133 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			133 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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| 
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| package tests
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| //go:generate gencodec -type ttTransaction -field-override ttTransactionMarshaling -out gen_tttransaction.go
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| 
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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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| 
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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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| 
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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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| 		}
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| 		return fmt.Errorf("RLP decoding failed: %v", err)
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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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| 
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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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