mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-26 21:47:18 +00:00
678 lines
23 KiB
Go
678 lines
23 KiB
Go
// Copyright 2014 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package core
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import (
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"bytes"
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"context"
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"embed"
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"encoding/binary"
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"encoding/hex"
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"encoding/json"
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"errors"
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"fmt"
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"math/big"
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"sync"
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"github.com/holiman/uint256"
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"github.com/ledgerwatch/erigon/common"
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"github.com/ledgerwatch/erigon/common/dbutils"
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"github.com/ledgerwatch/erigon/common/hexutil"
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"github.com/ledgerwatch/erigon/common/math"
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"github.com/ledgerwatch/erigon/core/rawdb"
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"github.com/ledgerwatch/erigon/core/state"
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"github.com/ledgerwatch/erigon/core/types"
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"github.com/ledgerwatch/erigon/crypto"
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"github.com/ledgerwatch/erigon/ethdb"
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"github.com/ledgerwatch/erigon/ethdb/kv"
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"github.com/ledgerwatch/erigon/log"
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"github.com/ledgerwatch/erigon/params"
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"github.com/ledgerwatch/erigon/rlp"
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"github.com/ledgerwatch/erigon/turbo/trie"
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)
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//go:generate gencodec -type Genesis -field-override genesisSpecMarshaling -out gen_genesis.go
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//go:generate gencodec -type GenesisAccount -field-override genesisAccountMarshaling -out gen_genesis_account.go
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//go:embed allocs
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var allocs embed.FS
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var ErrGenesisNoConfig = errors.New("genesis has no chain configuration")
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// Genesis specifies the header fields, state of a genesis block. It also defines hard
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// fork switch-over blocks through the chain configuration.
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type Genesis struct {
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Config *params.ChainConfig `json:"config"`
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Nonce uint64 `json:"nonce"`
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Timestamp uint64 `json:"timestamp"`
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ExtraData []byte `json:"extraData"`
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GasLimit uint64 `json:"gasLimit" gencodec:"required"`
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Difficulty *big.Int `json:"difficulty" gencodec:"required"`
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Mixhash common.Hash `json:"mixHash"`
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Coinbase common.Address `json:"coinbase"`
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Alloc GenesisAlloc `json:"alloc" gencodec:"required"`
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SealRlp []byte `json:"sealRlp"`
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// These fields are used for consensus tests. Please don't use them
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// in actual genesis blocks.
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Number uint64 `json:"number"`
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GasUsed uint64 `json:"gasUsed"`
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ParentHash common.Hash `json:"parentHash"`
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BaseFee *big.Int `json:"baseFee"`
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}
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// GenesisAlloc specifies the initial state that is part of the genesis block.
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type GenesisAlloc map[common.Address]GenesisAccount
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type AuthorityRoundSeal struct {
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/// Seal step.
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Step uint64 `json:"step"`
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/// Seal signature.
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Signature common.Hash `json:"signature"`
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}
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func (ga *GenesisAlloc) UnmarshalJSON(data []byte) error {
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m := make(map[common.UnprefixedAddress]GenesisAccount)
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if err := json.Unmarshal(data, &m); err != nil {
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return err
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}
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*ga = make(GenesisAlloc)
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for addr, a := range m {
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(*ga)[common.Address(addr)] = a
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}
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return nil
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}
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// GenesisAccount is an account in the state of the genesis block.
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type GenesisAccount struct {
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Code []byte `json:"code,omitempty"`
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Storage map[common.Hash]common.Hash `json:"storage,omitempty"`
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Balance *big.Int `json:"balance" gencodec:"required"`
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Nonce uint64 `json:"nonce,omitempty"`
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PrivateKey []byte `json:"secretKey,omitempty"` // for tests
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}
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// field type overrides for gencodec
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type genesisSpecMarshaling struct {
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Nonce math.HexOrDecimal64
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Timestamp math.HexOrDecimal64
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ExtraData hexutil.Bytes
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GasLimit math.HexOrDecimal64
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GasUsed math.HexOrDecimal64
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Number math.HexOrDecimal64
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Difficulty *math.HexOrDecimal256
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Alloc map[common.UnprefixedAddress]GenesisAccount
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}
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type genesisAccountMarshaling struct {
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Code hexutil.Bytes
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Balance *math.HexOrDecimal256
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Nonce math.HexOrDecimal64
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Storage map[storageJSON]storageJSON
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PrivateKey hexutil.Bytes
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}
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// storageJSON represents a 256 bit byte array, but allows less than 256 bits when
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// unmarshaling from hex.
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type storageJSON common.Hash
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func (h *storageJSON) UnmarshalText(text []byte) error {
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text = bytes.TrimPrefix(text, []byte("0x"))
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if len(text) > 64 {
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return fmt.Errorf("too many hex characters in storage key/value %q", text)
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}
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offset := len(h) - len(text)/2 // pad on the left
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if _, err := hex.Decode(h[offset:], text); err != nil {
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return fmt.Errorf("invalid hex storage key/value %q", text)
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}
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return nil
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}
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func (h storageJSON) MarshalText() ([]byte, error) {
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return hexutil.Bytes(h[:]).MarshalText()
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}
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// GenesisMismatchError is raised when trying to overwrite an existing
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// genesis block with an incompatible one.
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type GenesisMismatchError struct {
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Stored, New common.Hash
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}
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func (e *GenesisMismatchError) Error() string {
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return fmt.Sprintf("database contains incompatible genesis (have %x, new %x)", e.Stored, e.New)
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}
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// CommitGenesisBlock writes or updates the genesis block in db.
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// The block that will be used is:
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//
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// genesis == nil genesis != nil
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// +------------------------------------------
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// db has no genesis | main-net default | genesis
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// db has genesis | from DB | genesis (if compatible)
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//
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// The stored chain configuration will be updated if it is compatible (i.e. does not
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// specify a fork block below the local head block). In case of a conflict, the
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// error is a *params.ConfigCompatError and the new, unwritten config is returned.
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//
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// The returned chain configuration is never nil.
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func CommitGenesisBlock(db ethdb.RwKV, genesis *Genesis, history bool) (*params.ChainConfig, *types.Block, error) {
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tx, err := db.BeginRw(context.Background())
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if err != nil {
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return nil, nil, err
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}
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defer tx.Rollback()
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c, b, err := WriteGenesisBlock(tx, genesis, history)
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if err != nil {
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return c, b, err
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}
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err = tx.Commit()
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if err != nil {
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return c, b, err
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}
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return c, b, nil
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}
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func MustCommitGenesisBlock(db ethdb.RwKV, genesis *Genesis, history bool) (*params.ChainConfig, *types.Block) {
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c, b, err := CommitGenesisBlock(db, genesis, history)
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if err != nil {
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panic(err)
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}
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return c, b
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}
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func OverrideGenesisBlock(db ethdb.RwTx, genesis *Genesis, history bool) (*params.ChainConfig, *types.Block, error) {
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stored, err := rawdb.ReadCanonicalHash(db, 0)
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if err != nil {
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return nil, nil, err
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}
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err = rawdb.DeleteCanonicalHash(db, 0)
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if err != nil {
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return nil, nil, err
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}
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err = rawdb.DeleteChainConfig(db, stored)
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if err != nil {
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return nil, nil, err
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}
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return WriteGenesisBlock(db, genesis, history)
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}
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func WriteGenesisBlock(db ethdb.RwTx, genesis *Genesis, history bool) (*params.ChainConfig, *types.Block, error) {
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if genesis != nil && genesis.Config == nil {
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return params.AllEthashProtocolChanges, nil, ErrGenesisNoConfig
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}
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// Just commit the new block if there is no stored genesis block.
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stored, storedErr := rawdb.ReadCanonicalHash(db, 0)
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if storedErr != nil {
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return nil, nil, storedErr
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}
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if (stored == common.Hash{}) {
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custom := true
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if genesis == nil {
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log.Info("Writing default main-net genesis block")
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genesis = DefaultGenesisBlock()
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custom = false
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}
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block, _, err1 := genesis.Write(db, history)
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if err1 != nil {
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return genesis.Config, nil, err1
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}
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if custom {
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log.Info("Writing custom genesis block", "hash", block.Hash().String())
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}
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return genesis.Config, block, nil
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}
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// Check whether the genesis block is already written.
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if genesis != nil {
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block, _, err1 := genesis.ToBlock()
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if err1 != nil {
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return genesis.Config, nil, err1
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}
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hash := block.Hash()
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if hash != stored {
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return genesis.Config, block, &GenesisMismatchError{stored, hash}
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}
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}
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storedBlock, err := rawdb.ReadBlockByHash(db, stored)
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if err != nil {
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return genesis.Config, nil, err
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}
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// Get the existing chain configuration.
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newcfg := genesis.configOrDefault(stored)
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if err := newcfg.CheckConfigForkOrder(); err != nil {
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return newcfg, nil, err
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}
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storedcfg, storedErr := rawdb.ReadChainConfig(db, stored)
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if storedErr != nil {
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return newcfg, nil, storedErr
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}
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if storedcfg == nil {
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log.Warn("Found genesis block without chain config")
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err1 := rawdb.WriteChainConfig(db, stored, newcfg)
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if err1 != nil {
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return newcfg, nil, err1
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}
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return newcfg, storedBlock, nil
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}
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// Special case: don't change the existing config of a non-mainnet chain if no new
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// config is supplied. These chains would get AllProtocolChanges (and a compat error)
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// if we just continued here.
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if genesis == nil && stored != params.MainnetGenesisHash {
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return storedcfg, storedBlock, nil
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}
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// Check config compatibility and write the config. Compatibility errors
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// are returned to the caller unless we're already at block zero.
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height := rawdb.ReadHeaderNumber(db, rawdb.ReadHeadHeaderHash(db))
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if height == nil {
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//return newcfg, stored, stateDB, fmt.Errorf("missing block number for head header hash")
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} else {
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compatErr := storedcfg.CheckCompatible(newcfg, *height)
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if compatErr != nil && *height != 0 && compatErr.RewindTo != 0 {
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return newcfg, storedBlock, compatErr
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}
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}
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if err := rawdb.WriteChainConfig(db, stored, newcfg); err != nil {
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return newcfg, nil, err
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}
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return newcfg, storedBlock, nil
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}
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func (g *Genesis) configOrDefault(ghash common.Hash) *params.ChainConfig {
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switch {
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case g != nil:
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return g.Config
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case ghash == params.MainnetGenesisHash:
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return params.MainnetChainConfig
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case ghash == params.RopstenGenesisHash:
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return params.RopstenChainConfig
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case ghash == params.RinkebyGenesisHash:
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return params.RinkebyChainConfig
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case ghash == params.GoerliGenesisHash:
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return params.GoerliChainConfig
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case ghash == params.ErigonGenesisHash:
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return params.ErigonChainConfig
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case ghash == params.CalaverasGenesisHash:
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return params.CalaverasChainConfig
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case ghash == params.SokolGenesisHash:
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return params.SokolChainConfig
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default:
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return params.AllEthashProtocolChanges
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}
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}
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// ToBlock creates the genesis block and writes state of a genesis specification
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// to the given database (or discards it if nil).
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func (g *Genesis) ToBlock() (*types.Block, *state.IntraBlockState, error) {
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var root common.Hash
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var statedb *state.IntraBlockState
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wg := sync.WaitGroup{}
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wg.Add(1)
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go func() { // we may run inside write tx, can't open 2nd write tx in same goroutine
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defer wg.Done()
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tmpDB := kv.NewMDBX().InMem().MustOpen()
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defer tmpDB.Close()
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tx, err := tmpDB.BeginRw(context.Background())
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if err != nil {
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panic(err)
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}
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defer tx.Rollback()
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r, w := state.NewDbStateReader(kv.WrapIntoTxDB(tx)), state.NewDbStateWriter(kv.WrapIntoTxDB(tx), 0)
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statedb = state.New(r)
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for addr, account := range g.Alloc {
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balance, overflow := uint256.FromBig(account.Balance)
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if overflow {
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panic("overflow at genesis allocs")
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}
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statedb.AddBalance(addr, balance)
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statedb.SetCode(addr, account.Code)
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statedb.SetNonce(addr, account.Nonce)
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for key, value := range account.Storage {
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key := key
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val := uint256.NewInt(0).SetBytes(value.Bytes())
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statedb.SetState(addr, &key, *val)
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}
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if len(account.Code) > 0 || len(account.Storage) > 0 {
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statedb.SetIncarnation(addr, 1)
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}
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}
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if err := statedb.FinalizeTx(params.Rules{}, w); err != nil {
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panic(err)
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}
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root, err = trie.CalcRoot("genesis", tx)
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if err != nil {
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panic(err)
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}
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}()
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wg.Wait()
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decodeSeal := func(in []byte) (seal []rlp.RawValue) {
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if len(in) == 0 {
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return nil
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}
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err := rlp.Decode(bytes.NewReader(in), &seal)
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if err != nil {
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panic(err)
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}
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return seal
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}
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head := &types.Header{
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Number: new(big.Int).SetUint64(g.Number),
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Nonce: types.EncodeNonce(g.Nonce),
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Time: g.Timestamp,
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ParentHash: g.ParentHash,
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Extra: g.ExtraData,
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GasLimit: g.GasLimit,
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GasUsed: g.GasUsed,
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Difficulty: g.Difficulty,
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MixDigest: g.Mixhash,
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Coinbase: g.Coinbase,
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Root: root,
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BaseFee: g.BaseFee,
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Seal: decodeSeal(g.SealRlp),
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WithSeal: g.SealRlp != nil,
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}
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if g.GasLimit == 0 {
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head.GasLimit = params.GenesisGasLimit
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}
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if g.Difficulty == nil {
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head.Difficulty = params.GenesisDifficulty
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}
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if g.Config != nil && (g.Config.IsLondon(0)) {
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head.Eip1559 = true
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if g.BaseFee != nil {
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head.BaseFee = g.BaseFee
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} else {
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head.BaseFee = new(big.Int).SetUint64(params.InitialBaseFee)
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}
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}
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return types.NewBlock(head, nil, nil, nil), statedb, nil
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}
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func (g *Genesis) WriteGenesisState(tx ethdb.RwTx, history bool) (*types.Block, *state.IntraBlockState, error) {
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block, statedb, err := g.ToBlock()
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if err != nil {
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return nil, nil, err
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}
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for addr, account := range g.Alloc {
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if len(account.Code) == 0 && len(account.Storage) > 0 {
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// Special case for weird tests - inaccessible storage
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var b [8]byte
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binary.BigEndian.PutUint64(b[:], state.FirstContractIncarnation)
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if err := tx.Put(dbutils.IncarnationMapBucket, addr[:], b[:]); err != nil {
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return nil, nil, err
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}
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}
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}
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if block.Number().Sign() != 0 {
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return nil, statedb, fmt.Errorf("can't commit genesis block with number > 0")
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}
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blockWriter := state.NewPlainStateWriter(tx, tx, 0)
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if err := statedb.CommitBlock(params.Rules{}, blockWriter); err != nil {
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return nil, statedb, fmt.Errorf("cannot write state: %v", err)
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}
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if err := blockWriter.WriteChangeSets(); err != nil {
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return nil, statedb, fmt.Errorf("cannot write change sets: %v", err)
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}
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// Optionally write history
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if history {
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if err := blockWriter.WriteHistory(); err != nil {
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return nil, statedb, fmt.Errorf("cannot write history: %v", err)
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}
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}
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return block, statedb, nil
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}
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func (g *Genesis) MustWrite(tx ethdb.RwTx, history bool) (*types.Block, *state.IntraBlockState) {
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b, s, err := g.Write(tx, history)
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if err != nil {
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panic(err)
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}
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return b, s
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}
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// Commit writes the block and state of a genesis specification to the database.
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// The block is committed as the canonical head block.
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func (g *Genesis) Write(tx ethdb.RwTx, history bool) (*types.Block, *state.IntraBlockState, error) {
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block, statedb, err2 := g.WriteGenesisState(tx, history)
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if err2 != nil {
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return block, statedb, err2
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}
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config := g.Config
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if config == nil {
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config = params.AllEthashProtocolChanges
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}
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if err := config.CheckConfigForkOrder(); err != nil {
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return nil, nil, err
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}
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if err := rawdb.WriteTd(tx, block.Hash(), block.NumberU64(), g.Difficulty); err != nil {
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return nil, nil, err
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}
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if err := rawdb.WriteBlock(tx, block); err != nil {
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return nil, nil, err
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}
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if err := rawdb.WriteReceipts(tx, block.NumberU64(), nil); err != nil {
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return nil, nil, err
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}
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if err := rawdb.WriteCanonicalHash(tx, block.Hash(), block.NumberU64()); err != nil {
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return nil, nil, err
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}
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rawdb.WriteHeadBlockHash(tx, block.Hash())
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if err := rawdb.WriteHeadHeaderHash(tx, block.Hash()); err != nil {
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return nil, nil, err
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}
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if err := rawdb.WriteChainConfig(tx, block.Hash(), config); err != nil {
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return nil, nil, err
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}
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return block, statedb, nil
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}
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func (g *Genesis) Commit(db ethdb.Database, history bool) (*types.Block, error) {
|
|
tx, err := db.Begin(context.Background(), ethdb.RW)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer tx.Rollback()
|
|
block, _, err := g.Write(tx.(ethdb.HasTx).Tx().(ethdb.RwTx), history)
|
|
if err != nil {
|
|
return block, err
|
|
}
|
|
if err := tx.Commit(); err != nil {
|
|
return block, err
|
|
}
|
|
return block, nil
|
|
}
|
|
|
|
// MustCommit writes the genesis block and state to db, panicking on error.
|
|
// The block is committed as the canonical head block.
|
|
func (g *Genesis) MustCommit(db ethdb.RwKV) *types.Block {
|
|
tx, err := db.BeginRw(context.Background())
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
defer tx.Rollback()
|
|
block, _ := g.MustWrite(tx, true)
|
|
err = tx.Commit()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return block
|
|
}
|
|
|
|
// GenesisBlockForTesting creates and writes a block in which addr has the given wei balance.
|
|
func GenesisBlockForTesting(db ethdb.RwKV, addr common.Address, balance *big.Int) *types.Block {
|
|
g := Genesis{Alloc: GenesisAlloc{addr: {Balance: balance}}, Config: params.TestChainConfig}
|
|
block := g.MustCommit(db)
|
|
return block
|
|
}
|
|
|
|
type GenAccount struct {
|
|
Addr common.Address
|
|
Balance *big.Int
|
|
}
|
|
|
|
func GenesisWithAccounts(db ethdb.RwKV, accs []GenAccount) *types.Block {
|
|
g := Genesis{Config: params.TestChainConfig}
|
|
allocs := make(map[common.Address]GenesisAccount)
|
|
for _, acc := range accs {
|
|
allocs[acc.Addr] = GenesisAccount{Balance: acc.Balance}
|
|
}
|
|
g.Alloc = allocs
|
|
block := g.MustCommit(db)
|
|
return block
|
|
}
|
|
|
|
// DefaultGenesisBlock returns the Ethereum main net genesis block.
|
|
func DefaultGenesisBlock() *Genesis {
|
|
return &Genesis{
|
|
Config: params.MainnetChainConfig,
|
|
Nonce: 66,
|
|
ExtraData: hexutil.MustDecode("0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa"),
|
|
GasLimit: 5000,
|
|
Difficulty: big.NewInt(17179869184),
|
|
Alloc: readPrealloc("allocs/mainnet.json"),
|
|
}
|
|
}
|
|
|
|
// DefaultRopstenGenesisBlock returns the Ropsten network genesis block.
|
|
func DefaultRopstenGenesisBlock() *Genesis {
|
|
return &Genesis{
|
|
Config: params.RopstenChainConfig,
|
|
Nonce: 66,
|
|
ExtraData: hexutil.MustDecode("0x3535353535353535353535353535353535353535353535353535353535353535"),
|
|
GasLimit: 16777216,
|
|
Difficulty: big.NewInt(1048576),
|
|
Alloc: readPrealloc("allocs/ropsten.json"),
|
|
}
|
|
}
|
|
|
|
// DefaultRinkebyGenesisBlock returns the Rinkeby network genesis block.
|
|
func DefaultRinkebyGenesisBlock() *Genesis {
|
|
return &Genesis{
|
|
Config: params.RinkebyChainConfig,
|
|
Timestamp: 1492009146,
|
|
ExtraData: hexutil.MustDecode("0x52657370656374206d7920617574686f7269746168207e452e436172746d616e42eb768f2244c8811c63729a21a3569731535f067ffc57839b00206d1ad20c69a1981b489f772031b279182d99e65703f0076e4812653aab85fca0f00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
|
|
GasLimit: 4700000,
|
|
Difficulty: big.NewInt(1),
|
|
Alloc: readPrealloc("allocs/rinkeby.json"),
|
|
}
|
|
}
|
|
|
|
// DefaultGoerliGenesisBlock returns the Görli network genesis block.
|
|
func DefaultGoerliGenesisBlock() *Genesis {
|
|
return &Genesis{
|
|
Config: params.GoerliChainConfig,
|
|
Timestamp: 1548854791,
|
|
ExtraData: hexutil.MustDecode("0x22466c6578692069732061207468696e6722202d204166726900000000000000e0a2bd4258d2768837baa26a28fe71dc079f84c70000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
|
|
GasLimit: 10485760,
|
|
Difficulty: big.NewInt(1),
|
|
Alloc: readPrealloc("allocs/goerli.json"),
|
|
}
|
|
}
|
|
|
|
func DefaultErigonGenesisBlock() *Genesis {
|
|
return &Genesis{
|
|
Config: params.ErigonChainConfig,
|
|
Nonce: 66,
|
|
ExtraData: hexutil.MustDecode("0x3535353535353535353535353535353535353535353535353535353535353535"),
|
|
GasLimit: 1000000000,
|
|
Difficulty: big.NewInt(1048576),
|
|
Alloc: readPrealloc("allocs/erigonmine.json"),
|
|
}
|
|
}
|
|
|
|
func DefaultCalaverasGenesisBlock() *Genesis {
|
|
// Full genesis: https://github.com/ethereum/eth1.0-specs/blob/master/network-upgrades/client-integration-testnets/aleut.md
|
|
return &Genesis{
|
|
Config: params.CalaverasChainConfig,
|
|
Timestamp: 0x60b3877f,
|
|
ExtraData: hexutil.MustDecode("0x00000000000000000000000000000000000000000000000000000000000000005211cea3870c7ba7c6c44b185e62eecdb864cd8c560228ce57d31efbf64c200b2c200aacec78cf17a7148e784fe95a7a750335f8b9572ee28d72e7650000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
|
|
GasLimit: 0x47b760,
|
|
Difficulty: big.NewInt(1),
|
|
Alloc: readPrealloc("allocs/calaveras.json"),
|
|
}
|
|
}
|
|
|
|
func DefaultSokolGenesisBlock() *Genesis {
|
|
/*
|
|
header rlp: 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
|
|
*/
|
|
sealRlp, err := rlp.EncodeToBytes([][]byte{
|
|
common.FromHex(""),
|
|
common.FromHex("0x0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
|
|
})
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return &Genesis{
|
|
Config: params.SokolChainConfig,
|
|
Timestamp: 0x0,
|
|
SealRlp: sealRlp,
|
|
GasLimit: 0x663BE0,
|
|
Difficulty: big.NewInt(0x20000),
|
|
Alloc: readPrealloc("allocs/sokol.json"),
|
|
}
|
|
}
|
|
|
|
// DeveloperGenesisBlock returns the 'geth --dev' genesis block.
|
|
func DeveloperGenesisBlock(period uint64, faucet common.Address) *Genesis {
|
|
// Override the default period to the user requested one
|
|
config := *params.AllCliqueProtocolChanges
|
|
config.Clique.Period = period
|
|
|
|
// Assemble and return the genesis with the precompiles and faucet pre-funded
|
|
return &Genesis{
|
|
Config: &config,
|
|
ExtraData: append(append(make([]byte, 32), faucet[:]...), make([]byte, crypto.SignatureLength)...),
|
|
GasLimit: 11500000,
|
|
Difficulty: big.NewInt(1),
|
|
Alloc: map[common.Address]GenesisAccount{
|
|
common.BytesToAddress([]byte{1}): {Balance: big.NewInt(1)}, // ECRecover
|
|
common.BytesToAddress([]byte{2}): {Balance: big.NewInt(1)}, // SHA256
|
|
common.BytesToAddress([]byte{3}): {Balance: big.NewInt(1)}, // RIPEMD
|
|
common.BytesToAddress([]byte{4}): {Balance: big.NewInt(1)}, // Identity
|
|
common.BytesToAddress([]byte{5}): {Balance: big.NewInt(1)}, // ModExp
|
|
common.BytesToAddress([]byte{6}): {Balance: big.NewInt(1)}, // ECAdd
|
|
common.BytesToAddress([]byte{7}): {Balance: big.NewInt(1)}, // ECScalarMul
|
|
common.BytesToAddress([]byte{8}): {Balance: big.NewInt(1)}, // ECPairing
|
|
common.BytesToAddress([]byte{9}): {Balance: big.NewInt(1)}, // BLAKE2b
|
|
faucet: {Balance: new(big.Int).Sub(new(big.Int).Lsh(big.NewInt(1), 256), big.NewInt(9))},
|
|
},
|
|
}
|
|
}
|
|
|
|
func readPrealloc(filename string) GenesisAlloc {
|
|
f, err := allocs.Open(filename)
|
|
if err != nil {
|
|
panic(fmt.Sprintf("Could not open genesis preallocation for %s: %v", filename, err))
|
|
}
|
|
defer f.Close()
|
|
decoder := json.NewDecoder(f)
|
|
ga := make(GenesisAlloc)
|
|
err = decoder.Decode(&ga)
|
|
if err != nil {
|
|
panic(fmt.Sprintf("Could not parse genesis preallocation for %s: %v", filename, err))
|
|
}
|
|
return ga
|
|
}
|