From 87774a92c88993f10ed2619fd5e158e5738c1f17 Mon Sep 17 00:00:00 2001 From: !shan Date: Thu, 18 Jan 2024 16:54:59 +0100 Subject: [PATCH] Add chain utils (#12) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * 🌱 Add chain utils * ♻️ Update interfaces and rename file * ♻️ Fix test and mocking * ♻️ Simplify chain utils * 💅 Improve docs * ♻️ Expose ProofResponse from chain --- Makefile | 8 ++ go.mod | 34 ++++++++- go.sum | 181 ++++++++++++++++++++++++++++++++++++++++++++- pkg/chain/chain.go | 72 +++++++++++++++++- 4 files changed, 290 insertions(+), 5 deletions(-) diff --git a/Makefile b/Makefile index ffb9b7d..83d8818 100644 --- a/Makefile +++ b/Makefile @@ -8,11 +8,19 @@ test: @echo "Test packages" @go test -race -shuffle=on -coverprofile=coverage.out -cover $(PKGS) +test.coverage: test + go tool cover -func=coverage.out + +test.coverage.html: test + go tool cover -html=coverage.out + lint: @go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest golangci-lint run + format: gofmt -s -w . + godocs: @go install golang.org/x/tools/cmd/godoc@latest @echo "open http://localhost:6060/pkg/github.com/LiskHQ/op-fault-detector" diff --git a/go.mod b/go.mod index beecaed..6f45dfe 100644 --- a/go.mod +++ b/go.mod @@ -2,6 +2,36 @@ module github.com/LiskHQ/op-fault-detector go 1.21.5 -require go.uber.org/zap v1.26.0 +require ( + github.com/ethereum/go-ethereum v1.13.10 + go.uber.org/zap v1.26.0 +) -require go.uber.org/multierr v1.10.0 // indirect +require ( + github.com/Microsoft/go-winio v0.6.1 // indirect + github.com/StackExchange/wmi v1.2.1 // indirect + github.com/bits-and-blooms/bitset v1.10.0 // indirect + github.com/btcsuite/btcd/btcec/v2 v2.2.0 // indirect + github.com/consensys/bavard v0.1.13 // indirect + github.com/consensys/gnark-crypto v0.12.1 // indirect + github.com/crate-crypto/go-kzg-4844 v0.7.0 // indirect + github.com/deckarep/golang-set/v2 v2.1.0 // indirect + github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect + github.com/ethereum/c-kzg-4844 v0.4.0 // indirect + github.com/go-ole/go-ole v1.2.5 // indirect + github.com/gorilla/websocket v1.4.2 // indirect + github.com/holiman/uint256 v1.2.4 // indirect + github.com/mmcloughlin/addchain v0.4.0 // indirect + github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect + github.com/supranational/blst v0.3.11 // indirect + github.com/tklauser/go-sysconf v0.3.12 // indirect + github.com/tklauser/numcpus v0.6.1 // indirect + go.uber.org/multierr v1.10.0 // indirect + golang.org/x/crypto v0.17.0 // indirect + golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa // indirect + golang.org/x/mod v0.14.0 // indirect + golang.org/x/sync v0.5.0 // indirect + golang.org/x/sys v0.15.0 // indirect + golang.org/x/tools v0.15.0 // indirect + rsc.io/tmplfunc v0.0.3 // indirect +) diff --git a/go.sum b/go.sum index f39e3a4..baa8c8b 100644 --- a/go.sum +++ b/go.sum @@ -1,14 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h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +rsc.io/tmplfunc v0.0.3 h1:53XFQh69AfOa8Tw0Jm7t+GV7KZhOi6jzsCzTtKbMvzU= +rsc.io/tmplfunc v0.0.3/go.mod h1:AG3sTPzElb1Io3Yg4voV9AGZJuleGAwaVRxL9M49PhA= diff --git a/pkg/chain/chain.go b/pkg/chain/chain.go index d65013d..10b9c86 100644 --- a/pkg/chain/chain.go +++ b/pkg/chain/chain.go @@ -1,2 +1,72 @@ -// Package chain implements everything related to interaction with smart contracts, rpcprovider, etc +// Package chain implements everything related to interaction with smart contracts, rpcprovider, etc. package chain + +import ( + "context" + "math/big" + + "github.com/LiskHQ/op-fault-detector/pkg/log" + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/common/hexutil" + "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/ethclient" +) + +const ( + rpcEndpointGetProof = "eth_getProof" +) + +// ChainAPIClient connects and encapsulates all the methods to interact with a chain. +type ChainAPIClient struct { + eth *ethclient.Client + log log.Logger +} + +type ProofResponse struct { + Address common.Address `json:"address"` + AccountProof []hexutil.Bytes `json:"accountProof"` + Balance *hexutil.Big `json:"balance"` + CodeHash common.Hash `json:"codeHash"` + Nonce hexutil.Uint64 `json:"nonce"` + StorageHash common.Hash `json:"storageHash"` + StorageProof []common.Hash `json:"storageProof"` +} + +// GetAPIClient returns [ChainAPIClient] with client attached. +func GetAPIClient(ctx context.Context, url string, log log.Logger) (*ChainAPIClient, error) { + client, err := ethclient.DialContext(ctx, url) + if err != nil { + return nil, err + } + + return &ChainAPIClient{ + eth: client, + log: log, + }, nil +} + +// GetChainID returns chainID of a connected node. +func (c *ChainAPIClient) GetChainID(ctx context.Context) (*big.Int, error) { + return c.eth.ChainID(ctx) +} + +// GetLatestBlockNumber returns latest block number from a connected node. +func (c *ChainAPIClient) GetLatestBlockNumber(ctx context.Context) (uint64, error) { + return c.eth.BlockNumber(ctx) +} + +// GetBlockByNumber returns block for a given block number from a connected node. +func (c *ChainAPIClient) GetBlockByNumber(ctx context.Context, blockNumber *big.Int) (*types.Block, error) { + return c.eth.BlockByNumber(ctx, blockNumber) +} + +// GetProof returns the account and storage values, including the Merkle proof, of the specified account/address. +func (c *ChainAPIClient) GetProof(ctx context.Context, blockNumber *big.Int, address common.Address) (*ProofResponse, error) { + var result ProofResponse + + if err := c.eth.Client().CallContext(ctx, &result, rpcEndpointGetProof, address, []string{}, hexutil.Big(*blockNumber)); err != nil { + return nil, err + } + + return &result, nil +}