erigon-pulse/cmd/rpcdaemon/commands/debug_api.go
2021-07-16 22:01:29 +07:00

256 lines
8.6 KiB
Go

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