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// Copyright 2015 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package tests
import (
"fmt"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
)
// TransactionTest checks RLP decoding and sender derivation of transactions.
type TransactionTest struct {
RLP hexutil.Bytes `json:"rlp"`
Byzantium ttFork
Constantinople ttFork
EIP150 ttFork
EIP158 ttFork
Frontier ttFork
Homestead ttFork
}
type ttFork struct {
Sender common.UnprefixedAddress `json:"sender"`
Hash common.UnprefixedHash `json:"hash"`
}
func (tt *TransactionTest) Run(config *params.ChainConfig) error {
validateTx := func(rlpData hexutil.Bytes, signer types.Signer, isHomestead bool) (*common.Address, *common.Hash, error) {
tx := new(types.Transaction)
if err := rlp.DecodeBytes(rlpData, tx); err != nil {
return nil, nil, err
}
sender, err := types.Sender(signer, tx)
if err != nil {
return nil, nil, err
}
// Intrinsic gas
requiredGas, err := core.IntrinsicGas(tx.Data(), tx.To() == nil, isHomestead)
if err != nil {
return nil, nil, err
}
if requiredGas > tx.Gas() {
return nil, nil, fmt.Errorf("insufficient gas ( %d < %d )", tx.Gas(), requiredGas)
}
h := tx.Hash()
return &sender, &h, nil
}
for _, testcase := range []struct {
name string
signer types.Signer
fork ttFork
isHomestead bool
}{
{"Frontier", types.FrontierSigner{}, tt.Frontier, false},
{"Homestead", types.HomesteadSigner{}, tt.Homestead, true},
{"EIP150", types.HomesteadSigner{}, tt.EIP150, true},
{"EIP158", types.NewEIP155Signer(config.ChainID), tt.EIP158, true},
{"Byzantium", types.NewEIP155Signer(config.ChainID), tt.Byzantium, true},
{"Constantinople", types.NewEIP155Signer(config.ChainID), tt.Constantinople, true},
} {
sender, txhash, err := validateTx(tt.RLP, testcase.signer, testcase.isHomestead)
if testcase.fork.Sender == (common.UnprefixedAddress{}) {
if err == nil {
return fmt.Errorf("Expected error, got none (address %v)", sender.String())
}
continue
}
// Should resolve the right address
if err != nil {
return fmt.Errorf("Got error, expected none: %v", err)
}
if sender == nil {
return fmt.Errorf("sender was nil, should be %x", common.Address(testcase.fork.Sender))
}
if *sender != common.Address(testcase.fork.Sender) {
return fmt.Errorf("Sender mismatch: got %x, want %x", sender, testcase.fork.Sender)
}
if txhash == nil {
return fmt.Errorf("txhash was nil, should be %x", common.Hash(testcase.fork.Hash))
}
if *txhash != common.Hash(testcase.fork.Hash) {
return fmt.Errorf("Hash mismatch: got %x, want %x", *txhash, testcase.fork.Hash)
}
}
return nil
}
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