Merge pull request ethereum#95 from etclabscore/feat/cmd-echainspec-2

cmd/echainspec,build: reimplement echainspec command

.gitignore

@@ -24,6 +24,7 @@ build/_vendor/pkg
 
 # used by the Makefile
 /build/_workspace/
+/build/cache/
 /build/bin/
 /geth*.zip
 

.golangci.yml

@@ -1,3 +1,45 @@
+# This file configures github.com/golangci/golangci-lint.
+
+run:
+    timeout: 2m
+    tests: true
+    # default is true. Enables skipping of directories:
+    #   vendor$, third_party$, testdata$, examples$, Godeps$, builtin$
+    skip-dirs-use-default: true
+
+linters:
+    disable-all: true
+    enable:
+        - deadcode
+        - goconst
+        - goimports
+        - gosimple
+        - govet
+        - ineffassign
+        - misspell
+        # - staticcheck
+        - unconvert
+        # - unused
+        - varcheck
+
 linters-settings:
+    gofmt:
+        simplify: true
     goconst:
-        min-occurrences: 6
+        min-len: 3 # minimum length of string constant
+        min-occurrences: 6 # minimum number of occurrences
+
+issues:
+    exclude-rules:
+        - path: crypto/blake2b/
+          linters:
+              - deadcode
+        - path: crypto/bn256/cloudflare
+          linters:
+              - deadcode
+        - path: p2p/discv5/
+          linters:
+              - deadcode
+        - path: core/vm/instructions_test.go
+          linters:
+              - goconst

.travis.yml

@@ -15,7 +15,7 @@ matrix:
     deploy:
       provider: releases
       api_key:
-        secure: pGlbI2DRfTzdF75hkEwP5vMIpcP1iVEeW3W41DT1X+/GQPlgDN1DB/ocXtMbEId2vJCWgt1HfCSNb9F4NBI94TMamFJQPz4zy/VIXBClG1IGesloe159vU4PixrLBgeTTcuDJRx7X45JeKlHW9LN5ABxeEhYEzPj1De6P5NDePmbFNDvhOkaf5Spk0xGLumRzzf2SHk+w3au9RQM5gVUcgr5U81Qi/ys8aGCLtZ1T+avSoX9rFoB1/YGoHllJfMoNGJr5CLiBwnFGMY8SNfD7XruFptUjTe4D0sMNTgAbT8iDPbw9s5aa2ou2eFWsuGaa8v840kLF+J0dEW0L/y88YzzRbbK3Ve6qNvka8MZ26HLSry7JtAqT6QY0W+h2yMgOmJX6ehlCGg1PoZYVwTp4d0usE88CGa8kTSNlt6/OxVmvNU5E2TPCbiTxF1yI42RliE+r7FyX5TtvXvZmSzfrlZcJFn3amC02woe1Fs0GJWvscxdqyftuyIezpaRmkIrL0X+OzYjOLJA2CH6eUdJu0O52zSLg00UeXDd4y9dBgm8AWD1k5tuHQrqq2/tF7abz2XOtmt3cuL9XYOcbXm0lf88AiOEusDaWCoPNNBmvL8mJMCwLWdNsRGQO6NhdkzqH81njP86TCdpFQi7OJDgTobEuy+NXwRkx4B0620JssU= 
+        secure: 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
       file: multi-geth*-$TRAVIS_OS_NAME.*
       file_glob: true
       draft: true
@@ -29,7 +29,7 @@ matrix:
     sudo: required
     go: 1.13.x
     env:
-      - ARMv5 
+      - ARMv5
     git:
       submodules: false # avoid cloning ethereum/tests
     addons:
@@ -46,7 +46,7 @@ matrix:
     deploy:
       provider: releases
       api_key:
-        secure: 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 
+        secure: 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
       file: multi-geth*-arm.*
       file_glob: true
       draft: true

Makefile

@@ -32,11 +32,19 @@ ios:
 test: all
 	go run build/ci.go test
 
+sync-clients:
+	./params/parity.json.d/sync-parity-remote.sh
+
 test-multigeth: test-multigeth-features test-multigeth-chainspecs ## Runs all tests specific to multi-geth.
 
-test-multigeth-features: ## Runs tests specific to multi-geth using Fork/Feature configs.
-	@echo "Testing fork/feature/datatype implementation; equivalence."
+test-multigeth-features: test-multigeth-features-parity test-multigeth-features-multigeth ## Runs tests specific to multi-geth using Fork/Feature configs.
+
+test-multigeth-features-multigeth:
+	@echo "Testing fork/feature/datatype implementation; equivalence - PARITY."
 	env MULTIGETH_TESTS_CHAINCONFIG_FEATURE_EQUIVALENCE_PARITY=on go test -count=1 ./tests
+
+test-multigeth-features-parity:
+	@echo "Testing fork/feature/datatype implementation; equivalence - MULTIGETH."
 	env MULTIGETH_TESTS_CHAINCONFIG_FEATURE_EQUIVALENCE_MULTIGETH=on go test -count=1 ./tests
 
 test-multigeth-chainspecs: ## Run tests specific to multi-geth using chainspec file configs.
@@ -63,6 +71,8 @@ lint: ## Run linters.
 clean:
 	./build/clean_go_build_cache.sh
 	rm -fr $(GOBIN)/*
+	go clean -cache
+	rm -fr build/_workspace/pkg/ $(GOBIN)/*
 
 # The devtools target installs tools required for 'go generate'.
 # You need to put $GOBIN (or $GOPATH/bin) in your PATH to use 'go generate'.

accounts/abi/abi_test.go

@@ -927,7 +927,7 @@ func TestABI_MethodById(t *testing.T) {
 		}
 		b := fmt.Sprintf("%v", m2)
 		if a != b {
-			t.Errorf("Method %v (id %v) not 'findable' by id in ABI", name, common.ToHex(m.ID()))
+			t.Errorf("Method %v (id %x) not 'findable' by id in ABI", name, m.ID())
 		}
 	}
 	// Also test empty

accounts/abi/bind/backends/simulated.go

@@ -39,8 +39,8 @@ import (
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/params"
-	"github.com/ethereum/go-ethereum/params/types"
 	"github.com/ethereum/go-ethereum/params/types/ctypes"
+	"github.com/ethereum/go-ethereum/params/types/genesisT"
 	"github.com/ethereum/go-ethereum/params/vars"
 	"github.com/ethereum/go-ethereum/rpc"
 )
@@ -70,8 +70,8 @@ type SimulatedBackend struct {
 
 // NewSimulatedBackendWithDatabase creates a new binding backend based on the given database
 // and uses a simulated blockchain for testing purposes.
-func NewSimulatedBackendWithDatabase(database ethdb.Database, alloc paramtypes.GenesisAlloc, gasLimit uint64) *SimulatedBackend {
-	genesis := paramtypes.Genesis{Config: params.AllEthashProtocolChanges, GasLimit: gasLimit, Alloc: alloc}
+func NewSimulatedBackendWithDatabase(database ethdb.Database, alloc genesisT.GenesisAlloc, gasLimit uint64) *SimulatedBackend {
+	genesis := genesisT.Genesis{Config: params.AllEthashProtocolChanges, GasLimit: gasLimit, Alloc: alloc}
 	core.MustCommitGenesis(database, &genesis)
 	blockchain, _ := core.NewBlockChain(database, nil, genesis.Config, ethash.NewFaker(), vm.Config{}, nil)
 
@@ -87,7 +87,7 @@ func NewSimulatedBackendWithDatabase(database ethdb.Database, alloc paramtypes.G
 
 // NewSimulatedBackend creates a new binding backend using a simulated blockchain
 // for testing purposes.
-func NewSimulatedBackend(alloc paramtypes.GenesisAlloc, gasLimit uint64) *SimulatedBackend {
+func NewSimulatedBackend(alloc genesisT.GenesisAlloc, gasLimit uint64) *SimulatedBackend {
 	return NewSimulatedBackendWithDatabase(rawdb.NewMemoryDatabase(), alloc, gasLimit)
 }
 

accounts/abi/bind/backends/simulated_test.go

@@ -27,15 +27,15 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
-	"github.com/ethereum/go-ethereum/params/types"
+	"github.com/ethereum/go-ethereum/params/types/genesisT"
 )
 
 func TestSimulatedBackend(t *testing.T) {
 	var gasLimit uint64 = 8000029
 	key, _ := crypto.GenerateKey() // nolint: gosec
 	auth := bind.NewKeyedTransactor(key)
-	genAlloc := make(paramtypes.GenesisAlloc)
-	genAlloc[auth.From] = paramtypes.GenesisAccount{Balance: big.NewInt(9223372036854775807)}
+	genAlloc := make(genesisT.GenesisAlloc)
+	genAlloc[auth.From] = genesisT.GenesisAccount{Balance: big.NewInt(9223372036854775807)}
 
 	sim := backends.NewSimulatedBackend(genAlloc, gasLimit)
 	defer sim.Close()
@@ -72,7 +72,7 @@ func TestSimulatedBackend(t *testing.T) {
 	}
 
 	sim.Commit()
-	tx, isPending, err = sim.TransactionByHash(context.Background(), txHash)
+	_, isPending, err = sim.TransactionByHash(context.Background(), txHash)
 	if err != nil {
 		t.Fatalf("error getting transaction with hash: %v", txHash.String())
 	}

accounts/abi/bind/base.go

@@ -287,7 +287,7 @@ func (c *BoundContract) FilterLogs(opts *FilterOpts, name string, query ...[]int
 		return nil
 	}), nil
 
-	return logs, sub, nil
+	return logs, sub, err
 }
 
 // WatchLogs filters subscribes to contract logs for future blocks, returning a

accounts/abi/bind/bind.go

@@ -48,12 +48,16 @@ const (
 // enforces compile time type safety and naming convention opposed to having to
 // manually maintain hard coded strings that break on runtime.
 func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]string, pkg string, lang Lang, libs map[string]string, aliases map[string]string) (string, error) {
-	// Process each individual contract requested binding
-	contracts := make(map[string]*tmplContract)
+	var (
+		// contracts is the map of each individual contract requested binding
+		contracts = make(map[string]*tmplContract)
 
-	// Map used to flag each encountered library as such
-	isLib := make(map[string]struct{})
+		// structs is the map of all reclared structs shared by passed contracts.
+		structs = make(map[string]*tmplStruct)
 
+		// isLib is the map used to flag each encountered library as such
+		isLib = make(map[string]struct{})
+	)
 	for i := 0; i < len(types); i++ {
 		// Parse the actual ABI to generate the binding for
 		evmABI, err := abi.JSON(strings.NewReader(abis[i]))
@@ -73,7 +77,6 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
 			calls     = make(map[string]*tmplMethod)
 			transacts = make(map[string]*tmplMethod)
 			events    = make(map[string]*tmplEvent)
-			structs   = make(map[string]*tmplStruct)
 
 			// identifiers are used to detect duplicated identifier of function
 			// and event. For all calls, transacts and events, abigen will generate
@@ -168,7 +171,6 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
 			Transacts:   transacts,
 			Events:      events,
 			Libraries:   make(map[string]string),
-			Structs:     structs,
 		}
 		// Function 4-byte signatures are stored in the same sequence
 		// as types, if available.
@@ -200,6 +202,7 @@ func Bind(types []string, abis []string, bytecodes []string, fsigs []map[string]
 		Package:   pkg,
 		Contracts: contracts,
 		Libraries: libs,
+		Structs:   structs,
 	}
 	buffer := new(bytes.Buffer)