134 lines
4.4 KiB
Go
134 lines
4.4 KiB
Go
// Copyright 2015 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 tests
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import (
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"bytes"
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"errors"
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"fmt"
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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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"github.com/ethereum/go-ethereum/common/math"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rlp"
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)
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// TransactionTest checks RLP decoding and sender derivation of transactions.
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type TransactionTest struct {
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json ttJSON
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}
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type ttJSON struct {
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BlockNumber math.HexOrDecimal64 `json:"blockNumber"`
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RLP hexutil.Bytes `json:"rlp"`
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Sender hexutil.Bytes `json:"sender"`
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Transaction *ttTransaction `json:"transaction"`
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}
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//go:generate gencodec -type ttTransaction -field-override ttTransactionMarshaling -out gen_tttransaction.go
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type ttTransaction struct {
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Data []byte `gencodec:"required"`
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GasLimit uint64 `gencodec:"required"`
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GasPrice *big.Int `gencodec:"required"`
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Nonce uint64 `gencodec:"required"`
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Value *big.Int `gencodec:"required"`
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R *big.Int `gencodec:"required"`
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S *big.Int `gencodec:"required"`
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V *big.Int `gencodec:"required"`
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To common.Address `gencodec:"required"`
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}
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type ttTransactionMarshaling struct {
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Data hexutil.Bytes
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GasLimit math.HexOrDecimal64
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GasPrice *math.HexOrDecimal256
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Nonce math.HexOrDecimal64
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Value *math.HexOrDecimal256
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R *math.HexOrDecimal256
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S *math.HexOrDecimal256
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V *math.HexOrDecimal256
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}
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func (tt *TransactionTest) Run(config *params.ChainConfig) error {
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tx := new(types.Transaction)
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if err := rlp.DecodeBytes(tt.json.RLP, tx); err != nil {
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if tt.json.Transaction == nil {
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return nil
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} else {
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return fmt.Errorf("RLP decoding failed: %v", err)
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}
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}
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// Check sender derivation.
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signer := types.MakeSigner(config, new(big.Int).SetUint64(uint64(tt.json.BlockNumber)))
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sender, err := types.Sender(signer, tx)
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if err != nil {
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return err
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}
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if sender != common.BytesToAddress(tt.json.Sender) {
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return fmt.Errorf("Sender mismatch: got %x, want %x", sender, tt.json.Sender)
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}
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// Check decoded fields.
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err = tt.json.Transaction.verify(signer, tx)
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if tt.json.Sender == nil && err == nil {
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return errors.New("field validations succeeded but should fail")
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}
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if tt.json.Sender != nil && err != nil {
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return fmt.Errorf("field validations failed after RLP decoding: %s", err)
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}
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return nil
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}
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func (tt *ttTransaction) verify(signer types.Signer, tx *types.Transaction) error {
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if !bytes.Equal(tx.Data(), tt.Data) {
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return fmt.Errorf("Tx input data mismatch: got %x want %x", tx.Data(), tt.Data)
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}
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if tx.Gas() != tt.GasLimit {
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return fmt.Errorf("GasLimit mismatch: got %d, want %d", tx.Gas(), tt.GasLimit)
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}
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if tx.GasPrice().Cmp(tt.GasPrice) != 0 {
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return fmt.Errorf("GasPrice mismatch: got %v, want %v", tx.GasPrice(), tt.GasPrice)
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}
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if tx.Nonce() != tt.Nonce {
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return fmt.Errorf("Nonce mismatch: got %v, want %v", tx.Nonce(), tt.Nonce)
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}
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v, r, s := tx.RawSignatureValues()
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if r.Cmp(tt.R) != 0 {
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return fmt.Errorf("R mismatch: got %v, want %v", r, tt.R)
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}
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if s.Cmp(tt.S) != 0 {
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return fmt.Errorf("S mismatch: got %v, want %v", s, tt.S)
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}
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if v.Cmp(tt.V) != 0 {
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return fmt.Errorf("V mismatch: got %v, want %v", v, tt.V)
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}
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if tx.To() == nil {
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if tt.To != (common.Address{}) {
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return fmt.Errorf("To mismatch when recipient is nil (contract creation): %x", tt.To)
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}
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} else if *tx.To() != tt.To {
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return fmt.Errorf("To mismatch: got %x, want %x", *tx.To(), tt.To)
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}
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if tx.Value().Cmp(tt.Value) != 0 {
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return fmt.Errorf("Value mismatch: got %x, want %x", tx.Value(), tt.Value)
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}
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return nil
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}
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