112 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			112 lines
		
	
	
		
			3.8 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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	"fmt"
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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/core"
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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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	RLP            hexutil.Bytes `json:"rlp"`
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	Byzantium      ttFork
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	Constantinople ttFork
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	Istanbul       ttFork
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	EIP150         ttFork
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	EIP158         ttFork
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	Frontier       ttFork
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	Homestead      ttFork
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}
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type ttFork struct {
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	Sender common.UnprefixedAddress `json:"sender"`
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	Hash   common.UnprefixedHash    `json:"hash"`
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}
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func (tt *TransactionTest) Run(config *params.ChainConfig) error {
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	validateTx := func(rlpData hexutil.Bytes, signer types.Signer, isHomestead bool, isIstanbul bool) (*common.Address, *common.Hash, error) {
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		tx := new(types.Transaction)
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		if err := rlp.DecodeBytes(rlpData, tx); err != nil {
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			return nil, nil, err
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		}
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		sender, err := types.Sender(signer, tx)
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		if err != nil {
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			return nil, nil, err
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		}
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		// Intrinsic gas
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		requiredGas, err := core.IntrinsicGas(tx.Data(), tx.To() == nil, isHomestead, isIstanbul)
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		if err != nil {
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			return nil, nil, err
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		}
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		if requiredGas > tx.Gas() {
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			return nil, nil, fmt.Errorf("insufficient gas ( %d < %d )", tx.Gas(), requiredGas)
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		}
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		h := tx.Hash()
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		return &sender, &h, nil
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	}
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	for _, testcase := range []struct {
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		name        string
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		signer      types.Signer
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		fork        ttFork
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		isHomestead bool
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		isIstanbul  bool
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	}{
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		{"Frontier", types.FrontierSigner{}, tt.Frontier, false, false},
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		{"Homestead", types.HomesteadSigner{}, tt.Homestead, true, false},
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		{"EIP150", types.HomesteadSigner{}, tt.EIP150, true, false},
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		{"EIP158", types.NewEIP155Signer(config.ChainID), tt.EIP158, true, false},
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		{"Byzantium", types.NewEIP155Signer(config.ChainID), tt.Byzantium, true, false},
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		{"Constantinople", types.NewEIP155Signer(config.ChainID), tt.Constantinople, true, false},
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		{"Istanbul", types.NewEIP155Signer(config.ChainID), tt.Istanbul, true, true},
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	} {
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		sender, txhash, err := validateTx(tt.RLP, testcase.signer, testcase.isHomestead, testcase.isIstanbul)
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		if testcase.fork.Sender == (common.UnprefixedAddress{}) {
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			if err == nil {
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				return fmt.Errorf("Expected error, got none (address %v)[%v]", sender.String(), testcase.name)
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			}
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			continue
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		}
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		// Should resolve the right address
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		if err != nil {
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			return fmt.Errorf("Got error, expected none: %v", err)
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		}
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		if sender == nil {
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			return fmt.Errorf("sender was nil, should be %x", common.Address(testcase.fork.Sender))
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		}
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		if *sender != common.Address(testcase.fork.Sender) {
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			return fmt.Errorf("Sender mismatch: got %x, want %x", sender, testcase.fork.Sender)
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		}
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		if txhash == nil {
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			return fmt.Errorf("txhash was nil, should be %x", common.Hash(testcase.fork.Hash))
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		}
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		if *txhash != common.Hash(testcase.fork.Hash) {
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			return fmt.Errorf("Hash mismatch: got %x, want %x", *txhash, testcase.fork.Hash)
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		}
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	}
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	return nil
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}
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