state modifications as network upgrade #549

darioush · 2023-02-28T01:47:54Z

Why this should be merged

This PR implements support for performing state modifications as a network upgrade.
Node operators may specify modifications to state including:

Balance changes
Setting of a given storage slot to a given value
Changing the code at an address

as a network upgrade via upgradeBytes (aka upgrades.json)

How this works

Follows a similar pattern to the precompile activations, without modifying the runtime with a callable contract address.

How this was tested

Unit tests
Tested the balance change portion on a local network.

How is this documented

docs PR

core/state_processor.go

darioush · 2023-02-28T01:55:51Z

stateupgrade/interfaces.go

+)
+
+// StateDB is the interface for accessing EVM state in state upgrades
+type StateDB interface {


we could also move stateupgrade under precompile or reuse interfaces there but I think it is slightly better to keep them separate

params/state_upgrade.go

…grades

darioush · 2023-02-28T15:12:18Z

plugin/evm/vm_test.go

 	"github.com/ava-labs/avalanchego/snow/validators"
 	avalancheConstants "github.com/ava-labs/avalanchego/utils/constants"
 	"github.com/ava-labs/avalanchego/utils/formatting"
 	"github.com/ava-labs/avalanchego/utils/logging"
 	"github.com/ava-labs/avalanchego/version"
 	"github.com/ava-labs/avalanchego/vms/components/chain"

-	engCommon "github.com/ava-labs/avalanchego/snow/engine/common"


renamed for consistency and organized imports in this file

params/state_upgrade.go

friskyfoxdk · 2023-02-28T19:39:17Z

stateupgrade/state_upgrade.go

+			// so the account is not considered empty.
+			state.SetNonce(account, 1)
+		}
+		state.SetCode(account, upgrade.Code)


Is the approach to specify the bytecode in the upgrade.json file when configuring a code state upgrade?

@friskyfoxdk yes that is the thought process, you can specify it like:

"stateUpgrades":[{ "blockTimestamp":1677610800, "accounts":{ "0xaddr": { "code": "0xbytecode" } }]

or similar.
Does this work for your use case?

Yes, that should be fine, thanks for confirming.

core/genesis.go

core/state_processor.go

miner/worker.go

params/config.go

core/state_processor.go

…grades

anusha-ctrl · 2023-03-07T23:27:32Z

stateupgrade/state_upgrade.go

+		// if the nonce is 0, set the nonce to 1 as we would when deploying a contract at
+		// the address.
+		if isEIP158 && state.GetNonce(account) == 0 {
+			state.SetNonce(account, 1)


are we setting nonce = 1 to prevent account deletion according to EIP158?

If we set the code, why do we need lines 37-38?

The account is not considered "empty"

Let me know if I am misunderstanding something. https://github.com/ethereum/EIPs/blob/master/EIPS/eip-158.md

this code was added for symmetry with https://github.com/ava-labs/subnet-evm/blob/master/core/vm/evm.go?rgh-link-date=2023-03-01T10%3A25%3A28Z#L526 (the create opcode)

Right that makes sense to increase the nonce after creation since it is considered "empty". However, we set the account code to some codebytes which makes it not "empty". Not sure why we are also increasing nonce as well

true. at the end, a contract deployed to a new address with create will have nonce = 1 and if we deploy a new contract via the state upgrade I think it is better to also have nonce = 1

ok got it. its just for symmetry

anusha-ctrl · 2023-03-07T23:37:50Z

precompile/contract/interfaces.go

@@ -34,14 +34,11 @@ type StateDB interface {
 	GetState(common.Address, common.Hash) common.Hash
 	SetState(common.Address, common.Hash, common.Hash)

-	SetCode(common.Address, []byte)
-
 	SetNonce(common.Address, uint64)


why did we remove these functions from precompile?

They were not used, so we should keep the interfaces narrower when possible.
I believe it was used prior to the refactoring.

Ok, makes sense but what if future precompiles want to use these functions? I'm ok either way

anusha-ctrl · 2023-03-07T23:50:36Z

do we need to modify genesis as well?

darioush · 2023-03-08T00:00:18Z

@aaronbuchwald explicitly wanted to leave state modification out of genesis (since you can already control genesis via the alloc).
I am not strongly opinionated on whether we should apply the state modification upgrade at genesis.

anusha-ctrl · 2023-03-08T00:06:59Z

Ah yes,GenesisAlloc solves this thanks! 👍

ceyonur · 2023-03-08T14:08:00Z

params/precompile_upgrade.go

+	for i, upgrade := range c.StateUpgrades {
+		upgradeTimestamp := upgrade.BlockTimestamp
+		// Verify specified timestamps are strictly monotonically increasing.
+		if previousUpgradeTimestamp != nil && upgradeTimestamp.Cmp(previousUpgradeTimestamp) <= 0 {


if we decided not to use state upgrades at genesis, should we check if timestamp != 0? cc @aaronbuchwald

Ya I think we should add this check since we are not allowing them in the genesis

ceyonur · 2023-03-08T14:10:38Z

stateupgrade/state_upgrade.go

+// (c) 2023 Ava Labs, Inc. All rights reserved.
+// See the file LICENSE for licensing terms.
+
+package stateupgrade


what's our final decision with this?

darioush · 2023-03-08T21:11:02Z

@ceyonur We decided to consider revisiting the packaging structure in a later PR.

@V3

* - Adding missing import "encoding/json" (used in Stringer-method) (ava-labs#465) - re-ordering of imports * fix allow list comments (ava-labs#469) * fix allow list comments * cleaner sentences * use preallocated big nums * infer allow list role type * add nil checks (ava-labs#473) * add nil checks * add unit test * use non nil config * use non-nil configs --------- Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> * Warp backend interface and implementation (ava-labs#452) * base warp backend * add signature caching * add docs * error handling * pr fixes * hash unsigned message for key * quick pr fixes and merge * save signature instead of whole msg * use avaGO cache * rename warpBackend and docs * fix nits * Update plugin/evm/warp_backend.go * Update plugin/evm/warp_backend.go * fix pr nits * pr fixes and testing * type check for caching * fix imports * use memdb and remove extra test * remove unused * fix imports * saving message in db and pr fixes * update copyright * update backend variable naming * add comment about saving db vs cache * Add documentation section to PR template (ava-labs#484) * remove current rules (ava-labs#481) Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> * add documentation guidelines (ava-labs#486) * add documentation guidelines * fix * parseInt from ENV var (ava-labs#491) * Add generate precompile script to fix CGO flags issue (ava-labs#489) * try to fix lint job (ava-labs#499) * build with avago v1.9.8 (ava-labs#498) * build with avago v1.9.8 * add indirect deps * build fix * another build fix * try to fix lint job * Signature Request Handler (ava-labs#459) Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> * Update codeowners (ava-labs#492) Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> * Get signature endpoint: alternative PR with different packaging (ava-labs#507) * base warp backend * add signature caching * add docs * error handling * pr fixes * basic signature request * hash unsigned message for key * implement new Request and RequestHandler interfaces * signature handler impl without constructing one * fix import * quick pr fixes and merge * quick pr fixes and merge * save signature instead of whole msg * use avaGO cache * rename warpBackend and docs * fix nits * Update plugin/evm/warp_backend.go Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> * Update plugin/evm/warp_backend.go Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> * fix pr nits * pr fixes and testing * type check for caching * handlers and request before tests * fix imports * signature handler with stats and test * use memdb and remove extra test * remove unused * fix imports * fix imports * nit * update license year * use require noError * saving message in db and pr fixes * create noop signature handler and refactor code handler * get signature endpoint * add api arg to evm client * Update sync/handlers/handler.go Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> * update backend return value * refactor handlers to network handler * change constructor of handler stats * pr cleanups * warp api * initialize warp backend * build fix * wip * warp api follows eth api pattern * cleanup and comments * clean up response * fix warp client return type * nits for get-signature-endpoint (ava-labs#502) Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> Co-authored-by: Ceyhun Onur <ceyhun.onur@avalabs.org> Co-authored-by: cam-schultz <78878559+cam-schultz@users.noreply.github.com> * resolve merge conflict * warp: Group packages for symmetry w/ sync * more reshuffle * more shuffle * pr comments * fix * update to []byte * update svc return type * rename arg * fix type * add stats pkg --------- Co-authored-by: Matthew Lam <matthew.lam@avalabs.org> Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> Co-authored-by: cam-schultz <camschultz32@gmail.com> Co-authored-by: Ceyhun Onur <ceyhun.onur@avalabs.org> Co-authored-by: cam-schultz <78878559+cam-schultz@users.noreply.github.com> * Update github actions to ignore rcs (ava-labs#521) * Remove unnecessary gasprice updater logic and tests (ava-labs#514) * Remove unnecessary gasprice updater logic and tests * Remove comment referencing gas price updater * Revert default price limit change * Move set min fee back to vm.go * Update to retain previous tx pool gas price setting behavior * Bump avalanchego to v1.9.9-rc.4 (ava-labs#526) * Bump avalanchego to v1.9.9-rc.4 * Fix imports * Bump compatibility.json for latest avalanchego release * Bump AvalancheGo dep to v1.9.9 (ava-labs#530) * Update AvalancheGo compatibility (ava-labs#531) * Start v0.4.10 release cycle (ava-labs#533) * Stateful Precompile Improvements (ava-labs#389) * move inline string ABIs to separate files and embed them (ava-labs#383) * move inline string ABIs to separate files and embed them * fix tests * fix tests * unexport function * Update accounts/abi/bind/bind.go Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> * fix func name Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> * replace getByKey with getByAddress (ava-labs#395) * rework on panics in precompiles (ava-labs#418) * rework on panics in precompiles * Update precompile/allow_list.go Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> * Update precompile/fee_config_manager.go Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> * Update precompile/fee_config_manager.go Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> * fix reviews * wrap errors in ConfigurePrecompiles * cleaner errors * Update utils.go * Update miner/worker.go Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> * Update core/state_processor.go Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> * Precompile Specific Packages (ava-labs#420) * rework on panics in precompiles * Update precompile/allow_list.go Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> * Update precompile/fee_config_manager.go Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> * Update precompile/fee_config_manager.go Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> * fix reviews * wrap errors in ConfigurePrecompiles * cleaner errors * move reward manager precompile to package (WIP) * rename files * fix abi path * move typecheck * move precompiles to their own packages * refactor precompile template * remove test file * upate comments * rm test files * new allowlist package * Update precompile/utils.go Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> * Update precompile/nativeminter/contract_native_minter.go Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> * Update precompile/nativeminter/contract_native_minter.go Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> * Update precompile/utils.go Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> * Update precompile/nativeminter/contract_native_minter.go Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> * fix nits Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> * rename fee manager config struct (ava-labs#427) * rename struct * rename fee config managers to fee managers * fix comments * Generalized upgrades rb (ava-labs#434) * introduce precompiles as registrable modules * add precompile specific contract tests * remove print debug * add unmarshal tests * remove unnecessary func * fix initial disabled value * register all modules in core/evm/contract_stateful * more refactor & test fix * sync template * fix more tests * rename file * add comment * rename * fix linter * use require error contains * remove whitespace * trim mock interface * sort steps * reviews * Update precompile/stateful_precompile_module.go * Update params/precompile_config.go * Update params/precompile_config.go * fix reviews * add new module to configs and group module functions * generalized-upgrades-rb review (ava-labs#474) * keep genesis disabled fix * nits * nits * nit * review fixes * Update precompile/allowlist/allowlist.go * use address in map * fix linter for embedded keys * update err messages * more err update * remove unnecessary function (ava-labs#478) * Start work on breaking cyclic dependency (ava-labs#496) * Update core/state_processor.go * fix reviews * Update precompile/contracts/txallowlist/contract_test.go * Generalized upgrades rb nits0 (ava-labs#512) * Minor improvements * restore readOnly * more updates * Add back readOnly to allow list tests * Precompile improvements merge (ava-labs#513) Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> Co-authored-by: Ceyhun Onur <ceyhun.onur@avalabs.org> Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> Co-authored-by: cam-schultz <78878559+cam-schultz@users.noreply.github.com> Co-authored-by: Matthew Lam <matthew.lam@avalabs.org> Co-authored-by: cam-schultz <camschultz32@gmail.com> Co-authored-by: omahs <73983677+omahs@users.noreply.github.com> Co-authored-by: Anusha <63559942+anusha-ctrl@users.noreply.github.com> Co-authored-by: Hagen Hübel <hhuebel@itinance.com> Co-authored-by: minghinmatthewlam <matthew.lam@avalabs.org> Fix: typos (ava-labs#428) fix allow list comments (ava-labs#469) fix CGO flags issue (ava-labs#489) fix lint job (ava-labs#499) * review fixes * minor nits * fix precompile generator * fix fee manager config test * remove debug files * Update core/state_processor.go Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> * fix comments * restore statedb ordering * fix configure in reward manager * precompiles: adds a regression test for the IsDisabled case in AvalancheRules (ava-labs#515) * Rename configs: alternative (ava-labs#520) * alternative renaming for precompile configs * fixes * update naming * rename to AllowListConfig * simplify * move blackhole check to module registerer (ava-labs#523) * move blackhole check to module registerer * check blackhole first * add unit test * Add test case for registering module outside of reserved range --------- Co-authored-by: Aaron Buchwald <aaron.buchwald56@gmail.com> * precompile: improve test structure (ava-labs#517) * refactor precompile tests * minor improvements * nit * fix merge * rename package * pr comments * rm file * merge AllowListTests * pr comments * explicit BeforeHook * wspace * Mark TestTransactionIndices flaky --------- Co-authored-by: Aaron Buchwald <aaron.buchwald56@gmail.com> * nit improvements (ava-labs#529) * nit improvements * move comments to README * Update cmd/precompilegen/template-readme.md * Rename new config (ava-labs#528) * rename configurator's new config to make config * use new built-in to create new config instance * precompile: just nits (ava-labs#534) * fix e2e comment in readme (ava-labs#540) * fix config template for precompilegen (ava-labs#538) * fix config template for precompilegen * nits * nit * nits * Update compatibility in README for v0.4.10 (ava-labs#542) * Bump minimum golang version to v1.20.1 (ava-labs#548) * Bump minimum golang version to 1.20.1 * Remove debug flag from gh action release * add whitespace (ava-labs#544) Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> * Set minimum golang version to go1.19.6 (ava-labs#551) * add custom marshaller for GetChainConfigResponse api (ava-labs#546) * add yet another custom marshaller to GetChainConfigResponse api * enforce a json len before allocation * Move chain config wrapper type to params/ and add test * Fix trailing newline * Remove flaky unit test * Add back unit test with JSONeq --------- Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> * Start coreth migration (ava-labs#552) * Start coreth migration * Bump version to v0.4.11 and avalanchego dep * goimports core/blockchain.go * Update compatibility.json * Update compatibility in README * Bump avalanchego dep to v1.9.10 * Start release cycle v0.4.12 (ava-labs#559) * start v0.4.12 release cycle * add setup action to lint ci for proper go version * Bump version in plugin/evm/version.go * Remove go version pin * Revert "Remove go version pin" This reverts commit e651beb. * bump golangci-lint-acion to @V3 * bump golangci lint * try 1.48 * golangci-lint v1.51 and goimports leveldb file * migrate linting changes from coreth * goimports and fix diagram comments * Fix bad goimports changes --------- Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> * remove stderr pipelining (ava-labs#562) * Add ChainConfig JSON Unmarshaller (ava-labs#554) * add unmarshaller * add comments * Update codeql to v2 (ava-labs#566) * state modifications as network upgrade (ava-labs#549) Co-authored-by: Aaron Buchwald <aaron.buchwald56@gmail.com> * Fix Dockerfile and add Build Image to GH Actions (ava-labs#561) * Remove specified git version to avoid downgrades breaking docker build * Add build docker image to unit test action * Update to use current branch instead of commit for docker image build * Update docker image script to push image if env var is set * Add new line to build image script * Update scripts/constants.sh Co-authored-by: Sam Batschelet <sam.batschelet@avalabs.org> * Update docker login * Update build image action * Update gh action * checkout for docker image build * Set build image ID in gh action with github.ref_name * Separate CI and release * remove extra copy * Update name * Update variable used in build image id * Update set var * Update dockerhub repo * Revert dockerhub repo name chnge and use Subnet-EVM in tag name --------- Co-authored-by: Sam Batschelet <sam.batschelet@avalabs.org> * add compatibility to readme (ava-labs#568) * Precompile pre post handling (ava-labs#524) * Re-apply warp precompile interface changes * Address nits * Separate predicate storage slot preparation into separate function in statedb * fix lint * improve miner enforcePredicates comment * Add HashSliceToBytes test case for empty slice * Address comments * Address comments WIP * Pre+post handling diff for shared mem precompile * Separate proposer and general precompile predicates * Update ShouldVerifyWithContext to return true iff proposer predicate is specified * Add checkPredicates unit test * Update .gitignore * goimports * update * goimports config * Address PR review comments and improve comments * Fix typo * Address PR comments * Add rules into PrepareAccessList * Only copy bytes in preparePredicates if predicate precompile is active * Address PR comments --------- Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> * Warp preparation (ava-labs#573) * Add warp precompile preparation * Update hash slice packing * Remove unnecessary local var * Add VM type assertion * Enable Warp API by default * convert from int->uint for more clarity (ava-labs#575) * release tickers on shutdown (ava-labs#574) * release tickers on shutdown * move shutdownWg.done to other defer block * simplify functionSignatureRegex (ava-labs#578) * Remove unused imgs from repo (ava-labs#580) * Matches go-ethereum/pull/26912/files (ava-labs#582) * Add ignore unnecessary import to precompile contract template (ava-labs#581) * trie, accounts/abi: nits: adds err checks (ava-labs#583) * Adds a test for PeerTracker (ava-labs#576) * upgrade avalanche go and add logs * update avalanche go version * add gotenv and get env variables from .env file * Revert "add gotenv and get env variables from .env file" This reverts commit 87b0007. * refactoring * upgrade avalanche go to v1.9.14 * use GRPC_ prefix in env variable to inject env variables --------- Co-authored-by: Hagen Hübel <hhuebel@itinance.com> Co-authored-by: Ceyhun Onur <ceyhun.onur@avalabs.org> Co-authored-by: aaronbuchwald <aaron.buchwald56@gmail.com> Co-authored-by: minghinmatthewlam <matthew.lam@avalabs.org> Co-authored-by: Darioush Jalali <darioush.jalali@avalabs.org> Co-authored-by: cam-schultz <78878559+cam-schultz@users.noreply.github.com> Co-authored-by: cam-schultz <camschultz32@gmail.com> Co-authored-by: Patrick O'Grady <prohb125@gmail.com> Co-authored-by: Sam Batschelet <sam.batschelet@avalabs.org>

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stateUpgrades Documentation ava-labs/avalanche-docs#1257

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darioush Mar 7, 2023 • edited Loading

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anusha-ctrl commented Mar 7, 2023

darioush commented Mar 8, 2023

anusha-ctrl commented Mar 8, 2023

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darioush commented Mar 8, 2023

darioush commented Feb 28, 2023 •

edited

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darioush Feb 28, 2023 •

edited

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darioush Mar 7, 2023 •

edited

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