mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-22 19:50:36 +00:00
516 lines
17 KiB
Go
516 lines
17 KiB
Go
// Copyright 2015 The go-ethereum Authors
|
|
// This file is part of the go-ethereum library.
|
|
//
|
|
// The go-ethereum library is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// The go-ethereum library 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 Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public License
|
|
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package core
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"math/big"
|
|
|
|
"github.com/ledgerwatch/erigon-lib/common/length"
|
|
"github.com/ledgerwatch/erigon/core/systemcontracts"
|
|
|
|
"github.com/ledgerwatch/erigon-lib/kv"
|
|
"github.com/ledgerwatch/erigon/common"
|
|
"github.com/ledgerwatch/erigon/consensus"
|
|
"github.com/ledgerwatch/erigon/consensus/misc"
|
|
"github.com/ledgerwatch/erigon/consensus/serenity"
|
|
"github.com/ledgerwatch/erigon/core/state"
|
|
"github.com/ledgerwatch/erigon/core/types"
|
|
"github.com/ledgerwatch/erigon/core/vm"
|
|
"github.com/ledgerwatch/erigon/params"
|
|
"github.com/ledgerwatch/erigon/turbo/trie"
|
|
)
|
|
|
|
// BlockGen creates blocks for testing.
|
|
// See GenerateChain for a detailed explanation.
|
|
type BlockGen struct {
|
|
i int
|
|
parent *types.Block
|
|
chain []*types.Block
|
|
header *types.Header
|
|
stateReader state.StateReader
|
|
ibs *state.IntraBlockState
|
|
|
|
gasPool *GasPool
|
|
txs []types.Transaction
|
|
receipts []*types.Receipt
|
|
uncles []*types.Header
|
|
|
|
config *params.ChainConfig
|
|
engine consensus.Engine
|
|
}
|
|
|
|
// SetCoinbase sets the coinbase of the generated block.
|
|
// It can be called at most once.
|
|
func (b *BlockGen) SetCoinbase(addr common.Address) {
|
|
if b.gasPool != nil {
|
|
if len(b.txs) > 0 {
|
|
panic("coinbase must be set before adding transactions")
|
|
}
|
|
panic("coinbase can only be set once")
|
|
}
|
|
b.header.Coinbase = addr
|
|
b.gasPool = new(GasPool).AddGas(b.header.GasLimit)
|
|
}
|
|
|
|
// SetExtra sets the extra data field of the generated block.
|
|
func (b *BlockGen) SetExtra(data []byte) {
|
|
b.header.Extra = data
|
|
}
|
|
|
|
// SetNonce sets the nonce field of the generated block.
|
|
func (b *BlockGen) SetNonce(nonce types.BlockNonce) {
|
|
b.header.Nonce = nonce
|
|
}
|
|
|
|
// SetDifficulty sets the difficulty field of the generated block. This method is
|
|
// useful for Clique tests where the difficulty does not depend on time. For the
|
|
// ethash tests, please use OffsetTime, which implicitly recalculates the diff.
|
|
func (b *BlockGen) SetDifficulty(diff *big.Int) {
|
|
b.header.Difficulty = diff
|
|
}
|
|
|
|
// AddTx adds a transaction to the generated block. If no coinbase has
|
|
// been set, the block's coinbase is set to the zero address.
|
|
//
|
|
// AddTx panics if the transaction cannot be executed. In addition to
|
|
// the protocol-imposed limitations (gas limit, etc.), there are some
|
|
// further limitations on the content of transactions that can be
|
|
// added. Notably, contract code relying on the BLOCKHASH instruction
|
|
// will panic during execution.
|
|
func (b *BlockGen) AddTx(tx types.Transaction) {
|
|
b.AddTxWithChain(nil, nil, tx)
|
|
}
|
|
func (b *BlockGen) AddFailedTx(tx types.Transaction) {
|
|
b.AddFailedTxWithChain(nil, nil, tx)
|
|
}
|
|
|
|
// AddTxWithChain adds a transaction to the generated block. If no coinbase has
|
|
// been set, the block's coinbase is set to the zero address.
|
|
//
|
|
// AddTxWithChain panics if the transaction cannot be executed. In addition to
|
|
// the protocol-imposed limitations (gas limit, etc.), there are some
|
|
// further limitations on the content of transactions that can be
|
|
// added. If contract code relies on the BLOCKHASH instruction,
|
|
// the block in chain will be returned.
|
|
func (b *BlockGen) AddTxWithChain(getHeader func(hash common.Hash, number uint64) *types.Header, engine consensus.Engine, tx types.Transaction) {
|
|
if b.gasPool == nil {
|
|
b.SetCoinbase(common.Address{})
|
|
}
|
|
b.ibs.Prepare(tx.Hash(), common.Hash{}, len(b.txs))
|
|
receipt, _, err := ApplyTransaction(b.config, GetHashFn(b.header, getHeader), engine, &b.header.Coinbase, b.gasPool, b.ibs, state.NewNoopWriter(), b.header, tx, &b.header.GasUsed, vm.Config{})
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
b.txs = append(b.txs, tx)
|
|
b.receipts = append(b.receipts, receipt)
|
|
}
|
|
|
|
func (b *BlockGen) AddFailedTxWithChain(getHeader func(hash common.Hash, number uint64) *types.Header, engine consensus.Engine, tx types.Transaction) {
|
|
if b.gasPool == nil {
|
|
b.SetCoinbase(common.Address{})
|
|
}
|
|
b.ibs.Prepare(tx.Hash(), common.Hash{}, len(b.txs))
|
|
receipt, _, err := ApplyTransaction(b.config, GetHashFn(b.header, getHeader), engine, &b.header.Coinbase, b.gasPool, b.ibs, state.NewNoopWriter(), b.header, tx, &b.header.GasUsed, vm.Config{})
|
|
_ = err // accept failed transactions
|
|
b.txs = append(b.txs, tx)
|
|
b.receipts = append(b.receipts, receipt)
|
|
}
|
|
|
|
// AddUncheckedTx forcefully adds a transaction to the block without any
|
|
// validation.
|
|
//
|
|
// AddUncheckedTx will cause consensus failures when used during real
|
|
// chain processing. This is best used in conjunction with raw block insertion.
|
|
func (b *BlockGen) AddUncheckedTx(tx types.Transaction) {
|
|
b.txs = append(b.txs, tx)
|
|
}
|
|
|
|
// Number returns the block number of the block being generated.
|
|
func (b *BlockGen) Number() *big.Int {
|
|
return new(big.Int).Set(b.header.Number)
|
|
}
|
|
|
|
// AddUncheckedReceipt forcefully adds a receipts to the block without a
|
|
// backing transaction.
|
|
//
|
|
// AddUncheckedReceipt will cause consensus failures when used during real
|
|
// chain processing. This is best used in conjunction with raw block insertion.
|
|
func (b *BlockGen) AddUncheckedReceipt(receipt *types.Receipt) {
|
|
b.receipts = append(b.receipts, receipt)
|
|
}
|
|
|
|
// TxNonce returns the next valid transaction nonce for the
|
|
// account at addr. It panics if the account does not exist.
|
|
func (b *BlockGen) TxNonce(addr common.Address) uint64 {
|
|
if !b.ibs.Exist(addr) {
|
|
panic("account does not exist")
|
|
}
|
|
return b.ibs.GetNonce(addr)
|
|
}
|
|
|
|
// AddUncle adds an uncle header to the generated block.
|
|
func (b *BlockGen) AddUncle(h *types.Header) {
|
|
b.uncles = append(b.uncles, h)
|
|
}
|
|
|
|
// PrevBlock returns a previously generated block by number. It panics if
|
|
// num is greater or equal to the number of the block being generated.
|
|
// For index -1, PrevBlock returns the parent block given to GenerateChain.
|
|
func (b *BlockGen) PrevBlock(index int) *types.Block {
|
|
if index >= b.i {
|
|
panic(fmt.Errorf("block index %d out of range (%d,%d)", index, -1, b.i))
|
|
}
|
|
if index == -1 {
|
|
return b.parent
|
|
}
|
|
return b.chain[index]
|
|
}
|
|
|
|
// OffsetTime modifies the time instance of a block, implicitly changing its
|
|
// associated difficulty. It's useful to test scenarios where forking is not
|
|
// tied to chain length directly.
|
|
func (b *BlockGen) OffsetTime(seconds int64) {
|
|
b.header.Time += uint64(seconds)
|
|
parent := b.parent
|
|
if b.header.Time <= parent.Time() {
|
|
panic("block time out of range")
|
|
}
|
|
chainreader := &FakeChainReader{Cfg: b.config}
|
|
b.header.Difficulty = b.engine.CalcDifficulty(
|
|
chainreader,
|
|
b.header.Time,
|
|
parent.Time(),
|
|
parent.Difficulty(),
|
|
parent.NumberU64(),
|
|
parent.Hash(),
|
|
parent.UncleHash(),
|
|
parent.Header().AuRaStep,
|
|
)
|
|
}
|
|
|
|
func (b *BlockGen) GetHeader() *types.Header {
|
|
return b.header
|
|
}
|
|
|
|
func (b *BlockGen) GetParent() *types.Block {
|
|
return b.parent
|
|
}
|
|
|
|
func (b *BlockGen) GetReceipts() []*types.Receipt {
|
|
return b.receipts
|
|
}
|
|
|
|
var GenerateTrace bool
|
|
|
|
type ChainPack struct {
|
|
Headers []*types.Header
|
|
Blocks []*types.Block
|
|
Receipts []types.Receipts
|
|
TopBlock *types.Block // Convenience field to access the last block
|
|
}
|
|
|
|
func (cp *ChainPack) Length() int {
|
|
return len(cp.Blocks)
|
|
}
|
|
|
|
// OneBlock returns a ChainPack which contains just one
|
|
// block with given index
|
|
func (cp *ChainPack) Slice(i, j int) *ChainPack {
|
|
return &ChainPack{
|
|
Headers: cp.Headers[i:j],
|
|
Blocks: cp.Blocks[i:j],
|
|
Receipts: cp.Receipts[i:j],
|
|
TopBlock: cp.Blocks[j-1],
|
|
}
|
|
}
|
|
|
|
// Copy creates a deep copy of the ChainPack.
|
|
func (cp *ChainPack) Copy() *ChainPack {
|
|
headers := make([]*types.Header, 0, len(cp.Headers))
|
|
for _, header := range cp.Headers {
|
|
headers = append(headers, types.CopyHeader(header))
|
|
}
|
|
|
|
blocks := make([]*types.Block, 0, len(cp.Blocks))
|
|
for _, block := range cp.Blocks {
|
|
blocks = append(blocks, block.Copy())
|
|
}
|
|
|
|
receipts := make([]types.Receipts, 0, len(cp.Receipts))
|
|
for _, receiptList := range cp.Receipts {
|
|
receiptListCopy := make(types.Receipts, 0, len(receiptList))
|
|
for _, receipt := range receiptList {
|
|
receiptListCopy = append(receiptListCopy, receipt.Copy())
|
|
}
|
|
receipts = append(receipts, receiptListCopy)
|
|
}
|
|
|
|
topBlock := cp.TopBlock.Copy()
|
|
|
|
return &ChainPack{
|
|
Headers: headers,
|
|
Blocks: blocks,
|
|
Receipts: receipts,
|
|
TopBlock: topBlock,
|
|
}
|
|
}
|
|
|
|
func (cp *ChainPack) NumberOfPoWBlocks() int {
|
|
for i, header := range cp.Headers {
|
|
if header.Difficulty.Cmp(serenity.SerenityDifficulty) == 0 {
|
|
return i
|
|
}
|
|
}
|
|
return len(cp.Headers)
|
|
}
|
|
|
|
// GenerateChain creates a chain of n blocks. The first block's
|
|
// parent will be the provided parent. db is used to store
|
|
// intermediate states and should contain the parent's state trie.
|
|
//
|
|
// The generator function is called with a new block generator for
|
|
// every block. Any transactions and uncles added to the generator
|
|
// become part of the block. If gen is nil, the blocks will be empty
|
|
// and their coinbase will be the zero address.
|
|
//
|
|
// Blocks created by GenerateChain do not contain valid proof of work
|
|
// values. Inserting them into BlockChain requires use of FakePow or
|
|
// a similar non-validating proof of work implementation.
|
|
func GenerateChain(config *params.ChainConfig, parent *types.Block, engine consensus.Engine, db kv.RwDB, n int, gen func(int, *BlockGen),
|
|
intermediateHashes bool,
|
|
) (*ChainPack, error) {
|
|
if config == nil {
|
|
config = params.TestChainConfig
|
|
}
|
|
headers, blocks, receipts := make([]*types.Header, n), make(types.Blocks, n), make([]types.Receipts, n)
|
|
chainreader := &FakeChainReader{Cfg: config, current: parent}
|
|
tx, errBegin := db.BeginRw(context.Background())
|
|
if errBegin != nil {
|
|
return nil, errBegin
|
|
}
|
|
defer tx.Rollback()
|
|
|
|
genblock := func(i int, parent *types.Block, ibs *state.IntraBlockState, stateReader state.StateReader,
|
|
plainStateWriter *state.PlainStateWriter) (*types.Block, types.Receipts, error) {
|
|
b := &BlockGen{i: i, chain: blocks, parent: parent, ibs: ibs, stateReader: stateReader, config: config, engine: engine, txs: make([]types.Transaction, 0, 1), receipts: make([]*types.Receipt, 0, 1), uncles: make([]*types.Header, 0, 1)}
|
|
b.header = makeHeader(chainreader, parent, ibs, b.engine)
|
|
// Mutate the state and block according to any hard-fork specs
|
|
if daoBlock := config.DAOForkBlock; daoBlock != nil {
|
|
limit := new(big.Int).Add(daoBlock, params.DAOForkExtraRange)
|
|
if b.header.Number.Cmp(daoBlock) >= 0 && b.header.Number.Cmp(limit) < 0 {
|
|
if config.DAOForkSupport {
|
|
b.header.Extra = common.CopyBytes(params.DAOForkBlockExtra)
|
|
}
|
|
}
|
|
}
|
|
if config.DAOForkSupport && config.DAOForkBlock != nil && config.DAOForkBlock.Cmp(b.header.Number) == 0 {
|
|
misc.ApplyDAOHardFork(ibs)
|
|
}
|
|
systemcontracts.UpgradeBuildInSystemContract(config, b.header.Number, ibs)
|
|
// Execute any user modifications to the block
|
|
if gen != nil {
|
|
gen(i, b)
|
|
}
|
|
if b.engine != nil {
|
|
// Finalize and seal the block
|
|
if _, _, _, err := b.engine.FinalizeAndAssemble(config, b.header, ibs, b.txs, b.uncles, b.receipts, nil /* withdrawals */, nil, nil, nil, nil); err != nil {
|
|
return nil, nil, fmt.Errorf("call to FinaliseAndAssemble: %w", err)
|
|
}
|
|
// Write state changes to db
|
|
if err := ibs.CommitBlock(config.Rules(b.header.Number.Uint64(), b.header.Time), plainStateWriter); err != nil {
|
|
return nil, nil, fmt.Errorf("call to CommitBlock to plainStateWriter: %w", err)
|
|
}
|
|
|
|
if err := tx.ClearBucket(kv.HashedAccounts); err != nil {
|
|
return nil, nil, fmt.Errorf("clear HashedAccounts bucket: %w", err)
|
|
}
|
|
if err := tx.ClearBucket(kv.HashedStorage); err != nil {
|
|
return nil, nil, fmt.Errorf("clear HashedStorage bucket: %w", err)
|
|
}
|
|
if err := tx.ClearBucket(kv.TrieOfAccounts); err != nil {
|
|
return nil, nil, fmt.Errorf("clear TrieOfAccounts bucket: %w", err)
|
|
}
|
|
if err := tx.ClearBucket(kv.TrieOfStorage); err != nil {
|
|
return nil, nil, fmt.Errorf("clear TrieOfStorage bucket: %w", err)
|
|
}
|
|
c, err := tx.Cursor(kv.PlainState)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
h := common.NewHasher()
|
|
defer common.ReturnHasherToPool(h)
|
|
for k, v, err := c.First(); k != nil; k, v, err = c.Next() {
|
|
if err != nil {
|
|
return nil, nil, fmt.Errorf("interate over plain state: %w", err)
|
|
}
|
|
var newK []byte
|
|
if len(k) == length.Addr {
|
|
newK = make([]byte, length.Hash)
|
|
} else {
|
|
newK = make([]byte, length.Hash*2+length.Incarnation)
|
|
}
|
|
h.Sha.Reset()
|
|
//nolint:errcheck
|
|
h.Sha.Write(k[:length.Addr])
|
|
//nolint:errcheck
|
|
h.Sha.Read(newK[:length.Hash])
|
|
if len(k) > length.Addr {
|
|
copy(newK[length.Hash:], k[length.Addr:length.Addr+length.Incarnation])
|
|
h.Sha.Reset()
|
|
//nolint:errcheck
|
|
h.Sha.Write(k[length.Addr+length.Incarnation:])
|
|
//nolint:errcheck
|
|
h.Sha.Read(newK[length.Hash+length.Incarnation:])
|
|
if err = tx.Put(kv.HashedStorage, newK, common.CopyBytes(v)); err != nil {
|
|
return nil, nil, fmt.Errorf("insert hashed key: %w", err)
|
|
}
|
|
} else {
|
|
if err = tx.Put(kv.HashedAccounts, newK, common.CopyBytes(v)); err != nil {
|
|
return nil, nil, fmt.Errorf("insert hashed key: %w", err)
|
|
}
|
|
}
|
|
|
|
}
|
|
c.Close()
|
|
if GenerateTrace {
|
|
fmt.Printf("State after %d================\n", b.header.Number)
|
|
it, err := tx.Range(kv.HashedAccounts, nil, nil)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
for it.HasNext() {
|
|
k, v, err := it.Next()
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
fmt.Printf("%x: %x\n", k, v)
|
|
}
|
|
fmt.Printf("..................\n")
|
|
it, err = tx.Range(kv.HashedStorage, nil, nil)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
for it.HasNext() {
|
|
k, v, err := it.Next()
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
fmt.Printf("%x: %x\n", k, v)
|
|
}
|
|
fmt.Printf("===============================\n")
|
|
}
|
|
if hash, err := trie.CalcRoot("GenerateChain", tx); err == nil {
|
|
b.header.Root = hash
|
|
} else {
|
|
return nil, nil, fmt.Errorf("call to CalcTrieRoot: %w", err)
|
|
}
|
|
|
|
// Recreating block to make sure Root makes it into the header
|
|
block := types.NewBlock(b.header, b.txs, b.uncles, b.receipts, nil /* withdrawals */)
|
|
return block, b.receipts, nil
|
|
}
|
|
return nil, nil, fmt.Errorf("no engine to generate blocks")
|
|
}
|
|
|
|
for i := 0; i < n; i++ {
|
|
stateReader := state.NewPlainStateReader(tx)
|
|
plainStateWriter := state.NewPlainStateWriter(tx, nil, parent.NumberU64()+uint64(i)+1)
|
|
ibs := state.New(stateReader)
|
|
block, receipt, err := genblock(i, parent, ibs, stateReader, plainStateWriter)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("generating block %d: %w", i, err)
|
|
}
|
|
headers[i] = block.Header()
|
|
blocks[i] = block
|
|
receipts[i] = receipt
|
|
parent = block
|
|
}
|
|
|
|
tx.Rollback()
|
|
|
|
return &ChainPack{Headers: headers, Blocks: blocks, Receipts: receipts, TopBlock: blocks[n-1]}, nil
|
|
}
|
|
|
|
func MakeEmptyHeader(parent *types.Header, chainConfig *params.ChainConfig, timestamp uint64, targetGasLimit *uint64) *types.Header {
|
|
header := &types.Header{
|
|
Root: parent.Root,
|
|
ParentHash: parent.Hash(),
|
|
Number: new(big.Int).Add(parent.Number, common.Big1),
|
|
Difficulty: common.Big0,
|
|
Time: timestamp,
|
|
}
|
|
|
|
parentGasLimit := parent.GasLimit
|
|
// Set baseFee and GasLimit if we are on an EIP-1559 chain
|
|
if chainConfig.IsLondon(header.Number.Uint64()) {
|
|
header.BaseFee = misc.CalcBaseFee(chainConfig, parent)
|
|
if !chainConfig.IsLondon(parent.Number.Uint64()) {
|
|
parentGasLimit = parent.GasLimit * params.ElasticityMultiplier
|
|
}
|
|
}
|
|
if targetGasLimit != nil {
|
|
header.GasLimit = CalcGasLimit(parentGasLimit, *targetGasLimit)
|
|
} else {
|
|
header.GasLimit = parentGasLimit
|
|
}
|
|
|
|
return header
|
|
}
|
|
|
|
func makeHeader(chain consensus.ChainReader, parent *types.Block, state *state.IntraBlockState, engine consensus.Engine) *types.Header {
|
|
var time uint64
|
|
if parent.Time() == 0 {
|
|
time = 10
|
|
} else {
|
|
time = parent.Time() + 10 // block time is fixed at 10 seconds
|
|
}
|
|
|
|
header := MakeEmptyHeader(parent.Header(), chain.Config(), time, nil)
|
|
header.Coinbase = parent.Coinbase()
|
|
header.Difficulty = engine.CalcDifficulty(chain, time,
|
|
time-10,
|
|
parent.Difficulty(),
|
|
parent.NumberU64(),
|
|
parent.Hash(),
|
|
parent.UncleHash(),
|
|
parent.Header().AuRaStep,
|
|
)
|
|
header.AuRaSeal = engine.GenerateSeal(chain, header, parent.Header(), nil)
|
|
|
|
return header
|
|
}
|
|
|
|
type FakeChainReader struct {
|
|
Cfg *params.ChainConfig
|
|
current *types.Block
|
|
}
|
|
|
|
// Config returns the chain configuration.
|
|
func (cr *FakeChainReader) Config() *params.ChainConfig {
|
|
return cr.Cfg
|
|
}
|
|
|
|
func (cr *FakeChainReader) CurrentHeader() *types.Header { return cr.current.Header() }
|
|
func (cr *FakeChainReader) GetHeaderByNumber(number uint64) *types.Header { return nil }
|
|
func (cr *FakeChainReader) GetHeaderByHash(hash common.Hash) *types.Header { return nil }
|
|
func (cr *FakeChainReader) GetHeader(hash common.Hash, number uint64) *types.Header { return nil }
|
|
func (cr *FakeChainReader) GetBlock(hash common.Hash, number uint64) *types.Block { return nil }
|
|
func (cr *FakeChainReader) HasBlock(hash common.Hash, number uint64) bool { return false }
|
|
func (cr *FakeChainReader) GetTd(hash common.Hash, number uint64) *big.Int { return nil }
|