// 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 runtime
import (
"math/big"
"strings"
"testing"
"github.com/ethereum/go-ethereum/accounts/abi"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/state"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/ethdb"
)
func TestDefaults(t *testing.T) {
cfg := new(Config)
setDefaults(cfg)
if cfg.Difficulty == nil {
t.Error("expected difficulty to be non nil")
}
if cfg.Time == nil {
t.Error("expected time to be non nil")
}
if cfg.GasLimit == nil {
t.Error("expected time to be non nil")
}
if cfg.GasPrice == nil {
t.Error("expected time to be non nil")
}
if cfg.Value == nil {
t.Error("expected time to be non nil")
}
if cfg.GetHashFn == nil {
t.Error("expected time to be non nil")
}
if cfg.BlockNumber == nil {
t.Error("expected block number to be non nil")
}
}
func TestEVM(t *testing.T) {
defer func() {
if r := recover(); r != nil {
t.Fatalf("crashed with: %v", r)
}
}()
Execute([]byte{
byte(vm.DIFFICULTY),
byte(vm.TIMESTAMP),
byte(vm.GASLIMIT),
byte(vm.PUSH1),
byte(vm.ORIGIN),
byte(vm.BLOCKHASH),
byte(vm.COINBASE),
}, nil, nil)
}
func TestExecute(t *testing.T) {
ret, _, err := Execute([]byte{
byte(vm.PUSH1), 10,
byte(vm.PUSH1), 0,
byte(vm.MSTORE),
byte(vm.PUSH1), 32,
byte(vm.PUSH1), 0,
byte(vm.RETURN),
}, nil, nil)
if err != nil {
t.Fatal("didn't expect error", err)
}
num := common.BytesToBig(ret)
if num.Cmp(big.NewInt(10)) != 0 {
t.Error("Expected 10, got", num)
}
}
func TestCall(t *testing.T) {
db, _ := ethdb.NewMemDatabase()
state, _ := state.New(common.Hash{}, db)
address := common.HexToAddress("0x0a")
state.SetCode(address, []byte{
byte(vm.PUSH1), 10,
byte(vm.PUSH1), 0,
byte(vm.MSTORE),
byte(vm.PUSH1), 32,
byte(vm.PUSH1), 0,
byte(vm.RETURN),
})
ret, err := Call(address, nil, &Config{State: state})
if err != nil {
t.Fatal("didn't expect error", err)
}
num := common.BytesToBig(ret)
if num.Cmp(big.NewInt(10)) != 0 {
t.Error("Expected 10, got", num)
}
}
func BenchmarkCall(b *testing.B) {
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"}]`
var code = common.Hex2Bytes("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")
abi, err := abi.JSON(strings.NewReader(definition))
if err != nil {
b.Fatal(err)
}
cpurchase, err := abi.Pack("confirmPurchase")
if err != nil {
b.Fatal(err)
}
creceived, err := abi.Pack("confirmReceived")
if err != nil {
b.Fatal(err)
}
refund, err := abi.Pack("refund")
if err != nil {
b.Fatal(err)
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
for j := 0; j < 400; j++ {
Execute(code, cpurchase, nil)
Execute(code, creceived, nil)
Execute(code, refund, nil)
}
}
}
