c4a662176e
* core, eth: for types with accurate size calcs, return uint64, not float * core/types: proper tx size tests * core/types: extend tx size test with decoded sizes, fix error * core/txpool: fix linter Co-authored-by: Martin Holst Swende <martin@swende.se>
276 lines
8.3 KiB
Go
276 lines
8.3 KiB
Go
// Copyright 2021 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 types
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import (
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"encoding/json"
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"errors"
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"math/big"
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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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)
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// txJSON is the JSON representation of transactions.
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type txJSON struct {
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Type hexutil.Uint64 `json:"type"`
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// Common transaction fields:
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Nonce *hexutil.Uint64 `json:"nonce"`
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GasPrice *hexutil.Big `json:"gasPrice"`
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MaxPriorityFeePerGas *hexutil.Big `json:"maxPriorityFeePerGas"`
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MaxFeePerGas *hexutil.Big `json:"maxFeePerGas"`
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Gas *hexutil.Uint64 `json:"gas"`
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Value *hexutil.Big `json:"value"`
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Data *hexutil.Bytes `json:"input"`
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V *hexutil.Big `json:"v"`
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R *hexutil.Big `json:"r"`
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S *hexutil.Big `json:"s"`
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To *common.Address `json:"to"`
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// Access list transaction fields:
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ChainID *hexutil.Big `json:"chainId,omitempty"`
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AccessList *AccessList `json:"accessList,omitempty"`
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// Only used for encoding:
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Hash common.Hash `json:"hash"`
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}
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// MarshalJSON marshals as JSON with a hash.
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func (tx *Transaction) MarshalJSON() ([]byte, error) {
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var enc txJSON
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// These are set for all tx types.
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enc.Hash = tx.Hash()
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enc.Type = hexutil.Uint64(tx.Type())
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// Other fields are set conditionally depending on tx type.
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switch itx := tx.inner.(type) {
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case *LegacyTx:
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enc.Nonce = (*hexutil.Uint64)(&itx.Nonce)
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enc.Gas = (*hexutil.Uint64)(&itx.Gas)
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enc.GasPrice = (*hexutil.Big)(itx.GasPrice)
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enc.Value = (*hexutil.Big)(itx.Value)
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enc.Data = (*hexutil.Bytes)(&itx.Data)
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enc.To = tx.To()
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enc.V = (*hexutil.Big)(itx.V)
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enc.R = (*hexutil.Big)(itx.R)
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enc.S = (*hexutil.Big)(itx.S)
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case *AccessListTx:
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enc.ChainID = (*hexutil.Big)(itx.ChainID)
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enc.AccessList = &itx.AccessList
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enc.Nonce = (*hexutil.Uint64)(&itx.Nonce)
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enc.Gas = (*hexutil.Uint64)(&itx.Gas)
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enc.GasPrice = (*hexutil.Big)(itx.GasPrice)
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enc.Value = (*hexutil.Big)(itx.Value)
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enc.Data = (*hexutil.Bytes)(&itx.Data)
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enc.To = tx.To()
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enc.V = (*hexutil.Big)(itx.V)
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enc.R = (*hexutil.Big)(itx.R)
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enc.S = (*hexutil.Big)(itx.S)
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case *DynamicFeeTx:
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enc.ChainID = (*hexutil.Big)(itx.ChainID)
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enc.AccessList = &itx.AccessList
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enc.Nonce = (*hexutil.Uint64)(&itx.Nonce)
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enc.Gas = (*hexutil.Uint64)(&itx.Gas)
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enc.MaxFeePerGas = (*hexutil.Big)(itx.GasFeeCap)
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enc.MaxPriorityFeePerGas = (*hexutil.Big)(itx.GasTipCap)
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enc.Value = (*hexutil.Big)(itx.Value)
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enc.Data = (*hexutil.Bytes)(&itx.Data)
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enc.To = tx.To()
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enc.V = (*hexutil.Big)(itx.V)
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enc.R = (*hexutil.Big)(itx.R)
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enc.S = (*hexutil.Big)(itx.S)
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}
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return json.Marshal(&enc)
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}
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// UnmarshalJSON unmarshals from JSON.
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func (tx *Transaction) UnmarshalJSON(input []byte) error {
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var dec txJSON
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if err := json.Unmarshal(input, &dec); err != nil {
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return err
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}
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// Decode / verify fields according to transaction type.
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var inner TxData
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switch dec.Type {
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case LegacyTxType:
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var itx LegacyTx
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inner = &itx
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if dec.To != nil {
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itx.To = dec.To
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}
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if dec.Nonce == nil {
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return errors.New("missing required field 'nonce' in transaction")
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}
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itx.Nonce = uint64(*dec.Nonce)
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if dec.GasPrice == nil {
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return errors.New("missing required field 'gasPrice' in transaction")
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}
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itx.GasPrice = (*big.Int)(dec.GasPrice)
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if dec.Gas == nil {
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return errors.New("missing required field 'gas' in transaction")
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}
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itx.Gas = uint64(*dec.Gas)
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if dec.Value == nil {
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return errors.New("missing required field 'value' in transaction")
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}
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itx.Value = (*big.Int)(dec.Value)
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if dec.Data == nil {
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return errors.New("missing required field 'input' in transaction")
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}
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itx.Data = *dec.Data
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if dec.V == nil {
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return errors.New("missing required field 'v' in transaction")
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}
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itx.V = (*big.Int)(dec.V)
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if dec.R == nil {
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return errors.New("missing required field 'r' in transaction")
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}
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itx.R = (*big.Int)(dec.R)
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if dec.S == nil {
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return errors.New("missing required field 's' in transaction")
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}
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itx.S = (*big.Int)(dec.S)
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withSignature := itx.V.Sign() != 0 || itx.R.Sign() != 0 || itx.S.Sign() != 0
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if withSignature {
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if err := sanityCheckSignature(itx.V, itx.R, itx.S, true); err != nil {
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return err
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}
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}
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case AccessListTxType:
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var itx AccessListTx
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inner = &itx
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// Access list is optional for now.
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if dec.AccessList != nil {
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itx.AccessList = *dec.AccessList
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}
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if dec.ChainID == nil {
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return errors.New("missing required field 'chainId' in transaction")
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}
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itx.ChainID = (*big.Int)(dec.ChainID)
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if dec.To != nil {
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itx.To = dec.To
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}
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if dec.Nonce == nil {
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return errors.New("missing required field 'nonce' in transaction")
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}
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itx.Nonce = uint64(*dec.Nonce)
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if dec.GasPrice == nil {
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return errors.New("missing required field 'gasPrice' in transaction")
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}
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itx.GasPrice = (*big.Int)(dec.GasPrice)
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if dec.Gas == nil {
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return errors.New("missing required field 'gas' in transaction")
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}
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itx.Gas = uint64(*dec.Gas)
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if dec.Value == nil {
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return errors.New("missing required field 'value' in transaction")
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}
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itx.Value = (*big.Int)(dec.Value)
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if dec.Data == nil {
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return errors.New("missing required field 'input' in transaction")
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}
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itx.Data = *dec.Data
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if dec.V == nil {
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return errors.New("missing required field 'v' in transaction")
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}
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itx.V = (*big.Int)(dec.V)
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if dec.R == nil {
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return errors.New("missing required field 'r' in transaction")
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}
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itx.R = (*big.Int)(dec.R)
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if dec.S == nil {
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return errors.New("missing required field 's' in transaction")
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}
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itx.S = (*big.Int)(dec.S)
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withSignature := itx.V.Sign() != 0 || itx.R.Sign() != 0 || itx.S.Sign() != 0
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if withSignature {
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if err := sanityCheckSignature(itx.V, itx.R, itx.S, false); err != nil {
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return err
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}
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}
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case DynamicFeeTxType:
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var itx DynamicFeeTx
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inner = &itx
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// Access list is optional for now.
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if dec.AccessList != nil {
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itx.AccessList = *dec.AccessList
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}
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if dec.ChainID == nil {
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return errors.New("missing required field 'chainId' in transaction")
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}
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itx.ChainID = (*big.Int)(dec.ChainID)
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if dec.To != nil {
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itx.To = dec.To
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}
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if dec.Nonce == nil {
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return errors.New("missing required field 'nonce' in transaction")
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}
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itx.Nonce = uint64(*dec.Nonce)
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if dec.MaxPriorityFeePerGas == nil {
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return errors.New("missing required field 'maxPriorityFeePerGas' for txdata")
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}
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itx.GasTipCap = (*big.Int)(dec.MaxPriorityFeePerGas)
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if dec.MaxFeePerGas == nil {
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return errors.New("missing required field 'maxFeePerGas' for txdata")
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}
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itx.GasFeeCap = (*big.Int)(dec.MaxFeePerGas)
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if dec.Gas == nil {
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return errors.New("missing required field 'gas' for txdata")
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}
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itx.Gas = uint64(*dec.Gas)
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if dec.Value == nil {
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return errors.New("missing required field 'value' in transaction")
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}
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itx.Value = (*big.Int)(dec.Value)
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if dec.Data == nil {
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return errors.New("missing required field 'input' in transaction")
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}
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itx.Data = *dec.Data
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if dec.V == nil {
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return errors.New("missing required field 'v' in transaction")
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}
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itx.V = (*big.Int)(dec.V)
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if dec.R == nil {
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return errors.New("missing required field 'r' in transaction")
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}
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itx.R = (*big.Int)(dec.R)
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if dec.S == nil {
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return errors.New("missing required field 's' in transaction")
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}
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itx.S = (*big.Int)(dec.S)
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withSignature := itx.V.Sign() != 0 || itx.R.Sign() != 0 || itx.S.Sign() != 0
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if withSignature {
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if err := sanityCheckSignature(itx.V, itx.R, itx.S, false); err != nil {
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return err
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}
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}
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default:
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return ErrTxTypeNotSupported
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}
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// Now set the inner transaction.
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tx.setDecoded(inner, 0)
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// TODO: check hash here?
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return nil
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}
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