370 lines
16 KiB
Go
370 lines
16 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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"encoding/json"
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"fmt"
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"io/ioutil"
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"math/big"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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)
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// precompiledTest defines the input/output pairs for precompiled contract tests.
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type precompiledTest struct {
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Input, Expected string
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Name string
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NoBenchmark bool // Benchmark primarily the worst-cases
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}
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// precompiledFailureTest defines the input/error pairs for precompiled
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// contract failure tests.
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type precompiledFailureTest struct {
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Input string
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ExpectedError string
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Name string
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}
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var allPrecompiles = PrecompiledContractsYoloV1
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// EIP-152 test vectors
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var blake2FMalformedInputTests = []precompiledFailureTest{
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{
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Input: "",
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ExpectedError: errBlake2FInvalidInputLength.Error(),
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Name: "vector 0: empty input",
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},
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{
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Input: "00000c48c9bdf267e6096a3ba7ca8485ae67bb2bf894fe72f36e3cf1361d5f3af54fa5d182e6ad7f520e511f6c3e2b8c68059b6bbd41fbabd9831f79217e1319cde05b61626300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000001",
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ExpectedError: errBlake2FInvalidInputLength.Error(),
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Name: "vector 1: less than 213 bytes input",
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},
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{
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Input: "000000000c48c9bdf267e6096a3ba7ca8485ae67bb2bf894fe72f36e3cf1361d5f3af54fa5d182e6ad7f520e511f6c3e2b8c68059b6bbd41fbabd9831f79217e1319cde05b61626300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000001",
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ExpectedError: errBlake2FInvalidInputLength.Error(),
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Name: "vector 2: more than 213 bytes input",
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},
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{
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Input: "0000000c48c9bdf267e6096a3ba7ca8485ae67bb2bf894fe72f36e3cf1361d5f3af54fa5d182e6ad7f520e511f6c3e2b8c68059b6bbd41fbabd9831f79217e1319cde05b61626300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000002",
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ExpectedError: errBlake2FInvalidFinalFlag.Error(),
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Name: "vector 3: malformed final block indicator flag",
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},
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}
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func testPrecompiled(addr string, test precompiledTest, t *testing.T) {
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p := allPrecompiles[common.HexToAddress(addr)]
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in := common.Hex2Bytes(test.Input)
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contract := NewContract(AccountRef(common.HexToAddress("1337")),
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nil, new(big.Int), p.RequiredGas(in))
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t.Run(fmt.Sprintf("%s-Gas=%d", test.Name, contract.Gas), func(t *testing.T) {
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if res, err := RunPrecompiledContract(p, in, contract); err != nil {
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t.Error(err)
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} else if common.Bytes2Hex(res) != test.Expected {
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t.Errorf("Expected %v, got %v", test.Expected, common.Bytes2Hex(res))
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}
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// Verify that the precompile did not touch the input buffer
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exp := common.Hex2Bytes(test.Input)
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if !bytes.Equal(in, exp) {
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t.Errorf("Precompiled %v modified input data", addr)
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}
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})
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}
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func testPrecompiledOOG(addr string, test precompiledTest, t *testing.T) {
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p := allPrecompiles[common.HexToAddress(addr)]
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in := common.Hex2Bytes(test.Input)
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contract := NewContract(AccountRef(common.HexToAddress("1337")),
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nil, new(big.Int), p.RequiredGas(in)-1)
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t.Run(fmt.Sprintf("%s-Gas=%d", test.Name, contract.Gas), func(t *testing.T) {
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_, err := RunPrecompiledContract(p, in, contract)
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if err.Error() != "out of gas" {
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t.Errorf("Expected error [out of gas], got [%v]", err)
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}
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// Verify that the precompile did not touch the input buffer
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exp := common.Hex2Bytes(test.Input)
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if !bytes.Equal(in, exp) {
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t.Errorf("Precompiled %v modified input data", addr)
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}
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})
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}
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func testPrecompiledFailure(addr string, test precompiledFailureTest, t *testing.T) {
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p := allPrecompiles[common.HexToAddress(addr)]
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in := common.Hex2Bytes(test.Input)
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contract := NewContract(AccountRef(common.HexToAddress("31337")),
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nil, new(big.Int), p.RequiredGas(in))
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t.Run(test.Name, func(t *testing.T) {
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_, err := RunPrecompiledContract(p, in, contract)
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if err.Error() != test.ExpectedError {
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t.Errorf("Expected error [%v], got [%v]", test.ExpectedError, err)
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}
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// Verify that the precompile did not touch the input buffer
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exp := common.Hex2Bytes(test.Input)
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if !bytes.Equal(in, exp) {
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t.Errorf("Precompiled %v modified input data", addr)
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}
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})
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}
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func benchmarkPrecompiled(addr string, test precompiledTest, bench *testing.B) {
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if test.NoBenchmark {
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return
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}
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p := allPrecompiles[common.HexToAddress(addr)]
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in := common.Hex2Bytes(test.Input)
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reqGas := p.RequiredGas(in)
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contract := NewContract(AccountRef(common.HexToAddress("1337")),
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nil, new(big.Int), reqGas)
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var (
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res []byte
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err error
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data = make([]byte, len(in))
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)
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bench.Run(fmt.Sprintf("%s-Gas=%d", test.Name, contract.Gas), func(bench *testing.B) {
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bench.ReportAllocs()
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start := time.Now().Nanosecond()
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bench.ResetTimer()
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for i := 0; i < bench.N; i++ {
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contract.Gas = reqGas
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copy(data, in)
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res, err = RunPrecompiledContract(p, data, contract)
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}
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bench.StopTimer()
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elapsed := float64(time.Now().Nanosecond() - start)
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if elapsed < 1 {
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elapsed = 1
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}
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gasUsed := reqGas * uint64(bench.N)
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bench.ReportMetric(float64(reqGas), "gas/op")
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bench.ReportMetric(float64(gasUsed*1000)/elapsed, "mgas/s")
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//Check if it is correct
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if err != nil {
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bench.Error(err)
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return
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}
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if common.Bytes2Hex(res) != test.Expected {
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bench.Error(fmt.Sprintf("Expected %v, got %v", test.Expected, common.Bytes2Hex(res)))
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return
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}
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})
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}
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// Benchmarks the sample inputs from the ECRECOVER precompile.
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func BenchmarkPrecompiledEcrecover(bench *testing.B) {
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t := precompiledTest{
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Input: "38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e000000000000000000000000000000000000000000000000000000000000001b38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e789d1dd423d25f0772d2748d60f7e4b81bb14d086eba8e8e8efb6dcff8a4ae02",
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Expected: "000000000000000000000000ceaccac640adf55b2028469bd36ba501f28b699d",
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Name: "",
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}
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benchmarkPrecompiled("01", t, bench)
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}
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// Benchmarks the sample inputs from the SHA256 precompile.
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func BenchmarkPrecompiledSha256(bench *testing.B) {
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t := precompiledTest{
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Input: "38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e000000000000000000000000000000000000000000000000000000000000001b38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e789d1dd423d25f0772d2748d60f7e4b81bb14d086eba8e8e8efb6dcff8a4ae02",
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Expected: "811c7003375852fabd0d362e40e68607a12bdabae61a7d068fe5fdd1dbbf2a5d",
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Name: "128",
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}
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benchmarkPrecompiled("02", t, bench)
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}
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// Benchmarks the sample inputs from the RIPEMD precompile.
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func BenchmarkPrecompiledRipeMD(bench *testing.B) {
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t := precompiledTest{
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Input: "38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e000000000000000000000000000000000000000000000000000000000000001b38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e789d1dd423d25f0772d2748d60f7e4b81bb14d086eba8e8e8efb6dcff8a4ae02",
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Expected: "0000000000000000000000009215b8d9882ff46f0dfde6684d78e831467f65e6",
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Name: "128",
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}
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benchmarkPrecompiled("03", t, bench)
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}
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// Benchmarks the sample inputs from the identiy precompile.
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func BenchmarkPrecompiledIdentity(bench *testing.B) {
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t := precompiledTest{
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Input: "38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e000000000000000000000000000000000000000000000000000000000000001b38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e789d1dd423d25f0772d2748d60f7e4b81bb14d086eba8e8e8efb6dcff8a4ae02",
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Expected: "38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e000000000000000000000000000000000000000000000000000000000000001b38d18acb67d25c8bb9942764b62f18e17054f66a817bd4295423adf9ed98873e789d1dd423d25f0772d2748d60f7e4b81bb14d086eba8e8e8efb6dcff8a4ae02",
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Name: "128",
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}
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benchmarkPrecompiled("04", t, bench)
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}
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// Tests the sample inputs from the ModExp EIP 198.
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func TestPrecompiledModExp(t *testing.T) { testJson("modexp", "05", t) }
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func BenchmarkPrecompiledModExp(b *testing.B) { benchJson("modexp", "05", b) }
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// Tests the sample inputs from the elliptic curve addition EIP 213.
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func TestPrecompiledBn256Add(t *testing.T) { testJson("bn256Add", "06", t) }
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func BenchmarkPrecompiledBn256Add(b *testing.B) { benchJson("bn256Add", "06", b) }
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// Tests OOG
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func TestPrecompiledModExpOOG(t *testing.T) {
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modexpTests, err := loadJson("modexp")
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if err != nil {
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t.Fatal(err)
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}
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for _, test := range modexpTests {
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testPrecompiledOOG("05", test, t)
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}
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}
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// Tests the sample inputs from the elliptic curve scalar multiplication EIP 213.
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func TestPrecompiledBn256ScalarMul(t *testing.T) { testJson("bn256ScalarMul", "07", t) }
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func BenchmarkPrecompiledBn256ScalarMul(b *testing.B) { benchJson("bn256ScalarMul", "07", b) }
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// Tests the sample inputs from the elliptic curve pairing check EIP 197.
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func TestPrecompiledBn256Pairing(t *testing.T) { testJson("bn256Pairing", "08", t) }
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func BenchmarkPrecompiledBn256Pairing(b *testing.B) { benchJson("bn256Pairing", "08", b) }
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func TestPrecompiledBlake2F(t *testing.T) { testJson("blake2F", "09", t) }
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func BenchmarkPrecompiledBlake2F(b *testing.B) { benchJson("blake2F", "09", b) }
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func TestPrecompileBlake2FMalformedInput(t *testing.T) {
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for _, test := range blake2FMalformedInputTests {
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testPrecompiledFailure("09", test, t)
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}
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}
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func TestPrecompiledEcrecover(t *testing.T) { testJson("ecRecover", "01", t) }
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func testJson(name, addr string, t *testing.T) {
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tests, err := loadJson(name)
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if err != nil {
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t.Fatal(err)
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}
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for _, test := range tests {
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testPrecompiled(addr, test, t)
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}
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}
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func testJsonFail(name, addr string, t *testing.T) {
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tests, err := loadJsonFail(name)
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if err != nil {
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t.Fatal(err)
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}
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for _, test := range tests {
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testPrecompiledFailure(addr, test, t)
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}
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}
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func benchJson(name, addr string, b *testing.B) {
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tests, err := loadJson(name)
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if err != nil {
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b.Fatal(err)
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}
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for _, test := range tests {
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benchmarkPrecompiled(addr, test, b)
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}
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}
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func TestPrecompiledBLS12381G1Add(t *testing.T) { testJson("blsG1Add", "0a", t) }
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func TestPrecompiledBLS12381G1Mul(t *testing.T) { testJson("blsG1Mul", "0b", t) }
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func TestPrecompiledBLS12381G1MultiExp(t *testing.T) { testJson("blsG1MultiExp", "0c", t) }
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func TestPrecompiledBLS12381G2Add(t *testing.T) { testJson("blsG2Add", "0d", t) }
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func TestPrecompiledBLS12381G2Mul(t *testing.T) { testJson("blsG2Mul", "0e", t) }
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func TestPrecompiledBLS12381G2MultiExp(t *testing.T) { testJson("blsG2MultiExp", "0f", t) }
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func TestPrecompiledBLS12381Pairing(t *testing.T) { testJson("blsPairing", "10", t) }
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func TestPrecompiledBLS12381MapG1(t *testing.T) { testJson("blsMapG1", "11", t) }
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func TestPrecompiledBLS12381MapG2(t *testing.T) { testJson("blsMapG2", "12", t) }
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func BenchmarkPrecompiledBLS12381G1Add(b *testing.B) { benchJson("blsG1Add", "0a", b) }
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func BenchmarkPrecompiledBLS12381G1Mul(b *testing.B) { benchJson("blsG1Mul", "0b", b) }
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func BenchmarkPrecompiledBLS12381G1MultiExp(b *testing.B) { benchJson("blsG1MultiExp", "0c", b) }
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func BenchmarkPrecompiledBLS12381G2Add(b *testing.B) { benchJson("blsG2Add", "0d", b) }
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func BenchmarkPrecompiledBLS12381G2Mul(b *testing.B) { benchJson("blsG2Mul", "0e", b) }
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func BenchmarkPrecompiledBLS12381G2MultiExp(b *testing.B) { benchJson("blsG2MultiExp", "0f", b) }
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func BenchmarkPrecompiledBLS12381Pairing(b *testing.B) { benchJson("blsPairing", "10", b) }
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func BenchmarkPrecompiledBLS12381MapG1(b *testing.B) { benchJson("blsMapG1", "11", b) }
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func BenchmarkPrecompiledBLS12381MapG2(b *testing.B) { benchJson("blsMapG2", "12", b) }
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// Failure tests
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func TestPrecompiledBLS12381G1AddFail(t *testing.T) { testJsonFail("blsG1Add", "0a", t) }
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func TestPrecompiledBLS12381G1MulFail(t *testing.T) { testJsonFail("blsG1Mul", "0b", t) }
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func TestPrecompiledBLS12381G1MultiExpFail(t *testing.T) { testJsonFail("blsG1MultiExp", "0c", t) }
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func TestPrecompiledBLS12381G2AddFail(t *testing.T) { testJsonFail("blsG2Add", "0d", t) }
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func TestPrecompiledBLS12381G2MulFail(t *testing.T) { testJsonFail("blsG2Mul", "0e", t) }
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func TestPrecompiledBLS12381G2MultiExpFail(t *testing.T) { testJsonFail("blsG2MultiExp", "0f", t) }
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func TestPrecompiledBLS12381PairingFail(t *testing.T) { testJsonFail("blsPairing", "10", t) }
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func TestPrecompiledBLS12381MapG1Fail(t *testing.T) { testJsonFail("blsMapG1", "11", t) }
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func TestPrecompiledBLS12381MapG2Fail(t *testing.T) { testJsonFail("blsMapG2", "12", t) }
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func loadJson(name string) ([]precompiledTest, error) {
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data, err := ioutil.ReadFile(fmt.Sprintf("testdata/precompiles/%v.json", name))
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if err != nil {
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return nil, err
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}
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var testcases []precompiledTest
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err = json.Unmarshal(data, &testcases)
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return testcases, err
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}
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func loadJsonFail(name string) ([]precompiledFailureTest, error) {
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data, err := ioutil.ReadFile(fmt.Sprintf("testdata/precompiles/fail-%v.json", name))
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if err != nil {
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return nil, err
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}
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var testcases []precompiledFailureTest
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err = json.Unmarshal(data, &testcases)
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return testcases, err
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}
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// BenchmarkPrecompiledBLS12381G1MultiExpWorstCase benchmarks the worst case we could find that still fits a gaslimit of 10MGas.
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func BenchmarkPrecompiledBLS12381G1MultiExpWorstCase(b *testing.B) {
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task := "0000000000000000000000000000000008d8c4a16fb9d8800cce987c0eadbb6b3b005c213d44ecb5adeed713bae79d606041406df26169c35df63cf972c94be1" +
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"0000000000000000000000000000000011bc8afe71676e6730702a46ef817060249cd06cd82e6981085012ff6d013aa4470ba3a2c71e13ef653e1e223d1ccfe9" +
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
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input := task
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for i := 0; i < 4787; i++ {
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input = input + task
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}
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testcase := precompiledTest{
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Input: input,
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Expected: "0000000000000000000000000000000005a6310ea6f2a598023ae48819afc292b4dfcb40aabad24a0c2cb6c19769465691859eeb2a764342a810c5038d700f18000000000000000000000000000000001268ac944437d15923dc0aec00daa9250252e43e4b35ec7a19d01f0d6cd27f6e139d80dae16ba1c79cc7f57055a93ff5",
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Name: "WorstCaseG1",
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NoBenchmark: false,
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}
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benchmarkPrecompiled("0c", testcase, b)
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}
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// BenchmarkPrecompiledBLS12381G2MultiExpWorstCase benchmarks the worst case we could find that still fits a gaslimit of 10MGas.
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func BenchmarkPrecompiledBLS12381G2MultiExpWorstCase(b *testing.B) {
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task := "000000000000000000000000000000000d4f09acd5f362e0a516d4c13c5e2f504d9bd49fdfb6d8b7a7ab35a02c391c8112b03270d5d9eefe9b659dd27601d18f" +
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"000000000000000000000000000000000fd489cb75945f3b5ebb1c0e326d59602934c8f78fe9294a8877e7aeb95de5addde0cb7ab53674df8b2cfbb036b30b99" +
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"00000000000000000000000000000000055dbc4eca768714e098bbe9c71cf54b40f51c26e95808ee79225a87fb6fa1415178db47f02d856fea56a752d185f86b" +
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"000000000000000000000000000000001239b7640f416eb6e921fe47f7501d504fadc190d9cf4e89ae2b717276739a2f4ee9f637c35e23c480df029fd8d247c7" +
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"FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"
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input := task
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for i := 0; i < 1040; i++ {
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input = input + task
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}
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testcase := precompiledTest{
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Input: input,
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Expected: "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",
|
|
Name: "WorstCaseG2",
|
|
NoBenchmark: false,
|
|
}
|
|
benchmarkPrecompiled("0f", testcase, b)
|
|
}
|