190 lines
4.9 KiB
Go
190 lines
4.9 KiB
Go
package vm
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// import (
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// "bytes"
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// "fmt"
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// "io/ioutil"
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// "log"
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// "math/big"
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// "os"
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// "testing"
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// "github.com/ethereum/go-ethereum/crypto"
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// "github.com/ethereum/go-ethereum/ethutil"
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// "github.com/ethereum/go-ethereum/logger"
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// "github.com/ethereum/go-ethereum/state"
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// "github.com/ethereum/go-ethereum/trie"
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// // "github.com/obscuren/mutan"
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// )
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// type TestEnv struct{}
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// func (TestEnv) Origin() []byte { return nil }
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// func (TestEnv) BlockNumber() *big.Int { return nil }
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// func (TestEnv) BlockHash() []byte { return nil }
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// func (TestEnv) PrevHash() []byte { return nil }
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// func (TestEnv) Coinbase() []byte { return nil }
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// func (TestEnv) Time() int64 { return 0 }
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// func (TestEnv) GasLimit() *big.Int { return nil }
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// func (TestEnv) Difficulty() *big.Int { return nil }
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// func (TestEnv) Value() *big.Int { return nil }
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// func (TestEnv) AddLog(state.Log) {}
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// func (TestEnv) Transfer(from, to Account, amount *big.Int) error {
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// return nil
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// }
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// // This is likely to fail if anything ever gets looked up in the state trie :-)
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// func (TestEnv) State() *state.State {
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// return state.New(trie.New(nil, ""))
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// }
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// const mutcode = `
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// var x = 0;
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// for i := 0; i < 10; i++ {
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// x = i
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// }
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// return x`
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// func setup(level logger.LogLevel, typ Type) (*Closure, VirtualMachine) {
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// code, err := ethutil.Compile(mutcode, true)
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// if err != nil {
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// log.Fatal(err)
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// }
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// // Pipe output to /dev/null
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// logger.AddLogSystem(logger.NewStdLogSystem(ioutil.Discard, log.LstdFlags, level))
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// ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "")
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// stateObject := state.NewStateObject([]byte{'j', 'e', 'f', 'f'})
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// callerClosure := NewClosure(nil, stateObject, stateObject, code, big.NewInt(1000000), big.NewInt(0))
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// return callerClosure, New(TestEnv{}, typ)
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// }
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// var big9 = ethutil.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000009")
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// func TestDebugVm(t *testing.T) {
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// // if mutan.Version < "0.6" {
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// // t.Skip("skipping for mutan version", mutan.Version, " < 0.6")
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// // }
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// closure, vm := setup(logger.DebugLevel, DebugVmTy)
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// ret, _, e := closure.Call(vm, nil)
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// if e != nil {
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// t.Fatalf("Call returned error: %v", e)
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// }
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// if !bytes.Equal(ret, big9) {
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// t.Errorf("Wrong return value '%x', want '%x'", ret, big9)
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// }
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// }
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// func TestVm(t *testing.T) {
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// // if mutan.Version < "0.6" {
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// // t.Skip("skipping for mutan version", mutan.Version, " < 0.6")
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// // }
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// closure, vm := setup(logger.DebugLevel, StandardVmTy)
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// ret, _, e := closure.Call(vm, nil)
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// if e != nil {
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// t.Fatalf("Call returned error: %v", e)
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// }
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// if !bytes.Equal(ret, big9) {
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// t.Errorf("Wrong return value '%x', want '%x'", ret, big9)
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// }
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// }
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// func BenchmarkDebugVm(b *testing.B) {
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// closure, vm := setup(logger.InfoLevel, DebugVmTy)
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// b.ResetTimer()
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// for i := 0; i < b.N; i++ {
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// closure.Call(vm, nil)
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// }
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// }
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// func BenchmarkVm(b *testing.B) {
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// closure, vm := setup(logger.InfoLevel, StandardVmTy)
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// b.ResetTimer()
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// for i := 0; i < b.N; i++ {
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// closure.Call(vm, nil)
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// }
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// }
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// func RunCode(mutCode string, typ Type) []byte {
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// code, err := ethutil.Compile(mutCode, true)
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// if err != nil {
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// log.Fatal(err)
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// }
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// logger.AddLogSystem(logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.InfoLevel))
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// ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "")
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// stateObject := state.NewStateObject([]byte{'j', 'e', 'f', 'f'})
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// closure := NewClosure(nil, stateObject, stateObject, code, big.NewInt(1000000), big.NewInt(0))
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// vm := New(TestEnv{}, typ)
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// ret, _, e := closure.Call(vm, nil)
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// if e != nil {
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// fmt.Println(e)
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// }
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// return ret
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// }
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// func TestBuildInSha256(t *testing.T) {
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// ret := RunCode(`
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// var in = 42
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// var out = 0
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// call(0x2, 0, 10000, in, out)
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// return out
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// `, DebugVmTy)
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// exp := crypto.Sha256(ethutil.LeftPadBytes([]byte{42}, 32))
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// if bytes.Compare(ret, exp) != 0 {
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// t.Errorf("Expected %x, got %x", exp, ret)
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// }
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// }
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// func TestBuildInRipemd(t *testing.T) {
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// ret := RunCode(`
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// var in = 42
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// var out = 0
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// call(0x3, 0, 10000, in, out)
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// return out
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// `, DebugVmTy)
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// exp := ethutil.RightPadBytes(crypto.Ripemd160(ethutil.LeftPadBytes([]byte{42}, 32)), 32)
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// if bytes.Compare(ret, exp) != 0 {
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// t.Errorf("Expected %x, got %x", exp, ret)
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// }
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// }
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// func TestOog(t *testing.T) {
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// // This tests takes a long time and will eventually run out of gas
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// // t.Skip()
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// logger.AddLogSystem(logger.NewStdLogSystem(os.Stdout, log.LstdFlags, logger.InfoLevel))
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// ethutil.ReadConfig(".ethtest", "/tmp/ethtest", "")
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// stateObject := state.NewStateObject([]byte{'j', 'e', 'f', 'f'})
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// closure := NewClosure(nil, stateObject, stateObject, ethutil.Hex2Bytes("60ff60ff600057"), big.NewInt(1000000), big.NewInt(0))
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// vm := New(TestEnv{}, DebugVmTy)
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// _, _, e := closure.Call(vm, nil)
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// if e != nil {
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// fmt.Println(e)
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// }
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// }
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