569 lines
26 KiB
Go
569 lines
26 KiB
Go
// Copyright 2017 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 vm
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import (
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"bytes"
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"math/big"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/params"
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)
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type twoOperandTest struct {
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x string
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y string
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expected string
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}
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func testTwoOperandOp(t *testing.T, tests []twoOperandTest, opFn func(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error)) {
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var (
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env = NewEVM(Context{}, nil, params.TestChainConfig, Config{})
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stack = newstack()
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pc = uint64(0)
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evmInterpreter = NewEVMInterpreter(env, env.vmConfig)
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)
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env.interpreter = evmInterpreter
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evmInterpreter.intPool = poolOfIntPools.get()
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for i, test := range tests {
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x := new(big.Int).SetBytes(common.Hex2Bytes(test.x))
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shift := new(big.Int).SetBytes(common.Hex2Bytes(test.y))
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expected := new(big.Int).SetBytes(common.Hex2Bytes(test.expected))
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stack.push(x)
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stack.push(shift)
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opFn(&pc, evmInterpreter, nil, nil, stack)
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actual := stack.pop()
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if actual.Cmp(expected) != 0 {
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t.Errorf("Testcase %d, expected %v, got %v", i, expected, actual)
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}
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// Check pool usage
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// 1.pool is not allowed to contain anything on the stack
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// 2.pool is not allowed to contain the same pointers twice
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if evmInterpreter.intPool.pool.len() > 0 {
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poolvals := make(map[*big.Int]struct{})
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poolvals[actual] = struct{}{}
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for evmInterpreter.intPool.pool.len() > 0 {
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key := evmInterpreter.intPool.get()
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if _, exist := poolvals[key]; exist {
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t.Errorf("Testcase %d, pool contains double-entry", i)
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}
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poolvals[key] = struct{}{}
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}
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}
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}
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poolOfIntPools.put(evmInterpreter.intPool)
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}
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func TestByteOp(t *testing.T) {
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var (
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env = NewEVM(Context{}, nil, params.TestChainConfig, Config{})
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stack = newstack()
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evmInterpreter = NewEVMInterpreter(env, env.vmConfig)
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)
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env.interpreter = evmInterpreter
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evmInterpreter.intPool = poolOfIntPools.get()
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tests := []struct {
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v string
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th uint64
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expected *big.Int
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}{
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{"ABCDEF0908070605040302010000000000000000000000000000000000000000", 0, big.NewInt(0xAB)},
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{"ABCDEF0908070605040302010000000000000000000000000000000000000000", 1, big.NewInt(0xCD)},
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{"00CDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff", 0, big.NewInt(0x00)},
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{"00CDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff", 1, big.NewInt(0xCD)},
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{"0000000000000000000000000000000000000000000000000000000000102030", 31, big.NewInt(0x30)},
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{"0000000000000000000000000000000000000000000000000000000000102030", 30, big.NewInt(0x20)},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 32, big.NewInt(0x0)},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 0xFFFFFFFFFFFFFFFF, big.NewInt(0x0)},
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}
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pc := uint64(0)
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for _, test := range tests {
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val := new(big.Int).SetBytes(common.Hex2Bytes(test.v))
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th := new(big.Int).SetUint64(test.th)
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stack.push(val)
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stack.push(th)
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opByte(&pc, evmInterpreter, nil, nil, stack)
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actual := stack.pop()
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if actual.Cmp(test.expected) != 0 {
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t.Fatalf("Expected [%v] %v:th byte to be %v, was %v.", test.v, test.th, test.expected, actual)
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}
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}
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poolOfIntPools.put(evmInterpreter.intPool)
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}
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func TestSHL(t *testing.T) {
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// Testcases from https://github.com/ethereum/EIPs/blob/master/EIPS/eip-145.md#shl-shift-left
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tests := []twoOperandTest{
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{"0000000000000000000000000000000000000000000000000000000000000001", "00", "0000000000000000000000000000000000000000000000000000000000000001"},
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{"0000000000000000000000000000000000000000000000000000000000000001", "01", "0000000000000000000000000000000000000000000000000000000000000002"},
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{"0000000000000000000000000000000000000000000000000000000000000001", "ff", "8000000000000000000000000000000000000000000000000000000000000000"},
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{"0000000000000000000000000000000000000000000000000000000000000001", "0100", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"0000000000000000000000000000000000000000000000000000000000000001", "0101", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "00", "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "01", "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "ff", "8000000000000000000000000000000000000000000000000000000000000000"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0100", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"0000000000000000000000000000000000000000000000000000000000000000", "01", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "01", "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe"},
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}
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testTwoOperandOp(t, tests, opSHL)
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}
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func TestSHR(t *testing.T) {
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// Testcases from https://github.com/ethereum/EIPs/blob/master/EIPS/eip-145.md#shr-logical-shift-right
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tests := []twoOperandTest{
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{"0000000000000000000000000000000000000000000000000000000000000001", "00", "0000000000000000000000000000000000000000000000000000000000000001"},
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{"0000000000000000000000000000000000000000000000000000000000000001", "01", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"8000000000000000000000000000000000000000000000000000000000000000", "01", "4000000000000000000000000000000000000000000000000000000000000000"},
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{"8000000000000000000000000000000000000000000000000000000000000000", "ff", "0000000000000000000000000000000000000000000000000000000000000001"},
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{"8000000000000000000000000000000000000000000000000000000000000000", "0100", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"8000000000000000000000000000000000000000000000000000000000000000", "0101", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "00", "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "01", "7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "ff", "0000000000000000000000000000000000000000000000000000000000000001"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0100", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"0000000000000000000000000000000000000000000000000000000000000000", "01", "0000000000000000000000000000000000000000000000000000000000000000"},
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}
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testTwoOperandOp(t, tests, opSHR)
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}
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func TestSAR(t *testing.T) {
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// Testcases from https://github.com/ethereum/EIPs/blob/master/EIPS/eip-145.md#sar-arithmetic-shift-right
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tests := []twoOperandTest{
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{"0000000000000000000000000000000000000000000000000000000000000001", "00", "0000000000000000000000000000000000000000000000000000000000000001"},
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{"0000000000000000000000000000000000000000000000000000000000000001", "01", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"8000000000000000000000000000000000000000000000000000000000000000", "01", "c000000000000000000000000000000000000000000000000000000000000000"},
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{"8000000000000000000000000000000000000000000000000000000000000000", "ff", "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"},
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{"8000000000000000000000000000000000000000000000000000000000000000", "0100", "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"},
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{"8000000000000000000000000000000000000000000000000000000000000000", "0101", "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "00", "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "01", "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "ff", "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0100", "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"},
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{"0000000000000000000000000000000000000000000000000000000000000000", "01", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"4000000000000000000000000000000000000000000000000000000000000000", "fe", "0000000000000000000000000000000000000000000000000000000000000001"},
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{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "f8", "000000000000000000000000000000000000000000000000000000000000007f"},
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{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "fe", "0000000000000000000000000000000000000000000000000000000000000001"},
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{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "ff", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0100", "0000000000000000000000000000000000000000000000000000000000000000"},
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}
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testTwoOperandOp(t, tests, opSAR)
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}
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func TestSGT(t *testing.T) {
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tests := []twoOperandTest{
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{"0000000000000000000000000000000000000000000000000000000000000001", "0000000000000000000000000000000000000000000000000000000000000001", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"0000000000000000000000000000000000000000000000000000000000000001", "7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0000000000000000000000000000000000000000000000000000000000000001"},
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{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0000000000000000000000000000000000000000000000000000000000000001", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0000000000000000000000000000000000000000000000000000000000000001", "0000000000000000000000000000000000000000000000000000000000000001"},
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{"0000000000000000000000000000000000000000000000000000000000000001", "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"8000000000000000000000000000000000000000000000000000000000000001", "8000000000000000000000000000000000000000000000000000000000000001", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"8000000000000000000000000000000000000000000000000000000000000001", "7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0000000000000000000000000000000000000000000000000000000000000001"},
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{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "8000000000000000000000000000000000000000000000000000000000000001", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffb", "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd", "0000000000000000000000000000000000000000000000000000000000000001"},
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{"fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd", "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffb", "0000000000000000000000000000000000000000000000000000000000000000"},
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}
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testTwoOperandOp(t, tests, opSgt)
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}
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func TestSLT(t *testing.T) {
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tests := []twoOperandTest{
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{"0000000000000000000000000000000000000000000000000000000000000001", "0000000000000000000000000000000000000000000000000000000000000001", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"0000000000000000000000000000000000000000000000000000000000000001", "7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0000000000000000000000000000000000000000000000000000000000000001", "0000000000000000000000000000000000000000000000000000000000000001"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0000000000000000000000000000000000000000000000000000000000000001", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"0000000000000000000000000000000000000000000000000000000000000001", "ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0000000000000000000000000000000000000000000000000000000000000001"},
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{"8000000000000000000000000000000000000000000000000000000000000001", "8000000000000000000000000000000000000000000000000000000000000001", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"8000000000000000000000000000000000000000000000000000000000000001", "7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "8000000000000000000000000000000000000000000000000000000000000001", "0000000000000000000000000000000000000000000000000000000000000001"},
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{"fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffb", "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd", "0000000000000000000000000000000000000000000000000000000000000000"},
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{"fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd", "fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffb", "0000000000000000000000000000000000000000000000000000000000000001"},
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}
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testTwoOperandOp(t, tests, opSlt)
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}
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func opBenchmark(bench *testing.B, op func(pc *uint64, interpreter *EVMInterpreter, contract *Contract, memory *Memory, stack *Stack) ([]byte, error), args ...string) {
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var (
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env = NewEVM(Context{}, nil, params.TestChainConfig, Config{})
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stack = newstack()
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evmInterpreter = NewEVMInterpreter(env, env.vmConfig)
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)
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env.interpreter = evmInterpreter
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evmInterpreter.intPool = poolOfIntPools.get()
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// convert args
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byteArgs := make([][]byte, len(args))
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for i, arg := range args {
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byteArgs[i] = common.Hex2Bytes(arg)
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}
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pc := uint64(0)
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bench.ResetTimer()
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for i := 0; i < bench.N; i++ {
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for _, arg := range byteArgs {
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a := new(big.Int).SetBytes(arg)
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stack.push(a)
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}
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op(&pc, evmInterpreter, nil, nil, stack)
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stack.pop()
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}
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poolOfIntPools.put(evmInterpreter.intPool)
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}
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func BenchmarkOpAdd64(b *testing.B) {
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x := "ffffffff"
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y := "fd37f3e2bba2c4f"
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opBenchmark(b, opAdd, x, y)
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}
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func BenchmarkOpAdd128(b *testing.B) {
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x := "ffffffffffffffff"
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y := "f5470b43c6549b016288e9a65629687"
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opBenchmark(b, opAdd, x, y)
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}
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func BenchmarkOpAdd256(b *testing.B) {
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x := "0802431afcbce1fc194c9eaa417b2fb67dc75a95db0bc7ec6b1c8af11df6a1da9"
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y := "a1f5aac137876480252e5dcac62c354ec0d42b76b0642b6181ed099849ea1d57"
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opBenchmark(b, opAdd, x, y)
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}
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func BenchmarkOpSub64(b *testing.B) {
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x := "51022b6317003a9d"
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y := "a20456c62e00753a"
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opBenchmark(b, opSub, x, y)
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}
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func BenchmarkOpSub128(b *testing.B) {
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x := "4dde30faaacdc14d00327aac314e915d"
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y := "9bbc61f5559b829a0064f558629d22ba"
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opBenchmark(b, opSub, x, y)
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}
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func BenchmarkOpSub256(b *testing.B) {
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x := "4bfcd8bb2ac462735b48a17580690283980aa2d679f091c64364594df113ea37"
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y := "97f9b1765588c4e6b69142eb00d20507301545acf3e1238c86c8b29be227d46e"
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opBenchmark(b, opSub, x, y)
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}
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func BenchmarkOpMul(b *testing.B) {
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x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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opBenchmark(b, opMul, x, y)
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}
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func BenchmarkOpDiv256(b *testing.B) {
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x := "ff3f9014f20db29ae04af2c2d265de17"
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y := "fe7fb0d1f59dfe9492ffbf73683fd1e870eec79504c60144cc7f5fc2bad1e611"
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opBenchmark(b, opDiv, x, y)
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}
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func BenchmarkOpDiv128(b *testing.B) {
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x := "fdedc7f10142ff97"
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y := "fbdfda0e2ce356173d1993d5f70a2b11"
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opBenchmark(b, opDiv, x, y)
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}
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func BenchmarkOpDiv64(b *testing.B) {
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x := "fcb34eb3"
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y := "f97180878e839129"
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opBenchmark(b, opDiv, x, y)
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}
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func BenchmarkOpSdiv(b *testing.B) {
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x := "ff3f9014f20db29ae04af2c2d265de17"
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y := "fe7fb0d1f59dfe9492ffbf73683fd1e870eec79504c60144cc7f5fc2bad1e611"
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opBenchmark(b, opSdiv, x, y)
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}
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func BenchmarkOpMod(b *testing.B) {
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x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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opBenchmark(b, opMod, x, y)
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}
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func BenchmarkOpSmod(b *testing.B) {
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x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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opBenchmark(b, opSmod, x, y)
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}
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func BenchmarkOpExp(b *testing.B) {
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x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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opBenchmark(b, opExp, x, y)
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}
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func BenchmarkOpSignExtend(b *testing.B) {
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x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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opBenchmark(b, opSignExtend, x, y)
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}
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func BenchmarkOpLt(b *testing.B) {
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x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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opBenchmark(b, opLt, x, y)
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}
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func BenchmarkOpGt(b *testing.B) {
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x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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opBenchmark(b, opGt, x, y)
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}
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func BenchmarkOpSlt(b *testing.B) {
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x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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opBenchmark(b, opSlt, x, y)
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}
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func BenchmarkOpSgt(b *testing.B) {
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x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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opBenchmark(b, opSgt, x, y)
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}
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func BenchmarkOpEq(b *testing.B) {
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x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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opBenchmark(b, opEq, x, y)
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}
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func BenchmarkOpEq2(b *testing.B) {
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x := "FBCDEF090807060504030201ffffffffFBCDEF090807060504030201ffffffff"
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y := "FBCDEF090807060504030201ffffffffFBCDEF090807060504030201fffffffe"
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opBenchmark(b, opEq, x, y)
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}
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func BenchmarkOpAnd(b *testing.B) {
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x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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opBenchmark(b, opAnd, x, y)
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}
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func BenchmarkOpOr(b *testing.B) {
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x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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opBenchmark(b, opOr, x, y)
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}
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func BenchmarkOpXor(b *testing.B) {
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x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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opBenchmark(b, opXor, x, y)
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}
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func BenchmarkOpByte(b *testing.B) {
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x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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opBenchmark(b, opByte, x, y)
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}
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func BenchmarkOpAddmod(b *testing.B) {
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x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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z := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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opBenchmark(b, opAddmod, x, y, z)
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}
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func BenchmarkOpMulmod(b *testing.B) {
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x := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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y := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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z := "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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opBenchmark(b, opMulmod, x, y, z)
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}
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|
|
func BenchmarkOpSHL(b *testing.B) {
|
|
x := "FBCDEF090807060504030201ffffffffFBCDEF090807060504030201ffffffff"
|
|
y := "ff"
|
|
|
|
opBenchmark(b, opSHL, x, y)
|
|
}
|
|
func BenchmarkOpSHR(b *testing.B) {
|
|
x := "FBCDEF090807060504030201ffffffffFBCDEF090807060504030201ffffffff"
|
|
y := "ff"
|
|
|
|
opBenchmark(b, opSHR, x, y)
|
|
}
|
|
func BenchmarkOpSAR(b *testing.B) {
|
|
x := "FBCDEF090807060504030201ffffffffFBCDEF090807060504030201ffffffff"
|
|
y := "ff"
|
|
|
|
opBenchmark(b, opSAR, x, y)
|
|
}
|
|
func BenchmarkOpIsZero(b *testing.B) {
|
|
x := "FBCDEF090807060504030201ffffffffFBCDEF090807060504030201ffffffff"
|
|
opBenchmark(b, opIszero, x)
|
|
}
|
|
|
|
func TestOpMstore(t *testing.T) {
|
|
var (
|
|
env = NewEVM(Context{}, nil, params.TestChainConfig, Config{})
|
|
stack = newstack()
|
|
mem = NewMemory()
|
|
evmInterpreter = NewEVMInterpreter(env, env.vmConfig)
|
|
)
|
|
|
|
env.interpreter = evmInterpreter
|
|
evmInterpreter.intPool = poolOfIntPools.get()
|
|
mem.Resize(64)
|
|
pc := uint64(0)
|
|
v := "abcdef00000000000000abba000000000deaf000000c0de00100000000133700"
|
|
stack.pushN(new(big.Int).SetBytes(common.Hex2Bytes(v)), big.NewInt(0))
|
|
opMstore(&pc, evmInterpreter, nil, mem, stack)
|
|
if got := common.Bytes2Hex(mem.Get(0, 32)); got != v {
|
|
t.Fatalf("Mstore fail, got %v, expected %v", got, v)
|
|
}
|
|
stack.pushN(big.NewInt(0x1), big.NewInt(0))
|
|
opMstore(&pc, evmInterpreter, nil, mem, stack)
|
|
if common.Bytes2Hex(mem.Get(0, 32)) != "0000000000000000000000000000000000000000000000000000000000000001" {
|
|
t.Fatalf("Mstore failed to overwrite previous value")
|
|
}
|
|
poolOfIntPools.put(evmInterpreter.intPool)
|
|
}
|
|
|
|
func BenchmarkOpMstore(bench *testing.B) {
|
|
var (
|
|
env = NewEVM(Context{}, nil, params.TestChainConfig, Config{})
|
|
stack = newstack()
|
|
mem = NewMemory()
|
|
evmInterpreter = NewEVMInterpreter(env, env.vmConfig)
|
|
)
|
|
|
|
env.interpreter = evmInterpreter
|
|
evmInterpreter.intPool = poolOfIntPools.get()
|
|
mem.Resize(64)
|
|
pc := uint64(0)
|
|
memStart := big.NewInt(0)
|
|
value := big.NewInt(0x1337)
|
|
|
|
bench.ResetTimer()
|
|
for i := 0; i < bench.N; i++ {
|
|
stack.pushN(value, memStart)
|
|
opMstore(&pc, evmInterpreter, nil, mem, stack)
|
|
}
|
|
poolOfIntPools.put(evmInterpreter.intPool)
|
|
}
|
|
|
|
func TestCreate2Addreses(t *testing.T) {
|
|
type testcase struct {
|
|
origin string
|
|
salt string
|
|
code string
|
|
expected string
|
|
}
|
|
|
|
for i, tt := range []testcase{
|
|
{
|
|
origin: "0x0000000000000000000000000000000000000000",
|
|
salt: "0x0000000000000000000000000000000000000000",
|
|
code: "0x00",
|
|
expected: "0x4d1a2e2bb4f88f0250f26ffff098b0b30b26bf38",
|
|
},
|
|
{
|
|
origin: "0xdeadbeef00000000000000000000000000000000",
|
|
salt: "0x0000000000000000000000000000000000000000",
|
|
code: "0x00",
|
|
expected: "0xB928f69Bb1D91Cd65274e3c79d8986362984fDA3",
|
|
},
|
|
{
|
|
origin: "0xdeadbeef00000000000000000000000000000000",
|
|
salt: "0xfeed000000000000000000000000000000000000",
|
|
code: "0x00",
|
|
expected: "0xD04116cDd17beBE565EB2422F2497E06cC1C9833",
|
|
},
|
|
{
|
|
origin: "0x0000000000000000000000000000000000000000",
|
|
salt: "0x0000000000000000000000000000000000000000",
|
|
code: "0xdeadbeef",
|
|
expected: "0x70f2b2914A2a4b783FaEFb75f459A580616Fcb5e",
|
|
},
|
|
{
|
|
origin: "0x00000000000000000000000000000000deadbeef",
|
|
salt: "0xcafebabe",
|
|
code: "0xdeadbeef",
|
|
expected: "0x60f3f640a8508fC6a86d45DF051962668E1e8AC7",
|
|
},
|
|
{
|
|
origin: "0x00000000000000000000000000000000deadbeef",
|
|
salt: "0xcafebabe",
|
|
code: "0xdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef",
|
|
expected: "0x1d8bfDC5D46DC4f61D6b6115972536eBE6A8854C",
|
|
},
|
|
{
|
|
origin: "0x0000000000000000000000000000000000000000",
|
|
salt: "0x0000000000000000000000000000000000000000",
|
|
code: "0x",
|
|
expected: "0xE33C0C7F7df4809055C3ebA6c09CFe4BaF1BD9e0",
|
|
},
|
|
} {
|
|
|
|
origin := common.BytesToAddress(common.FromHex(tt.origin))
|
|
salt := common.BytesToHash(common.FromHex(tt.salt))
|
|
code := common.FromHex(tt.code)
|
|
codeHash := crypto.Keccak256(code)
|
|
address := crypto.CreateAddress2(origin, salt, codeHash)
|
|
/*
|
|
stack := newstack()
|
|
// salt, but we don't need that for this test
|
|
stack.push(big.NewInt(int64(len(code)))) //size
|
|
stack.push(big.NewInt(0)) // memstart
|
|
stack.push(big.NewInt(0)) // value
|
|
gas, _ := gasCreate2(params.GasTable{}, nil, nil, stack, nil, 0)
|
|
fmt.Printf("Example %d\n* address `0x%x`\n* salt `0x%x`\n* init_code `0x%x`\n* gas (assuming no mem expansion): `%v`\n* result: `%s`\n\n", i,origin, salt, code, gas, address.String())
|
|
*/
|
|
expected := common.BytesToAddress(common.FromHex(tt.expected))
|
|
if !bytes.Equal(expected.Bytes(), address.Bytes()) {
|
|
t.Errorf("test %d: expected %s, got %s", i, expected.String(), address.String())
|
|
}
|
|
|
|
}
|
|
}
|