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95 lines
3.4 KiB
C++
95 lines
3.4 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-present The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include <outputtype.h>
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#include <pubkey.h>
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#include <script/script.h>
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#include <script/sign.h>
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#include <script/signingprovider.h>
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#include <cassert>
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#include <optional>
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#include <string>
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static const std::string OUTPUT_TYPE_STRING_LEGACY = "legacy";
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static const std::string OUTPUT_TYPE_STRING_P2SH_SEGWIT = "p2sh-segwit";
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static const std::string OUTPUT_TYPE_STRING_BECH32 = "bech32";
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static const std::string OUTPUT_TYPE_STRING_BECH32M = "bech32m";
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static const std::string OUTPUT_TYPE_STRING_UNKNOWN = "unknown";
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std::optional<OutputType> ParseOutputType(const std::string& type)
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{
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if (type == OUTPUT_TYPE_STRING_LEGACY) {
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return OutputType::LEGACY;
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} else if (type == OUTPUT_TYPE_STRING_P2SH_SEGWIT) {
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return OutputType::P2SH_SEGWIT;
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} else if (type == OUTPUT_TYPE_STRING_BECH32) {
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return OutputType::BECH32;
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} else if (type == OUTPUT_TYPE_STRING_BECH32M) {
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return OutputType::BECH32M;
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}
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return std::nullopt;
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}
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const std::string& FormatOutputType(OutputType type)
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{
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switch (type) {
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case OutputType::LEGACY: return OUTPUT_TYPE_STRING_LEGACY;
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case OutputType::P2SH_SEGWIT: return OUTPUT_TYPE_STRING_P2SH_SEGWIT;
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case OutputType::BECH32: return OUTPUT_TYPE_STRING_BECH32;
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case OutputType::BECH32M: return OUTPUT_TYPE_STRING_BECH32M;
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case OutputType::UNKNOWN: return OUTPUT_TYPE_STRING_UNKNOWN;
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} // no default case, so the compiler can warn about missing cases
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assert(false);
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}
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std::string FormatAllOutputTypes()
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{
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return util::Join(OUTPUT_TYPES, ", ", [](const auto& i) { return "\"" + FormatOutputType(i) + "\""; });
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}
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CTxDestination AddAndGetDestinationForScript(FlatSigningProvider& keystore, const CScript& script, OutputType type)
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{
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// Add script to keystore
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keystore.scripts.emplace(CScriptID(script), script);
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switch (type) {
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case OutputType::LEGACY:
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return ScriptHash(script);
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case OutputType::P2SH_SEGWIT:
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case OutputType::BECH32: {
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CTxDestination witdest = WitnessV0ScriptHash(script);
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CScript witprog = GetScriptForDestination(witdest);
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// Add the redeemscript, so that P2WSH and P2SH-P2WSH outputs are recognized as ours.
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keystore.scripts.emplace(CScriptID(witprog), witprog);
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if (type == OutputType::BECH32) {
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return witdest;
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} else {
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return ScriptHash(witprog);
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}
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}
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case OutputType::BECH32M:
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case OutputType::UNKNOWN: {} // This function should not be used for BECH32M or UNKNOWN, so let it assert
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} // no default case, so the compiler can warn about missing cases
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assert(false);
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}
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std::optional<OutputType> OutputTypeFromDestination(const CTxDestination& dest) {
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if (std::holds_alternative<PKHash>(dest) ||
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std::holds_alternative<ScriptHash>(dest)) {
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return OutputType::LEGACY;
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}
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if (std::holds_alternative<WitnessV0KeyHash>(dest) ||
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std::holds_alternative<WitnessV0ScriptHash>(dest)) {
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return OutputType::BECH32;
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}
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if (std::holds_alternative<WitnessV1Taproot>(dest) ||
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std::holds_alternative<WitnessUnknown>(dest)) {
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return OutputType::BECH32M;
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}
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return std::nullopt;
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}
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