660 lines
25 KiB
Go
660 lines
25 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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"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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"strings"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/common/math"
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"github.com/ethereum/go-ethereum/core/rawdb"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/log"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/ethereum/go-ethereum/trie"
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)
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//go:generate go run github.com/fjl/gencodec -type Genesis -field-override genesisSpecMarshaling -out gen_genesis.go
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//go:generate go run github.com/fjl/gencodec -type GenesisAccount -field-override genesisAccountMarshaling -out gen_genesis_account.go
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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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// 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:"baseFeePerGas"` // EIP-1559
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ExcessBlobGas *uint64 `json:"excessBlobGas,omitempty"` // EIP-4844, TODO(Nathan): remove tag `omitempty` after cancun fork
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BlobGasUsed *uint64 `json:"blobGasUsed,omitempty"` // EIP-4844, TODO(Nathan): remove tag `omitempty` after cancun fork
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}
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func ReadGenesis(db ethdb.Database) (*Genesis, error) {
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var genesis Genesis
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stored := rawdb.ReadCanonicalHash(db, 0)
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if (stored == common.Hash{}) {
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return nil, fmt.Errorf("invalid genesis hash in database: %x", stored)
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}
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blob := rawdb.ReadGenesisStateSpec(db, stored)
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if blob == nil {
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return nil, errors.New("genesis state missing from db")
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}
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if len(blob) != 0 {
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if err := genesis.Alloc.UnmarshalJSON(blob); err != nil {
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return nil, fmt.Errorf("could not unmarshal genesis state json: %s", err)
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}
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}
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genesis.Config = rawdb.ReadChainConfig(db, stored)
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if genesis.Config == nil {
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return nil, errors.New("genesis config missing from db")
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}
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genesisBlock := rawdb.ReadBlock(db, stored, 0)
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if genesisBlock == nil {
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return nil, errors.New("genesis block missing from db")
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}
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genesisHeader := genesisBlock.Header()
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genesis.Nonce = genesisHeader.Nonce.Uint64()
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genesis.Timestamp = genesisHeader.Time
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genesis.ExtraData = genesisHeader.Extra
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genesis.GasLimit = genesisHeader.GasLimit
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genesis.Difficulty = genesisHeader.Difficulty
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genesis.Mixhash = genesisHeader.MixDigest
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genesis.Coinbase = genesisHeader.Coinbase
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genesis.BaseFee = genesisHeader.BaseFee
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genesis.ExcessBlobGas = genesisHeader.ExcessBlobGas
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genesis.BlobGasUsed = genesisHeader.BlobGasUsed
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return &genesis, nil
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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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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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// hash computes the state root according to the genesis specification.
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func (ga *GenesisAlloc) hash() (common.Hash, error) {
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// Create an ephemeral in-memory database for computing hash,
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// all the derived states will be discarded to not pollute disk.
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db := state.NewDatabase(rawdb.NewMemoryDatabase())
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statedb, err := state.New(types.EmptyRootHash, db, nil)
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if err != nil {
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return common.Hash{}, err
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}
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for addr, account := range *ga {
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statedb.AddBalance(addr, account.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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statedb.SetState(addr, key, value)
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}
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}
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statedb.IntermediateRoot(false)
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root, _, err := statedb.Commit(0, nil)
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return root, err
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}
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// flush is very similar with hash, but the main difference is all the generated
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// states will be persisted into the given database. Also, the genesis state
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// specification will be flushed as well.
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func (ga *GenesisAlloc) flush(db ethdb.Database, triedb *trie.Database, blockhash common.Hash) error {
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trieConfig := triedb.Config()
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if trieConfig != nil {
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trieConfig.NoTries = false
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}
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statedb, err := state.New(types.EmptyRootHash, state.NewDatabaseWithNodeDB(db, triedb), nil)
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if err != nil {
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return err
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}
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for addr, account := range *ga {
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statedb.AddBalance(addr, account.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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statedb.SetState(addr, key, value)
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}
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}
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statedb.IntermediateRoot(false)
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root, _, err := statedb.Commit(0, nil)
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if err != nil {
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return err
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}
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// Commit newly generated states into disk if it's not empty.
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if root != types.EmptyRootHash {
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if err := triedb.Commit(root, true); err != nil {
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return err
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}
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}
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// Marshal the genesis state specification and persist.
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blob, err := json.Marshal(ga)
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if err != nil {
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return err
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}
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rawdb.WriteGenesisStateSpec(db, blockhash, blob)
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return nil
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}
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// CommitGenesisState loads the stored genesis state with the given block
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// hash and commits it into the provided trie database.
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func CommitGenesisState(db ethdb.Database, triedb *trie.Database, blockhash common.Hash) error {
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var alloc GenesisAlloc
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blob := rawdb.ReadGenesisStateSpec(db, blockhash)
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if len(blob) != 0 {
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if err := alloc.UnmarshalJSON(blob); err != nil {
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return err
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}
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} else {
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// Genesis allocation is missing and there are several possibilities:
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// the node is legacy which doesn't persist the genesis allocation or
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// the persisted allocation is just lost.
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// - supported networks(mainnet, testnets), recover with defined allocations
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// - private network, can't recover
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var genesis *Genesis
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switch blockhash {
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case params.BSCGenesisHash:
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genesis = DefaultBSCGenesisBlock()
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}
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if genesis != nil {
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alloc = genesis.Alloc
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} else {
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return errors.New("not found")
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}
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}
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return alloc.flush(db, triedb, blockhash)
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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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BaseFee *math.HexOrDecimal256
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ExcessBlobGas *math.HexOrDecimal64
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BlobGasUsed *math.HexOrDecimal64
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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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// ChainOverrides contains the changes to chain config
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// Typically, these modifications involve hardforks that are not enabled on the BSC mainnet, intended for testing purposes.
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type ChainOverrides struct {
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OverrideShanghai *uint64
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OverrideKepler *uint64
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OverrideCancun *uint64
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OverrideVerkle *uint64
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OverrideFeynman *uint64
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}
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// SetupGenesisBlock 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 SetupGenesisBlock(db ethdb.Database, triedb *trie.Database, genesis *Genesis) (*params.ChainConfig, common.Hash, error) {
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return SetupGenesisBlockWithOverride(db, triedb, genesis, nil)
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}
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func SetupGenesisBlockWithOverride(db ethdb.Database, triedb *trie.Database, genesis *Genesis, overrides *ChainOverrides) (*params.ChainConfig, common.Hash, error) {
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if genesis != nil && genesis.Config == nil {
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return params.AllEthashProtocolChanges, common.Hash{}, errGenesisNoConfig
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}
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applyOverrides := func(config *params.ChainConfig) {
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if config != nil {
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if overrides != nil && overrides.OverrideShanghai != nil {
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config.ShanghaiTime = overrides.OverrideShanghai
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}
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if overrides != nil && overrides.OverrideKepler != nil {
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config.KeplerTime = overrides.OverrideKepler
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}
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if overrides != nil && overrides.OverrideCancun != nil {
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config.CancunTime = overrides.OverrideCancun
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}
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if overrides != nil && overrides.OverrideVerkle != nil {
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config.VerkleTime = overrides.OverrideVerkle
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}
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if overrides != nil && overrides.OverrideFeynman != nil {
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config.FeynmanTime = overrides.OverrideFeynman
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}
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}
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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 := rawdb.ReadCanonicalHash(db, 0)
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if (stored == common.Hash{}) {
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if genesis == nil {
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log.Info("Writing default BSC mainnet genesis block")
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genesis = DefaultBSCGenesisBlock()
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} else {
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log.Info("Writing custom genesis block")
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}
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block, err := genesis.Commit(db, triedb)
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if err != nil {
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return genesis.Config, common.Hash{}, err
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}
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applyOverrides(genesis.Config)
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log.Info("genesis block hash", "hash", block.Hash())
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return genesis.Config, block.Hash(), nil
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}
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// The genesis block is present(perhaps in ancient database) while the
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// state database is not initialized yet. It can happen that the node
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// is initialized with an external ancient store. Commit genesis state
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// in this case.
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header := rawdb.ReadHeader(db, stored, 0)
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if header.Root != types.EmptyRootHash && !triedb.Initialized(header.Root) {
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if genesis == nil {
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genesis = DefaultBSCGenesisBlock()
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}
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// Ensure the stored genesis matches with the given one.
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hash := genesis.ToBlock().Hash()
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if hash != stored {
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return genesis.Config, hash, &GenesisMismatchError{stored, hash}
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}
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block, err := genesis.Commit(db, triedb)
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if err != nil {
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return genesis.Config, hash, err
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}
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applyOverrides(genesis.Config)
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return genesis.Config, block.Hash(), 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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hash := genesis.ToBlock().Hash()
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if hash != stored {
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return genesis.Config, hash, &GenesisMismatchError{stored, hash}
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}
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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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applyOverrides(newcfg)
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if err := newcfg.CheckConfigForkOrder(); err != nil {
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return newcfg, common.Hash{}, err
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}
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storedcfg := rawdb.ReadChainConfig(db, stored)
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if storedcfg == nil {
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log.Warn("Found genesis block without chain config")
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rawdb.WriteChainConfig(db, stored, newcfg)
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return newcfg, stored, nil
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}
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storedData, _ := json.Marshal(storedcfg)
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// Special case: if a private network is being used (no genesis and also no
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// mainnet hash in the database), we must not apply the `configOrDefault`
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// chain config as that would be AllProtocolChanges (applying any new fork
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// on top of an existing private network genesis block). In that case, only
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// apply the overrides.
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if genesis == nil && stored != params.MainnetGenesisHash &&
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stored != params.ChapelGenesisHash && stored != params.RialtoGenesisHash && stored != params.BSCGenesisHash {
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newcfg = storedcfg
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applyOverrides(newcfg)
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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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head := rawdb.ReadHeadHeader(db)
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if head == nil {
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return newcfg, stored, errors.New("missing head header")
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}
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compatErr := storedcfg.CheckCompatible(newcfg, head.Number.Uint64(), head.Time)
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if compatErr != nil && ((head.Number.Uint64() != 0 && compatErr.RewindToBlock != 0) || (head.Time != 0 && compatErr.RewindToTime != 0)) {
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return newcfg, stored, compatErr
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}
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// Don't overwrite if the old is identical to the new
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if newData, _ := json.Marshal(newcfg); !bytes.Equal(storedData, newData) {
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rawdb.WriteChainConfig(db, stored, newcfg)
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}
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return newcfg, stored, nil
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}
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// LoadChainConfig retrieves the predefined chain configuration for the built-in network.
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// For non-built-in networks, it first attempts to load the stored chain configuration from the database.
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// If the configuration is not present, it returns the configuration specified in the provided genesis specification.
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func LoadChainConfig(db ethdb.Database, genesis *Genesis) (*params.ChainConfig, common.Hash, error) {
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// Load the stored chain config from the database. It can be nil
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// in case the database is empty. Notably, we only care about the
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// chain config corresponds to the canonical chain.
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stored := rawdb.ReadCanonicalHash(db, 0)
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if stored != (common.Hash{}) {
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builtInConf := params.GetBuiltInChainConfig(stored)
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if builtInConf != nil {
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return builtInConf, stored, nil
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}
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storedcfg := rawdb.ReadChainConfig(db, stored)
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if storedcfg != nil {
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return storedcfg, stored, nil
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}
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}
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// Load the config from the provided genesis specification
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if genesis != nil {
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// Reject invalid genesis spec without valid chain config
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if genesis.Config == nil {
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return nil, common.Hash{}, errGenesisNoConfig
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}
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// If the canonical genesis header is present, but the chain
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// config is missing(initialize the empty leveldb with an
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// external ancient chain segment), ensure the provided genesis
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// is matched.
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if stored != (common.Hash{}) && genesis.ToBlock().Hash() != stored {
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return nil, common.Hash{}, &GenesisMismatchError{stored, genesis.ToBlock().Hash()}
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}
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return genesis.Config, stored, nil
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}
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// There is no stored chain config and no new config provided,
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// In this case the default chain config(mainnet) will be used
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return params.BSCChainConfig, params.BSCGenesisHash, nil
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}
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func (g *Genesis) configOrDefault(ghash common.Hash) *params.ChainConfig {
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conf := params.GetBuiltInChainConfig(ghash)
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if conf != nil {
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return conf
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}
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if g != nil {
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return g.Config // it could be a custom config for QA test, just return
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}
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return params.AllEthashProtocolChanges
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}
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// ToBlock returns the genesis block according to genesis specification.
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func (g *Genesis) ToBlock() *types.Block {
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root, err := g.Alloc.hash()
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if err != nil {
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panic(err)
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}
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head := &types.Header{
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Number: new(big.Int).SetUint64(g.Number),
|
|
Nonce: types.EncodeNonce(g.Nonce),
|
|
Time: g.Timestamp,
|
|
ParentHash: g.ParentHash,
|
|
Extra: g.ExtraData,
|
|
GasLimit: g.GasLimit,
|
|
GasUsed: g.GasUsed,
|
|
BaseFee: g.BaseFee,
|
|
Difficulty: g.Difficulty,
|
|
MixDigest: g.Mixhash,
|
|
Coinbase: g.Coinbase,
|
|
Root: root,
|
|
}
|
|
if g.GasLimit == 0 {
|
|
head.GasLimit = params.GenesisGasLimit
|
|
}
|
|
if g.Difficulty == nil && g.Mixhash == (common.Hash{}) {
|
|
head.Difficulty = params.GenesisDifficulty
|
|
}
|
|
if g.Config != nil && g.Config.IsLondon(common.Big0) {
|
|
if g.BaseFee != nil {
|
|
head.BaseFee = g.BaseFee
|
|
} else {
|
|
head.BaseFee = new(big.Int).SetUint64(params.InitialBaseFee)
|
|
}
|
|
}
|
|
var withdrawals []*types.Withdrawal
|
|
if conf := g.Config; conf != nil {
|
|
num := big.NewInt(int64(g.Number))
|
|
if conf.Parlia == nil && conf.IsShanghai(num, g.Timestamp) {
|
|
head.WithdrawalsHash = &types.EmptyWithdrawalsHash
|
|
withdrawals = make([]*types.Withdrawal, 0)
|
|
}
|
|
if conf.IsCancun(num, g.Timestamp) {
|
|
head.ExcessBlobGas = g.ExcessBlobGas
|
|
head.BlobGasUsed = g.BlobGasUsed
|
|
if head.ExcessBlobGas == nil {
|
|
head.ExcessBlobGas = new(uint64)
|
|
}
|
|
if head.BlobGasUsed == nil {
|
|
head.BlobGasUsed = new(uint64)
|
|
}
|
|
}
|
|
}
|
|
return types.NewBlock(head, nil, nil, nil, trie.NewStackTrie(nil)).WithWithdrawals(withdrawals)
|
|
}
|
|
|
|
// Commit writes the block and state of a genesis specification to the database.
|
|
// The block is committed as the canonical head block.
|
|
func (g *Genesis) Commit(db ethdb.Database, triedb *trie.Database) (*types.Block, error) {
|
|
block := g.ToBlock()
|
|
if block.Number().Sign() != 0 {
|
|
return nil, errors.New("can't commit genesis block with number > 0")
|
|
}
|
|
config := g.Config
|
|
if config == nil {
|
|
config = params.AllEthashProtocolChanges
|
|
}
|
|
if err := config.CheckConfigForkOrder(); err != nil {
|
|
return nil, err
|
|
}
|
|
if config.Clique != nil && len(block.Extra()) < 32+crypto.SignatureLength {
|
|
return nil, errors.New("can't start clique chain without signers")
|
|
}
|
|
// All the checks has passed, flush the states derived from the genesis
|
|
// specification as well as the specification itself into the provided
|
|
// database.
|
|
if err := g.Alloc.flush(db, triedb, block.Hash()); err != nil {
|
|
return nil, err
|
|
}
|
|
rawdb.WriteTd(db, block.Hash(), block.NumberU64(), block.Difficulty())
|
|
rawdb.WriteBlock(db, block)
|
|
rawdb.WriteReceipts(db, block.Hash(), block.NumberU64(), nil)
|
|
rawdb.WriteCanonicalHash(db, block.Hash(), block.NumberU64())
|
|
rawdb.WriteHeadBlockHash(db, block.Hash())
|
|
rawdb.WriteHeadFastBlockHash(db, block.Hash())
|
|
rawdb.WriteHeadHeaderHash(db, block.Hash())
|
|
rawdb.WriteChainConfig(db, block.Hash(), config)
|
|
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.Database, triedb *trie.Database) *types.Block {
|
|
block, err := g.Commit(db, triedb)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
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: decodePrealloc(mainnetAllocData),
|
|
}
|
|
}
|
|
|
|
// DefaultBSCGenesisBlock returns the BSC mainnet genesis block.
|
|
func DefaultBSCGenesisBlock() *Genesis {
|
|
alloc := decodePrealloc(bscMainnetAllocData)
|
|
return &Genesis{
|
|
Config: params.BSCChainConfig,
|
|
Nonce: 0,
|
|
ExtraData: hexutil.MustDecode("0x00000000000000000000000000000000000000000000000000000000000000002a7cdd959bfe8d9487b2a43b33565295a698f7e26488aa4d1955ee33403f8ccb1d4de5fb97c7ade29ef9f4360c606c7ab4db26b016007d3ad0ab86a0ee01c3b1283aa067c58eab4709f85e99d46de5fe685b1ded8013785d6623cc18d214320b6bb6475978f3adfc719c99674c072166708589033e2d9afec2be4ec20253b8642161bc3f444f53679c1f3d472f7be8361c80a4c1e7e9aaf001d0877f1cfde218ce2fd7544e0b2cc94692d4a704debef7bcb61328b8f7166496996a7da21cf1f1b04d9b3e26a3d0772d4c407bbe49438ed859fe965b140dcf1aab71a96bbad7cf34b5fa511d8e963dbba288b1960e75d64430b3230294d12c6ab2aac5c2cd68e80b16b581ea0a6e3c511bbd10f4519ece37dc24887e11b55d7ae2f5b9e386cd1b50a4550696d957cb4900f03a82012708dafc9e1b880fd083b32182b869be8e0922b81f8e175ffde54d797fe11eb03f9e3bf75f1d68bf0b8b6fb4e317a0f9d6f03eaf8ce6675bc60d8c4d90829ce8f72d0163c1d5cf348a862d55063035e7a025f4da968de7e4d7e4004197917f4070f1d6caa02bbebaebb5d7e581e4b66559e635f805ff0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
|
|
GasLimit: 40000000,
|
|
Difficulty: big.NewInt(1),
|
|
Mixhash: common.Hash(hexutil.MustDecode("0x0000000000000000000000000000000000000000000000000000000000000000")),
|
|
Coinbase: common.HexToAddress("0xffffFFFfFFffffffffffffffFfFFFfffFFFfFFfE"),
|
|
Timestamp: 0x5e9da7ce,
|
|
Alloc: alloc,
|
|
}
|
|
}
|
|
|
|
// DefaultChapelGenesisBlock returns the BSC mainnet genesis block.
|
|
func DefaultChapelGenesisBlock() *Genesis {
|
|
alloc := decodePrealloc(bscChapelAllocData)
|
|
return &Genesis{
|
|
Config: params.ChapelChainConfig,
|
|
Nonce: 0,
|
|
ExtraData: hexutil.MustDecode("0x00000000000000000000000000000000000000000000000000000000000000001284214b9b9c85549ab3d2b972df0deef66ac2c9b71b214cb885500844365e95cd9942c7276e7fd8a2959d3f95eae5dc7d70144ce1b73b403b7eb6e0980a75ecd1309ea12fa2ed87a8744fbfc9b863d535552c16704d214347f29fa77f77da6d75d7c752f474cf03cceff28abc65c9cbae594f725c80e12d0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
|
|
GasLimit: 40000000,
|
|
Difficulty: big.NewInt(1),
|
|
Mixhash: common.Hash(hexutil.MustDecode("0x0000000000000000000000000000000000000000000000000000000000000000")),
|
|
Coinbase: common.HexToAddress("0xffffFFFfFFffffffffffffffFfFFFfffFFFfFFfE"),
|
|
Timestamp: 0x5e9da7ce,
|
|
Alloc: alloc,
|
|
}
|
|
}
|
|
|
|
// DeveloperGenesisBlock returns the 'geth --dev' genesis block.
|
|
func DeveloperGenesisBlock(gasLimit uint64, faucet common.Address) *Genesis {
|
|
// Override the default period to the user requested one
|
|
config := *params.AllDevChainProtocolChanges
|
|
|
|
// Assemble and return the genesis with the precompiles and faucet pre-funded
|
|
return &Genesis{
|
|
Config: &config,
|
|
GasLimit: gasLimit,
|
|
BaseFee: big.NewInt(params.InitialBaseFee),
|
|
Difficulty: big.NewInt(0),
|
|
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 decodePrealloc(data string) GenesisAlloc {
|
|
var p []struct {
|
|
Addr *big.Int
|
|
Balance *big.Int
|
|
Misc *struct {
|
|
Nonce uint64
|
|
Code []byte
|
|
Slots []struct {
|
|
Key common.Hash
|
|
Val common.Hash
|
|
}
|
|
} `rlp:"optional"`
|
|
}
|
|
if err := rlp.NewStream(strings.NewReader(data), 0).Decode(&p); err != nil {
|
|
panic(err)
|
|
}
|
|
ga := make(GenesisAlloc, len(p))
|
|
for _, account := range p {
|
|
acc := GenesisAccount{Balance: account.Balance}
|
|
if account.Misc != nil {
|
|
acc.Nonce = account.Misc.Nonce
|
|
acc.Code = account.Misc.Code
|
|
|
|
acc.Storage = make(map[common.Hash]common.Hash)
|
|
for _, slot := range account.Misc.Slots {
|
|
acc.Storage[slot.Key] = slot.Val
|
|
}
|
|
}
|
|
ga[common.BigToAddress(account.Addr)] = acc
|
|
}
|
|
return ga
|
|
}
|