traceBlock(ctx context.Context, block *types.Block, // Generate the next state snapshot fast without tracing msg, _ := tx.AsMessage(signer) - vmctx := core.NewEVMContext(msg, block.Header(), api.eth.blockchain, nil) + vmctx := core.NewEVMContext(msg, block.Header(), eth.blockchain, nil) - vmenv := vm.NewEVM(vmctx, statedb, api.eth.blockchain.Config(), vm.Config{}) + vmenv := vm.NewEVM(vmctx, statedb, eth.blockchain.Config(), vm.Config{}) if _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(msg.Gas())); err != nil { failed = err break @@ -531,6 +557,10 @@ func (api *PrivateDebugAPI) traceBlock(ctx context.Context, block *types.Block, return results, nil } +func (api *PrivateDebugAPI) traceBlock(ctx context.Context, block *types.Block, config *TraceConfig) ([]*txTraceResult, error) { + return traceBlock(ctx, api.eth, block, config) +} + // standardTraceBlockToFile configures a new tracer which uses standard JSON output, // and traces either a full block or an individual transaction. The return value will // be one filename per transaction traced. diff --git a/internal/web3ext/web3ext.go b/internal/web3ext/web3ext.go index 23d04f3e6d..44165e6d89 100644 --- a/internal/web3ext/web3ext.go +++ b/internal/web3ext/web3ext.go @@ -765,6 +765,18 @@ const TraceJs = ` web3._extend({ property: 'trace', methods: [ + new web3._extend.Method({ + name: 'traceBlockByNumber', + call: 'trace_traceBlockByNumber', + params: 2, + inputFormatter: [null, null] + }), + new web3._extend.Method({ + name: 'traceBlock', + call: 'trace_traceBlock', + params: 2, + inputFormatter: [null, null] + }), new web3._extend.Method({ name: 'traceTransaction', call: 'trace_traceTransaction', From c2b07179bb23c510f9035b8d622f51d8c3953029 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Tue, 6 Oct 2020 00:29:28 +0300 Subject: [PATCH 04/74] Rename TraceBlockByNumber to TraceBlock for compatibility with OpenEthereum --- eth/api_tracer.go | 12 +++--------- internal/web3ext/web3ext.go | 6 ------ 2 files changed, 3 insertions(+), 15 deletions(-) diff --git a/eth/api_tracer.go b/eth/api_tracer.go index c197f1c7d8..64a79d6732 100644 --- a/eth/api_tracer.go +++ b/eth/api_tracer.go @@ -388,9 +388,10 @@ func (api *PrivateDebugAPI) TraceBlockByNumber(ctx context.Context, number rpc.B return traceBlockByNumber(ctx, api.eth, number, config) } -// TraceBlockByNumber returns the structured logs created during the execution of +// TraceBlock returns the structured logs created during the execution of // EVM and returns them as a JSON object. -func (api *PrivateTraceAPI) TraceBlockByNumber(ctx context.Context, number rpc.BlockNumber, config *TraceConfig) ([]*txTraceResult, error) { +// The correct name will be TraceBlockByNumber, though we want to be compatible with OpenEthereum trace module. +func (api *PrivateTraceAPI) TraceBlock(ctx context.Context, number rpc.BlockNumber, config *TraceConfig) ([]*txTraceResult, error) { config = setConfigTracerToOpenEthereum(config) return traceBlockByNumber(ctx, api.eth, number, config) } @@ -421,13 +422,6 @@ func (api *PrivateDebugAPI) TraceBlock(ctx context.Context, blob []byte, config return traceBlockRLP(ctx, api.eth, blob, config) } -// TraceBlock returns the structured logs created during the execution of EVM -// and returns them as a JSON object. -func (api *PrivateTraceAPI) TraceBlock(ctx context.Context, blob []byte, config *TraceConfig) ([]*txTraceResult, error) { - config = setConfigTracerToOpenEthereum(config) - return traceBlockRLP(ctx, api.eth, blob, config) -} - // TraceBlockFromFile returns the structured logs created during the execution of // EVM and returns them as a JSON object. func (api *PrivateDebugAPI) TraceBlockFromFile(ctx context.Context, file string, config *TraceConfig) ([]*txTraceResult, error) { diff --git a/internal/web3ext/web3ext.go b/internal/web3ext/web3ext.go index 44165e6d89..fa5712562d 100644 --- a/internal/web3ext/web3ext.go +++ b/internal/web3ext/web3ext.go @@ -765,12 +765,6 @@ const TraceJs = ` web3._extend({ property: 'trace', methods: [ - new web3._extend.Method({ - name: 'traceBlockByNumber', - call: 'trace_traceBlockByNumber', - params: 2, - inputFormatter: [null, null] - }), new web3._extend.Method({ name: 'traceBlock', call: 'trace_traceBlock', From 7a4afdbfb297a1c143f248ec42572dd6396177a7 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Tue, 6 Oct 2020 16:43:21 +0300 Subject: [PATCH 05/74] Rename trace methods for compatibility with OpenEthereum names --- eth/api_tracer.go | 8 ++++---- internal/web3ext/web3ext.go | 8 ++++---- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/eth/api_tracer.go b/eth/api_tracer.go index 64a79d6732..6ca22aa5c6 100644 --- a/eth/api_tracer.go +++ b/eth/api_tracer.go @@ -388,10 +388,10 @@ func (api *PrivateDebugAPI) TraceBlockByNumber(ctx context.Context, number rpc.B return traceBlockByNumber(ctx, api.eth, number, config) } -// TraceBlock returns the structured logs created during the execution of +// Block returns the structured logs created during the execution of // EVM and returns them as a JSON object. // The correct name will be TraceBlockByNumber, though we want to be compatible with OpenEthereum trace module. -func (api *PrivateTraceAPI) TraceBlock(ctx context.Context, number rpc.BlockNumber, config *TraceConfig) ([]*txTraceResult, error) { +func (api *PrivateTraceAPI) Block(ctx context.Context, number rpc.BlockNumber, config *TraceConfig) ([]*txTraceResult, error) { config = setConfigTracerToOpenEthereum(config) return traceBlockByNumber(ctx, api.eth, number, config) } @@ -769,9 +769,9 @@ func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, hash common.Ha return traceTransaction(ctx, api.eth, hash, config) } -// TraceTransaction returns the structured logs created during the execution of EVM +// Transaction returns the structured logs created during the execution of EVM // and returns them as a JSON object. -func (api *PrivateTraceAPI) TraceTransaction(ctx context.Context, hash common.Hash, config *TraceConfig) (interface{}, error) { +func (api *PrivateTraceAPI) Transaction(ctx context.Context, hash common.Hash, config *TraceConfig) (interface{}, error) { config = setConfigTracerToOpenEthereum(config) return traceTransaction(ctx, api.eth, hash, config) } diff --git a/internal/web3ext/web3ext.go b/internal/web3ext/web3ext.go index fa5712562d..11c7d4fbb8 100644 --- a/internal/web3ext/web3ext.go +++ b/internal/web3ext/web3ext.go @@ -766,14 +766,14 @@ web3._extend({ property: 'trace', methods: [ new web3._extend.Method({ - name: 'traceBlock', - call: 'trace_traceBlock', + name: 'block', + call: 'trace_block', params: 2, inputFormatter: [null, null] }), new web3._extend.Method({ - name: 'traceTransaction', - call: 'trace_traceTransaction', + name: 'transaction', + call: 'trace_transaction', params: 2, inputFormatter: [null, null] }), From 9228a99dd0573e27fc6fca8655ff24838cdceb5e Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Tue, 6 Oct 2020 16:50:12 +0300 Subject: [PATCH 06/74] tracer: add dump trace_filter func --- eth/api_tracer.go | 6 ++++++ internal/web3ext/web3ext.go | 6 ++++++ 2 files changed, 12 insertions(+) diff --git a/eth/api_tracer.go b/eth/api_tracer.go index 6ca22aa5c6..c4e316bf99 100644 --- a/eth/api_tracer.go +++ b/eth/api_tracer.go @@ -924,3 +924,9 @@ func computeTxEnv(eth *Ethereum, block *types.Block, txIndex int, reexec uint64) func (api *PrivateDebugAPI) computeTxEnv(block *types.Block, txIndex int, reexec uint64) (core.Message, vm.Context, *state.StateDB, error) { return computeTxEnv(api.eth, block, txIndex, reexec) } + +func (api *PrivateTraceAPI) Filter(ctx context.Context, args ethapi.CallArgs, config *TraceConfig) ([]*txTraceResult, error) { + config = setConfigTracerToOpenEthereum(config) + fmt.Printf("args: %#v\n", args) + return nil, nil +} diff --git a/internal/web3ext/web3ext.go b/internal/web3ext/web3ext.go index 11c7d4fbb8..7f87175dc0 100644 --- a/internal/web3ext/web3ext.go +++ b/internal/web3ext/web3ext.go @@ -777,6 +777,12 @@ web3._extend({ params: 2, inputFormatter: [null, null] }), + new web3._extend.Method({ + name: 'filter', + call: 'trace_filter', + params: 2, + inputFormatter: [null, null] + }), ], properties: [] }); From 8efa8a4d549873a27a367770bcd8b743f1afabdd Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Thu, 8 Oct 2020 00:05:10 +0300 Subject: [PATCH 07/74] tracer: include `blockHash`, `transactionHash` and `transactionPosition` in response --- eth/api_tracer.go | 34 ++++++++++++++----- eth/tracers/internal/tracers/assets.go | 2 +- .../tracers/call_tracer_open_ethereum.js | 14 ++++++-- eth/tracers/tracer.go | 7 ++++ 4 files changed, 45 insertions(+), 12 deletions(-) diff --git a/eth/api_tracer.go b/eth/api_tracer.go index c4e316bf99..c8d585a9de 100644 --- a/eth/api_tracer.go +++ b/eth/api_tracer.go @@ -95,8 +95,9 @@ type blockTraceResult struct { // txTraceTask represents a single transaction trace task when an entire block // is being traced. type txTraceTask struct { - statedb *state.StateDB // Intermediate state prepped for tracing - index int // Transaction offset in the block + statedb *state.StateDB // Intermediate state prepped for tracing + index int // Transaction offset in the block + taskExtraContext map[string]interface{} } // setConfigTracerToOpenEthereum forces the Tracer to the OpenEthereum one @@ -219,7 +220,7 @@ func (api *PrivateDebugAPI) traceChain(ctx context.Context, start, end *types.Bl msg, _ := tx.AsMessage(signer) vmctx := core.NewEVMContext(msg, task.block.Header(), api.eth.blockchain, nil) - res, err := traceTx(ctx, api.eth, msg, vmctx, task.statedb, config) + res, err := traceTx(ctx, api.eth, msg, vmctx, task.statedb, nil, config) if err != nil { task.results[i] = &txTraceResult{Error: err.Error()} log.Warn("Tracing failed", "hash", tx.Hash(), "block", task.block.NumberU64(), "err", err) @@ -513,7 +514,7 @@ func traceBlock(ctx context.Context, eth *Ethereum, block *types.Block, config * msg, _ := txs[task.index].AsMessage(signer) vmctx := core.NewEVMContext(msg, block.Header(), eth.blockchain, nil) - res, err := traceTx(ctx, eth, msg, vmctx, task.statedb, config) + res, err := traceTx(ctx, eth, msg, vmctx, task.statedb, task.taskExtraContext, config) if err != nil { results[task.index] = &txTraceResult{Error: err.Error()} continue @@ -525,8 +526,14 @@ func traceBlock(ctx context.Context, eth *Ethereum, block *types.Block, config * // Feed the transactions into the tracers and return var failed error for i, tx := range txs { + taskExtraContext := map[string]interface{}{ + "blockHash": block.Hash().Hex(), + "transactionHash": tx.Hash().Hex(), + "transactionPosition": uint64(i), + } + // Send the trace task over for execution - jobs <- &txTraceTask{statedb: statedb.Copy(), index: i} + jobs <- &txTraceTask{statedb: statedb.Copy(), index: i, taskExtraContext: taskExtraContext} // Generate the next state snapshot fast without tracing msg, _ := tx.AsMessage(signer) @@ -759,8 +766,15 @@ func traceTransaction(ctx context.Context, eth *Ethereum, hash common.Hash, conf if err != nil { return nil, err } + + taskExtraContext := map[string]interface{}{ + "blockHash": blockHash.Hex(), + "transactionHash": tx.Hash().Hex(), + "transactionPosition": uint64(index), + } + // Trace the transaction and return - return traceTx(ctx, eth, msg, vmctx, statedb, config) + return traceTx(ctx, eth, msg, vmctx, statedb, taskExtraContext, config) } // TraceTransaction returns the structured logs created during the execution of EVM @@ -813,7 +827,7 @@ func (api *PrivateDebugAPI) TraceCall(ctx context.Context, args ethapi.CallArgs, // traceTx configures a new tracer according to the provided configuration, and // executes the given message in the provided environment. The return value will // be tracer dependent. -func traceTx(ctx context.Context, eth *Ethereum, message core.Message, vmctx vm.Context, statedb *state.StateDB, config *TraceConfig) (interface{}, error) { +func traceTx(ctx context.Context, eth *Ethereum, message core.Message, vmctx vm.Context, statedb *state.StateDB, extraContext map[string]interface{}, config *TraceConfig) (interface{}, error) { // Assemble the structured logger or the JavaScript tracer var ( tracer vm.Tracer @@ -840,6 +854,10 @@ func traceTx(ctx context.Context, eth *Ethereum, message core.Message, vmctx vm. }() defer cancel() + if extraContext != nil { + tracer.(*tracers.Tracer).CaptureExtraContext(extraContext) + } + case config == nil: tracer = vm.NewStructLogger(nil) @@ -880,7 +898,7 @@ func traceTx(ctx context.Context, eth *Ethereum, message core.Message, vmctx vm. // executes the given message in the provided environment. The return value will // be tracer dependent. func (api *PrivateDebugAPI) traceTx(ctx context.Context, message core.Message, vmctx vm.Context, statedb *state.StateDB, config *TraceConfig) (interface{}, error) { - return traceTx(ctx, api.eth, message, vmctx, statedb, config) + return traceTx(ctx, api.eth, message, vmctx, statedb, nil, config) } // computeTxEnv returns the execution environment of a certain transaction. diff --git a/eth/tracers/internal/tracers/assets.go b/eth/tracers/internal/tracers/assets.go index 660ce3867e..3e233b7f1c 100644 --- a/eth/tracers/internal/tracers/assets.go +++ b/eth/tracers/internal/tracers/assets.go @@ -146,7 +146,7 @@ func call_tracerJs() (*asset, error) { return a, nil } -var _call_tracer_open_ethereumJs = 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+var _call_tracer_open_ethereumJs = 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func call_tracer_open_ethereumJsBytes() ([]byte, error) { return bindataRead( diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 8339452852..6d48830800 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -203,6 +203,11 @@ output: toHex(ctx.output), time: ctx.time, }; + var extraCtx = { + blockHash: ctx.blockHash, + transactionHash: ctx.transactionHash, + transactionPosition: ctx.transactionPosition, + }; if (this.callstack[0].calls !== undefined) { result.calls = this.callstack[0].calls; } @@ -214,19 +219,22 @@ if (result.error !== undefined && (result.error !== "execution reverted" || result.output ==="0x")) { delete result.output; } - return this.finalize(result); + return this.finalize(result, extraCtx); }, // finalize recreates a call object using the final desired field order for json // serialization. This is a nicety feature to pass meaningfully ordered results // to users who don't interpret it, just display it. - finalize: function(call, traceAddress) { + finalize: function(call, extraCtx, traceAddress) { var type = call.type; var is_create = type == 'CREATE' || type == "CREATE2"; traceAddress = traceAddress || []; var sorted = { blockNumber: call.block, + blockHash: extraCtx.blockHash, + transactionHash: extraCtx.transactionHash, + transactionPosition: extraCtx.transactionPosition, gasIn:call.gasIn, gasCost:call.gasCost, @@ -281,7 +289,7 @@ if (calls !== undefined) { for (var i=0; i Date: Fri, 9 Oct 2020 14:38:53 +0300 Subject: [PATCH 08/74] tracer: small change to accumulateRewards to make it available to the RPC Based on @tjayrush commit https://github.com/ledgerwatch/turbo-geth/commit/47f59e8fcd805ad2a4f677f7dffb2ae9b0673bbc --- consensus/ethash/consensus.go | 27 +++++++++++++++++++++------ consensus/ethash/consensus_classic.go | 11 ++++++----- 2 files changed, 27 insertions(+), 11 deletions(-) diff --git a/consensus/ethash/consensus.go b/consensus/ethash/consensus.go index 13fc5ae298..48c641f66f 100644 --- a/consensus/ethash/consensus.go +++ b/consensus/ethash/consensus.go @@ -587,28 +587,43 @@ var ( // AccumulateRewards credits the coinbase of the given block with the mining // reward. The total reward consists of the static block reward and rewards for // included uncles. The coinbase of each uncle block is also rewarded. -func accumulateRewards(config ctypes.ChainConfigurator, state *state.StateDB, header *types.Header, uncles []*types.Header) { +// func AccumulateRewards(config ctypes.ChainConfigurator, state *state.StateDB, header *types.Header, uncles []*types.Header) { +func AccumulateRewards(config ctypes.ChainConfigurator, header *types.Header, uncles []*types.Header) (*big.Int, []*big.Int) { if config.IsEnabled(config.GetEthashECIP1017Transition, header.Number) { - ecip1017BlockReward(config, state, header, uncles) - return + return ecip1017BlockReward(config, header, uncles) } blockReward := ctypes.EthashBlockReward(config, header.Number) // Accumulate the rewards for the miner and any included uncles + uncleRewards := make([]*big.Int, len(uncles)) reward := new(big.Int).Set(blockReward) r := new(big.Int) - for _, uncle := range uncles { + for i, uncle := range uncles { r.Add(uncle.Number, big8) r.Sub(r, header.Number) r.Mul(r, blockReward) r.Div(r, big8) - state.AddBalance(uncle.Coinbase, r) + + ur := new(big.Int).Set(r) + uncleRewards[i] = ur r.Div(blockReward, big32) reward.Add(reward, r) } - state.AddBalance(header.Coinbase, reward) + + return reward, uncleRewards +} + +// accumulateRewards retreives rewards for a block and applies them to the coinbase accounts for miner and uncle miners +func accumulateRewards(config ctypes.ChainConfigurator, state *state.StateDB, header *types.Header, uncles []*types.Header) { + minerReward, uncleRewards := AccumulateRewards(config, header, uncles) + for i, uncle := range uncles { + if i < len(uncleRewards) { + state.AddBalance(uncle.Coinbase, uncleRewards[i]) + } + } + state.AddBalance(header.Coinbase, minerReward) } // As of "Era 2" (zero-index era 1), uncle miners and winners are rewarded equally for each included block. diff --git a/consensus/ethash/consensus_classic.go b/consensus/ethash/consensus_classic.go index 179619186b..b472c9394f 100644 --- a/consensus/ethash/consensus_classic.go +++ b/consensus/ethash/consensus_classic.go @@ -18,13 +18,12 @@ package ethash import ( "math/big" - "github.com/ethereum/go-ethereum/core/state" "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/params/types/ctypes" "github.com/ethereum/go-ethereum/params/vars" ) -func ecip1017BlockReward(config ctypes.ChainConfigurator, state *state.StateDB, header *types.Header, uncles []*types.Header) { +func ecip1017BlockReward(config ctypes.ChainConfigurator, header *types.Header, uncles []*types.Header) (*big.Int, []*big.Int) { blockReward := vars.FrontierBlockReward // Ensure value 'era' is configured. @@ -33,13 +32,15 @@ func ecip1017BlockReward(config ctypes.ChainConfigurator, state *state.StateDB, wr := GetBlockWinnerRewardByEra(era, blockReward) // wr "winner reward". 5, 4, 3.2, 2.56, ... wurs := GetBlockWinnerRewardForUnclesByEra(era, uncles, blockReward) // wurs "winner uncle rewards" wr.Add(wr, wurs) - state.AddBalance(header.Coinbase, wr) // $$ // Reward uncle miners. - for _, uncle := range uncles { + uncleRewards := make([]*big.Int, len(uncles)) + for i, uncle := range uncles { ur := GetBlockUncleRewardByEra(era, header, uncle, blockReward) - state.AddBalance(uncle.Coinbase, ur) // $$ + uncleRewards[i] = ur } + + return wr, uncleRewards } func ecip1010Explosion(config ctypes.ChainConfigurator, next *big.Int, exPeriodRef *big.Int) { From 590fdf2c9811806768771fdf8675a643e006fd6d Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Fri, 9 Oct 2020 14:45:12 +0300 Subject: [PATCH 09/74] tracer: restructure PrivateTraceAPI to its own file --- eth/api_tracer.go | 32 ------------------- eth/api_tracer_oe.go | 75 ++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 75 insertions(+), 32 deletions(-) create mode 100644 eth/api_tracer_oe.go diff --git a/eth/api_tracer.go b/eth/api_tracer.go index c8d585a9de..d6dd4a3dbe 100644 --- a/eth/api_tracer.go +++ b/eth/api_tracer.go @@ -100,17 +100,6 @@ type txTraceTask struct { taskExtraContext map[string]interface{} } -// setConfigTracerToOpenEthereum forces the Tracer to the OpenEthereum one -func setConfigTracerToOpenEthereum(config *TraceConfig) *TraceConfig { - if config == nil { - config = &TraceConfig{} - } - - tracer := "callTracerOpenEthereum" - config.Tracer = &tracer - return config -} - // TraceChain returns the structured logs created during the execution of EVM // between two blocks (excluding start) and returns them as a JSON object. func (api *PrivateDebugAPI) TraceChain(ctx context.Context, start, end rpc.BlockNumber, config *TraceConfig) (*rpc.Subscription, error) { @@ -389,14 +378,6 @@ func (api *PrivateDebugAPI) TraceBlockByNumber(ctx context.Context, number rpc.B return traceBlockByNumber(ctx, api.eth, number, config) } -// Block returns the structured logs created during the execution of -// EVM and returns them as a JSON object. -// The correct name will be TraceBlockByNumber, though we want to be compatible with OpenEthereum trace module. -func (api *PrivateTraceAPI) Block(ctx context.Context, number rpc.BlockNumber, config *TraceConfig) ([]*txTraceResult, error) { - config = setConfigTracerToOpenEthereum(config) - return traceBlockByNumber(ctx, api.eth, number, config) -} - // TraceBlockByHash returns the structured logs created during the execution of // EVM and returns them as a JSON object. func (api *PrivateDebugAPI) TraceBlockByHash(ctx context.Context, hash common.Hash, config *TraceConfig) ([]*txTraceResult, error) { @@ -783,13 +764,6 @@ func (api *PrivateDebugAPI) TraceTransaction(ctx context.Context, hash common.Ha return traceTransaction(ctx, api.eth, hash, config) } -// Transaction returns the structured logs created during the execution of EVM -// and returns them as a JSON object. -func (api *PrivateTraceAPI) Transaction(ctx context.Context, hash common.Hash, config *TraceConfig) (interface{}, error) { - config = setConfigTracerToOpenEthereum(config) - return traceTransaction(ctx, api.eth, hash, config) -} - // TraceCall lets you trace a given eth_call. It collects the structured logs created during the execution of EVM // if the given transaction was added on top of the provided block and returns them as a JSON object. // You can provide -2 as a block number to trace on top of the pending block. @@ -942,9 +916,3 @@ func computeTxEnv(eth *Ethereum, block *types.Block, txIndex int, reexec uint64) func (api *PrivateDebugAPI) computeTxEnv(block *types.Block, txIndex int, reexec uint64) (core.Message, vm.Context, *state.StateDB, error) { return computeTxEnv(api.eth, block, txIndex, reexec) } - -func (api *PrivateTraceAPI) Filter(ctx context.Context, args ethapi.CallArgs, config *TraceConfig) ([]*txTraceResult, error) { - config = setConfigTracerToOpenEthereum(config) - fmt.Printf("args: %#v\n", args) - return nil, nil -} diff --git a/eth/api_tracer_oe.go b/eth/api_tracer_oe.go new file mode 100644 index 0000000000..17004322db --- /dev/null +++ b/eth/api_tracer_oe.go @@ -0,0 +1,75 @@ +// Copyright 2017 The go-ethereum Authors +// This file is part of the go-ethereum library. +// +// The go-ethereum library is free software: you can redistribute it and/or modify +// it under the terms of the GNU Lesser General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// The go-ethereum library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public License +// along with the go-ethereum library. If not, see . + +package eth + +import ( + "context" + "fmt" + + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/internal/ethapi" + "github.com/ethereum/go-ethereum/rpc" +) + +// setConfigTracerToOpenEthereum forces the Tracer to the OpenEthereum one +func setConfigTracerToOpenEthereum(config *TraceConfig) *TraceConfig { + if config == nil { + config = &TraceConfig{} + } + + tracer := "callTracerOpenEthereum" + config.Tracer = &tracer + return config +} + +// Block returns the structured logs created during the execution of +// EVM and returns them as a JSON object. +// The correct name will be TraceBlockByNumber, though we want to be compatible with OpenEthereum trace module. +func (api *PrivateTraceAPI) Block(ctx context.Context, number rpc.BlockNumber, config *TraceConfig) ([]*txTraceResult, error) { + // Fetch the block that we want to trace + var block *types.Block + + switch number { + case rpc.PendingBlockNumber: + block = api.eth.miner.PendingBlock() + case rpc.LatestBlockNumber: + block = api.eth.blockchain.CurrentBlock() + default: + block = api.eth.blockchain.GetBlockByNumber(uint64(number)) + } + // Trace the block if it was found + if block == nil { + return nil, fmt.Errorf("block #%d not found", number) + } + + config = setConfigTracerToOpenEthereum(config) + return traceBlockByNumber(ctx, api.eth, number, config) +} + +// Transaction returns the structured logs created during the execution of EVM +// and returns them as a JSON object. +func (api *PrivateTraceAPI) Transaction(ctx context.Context, hash common.Hash, config *TraceConfig) (interface{}, error) { + config = setConfigTracerToOpenEthereum(config) + return traceTransaction(ctx, api.eth, hash, config) +} + +func (api *PrivateTraceAPI) Filter(ctx context.Context, args ethapi.CallArgs, config *TraceConfig) ([]*txTraceResult, error) { + config = setConfigTracerToOpenEthereum(config) + fmt.Printf("args: %#v\n", args) + return nil, nil +} From 66362d80acc59cde6479dfe6111cc05f0beee91e Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Fri, 9 Oct 2020 14:46:15 +0300 Subject: [PATCH 10/74] tracer: add block/uncle rewards in trace_block --- eth/api_tracer_oe.go | 123 ++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 121 insertions(+), 2 deletions(-) diff --git a/eth/api_tracer_oe.go b/eth/api_tracer_oe.go index 17004322db..6912f907b3 100644 --- a/eth/api_tracer_oe.go +++ b/eth/api_tracer_oe.go @@ -18,14 +18,49 @@ package eth import ( "context" + "encoding/json" "fmt" "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/common/hexutil" + "github.com/ethereum/go-ethereum/consensus/ethash" "github.com/ethereum/go-ethereum/core/types" "github.com/ethereum/go-ethereum/internal/ethapi" "github.com/ethereum/go-ethereum/rpc" ) +// OpenEthereumTrace A trace in the desired format (Parity/OpenEtherum) See: https://openethereum.github.io/wiki/JSONRPC-trace-module +type OpenEthereumTrace struct { + // Do not change the ordering of these fields -- allows for easier comparison with other clients + Action TraceAction `json:"action"` + BlockHash *common.Hash `json:"blockHash"` + BlockNumber uint64 `json:"blockNumber"` + Error string `json:"error,omitempty"` + Result interface{} `json:"result"` + Subtraces int `json:"subtraces"` + TraceAddress []int `json:"traceAddress"` + TransactionHash *common.Hash `json:"transactionHash"` + TransactionPosition *uint64 `json:"transactionPosition"` + Type string `json:"type"` +} + +// TraceAction A parity formatted trace action +type TraceAction struct { + // Do not change the ordering of these fields -- allows for easier comparison with other clients + Author *common.Address `json:"author,omitempty"` + RewardType string `json:"rewardType,omitempty"` + SelfDestructed string `json:"address,omitempty"` + Balance *hexutil.Big `json:"balance,omitempty"` + CallType string `json:"callType,omitempty"` + From *common.Address `json:"from,omitempty"` + Gas hexutil.Uint64 `json:"gas,omitempty"` + Init string `json:"init,omitempty"` + Input hexutil.Bytes `json:"input,omitempty"` + RefundAddress *common.Address `json:"refundAddress,omitempty"` + To *common.Address `json:"to,omitempty"` + Value *hexutil.Big `json:"value,omitempty"` +} + // setConfigTracerToOpenEthereum forces the Tracer to the OpenEthereum one func setConfigTracerToOpenEthereum(config *TraceConfig) *TraceConfig { if config == nil { @@ -37,10 +72,60 @@ func setConfigTracerToOpenEthereum(config *TraceConfig) *TraceConfig { return config } +func traceBlockReward(ctx context.Context, eth *Ethereum, block *types.Block, config *TraceConfig) (*OpenEthereumTrace, error) { + chainConfig := eth.blockchain.Config() + minerReward, _ := ethash.AccumulateRewards(chainConfig, block.Header(), block.Uncles()) + + coinbase := block.Coinbase() + blockHash := block.Hash() + + tr := &OpenEthereumTrace{ + Action: TraceAction{ + Author: &coinbase, + RewardType: "block", + Value: (*hexutil.Big)(minerReward), + }, + BlockHash: &blockHash, + BlockNumber: block.NumberU64(), + TraceAddress: []int{}, + Type: "reward", + } + + return tr, nil +} + +func traceBlockUncleRewards(ctx context.Context, eth *Ethereum, block *types.Block, config *TraceConfig) ([]*OpenEthereumTrace, error) { + chainConfig := eth.blockchain.Config() + _, uncleRewards := ethash.AccumulateRewards(chainConfig, block.Header(), block.Uncles()) + + blockHash := block.Hash() + + results := make([]*OpenEthereumTrace, len(uncleRewards)) + for i, uncle := range block.Uncles() { + if i < len(uncleRewards) { + coinbase := uncle.Coinbase + + results[i] = &OpenEthereumTrace{ + Action: TraceAction{ + Author: &coinbase, + RewardType: "uncle", + Value: (*hexutil.Big)(uncleRewards[i]), + }, + BlockHash: &blockHash, + BlockNumber: block.NumberU64(), + TraceAddress: []int{}, + Type: "reward", + } + } + } + + return results, nil +} + // Block returns the structured logs created during the execution of // EVM and returns them as a JSON object. // The correct name will be TraceBlockByNumber, though we want to be compatible with OpenEthereum trace module. -func (api *PrivateTraceAPI) Block(ctx context.Context, number rpc.BlockNumber, config *TraceConfig) ([]*txTraceResult, error) { +func (api *PrivateTraceAPI) Block(ctx context.Context, number rpc.BlockNumber, config *TraceConfig) ([]interface{}, error) { // Fetch the block that we want to trace var block *types.Block @@ -58,7 +143,41 @@ func (api *PrivateTraceAPI) Block(ctx context.Context, number rpc.BlockNumber, c } config = setConfigTracerToOpenEthereum(config) - return traceBlockByNumber(ctx, api.eth, number, config) + + traceResults, err := traceBlockByNumber(ctx, api.eth, number, config) + if err != nil { + return nil, err + } + + traceReward, err := traceBlockReward(ctx, api.eth, block, config) + if err != nil { + return nil, err + } + + traceUncleRewards, err := traceBlockUncleRewards(ctx, api.eth, block, config) + if err != nil { + return nil, err + } + + results := make([]interface{}, 0, len(traceResults)+1+len(traceUncleRewards)) + + for _, result := range traceResults { + var tmp []interface{} + if err := json.Unmarshal(result.Result.(json.RawMessage), &tmp); err != nil { + return nil, err + } + for _, item := range tmp { + results = append(results, item) + } + } + + results = append(results, traceReward) + + for _, uncleReward := range traceUncleRewards { + results = append(results, uncleReward) + } + + return results, nil } // Transaction returns the structured logs created during the execution of EVM From 7b56e95d156834e84c3d53008d3822961eca8994 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Fri, 9 Oct 2020 14:47:31 +0300 Subject: [PATCH 11/74] tracer: reorder tracer json fields --- eth/api_tracer.go | 2 ++ eth/tracers/internal/tracers/assets.go | 2 +- .../tracers/call_tracer_open_ethereum.js | 31 +++++++++---------- 3 files changed, 17 insertions(+), 18 deletions(-) diff --git a/eth/api_tracer.go b/eth/api_tracer.go index d6dd4a3dbe..83c168bef1 100644 --- a/eth/api_tracer.go +++ b/eth/api_tracer.go @@ -508,6 +508,7 @@ func traceBlock(ctx context.Context, eth *Ethereum, block *types.Block, config * var failed error for i, tx := range txs { taskExtraContext := map[string]interface{}{ + "blockNumber": block.NumberU64(), "blockHash": block.Hash().Hex(), "transactionHash": tx.Hash().Hex(), "transactionPosition": uint64(i), @@ -749,6 +750,7 @@ func traceTransaction(ctx context.Context, eth *Ethereum, hash common.Hash, conf } taskExtraContext := map[string]interface{}{ + "blockNumber": block.NumberU64(), "blockHash": blockHash.Hex(), "transactionHash": tx.Hash().Hex(), "transactionPosition": uint64(index), diff --git a/eth/tracers/internal/tracers/assets.go b/eth/tracers/internal/tracers/assets.go index 3e233b7f1c..adc55e7808 100644 --- a/eth/tracers/internal/tracers/assets.go +++ b/eth/tracers/internal/tracers/assets.go @@ -146,7 +146,7 @@ func call_tracerJs() (*asset, error) { return a, nil } -var _call_tracer_open_ethereumJs = 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+var _call_tracer_open_ethereumJs = 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func call_tracer_open_ethereumJsBytes() ([]byte, error) { return bindataRead( diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 6d48830800..3dcefc0436 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -205,6 +205,7 @@ }; var extraCtx = { blockHash: ctx.blockHash, + blockNumber: ctx.blockNumber, transactionHash: ctx.transactionHash, transactionPosition: ctx.transactionPosition, }; @@ -231,28 +232,21 @@ traceAddress = traceAddress || []; var sorted = { - blockNumber: call.block, - blockHash: extraCtx.blockHash, - transactionHash: extraCtx.transactionHash, - transactionPosition: extraCtx.transactionPosition, - - gasIn:call.gasIn, - gasCost:call.gasCost, - outOff:call.outOff, - outLen:call.outLen, - - type: type.toLowerCase(), action: { + callType: !is_create ? type.toLowerCase() : undefined, from: call.from, - to: !is_create ? call.to : undefined, - value: call.value, gas: call.gas, - input: !is_create ? call.input : undefined, - callType: !is_create ? type.toLowerCase() : undefined, - init: is_create ? call.input : undefined, + input: !is_create ? call.input : undefined, + to: !is_create ? call.to : undefined, + value: call.value, creationMethod: is_create ? type.toLowerCase() : undefined, }, + blockHash: extraCtx.blockHash, + blockNumber: typeof call.block !== 'undefined' ? call.block : extraCtx.blockNumber, + + error: call.error, + result : { gasUsed: call.gasUsed, output: !is_create ? call.output : undefined, @@ -260,11 +254,14 @@ address: is_create ? call.to : undefined, code : is_create ? call.output : undefined, }, - error: call.error, subtraces: 0, traceAddress: traceAddress, + transactionHash: extraCtx.transactionHash, + transactionPosition: extraCtx.transactionPosition, + + type: type.toLowerCase(), time: call.time, } From 350afc95c7f249312ef8bb59e1b5e27ed99733bf Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Mon, 12 Oct 2020 16:58:11 +0300 Subject: [PATCH 12/74] Cleanup --- eth/api_tracer_oe.go | 2 +- eth/tracers/internal/tracers/assets.go | 2 +- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/eth/api_tracer_oe.go b/eth/api_tracer_oe.go index 6912f907b3..3042f43d27 100644 --- a/eth/api_tracer_oe.go +++ b/eth/api_tracer_oe.go @@ -159,7 +159,7 @@ func (api *PrivateTraceAPI) Block(ctx context.Context, number rpc.BlockNumber, c return nil, err } - results := make([]interface{}, 0, len(traceResults)+1+len(traceUncleRewards)) + results := []interface{}{} for _, result := range traceResults { var tmp []interface{} diff --git a/eth/tracers/internal/tracers/assets.go b/eth/tracers/internal/tracers/assets.go index adc55e7808..26e3eea6a9 100644 --- a/eth/tracers/internal/tracers/assets.go +++ b/eth/tracers/internal/tracers/assets.go @@ -146,7 +146,7 @@ func call_tracerJs() (*asset, error) { return a, nil } -var _call_tracer_open_ethereumJs = 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+var _call_tracer_open_ethereumJs = 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func call_tracer_open_ethereumJsBytes() ([]byte, error) { return bindataRead( diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 3dcefc0436..407962f87b 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -243,7 +243,7 @@ creationMethod: is_create ? type.toLowerCase() : undefined, }, blockHash: extraCtx.blockHash, - blockNumber: typeof call.block !== 'undefined' ? call.block : extraCtx.blockNumber, + blockNumber: call.block || extraCtx.blockNumber, error: call.error, From 548de0dbeef95af8945dbd8bc1226b362beb21b5 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Tue, 13 Oct 2020 21:40:40 +0300 Subject: [PATCH 13/74] tracer: handle gas 2300 stipend --- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 407962f87b..40c30e1378 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -93,6 +93,12 @@ if (op != 'DELEGATECALL' && op != 'STATICCALL') { call.value = '0x' + log.stack.peek(2).toString(16); } + + // Hacky way to handle the 2300 stipend, this should be handle outside trace most probably + if ((op == 'CALL' || op == 'CALLCODE') && call.input == '0x') { + call.gas = 2300; + } + this.callstack.push(call); this.descended = true return; From da1a1ecf4afde390ed30c389e388902dde274baa Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Tue, 13 Oct 2020 21:49:21 +0300 Subject: [PATCH 14/74] tracer: Add mapping of core-geth errors to OpenEthereum ones --- .../tracers/call_tracer_open_ethereum.js | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 40c30e1378..83a8f6ae71 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -24,6 +24,13 @@ // an inner call. descended: false, + oe_error_mapping: { + "contract creation code storage out of gas": "Out of gas", + "out of gas": "Out of gas", + "invalid jump destination": "Bad jump destination", + "execution reverted": "Reverted", + }, + // step is invoked for every opcode that the VM executes. step: function(log, db) { // Capture any errors immediately @@ -271,6 +278,16 @@ time: call.time, } + if (sorted.error !== undefined) { + if (this.oe_error_mapping.hasOwnProperty(sorted.error)) { + sorted.error = this.oe_error_mapping[sorted.error]; + delete sorted.result; + } else if (sorted.error.indexOf('invalid opcode:') > -1) { + sorted.error = "Bad instruction"; + delete sorted.result; + } + } + for (var key in sorted) { if (sorted[key] === 'object') { for (var nested_key in sorted[key]) { From b5b4990bbb7ebdd134102fb2d6c16738d0e05155 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Tue, 13 Oct 2020 21:50:19 +0300 Subject: [PATCH 15/74] tracer: handle op=selfdestruct similar to OpenEthereum --- .../tracers/call_tracer_open_ethereum.js | 30 +++++++++++++------ 1 file changed, 21 insertions(+), 9 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 83a8f6ae71..b18f7e5cab 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -241,18 +241,26 @@ // to users who don't interpret it, just display it. finalize: function(call, extraCtx, traceAddress) { var type = call.type; - var is_create = type == 'CREATE' || type == "CREATE2"; + var is_create = type == "CREATE" || type == "CREATE2"; + var is_selfdestruct = type == "SELFDESTRUCT"; + + if (is_selfdestruct) { + type = 'SUICIDE' + } traceAddress = traceAddress || []; var sorted = { action: { - callType: !is_create ? type.toLowerCase() : undefined, - from: call.from, + callType: !is_create && !is_selfdestruct ? type.toLowerCase() : undefined, + from: !is_selfdestruct ? call.from : undefined, gas: call.gas, init: is_create ? call.input : undefined, input: !is_create ? call.input : undefined, - to: !is_create ? call.to : undefined, - value: call.value, + to: !is_create && !is_selfdestruct ? call.to : undefined, + value: !is_selfdestruct ? call.value : undefined, + address: is_selfdestruct ? call.from : undefined, + refundAddress: is_selfdestruct ? call.to : undefined, + balance: is_selfdestruct ? call.value : undefined, creationMethod: is_create ? type.toLowerCase() : undefined, }, blockHash: extraCtx.blockHash, @@ -260,12 +268,12 @@ error: call.error, - result : { + result: { gasUsed: call.gasUsed, output: !is_create ? call.output : undefined, address: is_create ? call.to : undefined, - code : is_create ? call.output : undefined, + code: is_create ? call.output : undefined, }, subtraces: 0, @@ -278,6 +286,10 @@ time: call.time, } + if (is_selfdestruct) { + sorted.result = null + } + if (sorted.error !== undefined) { if (this.oe_error_mapping.hasOwnProperty(sorted.error)) { sorted.error = this.oe_error_mapping[sorted.error]; @@ -289,7 +301,7 @@ } for (var key in sorted) { - if (sorted[key] === 'object') { + if (sorted[key] === "object") { for (var nested_key in sorted[key]) { if (sorted[key][nested_key] === undefined) { delete sorted[key][nested_key]; @@ -302,7 +314,7 @@ var calls = call.calls; if (calls !== undefined) { - sorted['subtraces'] = calls.length; + sorted["subtraces"] = calls.length; } var results = [sorted]; From f6996ac42ca9d9d1216e836f3b41a5facf908b07 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Wed, 14 Oct 2020 13:33:33 +0300 Subject: [PATCH 16/74] tracer: cleanup reward structs --- eth/api_tracer_oe.go | 59 ++++++++++++++++++-------------------------- 1 file changed, 24 insertions(+), 35 deletions(-) diff --git a/eth/api_tracer_oe.go b/eth/api_tracer_oe.go index 3042f43d27..2c56e9c042 100644 --- a/eth/api_tracer_oe.go +++ b/eth/api_tracer_oe.go @@ -31,34 +31,23 @@ import ( // OpenEthereumTrace A trace in the desired format (Parity/OpenEtherum) See: https://openethereum.github.io/wiki/JSONRPC-trace-module type OpenEthereumTrace struct { - // Do not change the ordering of these fields -- allows for easier comparison with other clients - Action TraceAction `json:"action"` - BlockHash *common.Hash `json:"blockHash"` - BlockNumber uint64 `json:"blockNumber"` - Error string `json:"error,omitempty"` - Result interface{} `json:"result"` - Subtraces int `json:"subtraces"` - TraceAddress []int `json:"traceAddress"` - TransactionHash *common.Hash `json:"transactionHash"` - TransactionPosition *uint64 `json:"transactionPosition"` - Type string `json:"type"` + Action TraceRewardAction `json:"action"` + BlockHash *common.Hash `json:"blockHash"` + BlockNumber uint64 `json:"blockNumber"` + Error string `json:"error,omitempty"` + Result interface{} `json:"result"` + Subtraces int `json:"subtraces"` + TraceAddress []int `json:"traceAddress"` + TransactionHash *common.Hash `json:"transactionHash"` + TransactionPosition *uint64 `json:"transactionPosition"` + Type string `json:"type"` } -// TraceAction A parity formatted trace action -type TraceAction struct { - // Do not change the ordering of these fields -- allows for easier comparison with other clients - Author *common.Address `json:"author,omitempty"` - RewardType string `json:"rewardType,omitempty"` - SelfDestructed string `json:"address,omitempty"` - Balance *hexutil.Big `json:"balance,omitempty"` - CallType string `json:"callType,omitempty"` - From *common.Address `json:"from,omitempty"` - Gas hexutil.Uint64 `json:"gas,omitempty"` - Init string `json:"init,omitempty"` - Input hexutil.Bytes `json:"input,omitempty"` - RefundAddress *common.Address `json:"refundAddress,omitempty"` - To *common.Address `json:"to,omitempty"` - Value *hexutil.Big `json:"value,omitempty"` +// TraceRewardAction An OpenEthereum formatted trace reward action +type TraceRewardAction struct { + Value *hexutil.Big `json:"value,omitempty"` + Author *common.Address `json:"author,omitempty"` + RewardType string `json:"rewardType,omitempty"` } // setConfigTracerToOpenEthereum forces the Tracer to the OpenEthereum one @@ -80,15 +69,15 @@ func traceBlockReward(ctx context.Context, eth *Ethereum, block *types.Block, co blockHash := block.Hash() tr := &OpenEthereumTrace{ - Action: TraceAction{ + Type: "reward", + Action: TraceRewardAction{ + Value: (*hexutil.Big)(minerReward), Author: &coinbase, RewardType: "block", - Value: (*hexutil.Big)(minerReward), }, + TraceAddress: []int{}, BlockHash: &blockHash, BlockNumber: block.NumberU64(), - TraceAddress: []int{}, - Type: "reward", } return tr, nil @@ -106,15 +95,15 @@ func traceBlockUncleRewards(ctx context.Context, eth *Ethereum, block *types.Blo coinbase := uncle.Coinbase results[i] = &OpenEthereumTrace{ - Action: TraceAction{ + Type: "reward", + Action: TraceRewardAction{ + Value: (*hexutil.Big)(uncleRewards[i]), Author: &coinbase, RewardType: "uncle", - Value: (*hexutil.Big)(uncleRewards[i]), }, - BlockHash: &blockHash, - BlockNumber: block.NumberU64(), TraceAddress: []int{}, - Type: "reward", + BlockNumber: block.NumberU64(), + BlockHash: &blockHash, } } } From 2ec697c7f3f4c4cfe95c07a0213294a836c449da Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Wed, 14 Oct 2020 13:36:03 +0300 Subject: [PATCH 17/74] tracer: JS better handling of typeof undefined --- .../tracers/call_tracer_open_ethereum.js | 40 +++++++++---------- 1 file changed, 20 insertions(+), 20 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index b18f7e5cab..cc123f8997 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -35,7 +35,7 @@ step: function(log, db) { // Capture any errors immediately var error = log.getError(); - if (error !== undefined) { + if (typeof error !== "undefined") { this.fault(log, db); return; } @@ -65,7 +65,7 @@ // If a contract is being self destructed, gather that as a subcall too if (syscall && op == 'SELFDESTRUCT') { var left = this.callstack.length; - if (this.callstack[left-1].calls === undefined) { + if (typeof this.callstack[left-1].calls === "undefined") { this.callstack[left-1].calls = []; } this.callstack[left-1].calls.push({type: op}); @@ -141,29 +141,29 @@ if (!ret.equals(0)) { call.to = toHex(toAddress(ret.toString(16))); call.output = toHex(db.getCode(toAddress(ret.toString(16)))); - } else if (call.error === undefined) { + } else if (typeof call.error === "undefined") { call.error = "internal failure"; // TODO(karalabe): surface these faults somehow } } else { // If the call was a contract call, retrieve the gas usage and output - if (call.gas !== undefined) { + if (typeof call.gas !== "undefined") { call.gasUsed = '0x' + bigInt(call.gasIn - call.gasCost + call.gas - log.getGas()).toString(16); } var ret = log.stack.peek(0); if (!ret.equals(0)) { call.output = toHex(log.memory.slice(call.outOff, call.outOff + call.outLen)); - } else if (call.error === undefined) { + } else if (typeof call.error === "undefined") { call.error = "internal failure"; // TODO(karalabe): surface these faults somehow } delete call.gasIn; delete call.gasCost; delete call.outOff; delete call.outLen; } - if (call.gas !== undefined) { + if (typeof call.gas !== "undefined") { call.gas = '0x' + bigInt(call.gas).toString(16); } // Inject the call into the previous one var left = this.callstack.length; - if (this.callstack[left-1].calls === undefined) { + if (typeof this.callstack[left-1].calls === "undefined") { this.callstack[left-1].calls = []; } this.callstack[left-1].calls.push(call); @@ -173,7 +173,7 @@ // fault is invoked when the actual execution of an opcode fails. fault: function(log, db) { // If the topmost call already reverted, don't handle the additional fault again - if (this.callstack[this.callstack.length - 1].error !== undefined) { + if (typeof this.callstack[this.callstack.length - 1].error !== "undefined") { return; } // Pop off the just failed call @@ -181,7 +181,7 @@ call.error = log.getError(); // Consume all available gas and clean any leftovers - if (call.gas !== undefined) { + if (typeof call.gas !== "undefined") { call.gas = '0x' + bigInt(call.gas).toString(16); call.gasUsed = call.gas } @@ -191,7 +191,7 @@ // Flatten the failed call into its parent var left = this.callstack.length; if (left > 0) { - if (this.callstack[left-1].calls === undefined) { + if (typeof this.callstack[left-1].calls === "undefined") { this.callstack[left-1].calls = []; } this.callstack[left-1].calls.push(call); @@ -222,15 +222,15 @@ transactionHash: ctx.transactionHash, transactionPosition: ctx.transactionPosition, }; - if (this.callstack[0].calls !== undefined) { + if (typeof this.callstack[0].calls !== "undefined") { result.calls = this.callstack[0].calls; } - if (this.callstack[0].error !== undefined) { + if (typeof this.callstack[0].error !== "undefined") { result.error = this.callstack[0].error; - } else if (ctx.error !== undefined) { + } else if (typeof ctx.error !== "undefined") { result.error = ctx.error; } - if (result.error !== undefined && (result.error !== "execution reverted" || result.output ==="0x")) { + if (typeof result.error !== "undefined" && (result.error !== "execution reverted" || result.output ==="0x")) { delete result.output; } return this.finalize(result, extraCtx); @@ -290,9 +290,9 @@ sorted.result = null } - if (sorted.error !== undefined) { if (this.oe_error_mapping.hasOwnProperty(sorted.error)) { sorted.error = this.oe_error_mapping[sorted.error]; + if (typeof sorted.error !== "undefined") { delete sorted.result; } else if (sorted.error.indexOf('invalid opcode:') > -1) { sorted.error = "Bad instruction"; @@ -301,25 +301,25 @@ } for (var key in sorted) { - if (sorted[key] === "object") { + if (typeof sorted[key] === "object") { for (var nested_key in sorted[key]) { - if (sorted[key][nested_key] === undefined) { + if (typeof sorted[key][nested_key] === "undefined") { delete sorted[key][nested_key]; } } - } else if (sorted[key] === undefined) { + } else if (typeof sorted[key] === "undefined") { delete sorted[key]; } } var calls = call.calls; - if (calls !== undefined) { + if (typeof calls !== "undefined") { sorted["subtraces"] = calls.length; } var results = [sorted]; - if (calls !== undefined) { + if (typeof calls !== "undefined") { for (var i=0; i Date: Wed, 14 Oct 2020 13:36:31 +0300 Subject: [PATCH 18/74] tracer: JS rename oeErrorMapping --- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index cc123f8997..114d35bd01 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -24,7 +24,7 @@ // an inner call. descended: false, - oe_error_mapping: { + oeErrorMapping: { "contract creation code storage out of gas": "Out of gas", "out of gas": "Out of gas", "invalid jump destination": "Bad jump destination", @@ -290,9 +290,9 @@ sorted.result = null } - if (this.oe_error_mapping.hasOwnProperty(sorted.error)) { - sorted.error = this.oe_error_mapping[sorted.error]; if (typeof sorted.error !== "undefined") { + if (this.oeErrorMapping.hasOwnProperty(sorted.error)) { + sorted.error = this.oeErrorMapping[sorted.error]; delete sorted.result; } else if (sorted.error.indexOf('invalid opcode:') > -1) { sorted.error = "Bad instruction"; From f583aaa51cc64ca2d2037f1fc5ac33a3da4f0f95 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Wed, 14 Oct 2020 13:39:58 +0300 Subject: [PATCH 19/74] =?UTF-8?q?tracer:=20JS=20cleanup=20=F0=9F=A7=BD?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 2 -- 1 file changed, 2 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 114d35bd01..779cdc76d3 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -80,8 +80,6 @@ } var off = (op == 'DELEGATECALL' || op == 'STATICCALL' ? 0 : 1); - for (i=0; i < 10; i++){ - } var inOff = log.stack.peek(2 + off).valueOf(); var inEnd = inOff + log.stack.peek(3 + off).valueOf(); From 3c07e02761c4450db14a20eb861e7574e7bac079 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Wed, 14 Oct 2020 13:41:34 +0300 Subject: [PATCH 20/74] tracer: JS refactor/cleanup finalize() --- .../tracers/call_tracer_open_ethereum.js | 107 +++++++++++------- 1 file changed, 66 insertions(+), 41 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 779cdc76d3..813a11208b 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -238,54 +238,34 @@ // serialization. This is a nicety feature to pass meaningfully ordered results // to users who don't interpret it, just display it. finalize: function(call, extraCtx, traceAddress) { - var type = call.type; - var is_create = type == "CREATE" || type == "CREATE2"; - var is_selfdestruct = type == "SELFDESTRUCT"; + var data; + if (call.type == "CREATE" || call.type == "CREATE2") { + data = this.createResult(call); + } else if (call.type == "SELFDESTRUCT") { + call.type = "SUICIDE"; + data = this.suicideResult(call); + } else { + data = this.callResult(call); - if (is_selfdestruct) { - type = 'SUICIDE' + // update after callResult so as it affects only the root type + if (call.type == "CALLCODE") { + call.type = "CALL"; + } } traceAddress = traceAddress || []; var sorted = { - action: { - callType: !is_create && !is_selfdestruct ? type.toLowerCase() : undefined, - from: !is_selfdestruct ? call.from : undefined, - gas: call.gas, - init: is_create ? call.input : undefined, - input: !is_create ? call.input : undefined, - to: !is_create && !is_selfdestruct ? call.to : undefined, - value: !is_selfdestruct ? call.value : undefined, - address: is_selfdestruct ? call.from : undefined, - refundAddress: is_selfdestruct ? call.to : undefined, - balance: is_selfdestruct ? call.value : undefined, - creationMethod: is_create ? type.toLowerCase() : undefined, - }, - blockHash: extraCtx.blockHash, - blockNumber: call.block || extraCtx.blockNumber, - - error: call.error, - - result: { - gasUsed: call.gasUsed, - output: !is_create ? call.output : undefined, - - address: is_create ? call.to : undefined, - code: is_create ? call.output : undefined, - }, - - subtraces: 0, + type: call.type.toLowerCase(), + action: data.action, + result: data.result, + error: call.error, traceAddress: traceAddress, - - transactionHash: extraCtx.transactionHash, + subtraces: 0, transactionPosition: extraCtx.transactionPosition, - - type: type.toLowerCase(), - time: call.time, - } - - if (is_selfdestruct) { - sorted.result = null + transactionHash: extraCtx.transactionHash, + blockNumber: call.block || extraCtx.blockNumber, + blockHash: extraCtx.blockHash, + time: call.time, } if (typeof sorted.error !== "undefined") { @@ -323,5 +303,50 @@ } } return results; + }, + + createResult: function(call) { + return { + action: { + from: call.from, // Sender + value: call.value, // Value + gas: call.gas, // Gas + init: call.input, // Initialization code + creationMethod: call.type.toLowerCase(), // Create Type + }, + result: { + gasUsed: call.gasUsed, // Gas used + code: call.output, // Code + address: call.to, // Assigned address + } + } + }, + + callResult: function(call) { + return { + action: { + from: call.from, // Sender + to: call.to, // Recipient + value: call.value, // Transfered Value + gas: call.gas, // Gas + input: call.input, // Input data + callType: call.type.toLowerCase(), // The type of the call + }, + result: { + gasUsed: call.gasUsed, // Gas used + output: call.output, // Output bytes + } + } + }, + + suicideResult: function(call) { + return { + action: { + address: call.from, // Address + refundAddress: call.to, // Refund address + balance: call.value, // Balance + }, + result: null + } } } From 8a2dd93659c8a297965f9a76b15bf8aa36256ae4 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Wed, 14 Oct 2020 22:05:27 +0300 Subject: [PATCH 21/74] tracer: JS add additional error maps --- .../tracers/call_tracer_open_ethereum.js | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 813a11208b..816388be94 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -27,10 +27,16 @@ oeErrorMapping: { "contract creation code storage out of gas": "Out of gas", "out of gas": "Out of gas", + "gas uint64 overflow": "Out of gas", "invalid jump destination": "Bad jump destination", "execution reverted": "Reverted", }, + oeErrorMappingStartingWith: { + "invalid opcode:": "Bad instruction", + "stack underflow": "Stack underflow", + }, + // step is invoked for every opcode that the VM executes. step: function(log, db) { // Capture any errors immediately @@ -272,9 +278,13 @@ if (this.oeErrorMapping.hasOwnProperty(sorted.error)) { sorted.error = this.oeErrorMapping[sorted.error]; delete sorted.result; - } else if (sorted.error.indexOf('invalid opcode:') > -1) { - sorted.error = "Bad instruction"; - delete sorted.result; + } else { + for (var searchKey in this.oeErrorMappingStartingWith) { + if (this.oeErrorMappingStartingWith.hasOwnProperty(searchKey) && sorted.error.indexOf(searchKey) > -1) { + sorted.error = this.oeErrorMappingStartingWith[searchKey]; + delete sorted.result; + } + } } } From 5ddf481e0674ca2167fe56f6ccf1ca785a454f19 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Wed, 14 Oct 2020 22:11:55 +0300 Subject: [PATCH 22/74] js/tracers: make OpenEthereum calltracer report value in selfdestructs js/tracers: make calltracer report value in selfdestructs (#21549) https://github.com/ethereum/go-ethereum/commit/71c37d82adaa2b69ea98ce0c5505489d6b711c1e --- .../internal/tracers/call_tracer_open_ethereum.js | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 816388be94..3ba1c4ebd1 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -74,7 +74,14 @@ if (typeof this.callstack[left-1].calls === "undefined") { this.callstack[left-1].calls = []; } - this.callstack[left-1].calls.push({type: op}); + this.callstack[left-1].calls.push({ + type: op, + from: toHex(log.contract.getAddress()), + to: toHex(toAddress(log.stack.peek(0).toString(16))), + gasIn: log.getGas(), + gasCost: log.getCost(), + value: '0x' + db.getBalance(log.contract.getAddress()).toString(16) + }); return } // If a new method invocation is being done, add to the call stack From 860f0141a496bdc5ef6da3d33e9387faeb79c3bb Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Wed, 14 Oct 2020 22:58:00 +0300 Subject: [PATCH 23/74] tracer: JS better handling of gas and gasUsed (remove the stipend hack) --- .../internal/tracers/call_tracer_open_ethereum.js | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 3ba1c4ebd1..70f5d8a0b2 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -112,10 +112,6 @@ call.value = '0x' + log.stack.peek(2).toString(16); } - // Hacky way to handle the 2300 stipend, this should be handle outside trace most probably - if ((op == 'CALL' || op == 'CALLCODE') && call.input == '0x') { - call.gas = 2300; - } this.callstack.push(call); this.descended = true @@ -158,7 +154,13 @@ } else { // If the call was a contract call, retrieve the gas usage and output if (typeof call.gas !== "undefined") { - call.gasUsed = '0x' + bigInt(call.gasIn - call.gasCost + call.gas - log.getGas()).toString(16); + var gasUsed = bigInt(call.gasIn - call.gasCost + call.gas - log.getGas()); + if (gasUsed.compare(0) >= 0) { + call.gasUsed = '0x' + gasUsed.toString(16); + } + } else { + call.gas = bigInt(call.gasIn - call.gasCost - log.getGas()).abs(); + call.gasUsed = '0x0'; } var ret = log.stack.peek(0); if (!ret.equals(0)) { From 82c221d78c2c17f3d29f1b0d94c33ff42c0c695d Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Wed, 14 Oct 2020 22:58:52 +0300 Subject: [PATCH 24/74] tracer: JS OE compatibility fixes --- .../internal/tracers/call_tracer_open_ethereum.js | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 70f5d8a0b2..4e342f3c83 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -110,6 +110,8 @@ if (op != 'DELEGATECALL' && op != 'STATICCALL') { call.value = '0x' + log.stack.peek(2).toString(16); + } else if (op == 'DELEGATECALL') { + call.value = '0x0'; } @@ -263,7 +265,7 @@ data = this.callResult(call); // update after callResult so as it affects only the root type - if (call.type == "CALLCODE") { + if (call.type == "CALLCODE" || call.type == 'DELEGATECALL' || call.type == 'STATICCALL') { call.type = "CALL"; } } @@ -349,11 +351,11 @@ value: call.value, // Transfered Value gas: call.gas, // Gas input: call.input, // Input data - callType: call.type.toLowerCase(), // The type of the call + callType: call.type.toLowerCase(), // The type of the call }, result: { gasUsed: call.gasUsed, // Gas used - output: call.output, // Output bytes + output: call.output, // Output bytes } } }, @@ -362,7 +364,7 @@ return { action: { address: call.from, // Address - refundAddress: call.to, // Refund address + refundAddress: call.to, // Refund address balance: call.value, // Balance }, result: null From 8c5a41217e6e1adcb8c7606481fa9b614f76e0cb Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Wed, 14 Oct 2020 23:00:11 +0300 Subject: [PATCH 25/74] tracer: JS handle out of gas errors --- .../internal/tracers/call_tracer_open_ethereum.js | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 4e342f3c83..e0fcf7dccf 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -152,6 +152,12 @@ call.output = toHex(db.getCode(toAddress(ret.toString(16)))); } else if (typeof call.error === "undefined") { call.error = "internal failure"; // TODO(karalabe): surface these faults somehow + + if (typeof call.gas !== "undefined" && call.gasUsed === '0x' + bigInt(call.gas).toString(16)) { + call.error = "out of gas"; + } else { + return; + } } } else { // If the call was a contract call, retrieve the gas usage and output @@ -169,6 +175,13 @@ call.output = toHex(log.memory.slice(call.outOff, call.outOff + call.outLen)); } else if (typeof call.error === "undefined") { call.error = "internal failure"; // TODO(karalabe): surface these faults somehow + + if (typeof call.gas !== "undefined" && call.gasUsed === '0x' + bigInt(call.gas).toString(16)) { + call.error = "out of gas"; + } else { + return; + } + } } delete call.gasIn; delete call.gasCost; delete call.outOff; delete call.outLen; @@ -176,6 +189,7 @@ if (typeof call.gas !== "undefined") { call.gas = '0x' + bigInt(call.gas).toString(16); } + // Inject the call into the previous one var left = this.callstack.length; if (typeof this.callstack[left-1].calls === "undefined") { From 05bfa1663cfe33f32cfc589dd22fbff2c0a375db Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Wed, 14 Oct 2020 23:00:48 +0300 Subject: [PATCH 26/74] tracer: JS temp hack for compatibility (to be changed) --- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index e0fcf7dccf..4cd9250e09 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -160,6 +160,8 @@ } } } else { + var what = false; + // If the call was a contract call, retrieve the gas usage and output if (typeof call.gas !== "undefined") { var gasUsed = bigInt(call.gasIn - call.gasCost + call.gas - log.getGas()); @@ -169,7 +171,9 @@ } else { call.gas = bigInt(call.gasIn - call.gasCost - log.getGas()).abs(); call.gasUsed = '0x0'; + what = true; } + var ret = log.stack.peek(0); if (!ret.equals(0)) { call.output = toHex(log.memory.slice(call.outOff, call.outOff + call.outLen)); @@ -182,7 +186,11 @@ return; } } + + if (what) { + call.output = '0x'; } + delete call.gasIn; delete call.gasCost; delete call.outOff; delete call.outLen; } From 791c6014456f2a65eecc949fb8d6a6f635423d9f Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Thu, 15 Oct 2020 01:45:07 +0300 Subject: [PATCH 27/74] tracer: fix handling of op=delegatecall value . --- .../internal/tracers/call_tracer_open_ethereum.js | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 4cd9250e09..382e118e35 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -110,8 +110,6 @@ if (op != 'DELEGATECALL' && op != 'STATICCALL') { call.value = '0x' + log.stack.peek(2).toString(16); - } else if (op == 'DELEGATECALL') { - call.value = '0x0'; } @@ -342,7 +340,14 @@ if (typeof calls !== "undefined") { for (var i=0; i Date: Thu, 15 Oct 2020 01:46:59 +0300 Subject: [PATCH 28/74] tracer: better naming for isDynamicGas variable (still not sure if accurate) --- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 382e118e35..1404fb315d 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -158,7 +158,7 @@ } } } else { - var what = false; + var isDynamicGas = false; // If the call was a contract call, retrieve the gas usage and output if (typeof call.gas !== "undefined") { @@ -169,7 +169,7 @@ } else { call.gas = bigInt(call.gasIn - call.gasCost - log.getGas()).abs(); call.gasUsed = '0x0'; - what = true; + isDynamicGas = true; } var ret = log.stack.peek(0); @@ -185,7 +185,7 @@ } } - if (what) { + if (isDynamicGas) { call.output = '0x'; } From e3fcba6ea86948d14a80e8200e5202198b30d26f Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Thu, 15 Oct 2020 01:54:00 +0300 Subject: [PATCH 29/74] tracer: add more error mappings --- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 1 + 1 file changed, 1 insertion(+) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 1404fb315d..b111b097b2 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -28,6 +28,7 @@ "contract creation code storage out of gas": "Out of gas", "out of gas": "Out of gas", "gas uint64 overflow": "Out of gas", + "max code size exceeded": "Out of gas", "invalid jump destination": "Bad jump destination", "execution reverted": "Reverted", }, From fa1a6b699b0ff6d597572bfb8d599ad4a564919f Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Thu, 15 Oct 2020 01:54:55 +0300 Subject: [PATCH 30/74] tracer: op=CREATE2 to return type=CREATE for OE compatibility --- eth/tracers/internal/tracers/assets.go | 2 +- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/eth/tracers/internal/tracers/assets.go b/eth/tracers/internal/tracers/assets.go index 26e3eea6a9..7df1846823 100644 --- a/eth/tracers/internal/tracers/assets.go +++ b/eth/tracers/internal/tracers/assets.go @@ -146,7 +146,7 @@ func call_tracerJs() (*asset, error) { return a, nil } -var _call_tracer_open_ethereumJs = 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+var _call_tracer_open_ethereumJs = 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func call_tracer_open_ethereumJsBytes() ([]byte, error) { return bindataRead( diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index b111b097b2..a1396ade48 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -279,6 +279,9 @@ var data; if (call.type == "CREATE" || call.type == "CREATE2") { data = this.createResult(call); + + // update after callResult so as it affects only the root type + call.type = "CREATE"; } else if (call.type == "SELFDESTRUCT") { call.type = "SUICIDE"; data = this.suicideResult(call); From 6099dbc86bfa4e81516baa7008a2839e3f9ef01c Mon Sep 17 00:00:00 2001 From: meows Date: Thu, 15 Oct 2020 09:19:01 -0500 Subject: [PATCH 31/74] eth: clean ineffectual assigns re: OE tracer config setting The function setConfigTracerToOpenEthereum mutates the provided config value by pointer. Signed-off-by: meows --- eth/api_tracer_oe.go | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/eth/api_tracer_oe.go b/eth/api_tracer_oe.go index 2c56e9c042..cb7ea2accc 100644 --- a/eth/api_tracer_oe.go +++ b/eth/api_tracer_oe.go @@ -50,7 +50,7 @@ type TraceRewardAction struct { RewardType string `json:"rewardType,omitempty"` } -// setConfigTracerToOpenEthereum forces the Tracer to the OpenEthereum one +// setConfigTracerToOpenEthereum forces the Tracer to the OpenEthereum one, mutating the argument value. func setConfigTracerToOpenEthereum(config *TraceConfig) *TraceConfig { if config == nil { config = &TraceConfig{} @@ -172,12 +172,12 @@ func (api *PrivateTraceAPI) Block(ctx context.Context, number rpc.BlockNumber, c // Transaction returns the structured logs created during the execution of EVM // and returns them as a JSON object. func (api *PrivateTraceAPI) Transaction(ctx context.Context, hash common.Hash, config *TraceConfig) (interface{}, error) { - config = setConfigTracerToOpenEthereum(config) + setConfigTracerToOpenEthereum(config) return traceTransaction(ctx, api.eth, hash, config) } func (api *PrivateTraceAPI) Filter(ctx context.Context, args ethapi.CallArgs, config *TraceConfig) ([]*txTraceResult, error) { - config = setConfigTracerToOpenEthereum(config) + setConfigTracerToOpenEthereum(config) fmt.Printf("args: %#v\n", args) return nil, nil } From d1b01a977fe3f836e2df718212c57a187a09bbe9 Mon Sep 17 00:00:00 2001 From: meows Date: Thu, 15 Oct 2020 09:19:56 -0500 Subject: [PATCH 32/74] eth: (lint) remove unnecessary type conversion Signed-off-by: meows --- eth/api_tracer.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/eth/api_tracer.go b/eth/api_tracer.go index 83c168bef1..66314c0bd2 100644 --- a/eth/api_tracer.go +++ b/eth/api_tracer.go @@ -753,7 +753,7 @@ func traceTransaction(ctx context.Context, eth *Ethereum, hash common.Hash, conf "blockNumber": block.NumberU64(), "blockHash": blockHash.Hex(), "transactionHash": tx.Hash().Hex(), - "transactionPosition": uint64(index), + "transactionPosition": index, } // Trace the transaction and return From 14a05d243d63edb6284c7179bd729c9534a726fb Mon Sep 17 00:00:00 2001 From: meows Date: Thu, 15 Oct 2020 09:21:16 -0500 Subject: [PATCH 33/74] eth: (lint:gosimple) replace iterating assign with variadic append Signed-off-by: meows --- eth/api_tracer_oe.go | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/eth/api_tracer_oe.go b/eth/api_tracer_oe.go index cb7ea2accc..83191a00b4 100644 --- a/eth/api_tracer_oe.go +++ b/eth/api_tracer_oe.go @@ -155,9 +155,7 @@ func (api *PrivateTraceAPI) Block(ctx context.Context, number rpc.BlockNumber, c if err := json.Unmarshal(result.Result.(json.RawMessage), &tmp); err != nil { return nil, err } - for _, item := range tmp { - results = append(results, item) - } + results = append(results, tmp...) } results = append(results, traceReward) From 582c97a93a2a2887e4d8e7051a1c69b88e5efc03 Mon Sep 17 00:00:00 2001 From: meows Date: Thu, 15 Oct 2020 09:25:22 -0500 Subject: [PATCH 34/74] main: add 'trace:1.0' to console test This module is added, and the test fails because it has not been update to include the addition to expected IPC APIs. This fixes that. Signed-off-by: meows --- cmd/geth/consolecmd_test.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/cmd/geth/consolecmd_test.go b/cmd/geth/consolecmd_test.go index 067eee2f23..b2aed43bc1 100644 --- a/cmd/geth/consolecmd_test.go +++ b/cmd/geth/consolecmd_test.go @@ -32,7 +32,7 @@ import ( ) const ( - ipcAPIs = "admin:1.0 debug:1.0 eth:1.0 ethash:1.0 miner:1.0 net:1.0 personal:1.0 rpc:1.0 txpool:1.0 web3:1.0" + ipcAPIs = "admin:1.0 debug:1.0 eth:1.0 ethash:1.0 miner:1.0 net:1.0 personal:1.0 rpc:1.0 trace:1.0 txpool:1.0 web3:1.0" httpAPIs = "eth:1.0 net:1.0 rpc:1.0 web3:1.0" ) From 69d7e09ae8b6d41889de30d328b48ffdecbe4469 Mon Sep 17 00:00:00 2001 From: meows Date: Thu, 15 Oct 2020 10:04:56 -0500 Subject: [PATCH 35/74] eth: add benchmarking test for slice append patterns Rel to an interesting comment https://github.com/etclabscore/core-geth/pull/211#pullrequestreview-509441839 This is likely NOT a very important performance comparison, since the result values are of limited length and tracing is expected to be asyncronous to client/chain import. But interesting, anyways. Signed-off-by: meows --- eth/api_tracer_oe_test.go | 41 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 eth/api_tracer_oe_test.go diff --git a/eth/api_tracer_oe_test.go b/eth/api_tracer_oe_test.go new file mode 100644 index 0000000000..af98d9ad0e --- /dev/null +++ b/eth/api_tracer_oe_test.go @@ -0,0 +1,41 @@ +package eth + +import ( + "testing" +) + +// BenchmarkTraceResultsAppend1 compares performance against BenchmarkTraceResultsAppend2, +// comparing the performance of different ways of appending items to slices. +// This is used in PrivateTraceAPI#Block appending results to the traceResults value. +func BenchmarkTraceResultsAppend1(b *testing.B) { + traceResults := []interface{}{} + for i := 0; i < 10000; i++ { + traceResults = append(traceResults, i) + } + + b.ResetTimer() + + for i := 0; i < b.N; i++ { + // results := make([]interface{}, len(traceResults)) + results := []interface{}{} + for _, it := range traceResults { + results = append(results, it) + } + } +} + +// BenchmarkTraceResultsAppend2 (see comment for BenchmarkTraceResultsAppend1). +func BenchmarkTraceResultsAppend2(b *testing.B) { + traceResults := []interface{}{} + for i := 0; i < 10000; i++ { + traceResults = append(traceResults, i) + } + + b.ResetTimer() + + for i := 0; i < b.N; i++ { + // results := make([]interface{}, len(traceResults)) + results := []interface{}{} + results = append(results, traceResults...) + } +} From c0a40fd58023d9169df58bfbcc1e4acf88451a72 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Mon, 19 Oct 2020 10:16:55 +0300 Subject: [PATCH 36/74] tracer: remove unused OpenEthereumTrace fields We use OpenEthereumTrace only to trace block rewards for now --- eth/api_tracer_oe.go | 22 +++++++--------------- 1 file changed, 7 insertions(+), 15 deletions(-) diff --git a/eth/api_tracer_oe.go b/eth/api_tracer_oe.go index 83191a00b4..31866dd791 100644 --- a/eth/api_tracer_oe.go +++ b/eth/api_tracer_oe.go @@ -31,16 +31,11 @@ import ( // OpenEthereumTrace A trace in the desired format (Parity/OpenEtherum) See: https://openethereum.github.io/wiki/JSONRPC-trace-module type OpenEthereumTrace struct { - Action TraceRewardAction `json:"action"` - BlockHash *common.Hash `json:"blockHash"` - BlockNumber uint64 `json:"blockNumber"` - Error string `json:"error,omitempty"` - Result interface{} `json:"result"` - Subtraces int `json:"subtraces"` - TraceAddress []int `json:"traceAddress"` - TransactionHash *common.Hash `json:"transactionHash"` - TransactionPosition *uint64 `json:"transactionPosition"` - Type string `json:"type"` + Action TraceRewardAction `json:"action"` + BlockHash common.Hash `json:"blockHash"` + BlockNumber uint64 `json:"blockNumber"` + TraceAddress []int `json:"traceAddress"` + Type string `json:"type"` } // TraceRewardAction An OpenEthereum formatted trace reward action @@ -66,7 +61,6 @@ func traceBlockReward(ctx context.Context, eth *Ethereum, block *types.Block, co minerReward, _ := ethash.AccumulateRewards(chainConfig, block.Header(), block.Uncles()) coinbase := block.Coinbase() - blockHash := block.Hash() tr := &OpenEthereumTrace{ Type: "reward", @@ -76,7 +70,7 @@ func traceBlockReward(ctx context.Context, eth *Ethereum, block *types.Block, co RewardType: "block", }, TraceAddress: []int{}, - BlockHash: &blockHash, + BlockHash: block.Hash(), BlockNumber: block.NumberU64(), } @@ -87,8 +81,6 @@ func traceBlockUncleRewards(ctx context.Context, eth *Ethereum, block *types.Blo chainConfig := eth.blockchain.Config() _, uncleRewards := ethash.AccumulateRewards(chainConfig, block.Header(), block.Uncles()) - blockHash := block.Hash() - results := make([]*OpenEthereumTrace, len(uncleRewards)) for i, uncle := range block.Uncles() { if i < len(uncleRewards) { @@ -103,7 +95,7 @@ func traceBlockUncleRewards(ctx context.Context, eth *Ethereum, block *types.Blo }, TraceAddress: []int{}, BlockNumber: block.NumberU64(), - BlockHash: &blockHash, + BlockHash: block.Hash(), } } } From 0801f657dceec86c17b5d1519b9916267c2bfb4d Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Mon, 19 Oct 2020 19:54:01 +0300 Subject: [PATCH 37/74] tracer: JS cleanup --- .../tracers/call_tracer_open_ethereum.js | 28 +++++++++---------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index a1396ade48..79ce6f4be5 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -52,7 +52,7 @@ var op = log.op.toString(); } // If a new contract is being created, add to the call stack - if (syscall && (op == 'CREATE' || op == "CREATE2")) { + if (syscall && (op == "CREATE" || op == "CREATE2")) { var inOff = log.stack.peek(1).valueOf(); var inEnd = inOff + log.stack.peek(2).valueOf(); @@ -63,14 +63,14 @@ input: toHex(log.memory.slice(inOff, inEnd)), gasIn: log.getGas(), gasCost: log.getCost(), - value: '0x' + log.stack.peek(0).toString(16) + value: "0x" + log.stack.peek(0).toString(16) }; this.callstack.push(call); - this.descended = true + this.descended = true; return; } // If a contract is being self destructed, gather that as a subcall too - if (syscall && op == 'SELFDESTRUCT') { + if (syscall && op == "SELFDESTRUCT") { var left = this.callstack.length; if (typeof this.callstack[left-1].calls === "undefined") { this.callstack[left-1].calls = []; @@ -81,18 +81,18 @@ to: toHex(toAddress(log.stack.peek(0).toString(16))), gasIn: log.getGas(), gasCost: log.getCost(), - value: '0x' + db.getBalance(log.contract.getAddress()).toString(16) + value: "0x" + db.getBalance(log.contract.getAddress()).toString(16) }); - return + return; } // If a new method invocation is being done, add to the call stack - if (syscall && (op == 'CALL' || op == 'CALLCODE' || op == 'DELEGATECALL' || op == 'STATICCALL')) { + if (syscall && (op == "CALL" || op == "CALLCODE" || op == "DELEGATECALL" || op == "STATICCALL")) { // Skip any pre-compile invocations, those are just fancy opcodes var to = toAddress(log.stack.peek(1).toString(16)); if (isPrecompiled(to)) { return } - var off = (op == 'DELEGATECALL' || op == 'STATICCALL' ? 0 : 1); + var off = (op == "DELEGATECALL" || op == "STATICCALL" ? 0 : 1); var inOff = log.stack.peek(2 + off).valueOf(); var inEnd = inOff + log.stack.peek(3 + off).valueOf(); @@ -109,13 +109,13 @@ outLen: log.stack.peek(5 + off).valueOf() }; - if (op != 'DELEGATECALL' && op != 'STATICCALL') { - call.value = '0x' + log.stack.peek(2).toString(16); - } + if (op != "DELEGATECALL" && op != "STATICCALL") { + call.value = "0x" + log.stack.peek(2).toString(16); + } this.callstack.push(call); - this.descended = true + this.descended = true; return; } // If we've just descended into an inner call, retrieve it's true allowance. We @@ -132,7 +132,7 @@ this.descended = false; } // If an existing call is returning, pop off the call stack - if (syscall && op == 'REVERT') { + if (syscall && op == "REVERT") { this.callstack[this.callstack.length - 1].error = "execution reverted"; return; } @@ -289,7 +289,7 @@ data = this.callResult(call); // update after callResult so as it affects only the root type - if (call.type == "CALLCODE" || call.type == 'DELEGATECALL' || call.type == 'STATICCALL') { + if (call.type == "CALLCODE" || call.type == "DELEGATECALL" || call.type == "STATICCALL") { call.type = "CALL"; } } From da163f97bb1f46427c30d740820c6809f487e289 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Mon, 19 Oct 2020 19:56:35 +0300 Subject: [PATCH 38/74] tracer: Set value=0x0 for op=STATICCALL --- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 2 ++ 1 file changed, 2 insertions(+) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 79ce6f4be5..70bed4bd7f 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -112,6 +112,8 @@ if (op != "DELEGATECALL" && op != "STATICCALL") { call.value = "0x" + log.stack.peek(2).toString(16); + } else if (op == "STATICCALL") { + call.value = "0x0"; } this.callstack.push(call); From 0119efdaee169ef5f74ad97557ec82b8cc942f5c Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Mon, 19 Oct 2020 19:58:30 +0300 Subject: [PATCH 39/74] tracer: JS handle output based on op=RETURN --- .../internal/tracers/call_tracer_open_ethereum.js | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 70bed4bd7f..6985aed91b 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -138,6 +138,12 @@ this.callstack[this.callstack.length - 1].error = "execution reverted"; return; } + if (syscall && op == "RETURN") { + var outOff = log.stack.peek(0).valueOf(); + var outLen = log.stack.peek(1).valueOf(); + + this.callstack[this.callstack.length - 1].output = toHex(log.memory.slice(outOff, outOff + outLen)); + return; if (log.getDepth() == this.callstack.length - 1) { // Pop off the last call and get the execution results var call = this.callstack.pop(); @@ -150,7 +156,6 @@ var ret = log.stack.peek(0); if (!ret.equals(0)) { call.to = toHex(toAddress(ret.toString(16))); - call.output = toHex(db.getCode(toAddress(ret.toString(16)))); } else if (typeof call.error === "undefined") { call.error = "internal failure"; // TODO(karalabe): surface these faults somehow @@ -176,9 +181,7 @@ } var ret = log.stack.peek(0); - if (!ret.equals(0)) { - call.output = toHex(log.memory.slice(call.outOff, call.outOff + call.outLen)); - } else if (typeof call.error === "undefined") { + if (ret.equals(0) && typeof call.error === "undefined") { call.error = "internal failure"; // TODO(karalabe): surface these faults somehow if (typeof call.gas !== "undefined" && call.gasUsed === '0x' + bigInt(call.gas).toString(16)) { From 64d05c9913fd9c003cb9d4d143526d8e220fb0a2 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Mon, 19 Oct 2020 19:59:29 +0300 Subject: [PATCH 40/74] tracer: JS remove the uneeded isDynamic check on gas --- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 6985aed91b..0864f75e3d 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -166,7 +166,6 @@ } } } else { - var isDynamicGas = false; // If the call was a contract call, retrieve the gas usage and output if (typeof call.gas !== "undefined") { @@ -177,7 +176,6 @@ } else { call.gas = bigInt(call.gasIn - call.gasCost - log.getGas()).abs(); call.gasUsed = '0x0'; - isDynamicGas = true; } var ret = log.stack.peek(0); @@ -191,7 +189,7 @@ } } - if (isDynamicGas) { + if (typeof call.output === "undefined") { call.output = '0x'; } From 75a90fac0fc7911aecef07c02a9190116a1cfba4 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Mon, 19 Oct 2020 20:00:38 +0300 Subject: [PATCH 41/74] =?UTF-8?q?tracer:=20JS=20on=20=E2=80=9Cout=20of=20g?= =?UTF-8?q?as=E2=80=9D=20Failure=20set=20gas=3D0x0?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 2 ++ 1 file changed, 2 insertions(+) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 0864f75e3d..afa112e451 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -223,6 +223,8 @@ if (typeof call.gas !== "undefined") { call.gas = '0x' + bigInt(call.gas).toString(16); call.gasUsed = call.gas + } else if (call.error === "out of gas") { + call.gas = "0x0"; } delete call.gasIn; delete call.gasCost; delete call.outOff; delete call.outLen; From d604f32e7132c725985b9f9a2d227894227beefd Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Wed, 21 Oct 2020 23:53:33 +0300 Subject: [PATCH 42/74] tracer: JS fix --- eth/tracers/internal/tracers/assets.go | 2 +- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/eth/tracers/internal/tracers/assets.go b/eth/tracers/internal/tracers/assets.go index 7df1846823..acdbfa783f 100644 --- a/eth/tracers/internal/tracers/assets.go +++ b/eth/tracers/internal/tracers/assets.go @@ -146,7 +146,7 @@ func call_tracerJs() (*asset, error) { return a, nil } -var _call_tracer_open_ethereumJs = 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+var _call_tracer_open_ethereumJs = 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func call_tracer_open_ethereumJsBytes() ([]byte, error) { return bindataRead( diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index afa112e451..5efa9bc680 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -144,6 +144,7 @@ this.callstack[this.callstack.length - 1].output = toHex(log.memory.slice(outOff, outOff + outLen)); return; + } if (log.getDepth() == this.callstack.length - 1) { // Pop off the last call and get the execution results var call = this.callstack.pop(); From fc900c035d6f1b383e600c921e9c57447e255004 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Thu, 22 Oct 2020 00:00:04 +0300 Subject: [PATCH 43/74] tracer: revert remove unused OpenEthereumTrace fields --- eth/api_tracer_oe.go | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/eth/api_tracer_oe.go b/eth/api_tracer_oe.go index 31866dd791..7144cfbc11 100644 --- a/eth/api_tracer_oe.go +++ b/eth/api_tracer_oe.go @@ -31,11 +31,16 @@ import ( // OpenEthereumTrace A trace in the desired format (Parity/OpenEtherum) See: https://openethereum.github.io/wiki/JSONRPC-trace-module type OpenEthereumTrace struct { - Action TraceRewardAction `json:"action"` - BlockHash common.Hash `json:"blockHash"` - BlockNumber uint64 `json:"blockNumber"` - TraceAddress []int `json:"traceAddress"` - Type string `json:"type"` + Action TraceRewardAction `json:"action"` + BlockHash common.Hash `json:"blockHash"` + BlockNumber uint64 `json:"blockNumber"` + Error string `json:"error,omitempty"` + Result interface{} `json:"result"` + Subtraces int `json:"subtraces"` + TraceAddress []int `json:"traceAddress"` + TransactionHash *common.Hash `json:"transactionHash"` + TransactionPosition *uint64 `json:"transactionPosition"` + Type string `json:"type"` } // TraceRewardAction An OpenEthereum formatted trace reward action From 0d757e0e42fef10d648767604188ed1439907f51 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Thu, 22 Oct 2020 00:04:07 +0300 Subject: [PATCH 44/74] =?UTF-8?q?tracer:=20JS=20OE=20handle=20=E2=80=9Cret?= =?UTF-8?q?urn=20data=20out=20of=20bounds=E2=80=9D?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 1 + 1 file changed, 1 insertion(+) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 5efa9bc680..a5fb0e74c1 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -31,6 +31,7 @@ "max code size exceeded": "Out of gas", "invalid jump destination": "Bad jump destination", "execution reverted": "Reverted", + "return data out of bounds": "Out of bounds", }, oeErrorMappingStartingWith: { From 06a14f60bfad59732a5840ba09afc8a367dc6476 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Thu, 22 Oct 2020 00:08:12 +0300 Subject: [PATCH 45/74] tracer: JS OE on fault, try to get gas from inner calls --- .../internal/tracers/call_tracer_open_ethereum.js | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index a5fb0e74c1..305874e01d 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -225,7 +225,14 @@ if (typeof call.gas !== "undefined") { call.gas = '0x' + bigInt(call.gas).toString(16); call.gasUsed = call.gas - } else if (call.error === "out of gas") { + } else { + // Retrieve gas true allowance from the inner call. + // We need to extract if from within the call as there may be funky gas dynamics + // with regard to requested and actually given gas (2300 stipend, 63/64 rule). + call.gas = '0x' + bigInt(log.getGas()).toString(16); + } + + if (call.error === "out of gas" && typeof call.gas === "undefined") { call.gas = "0x0"; } delete call.gasIn; delete call.gasCost; From 44208e2de9153017bb4ea2bd5adc82cf26577d7a Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Thu, 22 Oct 2020 00:09:53 +0300 Subject: [PATCH 46/74] Revert "eth: clean ineffectual assigns re: OE tracer config setting" This reverts commit 6099dbc86bfa4e81516baa7008a2839e3f9ef01c. --- eth/api_tracer_oe.go | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/eth/api_tracer_oe.go b/eth/api_tracer_oe.go index 7144cfbc11..3865f62a3f 100644 --- a/eth/api_tracer_oe.go +++ b/eth/api_tracer_oe.go @@ -50,7 +50,7 @@ type TraceRewardAction struct { RewardType string `json:"rewardType,omitempty"` } -// setConfigTracerToOpenEthereum forces the Tracer to the OpenEthereum one, mutating the argument value. +// setConfigTracerToOpenEthereum forces the Tracer to the OpenEthereum one func setConfigTracerToOpenEthereum(config *TraceConfig) *TraceConfig { if config == nil { config = &TraceConfig{} @@ -167,12 +167,12 @@ func (api *PrivateTraceAPI) Block(ctx context.Context, number rpc.BlockNumber, c // Transaction returns the structured logs created during the execution of EVM // and returns them as a JSON object. func (api *PrivateTraceAPI) Transaction(ctx context.Context, hash common.Hash, config *TraceConfig) (interface{}, error) { - setConfigTracerToOpenEthereum(config) + config = setConfigTracerToOpenEthereum(config) return traceTransaction(ctx, api.eth, hash, config) } func (api *PrivateTraceAPI) Filter(ctx context.Context, args ethapi.CallArgs, config *TraceConfig) ([]*txTraceResult, error) { - setConfigTracerToOpenEthereum(config) + config = setConfigTracerToOpenEthereum(config) fmt.Printf("args: %#v\n", args) return nil, nil } From c32bcd6abab903642b5f278fe0e68b832c2a5756 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Thu, 29 Oct 2020 22:30:03 +0200 Subject: [PATCH 47/74] core/vm: track 63/64 call gas off stack Apply logic from commit hash be12392fbad9f4a861130a347e6bcf07a5c34974 to CREATE and CREATE2 opcodes. Gas calculations in gasCall* relayed the available gas for calls by replacing it on the stack. This lead to inconsistent traces, which we papered over by copying the pre-execution stack in trace mode. This change relays available gas using a temporary variable, off the stack, and allows removing the weird copy. --- core/vm/gas_table.go | 27 ++++++++++++++++++++++++++- core/vm/instructions.go | 11 ++--------- 2 files changed, 28 insertions(+), 10 deletions(-) diff --git a/core/vm/gas_table.go b/core/vm/gas_table.go index 348e2b7103..b3799775b3 100644 --- a/core/vm/gas_table.go +++ b/core/vm/gas_table.go @@ -22,6 +22,7 @@ import ( "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/common/math" "github.com/ethereum/go-ethereum/params/vars" + "github.com/holiman/uint256" ) // memoryGasCost calculates the quadratic gas for memory expansion. It does so @@ -283,9 +284,26 @@ var ( gasMLoad = pureMemoryGascost gasMStore8 = pureMemoryGascost gasMStore = pureMemoryGascost - gasCreate = pureMemoryGascost ) +func gasCreate(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) { + var ( + overflow bool + ) + gas, err := memoryGasCost(mem, memorySize) + if err != nil { + return 0, err + } + evm.callGasTemp, err = callGas(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), contract.Gas, gas, new(uint256.Int).SetUint64(contract.Gas)) + if err != nil { + return 0, err + } + if gas, overflow = math.SafeAdd(gas, evm.callGasTemp); overflow { + return 0, ErrGasUintOverflow + } + return gas, nil +} + func gasCreate2(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) { gas, err := memoryGasCost(mem, memorySize) if err != nil { @@ -301,6 +319,13 @@ func gasCreate2(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memoryS if gas, overflow = math.SafeAdd(gas, wordGas); overflow { return 0, ErrGasUintOverflow } + evm.callGasTemp, err = callGas(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), contract.Gas, gas, new(uint256.Int).SetUint64(contract.Gas)) + if err != nil { + return 0, err + } + if gas, overflow = math.SafeAdd(gas, evm.callGasTemp); overflow { + return 0, ErrGasUintOverflow + } return gas, nil } diff --git a/core/vm/instructions.go b/core/vm/instructions.go index 5562f752c3..fceb3748b9 100644 --- a/core/vm/instructions.go +++ b/core/vm/instructions.go @@ -599,11 +599,8 @@ func opCreate(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([] value = callContext.stack.pop() offset, size = callContext.stack.pop(), callContext.stack.pop() input = callContext.memory.GetCopy(int64(offset.Uint64()), int64(size.Uint64())) - gas = callContext.contract.Gas + gas = interpreter.evm.callGasTemp ) - if interpreter.evm.ChainConfig().IsEnabled(interpreter.evm.chainConfig.GetEIP150Transition, interpreter.evm.BlockNumber) { - gas -= gas / 64 - } // reuse size int for stackvalue stackvalue := size @@ -641,12 +638,8 @@ func opCreate2(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([ offset, size = callContext.stack.pop(), callContext.stack.pop() salt = callContext.stack.pop() input = callContext.memory.GetCopy(int64(offset.Uint64()), int64(size.Uint64())) - gas = callContext.contract.Gas + gas = interpreter.evm.callGasTemp ) - - // Apply EIP150 - gas -= gas / 64 - callContext.contract.UseGas(gas) // reuse size int for stackvalue stackvalue := size //TODO: use uint256.Int instead of converting with toBig() From d9de8f30de8581d76284f19c80d392617c02f390 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Sat, 31 Oct 2020 20:06:10 +0200 Subject: [PATCH 48/74] tracer: pass the true available gas for an opcode call in CaptureState --- core/vm/interpreter.go | 16 ++++++++++------ core/vm/logger.go | 6 +++--- core/vm/logger_json.go | 2 +- core/vm/logger_test.go | 2 +- core/vm/runtime/runtime_test.go | 4 ++-- eth/tracers/tracer.go | 2 +- eth/tracers/tracer_test.go | 4 ++-- 7 files changed, 20 insertions(+), 16 deletions(-) diff --git a/core/vm/interpreter.go b/core/vm/interpreter.go index e61d69cd24..2aa04a8e25 100644 --- a/core/vm/interpreter.go +++ b/core/vm/interpreter.go @@ -160,10 +160,11 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) ( pc = uint64(0) // program counter cost uint64 // copies used by tracer - pcCopy uint64 // needed for the deferred Tracer - gasCopy uint64 // for Tracer to log gas remaining before execution - logged bool // deferred Tracer should ignore already logged steps - res []byte // result of the opcode execution function + pcCopy uint64 // needed for the deferred Tracer + gasCopy uint64 // for Tracer to log gas remaining before execution + availableGasCopy uint64 // for Tracer to log gas available for the current call + logged bool // deferred Tracer should ignore already logged steps + res []byte // result of the opcode execution function ) // Don't move this deferrred function, it's placed before the capturestate-deferred method, // so that it get's executed _after_: the capturestate needs the stacks before @@ -178,7 +179,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) ( defer func() { if err != nil { if !logged { - in.cfg.Tracer.CaptureState(in.evm, pcCopy, op, gasCopy, cost, mem, stack, returns, in.returnData, contract, in.evm.depth, err) + in.cfg.Tracer.CaptureState(in.evm, pcCopy, op, gasCopy, availableGasCopy, cost, mem, stack, returns, in.returnData, contract, in.evm.depth, err) } else { in.cfg.Tracer.CaptureFault(in.evm, pcCopy, op, gasCopy, cost, mem, stack, returns, contract, in.evm.depth, err) } @@ -249,6 +250,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) ( // Dynamic portion of gas // consume the gas and return an error if not enough gas is available. // cost is explicitly set so that the capture state defer method can get the proper cost + availableGasCopy = 0 if operation.dynamicGas != nil { var dynamicCost uint64 dynamicCost, err = operation.dynamicGas(in.evm, contract, stack, mem, memorySize) @@ -256,13 +258,15 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) ( if err != nil || !contract.UseGas(dynamicCost) { return nil, ErrOutOfGas } + // Available gas for this call, must be called after operation.dynamicGas. For debug tracing + availableGasCopy = in.evm.callGasTemp } if memorySize > 0 { mem.Resize(memorySize) } if in.cfg.Debug { - in.cfg.Tracer.CaptureState(in.evm, pc, op, gasCopy, cost, mem, stack, returns, in.returnData, contract, in.evm.depth, err) + in.cfg.Tracer.CaptureState(in.evm, pc, op, gasCopy, availableGasCopy, cost, mem, stack, returns, in.returnData, contract, in.evm.depth, err) logged = true } diff --git a/core/vm/logger.go b/core/vm/logger.go index e1d7c67ef1..8c9ac331d8 100644 --- a/core/vm/logger.go +++ b/core/vm/logger.go @@ -106,7 +106,7 @@ func (s *StructLog) ErrorString() string { // if you need to retain them beyond the current call. type Tracer interface { CaptureStart(from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) error - CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error + CaptureState(env *EVM, pc uint64, op OpCode, gas, availableGas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error CaptureFault(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, contract *Contract, depth int, err error) error CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) error } @@ -144,7 +144,7 @@ func (l *StructLogger) CaptureStart(from common.Address, to common.Address, crea // CaptureState logs a new structured log message and pushes it out to the environment // // CaptureState also tracks SLOAD/SSTORE ops to track storage change. -func (l *StructLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error { +func (l *StructLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, availableGas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error { // check if already accumulated the specified number of logs if l.cfg.Limit != 0 && l.cfg.Limit <= len(l.logs) { return errTraceLimitReached @@ -319,7 +319,7 @@ func (t *mdLogger) CaptureStart(from common.Address, to common.Address, create b return nil } -func (t *mdLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error { +func (t *mdLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, availableGas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error { fmt.Fprintf(t.out, "| %4d | %10v | %3d |", pc, op, cost) if !t.cfg.DisableStack { // format stack diff --git a/core/vm/logger_json.go b/core/vm/logger_json.go index 5f3f2c42f7..a666c14fe5 100644 --- a/core/vm/logger_json.go +++ b/core/vm/logger_json.go @@ -46,7 +46,7 @@ func (l *JSONLogger) CaptureStart(from common.Address, to common.Address, create } // CaptureState outputs state information on the logger. -func (l *JSONLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error { +func (l *JSONLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, availableGas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error { log := StructLog{ Pc: pc, Op: op, diff --git a/core/vm/logger_test.go b/core/vm/logger_test.go index e287f0c7aa..bbb3ae60f1 100644 --- a/core/vm/logger_test.go +++ b/core/vm/logger_test.go @@ -61,7 +61,7 @@ func TestStoreCapture(t *testing.T) { stack.push(uint256.NewInt().SetUint64(1)) stack.push(uint256.NewInt()) var index common.Hash - logger.CaptureState(env, 0, SSTORE, 0, 0, mem, stack, rstack, nil, contract, 0, nil) + logger.CaptureState(env, 0, SSTORE, 0, 0, 0, mem, stack, rstack, nil, contract, 0, nil) if len(logger.storage[contract.Address()]) == 0 { t.Fatalf("expected exactly 1 changed value on address %x, got %d", contract.Address(), len(logger.storage[contract.Address()])) } diff --git a/core/vm/runtime/runtime_test.go b/core/vm/runtime/runtime_test.go index ec16d5a74c..c146a0a687 100644 --- a/core/vm/runtime/runtime_test.go +++ b/core/vm/runtime/runtime_test.go @@ -330,10 +330,10 @@ func (s *stepCounter) CaptureStart(from common.Address, to common.Address, creat return nil } -func (s *stepCounter) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost uint64, memory *vm.Memory, stack *vm.Stack, rStack *vm.ReturnStack, rData []byte, contract *vm.Contract, depth int, err error) error { +func (s *stepCounter) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, availableGas, cost uint64, memory *vm.Memory, stack *vm.Stack, rStack *vm.ReturnStack, rData []byte, contract *vm.Contract, depth int, err error) error { s.steps++ // Enable this for more output - //s.inner.CaptureState(env, pc, op, gas, cost, memory, stack, rStack, contract, depth, err) + //s.inner.CaptureState(env, pc, op, gas, availableGas, cost, memory, stack, rStack, contract, depth, err) return nil } diff --git a/eth/tracers/tracer.go b/eth/tracers/tracer.go index fef1ce8670..fe7c018584 100644 --- a/eth/tracers/tracer.go +++ b/eth/tracers/tracer.go @@ -549,7 +549,7 @@ func (jst *Tracer) CaptureExtraContext(inputs map[string]interface{}) error { } // CaptureState implements the Tracer interface to trace a single step of VM execution. -func (jst *Tracer) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost uint64, memory *vm.Memory, stack *vm.Stack, rStack *vm.ReturnStack, rdata []byte, contract *vm.Contract, depth int, err error) error { +func (jst *Tracer) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, availableGas, cost uint64, memory *vm.Memory, stack *vm.Stack, rStack *vm.ReturnStack, rdata []byte, contract *vm.Contract, depth int, err error) error { if jst.err == nil { // Initialize the context if it wasn't done yet if !jst.inited { diff --git a/eth/tracers/tracer_test.go b/eth/tracers/tracer_test.go index b4de998651..651a086074 100644 --- a/eth/tracers/tracer_test.go +++ b/eth/tracers/tracer_test.go @@ -169,10 +169,10 @@ func TestHaltBetweenSteps(t *testing.T) { env := vm.NewEVM(vm.Context{BlockNumber: big.NewInt(1)}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Debug: true, Tracer: tracer}) contract := vm.NewContract(&account{}, &account{}, big.NewInt(0), 0) - tracer.CaptureState(env, 0, 0, 0, 0, nil, nil, nil, nil, contract, 0, nil) + tracer.CaptureState(env, 0, 0, 0, 0, 0, nil, nil, nil, nil, contract, 0, nil) timeout := errors.New("stahp") tracer.Stop(timeout) - tracer.CaptureState(env, 0, 0, 0, 0, nil, nil, nil, nil, contract, 0, nil) + tracer.CaptureState(env, 0, 0, 0, 0, 0, nil, nil, nil, nil, contract, 0, nil) if _, err := tracer.GetResult(); err.Error() != timeout.Error() { t.Errorf("Expected timeout error, got %v", err) From b78b08fcfef0830555af412dead65e31510562c6 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Sat, 31 Oct 2020 22:34:44 +0200 Subject: [PATCH 49/74] tracer/js: extend JS log tracer with getAvailableGas per call --- eth/tracers/tracer.go | 42 ++++++++++++++++++++++++------------------ 1 file changed, 24 insertions(+), 18 deletions(-) diff --git a/eth/tracers/tracer.go b/eth/tracers/tracer.go index fe7c018584..4af48ad1c2 100644 --- a/eth/tracers/tracer.go +++ b/eth/tracers/tracer.go @@ -300,12 +300,13 @@ type Tracer struct { contractWrapper *contractWrapper // Wrapper around the contract object dbWrapper *dbWrapper // Wrapper around the VM environment - pcValue *uint // Swappable pc value wrapped by a log accessor - gasValue *uint // Swappable gas value wrapped by a log accessor - costValue *uint // Swappable cost value wrapped by a log accessor - depthValue *uint // Swappable depth value wrapped by a log accessor - errorValue *string // Swappable error value wrapped by a log accessor - refundValue *uint // Swappable refund value wrapped by a log accessor + pcValue *uint // Swappable pc value wrapped by a log accessor + gasValue *uint // Swappable gas value wrapped by a log accessor + availableGasValue *uint // Swappable gas value wrapped by a log accessor + costValue *uint // Swappable cost value wrapped by a log accessor + depthValue *uint // Swappable depth value wrapped by a log accessor + errorValue *string // Swappable error value wrapped by a log accessor + refundValue *uint // Swappable refund value wrapped by a log accessor ctx map[string]interface{} // Transaction context gathered throughout execution err error // Error, if one has occurred @@ -323,18 +324,19 @@ func New(code string) (*Tracer, error) { code = tracer } tracer := &Tracer{ - vm: duktape.New(), - ctx: make(map[string]interface{}), - opWrapper: new(opWrapper), - stackWrapper: new(stackWrapper), - memoryWrapper: new(memoryWrapper), - contractWrapper: new(contractWrapper), - dbWrapper: new(dbWrapper), - pcValue: new(uint), - gasValue: new(uint), - costValue: new(uint), - depthValue: new(uint), - refundValue: new(uint), + vm: duktape.New(), + ctx: make(map[string]interface{}), + opWrapper: new(opWrapper), + stackWrapper: new(stackWrapper), + memoryWrapper: new(memoryWrapper), + contractWrapper: new(contractWrapper), + dbWrapper: new(dbWrapper), + pcValue: new(uint), + gasValue: new(uint), + availableGasValue: new(uint), + costValue: new(uint), + depthValue: new(uint), + refundValue: new(uint), } // Set up builtins for this environment tracer.vm.PushGlobalGoFunction("toHex", func(ctx *duktape.Context) int { @@ -470,6 +472,9 @@ func New(code string) (*Tracer, error) { tracer.vm.PushGoFunction(func(ctx *duktape.Context) int { ctx.PushUint(*tracer.gasValue); return 1 }) tracer.vm.PutPropString(logObject, "getGas") + tracer.vm.PushGoFunction(func(ctx *duktape.Context) int { ctx.PushUint(*tracer.availableGasValue); return 1 }) + tracer.vm.PutPropString(logObject, "getAvailableGas") + tracer.vm.PushGoFunction(func(ctx *duktape.Context) int { ctx.PushUint(*tracer.costValue); return 1 }) tracer.vm.PutPropString(logObject, "getCost") @@ -569,6 +574,7 @@ func (jst *Tracer) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, avail *jst.pcValue = uint(pc) *jst.gasValue = uint(gas) + *jst.availableGasValue = uint(availableGas) *jst.costValue = uint(cost) *jst.depthValue = uint(depth) *jst.refundValue = uint(env.StateDB.GetRefund()) From 87a885eeee31b3bf6ee5a7a1d64f07b3eb2bf598 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Sat, 31 Oct 2020 22:35:18 +0200 Subject: [PATCH 50/74] tracer/js: extend JS log tracer with getReturnData --- eth/tracers/tracer.go | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/eth/tracers/tracer.go b/eth/tracers/tracer.go index 4af48ad1c2..32419a192f 100644 --- a/eth/tracers/tracer.go +++ b/eth/tracers/tracer.go @@ -305,6 +305,7 @@ type Tracer struct { availableGasValue *uint // Swappable gas value wrapped by a log accessor costValue *uint // Swappable cost value wrapped by a log accessor depthValue *uint // Swappable depth value wrapped by a log accessor + returnData *[]byte // Swappable return data wrapped by a log accessor errorValue *string // Swappable error value wrapped by a log accessor refundValue *uint // Swappable refund value wrapped by a log accessor @@ -336,6 +337,7 @@ func New(code string) (*Tracer, error) { availableGasValue: new(uint), costValue: new(uint), depthValue: new(uint), + returnData: new([]byte), refundValue: new(uint), } // Set up builtins for this environment @@ -481,6 +483,13 @@ func New(code string) (*Tracer, error) { tracer.vm.PushGoFunction(func(ctx *duktape.Context) int { ctx.PushUint(*tracer.depthValue); return 1 }) tracer.vm.PutPropString(logObject, "getDepth") + tracer.vm.PushGoFunction(func(ctx *duktape.Context) int { + ptr := ctx.PushFixedBuffer(len(*tracer.returnData)) + copy(makeSlice(ptr, uint(len(*tracer.returnData))), *tracer.returnData) + return 1 + }) + tracer.vm.PutPropString(logObject, "getReturnData") + tracer.vm.PushGoFunction(func(ctx *duktape.Context) int { ctx.PushUint(*tracer.refundValue); return 1 }) tracer.vm.PutPropString(logObject, "getRefund") @@ -577,6 +586,7 @@ func (jst *Tracer) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, avail *jst.availableGasValue = uint(availableGas) *jst.costValue = uint(cost) *jst.depthValue = uint(depth) + *jst.returnData = rdata *jst.refundValue = uint(env.StateDB.GetRefund()) jst.errorValue = nil From d9eebfc219ce944ca4055f8ca0dda2eaa6d7c8a1 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Sat, 31 Oct 2020 22:36:41 +0200 Subject: [PATCH 51/74] =?UTF-8?q?tracer/js:=20add=20"Out=20of=20stack?= =?UTF-8?q?=E2=80=9D=20error=20mapping=20for=20OE=20tracer?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 1 + 1 file changed, 1 insertion(+) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 305874e01d..9dc39691fc 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -32,6 +32,7 @@ "invalid jump destination": "Bad jump destination", "execution reverted": "Reverted", "return data out of bounds": "Out of bounds", + "stack limit reached 1024 (1023)": "Out of stack", }, oeErrorMappingStartingWith: { From becfd6d151fb55ed8d98b7cb3375ec0f2e50963f Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Sat, 31 Oct 2020 22:38:16 +0200 Subject: [PATCH 52/74] tracer/js: handle edje cases where first time in callstack remains empty while next one has data --- .../internal/tracers/call_tracer_open_ethereum.js | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 9dc39691fc..5877560c97 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -40,6 +40,11 @@ "stack underflow": "Stack underflow", }, + isObjectEmpty: function(obj) { + for (var x in obj) { return false; } + return true; + }, + // step is invoked for every opcode that the VM executes. step: function(log, db) { // Capture any errors immediately @@ -273,6 +278,12 @@ transactionHash: ctx.transactionHash, transactionPosition: ctx.transactionPosition, }; + // when this.descended remains true and first item in callstack is an empty object + // drop the first item, in order to handle edge cases in the step() loop. + // example edge case: contract init code "0x605a600053600160006001f0ff00", search in testdata + if (this.descended && this.callstack.length > 1 && this.isObjectEmpty(this.callstack[0])) { + this.callstack.shift(); + } if (typeof this.callstack[0].calls !== "undefined") { result.calls = this.callstack[0].calls; } From a94bede78c6a0b5dea96994264ad2a897cb4cec4 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Sun, 1 Nov 2020 16:05:26 +0200 Subject: [PATCH 53/74] tracer/js: extend OE JS tracer to return compatible gas with OE using getAvailableGas --- .../tracers/call_tracer_open_ethereum.js | 32 +++++++++++-------- 1 file changed, 19 insertions(+), 13 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 5877560c97..d7e015d8a7 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -68,6 +68,7 @@ type: op, from: toHex(log.contract.getAddress()), input: toHex(log.memory.slice(inOff, inEnd)), + gas: log.getAvailableGas(), gasIn: log.getGas(), gasCost: log.getCost(), value: "0x" + log.stack.peek(0).toString(16) @@ -110,15 +111,22 @@ from: toHex(log.contract.getAddress()), to: toHex(to), input: toHex(log.memory.slice(inOff, inEnd)), + gas: log.getAvailableGas(), gasIn: log.getGas(), gasCost: log.getCost(), outOff: log.stack.peek(4 + off).valueOf(), outLen: log.stack.peek(5 + off).valueOf() }; - if (op != "DELEGATECALL" && op != "STATICCALL") { - call.value = "0x" + log.stack.peek(2).toString(16); + if (op == "CALL" || op == "CALLCODE") { + var value = log.stack.peek(2); + call.value = "0x" + value.toString(16); + // Add stipend (only CALL|CALLCODE when value > 0) + // TODO: reading gas from next opcode is safer if stipend value changes + if (value > 0) { + call.gas = bigInt(call.gas + 2300); + } } else if (op == "STATICCALL") { call.value = "0x0"; } @@ -132,7 +140,10 @@ // with regard to requested and actually given gas (2300 stipend, 63/64 rule). if (this.descended) { if (log.getDepth() >= this.callstack.length) { - this.callstack[this.callstack.length - 1].gas = log.getGas(); + var call = this.callstack[this.callstack.length - 1]; + if (typeof call.gas === "undefined") { + call.gas = log.getGas(); + } } else { // TODO(karalabe): The call was made to a plain account. We currently don't // have access to the true gas amount inside the call and so any amount will @@ -156,9 +167,10 @@ // Pop off the last call and get the execution results var call = this.callstack.pop(); - if (call.type == 'CREATE' || call.type == "CREATE2") { + if (call.type == "CREATE" || call.type == "CREATE2") { // If the call was a CREATE, retrieve the contract address and output code - call.gasUsed = '0x' + bigInt(call.gasIn - call.gasCost - log.getGas()).toString(16); + var gasUsed = bigInt(call.gas - (log.getGas() - (call.gasIn - call.gasCost))); + call.gasUsed = "0x" + gasUsed.toString(16); delete call.gasIn; delete call.gasCost; var ret = log.stack.peek(0); @@ -177,14 +189,9 @@ // If the call was a contract call, retrieve the gas usage and output if (typeof call.gas !== "undefined") { - var gasUsed = bigInt(call.gasIn - call.gasCost + call.gas - log.getGas()); - if (gasUsed.compare(0) >= 0) { - call.gasUsed = '0x' + gasUsed.toString(16); - } - } else { - call.gas = bigInt(call.gasIn - call.gasCost - log.getGas()).abs(); - call.gasUsed = '0x0'; + call.gasUsed = "0x" + bigInt(call.gasIn - call.gasCost + call.gas - log.getGas()).toString(16); } + delete call.gasIn; delete call.gasCost; var ret = log.stack.peek(0); if (ret.equals(0) && typeof call.error === "undefined") { @@ -201,7 +208,6 @@ call.output = '0x'; } - delete call.gasIn; delete call.gasCost; delete call.outOff; delete call.outLen; } if (typeof call.gas !== "undefined") { From 269474be6f08f75077dd4267733e3aa9da4a8573 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Sun, 1 Nov 2020 16:09:18 +0200 Subject: [PATCH 54/74] tracer/js: extend OE JS tracer to use getReturnData to decide if the call returned any data --- .../tracers/call_tracer_open_ethereum.js | 19 ++++++++++++++++--- 1 file changed, 16 insertions(+), 3 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index d7e015d8a7..dfe7134f4f 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -194,9 +194,22 @@ delete call.gasIn; delete call.gasCost; var ret = log.stack.peek(0); - if (ret.equals(0) && typeof call.error === "undefined") { - call.error = "internal failure"; // TODO(karalabe): surface these faults somehow - + if (!ret.equals(0)) { + if (typeof call.output === "undefined" || call.output === "0x") { + var outLen = call.outLen; + var rdata = log.getReturnData(); + if (typeof rdata !== "undefined") { + outLen = Math.min(outLen, rdata.length); + } + call.output = toHex(log.memory.slice(call.outOff, call.outOff + outLen)); + + // TODO(ziogaschr): Remove the equals(0) check, assumption from Parity + var unprefixedOutput = call.output.slice(2); + if (!unprefixedOutput || unprefixedOutput === '' || bigInt(unprefixedOutput, 16).equals(0)) { + call.output = '0x'; + } + } + } else if (typeof call.error === "undefined") { if (typeof call.gas !== "undefined" && call.gasUsed === '0x' + bigInt(call.gas).toString(16)) { call.error = "out of gas"; } else { From dfa77778a7bf0cca2e58112083bfc1570b78237c Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Sun, 1 Nov 2020 16:16:12 +0200 Subject: [PATCH 55/74] tracer/js: bring back wrongly removed line --- .../tracers/call_tracer_open_ethereum.js | 43 ++++++++++--------- 1 file changed, 23 insertions(+), 20 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index dfe7134f4f..f8ea605295 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -78,6 +78,7 @@ return; } // If a contract is being self destructed, gather that as a subcall too + // NOTE: Keep it above the this.descended if check if (syscall && op == "SELFDESTRUCT") { var left = this.callstack.length; if (typeof this.callstack[left-1].calls === "undefined") { @@ -95,10 +96,11 @@ } // If a new method invocation is being done, add to the call stack if (syscall && (op == "CALL" || op == "CALLCODE" || op == "DELEGATECALL" || op == "STATICCALL")) { - // Skip any pre-compile invocations, those are just fancy opcodes var to = toAddress(log.stack.peek(1).toString(16)); - if (isPrecompiled(to)) { - return + + // Skip any pre-compile invocations, those are just fancy opcodes + if (isPrecompiled(to) && op == "CALL") { + return; } var off = (op == "DELEGATECALL" || op == "STATICCALL" ? 0 : 1); @@ -157,10 +159,11 @@ return; } if (syscall && op == "RETURN") { - var outOff = log.stack.peek(0).valueOf(); - var outLen = log.stack.peek(1).valueOf(); - - this.callstack[this.callstack.length - 1].output = toHex(log.memory.slice(outOff, outOff + outLen)); + if (log.getDepth() == this.callstack.length) { + var outOff = log.stack.peek(0).valueOf(); + var outLen = log.stack.peek(1).valueOf(); + this.callstack[this.callstack.length - 1].output = toHex(log.memory.slice(outOff, outOff + outLen)); + } return; } if (log.getDepth() == this.callstack.length - 1) { @@ -176,13 +179,12 @@ var ret = log.stack.peek(0); if (!ret.equals(0)) { call.to = toHex(toAddress(ret.toString(16))); + call.output = toHex(db.getCode(toAddress(ret.toString(16)))); } else if (typeof call.error === "undefined") { - call.error = "internal failure"; // TODO(karalabe): surface these faults somehow - - if (typeof call.gas !== "undefined" && call.gasUsed === '0x' + bigInt(call.gas).toString(16)) { + if (typeof call.gas !== "undefined" && gasUsed.compare(bigInt(call.gas)) >= 0) { call.error = "out of gas"; - } else { - return; + } else { + call.error = "internal failure"; // TODO(karalabe): surface these faults somehow } } } else { @@ -213,13 +215,13 @@ if (typeof call.gas !== "undefined" && call.gasUsed === '0x' + bigInt(call.gas).toString(16)) { call.error = "out of gas"; } else { - return; + call.error = "internal failure"; // TODO(karalabe): surface these faults somehow + if (call.type == "CALL" || call.type == "CALLCODE") { + return; + } } } - if (typeof call.output === "undefined") { - call.output = '0x'; - } delete call.outOff; delete call.outLen; } @@ -229,10 +231,11 @@ // Inject the call into the previous one var left = this.callstack.length; - if (typeof this.callstack[left-1].calls === "undefined") { - this.callstack[left-1].calls = []; + left = left > 0 ? left-1 :left; + if (typeof this.callstack[left].calls === "undefined") { + this.callstack[left].calls = []; } - this.callstack[left-1].calls.push(call); + this.callstack[left].calls.push(call); } }, @@ -392,7 +395,7 @@ var childCall = calls[i]; // Delegatecall uses the value from parent - if (childCall.type == 'DELEGATECALL' && typeof childCall.value === "undefined") { + if ((childCall.type == "DELEGATECALL" || childCall.type == "STATICCALL") && typeof childCall.value === "undefined") { childCall.value = call.value; } From 6fff1355779f7fe4eee85e8b9302d1d15f6e6a6c Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Sun, 1 Nov 2020 23:15:06 +0200 Subject: [PATCH 56/74] cleanup --- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index f8ea605295..72d418d4d5 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -99,7 +99,7 @@ var to = toAddress(log.stack.peek(1).toString(16)); // Skip any pre-compile invocations, those are just fancy opcodes - if (isPrecompiled(to) && op == "CALL") { + if (isPrecompiled(to) && (op == "CALL" || op == "STATICCALL")) { return; } var off = (op == "DELEGATECALL" || op == "STATICCALL" ? 0 : 1); @@ -153,7 +153,6 @@ } this.descended = false; } - // If an existing call is returning, pop off the call stack if (syscall && op == "REVERT") { this.callstack[this.callstack.length - 1].error = "execution reverted"; return; @@ -183,8 +182,9 @@ } else if (typeof call.error === "undefined") { if (typeof call.gas !== "undefined" && gasUsed.compare(bigInt(call.gas)) >= 0) { call.error = "out of gas"; - } else { + } else { call.error = "internal failure"; // TODO(karalabe): surface these faults somehow + return; } } } else { @@ -222,7 +222,6 @@ } } - delete call.outOff; delete call.outLen; } if (typeof call.gas !== "undefined") { From a50e971b6f117e3de135748c15161870b607868b Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Sun, 1 Nov 2020 23:16:52 +0200 Subject: [PATCH 57/74] tracer/js: handle precompiled contract failures on CALL opcodes --- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 72d418d4d5..b81724ac5f 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -33,6 +33,7 @@ "execution reverted": "Reverted", "return data out of bounds": "Out of bounds", "stack limit reached 1024 (1023)": "Out of stack", + "precompiled failed": "Built-in failed", }, oeErrorMappingStartingWith: { @@ -212,7 +213,9 @@ } } } else if (typeof call.error === "undefined") { - if (typeof call.gas !== "undefined" && call.gasUsed === '0x' + bigInt(call.gas).toString(16)) { + if (isPrecompiled(toAddress(call.to)) && call.type == "CALLCODE") { + call.error = "precompiled failed"; // Parity compatible + } else if (typeof call.gas !== "undefined" && call.gasUsed === '0x' + bigInt(call.gas).toString(16)) { call.error = "out of gas"; } else { call.error = "internal failure"; // TODO(karalabe): surface these faults somehow From ecad577b00105970ec7e1bd8745e12d856a3187c Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Tue, 3 Nov 2020 01:09:59 +0200 Subject: [PATCH 58/74] tracer/js: expose system opcode errors in JS tracers This commit allows the system opcode errors to be read from within the JS tracers. It does that in a very hacky way for now just to allow OpenEthereum tracer 100% compatibility. After some discussion on better solutions, we might add a new PR with a better way of handling those. --- core/vm/evm.go | 3 +++ core/vm/instructions.go | 7 +++++++ eth/tracers/tracer.go | 18 ++++++++++++++++++ 3 files changed, 28 insertions(+) diff --git a/core/vm/evm.go b/core/vm/evm.go index 015f7ec368..b94e3b3029 100644 --- a/core/vm/evm.go +++ b/core/vm/evm.go @@ -125,6 +125,9 @@ type EVM struct { // available gas is calculated in gasCall* according to the 63/64 rule and later // applied in opCall*. callGasTemp uint64 + // callErrorTemp holds any errors caused during the execution of system opcodes (0xf0) + // NOTE: it's being used only for tracers + CallErrorTemp error } // NewEVM returns a new EVM. The returned EVM is not thread safe and should diff --git a/core/vm/instructions.go b/core/vm/instructions.go index fceb3748b9..e8fd36462b 100644 --- a/core/vm/instructions.go +++ b/core/vm/instructions.go @@ -618,8 +618,10 @@ func opCreate(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([] // ignore this error and pretend the operation was successful. if interpreter.evm.ChainConfig().IsEnabled(interpreter.evm.chainConfig.GetEIP2Transition, interpreter.evm.BlockNumber) && suberr == ErrCodeStoreOutOfGas { stackvalue.Clear() + interpreter.evm.CallErrorTemp = suberr // temp storage, for debug tracing } else if suberr != nil && suberr != ErrCodeStoreOutOfGas { stackvalue.Clear() + interpreter.evm.CallErrorTemp = suberr // temp storage, for debug tracing } else { stackvalue.SetBytes(addr.Bytes()) } @@ -652,6 +654,7 @@ func opCreate2(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([ // Push item on the stack based on the returned error. if suberr != nil { stackvalue.Clear() + interpreter.evm.CallErrorTemp = suberr // temp storage, for debug tracing } else { stackvalue.SetBytes(addr.Bytes()) } @@ -689,6 +692,7 @@ func opCall(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]by if err != nil { temp.Clear() + interpreter.evm.CallErrorTemp = err // temp storage, for debug tracing } else { temp.SetOne() } @@ -723,6 +727,7 @@ func opCallCode(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ( ret, returnGas, err := interpreter.evm.CallCode(callContext.contract, toAddr, args, gas, bigVal) if err != nil { temp.Clear() + interpreter.evm.CallErrorTemp = err // temp storage, for debug tracing } else { temp.SetOne() } @@ -750,6 +755,7 @@ func opDelegateCall(pc *uint64, interpreter *EVMInterpreter, callContext *callCt ret, returnGas, err := interpreter.evm.DelegateCall(callContext.contract, toAddr, args, gas) if err != nil { temp.Clear() + interpreter.evm.CallErrorTemp = err // temp storage, for debug tracing } else { temp.SetOne() } @@ -777,6 +783,7 @@ func opStaticCall(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ret, returnGas, err := interpreter.evm.StaticCall(callContext.contract, toAddr, args, gas) if err != nil { temp.Clear() + interpreter.evm.CallErrorTemp = err // temp storage, for debug tracing } else { temp.SetOne() } diff --git a/eth/tracers/tracer.go b/eth/tracers/tracer.go index 32419a192f..7ba9586a35 100644 --- a/eth/tracers/tracer.go +++ b/eth/tracers/tracer.go @@ -307,6 +307,7 @@ type Tracer struct { depthValue *uint // Swappable depth value wrapped by a log accessor returnData *[]byte // Swappable return data wrapped by a log accessor errorValue *string // Swappable error value wrapped by a log accessor + opErrorValue *string // Swappable error value for this specific call wrapped by a log accessor. NOTE: the error is for the previous call trace refundValue *uint // Swappable refund value wrapped by a log accessor ctx map[string]interface{} // Transaction context gathered throughout execution @@ -493,6 +494,16 @@ func New(code string) (*Tracer, error) { tracer.vm.PushGoFunction(func(ctx *duktape.Context) int { ctx.PushUint(*tracer.refundValue); return 1 }) tracer.vm.PutPropString(logObject, "getRefund") + tracer.vm.PushGoFunction(func(ctx *duktape.Context) int { + if tracer.opErrorValue != nil { + ctx.PushString(*tracer.opErrorValue) + } else { + ctx.PushUndefined() + } + return 1 + }) + tracer.vm.PutPropString(logObject, "getCallError") + tracer.vm.PushGoFunction(func(ctx *duktape.Context) int { if tracer.errorValue != nil { ctx.PushString(*tracer.errorValue) @@ -589,6 +600,13 @@ func (jst *Tracer) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, avail *jst.returnData = rdata *jst.refundValue = uint(env.StateDB.GetRefund()) + jst.opErrorValue = nil + if env.CallErrorTemp != nil { + jst.opErrorValue = new(string) + *jst.opErrorValue = env.CallErrorTemp.Error() + + env.CallErrorTemp = nil // clean temp error storage, for debug tracing + } jst.errorValue = nil if err != nil { jst.errorValue = new(string) From c956731ea09bd373a414280a89c88e355fbbf048 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Tue, 3 Nov 2020 01:10:29 +0200 Subject: [PATCH 59/74] cleanup --- eth/tracers/tracer.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/eth/tracers/tracer.go b/eth/tracers/tracer.go index 7ba9586a35..bed8aa9679 100644 --- a/eth/tracers/tracer.go +++ b/eth/tracers/tracer.go @@ -302,7 +302,7 @@ type Tracer struct { pcValue *uint // Swappable pc value wrapped by a log accessor gasValue *uint // Swappable gas value wrapped by a log accessor - availableGasValue *uint // Swappable gas value wrapped by a log accessor + availableGasValue *uint // Swappable available gas value for this specific call wrapped by a log accessor costValue *uint // Swappable cost value wrapped by a log accessor depthValue *uint // Swappable depth value wrapped by a log accessor returnData *[]byte // Swappable return data wrapped by a log accessor From 72251c2c3c92eb28c59781ecbab938a8255c7b95 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Tue, 3 Nov 2020 01:13:29 +0200 Subject: [PATCH 60/74] tracer/js: read system opcode error in OE JS tracer --- .../tracers/call_tracer_open_ethereum.js | 37 ++++++++++++++----- 1 file changed, 28 insertions(+), 9 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index b81724ac5f..41d15eb2b3 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -41,6 +41,10 @@ "stack underflow": "Stack underflow", }, + oeSkipTracesForErrors: [ + "insufficient balance for transfer" + ], + isObjectEmpty: function(obj) { for (var x in obj) { return false; } return true; @@ -181,8 +185,12 @@ call.to = toHex(toAddress(ret.toString(16))); call.output = toHex(db.getCode(toAddress(ret.toString(16)))); } else if (typeof call.error === "undefined") { - if (typeof call.gas !== "undefined" && gasUsed.compare(bigInt(call.gas)) >= 0) { - call.error = "out of gas"; + var opError = log.getCallError(); + if (typeof opError !== "undefined") { + if (this.oeSkipTracesForErrors.indexOf(opError) > -1) { + return; + } + call.error = opError; } else { call.error = "internal failure"; // TODO(karalabe): surface these faults somehow return; @@ -213,15 +221,18 @@ } } } else if (typeof call.error === "undefined") { - if (isPrecompiled(toAddress(call.to)) && call.type == "CALLCODE") { - call.error = "precompiled failed"; // Parity compatible - } else if (typeof call.gas !== "undefined" && call.gasUsed === '0x' + bigInt(call.gas).toString(16)) { - call.error = "out of gas"; - } else { - call.error = "internal failure"; // TODO(karalabe): surface these faults somehow - if (call.type == "CALL" || call.type == "CALLCODE") { + var opError = log.getCallError(); + if (typeof opError !== "undefined") { + if (this.oeSkipTracesForErrors.indexOf(opError) > -1) { return; } + if (isPrecompiled(toAddress(call.to)) && opError !== "out of gas") { + call.error = "precompiled failed"; // Parity compatible + } else { + call.error = opError; + } + } else { + call.error = "internal failure"; // TODO(karalabe): surface these faults somehow } } @@ -251,6 +262,14 @@ var call = this.callstack.pop(); call.error = log.getError(); + var opError = log.getCallError(); + if (typeof opError !== "undefined") { + if (this.oeSkipTracesForErrors.indexOf(opError) > -1) { + return; + } + call.error = opError; + } + // Consume all available gas and clean any leftovers if (typeof call.gas !== "undefined") { call.gas = '0x' + bigInt(call.gas).toString(16); From 955fa161dfea09152dd08548ff4c32d67afb0faa Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Tue, 3 Nov 2020 01:15:42 +0200 Subject: [PATCH 61/74] tracer/js: extend OE JS tracer to use only getReturnData for CALL related opcodes output --- .../internal/tracers/call_tracer_open_ethereum.js | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index 41d15eb2b3..db9492270e 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -207,18 +207,8 @@ var ret = log.stack.peek(0); if (!ret.equals(0)) { if (typeof call.output === "undefined" || call.output === "0x") { - var outLen = call.outLen; - var rdata = log.getReturnData(); - if (typeof rdata !== "undefined") { - outLen = Math.min(outLen, rdata.length); - } - call.output = toHex(log.memory.slice(call.outOff, call.outOff + outLen)); + call.output = toHex(log.getReturnData()); - // TODO(ziogaschr): Remove the equals(0) check, assumption from Parity - var unprefixedOutput = call.output.slice(2); - if (!unprefixedOutput || unprefixedOutput === '' || bigInt(unprefixedOutput, 16).equals(0)) { - call.output = '0x'; - } } } else if (typeof call.error === "undefined") { var opError = log.getCallError(); From 0de90ff6a7d723033abe7861f9915d63e4c0442c Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Tue, 3 Nov 2020 01:23:28 +0200 Subject: [PATCH 62/74] tracers: generate assets.go --- eth/tracers/internal/tracers/assets.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/eth/tracers/internal/tracers/assets.go b/eth/tracers/internal/tracers/assets.go index acdbfa783f..d6e3e1cb23 100644 --- a/eth/tracers/internal/tracers/assets.go +++ b/eth/tracers/internal/tracers/assets.go @@ -146,7 +146,7 @@ func call_tracerJs() (*asset, error) { return a, nil } -var _call_tracer_open_ethereumJs = 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+var _call_tracer_open_ethereumJs = 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func call_tracer_open_ethereumJsBytes() ([]byte, error) { return bindataRead( From e4a3a5cf01c2cea1729f3516a2f4fd86d0ee42dc Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Tue, 3 Nov 2020 01:27:00 +0200 Subject: [PATCH 63/74] tracers/js: cleanup --- eth/tracers/internal/tracers/call_tracer_open_ethereum.js | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js index db9492270e..64374c56e9 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_open_ethereum.js @@ -176,8 +176,7 @@ if (call.type == "CREATE" || call.type == "CREATE2") { // If the call was a CREATE, retrieve the contract address and output code - var gasUsed = bigInt(call.gas - (log.getGas() - (call.gasIn - call.gasCost))); - call.gasUsed = "0x" + gasUsed.toString(16); + call.gasUsed = "0x" + bigInt(call.gas - (log.getGas() - (call.gasIn - call.gasCost))).toString(16); delete call.gasIn; delete call.gasCost; var ret = log.stack.peek(0); @@ -192,12 +191,12 @@ } call.error = opError; } else { + // NOTE(ziogachr): we should reach this else anymore call.error = "internal failure"; // TODO(karalabe): surface these faults somehow return; } } } else { - // If the call was a contract call, retrieve the gas usage and output if (typeof call.gas !== "undefined") { call.gasUsed = "0x" + bigInt(call.gasIn - call.gasCost + call.gas - log.getGas()).toString(16); @@ -208,7 +207,6 @@ if (!ret.equals(0)) { if (typeof call.output === "undefined" || call.output === "0x") { call.output = toHex(log.getReturnData()); - } } else if (typeof call.error === "undefined") { var opError = log.getCallError(); @@ -222,6 +220,7 @@ call.error = opError; } } else { + // NOTE(ziogachr): we should reach this else anymore call.error = "internal failure"; // TODO(karalabe): surface these faults somehow } } From 88bbfb2824c7cbd5680e9a19231c9a661a969972 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Tue, 3 Nov 2020 01:36:49 +0200 Subject: [PATCH 64/74] tracer: Rename call_tracer_open_ethereum to call_tracer_parity and rest references --- ...{api_tracer_oe.go => api_tracer_parity.go} | 30 +++++----- ...r_oe_test.go => api_tracer_parity_test.go} | 0 eth/tracers/internal/tracers/assets.go | 56 +++++++++---------- ...open_ethereum.js => call_tracer_parity.js} | 22 ++++---- 4 files changed, 54 insertions(+), 54 deletions(-) rename eth/{api_tracer_oe.go => api_tracer_parity.go} (85%) rename eth/{api_tracer_oe_test.go => api_tracer_parity_test.go} (100%) rename eth/tracers/internal/tracers/{call_tracer_open_ethereum.js => call_tracer_parity.js} (95%) diff --git a/eth/api_tracer_oe.go b/eth/api_tracer_parity.go similarity index 85% rename from eth/api_tracer_oe.go rename to eth/api_tracer_parity.go index 3865f62a3f..5b6aecf95c 100644 --- a/eth/api_tracer_oe.go +++ b/eth/api_tracer_parity.go @@ -29,8 +29,8 @@ import ( "github.com/ethereum/go-ethereum/rpc" ) -// OpenEthereumTrace A trace in the desired format (Parity/OpenEtherum) See: https://openethereum.github.io/wiki/JSONRPC-trace-module -type OpenEthereumTrace struct { +// ParityTrace A trace in the desired format (Parity/OpenEtherum) See: https://Parity.github.io/wiki/JSONRPC-trace-module +type ParityTrace struct { Action TraceRewardAction `json:"action"` BlockHash common.Hash `json:"blockHash"` BlockNumber uint64 `json:"blockNumber"` @@ -43,31 +43,31 @@ type OpenEthereumTrace struct { Type string `json:"type"` } -// TraceRewardAction An OpenEthereum formatted trace reward action +// TraceRewardAction An Parity formatted trace reward action type TraceRewardAction struct { Value *hexutil.Big `json:"value,omitempty"` Author *common.Address `json:"author,omitempty"` RewardType string `json:"rewardType,omitempty"` } -// setConfigTracerToOpenEthereum forces the Tracer to the OpenEthereum one -func setConfigTracerToOpenEthereum(config *TraceConfig) *TraceConfig { +// setConfigTracerToParity forces the Tracer to the Parity one +func setConfigTracerToParity(config *TraceConfig) *TraceConfig { if config == nil { config = &TraceConfig{} } - tracer := "callTracerOpenEthereum" + tracer := "callTracerParity" config.Tracer = &tracer return config } -func traceBlockReward(ctx context.Context, eth *Ethereum, block *types.Block, config *TraceConfig) (*OpenEthereumTrace, error) { +func traceBlockReward(ctx context.Context, eth *Ethereum, block *types.Block, config *TraceConfig) (*ParityTrace, error) { chainConfig := eth.blockchain.Config() minerReward, _ := ethash.AccumulateRewards(chainConfig, block.Header(), block.Uncles()) coinbase := block.Coinbase() - tr := &OpenEthereumTrace{ + tr := &ParityTrace{ Type: "reward", Action: TraceRewardAction{ Value: (*hexutil.Big)(minerReward), @@ -82,16 +82,16 @@ func traceBlockReward(ctx context.Context, eth *Ethereum, block *types.Block, co return tr, nil } -func traceBlockUncleRewards(ctx context.Context, eth *Ethereum, block *types.Block, config *TraceConfig) ([]*OpenEthereumTrace, error) { +func traceBlockUncleRewards(ctx context.Context, eth *Ethereum, block *types.Block, config *TraceConfig) ([]*ParityTrace, error) { chainConfig := eth.blockchain.Config() _, uncleRewards := ethash.AccumulateRewards(chainConfig, block.Header(), block.Uncles()) - results := make([]*OpenEthereumTrace, len(uncleRewards)) + results := make([]*ParityTrace, len(uncleRewards)) for i, uncle := range block.Uncles() { if i < len(uncleRewards) { coinbase := uncle.Coinbase - results[i] = &OpenEthereumTrace{ + results[i] = &ParityTrace{ Type: "reward", Action: TraceRewardAction{ Value: (*hexutil.Big)(uncleRewards[i]), @@ -110,7 +110,7 @@ func traceBlockUncleRewards(ctx context.Context, eth *Ethereum, block *types.Blo // Block returns the structured logs created during the execution of // EVM and returns them as a JSON object. -// The correct name will be TraceBlockByNumber, though we want to be compatible with OpenEthereum trace module. +// The correct name will be TraceBlockByNumber, though we want to be compatible with Parity trace module. func (api *PrivateTraceAPI) Block(ctx context.Context, number rpc.BlockNumber, config *TraceConfig) ([]interface{}, error) { // Fetch the block that we want to trace var block *types.Block @@ -128,7 +128,7 @@ func (api *PrivateTraceAPI) Block(ctx context.Context, number rpc.BlockNumber, c return nil, fmt.Errorf("block #%d not found", number) } - config = setConfigTracerToOpenEthereum(config) + config = setConfigTracerToParity(config) traceResults, err := traceBlockByNumber(ctx, api.eth, number, config) if err != nil { @@ -167,12 +167,12 @@ func (api *PrivateTraceAPI) Block(ctx context.Context, number rpc.BlockNumber, c // Transaction returns the structured logs created during the execution of EVM // and returns them as a JSON object. func (api *PrivateTraceAPI) Transaction(ctx context.Context, hash common.Hash, config *TraceConfig) (interface{}, error) { - config = setConfigTracerToOpenEthereum(config) + config = setConfigTracerToParity(config) return traceTransaction(ctx, api.eth, hash, config) } func (api *PrivateTraceAPI) Filter(ctx context.Context, args ethapi.CallArgs, config *TraceConfig) ([]*txTraceResult, error) { - config = setConfigTracerToOpenEthereum(config) + config = setConfigTracerToParity(config) fmt.Printf("args: %#v\n", args) return nil, nil } diff --git a/eth/api_tracer_oe_test.go b/eth/api_tracer_parity_test.go similarity index 100% rename from eth/api_tracer_oe_test.go rename to eth/api_tracer_parity_test.go diff --git a/eth/tracers/internal/tracers/assets.go b/eth/tracers/internal/tracers/assets.go index d6e3e1cb23..1bb514be06 100644 --- a/eth/tracers/internal/tracers/assets.go +++ b/eth/tracers/internal/tracers/assets.go @@ -3,7 +3,7 @@ // 4byte_tracer.js // bigram_tracer.js // call_tracer.js -// call_tracer_open_ethereum.js +// call_tracer_parity.js // evmdis_tracer.js // noop_tracer.js // opcount_tracer.js @@ -146,22 +146,22 @@ func call_tracerJs() (*asset, error) { return a, nil } -var _call_tracer_open_ethereumJs = 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+var _call_tracer_parityJs = 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-func call_tracer_open_ethereumJsBytes() ([]byte, error) { +func call_tracer_parityJsBytes() ([]byte, error) { return bindataRead( - _call_tracer_open_ethereumJs, - "call_tracer_open_ethereum.js", + _call_tracer_parityJs, + "call_tracer_parity.js", ) } -func call_tracer_open_ethereumJs() (*asset, error) { - bytes, err := call_tracer_open_ethereumJsBytes() +func call_tracer_parityJs() (*asset, error) { + bytes, err := call_tracer_parityJsBytes() if err != nil { return nil, err } - info := bindataFileInfo{name: "call_tracer_open_ethereum.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)} + info := bindataFileInfo{name: "call_tracer_parity.js", size: 0, mode: os.FileMode(0), modTime: time.Unix(0, 0)} a := &asset{bytes: bytes, info: info} return a, nil } @@ -338,16 +338,16 @@ func AssetNames() []string { // _bindata is a table, holding each asset generator, mapped to its name. var _bindata = map[string]func() (*asset, error){ - "4byte_tracer.js": _4byte_tracerJs, - "bigram_tracer.js": bigram_tracerJs, - "call_tracer.js": call_tracerJs, - "call_tracer_open_ethereum.js": call_tracer_open_ethereumJs, - "evmdis_tracer.js": evmdis_tracerJs, - "noop_tracer.js": noop_tracerJs, - "opcount_tracer.js": opcount_tracerJs, - "prestate_tracer.js": prestate_tracerJs, - "trigram_tracer.js": trigram_tracerJs, - "unigram_tracer.js": unigram_tracerJs, + "4byte_tracer.js": _4byte_tracerJs, + "bigram_tracer.js": bigram_tracerJs, + "call_tracer.js": call_tracerJs, + "call_tracer_parity.js": call_tracer_parityJs, + "evmdis_tracer.js": evmdis_tracerJs, + "noop_tracer.js": noop_tracerJs, + "opcount_tracer.js": opcount_tracerJs, + "prestate_tracer.js": prestate_tracerJs, + "trigram_tracer.js": trigram_tracerJs, + "unigram_tracer.js": unigram_tracerJs, } // AssetDir returns the file names below a certain @@ -391,16 +391,16 @@ type bintree struct { } var _bintree = &bintree{nil, map[string]*bintree{ - "4byte_tracer.js": {_4byte_tracerJs, map[string]*bintree{}}, - "bigram_tracer.js": {bigram_tracerJs, map[string]*bintree{}}, - "call_tracer.js": {call_tracerJs, map[string]*bintree{}}, - "call_tracer_open_ethereum.js": {call_tracer_open_ethereumJs, map[string]*bintree{}}, - "evmdis_tracer.js": {evmdis_tracerJs, map[string]*bintree{}}, - "noop_tracer.js": {noop_tracerJs, map[string]*bintree{}}, - "opcount_tracer.js": {opcount_tracerJs, map[string]*bintree{}}, - "prestate_tracer.js": {prestate_tracerJs, map[string]*bintree{}}, - "trigram_tracer.js": {trigram_tracerJs, map[string]*bintree{}}, - "unigram_tracer.js": {unigram_tracerJs, map[string]*bintree{}}, + "4byte_tracer.js": {_4byte_tracerJs, map[string]*bintree{}}, + "bigram_tracer.js": {bigram_tracerJs, map[string]*bintree{}}, + "call_tracer.js": {call_tracerJs, map[string]*bintree{}}, + "call_tracer_parity.js": {call_tracer_parityJs, map[string]*bintree{}}, + "evmdis_tracer.js": {evmdis_tracerJs, map[string]*bintree{}}, + "noop_tracer.js": {noop_tracerJs, map[string]*bintree{}}, + "opcount_tracer.js": {opcount_tracerJs, map[string]*bintree{}}, + "prestate_tracer.js": {prestate_tracerJs, map[string]*bintree{}}, + "trigram_tracer.js": {trigram_tracerJs, map[string]*bintree{}}, + "unigram_tracer.js": {unigram_tracerJs, map[string]*bintree{}}, }} // RestoreAsset restores an asset under the given directory diff --git a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js b/eth/tracers/internal/tracers/call_tracer_parity.js similarity index 95% rename from eth/tracers/internal/tracers/call_tracer_open_ethereum.js rename to eth/tracers/internal/tracers/call_tracer_parity.js index 64374c56e9..c4382b4c8c 100644 --- a/eth/tracers/internal/tracers/call_tracer_open_ethereum.js +++ b/eth/tracers/internal/tracers/call_tracer_parity.js @@ -24,7 +24,7 @@ // an inner call. descended: false, - oeErrorMapping: { + parityErrorMapping: { "contract creation code storage out of gas": "Out of gas", "out of gas": "Out of gas", "gas uint64 overflow": "Out of gas", @@ -36,12 +36,12 @@ "precompiled failed": "Built-in failed", }, - oeErrorMappingStartingWith: { + parityErrorMappingStartingWith: { "invalid opcode:": "Bad instruction", "stack underflow": "Stack underflow", }, - oeSkipTracesForErrors: [ + paritySkipTracesForErrors: [ "insufficient balance for transfer" ], @@ -186,7 +186,7 @@ } else if (typeof call.error === "undefined") { var opError = log.getCallError(); if (typeof opError !== "undefined") { - if (this.oeSkipTracesForErrors.indexOf(opError) > -1) { + if (this.paritySkipTracesForErrors.indexOf(opError) > -1) { return; } call.error = opError; @@ -211,7 +211,7 @@ } else if (typeof call.error === "undefined") { var opError = log.getCallError(); if (typeof opError !== "undefined") { - if (this.oeSkipTracesForErrors.indexOf(opError) > -1) { + if (this.paritySkipTracesForErrors.indexOf(opError) > -1) { return; } if (isPrecompiled(toAddress(call.to)) && opError !== "out of gas") { @@ -253,7 +253,7 @@ var opError = log.getCallError(); if (typeof opError !== "undefined") { - if (this.oeSkipTracesForErrors.indexOf(opError) > -1) { + if (this.paritySkipTracesForErrors.indexOf(opError) > -1) { return; } call.error = opError; @@ -368,13 +368,13 @@ } if (typeof sorted.error !== "undefined") { - if (this.oeErrorMapping.hasOwnProperty(sorted.error)) { - sorted.error = this.oeErrorMapping[sorted.error]; + if (this.parityErrorMapping.hasOwnProperty(sorted.error)) { + sorted.error = this.parityErrorMapping[sorted.error]; delete sorted.result; } else { - for (var searchKey in this.oeErrorMappingStartingWith) { - if (this.oeErrorMappingStartingWith.hasOwnProperty(searchKey) && sorted.error.indexOf(searchKey) > -1) { - sorted.error = this.oeErrorMappingStartingWith[searchKey]; + for (var searchKey in this.parityErrorMappingStartingWith) { + if (this.parityErrorMappingStartingWith.hasOwnProperty(searchKey) && sorted.error.indexOf(searchKey) > -1) { + sorted.error = this.parityErrorMappingStartingWith[searchKey]; delete sorted.result; } } From c89f77c0a9a7d469fd34a1d9f373c86d65b9e46d Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Tue, 3 Nov 2020 12:23:37 +0200 Subject: [PATCH 65/74] tracer: fix lint issues --- eth/api_tracer_parity.go | 3 +-- eth/api_tracer_parity_test.go | 4 ++-- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/eth/api_tracer_parity.go b/eth/api_tracer_parity.go index 5b6aecf95c..74482ddd78 100644 --- a/eth/api_tracer_parity.go +++ b/eth/api_tracer_parity.go @@ -172,7 +172,6 @@ func (api *PrivateTraceAPI) Transaction(ctx context.Context, hash common.Hash, c } func (api *PrivateTraceAPI) Filter(ctx context.Context, args ethapi.CallArgs, config *TraceConfig) ([]*txTraceResult, error) { - config = setConfigTracerToParity(config) - fmt.Printf("args: %#v\n", args) + // config = setConfigTracerToParity(config) return nil, nil } diff --git a/eth/api_tracer_parity_test.go b/eth/api_tracer_parity_test.go index af98d9ad0e..b5543f1e50 100644 --- a/eth/api_tracer_parity_test.go +++ b/eth/api_tracer_parity_test.go @@ -18,7 +18,7 @@ func BenchmarkTraceResultsAppend1(b *testing.B) { for i := 0; i < b.N; i++ { // results := make([]interface{}, len(traceResults)) results := []interface{}{} - for _, it := range traceResults { + for _, it := range traceResults { // nolint:gosimple results = append(results, it) } } @@ -36,6 +36,6 @@ func BenchmarkTraceResultsAppend2(b *testing.B) { for i := 0; i < b.N; i++ { // results := make([]interface{}, len(traceResults)) results := []interface{}{} - results = append(results, traceResults...) + results = append(results, traceResults...) // nolint:ineffassign } } From 39fcedfd8e3f2d9b18559528371dea481a26eda9 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Wed, 4 Nov 2020 12:45:03 +0200 Subject: [PATCH 66/74] tracer/js: add TODO comment --- eth/tracers/internal/tracers/call_tracer_parity.js | 2 ++ 1 file changed, 2 insertions(+) diff --git a/eth/tracers/internal/tracers/call_tracer_parity.js b/eth/tracers/internal/tracers/call_tracer_parity.js index c4382b4c8c..b2c5481e95 100644 --- a/eth/tracers/internal/tracers/call_tracer_parity.js +++ b/eth/tracers/internal/tracers/call_tracer_parity.js @@ -160,6 +160,8 @@ } if (syscall && op == "REVERT") { this.callstack[this.callstack.length - 1].error = "execution reverted"; + + // TODO(ziogaschr): read the output from stack as it contains the error passed from the contract developer return; } if (syscall && op == "RETURN") { From dbe01d44d673513b8dbecfd4787dfe20a2b21f97 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Wed, 4 Nov 2020 15:50:53 +0200 Subject: [PATCH 67/74] core/vm: track 63/64 create gas off stack (fix) --- core/vm/gas_table.go | 16 +++++++++++----- core/vm/instructions.go | 1 - 2 files changed, 11 insertions(+), 6 deletions(-) diff --git a/core/vm/gas_table.go b/core/vm/gas_table.go index b3799775b3..b5b6782629 100644 --- a/core/vm/gas_table.go +++ b/core/vm/gas_table.go @@ -287,14 +287,16 @@ var ( ) func gasCreate(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize uint64) (uint64, error) { - var ( - overflow bool - ) + var overflow bool gas, err := memoryGasCost(mem, memorySize) if err != nil { return 0, err } - evm.callGasTemp, err = callGas(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), contract.Gas, gas, new(uint256.Int).SetUint64(contract.Gas)) + remainingGasTemp, overflow := math.SafeSub(contract.Gas, gas) + if overflow { + return 0, ErrGasUintOverflow + } + evm.callGasTemp, err = callGas(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), remainingGasTemp, 0, new(uint256.Int).SetUint64(remainingGasTemp)) if err != nil { return 0, err } @@ -319,7 +321,11 @@ func gasCreate2(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memoryS if gas, overflow = math.SafeAdd(gas, wordGas); overflow { return 0, ErrGasUintOverflow } - evm.callGasTemp, err = callGas(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), contract.Gas, gas, new(uint256.Int).SetUint64(contract.Gas)) + remainingGasTemp, overflow := math.SafeSub(contract.Gas, gas) + if overflow { + return 0, ErrGasUintOverflow + } + evm.callGasTemp, err = callGas(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), remainingGasTemp, 0, new(uint256.Int).SetUint64(remainingGasTemp)) if err != nil { return 0, err } diff --git a/core/vm/instructions.go b/core/vm/instructions.go index e8fd36462b..796348f0c2 100644 --- a/core/vm/instructions.go +++ b/core/vm/instructions.go @@ -604,7 +604,6 @@ func opCreate(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([] // reuse size int for stackvalue stackvalue := size - callContext.contract.UseGas(gas) //TODO: use uint256.Int instead of converting with toBig() var bigVal = big0 if !value.IsZero() { From 05f0d9c5bfa13659cc90b66adc11f175dfe57761 Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Wed, 4 Nov 2020 15:51:09 +0200 Subject: [PATCH 68/74] tracers: generate assets.go --- eth/tracers/internal/tracers/assets.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/eth/tracers/internal/tracers/assets.go b/eth/tracers/internal/tracers/assets.go index 1bb514be06..6c206cbcb2 100644 --- a/eth/tracers/internal/tracers/assets.go +++ b/eth/tracers/internal/tracers/assets.go @@ -146,7 +146,7 @@ func call_tracerJs() (*asset, error) { return a, nil } -var _call_tracer_parityJs = 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+var _call_tracer_parityJs = 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func call_tracer_parityJsBytes() ([]byte, error) { return bindataRead( From c5b538680f387df25a9a6e21a4da84aa08e149bb Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Wed, 4 Nov 2020 18:11:41 +0200 Subject: [PATCH 69/74] core/vm: add createGasEip150 for CREATE/CREATE2 gas calc of 63/64 rule on EIP150 --- core/vm/gas.go | 12 ++++++++++++ core/vm/gas_table.go | 5 ++--- 2 files changed, 14 insertions(+), 3 deletions(-) diff --git a/core/vm/gas.go b/core/vm/gas.go index 5cf1d852d2..2164871eb7 100644 --- a/core/vm/gas.go +++ b/core/vm/gas.go @@ -30,6 +30,18 @@ const ( GasExtStep uint64 = 20 ) +// createGas returns the actual gas available for the call. +// +// The cost of gas was changed during the homestead price change HF. +// As part of EIP 150 (TangerineWhistle), the returned gas is gas - gas * 63 / 64. +func createGasEip150(isEip150 bool, availableGas uint64) (uint64, error) { + if isEip150 { + gas := availableGas - availableGas/64 + return gas, nil + } + return availableGas, nil +} + // callGas returns the actual gas cost of the call. // // The cost of gas was changed during the homestead price change HF. diff --git a/core/vm/gas_table.go b/core/vm/gas_table.go index b5b6782629..e87d55b935 100644 --- a/core/vm/gas_table.go +++ b/core/vm/gas_table.go @@ -22,7 +22,6 @@ import ( "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/common/math" "github.com/ethereum/go-ethereum/params/vars" - "github.com/holiman/uint256" ) // memoryGasCost calculates the quadratic gas for memory expansion. It does so @@ -296,7 +295,7 @@ func gasCreate(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySi if overflow { return 0, ErrGasUintOverflow } - evm.callGasTemp, err = callGas(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), remainingGasTemp, 0, new(uint256.Int).SetUint64(remainingGasTemp)) + evm.callGasTemp, err = createGasEip150(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), remainingGasTemp) if err != nil { return 0, err } @@ -325,7 +324,7 @@ func gasCreate2(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memoryS if overflow { return 0, ErrGasUintOverflow } - evm.callGasTemp, err = callGas(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), remainingGasTemp, 0, new(uint256.Int).SetUint64(remainingGasTemp)) + evm.callGasTemp, err = createGasEip150(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), remainingGasTemp) if err != nil { return 0, err } From b66cd1c5e329e8bfda359108344382c72d844dcf Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Wed, 4 Nov 2020 18:12:17 +0200 Subject: [PATCH 70/74] core/vm: cleanup use of evm.callGasTemp in interpreter --- core/vm/interpreter.go | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/core/vm/interpreter.go b/core/vm/interpreter.go index 2aa04a8e25..622467549f 100644 --- a/core/vm/interpreter.go +++ b/core/vm/interpreter.go @@ -160,11 +160,10 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) ( pc = uint64(0) // program counter cost uint64 // copies used by tracer - pcCopy uint64 // needed for the deferred Tracer - gasCopy uint64 // for Tracer to log gas remaining before execution - availableGasCopy uint64 // for Tracer to log gas available for the current call - logged bool // deferred Tracer should ignore already logged steps - res []byte // result of the opcode execution function + pcCopy uint64 // needed for the deferred Tracer + gasCopy uint64 // for Tracer to log gas remaining before execution + logged bool // deferred Tracer should ignore already logged steps + res []byte // result of the opcode execution function ) // Don't move this deferrred function, it's placed before the capturestate-deferred method, // so that it get's executed _after_: the capturestate needs the stacks before @@ -179,7 +178,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) ( defer func() { if err != nil { if !logged { - in.cfg.Tracer.CaptureState(in.evm, pcCopy, op, gasCopy, availableGasCopy, cost, mem, stack, returns, in.returnData, contract, in.evm.depth, err) + in.cfg.Tracer.CaptureState(in.evm, pcCopy, op, gasCopy, in.evm.callGasTemp, cost, mem, stack, returns, in.returnData, contract, in.evm.depth, err) } else { in.cfg.Tracer.CaptureFault(in.evm, pcCopy, op, gasCopy, cost, mem, stack, returns, contract, in.evm.depth, err) } @@ -247,10 +246,13 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) ( return nil, ErrGasUintOverflow } } + + // Clean up the callGasTemp on every iteration, as you never know how it might be used in the future, causing false positives + in.evm.callGasTemp = 0 + // Dynamic portion of gas // consume the gas and return an error if not enough gas is available. // cost is explicitly set so that the capture state defer method can get the proper cost - availableGasCopy = 0 if operation.dynamicGas != nil { var dynamicCost uint64 dynamicCost, err = operation.dynamicGas(in.evm, contract, stack, mem, memorySize) @@ -258,15 +260,13 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) ( if err != nil || !contract.UseGas(dynamicCost) { return nil, ErrOutOfGas } - // Available gas for this call, must be called after operation.dynamicGas. For debug tracing - availableGasCopy = in.evm.callGasTemp } if memorySize > 0 { mem.Resize(memorySize) } if in.cfg.Debug { - in.cfg.Tracer.CaptureState(in.evm, pc, op, gasCopy, availableGasCopy, cost, mem, stack, returns, in.returnData, contract, in.evm.depth, err) + in.cfg.Tracer.CaptureState(in.evm, pc, op, gasCopy, in.evm.callGasTemp, cost, mem, stack, returns, in.returnData, contract, in.evm.depth, err) logged = true } From ad4fdbea432ddf250232927a2eececb9431ed16c Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Thu, 5 Nov 2020 15:07:03 +0200 Subject: [PATCH 71/74] consensus/ethash: better name for AccumulateRewards -> GetRewards based on @iquidus suggestion --- consensus/ethash/consensus.go | 14 +++++++------- eth/api_tracer_parity.go | 4 ++-- 2 files changed, 9 insertions(+), 9 deletions(-) diff --git a/consensus/ethash/consensus.go b/consensus/ethash/consensus.go index 48c641f66f..c3aad5bca2 100644 --- a/consensus/ethash/consensus.go +++ b/consensus/ethash/consensus.go @@ -584,11 +584,10 @@ var ( big32 = big.NewInt(32) ) -// AccumulateRewards credits the coinbase of the given block with the mining -// reward. The total reward consists of the static block reward and rewards for -// included uncles. The coinbase of each uncle block is also rewarded. -// func AccumulateRewards(config ctypes.ChainConfigurator, state *state.StateDB, header *types.Header, uncles []*types.Header) { -func AccumulateRewards(config ctypes.ChainConfigurator, header *types.Header, uncles []*types.Header) (*big.Int, []*big.Int) { +// GetRewards calculates the mining reward. +// The total reward consists of the static block reward and rewards for +// included uncles. The coinbase of each uncle block is also calculated. +func GetRewards(config ctypes.ChainConfigurator, header *types.Header, uncles []*types.Header) (*big.Int, []*big.Int) { if config.IsEnabled(config.GetEthashECIP1017Transition, header.Number) { return ecip1017BlockReward(config, header, uncles) } @@ -615,9 +614,10 @@ func AccumulateRewards(config ctypes.ChainConfigurator, header *types.Header, un return reward, uncleRewards } -// accumulateRewards retreives rewards for a block and applies them to the coinbase accounts for miner and uncle miners +// accumulateRewards credits the coinbase of the given block with the mining +// reward. The coinbase of each uncle block is also rewarded. func accumulateRewards(config ctypes.ChainConfigurator, state *state.StateDB, header *types.Header, uncles []*types.Header) { - minerReward, uncleRewards := AccumulateRewards(config, header, uncles) + minerReward, uncleRewards := GetRewards(config, header, uncles) for i, uncle := range uncles { if i < len(uncleRewards) { state.AddBalance(uncle.Coinbase, uncleRewards[i]) diff --git a/eth/api_tracer_parity.go b/eth/api_tracer_parity.go index 74482ddd78..c49d30f6a8 100644 --- a/eth/api_tracer_parity.go +++ b/eth/api_tracer_parity.go @@ -63,7 +63,7 @@ func setConfigTracerToParity(config *TraceConfig) *TraceConfig { func traceBlockReward(ctx context.Context, eth *Ethereum, block *types.Block, config *TraceConfig) (*ParityTrace, error) { chainConfig := eth.blockchain.Config() - minerReward, _ := ethash.AccumulateRewards(chainConfig, block.Header(), block.Uncles()) + minerReward, _ := ethash.GetRewards(chainConfig, block.Header(), block.Uncles()) coinbase := block.Coinbase() @@ -84,7 +84,7 @@ func traceBlockReward(ctx context.Context, eth *Ethereum, block *types.Block, co func traceBlockUncleRewards(ctx context.Context, eth *Ethereum, block *types.Block, config *TraceConfig) ([]*ParityTrace, error) { chainConfig := eth.blockchain.Config() - _, uncleRewards := ethash.AccumulateRewards(chainConfig, block.Header(), block.Uncles()) + _, uncleRewards := ethash.GetRewards(chainConfig, block.Header(), block.Uncles()) results := make([]*ParityTrace, len(uncleRewards)) for i, uncle := range block.Uncles() { From e1a3c0115e6d663ba26dc54b7805bc464db479d8 Mon Sep 17 00:00:00 2001 From: meows Date: Thu, 5 Nov 2020 07:45:37 -0600 Subject: [PATCH 72/74] ethash: remove unnecessarily defensive conditional This is an unnecessary condition since each uncle will always get one reward (and they're in a known and constant order), so len(uncleRewards) will always be len(uncles). Signed-off-by: meows --- consensus/ethash/consensus.go | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/consensus/ethash/consensus.go b/consensus/ethash/consensus.go index c3aad5bca2..8322f76708 100644 --- a/consensus/ethash/consensus.go +++ b/consensus/ethash/consensus.go @@ -619,9 +619,7 @@ func GetRewards(config ctypes.ChainConfigurator, header *types.Header, uncles [] func accumulateRewards(config ctypes.ChainConfigurator, state *state.StateDB, header *types.Header, uncles []*types.Header) { minerReward, uncleRewards := GetRewards(config, header, uncles) for i, uncle := range uncles { - if i < len(uncleRewards) { - state.AddBalance(uncle.Coinbase, uncleRewards[i]) - } + state.AddBalance(uncle.Coinbase, uncleRewards[i]) } state.AddBalance(header.Coinbase, minerReward) } From 45d5f66c22dd87599376ebef06881b23c1fe8a6f Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Thu, 5 Nov 2020 16:22:57 +0200 Subject: [PATCH 73/74] core/vm, eth/tracers: make `evm.callGasTemp` public `evm.CallGasTemp` --- core/vm/evm.go | 4 ++-- core/vm/gas_table.go | 24 ++++++++++++------------ core/vm/instructions.go | 20 ++++++++++---------- core/vm/interpreter.go | 10 +++++----- core/vm/logger.go | 6 +++--- core/vm/logger_json.go | 2 +- core/vm/logger_test.go | 2 +- core/vm/runtime/runtime_test.go | 4 ++-- eth/tracers/tracer.go | 4 ++-- eth/tracers/tracer_test.go | 4 ++-- 10 files changed, 40 insertions(+), 40 deletions(-) diff --git a/core/vm/evm.go b/core/vm/evm.go index b94e3b3029..2fd7eb543a 100644 --- a/core/vm/evm.go +++ b/core/vm/evm.go @@ -121,10 +121,10 @@ type EVM struct { // abort is used to abort the EVM calling operations // NOTE: must be set atomically abort int32 - // callGasTemp holds the gas available for the current call. This is needed because the + // CallGasTemp holds the gas available for the current call. This is needed because the // available gas is calculated in gasCall* according to the 63/64 rule and later // applied in opCall*. - callGasTemp uint64 + CallGasTemp uint64 // callErrorTemp holds any errors caused during the execution of system opcodes (0xf0) // NOTE: it's being used only for tracers CallErrorTemp error diff --git a/core/vm/gas_table.go b/core/vm/gas_table.go index e87d55b935..5632d4fac4 100644 --- a/core/vm/gas_table.go +++ b/core/vm/gas_table.go @@ -295,11 +295,11 @@ func gasCreate(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySi if overflow { return 0, ErrGasUintOverflow } - evm.callGasTemp, err = createGasEip150(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), remainingGasTemp) + evm.CallGasTemp, err = createGasEip150(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), remainingGasTemp) if err != nil { return 0, err } - if gas, overflow = math.SafeAdd(gas, evm.callGasTemp); overflow { + if gas, overflow = math.SafeAdd(gas, evm.CallGasTemp); overflow { return 0, ErrGasUintOverflow } return gas, nil @@ -324,11 +324,11 @@ func gasCreate2(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memoryS if overflow { return 0, ErrGasUintOverflow } - evm.callGasTemp, err = createGasEip150(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), remainingGasTemp) + evm.CallGasTemp, err = createGasEip150(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), remainingGasTemp) if err != nil { return 0, err } - if gas, overflow = math.SafeAdd(gas, evm.callGasTemp); overflow { + if gas, overflow = math.SafeAdd(gas, evm.CallGasTemp); overflow { return 0, ErrGasUintOverflow } return gas, nil @@ -386,11 +386,11 @@ func gasCall(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memorySize return 0, ErrGasUintOverflow } - evm.callGasTemp, err = callGas(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), contract.Gas, gas, stack.Back(0)) + evm.CallGasTemp, err = callGas(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), contract.Gas, gas, stack.Back(0)) if err != nil { return 0, err } - if gas, overflow = math.SafeAdd(gas, evm.callGasTemp); overflow { + if gas, overflow = math.SafeAdd(gas, evm.CallGasTemp); overflow { return 0, ErrGasUintOverflow } return gas, nil @@ -411,11 +411,11 @@ func gasCallCode(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memory if gas, overflow = math.SafeAdd(gas, memoryGas); overflow { return 0, ErrGasUintOverflow } - evm.callGasTemp, err = callGas(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), contract.Gas, gas, stack.Back(0)) + evm.CallGasTemp, err = callGas(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), contract.Gas, gas, stack.Back(0)) if err != nil { return 0, err } - if gas, overflow = math.SafeAdd(gas, evm.callGasTemp); overflow { + if gas, overflow = math.SafeAdd(gas, evm.CallGasTemp); overflow { return 0, ErrGasUintOverflow } return gas, nil @@ -426,12 +426,12 @@ func gasDelegateCall(evm *EVM, contract *Contract, stack *Stack, mem *Memory, me if err != nil { return 0, err } - evm.callGasTemp, err = callGas(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), contract.Gas, gas, stack.Back(0)) + evm.CallGasTemp, err = callGas(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), contract.Gas, gas, stack.Back(0)) if err != nil { return 0, err } var overflow bool - if gas, overflow = math.SafeAdd(gas, evm.callGasTemp); overflow { + if gas, overflow = math.SafeAdd(gas, evm.CallGasTemp); overflow { return 0, ErrGasUintOverflow } return gas, nil @@ -442,12 +442,12 @@ func gasStaticCall(evm *EVM, contract *Contract, stack *Stack, mem *Memory, memo if err != nil { return 0, err } - evm.callGasTemp, err = callGas(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), contract.Gas, gas, stack.Back(0)) + evm.CallGasTemp, err = callGas(evm.ChainConfig().IsEnabled(evm.chainConfig.GetEIP150Transition, evm.BlockNumber), contract.Gas, gas, stack.Back(0)) if err != nil { return 0, err } var overflow bool - if gas, overflow = math.SafeAdd(gas, evm.callGasTemp); overflow { + if gas, overflow = math.SafeAdd(gas, evm.CallGasTemp); overflow { return 0, ErrGasUintOverflow } return gas, nil diff --git a/core/vm/instructions.go b/core/vm/instructions.go index 796348f0c2..0355ac4e99 100644 --- a/core/vm/instructions.go +++ b/core/vm/instructions.go @@ -599,7 +599,7 @@ func opCreate(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([] value = callContext.stack.pop() offset, size = callContext.stack.pop(), callContext.stack.pop() input = callContext.memory.GetCopy(int64(offset.Uint64()), int64(size.Uint64())) - gas = interpreter.evm.callGasTemp + gas = interpreter.evm.CallGasTemp ) // reuse size int for stackvalue stackvalue := size @@ -639,7 +639,7 @@ func opCreate2(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([ offset, size = callContext.stack.pop(), callContext.stack.pop() salt = callContext.stack.pop() input = callContext.memory.GetCopy(int64(offset.Uint64()), int64(size.Uint64())) - gas = interpreter.evm.callGasTemp + gas = interpreter.evm.CallGasTemp ) // reuse size int for stackvalue stackvalue := size @@ -668,10 +668,10 @@ func opCreate2(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([ func opCall(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) { stack := callContext.stack - // Pop gas. The actual gas in interpreter.evm.callGasTemp. + // Pop gas. The actual gas in interpreter.evm.CallGasTemp. // We can use this as a temporary value temp := stack.pop() - gas := interpreter.evm.callGasTemp + gas := interpreter.evm.CallGasTemp // Pop other call parameters. addr, value, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop() toAddr := common.Address(addr.Bytes20()) @@ -705,11 +705,11 @@ func opCall(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]by } func opCallCode(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) { - // Pop gas. The actual gas is in interpreter.evm.callGasTemp. + // Pop gas. The actual gas is in interpreter.evm.CallGasTemp. stack := callContext.stack // We use it as a temporary value temp := stack.pop() - gas := interpreter.evm.callGasTemp + gas := interpreter.evm.CallGasTemp // Pop other call parameters. addr, value, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop() toAddr := common.Address(addr.Bytes20()) @@ -741,10 +741,10 @@ func opCallCode(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ( func opDelegateCall(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) { stack := callContext.stack - // Pop gas. The actual gas is in interpreter.evm.callGasTemp. + // Pop gas. The actual gas is in interpreter.evm.CallGasTemp. // We use it as a temporary value temp := stack.pop() - gas := interpreter.evm.callGasTemp + gas := interpreter.evm.CallGasTemp // Pop other call parameters. addr, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop() toAddr := common.Address(addr.Bytes20()) @@ -768,11 +768,11 @@ func opDelegateCall(pc *uint64, interpreter *EVMInterpreter, callContext *callCt } func opStaticCall(pc *uint64, interpreter *EVMInterpreter, callContext *callCtx) ([]byte, error) { - // Pop gas. The actual gas is in interpreter.evm.callGasTemp. + // Pop gas. The actual gas is in interpreter.evm.CallGasTemp. stack := callContext.stack // We use it as a temporary value temp := stack.pop() - gas := interpreter.evm.callGasTemp + gas := interpreter.evm.CallGasTemp // Pop other call parameters. addr, inOffset, inSize, retOffset, retSize := stack.pop(), stack.pop(), stack.pop(), stack.pop(), stack.pop() toAddr := common.Address(addr.Bytes20()) diff --git a/core/vm/interpreter.go b/core/vm/interpreter.go index 622467549f..0df124224a 100644 --- a/core/vm/interpreter.go +++ b/core/vm/interpreter.go @@ -178,7 +178,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) ( defer func() { if err != nil { if !logged { - in.cfg.Tracer.CaptureState(in.evm, pcCopy, op, gasCopy, in.evm.callGasTemp, cost, mem, stack, returns, in.returnData, contract, in.evm.depth, err) + in.cfg.Tracer.CaptureState(in.evm, pcCopy, op, gasCopy, cost, mem, stack, returns, in.returnData, contract, in.evm.depth, err) } else { in.cfg.Tracer.CaptureFault(in.evm, pcCopy, op, gasCopy, cost, mem, stack, returns, contract, in.evm.depth, err) } @@ -200,6 +200,9 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) ( logged, pcCopy, gasCopy = false, pc, contract.Gas } + // Clean up the CallGasTemp on every iteration, as you never know how it might be used in the future, causing false positives + in.evm.CallGasTemp = 0 + // Get the operation from the jump table and validate the stack to ensure there are // enough stack items available to perform the operation. op = contract.GetOp(pc) @@ -247,9 +250,6 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) ( } } - // Clean up the callGasTemp on every iteration, as you never know how it might be used in the future, causing false positives - in.evm.callGasTemp = 0 - // Dynamic portion of gas // consume the gas and return an error if not enough gas is available. // cost is explicitly set so that the capture state defer method can get the proper cost @@ -266,7 +266,7 @@ func (in *EVMInterpreter) Run(contract *Contract, input []byte, readOnly bool) ( } if in.cfg.Debug { - in.cfg.Tracer.CaptureState(in.evm, pc, op, gasCopy, in.evm.callGasTemp, cost, mem, stack, returns, in.returnData, contract, in.evm.depth, err) + in.cfg.Tracer.CaptureState(in.evm, pc, op, gasCopy, cost, mem, stack, returns, in.returnData, contract, in.evm.depth, err) logged = true } diff --git a/core/vm/logger.go b/core/vm/logger.go index 940286e1e0..3b166b5d26 100644 --- a/core/vm/logger.go +++ b/core/vm/logger.go @@ -106,7 +106,7 @@ func (s *StructLog) ErrorString() string { // if you need to retain them beyond the current call. type Tracer interface { CaptureStart(from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) error - CaptureState(env *EVM, pc uint64, op OpCode, gas, availableGas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error + CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error CaptureFault(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, contract *Contract, depth int, err error) error CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) error } @@ -144,7 +144,7 @@ func (l *StructLogger) CaptureStart(from common.Address, to common.Address, crea // CaptureState logs a new structured log message and pushes it out to the environment // // CaptureState also tracks SLOAD/SSTORE ops to track storage change. -func (l *StructLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, availableGas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error { +func (l *StructLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error { // check if already accumulated the specified number of logs if l.cfg.Limit != 0 && l.cfg.Limit <= len(l.logs) { return errTraceLimitReached @@ -319,7 +319,7 @@ func (t *mdLogger) CaptureStart(from common.Address, to common.Address, create b return nil } -func (t *mdLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, availableGas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error { +func (t *mdLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error { fmt.Fprintf(t.out, "| %4d | %10v | %3d |", pc, op, cost) if !t.cfg.DisableStack { diff --git a/core/vm/logger_json.go b/core/vm/logger_json.go index a666c14fe5..5f3f2c42f7 100644 --- a/core/vm/logger_json.go +++ b/core/vm/logger_json.go @@ -46,7 +46,7 @@ func (l *JSONLogger) CaptureStart(from common.Address, to common.Address, create } // CaptureState outputs state information on the logger. -func (l *JSONLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, availableGas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error { +func (l *JSONLogger) CaptureState(env *EVM, pc uint64, op OpCode, gas, cost uint64, memory *Memory, stack *Stack, rStack *ReturnStack, rData []byte, contract *Contract, depth int, err error) error { log := StructLog{ Pc: pc, Op: op, diff --git a/core/vm/logger_test.go b/core/vm/logger_test.go index bbb3ae60f1..e287f0c7aa 100644 --- a/core/vm/logger_test.go +++ b/core/vm/logger_test.go @@ -61,7 +61,7 @@ func TestStoreCapture(t *testing.T) { stack.push(uint256.NewInt().SetUint64(1)) stack.push(uint256.NewInt()) var index common.Hash - logger.CaptureState(env, 0, SSTORE, 0, 0, 0, mem, stack, rstack, nil, contract, 0, nil) + logger.CaptureState(env, 0, SSTORE, 0, 0, mem, stack, rstack, nil, contract, 0, nil) if len(logger.storage[contract.Address()]) == 0 { t.Fatalf("expected exactly 1 changed value on address %x, got %d", contract.Address(), len(logger.storage[contract.Address()])) } diff --git a/core/vm/runtime/runtime_test.go b/core/vm/runtime/runtime_test.go index c146a0a687..ec16d5a74c 100644 --- a/core/vm/runtime/runtime_test.go +++ b/core/vm/runtime/runtime_test.go @@ -330,10 +330,10 @@ func (s *stepCounter) CaptureStart(from common.Address, to common.Address, creat return nil } -func (s *stepCounter) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, availableGas, cost uint64, memory *vm.Memory, stack *vm.Stack, rStack *vm.ReturnStack, rData []byte, contract *vm.Contract, depth int, err error) error { +func (s *stepCounter) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost uint64, memory *vm.Memory, stack *vm.Stack, rStack *vm.ReturnStack, rData []byte, contract *vm.Contract, depth int, err error) error { s.steps++ // Enable this for more output - //s.inner.CaptureState(env, pc, op, gas, availableGas, cost, memory, stack, rStack, contract, depth, err) + //s.inner.CaptureState(env, pc, op, gas, cost, memory, stack, rStack, contract, depth, err) return nil } diff --git a/eth/tracers/tracer.go b/eth/tracers/tracer.go index bed8aa9679..8abeb4e454 100644 --- a/eth/tracers/tracer.go +++ b/eth/tracers/tracer.go @@ -574,7 +574,7 @@ func (jst *Tracer) CaptureExtraContext(inputs map[string]interface{}) error { } // CaptureState implements the Tracer interface to trace a single step of VM execution. -func (jst *Tracer) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, availableGas, cost uint64, memory *vm.Memory, stack *vm.Stack, rStack *vm.ReturnStack, rdata []byte, contract *vm.Contract, depth int, err error) error { +func (jst *Tracer) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost uint64, memory *vm.Memory, stack *vm.Stack, rStack *vm.ReturnStack, rdata []byte, contract *vm.Contract, depth int, err error) error { if jst.err == nil { // Initialize the context if it wasn't done yet if !jst.inited { @@ -594,7 +594,7 @@ func (jst *Tracer) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, avail *jst.pcValue = uint(pc) *jst.gasValue = uint(gas) - *jst.availableGasValue = uint(availableGas) + *jst.availableGasValue = uint(env.CallGasTemp) *jst.costValue = uint(cost) *jst.depthValue = uint(depth) *jst.returnData = rdata diff --git a/eth/tracers/tracer_test.go b/eth/tracers/tracer_test.go index 651a086074..b4de998651 100644 --- a/eth/tracers/tracer_test.go +++ b/eth/tracers/tracer_test.go @@ -169,10 +169,10 @@ func TestHaltBetweenSteps(t *testing.T) { env := vm.NewEVM(vm.Context{BlockNumber: big.NewInt(1)}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Debug: true, Tracer: tracer}) contract := vm.NewContract(&account{}, &account{}, big.NewInt(0), 0) - tracer.CaptureState(env, 0, 0, 0, 0, 0, nil, nil, nil, nil, contract, 0, nil) + tracer.CaptureState(env, 0, 0, 0, 0, nil, nil, nil, nil, contract, 0, nil) timeout := errors.New("stahp") tracer.Stop(timeout) - tracer.CaptureState(env, 0, 0, 0, 0, 0, nil, nil, nil, nil, contract, 0, nil) + tracer.CaptureState(env, 0, 0, 0, 0, nil, nil, nil, nil, contract, 0, nil) if _, err := tracer.GetResult(); err.Error() != timeout.Error() { t.Errorf("Expected timeout error, got %v", err) From e447981171d6dd46e9f893a8f679d645ce56604b Mon Sep 17 00:00:00 2001 From: Chris Ziogas Date: Thu, 5 Nov 2020 16:42:45 +0200 Subject: [PATCH 74/74] eth/tracers: fix broken test `call_tracer_inner_create_oog_outer_throw.json` --- eth/tracers/internal/tracers/assets.go | 2 +- eth/tracers/internal/tracers/call_tracer.js | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/eth/tracers/internal/tracers/assets.go b/eth/tracers/internal/tracers/assets.go index 6c206cbcb2..44d9b8b3c7 100644 --- a/eth/tracers/internal/tracers/assets.go +++ b/eth/tracers/internal/tracers/assets.go @@ -126,7 +126,7 @@ func bigram_tracerJs() (*asset, error) { return a, nil } -var _call_tracerJs = 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+var _call_tracerJs = 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func call_tracerJsBytes() ([]byte, error) { return bindataRead( diff --git a/eth/tracers/internal/tracers/call_tracer.js b/eth/tracers/internal/tracers/call_tracer.js index 3ca7377738..1ac0f23323 100644 --- a/eth/tracers/internal/tracers/call_tracer.js +++ b/eth/tracers/internal/tracers/call_tracer.js @@ -47,6 +47,7 @@ type: op, from: toHex(log.contract.getAddress()), input: toHex(log.memory.slice(inOff, inEnd)), + gas: log.getAvailableGas(), gasIn: log.getGas(), gasCost: log.getCost(), value: '0x' + log.stack.peek(0).toString(16) @@ -125,7 +126,7 @@ if (call.type == 'CREATE' || call.type == "CREATE2") { // If the call was a CREATE, retrieve the contract address and output code - call.gasUsed = '0x' + bigInt(call.gasIn - call.gasCost - log.getGas()).toString(16); + call.gasUsed = '0x' + bigInt(call.gas - (log.getGas() - (call.gasIn - call.gasCost))).toString(16); delete call.gasIn; delete call.gasCost; var ret = log.stack.peek(0);