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converters.go
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converters.go
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package state
import (
"fmt"
"math/big"
"github.com/0xPolygonHermez/zkevm-node/encoding"
"github.com/0xPolygonHermez/zkevm-node/hex"
"github.com/0xPolygonHermez/zkevm-node/log"
"github.com/0xPolygonHermez/zkevm-node/state/runtime/executor"
"github.com/0xPolygonHermez/zkevm-node/state/runtime/executor/pb"
"github.com/0xPolygonHermez/zkevm-node/state/runtime/fakevm"
"github.com/0xPolygonHermez/zkevm-node/state/runtime/instrumentation"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
)
// TestConvertToProcessBatchResponse for test purposes
func TestConvertToProcessBatchResponse(txs []types.Transaction, response *pb.ProcessBatchResponse) (*ProcessBatchResponse, error) {
return convertToProcessBatchResponse(txs, response)
}
func convertToProcessBatchResponse(txs []types.Transaction, response *pb.ProcessBatchResponse) (*ProcessBatchResponse, error) {
responses, err := convertToProcessTransactionResponse(txs, response.Responses)
if err != nil {
return nil, err
}
readWriteAddresses, err := convertToReadWriteAddresses(response.ReadWriteAddresses)
if err != nil {
return nil, err
}
isBatchProcessed := response.Error == executor.EXECUTOR_ERROR_NO_ERROR
if isBatchProcessed && len(response.Responses) > 0 {
// Check out of counters
errorToCheck := response.Responses[len(response.Responses)-1].Error
isBatchProcessed = !executor.IsROMOutOfCountersError(errorToCheck)
}
return &ProcessBatchResponse{
NewStateRoot: common.BytesToHash(response.NewStateRoot),
NewAccInputHash: common.BytesToHash(response.NewAccInputHash),
NewLocalExitRoot: common.BytesToHash(response.NewLocalExitRoot),
NewBatchNumber: response.NewBatchNum,
UsedZkCounters: convertToCounters(response),
Responses: responses,
ExecutorError: executor.ExecutorErr(response.Error),
IsBatchProcessed: isBatchProcessed,
ReadWriteAddresses: readWriteAddresses,
}, nil
}
func isProcessed(err pb.RomError) bool {
return !executor.IsIntrinsicError(err) && !executor.IsROMOutOfCountersError(err)
}
func convertToReadWriteAddresses(addresses map[string]*pb.InfoReadWrite) ([]*InfoReadWrite, error) {
results := make([]*InfoReadWrite, 0, len(addresses))
for addr, addrInfo := range addresses {
var nonce *uint64 = nil
var balance *big.Int = nil
var ok bool
address := common.HexToAddress(addr)
if addrInfo.Nonce != "" {
bigNonce, ok := new(big.Int).SetString(addrInfo.Nonce, encoding.Base10)
if !ok {
log.Debugf("received nonce as string: %v", addrInfo.Nonce)
return nil, fmt.Errorf("error while parsing address nonce")
}
nonceNp := bigNonce.Uint64()
nonce = &nonceNp
}
if addrInfo.Balance != "" {
balance, ok = new(big.Int).SetString(addrInfo.Balance, encoding.Base10)
if !ok {
log.Debugf("received balance as string: %v", addrInfo.Balance)
return nil, fmt.Errorf("error while parsing address balance")
}
}
result := &InfoReadWrite{Address: address, Nonce: nonce, Balance: balance}
results = append(results, result)
}
return results, nil
}
func convertToProcessTransactionResponse(txs []types.Transaction, responses []*pb.ProcessTransactionResponse) ([]*ProcessTransactionResponse, error) {
results := make([]*ProcessTransactionResponse, 0, len(responses))
for i, response := range responses {
trace, err := convertToStructLogArray(response.ExecutionTrace)
if err != nil {
return nil, err
}
result := new(ProcessTransactionResponse)
result.TxHash = common.BytesToHash(response.TxHash)
result.Type = response.Type
result.ReturnValue = response.ReturnValue
result.GasLeft = response.GasLeft
result.GasUsed = response.GasUsed
result.GasRefunded = response.GasRefunded
result.RomError = executor.RomErr(response.Error)
result.CreateAddress = common.HexToAddress(response.CreateAddress)
result.StateRoot = common.BytesToHash(response.StateRoot)
result.Logs = convertToLog(response.Logs)
result.IsProcessed = isProcessed(response.Error)
result.ExecutionTrace = *trace
result.CallTrace = convertToExecutorTrace(response.CallTrace)
tx, err := DecodeTx(common.Bytes2Hex(response.GetRlpTx()))
if err != nil {
return nil, err
}
result.Tx = *tx
results = append(results, result)
log.Debugf("ProcessTransactionResponse[TxHash]: %v", txs[i].Hash().String())
log.Debugf("ProcessTransactionResponse[Nonce]: %v", txs[i].Nonce())
log.Debugf("ProcessTransactionResponse[StateRoot]: %v", result.StateRoot.String())
log.Debugf("ProcessTransactionResponse[Error]: %v", result.RomError)
log.Debugf("ProcessTransactionResponse[GasUsed]: %v", result.GasUsed)
log.Debugf("ProcessTransactionResponse[GasLeft]: %v", result.GasLeft)
log.Debugf("ProcessTransactionResponse[GasRefunded]: %v", result.GasRefunded)
log.Debugf("ProcessTransactionResponse[IsProcessed]: %v", result.IsProcessed)
}
return results, nil
}
func convertToLog(protoLogs []*pb.Log) []*types.Log {
logs := make([]*types.Log, 0, len(protoLogs))
for _, protoLog := range protoLogs {
log := new(types.Log)
log.Address = common.HexToAddress(protoLog.Address)
log.Topics = convertToTopics(protoLog.Topics)
log.Data = protoLog.Data
log.BlockNumber = protoLog.BatchNumber
log.TxHash = common.BytesToHash(protoLog.TxHash)
log.TxIndex = uint(protoLog.TxIndex)
log.BlockHash = common.BytesToHash(protoLog.BatchHash)
log.Index = uint(protoLog.Index)
logs = append(logs, log)
}
return logs
}
func convertToTopics(responses [][]byte) []common.Hash {
results := make([]common.Hash, 0, len(responses))
for _, response := range responses {
results = append(results, common.BytesToHash(response))
}
return results
}
func convertToStructLogArray(responses []*pb.ExecutionTraceStep) (*[]instrumentation.StructLog, error) {
results := make([]instrumentation.StructLog, 0, len(responses))
for _, response := range responses {
convertedStack, err := convertToBigIntArray(response.Stack)
if err != nil {
return nil, err
}
result := new(instrumentation.StructLog)
result.Pc = response.Pc
result.Op = response.Op
result.Gas = response.RemainingGas
result.GasCost = response.GasCost
result.Memory = response.Memory
result.MemorySize = int(response.MemorySize)
result.Stack = convertedStack
result.ReturnData = response.ReturnData
result.Storage = convertToProperMap(response.Storage)
result.Depth = int(response.Depth)
result.RefundCounter = response.GasRefund
result.Err = executor.RomErr(response.Error)
results = append(results, *result)
}
return &results, nil
}
func convertToBigIntArray(responses []string) ([]*big.Int, error) {
results := make([]*big.Int, 0, len(responses))
for _, response := range responses {
result, ok := new(big.Int).SetString(response, hex.Base)
if ok {
results = append(results, result)
} else {
return nil, fmt.Errorf("string %s is not valid", response)
}
}
return results, nil
}
func convertToProperMap(responses map[string]string) map[common.Hash]common.Hash {
results := make(map[common.Hash]common.Hash, len(responses))
for key, response := range responses {
results[common.HexToHash(key)] = common.HexToHash(response)
}
return results
}
func convertToExecutorTrace(callTrace *pb.CallTrace) instrumentation.ExecutorTrace {
trace := new(instrumentation.ExecutorTrace)
if callTrace != nil {
trace.Context = convertToContext(callTrace.Context)
trace.Steps = convertToInstrumentationSteps(callTrace.Steps)
}
return *trace
}
func convertToContext(context *pb.TransactionContext) instrumentation.Context {
return instrumentation.Context{
Type: context.Type,
From: context.From,
To: context.To,
Input: string(context.Data),
Gas: fmt.Sprint(context.Gas),
Value: context.Value,
Output: string(context.Output),
GasPrice: context.GasPrice,
OldStateRoot: string(context.OldStateRoot),
Time: uint64(context.ExecutionTime),
GasUsed: fmt.Sprint(context.GasUsed),
}
}
func convertToInstrumentationSteps(responses []*pb.TransactionStep) []instrumentation.Step {
results := make([]instrumentation.Step, 0, len(responses))
for _, response := range responses {
step := new(instrumentation.Step)
step.StateRoot = string(response.StateRoot)
step.Depth = int(response.Depth)
step.Pc = response.Pc
step.Gas = fmt.Sprint(response.Gas)
step.OpCode = fakevm.OpCode(response.Op).String()
step.Refund = fmt.Sprint(response.GasRefund)
step.Op = fmt.Sprint(response.Op)
err := executor.RomErr(response.Error)
if err != nil {
step.Error = err.Error()
}
step.Contract = convertToInstrumentationContract(response.Contract)
step.GasCost = fmt.Sprint(response.GasCost)
step.Stack = response.Stack
step.Memory = convertByteArrayToStringArray(response.Memory)
step.ReturnData = string(response.ReturnData)
results = append(results, *step)
}
return results
}
func convertToInstrumentationContract(response *pb.Contract) instrumentation.Contract {
return instrumentation.Contract{
Address: response.Address,
Caller: response.Caller,
Value: response.Value,
Input: string(response.Data),
Gas: fmt.Sprint(response.Gas),
}
}
func convertByteArrayToStringArray(responses []byte) []string {
results := make([]string, 0, len(responses))
for _, response := range responses {
results = append(results, string(response))
}
return results
}
func convertToCounters(resp *pb.ProcessBatchResponse) ZKCounters {
return ZKCounters{
CumulativeGasUsed: resp.CumulativeGasUsed,
UsedKeccakHashes: resp.CntKeccakHashes,
UsedPoseidonHashes: resp.CntPoseidonHashes,
UsedPoseidonPaddings: resp.CntPoseidonPaddings,
UsedMemAligns: resp.CntMemAligns,
UsedArithmetics: resp.CntArithmetics,
UsedBinaries: resp.CntBinaries,
UsedSteps: resp.CntSteps,
}
}