Inside Bitcoin
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Inside Bitcoin
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The code behind the network, with room to understand it.
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1// Copyright (c) 2020-present The Bitcoin Core developers2// Distributed under the MIT software license, see the accompanying3// file COPYING or http://www.opensource.org/licenses/mit-license.php.5#include <script/script.h>6#include <test/fuzz/FuzzedDataProvider.h>7#include <test/fuzz/fuzz.h>8#include <test/fuzz/util.h>10#include <cstdint>11#include <string>12#include <vector>14FUZZ_TARGET(script_ops)15{16FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());17CScript script_mut = ConsumeScript(fuzzed_data_provider);18LIMITED_WHILE (fuzzed_data_provider.remaining_bytes() > 0, 1000000) {19CallOneOf(20fuzzed_data_provider,21[&] {22CScript s = ConsumeScript(fuzzed_data_provider);23script_mut = std::move(s);24},25[&] {26const CScript& s = ConsumeScript(fuzzed_data_provider);27script_mut = s;28},29[&] {30script_mut << fuzzed_data_provider.ConsumeIntegral<int64_t>();31},32[&] {33script_mut << ConsumeOpcodeType(fuzzed_data_provider);34},35[&] {36script_mut << ConsumeScriptNum(fuzzed_data_provider);37},38[&] {39script_mut << ConsumeRandomLengthByteVector(fuzzed_data_provider);40},41[&] {42script_mut.clear();43});44}45const CScript& script = script_mut;46(void)script.GetSigOpCount(false);47(void)script.GetSigOpCount(true);48(void)script.GetSigOpCount(script);49(void)script.HasValidOps();50(void)script.IsPayToScriptHash();51(void)script.IsPayToAnchor();52(void)script.IsPayToWitnessScriptHash();53(void)script.IsPushOnly();54(void)script.IsUnspendable();55{56CScript::const_iterator pc = script.begin();57opcodetype opcode;58(void)script.GetOp(pc, opcode);59std::vector<uint8_t> data;60(void)script.GetOp(pc, opcode, data);61(void)script.IsPushOnly(pc);62}63{64int version;65std::vector<uint8_t> program;66(void)script.IsWitnessProgram(version, program);67}68}
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