mirror of
https://github.com/ethereum/go-ethereum.git
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70 lines
2.8 KiB
Go
70 lines
2.8 KiB
Go
// Copyright 2023 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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"testing"
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"github.com/ethereum/go-ethereum/common"
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)
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// allPrecompiles does not map to the actual set of precompiles, as it also contains
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// repriced versions of precompiles at certain slots
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var allPrecompiles = map[common.Address]PrecompiledContract{
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common.BytesToAddress([]byte{1}): &ecrecover{},
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common.BytesToAddress([]byte{2}): &sha256hash{},
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common.BytesToAddress([]byte{3}): &ripemd160hash{},
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common.BytesToAddress([]byte{4}): &dataCopy{},
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common.BytesToAddress([]byte{5}): &bigModExp{eip2565: false},
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common.BytesToAddress([]byte{0xf5}): &bigModExp{eip2565: true},
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common.BytesToAddress([]byte{6}): &bn256AddIstanbul{},
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common.BytesToAddress([]byte{7}): &bn256ScalarMulIstanbul{},
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common.BytesToAddress([]byte{8}): &bn256PairingIstanbul{},
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common.BytesToAddress([]byte{9}): &blake2F{},
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common.BytesToAddress([]byte{0x0a}): &kzgPointEvaluation{},
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common.BytesToAddress([]byte{0x0f, 0x0a}): &bls12381G1Add{},
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common.BytesToAddress([]byte{0x0f, 0x0b}): &bls12381G1Mul{},
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common.BytesToAddress([]byte{0x0f, 0x0c}): &bls12381G1MultiExp{},
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common.BytesToAddress([]byte{0x0f, 0x0d}): &bls12381G2Add{},
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common.BytesToAddress([]byte{0x0f, 0x0e}): &bls12381G2Mul{},
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common.BytesToAddress([]byte{0x0f, 0x0f}): &bls12381G2MultiExp{},
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common.BytesToAddress([]byte{0x0f, 0x10}): &bls12381Pairing{},
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common.BytesToAddress([]byte{0x0f, 0x11}): &bls12381MapG1{},
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common.BytesToAddress([]byte{0x0f, 0x12}): &bls12381MapG2{},
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}
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func FuzzPrecompiledContracts(f *testing.F) {
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// Create list of addresses
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var addrs []common.Address
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for k := range allPrecompiles {
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addrs = append(addrs, k)
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}
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f.Fuzz(func(t *testing.T, addr uint8, input []byte) {
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a := addrs[int(int(addr)%len(addrs))]
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p := allPrecompiles[a]
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gas := p.RequiredGas(input)
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if gas > 10_000_000 {
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return
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}
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inWant := string(input)
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RunPrecompiledContract(p, input, gas)
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if inHave := string(input); inWant != inHave {
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t.Errorf("Precompiled %v modified input data", a)
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}
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})
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}
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