mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-22 11:41:19 +00:00
855 lines
29 KiB
Go
855 lines
29 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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//nolint:errcheck
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package vm
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import (
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"bytes"
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"encoding/json"
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"fmt"
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"os"
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"strings"
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"testing"
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"github.com/holiman/uint256"
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libcommon "github.com/ledgerwatch/erigon-lib/common"
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"github.com/ledgerwatch/erigon-lib/common/math"
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"github.com/ledgerwatch/erigon/common"
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"github.com/ledgerwatch/erigon/common/u256"
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"github.com/ledgerwatch/erigon/core/state"
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"github.com/ledgerwatch/erigon/core/vm/evmtypes"
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"github.com/ledgerwatch/erigon/core/vm/stack"
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"github.com/ledgerwatch/erigon/crypto"
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"github.com/ledgerwatch/erigon/params"
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)
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const opTestArg = "ABCDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff"
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type TwoOperandTestcase 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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type twoOperandParams struct {
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x string
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y string
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}
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var commonParams []*twoOperandParams
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var twoOpMethods map[string]executionFunc
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type contractRef struct {
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addr libcommon.Address
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}
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func (c contractRef) Address() libcommon.Address {
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return c.addr
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}
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func init() {
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// Params is a list of common edgecases that should be used for some common tests
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params := []string{
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"0000000000000000000000000000000000000000000000000000000000000000", // 0
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"0000000000000000000000000000000000000000000000000000000000000001", // +1
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"0000000000000000000000000000000000000000000000000000000000000005", // +5
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"7ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe", // + max -1
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"7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", // + max
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"8000000000000000000000000000000000000000000000000000000000000000", // - max
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"8000000000000000000000000000000000000000000000000000000000000001", // - max+1
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"fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffb", // - 5
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"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", // - 1
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}
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// Params are combined so each param is used on each 'side'
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commonParams = make([]*twoOperandParams, len(params)*len(params))
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for i, x := range params {
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for j, y := range params {
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commonParams[i*len(params)+j] = &twoOperandParams{x, y}
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}
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}
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twoOpMethods = map[string]executionFunc{"add": opAdd,
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"sub": opSub,
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"mul": opMul,
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"div": opDiv,
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"sdiv": opSdiv,
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"mod": opMod,
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"smod": opSmod,
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"exp": opExp,
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"signext": opSignExtend,
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"lt": opLt,
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"gt": opGt,
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"slt": opSlt,
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"sgt": opSgt,
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"eq": opEq,
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"and": opAnd,
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"or": opOr,
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"xor": opXor,
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"byte": opByte,
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"shl": opSHL,
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"shr": opSHR,
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"sar": opSAR,
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}
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}
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func testTwoOperandOp(t *testing.T, tests []TwoOperandTestcase, opFn executionFunc, name string) {
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var (
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env = NewEVM(evmtypes.BlockContext{}, evmtypes.TxContext{}, nil, params.TestChainConfig, Config{})
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stack = stack.New()
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pc = uint64(0)
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evmInterpreter = env.interpreter.(*EVMInterpreter)
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)
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for i, test := range tests {
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x := new(uint256.Int).SetBytes(libcommon.Hex2Bytes(test.X))
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y := new(uint256.Int).SetBytes(libcommon.Hex2Bytes(test.Y))
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expected := new(uint256.Int).SetBytes(libcommon.Hex2Bytes(test.Expected))
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stack.Push(x)
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stack.Push(y)
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opFn(&pc, evmInterpreter, &ScopeContext{nil, stack, nil})
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if len(stack.Data) != 1 {
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t.Errorf("Expected one item on stack after %v, got %d: ", name, len(stack.Data))
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}
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actual := stack.Pop()
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if actual.Cmp(expected) != 0 {
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t.Errorf("Testcase %v %d, %v(%x, %x): expected %x, got %x", name, i, name, x, y, expected, &actual)
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}
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}
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}
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func TestByteOp(t *testing.T) {
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t.Parallel()
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tests := []TwoOperandTestcase{
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{"ABCDEF0908070605040302010000000000000000000000000000000000000000", "00", "AB"},
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{"ABCDEF0908070605040302010000000000000000000000000000000000000000", "01", "CD"},
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{"00CDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff", "00", "00"},
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{"00CDEF090807060504030201ffffffffffffffffffffffffffffffffffffffff", "01", "CD"},
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{"0000000000000000000000000000000000000000000000000000000000102030", "1F", "30"},
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{"0000000000000000000000000000000000000000000000000000000000102030", "1E", "20"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "20", "00"},
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", "FFFFFFFFFFFFFFFF", "00"},
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}
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testTwoOperandOp(t, tests, opByte, "byte")
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}
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func TestSHL(t *testing.T) {
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t.Parallel()
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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 := []TwoOperandTestcase{
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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, "shl")
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}
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func TestSHR(t *testing.T) {
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t.Parallel()
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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 := []TwoOperandTestcase{
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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, "shr")
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}
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func TestSAR(t *testing.T) {
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t.Parallel()
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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 := []TwoOperandTestcase{
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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, "sar")
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}
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func TestAddMod(t *testing.T) {
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t.Parallel()
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var (
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env = NewEVM(evmtypes.BlockContext{}, evmtypes.TxContext{}, nil, params.TestChainConfig, Config{})
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stack = stack.New()
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evmInterpreter = NewEVMInterpreter(env, env.Config())
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pc = uint64(0)
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)
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tests := []struct {
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x string
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y string
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z string
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expected string
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}{
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{"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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"fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe",
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"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
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"fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe",
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},
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}
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// x + y = 0x1fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd
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// in 256 bit repr, fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffd
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for i, test := range tests {
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x := new(uint256.Int).SetBytes(libcommon.Hex2Bytes(test.x))
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y := new(uint256.Int).SetBytes(libcommon.Hex2Bytes(test.y))
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z := new(uint256.Int).SetBytes(libcommon.Hex2Bytes(test.z))
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expected := new(uint256.Int).SetBytes(libcommon.Hex2Bytes(test.expected))
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stack.Push(z)
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stack.Push(y)
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stack.Push(x)
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opAddmod(&pc, evmInterpreter, &ScopeContext{nil, stack, nil})
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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 %x, got %x", i, expected, actual)
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}
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}
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}
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// getResult is a convenience function to generate the expected values
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// func getResult(args []*twoOperandParams, opFn executionFunc) []TwoOperandTestcase {
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// var (
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// env = NewEVM(BlockContext{}, TxContext{}, nil, params.TestChainConfig, Config{})
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// stack = stack.New()
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// pc = uint64(0)
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// interpreter = env.interpreter.(*EVMInterpreter)
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// )
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// result := make([]TwoOperandTestcase, len(args))
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// for i, param := range args {
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// x := new(uint256.Int).SetBytes(common.Hex2Bytes(param.x))
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// y := new(uint256.Int).SetBytes(common.Hex2Bytes(param.y))
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// stack.Push(x)
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// stack.Push(y)
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// opFn(&pc, interpreter, &callCtx{nil, stack, nil})
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// actual := stack.Pop()
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// result[i] = TwoOperandTestcase{param.x, param.y, fmt.Sprintf("%064x", actual)}
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// }
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// return result
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// }
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// utility function to fill the json-file with testcases
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// Enable this test to generate the 'testcases_xx.json' files
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// func TestWriteExpectedValues(t *testing.T) {
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// for name, method := range twoOpMethods {
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// data, err := json.Marshal(getResult(commonParams, method))
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// if err != nil {
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// t.Fatal(err)
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// }
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// _ = os.WriteFile(fmt.Sprintf("testdata/testcases_%v.json", name), data, 0644)
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// if err != nil {
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// t.Fatal(err)
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// }
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// }
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// }
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// TestJsonTestcases runs through all the testcases defined as json-files
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func TestJsonTestcases(t *testing.T) {
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t.Parallel()
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for name := range twoOpMethods {
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data, err := os.ReadFile(fmt.Sprintf("testdata/testcases_%v.json", name))
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if err != nil {
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t.Fatal("Failed to read file", err)
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}
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var testcases []TwoOperandTestcase
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json.Unmarshal(data, &testcases)
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testTwoOperandOp(t, testcases, twoOpMethods[name], name)
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}
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}
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func opBenchmark(b *testing.B, op executionFunc, args ...string) {
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var (
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env = NewEVM(evmtypes.BlockContext{}, evmtypes.TxContext{}, nil, params.TestChainConfig, Config{})
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stack = stack.New()
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evmInterpreter = NewEVMInterpreter(env, env.Config())
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)
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env.interpreter = evmInterpreter
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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] = libcommon.Hex2Bytes(arg)
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}
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pc := uint64(0)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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for _, arg := range byteArgs {
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a := new(uint256.Int)
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a.SetBytes(arg)
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stack.Push(a)
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}
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op(&pc, evmInterpreter, &ScopeContext{nil, stack, nil})
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stack.Pop()
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}
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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 := opTestArg
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y := opTestArg
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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 := opTestArg
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y := opTestArg
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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 := opTestArg
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y := opTestArg
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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 := opTestArg
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y := opTestArg
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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 := opTestArg
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y := opTestArg
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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 := opTestArg
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y := opTestArg
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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 := opTestArg
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y := opTestArg
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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 := opTestArg
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y := opTestArg
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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 := opTestArg
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y := opTestArg
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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 := opTestArg
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y := opTestArg
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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"
|
|
y := "FBCDEF090807060504030201ffffffffFBCDEF090807060504030201fffffffe"
|
|
opBenchmark(b, opEq, x, y)
|
|
}
|
|
func BenchmarkOpAnd(b *testing.B) {
|
|
x := opTestArg
|
|
y := opTestArg
|
|
|
|
opBenchmark(b, opAnd, x, y)
|
|
}
|
|
|
|
func BenchmarkOpOr(b *testing.B) {
|
|
x := opTestArg
|
|
y := opTestArg
|
|
|
|
opBenchmark(b, opOr, x, y)
|
|
}
|
|
|
|
func BenchmarkOpXor(b *testing.B) {
|
|
x := opTestArg
|
|
y := opTestArg
|
|
|
|
opBenchmark(b, opXor, x, y)
|
|
}
|
|
|
|
func BenchmarkOpByte(b *testing.B) {
|
|
x := opTestArg
|
|
y := opTestArg
|
|
|
|
opBenchmark(b, opByte, x, y)
|
|
}
|
|
|
|
func BenchmarkOpAddmod(b *testing.B) {
|
|
x := opTestArg
|
|
y := opTestArg
|
|
z := opTestArg
|
|
|
|
opBenchmark(b, opAddmod, x, y, z)
|
|
}
|
|
|
|
func BenchmarkOpMulmod(b *testing.B) {
|
|
x := opTestArg
|
|
y := opTestArg
|
|
z := opTestArg
|
|
|
|
opBenchmark(b, opMulmod, x, y, z)
|
|
}
|
|
|
|
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) {
|
|
t.Parallel()
|
|
var (
|
|
env = NewEVM(evmtypes.BlockContext{}, evmtypes.TxContext{}, nil, params.TestChainConfig, Config{})
|
|
stack = stack.New()
|
|
mem = NewMemory()
|
|
evmInterpreter = NewEVMInterpreter(env, env.Config())
|
|
)
|
|
|
|
env.interpreter = evmInterpreter
|
|
mem.Resize(64)
|
|
pc := uint64(0)
|
|
v := "abcdef00000000000000abba000000000deaf000000c0de00100000000133700"
|
|
stack.PushN(*new(uint256.Int).SetBytes(libcommon.Hex2Bytes(v)), *new(uint256.Int))
|
|
opMstore(&pc, evmInterpreter, &ScopeContext{mem, stack, nil})
|
|
if got := common.Bytes2Hex(mem.GetCopy(0, 32)); got != v {
|
|
t.Fatalf("Mstore fail, got %v, expected %v", got, v)
|
|
}
|
|
stack.PushN(*new(uint256.Int).SetOne(), *new(uint256.Int))
|
|
opMstore(&pc, evmInterpreter, &ScopeContext{mem, stack, nil})
|
|
if common.Bytes2Hex(mem.GetCopy(0, 32)) != "0000000000000000000000000000000000000000000000000000000000000001" {
|
|
t.Fatalf("Mstore failed to overwrite previous value")
|
|
}
|
|
}
|
|
|
|
func BenchmarkOpMstore(bench *testing.B) {
|
|
var (
|
|
env = NewEVM(evmtypes.BlockContext{}, evmtypes.TxContext{}, nil, params.TestChainConfig, Config{})
|
|
stack = stack.New()
|
|
mem = NewMemory()
|
|
evmInterpreter = NewEVMInterpreter(env, env.Config())
|
|
)
|
|
|
|
env.interpreter = evmInterpreter
|
|
mem.Resize(64)
|
|
pc := uint64(0)
|
|
memStart := new(uint256.Int)
|
|
value := new(uint256.Int).SetUint64(0x1337)
|
|
|
|
bench.ResetTimer()
|
|
for i := 0; i < bench.N; i++ {
|
|
stack.PushN(*value, *memStart)
|
|
opMstore(&pc, evmInterpreter, &ScopeContext{mem, stack, nil})
|
|
}
|
|
}
|
|
|
|
func TestOpTstore(t *testing.T) {
|
|
t.Parallel()
|
|
var (
|
|
state = state.New(nil)
|
|
env = NewEVM(evmtypes.BlockContext{}, evmtypes.TxContext{}, state, params.TestChainConfig, Config{})
|
|
stack = stack.New()
|
|
mem = NewMemory()
|
|
evmInterpreter = NewEVMInterpreter(env, env.Config())
|
|
caller = libcommon.Address{}
|
|
to = libcommon.Address{1}
|
|
contractRef = contractRef{caller}
|
|
contract = NewContract(contractRef, to, u256.Num0, 0, false)
|
|
scopeContext = ScopeContext{mem, stack, contract}
|
|
value = libcommon.Hex2Bytes("abcdef00000000000000abba000000000deaf000000c0de00100000000133700")
|
|
)
|
|
|
|
env.interpreter = evmInterpreter
|
|
pc := uint64(0)
|
|
// push the value to the stack
|
|
stack.Push(new(uint256.Int).SetBytes(value))
|
|
// push the location to the stack
|
|
stack.Push(new(uint256.Int))
|
|
opTstore(&pc, evmInterpreter, &scopeContext)
|
|
// there should be no elements on the stack after TSTORE
|
|
if stack.Len() != 0 {
|
|
t.Fatal("stack wrong size")
|
|
}
|
|
// push the location to the stack
|
|
stack.Push(new(uint256.Int))
|
|
opTload(&pc, evmInterpreter, &scopeContext)
|
|
// there should be one element on the stack after TLOAD
|
|
if stack.Len() != 1 {
|
|
t.Fatal("stack wrong size")
|
|
}
|
|
val := stack.Peek()
|
|
if !bytes.Equal(val.Bytes(), value) {
|
|
t.Fatal("incorrect element read from transient storage")
|
|
}
|
|
}
|
|
|
|
func BenchmarkOpKeccak256(bench *testing.B) {
|
|
var (
|
|
env = NewEVM(evmtypes.BlockContext{}, evmtypes.TxContext{}, nil, params.TestChainConfig, Config{})
|
|
stack = stack.New()
|
|
mem = NewMemory()
|
|
evmInterpreter = NewEVMInterpreter(env, env.Config())
|
|
)
|
|
env.interpreter = evmInterpreter
|
|
mem.Resize(32)
|
|
pc := uint64(0)
|
|
start := uint256.NewInt(0)
|
|
|
|
bench.ResetTimer()
|
|
for i := 0; i < bench.N; i++ {
|
|
stack.PushN(*uint256.NewInt(32), *start)
|
|
opKeccak256(&pc, evmInterpreter, &ScopeContext{mem, stack, nil})
|
|
}
|
|
}
|
|
|
|
func TestCreate2Addreses(t *testing.T) {
|
|
t.Parallel()
|
|
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 := libcommon.BytesToAddress(common.FromHex(tt.origin))
|
|
salt := libcommon.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 := libcommon.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())
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestOpMCopy(t *testing.T) {
|
|
t.Parallel()
|
|
// Test cases from https://eips.ethereum.org/EIPS/eip-5656#test-cases
|
|
for i, tc := range []struct {
|
|
dst, src, len string
|
|
pre string
|
|
want string
|
|
wantGas uint64
|
|
}{
|
|
{ // MCOPY 0 32 32 - copy 32 bytes from offset 32 to offset 0.
|
|
dst: "0x0", src: "0x20", len: "0x20",
|
|
pre: "0000000000000000000000000000000000000000000000000000000000000000 000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f",
|
|
want: "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f 000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f",
|
|
wantGas: 6,
|
|
},
|
|
|
|
{ // MCOPY 0 0 32 - copy 32 bytes from offset 0 to offset 0.
|
|
dst: "0x0", src: "0x0", len: "0x20",
|
|
pre: "0101010101010101010101010101010101010101010101010101010101010101",
|
|
want: "0101010101010101010101010101010101010101010101010101010101010101",
|
|
wantGas: 6,
|
|
},
|
|
{ // MCOPY 0 1 8 - copy 8 bytes from offset 1 to offset 0 (overlapping).
|
|
dst: "0x0", src: "0x1", len: "0x8",
|
|
pre: "000102030405060708 000000000000000000000000000000000000000000000000",
|
|
want: "010203040506070808 000000000000000000000000000000000000000000000000",
|
|
wantGas: 6,
|
|
},
|
|
{ // MCOPY 1 0 8 - copy 8 bytes from offset 0 to offset 1 (overlapping).
|
|
dst: "0x1", src: "0x0", len: "0x8",
|
|
pre: "000102030405060708 000000000000000000000000000000000000000000000000",
|
|
want: "000001020304050607 000000000000000000000000000000000000000000000000",
|
|
wantGas: 6,
|
|
},
|
|
// Tests below are not in the EIP, but maybe should be added
|
|
{ // MCOPY 0xFFFFFFFFFFFF 0xFFFFFFFFFFFF 0 - copy zero bytes from out-of-bounds index(overlapping).
|
|
dst: "0xFFFFFFFFFFFF", src: "0xFFFFFFFFFFFF", len: "0x0",
|
|
pre: "11",
|
|
want: "11",
|
|
wantGas: 3,
|
|
},
|
|
{ // MCOPY 0xFFFFFFFFFFFF 0 0 - copy zero bytes from start of mem to out-of-bounds.
|
|
dst: "0xFFFFFFFFFFFF", src: "0x0", len: "0x0",
|
|
pre: "11",
|
|
want: "11",
|
|
wantGas: 3,
|
|
},
|
|
{ // MCOPY 0 0xFFFFFFFFFFFF 0 - copy zero bytes from out-of-bounds to start of mem
|
|
dst: "0x0", src: "0xFFFFFFFFFFFF", len: "0x0",
|
|
pre: "11",
|
|
want: "11",
|
|
wantGas: 3,
|
|
},
|
|
{ // MCOPY - copy 1 from space outside of uint64 space
|
|
dst: "0x0", src: "0x10000000000000000", len: "0x1",
|
|
pre: "0",
|
|
},
|
|
{ // MCOPY - copy 1 from 0 to space outside of uint64
|
|
dst: "0x10000000000000000", src: "0x0", len: "0x1",
|
|
pre: "0",
|
|
},
|
|
{ // MCOPY - copy nothing from 0 to space outside of uint64
|
|
dst: "0x10000000000000000", src: "0x0", len: "0x0",
|
|
pre: "",
|
|
want: "",
|
|
wantGas: 3,
|
|
},
|
|
{ // MCOPY - copy 1 from 0x20 to 0x10, with no prior allocated mem
|
|
dst: "0x10", src: "0x20", len: "0x1",
|
|
pre: "",
|
|
// 64 bytes
|
|
want: "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
|
|
wantGas: 12,
|
|
},
|
|
{ // MCOPY - copy 1 from 0x19 to 0x10, with no prior allocated mem
|
|
dst: "0x10", src: "0x19", len: "0x1",
|
|
pre: "",
|
|
// 32 bytes
|
|
want: "0x0000000000000000000000000000000000000000000000000000000000000000",
|
|
wantGas: 9,
|
|
},
|
|
} {
|
|
var (
|
|
env = NewEVM(evmtypes.BlockContext{}, evmtypes.TxContext{}, nil, params.TestChainConfig, Config{})
|
|
stack = stack.New()
|
|
pc = uint64(0)
|
|
evmInterpreter = NewEVMInterpreter(env, env.Config())
|
|
)
|
|
data := common.FromHex(strings.ReplaceAll(tc.pre, " ", ""))
|
|
// Set pre
|
|
mem := NewMemory()
|
|
mem.Resize(uint64(len(data)))
|
|
mem.Set(0, uint64(len(data)), data)
|
|
// Push stack args
|
|
len, _ := uint256.FromHex(tc.len)
|
|
src, _ := uint256.FromHex(tc.src)
|
|
dst, _ := uint256.FromHex(tc.dst)
|
|
|
|
stack.Push(len)
|
|
stack.Push(src)
|
|
stack.Push(dst)
|
|
wantErr := (tc.wantGas == 0)
|
|
// Calc mem expansion
|
|
var memorySize uint64
|
|
if memSize, overflow := memoryMcopy(stack); overflow {
|
|
if wantErr {
|
|
continue
|
|
}
|
|
t.Errorf("overflow")
|
|
} else {
|
|
var overflow bool
|
|
if memorySize, overflow = math.SafeMul(ToWordSize(memSize), 32); overflow {
|
|
t.Error(ErrGasUintOverflow)
|
|
}
|
|
}
|
|
// and the dynamic cost
|
|
var haveGas uint64
|
|
if dynamicCost, err := gasMcopy(env, nil, stack, mem, memorySize); err != nil {
|
|
t.Error(err)
|
|
} else {
|
|
haveGas = GasFastestStep + dynamicCost
|
|
}
|
|
// Expand mem
|
|
if memorySize > 0 {
|
|
mem.Resize(memorySize)
|
|
}
|
|
// Do the copy
|
|
opMcopy(&pc, evmInterpreter, &ScopeContext{mem, stack, nil})
|
|
want := common.FromHex(strings.ReplaceAll(tc.want, " ", ""))
|
|
if have := mem.store; !bytes.Equal(want, have) {
|
|
t.Errorf("case %d: \nwant: %#x\nhave: %#x\n", i, want, have)
|
|
}
|
|
wantGas := tc.wantGas
|
|
if haveGas != wantGas {
|
|
t.Errorf("case %d: gas wrong, want %d have %d\n", i, wantGas, haveGas)
|
|
}
|
|
}
|
|
}
|