9e5f03b6c4
With this commit, core/state's access to the underlying key/value database is mediated through an interface. Database errors are tracked in StateDB and returned by CommitTo or the new Error method. Motivation for this change: We can remove the light client's duplicated copy of core/state. The light client now supports node iteration, so tracing and storage enumeration can work with the light client (not implemented in this commit).
152 lines
6.2 KiB
Go
152 lines
6.2 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 runtime
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import (
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"math/big"
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"strings"
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"testing"
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"github.com/ethereum/go-ethereum/accounts/abi"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/state"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/ethdb"
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)
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func TestDefaults(t *testing.T) {
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cfg := new(Config)
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setDefaults(cfg)
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if cfg.Difficulty == nil {
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t.Error("expected difficulty to be non nil")
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}
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if cfg.Time == nil {
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t.Error("expected time to be non nil")
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}
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if cfg.GasLimit == 0 {
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t.Error("didn't expect gaslimit to be zero")
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}
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if cfg.GasPrice == nil {
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t.Error("expected time to be non nil")
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}
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if cfg.Value == nil {
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t.Error("expected time to be non nil")
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}
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if cfg.GetHashFn == nil {
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t.Error("expected time to be non nil")
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}
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if cfg.BlockNumber == nil {
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t.Error("expected block number to be non nil")
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}
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}
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func TestEVM(t *testing.T) {
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defer func() {
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if r := recover(); r != nil {
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t.Fatalf("crashed with: %v", r)
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}
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}()
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Execute([]byte{
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byte(vm.DIFFICULTY),
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byte(vm.TIMESTAMP),
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byte(vm.GASLIMIT),
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byte(vm.PUSH1),
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byte(vm.ORIGIN),
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byte(vm.BLOCKHASH),
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byte(vm.COINBASE),
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}, nil, nil)
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}
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func TestExecute(t *testing.T) {
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ret, _, err := Execute([]byte{
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byte(vm.PUSH1), 10,
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byte(vm.PUSH1), 0,
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byte(vm.MSTORE),
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byte(vm.PUSH1), 32,
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byte(vm.PUSH1), 0,
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byte(vm.RETURN),
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}, nil, nil)
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if err != nil {
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t.Fatal("didn't expect error", err)
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}
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num := new(big.Int).SetBytes(ret)
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if num.Cmp(big.NewInt(10)) != 0 {
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t.Error("Expected 10, got", num)
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}
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}
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func TestCall(t *testing.T) {
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db, _ := ethdb.NewMemDatabase()
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state, _ := state.New(common.Hash{}, state.NewDatabase(db))
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address := common.HexToAddress("0x0a")
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state.SetCode(address, []byte{
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byte(vm.PUSH1), 10,
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byte(vm.PUSH1), 0,
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byte(vm.MSTORE),
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byte(vm.PUSH1), 32,
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byte(vm.PUSH1), 0,
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byte(vm.RETURN),
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})
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ret, _, err := Call(address, nil, &Config{State: state})
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if err != nil {
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t.Fatal("didn't expect error", err)
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}
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num := new(big.Int).SetBytes(ret)
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if num.Cmp(big.NewInt(10)) != 0 {
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t.Error("Expected 10, got", num)
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}
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}
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func BenchmarkCall(b *testing.B) {
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var definition = `[{"constant":true,"inputs":[],"name":"seller","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[],"name":"abort","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"value","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":false,"inputs":[],"name":"refund","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"buyer","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[],"name":"confirmReceived","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"state","outputs":[{"name":"","type":"uint8"}],"type":"function"},{"constant":false,"inputs":[],"name":"confirmPurchase","outputs":[],"type":"function"},{"inputs":[],"type":"constructor"},{"anonymous":false,"inputs":[],"name":"Aborted","type":"event"},{"anonymous":false,"inputs":[],"name":"PurchaseConfirmed","type":"event"},{"anonymous":false,"inputs":[],"name":"ItemReceived","type":"event"},{"anonymous":false,"inputs":[],"name":"Refunded","type":"event"}]`
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var code = common.Hex2Bytes("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")
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abi, err := abi.JSON(strings.NewReader(definition))
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if err != nil {
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b.Fatal(err)
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}
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cpurchase, err := abi.Pack("confirmPurchase")
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if err != nil {
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b.Fatal(err)
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}
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creceived, err := abi.Pack("confirmReceived")
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if err != nil {
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b.Fatal(err)
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}
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refund, err := abi.Pack("refund")
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if err != nil {
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b.Fatal(err)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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for j := 0; j < 400; j++ {
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Execute(code, cpurchase, nil)
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Execute(code, creceived, nil)
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Execute(code, refund, nil)
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}
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}
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}
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