forked from cerc-io/plugeth
339 lines
11 KiB
Go
339 lines
11 KiB
Go
// Copyright 2021 The go-ethereum Authors
|
|
// This file is part of go-ethereum.
|
|
//
|
|
// go-ethereum is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// go-ethereum is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package t8ntool
|
|
|
|
import (
|
|
"crypto/ecdsa"
|
|
"encoding/json"
|
|
"errors"
|
|
"fmt"
|
|
"math/big"
|
|
"os"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/common/hexutil"
|
|
"github.com/ethereum/go-ethereum/common/math"
|
|
"github.com/ethereum/go-ethereum/consensus/clique"
|
|
"github.com/ethereum/go-ethereum/core/types"
|
|
"github.com/ethereum/go-ethereum/crypto"
|
|
"github.com/ethereum/go-ethereum/log"
|
|
"github.com/ethereum/go-ethereum/rlp"
|
|
"github.com/urfave/cli/v2"
|
|
)
|
|
|
|
//go:generate go run github.com/fjl/gencodec -type header -field-override headerMarshaling -out gen_header.go
|
|
type header struct {
|
|
ParentHash common.Hash `json:"parentHash"`
|
|
OmmerHash *common.Hash `json:"sha3Uncles"`
|
|
Coinbase *common.Address `json:"miner"`
|
|
Root common.Hash `json:"stateRoot" gencodec:"required"`
|
|
TxHash *common.Hash `json:"transactionsRoot"`
|
|
ReceiptHash *common.Hash `json:"receiptsRoot"`
|
|
Bloom types.Bloom `json:"logsBloom"`
|
|
Difficulty *big.Int `json:"difficulty"`
|
|
Number *big.Int `json:"number" gencodec:"required"`
|
|
GasLimit uint64 `json:"gasLimit" gencodec:"required"`
|
|
GasUsed uint64 `json:"gasUsed"`
|
|
Time uint64 `json:"timestamp" gencodec:"required"`
|
|
Extra []byte `json:"extraData"`
|
|
MixDigest common.Hash `json:"mixHash"`
|
|
Nonce *types.BlockNonce `json:"nonce"`
|
|
BaseFee *big.Int `json:"baseFeePerGas" rlp:"optional"`
|
|
WithdrawalsHash *common.Hash `json:"withdrawalsRoot" rlp:"optional"`
|
|
}
|
|
|
|
type headerMarshaling struct {
|
|
Difficulty *math.HexOrDecimal256
|
|
Number *math.HexOrDecimal256
|
|
GasLimit math.HexOrDecimal64
|
|
GasUsed math.HexOrDecimal64
|
|
Time math.HexOrDecimal64
|
|
Extra hexutil.Bytes
|
|
BaseFee *math.HexOrDecimal256
|
|
}
|
|
|
|
type bbInput struct {
|
|
Header *header `json:"header,omitempty"`
|
|
OmmersRlp []string `json:"ommers,omitempty"`
|
|
TxRlp string `json:"txs,omitempty"`
|
|
Withdrawals []*types.Withdrawal `json:"withdrawals,omitempty"`
|
|
Clique *cliqueInput `json:"clique,omitempty"`
|
|
|
|
Ethash bool `json:"-"`
|
|
Txs []*types.Transaction `json:"-"`
|
|
Ommers []*types.Header `json:"-"`
|
|
}
|
|
|
|
type cliqueInput struct {
|
|
Key *ecdsa.PrivateKey
|
|
Voted *common.Address
|
|
Authorize *bool
|
|
Vanity common.Hash
|
|
}
|
|
|
|
// UnmarshalJSON implements json.Unmarshaler interface.
|
|
func (c *cliqueInput) UnmarshalJSON(input []byte) error {
|
|
var x struct {
|
|
Key *common.Hash `json:"secretKey"`
|
|
Voted *common.Address `json:"voted"`
|
|
Authorize *bool `json:"authorize"`
|
|
Vanity common.Hash `json:"vanity"`
|
|
}
|
|
if err := json.Unmarshal(input, &x); err != nil {
|
|
return err
|
|
}
|
|
if x.Key == nil {
|
|
return errors.New("missing required field 'secretKey' for cliqueInput")
|
|
}
|
|
if ecdsaKey, err := crypto.ToECDSA(x.Key[:]); err != nil {
|
|
return err
|
|
} else {
|
|
c.Key = ecdsaKey
|
|
}
|
|
c.Voted = x.Voted
|
|
c.Authorize = x.Authorize
|
|
c.Vanity = x.Vanity
|
|
return nil
|
|
}
|
|
|
|
// ToBlock converts i into a *types.Block
|
|
func (i *bbInput) ToBlock() *types.Block {
|
|
header := &types.Header{
|
|
ParentHash: i.Header.ParentHash,
|
|
UncleHash: types.EmptyUncleHash,
|
|
Coinbase: common.Address{},
|
|
Root: i.Header.Root,
|
|
TxHash: types.EmptyTxsHash,
|
|
ReceiptHash: types.EmptyReceiptsHash,
|
|
Bloom: i.Header.Bloom,
|
|
Difficulty: common.Big0,
|
|
Number: i.Header.Number,
|
|
GasLimit: i.Header.GasLimit,
|
|
GasUsed: i.Header.GasUsed,
|
|
Time: i.Header.Time,
|
|
Extra: i.Header.Extra,
|
|
MixDigest: i.Header.MixDigest,
|
|
BaseFee: i.Header.BaseFee,
|
|
WithdrawalsHash: i.Header.WithdrawalsHash,
|
|
}
|
|
|
|
// Fill optional values.
|
|
if i.Header.OmmerHash != nil {
|
|
header.UncleHash = *i.Header.OmmerHash
|
|
} else if len(i.Ommers) != 0 {
|
|
// Calculate the ommer hash if none is provided and there are ommers to hash
|
|
header.UncleHash = types.CalcUncleHash(i.Ommers)
|
|
}
|
|
if i.Header.Coinbase != nil {
|
|
header.Coinbase = *i.Header.Coinbase
|
|
}
|
|
if i.Header.TxHash != nil {
|
|
header.TxHash = *i.Header.TxHash
|
|
}
|
|
if i.Header.ReceiptHash != nil {
|
|
header.ReceiptHash = *i.Header.ReceiptHash
|
|
}
|
|
if i.Header.Nonce != nil {
|
|
header.Nonce = *i.Header.Nonce
|
|
}
|
|
if header.Difficulty != nil {
|
|
header.Difficulty = i.Header.Difficulty
|
|
}
|
|
return types.NewBlockWithHeader(header).WithBody(i.Txs, i.Ommers).WithWithdrawals(i.Withdrawals)
|
|
}
|
|
|
|
// SealBlock seals the given block using the configured engine.
|
|
func (i *bbInput) SealBlock(block *types.Block) (*types.Block, error) {
|
|
switch {
|
|
case i.Clique != nil:
|
|
return i.sealClique(block)
|
|
default:
|
|
return block, nil
|
|
}
|
|
}
|
|
|
|
// sealClique seals the given block using clique.
|
|
func (i *bbInput) sealClique(block *types.Block) (*types.Block, error) {
|
|
// If any clique value overwrites an explicit header value, fail
|
|
// to avoid silently building a block with unexpected values.
|
|
if i.Header.Extra != nil {
|
|
return nil, NewError(ErrorConfig, errors.New("sealing with clique will overwrite provided extra data"))
|
|
}
|
|
header := block.Header()
|
|
if i.Clique.Voted != nil {
|
|
if i.Header.Coinbase != nil {
|
|
return nil, NewError(ErrorConfig, errors.New("sealing with clique and voting will overwrite provided coinbase"))
|
|
}
|
|
header.Coinbase = *i.Clique.Voted
|
|
}
|
|
if i.Clique.Authorize != nil {
|
|
if i.Header.Nonce != nil {
|
|
return nil, NewError(ErrorConfig, errors.New("sealing with clique and voting will overwrite provided nonce"))
|
|
}
|
|
if *i.Clique.Authorize {
|
|
header.Nonce = [8]byte{}
|
|
} else {
|
|
header.Nonce = [8]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}
|
|
}
|
|
}
|
|
// Extra is fixed 32 byte vanity and 65 byte signature
|
|
header.Extra = make([]byte, 32+65)
|
|
copy(header.Extra[0:32], i.Clique.Vanity.Bytes()[:])
|
|
|
|
// Sign the seal hash and fill in the rest of the extra data
|
|
h := clique.SealHash(header)
|
|
sighash, err := crypto.Sign(h[:], i.Clique.Key)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
copy(header.Extra[32:], sighash)
|
|
block = block.WithSeal(header)
|
|
return block, nil
|
|
}
|
|
|
|
// BuildBlock constructs a block from the given inputs.
|
|
func BuildBlock(ctx *cli.Context) error {
|
|
// Configure the go-ethereum logger
|
|
glogger := log.NewGlogHandler(log.StreamHandler(os.Stderr, log.TerminalFormat(false)))
|
|
glogger.Verbosity(log.Lvl(ctx.Int(VerbosityFlag.Name)))
|
|
log.Root().SetHandler(glogger)
|
|
|
|
baseDir, err := createBasedir(ctx)
|
|
if err != nil {
|
|
return NewError(ErrorIO, fmt.Errorf("failed creating output basedir: %v", err))
|
|
}
|
|
inputData, err := readInput(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
block := inputData.ToBlock()
|
|
block, err = inputData.SealBlock(block)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
return dispatchBlock(ctx, baseDir, block)
|
|
}
|
|
|
|
func readInput(ctx *cli.Context) (*bbInput, error) {
|
|
var (
|
|
headerStr = ctx.String(InputHeaderFlag.Name)
|
|
ommersStr = ctx.String(InputOmmersFlag.Name)
|
|
withdrawalsStr = ctx.String(InputWithdrawalsFlag.Name)
|
|
txsStr = ctx.String(InputTxsRlpFlag.Name)
|
|
cliqueStr = ctx.String(SealCliqueFlag.Name)
|
|
inputData = &bbInput{}
|
|
)
|
|
if headerStr == stdinSelector || ommersStr == stdinSelector || txsStr == stdinSelector || cliqueStr == stdinSelector {
|
|
decoder := json.NewDecoder(os.Stdin)
|
|
if err := decoder.Decode(inputData); err != nil {
|
|
return nil, NewError(ErrorJson, fmt.Errorf("failed unmarshaling stdin: %v", err))
|
|
}
|
|
}
|
|
if cliqueStr != stdinSelector && cliqueStr != "" {
|
|
var clique cliqueInput
|
|
if err := readFile(cliqueStr, "clique", &clique); err != nil {
|
|
return nil, err
|
|
}
|
|
inputData.Clique = &clique
|
|
}
|
|
if headerStr != stdinSelector {
|
|
var env header
|
|
if err := readFile(headerStr, "header", &env); err != nil {
|
|
return nil, err
|
|
}
|
|
inputData.Header = &env
|
|
}
|
|
if ommersStr != stdinSelector && ommersStr != "" {
|
|
var ommers []string
|
|
if err := readFile(ommersStr, "ommers", &ommers); err != nil {
|
|
return nil, err
|
|
}
|
|
inputData.OmmersRlp = ommers
|
|
}
|
|
if withdrawalsStr != stdinSelector && withdrawalsStr != "" {
|
|
var withdrawals []*types.Withdrawal
|
|
if err := readFile(withdrawalsStr, "withdrawals", &withdrawals); err != nil {
|
|
return nil, err
|
|
}
|
|
inputData.Withdrawals = withdrawals
|
|
}
|
|
if txsStr != stdinSelector {
|
|
var txs string
|
|
if err := readFile(txsStr, "txs", &txs); err != nil {
|
|
return nil, err
|
|
}
|
|
inputData.TxRlp = txs
|
|
}
|
|
// Deserialize rlp txs and ommers
|
|
var (
|
|
ommers = []*types.Header{}
|
|
txs = []*types.Transaction{}
|
|
)
|
|
if inputData.TxRlp != "" {
|
|
if err := rlp.DecodeBytes(common.FromHex(inputData.TxRlp), &txs); err != nil {
|
|
return nil, NewError(ErrorRlp, fmt.Errorf("unable to decode transaction from rlp data: %v", err))
|
|
}
|
|
inputData.Txs = txs
|
|
}
|
|
for _, str := range inputData.OmmersRlp {
|
|
type extblock struct {
|
|
Header *types.Header
|
|
Txs []*types.Transaction
|
|
Ommers []*types.Header
|
|
}
|
|
var ommer *extblock
|
|
if err := rlp.DecodeBytes(common.FromHex(str), &ommer); err != nil {
|
|
return nil, NewError(ErrorRlp, fmt.Errorf("unable to decode ommer from rlp data: %v", err))
|
|
}
|
|
ommers = append(ommers, ommer.Header)
|
|
}
|
|
inputData.Ommers = ommers
|
|
|
|
return inputData, nil
|
|
}
|
|
|
|
// dispatchBlock writes the output data to either stderr or stdout, or to the specified
|
|
// files
|
|
func dispatchBlock(ctx *cli.Context, baseDir string, block *types.Block) error {
|
|
raw, _ := rlp.EncodeToBytes(block)
|
|
type blockInfo struct {
|
|
Rlp hexutil.Bytes `json:"rlp"`
|
|
Hash common.Hash `json:"hash"`
|
|
}
|
|
enc := blockInfo{
|
|
Rlp: raw,
|
|
Hash: block.Hash(),
|
|
}
|
|
b, err := json.MarshalIndent(enc, "", " ")
|
|
if err != nil {
|
|
return NewError(ErrorJson, fmt.Errorf("failed marshalling output: %v", err))
|
|
}
|
|
switch dest := ctx.String(OutputBlockFlag.Name); dest {
|
|
case "stdout":
|
|
os.Stdout.Write(b)
|
|
os.Stdout.WriteString("\n")
|
|
case "stderr":
|
|
os.Stderr.Write(b)
|
|
os.Stderr.WriteString("\n")
|
|
default:
|
|
if err := saveFile(baseDir, dest, enc); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
}
|