package vm
import (
"fmt"
"math/big"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/params"
)
func TestByteOp(t *testing.T) {
var (
env = NewEVM(Context{}, nil, params.TestChainConfig, Config{EnableJit: false, ForceJit: false})
stack = newstack()
)
tests := []struct {
v string
th uint64
expected *big.Int
}{
{"ABCDEF0908070605040302010000000000000000000000000000000000000000", 0, big.NewInt(0xAB)},
{"ABCDEF0908070605040302010000000000000000000000000000000000000000", 1, big.NewInt(0xCD)},
{"00CDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff", 0, big.NewInt(0x00)},
{"00CDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff", 1, big.NewInt(0xCD)},
{"0000000000000000000000000000000000000000000000000000000000102030", 31, big.NewInt(0x30)},
{"0000000000000000000000000000000000000000000000000000000000102030", 30, big.NewInt(0x20)},
{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 32, big.NewInt(0x0)},
{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 0xFFFFFFFFFFFFFFFF, big.NewInt(0x0)},
}
pc := uint64(0)
for _, test := range tests {
val := new(big.Int).SetBytes(common.Hex2Bytes(test.v))
th := new(big.Int).SetUint64(test.th)
stack.push(val)
stack.push(th)
opByte(&pc, env, nil, nil, stack)
actual := stack.pop()
if actual.Cmp(test.expected) != 0 {
t.Fatalf("Expected [%v] %v:th byte to be %v, was %v.", test.v, test.th, test.expected, actual)
}
}
}
func opBenchmark(bench *testing.B, op func(pc *uint64, evm *EVM, contract *Contract, memory *Memory, stack *Stack) ([]byte, error), args ...string) {
var (
env = NewEVM(Context{}, nil, params.TestChainConfig, Config{EnableJit: false, ForceJit: false})
stack = newstack()
)
// convert args
byteArgs := make([][]byte, len(args))
for i, arg := range args {
byteArgs[i] = common.Hex2Bytes(arg)
}
pc := uint64(0)
bench.ResetTimer()
for i := 0; i < bench.N; i++ {
for _, arg := range byteArgs {
a := new(big.Int).SetBytes(arg)
stack.push(a)
}
op(&pc, env, nil, nil, stack)
stack.pop()
}
}
func precompiledBenchmark(addr, input, expected string, gas uint64, bench *testing.B) {
contract := NewContract(AccountRef(common.HexToAddress("1337")),
nil, new(big.Int), gas)
p := PrecompiledContracts[common.HexToAddress(addr)]
in := common.Hex2Bytes(input)
var (
res []byte
err error
)
data := make([]byte, len(in))
bench.ResetTimer()
for i := 0; i < bench.N; i++ {
contract.Gas = gas
copy(data, in)
res, err = RunPrecompiledContract(p, data, contract)
}
bench.StopTimer()
//Check if it is correct
if err != nil {
bench.Error(err)
return
}
if common.Bytes2Hex(res) != expected {
bench.Error(fmt.Sprintf("Expected %v, got %v", expected, common.Bytes2Hex(res)))
return
}
}
func BenchmarkPrecompiledEcdsa(bench *testing.B) {
var (
addr = "01"
inp = "38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e000000000000000000000000000000000000000000000000000000000000001b38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e789d1dd423d25f0772d2748d60f7e4b81bb14d086eba8e8e8efb6dcff8a4ae02"
exp = "000000000000000000000000ceaccac640adf55b2028469bd36ba501f28b699d"
gas = uint64(4000000)
)
precompiledBenchmark(addr, inp, exp, gas, bench)
}
func BenchmarkPrecompiledSha256(bench *testing.B) {
var (
addr = "02"
inp = "38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e000000000000000000000000000000000000000000000000000000000000001b38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e789d1dd423d25f0772d2748d60f7e4b81bb14d086eba8e8e8efb6dcff8a4ae02"
exp = "811c7003375852fabd0d362e40e68607a12bdabae61a7d068fe5fdd1dbbf2a5d"
gas = uint64(4000000)
)
precompiledBenchmark(addr, inp, exp, gas, bench)
}
func BenchmarkPrecompiledRipeMD(bench *testing.B) {
var (
addr = "03"
inp = "38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e000000000000000000000000000000000000000000000000000000000000001b38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e789d1dd423d25f0772d2748d60f7e4b81bb14d086eba8e8e8efb6dcff8a4ae02"
exp = "0000000000000000000000009215b8d9882ff46f0dfde6684d78e831467f65e6"
gas = uint64(4000000)
)
precompiledBenchmark(addr, inp, exp, gas, bench)
}
func BenchmarkPrecompiledIdentity(bench *testing.B) {
var (
addr = "04"
inp = "38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e000000000000000000000000000000000000000000000000000000000000001b38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e789d1dd423d25f0772d2748d60f7e4b81bb14d086eba8e8e8efb6dcff8a4ae02"
exp = "38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e000000000000000000000000000000000000000000000000000000000000001b38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e789d1dd423d25f0772d2748d60f7e4b81bb14d086eba8e8e8efb6dcff8a4ae02"
gas = uint64(4000000)
)
precompiledBenchmark(addr, inp, exp, gas, bench)
}
func BenchmarkOpAdd(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opAdd, x, y)
}
func BenchmarkOpSub(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opSub, x, y)
}
func BenchmarkOpMul(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opMul, x, y)
}
func BenchmarkOpDiv(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opDiv, x, y)
}
func BenchmarkOpSdiv(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opSdiv, x, y)
}
func BenchmarkOpMod(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opMod, x, y)
}
func BenchmarkOpSmod(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opSmod, x, y)
}
func BenchmarkOpExp(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opExp, x, y)
}
func BenchmarkOpSignExtend(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opSignExtend, x, y)
}
func BenchmarkOpLt(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opLt, x, y)
}
func BenchmarkOpGt(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opGt, x, y)
}
func BenchmarkOpSlt(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opSlt, x, y)
}
func BenchmarkOpSgt(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opSgt, x, y)
}
func BenchmarkOpEq(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opEq, x, y)
}
func BenchmarkOpAnd(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opAnd, x, y)
}
func BenchmarkOpOr(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opOr, x, y)
}
func BenchmarkOpXor(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opXor, x, y)
}
func BenchmarkOpByte(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opByte, x, y)
}
func BenchmarkOpAddmod(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
z := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opAddmod, x, y, z)
}
func BenchmarkOpMulmod(b *testing.B) {
x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
z := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
opBenchmark(b, opMulmod, x, y, z)
}
//func BenchmarkOpSha3(b *testing.B) {
// x := "0"
// y := "32"
//
// opBenchmark(b,opSha3, x, y)
//
//
//}
