mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-25 13:07:17 +00:00
264 lines
8.9 KiB
Go
264 lines
8.9 KiB
Go
package commands
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import (
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"context"
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"fmt"
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jsoniter "github.com/json-iterator/go"
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"github.com/ledgerwatch/erigon-lib/kv"
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"github.com/ledgerwatch/erigon/common"
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"github.com/ledgerwatch/erigon/common/changeset"
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"github.com/ledgerwatch/erigon/common/hexutil"
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"github.com/ledgerwatch/erigon/consensus/ethash"
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"github.com/ledgerwatch/erigon/core/rawdb"
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"github.com/ledgerwatch/erigon/core/state"
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"github.com/ledgerwatch/erigon/core/types"
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"github.com/ledgerwatch/erigon/eth/stagedsync/stages"
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"github.com/ledgerwatch/erigon/eth/tracers"
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"github.com/ledgerwatch/erigon/internal/ethapi"
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"github.com/ledgerwatch/erigon/rpc"
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"github.com/ledgerwatch/erigon/turbo/transactions"
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"github.com/ledgerwatch/log/v3"
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)
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// AccountRangeMaxResults is the maximum number of results to be returned per call
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const AccountRangeMaxResults = 256
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// PrivateDebugAPI Exposed RPC endpoints for debugging use
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type PrivateDebugAPI interface {
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StorageRangeAt(ctx context.Context, blockHash common.Hash, txIndex uint64, contractAddress common.Address, keyStart hexutil.Bytes, maxResult int) (StorageRangeResult, error)
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TraceTransaction(ctx context.Context, hash common.Hash, config *tracers.TraceConfig, stream *jsoniter.Stream) error
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TraceBlockByHash(ctx context.Context, hash common.Hash, config *tracers.TraceConfig, stream *jsoniter.Stream) error
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TraceBlockByNumber(ctx context.Context, number rpc.BlockNumber, config *tracers.TraceConfig, stream *jsoniter.Stream) error
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AccountRange(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash, start []byte, maxResults int, nocode, nostorage bool) (state.IteratorDump, error)
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GetModifiedAccountsByNumber(ctx context.Context, startNum rpc.BlockNumber, endNum *rpc.BlockNumber) ([]common.Address, error)
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GetModifiedAccountsByHash(_ context.Context, startHash common.Hash, endHash *common.Hash) ([]common.Address, error)
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TraceCall(ctx context.Context, args ethapi.CallArgs, blockNrOrHash rpc.BlockNumberOrHash, config *tracers.TraceConfig, stream *jsoniter.Stream) error
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AccountAt(ctx context.Context, blockHash common.Hash, txIndex uint64, account common.Address) (*AccountResult, error)
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}
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// PrivateDebugAPIImpl is implementation of the PrivateDebugAPI interface based on remote Db access
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type PrivateDebugAPIImpl struct {
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*BaseAPI
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db kv.RoDB
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GasCap uint64
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}
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// NewPrivateDebugAPI returns PrivateDebugAPIImpl instance
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func NewPrivateDebugAPI(base *BaseAPI, db kv.RoDB, gascap uint64) *PrivateDebugAPIImpl {
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return &PrivateDebugAPIImpl{
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BaseAPI: base,
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db: db,
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GasCap: gascap,
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}
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}
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// StorageRangeAt implements debug_storageRangeAt. Returns information about a range of storage locations (if any) for the given address.
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func (api *PrivateDebugAPIImpl) StorageRangeAt(ctx context.Context, blockHash common.Hash, txIndex uint64, contractAddress common.Address, keyStart hexutil.Bytes, maxResult int) (StorageRangeResult, error) {
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tx, err := api.db.BeginRo(ctx)
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if err != nil {
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return StorageRangeResult{}, err
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}
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defer tx.Rollback()
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chainConfig, err := api.chainConfig(tx)
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if err != nil {
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return StorageRangeResult{}, err
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}
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block, err := api.blockByHashWithSenders(tx, blockHash)
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if err != nil {
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return StorageRangeResult{}, err
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}
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if block == nil {
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return StorageRangeResult{}, nil
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}
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getHeader := func(hash common.Hash, number uint64) *types.Header {
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h, e := api._blockReader.Header(ctx, tx, hash, number)
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if e != nil {
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log.Error("getHeader error", "number", number, "hash", hash, "err", e)
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}
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return h
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}
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_, _, _, _, stateReader, err := transactions.ComputeTxEnv(ctx, block, chainConfig, getHeader, ethash.NewFaker(), tx, blockHash, txIndex)
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if err != nil {
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return StorageRangeResult{}, err
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}
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return StorageRangeAt(stateReader, contractAddress, keyStart, maxResult)
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}
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// AccountRange implements debug_accountRange. Returns a range of accounts involved in the given block rangeb
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func (api *PrivateDebugAPIImpl) AccountRange(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash, startKey []byte, maxResults int, excludeCode, excludeStorage bool) (state.IteratorDump, error) {
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tx, err := api.db.BeginRo(ctx)
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if err != nil {
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return state.IteratorDump{}, err
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}
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defer tx.Rollback()
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var blockNumber uint64
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if number, ok := blockNrOrHash.Number(); ok {
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if number == rpc.PendingBlockNumber {
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return state.IteratorDump{}, fmt.Errorf("accountRange for pending block not supported")
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}
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if number == rpc.LatestBlockNumber {
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var err error
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blockNumber, err = stages.GetStageProgress(tx, stages.Execution)
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if err != nil {
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return state.IteratorDump{}, fmt.Errorf("last block has not found: %w", err)
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}
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} else {
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blockNumber = uint64(number)
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}
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} else if hash, ok := blockNrOrHash.Hash(); ok {
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block, err1 := api.blockByHashWithSenders(tx, hash)
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if err1 != nil {
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return state.IteratorDump{}, err1
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}
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if block == nil {
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return state.IteratorDump{}, fmt.Errorf("block %s not found", hash.Hex())
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}
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blockNumber = block.NumberU64()
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}
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if maxResults > AccountRangeMaxResults || maxResults <= 0 {
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maxResults = AccountRangeMaxResults
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}
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dumper := state.NewDumper(tx, blockNumber)
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res, err := dumper.IteratorDump(excludeCode, excludeStorage, common.BytesToAddress(startKey), maxResults)
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if err != nil {
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return state.IteratorDump{}, err
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}
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hash, err := rawdb.ReadCanonicalHash(tx, blockNumber)
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if err != nil {
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return state.IteratorDump{}, err
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}
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if hash != (common.Hash{}) {
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header := rawdb.ReadHeader(tx, hash, blockNumber)
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if header != nil {
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res.Root = header.Root.String()
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}
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}
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return res, nil
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}
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// GetModifiedAccountsByNumber implements debug_getModifiedAccountsByNumber. Returns a list of accounts modified in the given block.
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func (api *PrivateDebugAPIImpl) GetModifiedAccountsByNumber(ctx context.Context, startNumber rpc.BlockNumber, endNumber *rpc.BlockNumber) ([]common.Address, error) {
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tx, err := api.db.BeginRo(ctx)
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if err != nil {
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return nil, err
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}
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defer tx.Rollback()
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latestBlock, err := stages.GetStageProgress(tx, stages.Finish)
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if err != nil {
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return nil, err
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}
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// forces negative numbers to fail (too large) but allows zero
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startNum := uint64(startNumber.Int64())
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if startNum > latestBlock {
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return nil, fmt.Errorf("start block (%d) is later than the latest block (%d)", startNum, latestBlock)
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}
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endNum := startNum + 1 // allows for single param calls
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if endNumber != nil {
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// forces negative numbers to fail (too large) but allows zero
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endNum = uint64(endNumber.Int64()) + 1
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}
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// is endNum too big?
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if endNum > latestBlock {
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return nil, fmt.Errorf("end block (%d) is later than the latest block (%d)", endNum, latestBlock)
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}
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if startNum > endNum {
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return nil, fmt.Errorf("start block (%d) must be less than or equal to end block (%d)", startNum, endNum)
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}
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return changeset.GetModifiedAccounts(tx, startNum, endNum)
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}
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// GetModifiedAccountsByHash implements debug_getModifiedAccountsByHash. Returns a list of accounts modified in the given block.
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func (api *PrivateDebugAPIImpl) GetModifiedAccountsByHash(ctx context.Context, startHash common.Hash, endHash *common.Hash) ([]common.Address, error) {
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tx, err := api.db.BeginRo(ctx)
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if err != nil {
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return nil, err
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}
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defer tx.Rollback()
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startBlock, err := api.blockByHashWithSenders(tx, startHash)
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if err != nil {
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return nil, err
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}
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if startBlock == nil {
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return nil, fmt.Errorf("start block %x not found", startHash)
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}
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startNum := startBlock.NumberU64()
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endNum := startNum + 1 // allows for single parameter calls
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if endHash != nil {
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endBlock, err := api.blockByHashWithSenders(tx, *endHash)
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if err != nil {
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return nil, err
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}
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if endBlock == nil {
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return nil, fmt.Errorf("end block %x not found", *endHash)
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}
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endNum = endBlock.NumberU64() + 1
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}
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if startNum > endNum {
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return nil, fmt.Errorf("start block (%d) must be less than or equal to end block (%d)", startNum, endNum)
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}
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return changeset.GetModifiedAccounts(tx, startNum, endNum)
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}
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func (api *PrivateDebugAPIImpl) AccountAt(ctx context.Context, blockHash common.Hash, txIndex uint64, address common.Address) (*AccountResult, error) {
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tx, err := api.db.BeginRo(ctx)
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if err != nil {
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return nil, err
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}
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defer tx.Rollback()
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chainConfig, err := api.chainConfig(tx)
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if err != nil {
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return nil, err
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}
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block, err := api.blockByHashWithSenders(tx, blockHash)
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if err != nil {
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return nil, err
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}
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if block == nil {
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return nil, nil
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}
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getHeader := func(hash common.Hash, number uint64) *types.Header {
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return rawdb.ReadHeader(tx, hash, number)
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}
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_, _, _, ibs, _, err := transactions.ComputeTxEnv(ctx, block, chainConfig, getHeader, ethash.NewFaker(), tx, blockHash, txIndex)
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if err != nil {
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return nil, err
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}
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result := &AccountResult{}
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result.Balance.ToInt().Set(ibs.GetBalance(address).ToBig())
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result.Nonce = hexutil.Uint64(ibs.GetNonce(address))
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result.Code = ibs.GetCode(address)
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result.CodeHash = ibs.GetCodeHash(address)
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return result, nil
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}
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type AccountResult struct {
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Balance hexutil.Big `json:"balance"`
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Nonce hexutil.Uint64 `json:"nonce"`
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Code hexutil.Bytes `json:"code"`
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CodeHash common.Hash `json:"codeHash"`
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}
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