erigon-pulse/cmd/rpcdaemon/commands/tracing.go
2021-04-06 16:52:53 +07:00

80 lines
2.7 KiB
Go

package commands
import (
"context"
"fmt"
"github.com/ledgerwatch/turbo-geth/common"
"github.com/ledgerwatch/turbo-geth/core/rawdb"
"github.com/ledgerwatch/turbo-geth/core/state"
"github.com/ledgerwatch/turbo-geth/eth/tracers"
"github.com/ledgerwatch/turbo-geth/ethdb"
"github.com/ledgerwatch/turbo-geth/internal/ethapi"
"github.com/ledgerwatch/turbo-geth/rpc"
"github.com/ledgerwatch/turbo-geth/turbo/adapter"
"github.com/ledgerwatch/turbo-geth/turbo/rpchelper"
"github.com/ledgerwatch/turbo-geth/turbo/transactions"
)
// TraceTransaction implements debug_traceTransaction. Returns Geth style transaction traces.
func (api *PrivateDebugAPIImpl) TraceTransaction(ctx context.Context, hash common.Hash, config *tracers.TraceConfig) (interface{}, error) {
tx, err := api.dbReader.BeginRo(ctx)
if err != nil {
return nil, err
}
defer tx.Rollback()
// Retrieve the transaction and assemble its EVM context
txn, blockHash, _, txIndex := rawdb.ReadTransaction(ethdb.NewRoTxDb(tx), hash)
if txn == nil {
return nil, fmt.Errorf("transaction %#x not found", hash)
}
getter := adapter.NewBlockGetter(tx)
chainContext := adapter.NewChainContext(tx)
chainConfig, err := api.chainConfig(tx)
if err != nil {
return nil, err
}
msg, blockCtx, txCtx, ibs, _, err := transactions.ComputeTxEnv(ctx, getter, chainConfig, chainContext.GetHeader, chainContext.Engine(), tx, blockHash, txIndex)
if err != nil {
return nil, err
}
// Trace the transaction and return
return transactions.TraceTx(ctx, msg, blockCtx, txCtx, ibs, config, chainConfig)
}
func (api *PrivateDebugAPIImpl) TraceCall(ctx context.Context, args ethapi.CallArgs, blockNrOrHash rpc.BlockNumberOrHash, config *tracers.TraceConfig) (interface{}, error) {
dbtx, err := api.dbReader.BeginRo(ctx)
if err != nil {
return nil, err
}
defer dbtx.Rollback()
chainConfig, err := api.chainConfig(dbtx)
if err != nil {
return nil, err
}
blockNumber, hash, err := rpchelper.GetBlockNumber(blockNrOrHash, dbtx, api.pending)
if err != nil {
return nil, err
}
var stateReader state.StateReader
if num, ok := blockNrOrHash.Number(); ok && num == rpc.LatestBlockNumber {
stateReader = state.NewPlainStateReader(dbtx)
} else {
stateReader = state.NewPlainDBState(ethdb.NewRoTxDb(dbtx), blockNumber)
}
header := rawdb.ReadHeader(ethdb.NewRoTxDb(dbtx), hash, blockNumber)
if header == nil {
return nil, fmt.Errorf("block %d(%x) not found", blockNumber, hash)
}
ibs := state.New(stateReader)
msg := args.ToMessage(api.GasCap)
blockCtx, txCtx := transactions.GetEvmContext(msg, header, blockNrOrHash.RequireCanonical, dbtx)
// Trace the transaction and return
return transactions.TraceTx(ctx, msg, blockCtx, txCtx, ibs, config, chainConfig)
}