// Copyright 2019 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package main
import (
"bytes"
"context"
"fmt"
"math/big"
"os"
"os/signal"
"strings"
"time"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/common/math"
"github.com/ethereum/go-ethereum/consensus"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/consensus/misc"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/rpc"
"github.com/ethereum/go-ethereum/trie"
cli "gopkg.in/urfave/cli.v1"
)
var (
rpcPortFlag = cli.IntFlag{
Name: "rpcport",
Usage: "HTTP-RPC server listening port",
Value: node.DefaultHTTPPort,
}
retestethCommand = cli.Command{
Action: utils.MigrateFlags(retesteth),
Name: "retesteth",
Usage: "Launches geth in retesteth mode",
ArgsUsage: "",
Flags: []cli.Flag{rpcPortFlag},
Category: "MISCELLANEOUS COMMANDS",
Description: `Launches geth in retesteth mode (no database, no network, only retesteth RPC interface)`,
}
)
type RetestethTestAPI interface {
SetChainParams(ctx context.Context, chainParams ChainParams) (bool, error)
MineBlocks(ctx context.Context, number uint64) (bool, error)
ModifyTimestamp(ctx context.Context, interval uint64) (bool, error)
ImportRawBlock(ctx context.Context, rawBlock hexutil.Bytes) (common.Hash, error)
RewindToBlock(ctx context.Context, number uint64) (bool, error)
GetLogHash(ctx context.Context, txHash common.Hash) (common.Hash, error)
}
type RetestethEthAPI interface {
SendRawTransaction(ctx context.Context, rawTx hexutil.Bytes) (common.Hash, error)
BlockNumber(ctx context.Context) (uint64, error)
GetBlockByNumber(ctx context.Context, blockNr math.HexOrDecimal64, fullTx bool) (map[string]interface{}, error)
GetBalance(ctx context.Context, address common.Address, blockNr math.HexOrDecimal64) (*math.HexOrDecimal256, error)
GetCode(ctx context.Context, address common.Address, blockNr math.HexOrDecimal64) (hexutil.Bytes, error)
GetTransactionCount(ctx context.Context, address common.Address, blockNr math.HexOrDecimal64) (uint64, error)
}
type RetestethDebugAPI interface {
AccountRange(ctx context.Context,
blockHashOrNumber *math.HexOrDecimal256, txIndex uint64,
addressHash *math.HexOrDecimal256, maxResults uint64,
) (AccountRangeResult, error)
StorageRangeAt(ctx context.Context,
blockHashOrNumber *math.HexOrDecimal256, txIndex uint64,
address common.Address,
begin *math.HexOrDecimal256, maxResults uint64,
) (StorageRangeResult, error)
}
type RetestWeb3API interface {
ClientVersion(ctx context.Context) (string, error)
}
type RetestethAPI struct {
ethDb ethdb.Database
db state.Database
chainConfig *params.ChainConfig
author common.Address
extraData []byte
genesisHash common.Hash
engine *NoRewardEngine
blockchain *core.BlockChain
blockNumber uint64
txMap map[common.Address]map[uint64]*types.Transaction // Sender -> Nonce -> Transaction
txSenders map[common.Address]struct{} // Set of transaction senders
blockInterval uint64
}
type ChainParams struct {
SealEngine string `json:"sealEngine"`
Params CParamsParams `json:"params"`
Genesis CParamsGenesis `json:"genesis"`
Accounts map[common.Address]CParamsAccount `json:"accounts"`
}
type CParamsParams struct {
AccountStartNonce math.HexOrDecimal64 `json:"accountStartNonce"`
HomesteadForkBlock *math.HexOrDecimal64 `json:"homesteadForkBlock"`
EIP150ForkBlock *math.HexOrDecimal64 `json:"EIP150ForkBlock"`
EIP158ForkBlock *math.HexOrDecimal64 `json:"EIP158ForkBlock"`
DaoHardforkBlock *math.HexOrDecimal64 `json:"daoHardforkBlock"`
ByzantiumForkBlock *math.HexOrDecimal64 `json:"byzantiumForkBlock"`
ConstantinopleForkBlock *math.HexOrDecimal64 `json:"constantinopleForkBlock"`
ConstantinopleFixForkBlock *math.HexOrDecimal64 `json:"constantinopleFixForkBlock"`
IstanbulBlock *math.HexOrDecimal64 `json:"istanbulForkBlock"`
ChainID *math.HexOrDecimal256 `json:"chainID"`
MaximumExtraDataSize math.HexOrDecimal64 `json:"maximumExtraDataSize"`
TieBreakingGas bool `json:"tieBreakingGas"`
MinGasLimit math.HexOrDecimal64 `json:"minGasLimit"`
MaxGasLimit math.HexOrDecimal64 `json:"maxGasLimit"`
GasLimitBoundDivisor math.HexOrDecimal64 `json:"gasLimitBoundDivisor"`
MinimumDifficulty math.HexOrDecimal256 `json:"minimumDifficulty"`
DifficultyBoundDivisor math.HexOrDecimal256 `json:"difficultyBoundDivisor"`
DurationLimit math.HexOrDecimal256 `json:"durationLimit"`
BlockReward math.HexOrDecimal256 `json:"blockReward"`
NetworkID math.HexOrDecimal256 `json:"networkID"`
}
type CParamsGenesis struct {
Nonce math.HexOrDecimal64 `json:"nonce"`
Difficulty *math.HexOrDecimal256 `json:"difficulty"`
MixHash *math.HexOrDecimal256 `json:"mixHash"`
Author common.Address `json:"author"`
Timestamp math.HexOrDecimal64 `json:"timestamp"`
ParentHash common.Hash `json:"parentHash"`
ExtraData hexutil.Bytes `json:"extraData"`
GasLimit math.HexOrDecimal64 `json:"gasLimit"`
}
type CParamsAccount struct {
Balance *math.HexOrDecimal256 `json:"balance"`
Precompiled *CPAccountPrecompiled `json:"precompiled"`
Code hexutil.Bytes `json:"code"`
Storage map[string]string `json:"storage"`
Nonce *math.HexOrDecimal64 `json:"nonce"`
}
type CPAccountPrecompiled struct {
Name string `json:"name"`
StartingBlock math.HexOrDecimal64 `json:"startingBlock"`
Linear *CPAPrecompiledLinear `json:"linear"`
}
type CPAPrecompiledLinear struct {
Base uint64 `json:"base"`
Word uint64 `json:"word"`
}
type AccountRangeResult struct {
AddressMap map[common.Hash]common.Address `json:"addressMap"`
NextKey common.Hash `json:"nextKey"`
}
type StorageRangeResult struct {
Complete bool `json:"complete"`
Storage map[common.Hash]SRItem `json:"storage"`
}
type SRItem struct {
Key string `json:"key"`
Value string `json:"value"`
}
type NoRewardEngine struct {
inner consensus.Engine
rewardsOn bool
}
func (e *NoRewardEngine) Author(header *types.Header) (common.Address, error) {
return e.inner.Author(header)
}
func (e *NoRewardEngine) VerifyHeader(chain consensus.ChainReader, header *types.Header, seal bool) error {
return e.inner.VerifyHeader(chain, header, seal)
}
func (e *NoRewardEngine) VerifyHeaders(chain consensus.ChainReader, headers []*types.Header, seals []bool) (chan<- struct{}, <-chan error) {
return e.inner.VerifyHeaders(chain, headers, seals)
}
func (e *NoRewardEngine) VerifyUncles(chain consensus.ChainReader, block *types.Block) error {
return e.inner.VerifyUncles(chain, block)
}
func (e *NoRewardEngine) VerifySeal(chain consensus.ChainReader, header *types.Header) error {
return e.inner.VerifySeal(chain, header)
}
func (e *NoRewardEngine) Prepare(chain consensus.ChainReader, header *types.Header) error {
return e.inner.Prepare(chain, header)
}
func (e *NoRewardEngine) accumulateRewards(config *params.ChainConfig, state *state.StateDB, header *types.Header, uncles []*types.Header) {
// Simply touch miner and uncle coinbase accounts
reward := big.NewInt(0)
for _, uncle := range uncles {
state.AddBalance(uncle.Coinbase, reward)
}
state.AddBalance(header.Coinbase, reward)
}
func (e *NoRewardEngine) Finalize(chain consensus.ChainReader, header *types.Header, statedb *state.StateDB, txs []*types.Transaction,
uncles []*types.Header) {
if e.rewardsOn {
e.inner.Finalize(chain, header, statedb, txs, uncles)
} else {
e.accumulateRewards(chain.Config(), statedb, header, uncles)
header.Root = statedb.IntermediateRoot(chain.Config().IsEIP158(header.Number))
}
}
func (e *NoRewardEngine) FinalizeAndAssemble(chain consensus.ChainReader, header *types.Header, statedb *state.StateDB, txs []*types.Transaction,
uncles []*types.Header, receipts []*types.Receipt) (*types.Block, error) {
if e.rewardsOn {
return e.inner.FinalizeAndAssemble(chain, header, statedb, txs, uncles, receipts)
} else {
e.accumulateRewards(chain.Config(), statedb, header, uncles)
header.Root = statedb.IntermediateRoot(chain.Config().IsEIP158(header.Number))
// Header seems complete, assemble into a block and return
return types.NewBlock(header, txs, uncles, receipts), nil
}
}
func (e *NoRewardEngine) Seal(chain consensus.ChainReader, block *types.Block, results chan<- *types.Block, stop <-chan struct{}) error {
return e.inner.Seal(chain, block, results, stop)
}
func (e *NoRewardEngine) SealHash(header *types.Header) common.Hash {
return e.inner.SealHash(header)
}
func (e *NoRewardEngine) CalcDifficulty(chain consensus.ChainReader, time uint64, parent *types.Header) *big.Int {
return e.inner.CalcDifficulty(chain, time, parent)
}
func (e *NoRewardEngine) APIs(chain consensus.ChainReader) []rpc.API {
return e.inner.APIs(chain)
}
func (e *NoRewardEngine) Close() error {
return e.inner.Close()
}
func (api *RetestethAPI) SetChainParams(ctx context.Context, chainParams ChainParams) (bool, error) {
// Clean up
if api.blockchain != nil {
api.blockchain.Stop()
}
if api.engine != nil {
api.engine.Close()
}
if api.ethDb != nil {
api.ethDb.Close()
}
ethDb := rawdb.NewMemoryDatabase()
accounts := make(core.GenesisAlloc)
for address, account := range chainParams.Accounts {
balance := big.NewInt(0)
if account.Balance != nil {
balance.Set((*big.Int)(account.Balance))
}
var nonce uint64
if account.Nonce != nil {
nonce = uint64(*account.Nonce)
}
if account.Precompiled == nil || account.Balance != nil {
storage := make(map[common.Hash]common.Hash)
for k, v := range account.Storage {
storage[common.HexToHash(k)] = common.HexToHash(v)
}
accounts[address] = core.GenesisAccount{
Balance: balance,
Code: account.Code,
Nonce: nonce,
Storage: storage,
}
}
}
chainId := big.NewInt(1)
if chainParams.Params.ChainID != nil {
chainId.Set((*big.Int)(chainParams.Params.ChainID))
}
var (
homesteadBlock *big.Int
daoForkBlock *big.Int
eip150Block *big.Int
eip155Block *big.Int
eip158Block *big.Int
byzantiumBlock *big.Int
constantinopleBlock *big.Int
petersburgBlock *big.Int
istanbulBlock *big.Int
)
if chainParams.Params.HomesteadForkBlock != nil {
homesteadBlock = big.NewInt(int64(*chainParams.Params.HomesteadForkBlock))
}
if chainParams.Params.DaoHardforkBlock != nil {
daoForkBlock = big.NewInt(int64(*chainParams.Params.DaoHardforkBlock))
}
if chainParams.Params.EIP150ForkBlock != nil {
eip150Block = big.NewInt(int64(*chainParams.Params.EIP150ForkBlock))
}
if chainParams.Params.EIP158ForkBlock != nil {
eip158Block = big.NewInt(int64(*chainParams.Params.EIP158ForkBlock))
eip155Block = eip158Block
}
if chainParams.Params.ByzantiumForkBlock != nil {
byzantiumBlock = big.NewInt(int64(*chainParams.Params.ByzantiumForkBlock))
}
if chainParams.Params.ConstantinopleForkBlock != nil {
constantinopleBlock = big.NewInt(int64(*chainParams.Params.ConstantinopleForkBlock))
}
if chainParams.Params.ConstantinopleFixForkBlock != nil {
petersburgBlock = big.NewInt(int64(*chainParams.Params.ConstantinopleFixForkBlock))
}
if constantinopleBlock != nil && petersburgBlock == nil {
petersburgBlock = big.NewInt(100000000000)
}
if chainParams.Params.IstanbulBlock != nil {
istanbulBlock = big.NewInt(int64(*chainParams.Params.IstanbulBlock))
}
genesis := &core.Genesis{
Config: ¶ms.ChainConfig{
ChainID: chainId,
HomesteadBlock: homesteadBlock,
DAOForkBlock: daoForkBlock,
DAOForkSupport: false,
EIP150Block: eip150Block,
EIP155Block: eip155Block,
EIP158Block: eip158Block,
ByzantiumBlock: byzantiumBlock,
ConstantinopleBlock: constantinopleBlock,
PetersburgBlock: petersburgBlock,
IstanbulBlock: istanbulBlock,
},
Nonce: uint64(chainParams.Genesis.Nonce),
Timestamp: uint64(chainParams.Genesis.Timestamp),
ExtraData: chainParams.Genesis.ExtraData,
GasLimit: uint64(chainParams.Genesis.GasLimit),
Difficulty: big.NewInt(0).Set((*big.Int)(chainParams.Genesis.Difficulty)),
Mixhash: common.BigToHash((*big.Int)(chainParams.Genesis.MixHash)),
Coinbase: chainParams.Genesis.Author,
ParentHash: chainParams.Genesis.ParentHash,
Alloc: accounts,
}
chainConfig, genesisHash, err := core.SetupGenesisBlock(ethDb, genesis)
if err != nil {
return false, err
}
fmt.Printf("Chain config: %v\n", chainConfig)
var inner consensus.Engine
switch chainParams.SealEngine {
case "NoProof", "NoReward":
inner = ethash.NewFaker()
case "Ethash":
inner = ethash.New(ethash.Config{
CacheDir: "ethash",
CachesInMem: 2,
CachesOnDisk: 3,
DatasetsInMem: 1,
DatasetsOnDisk: 2,
}, nil, false)
default:
return false, fmt.Errorf("unrecognised seal engine: %s", chainParams.SealEngine)
}
engine := &NoRewardEngine{inner: inner, rewardsOn: chainParams.SealEngine != "NoReward"}
blockchain, err := core.NewBlockChain(ethDb, nil, chainConfig, engine, vm.Config{}, nil)
if err != nil {
return false, err
}
api.chainConfig = chainConfig
api.genesisHash = genesisHash
api.author = chainParams.Genesis.Author
api.extraData = chainParams.Genesis.ExtraData
api.ethDb = ethDb
api.engine = engine
api.blockchain = blockchain
api.db = state.NewDatabase(api.ethDb)
api.blockNumber = 0
api.txMap = make(map[common.Address]map[uint64]*types.Transaction)
api.txSenders = make(map[common.Address]struct{})
api.blockInterval = 0
return true, nil
}
func (api *RetestethAPI) SendRawTransaction(ctx context.Context, rawTx hexutil.Bytes) (common.Hash, error) {
tx := new(types.Transaction)
if err := rlp.DecodeBytes(rawTx, tx); err != nil {
// Return nil is not by mistake - some tests include sending transaction where gasLimit overflows uint64
return common.Hash{}, nil
}
signer := types.MakeSigner(api.chainConfig, big.NewInt(int64(api.blockNumber)))
sender, err := types.Sender(signer, tx)
if err != nil {
return common.Hash{}, err
}
if nonceMap, ok := api.txMap[sender]; ok {
nonceMap[tx.Nonce()] = tx
} else {
nonceMap = make(map[uint64]*types.Transaction)
nonceMap[tx.Nonce()] = tx
api.txMap[sender] = nonceMap
}
api.txSenders[sender] = struct{}{}
return tx.Hash(), nil
}
func (api *RetestethAPI) MineBlocks(ctx context.Context, number uint64) (bool, error) {
for i := 0; i < int(number); i++ {
if err := api.mineBlock(); err != nil {
return false, err
}
}
fmt.Printf("Mined %d blocks\n", number)
return true, nil
}
func (api *RetestethAPI) mineBlock() error {
parentHash := rawdb.ReadCanonicalHash(api.ethDb, api.blockNumber)
parent := rawdb.ReadBlock(api.ethDb, parentHash, api.blockNumber)
var timestamp uint64
if api.blockInterval == 0 {
timestamp = uint64(time.Now().Unix())
} else {
timestamp = parent.Time() + api.blockInterval
}
gasLimit := core.CalcGasLimit(parent, 9223372036854775807, 9223372036854775807)
header := &types.Header{
ParentHash: parent.Hash(),
Number: big.NewInt(int64(api.blockNumber + 1)),
GasLimit: gasLimit,
Extra: api.extraData,
Time: timestamp,
}
header.Coinbase = api.author
if api.engine != nil {
api.engine.Prepare(api.blockchain, header)
}
// If we are care about TheDAO hard-fork check whether to override the extra-data or not
if daoBlock := api.chainConfig.DAOForkBlock; daoBlock != nil {
// Check whether the block is among the fork extra-override range
limit := new(big.Int).Add(daoBlock, params.DAOForkExtraRange)
if header.Number.Cmp(daoBlock) >= 0 && header.Number.Cmp(limit) < 0 {
// Depending whether we support or oppose the fork, override differently
if api.chainConfig.DAOForkSupport {
header.Extra = common.CopyBytes(params.DAOForkBlockExtra)
} else if bytes.Equal(header.Extra, params.DAOForkBlockExtra) {
header.Extra = []byte{} // If miner opposes, don't let it use the reserved extra-data
}
}
}
statedb, err := api.blockchain.StateAt(parent.Root())
if err != nil {
return err
}
if api.chainConfig.DAOForkSupport && api.chainConfig.DAOForkBlock != nil && api.chainConfig.DAOForkBlock.Cmp(header.Number) == 0 {
misc.ApplyDAOHardFork(statedb)
}
gasPool := new(core.GasPool).AddGas(header.GasLimit)
txCount := 0
var txs []*types.Transaction
var receipts []*types.Receipt
var coalescedLogs []*types.Log
var blockFull = gasPool.Gas() < params.TxGas
for address := range api.txSenders {
if blockFull {
break
}
m := api.txMap[address]
for nonce := statedb.GetNonce(address); ; nonce++ {
if tx, ok := m[nonce]; ok {
// Try to apply transactions to the state
statedb.Prepare(tx.Hash(), common.Hash{}, txCount)
snap := statedb.Snapshot()
receipt, _, err := core.ApplyTransaction(
api.chainConfig,
api.blockchain,
&api.author,
gasPool,
statedb,
header, tx, &header.GasUsed, *api.blockchain.GetVMConfig(),
)
if err != nil {
statedb.RevertToSnapshot(snap)
break
}
txs = append(txs, tx)
receipts = append(receipts, receipt)
coalescedLogs = append(coalescedLogs, receipt.Logs...)
delete(m, nonce)
if len(m) == 0 {
// Last tx for the sender
delete(api.txMap, address)
delete(api.txSenders, address)
}
txCount++
if gasPool.Gas() < params.TxGas {
blockFull = true
break
}
} else {
break // Gap in the nonces
}
}
}
block, err := api.engine.FinalizeAndAssemble(api.blockchain, header, statedb, txs, []*types.Header{}, receipts)
if err != nil {
return err
}
return api.importBlock(block)
}
func (api *RetestethAPI) importBlock(block *types.Block) error {
if _, err := api.blockchain.InsertChain([]*types.Block{block}); err != nil {
return err
}
api.blockNumber = block.NumberU64()
fmt.Printf("Imported block %d\n", block.NumberU64())
return nil
}
func (api *RetestethAPI) ModifyTimestamp(ctx context.Context, interval uint64) (bool, error) {
api.blockInterval = interval
return true, nil
}
func (api *RetestethAPI) ImportRawBlock(ctx context.Context, rawBlock hexutil.Bytes) (common.Hash, error) {
block := new(types.Block)
if err := rlp.DecodeBytes(rawBlock, block); err != nil {
return common.Hash{}, err
}
fmt.Printf("Importing block %d with parent hash: %x, genesisHash: %x\n", block.NumberU64(), block.ParentHash(), api.genesisHash)
if err := api.importBlock(block); err != nil {
return common.Hash{}, err
}
return block.Hash(), nil
}
func (api *RetestethAPI) RewindToBlock(ctx context.Context, newHead uint64) (bool, error) {
if err := api.blockchain.SetHead(newHead); err != nil {
return false, err
}
api.blockNumber = newHead
return true, nil
}
var emptyListHash common.Hash = common.HexToHash("0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347")
func (api *RetestethAPI) GetLogHash(ctx context.Context, txHash common.Hash) (common.Hash, error) {
receipt, _, _, _ := rawdb.ReadReceipt(api.ethDb, txHash, api.chainConfig)
if receipt == nil {
return emptyListHash, nil
} else {
if logListRlp, err := rlp.EncodeToBytes(receipt.Logs); err != nil {
return common.Hash{}, err
} else {
return common.BytesToHash(crypto.Keccak256(logListRlp)), nil
}
}
}
func (api *RetestethAPI) BlockNumber(ctx context.Context) (uint64, error) {
//fmt.Printf("BlockNumber, response: %d\n", api.blockNumber)
return api.blockNumber, nil
}
func (api *RetestethAPI) GetBlockByNumber(ctx context.Context, blockNr math.HexOrDecimal64, fullTx bool) (map[string]interface{}, error) {
block := api.blockchain.GetBlockByNumber(uint64(blockNr))
if block != nil {
response, err := RPCMarshalBlock(block, true, fullTx)
if err != nil {
return nil, err
}
response["author"] = response["miner"]
response["totalDifficulty"] = (*hexutil.Big)(api.blockchain.GetTd(block.Hash(), uint64(blockNr)))
return response, err
}
return nil, fmt.Errorf("block %d not found", blockNr)
}
func (api *RetestethAPI) AccountRange(ctx context.Context,
blockHashOrNumber *math.HexOrDecimal256, txIndex uint64,
addressHash *math.HexOrDecimal256, maxResults uint64,
) (AccountRangeResult, error) {
var (
header *types.Header
block *types.Block
)
if (*big.Int)(blockHashOrNumber).Cmp(big.NewInt(math.MaxInt64)) > 0 {
blockHash := common.BigToHash((*big.Int)(blockHashOrNumber))
header = api.blockchain.GetHeaderByHash(blockHash)
block = api.blockchain.GetBlockByHash(blockHash)
//fmt.Printf("Account range: %x, txIndex %d, start: %x, maxResults: %d\n", blockHash, txIndex, common.BigToHash((*big.Int)(addressHash)), maxResults)
} else {
blockNumber := (*big.Int)(blockHashOrNumber).Uint64()
header = api.blockchain.GetHeaderByNumber(blockNumber)
block = api.blockchain.GetBlockByNumber(blockNumber)
//fmt.Printf("Account range: %d, txIndex %d, start: %x, maxResults: %d\n", blockNumber, txIndex, common.BigToHash((*big.Int)(addressHash)), maxResults)
}
parentHeader := api.blockchain.GetHeaderByHash(header.ParentHash)
var root common.Hash
var statedb *state.StateDB
var err error
if parentHeader == nil || int(txIndex) >= len(block.Transactions()) {
root = header.Root
statedb, err = api.blockchain.StateAt(root)
if err != nil {
return AccountRangeResult{}, err
}
} else {
root = parentHeader.Root
statedb, err = api.blockchain.StateAt(root)
if err != nil {
return AccountRangeResult{}, err
}
// Recompute transactions up to the target index.
signer := types.MakeSigner(api.blockchain.Config(), block.Number())
for idx, tx := range block.Transactions() {
// Assemble the transaction call message and return if the requested offset
msg, _ := tx.AsMessage(signer)
context := core.NewEVMContext(msg, block.Header(), api.blockchain, nil)
// Not yet the searched for transaction, execute on top of the current state
vmenv := vm.NewEVM(context, statedb, api.blockchain.Config(), vm.Config{})
if _, _, _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(tx.Gas())); err != nil {
return AccountRangeResult{}, fmt.Errorf("transaction %#x failed: %v", tx.Hash(), err)
}
// Ensure any modifications are committed to the state
// Only delete empty objects if EIP158/161 (a.k.a Spurious Dragon) is in effect
root = statedb.IntermediateRoot(vmenv.ChainConfig().IsEIP158(block.Number()))
if idx == int(txIndex) {
// This is to make sure root can be opened by OpenTrie
root, err = statedb.Commit(api.chainConfig.IsEIP158(block.Number()))
if err != nil {
return AccountRangeResult{}, err
}
break
}
}
}
accountTrie, err := statedb.Database().OpenTrie(root)
if err != nil {
return AccountRangeResult{}, err
}
it := trie.NewIterator(accountTrie.NodeIterator(common.BigToHash((*big.Int)(addressHash)).Bytes()))
result := AccountRangeResult{AddressMap: make(map[common.Hash]common.Address)}
for i := 0; i < int(maxResults) && it.Next(); i++ {
if preimage := accountTrie.GetKey(it.Key); preimage != nil {
result.AddressMap[common.BytesToHash(it.Key)] = common.BytesToAddress(preimage)
//fmt.Printf("%x: %x\n", it.Key, preimage)
} else {
//fmt.Printf("could not find preimage for %x\n", it.Key)
}
}
//fmt.Printf("Number of entries returned: %d\n", len(result.AddressMap))
// Add the 'next key' so clients can continue downloading.
if it.Next() {
next := common.BytesToHash(it.Key)
result.NextKey = next
}
return result, nil
}
func (api *RetestethAPI) GetBalance(ctx context.Context, address common.Address, blockNr math.HexOrDecimal64) (*math.HexOrDecimal256, error) {
//fmt.Printf("GetBalance %x, block %d\n", address, blockNr)
header := api.blockchain.GetHeaderByNumber(uint64(blockNr))
statedb, err := api.blockchain.StateAt(header.Root)
if err != nil {
return nil, err
}
return (*math.HexOrDecimal256)(statedb.GetBalance(address)), nil
}
func (api *RetestethAPI) GetCode(ctx context.Context, address common.Address, blockNr math.HexOrDecimal64) (hexutil.Bytes, error) {
header := api.blockchain.GetHeaderByNumber(uint64(blockNr))
statedb, err := api.blockchain.StateAt(header.Root)
if err != nil {
return nil, err
}
return statedb.GetCode(address), nil
}
func (api *RetestethAPI) GetTransactionCount(ctx context.Context, address common.Address, blockNr math.HexOrDecimal64) (uint64, error) {
header := api.blockchain.GetHeaderByNumber(uint64(blockNr))
statedb, err := api.blockchain.StateAt(header.Root)
if err != nil {
return 0, err
}
return statedb.GetNonce(address), nil
}
func (api *RetestethAPI) StorageRangeAt(ctx context.Context,
blockHashOrNumber *math.HexOrDecimal256, txIndex uint64,
address common.Address,
begin *math.HexOrDecimal256, maxResults uint64,
) (StorageRangeResult, error) {
var (
header *types.Header
block *types.Block
)
if (*big.Int)(blockHashOrNumber).Cmp(big.NewInt(math.MaxInt64)) > 0 {
blockHash := common.BigToHash((*big.Int)(blockHashOrNumber))
header = api.blockchain.GetHeaderByHash(blockHash)
block = api.blockchain.GetBlockByHash(blockHash)
//fmt.Printf("Storage range: %x, txIndex %d, addr: %x, start: %x, maxResults: %d\n",
// blockHash, txIndex, address, common.BigToHash((*big.Int)(begin)), maxResults)
} else {
blockNumber := (*big.Int)(blockHashOrNumber).Uint64()
header = api.blockchain.GetHeaderByNumber(blockNumber)
block = api.blockchain.GetBlockByNumber(blockNumber)
//fmt.Printf("Storage range: %d, txIndex %d, addr: %x, start: %x, maxResults: %d\n",
// blockNumber, txIndex, address, common.BigToHash((*big.Int)(begin)), maxResults)
}
parentHeader := api.blockchain.GetHeaderByHash(header.ParentHash)
var root common.Hash
var statedb *state.StateDB
var err error
if parentHeader == nil || int(txIndex) >= len(block.Transactions()) {
root = header.Root
statedb, err = api.blockchain.StateAt(root)
if err != nil {
return StorageRangeResult{}, err
}
} else {
root = parentHeader.Root
statedb, err = api.blockchain.StateAt(root)
if err != nil {
return StorageRangeResult{}, err
}
// Recompute transactions up to the target index.
signer := types.MakeSigner(api.blockchain.Config(), block.Number())
for idx, tx := range block.Transactions() {
// Assemble the transaction call message and return if the requested offset
msg, _ := tx.AsMessage(signer)
context := core.NewEVMContext(msg, block.Header(), api.blockchain, nil)
// Not yet the searched for transaction, execute on top of the current state
vmenv := vm.NewEVM(context, statedb, api.blockchain.Config(), vm.Config{})
if _, _, _, err := core.ApplyMessage(vmenv, msg, new(core.GasPool).AddGas(tx.Gas())); err != nil {
return StorageRangeResult{}, fmt.Errorf("transaction %#x failed: %v", tx.Hash(), err)
}
// Ensure any modifications are committed to the state
// Only delete empty objects if EIP158/161 (a.k.a Spurious Dragon) is in effect
_ = statedb.IntermediateRoot(vmenv.ChainConfig().IsEIP158(block.Number()))
if idx == int(txIndex) {
// This is to make sure root can be opened by OpenTrie
_, err = statedb.Commit(vmenv.ChainConfig().IsEIP158(block.Number()))
if err != nil {
return StorageRangeResult{}, err
}
}
}
}
storageTrie := statedb.StorageTrie(address)
it := trie.NewIterator(storageTrie.NodeIterator(common.BigToHash((*big.Int)(begin)).Bytes()))
result := StorageRangeResult{Storage: make(map[common.Hash]SRItem)}
for i := 0; /*i < int(maxResults) && */ it.Next(); i++ {
if preimage := storageTrie.GetKey(it.Key); preimage != nil {
key := (*math.HexOrDecimal256)(big.NewInt(0).SetBytes(preimage))
v, _, err := rlp.SplitString(it.Value)
if err != nil {
return StorageRangeResult{}, err
}
value := (*math.HexOrDecimal256)(big.NewInt(0).SetBytes(v))
ks, _ := key.MarshalText()
vs, _ := value.MarshalText()
if len(ks)%2 != 0 {
ks = append(append(append([]byte{}, ks[:2]...), byte('0')), ks[2:]...)
}
if len(vs)%2 != 0 {
vs = append(append(append([]byte{}, vs[:2]...), byte('0')), vs[2:]...)
}
result.Storage[common.BytesToHash(it.Key)] = SRItem{
Key: string(ks),
Value: string(vs),
}
//fmt.Printf("Key: %s, Value: %s\n", ks, vs)
} else {
//fmt.Printf("Did not find preimage for %x\n", it.Key)
}
}
if it.Next() {
result.Complete = false
} else {
result.Complete = true
}
return result, nil
}
func (api *RetestethAPI) ClientVersion(ctx context.Context) (string, error) {
return "Geth-" + params.VersionWithCommit(gitCommit, gitDate), nil
}
// splitAndTrim splits input separated by a comma
// and trims excessive white space from the substrings.
func splitAndTrim(input string) []string {
result := strings.Split(input, ",")
for i, r := range result {
result[i] = strings.TrimSpace(r)
}
return result
}
func retesteth(ctx *cli.Context) error {
log.Info("Welcome to retesteth!")
// register signer API with server
var (
extapiURL string
)
apiImpl := &RetestethAPI{}
var testApi RetestethTestAPI = apiImpl
var ethApi RetestethEthAPI = apiImpl
var debugApi RetestethDebugAPI = apiImpl
var web3Api RetestWeb3API = apiImpl
rpcAPI := []rpc.API{
{
Namespace: "test",
Public: true,
Service: testApi,
Version: "1.0",
},
{
Namespace: "eth",
Public: true,
Service: ethApi,
Version: "1.0",
},
{
Namespace: "debug",
Public: true,
Service: debugApi,
Version: "1.0",
},
{
Namespace: "web3",
Public: true,
Service: web3Api,
Version: "1.0",
},
}
vhosts := splitAndTrim(ctx.GlobalString(utils.RPCVirtualHostsFlag.Name))
cors := splitAndTrim(ctx.GlobalString(utils.RPCCORSDomainFlag.Name))
// start http server
httpEndpoint := fmt.Sprintf("%s:%d", ctx.GlobalString(utils.RPCListenAddrFlag.Name), ctx.Int(rpcPortFlag.Name))
listener, _, err := rpc.StartHTTPEndpoint(httpEndpoint, rpcAPI, []string{"test", "eth", "debug", "web3"}, cors, vhosts, rpc.DefaultHTTPTimeouts)
if err != nil {
utils.Fatalf("Could not start RPC api: %v", err)
}
extapiURL = fmt.Sprintf("http://%s", httpEndpoint)
log.Info("HTTP endpoint opened", "url", extapiURL)
defer func() {
listener.Close()
log.Info("HTTP endpoint closed", "url", httpEndpoint)
}()
abortChan := make(chan os.Signal)
signal.Notify(abortChan, os.Interrupt)
sig := <-abortChan
log.Info("Exiting...", "signal", sig)
return nil
}
