95 lines
2.4 KiB
Go
95 lines
2.4 KiB
Go
package ethvm
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import (
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"bytes"
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"testing"
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"github.com/ethereum/eth-go/ethstate"
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"github.com/ethereum/eth-go/ethutil"
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"github.com/ethereum/eth-go/tests/helper"
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)
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type Account struct {
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Balance string
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Code string
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Nonce string
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Storage map[string]string
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}
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func StateObjectFromAccount(addr string, account Account) *ethstate.StateObject {
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obj := ethstate.NewStateObject(ethutil.Hex2Bytes(addr))
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obj.Balance = ethutil.Big(account.Balance)
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if ethutil.IsHex(account.Code) {
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account.Code = account.Code[2:]
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}
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obj.Code = ethutil.Hex2Bytes(account.Code)
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obj.Nonce = ethutil.Big(account.Nonce).Uint64()
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return obj
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}
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type VmTest struct {
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Callcreates interface{}
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Env map[string]string
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Exec map[string]string
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Gas string
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Out string
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Post map[string]Account
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Pre map[string]Account
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}
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func RunVmTest(url string, t *testing.T) {
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tests := make(map[string]VmTest)
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helper.CreateTests(t, url, &tests)
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for name, test := range tests {
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state := ethstate.New(helper.NewTrie())
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for addr, account := range test.Pre {
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obj := StateObjectFromAccount(addr, account)
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state.SetStateObject(obj)
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}
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ret, gas, err := helper.RunVm(state, test.Env, test.Exec)
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if err != nil {
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t.Errorf("%s's execution failed. %v\n", name, err)
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}
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rexp := helper.FromHex(test.Out)
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if bytes.Compare(rexp, ret) != 0 {
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t.Errorf("%s's return failed. Expected %x, got %x\n", name, rexp, ret)
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}
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gexp := ethutil.Big(test.Gas)
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if gexp.Cmp(gas) != 0 {
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t.Errorf("%s's gas failed. Expected %v, got %v\n", name, gexp, gas)
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}
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for addr, account := range test.Post {
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obj := state.GetStateObject(helper.FromHex(addr))
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for addr, value := range account.Storage {
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v := obj.GetStorage(ethutil.BigD(helper.FromHex(addr))).Bytes()
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vexp := helper.FromHex(value)
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if bytes.Compare(v, vexp) != 0 {
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t.Errorf("%s's : %s storage failed. Expected %x, get %x\n", name, addr, vexp, v)
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}
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}
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}
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}
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}
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// I've created a new function for each tests so it's easier to identify where the problem lies if any of them fail.
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func TestVMSha3(t *testing.T) {
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helper.Logger.SetLogLevel(0)
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defer helper.Logger.SetLogLevel(4)
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const url = "https://raw.githubusercontent.com/ethereum/tests/master/vmtests/vmSha3Test.json"
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RunVmTest(url, t)
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}
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func TestVMArithmetic(t *testing.T) {
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const url = "https://raw.githubusercontent.com/ethereum/tests/master/vmtests/vmArithmeticTest.json"
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RunVmTest(url, t)
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}
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