/tmp/bitcoin/src/outputtype.cpp

Source
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-present The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.

#include <outputtype.h>

#include <pubkey.h>
#include <script/script.h>
#include <script/sign.h>
#include <script/signingprovider.h>

#include <cassert>
#include <optional>
#include <string>

static const std::string OUTPUT_TYPE_STRING_LEGACY = "legacy";
static const std::string OUTPUT_TYPE_STRING_P2SH_SEGWIT = "p2sh-segwit";
static const std::string OUTPUT_TYPE_STRING_BECH32 = "bech32";
static const std::string OUTPUT_TYPE_STRING_BECH32M = "bech32m";
static const std::string OUTPUT_TYPE_STRING_UNKNOWN = "unknown";

std::optional<OutputType> ParseOutputType(std::string_view type)
{
    if (type == OUTPUT_TYPE_STRING_LEGACY) {
        return OutputType::LEGACY;
    } else if (type == OUTPUT_TYPE_STRING_P2SH_SEGWIT) {
        return OutputType::P2SH_SEGWIT;
    } else if (type == OUTPUT_TYPE_STRING_BECH32) {
        return OutputType::BECH32;
    } else if (type == OUTPUT_TYPE_STRING_BECH32M) {
        return OutputType::BECH32M;
    }
    return std::nullopt;
}

const std::string& FormatOutputType(OutputType type)
{
    switch (type) {
    case OutputType::LEGACY: return OUTPUT_TYPE_STRING_LEGACY;
    case OutputType::P2SH_SEGWIT: return OUTPUT_TYPE_STRING_P2SH_SEGWIT;
    case OutputType::BECH32: return OUTPUT_TYPE_STRING_BECH32;
    case OutputType::BECH32M: return OUTPUT_TYPE_STRING_BECH32M;
    case OutputType::UNKNOWN: return OUTPUT_TYPE_STRING_UNKNOWN;
    } // no default case, so the compiler can warn about missing cases
    assert(false);
}

std::string FormatAllOutputTypes()
{
    return util::Join(OUTPUT_TYPES, ", ", [](const auto& i) { return "\"" + FormatOutputType(i) + "\""; });
}

CTxDestination AddAndGetDestinationForScript(FlatSigningProvider& keystore, const CScript& script, OutputType type)
{
    // Add script to keystore
    keystore.scripts.emplace(CScriptID(script), script);

    switch (type) {
    case OutputType::LEGACY:
        return ScriptHash(script);
    case OutputType::P2SH_SEGWIT:
    case OutputType::BECH32: {
        CTxDestination witdest = WitnessV0ScriptHash(script);
        CScript witprog = GetScriptForDestination(witdest);
        // Add the redeemscript, so that P2WSH and P2SH-P2WSH outputs are recognized as ours.
        keystore.scripts.emplace(CScriptID(witprog), witprog);
        if (type == OutputType::BECH32) {
            return witdest;
        } else {
            return ScriptHash(witprog);
        }
    }
    case OutputType::BECH32M:
    case OutputType::UNKNOWN: {} // This function should not be used for BECH32M or UNKNOWN, so let it assert
    } // no default case, so the compiler can warn about missing cases
    assert(false);
}

std::optional<OutputType> OutputTypeFromDestination(const CTxDestination& dest) {
    if (std::holds_alternative<PKHash>(dest) ||
        std::holds_alternative<ScriptHash>(dest)) {
        return OutputType::LEGACY;
    }
    if (std::holds_alternative<WitnessV0KeyHash>(dest) ||
        std::holds_alternative<WitnessV0ScriptHash>(dest)) {
        return OutputType::BECH32;
    }
    if (std::holds_alternative<WitnessV1Taproot>(dest) ||
        std::holds_alternative<WitnessUnknown>(dest)) {
        return OutputType::BECH32M;
    }
    return std::nullopt;
}

Line	Count	Source
1		// Copyright (c) 2009-2010 Satoshi Nakamoto
2		// Copyright (c) 2009-present The Bitcoin Core developers
3		// Distributed under the MIT software license, see the accompanying
4		// file COPYING or http://www.opensource.org/licenses/mit-license.php.
5
6		#include <outputtype.h>
7
8		#include <pubkey.h>
9		#include <script/script.h>
10		#include <script/sign.h>
11		#include <script/signingprovider.h>
12
13		#include <cassert>
14		#include <optional>
15		#include <string>
16
17		static const std::string OUTPUT_TYPE_STRING_LEGACY = "legacy";
18		static const std::string OUTPUT_TYPE_STRING_P2SH_SEGWIT = "p2sh-segwit";
19		static const std::string OUTPUT_TYPE_STRING_BECH32 = "bech32";
20		static const std::string OUTPUT_TYPE_STRING_BECH32M = "bech32m";
21		static const std::string OUTPUT_TYPE_STRING_UNKNOWN = "unknown";
22
23		std::optional<OutputType> ParseOutputType(std::string_view type)
24	5.56k	{
25	5.56k	if (type == OUTPUT_TYPE_STRING_LEGACY) {
26	3.20k	return OutputType::LEGACY;
27	3.20k	} else if (type == OUTPUT_TYPE_STRING_P2SH_SEGWIT) {
28	748	return OutputType::P2SH_SEGWIT;
29	1.61k	} else if (type == OUTPUT_TYPE_STRING_BECH32) {
30	1.01k	return OutputType::BECH32;
31	1.01k	} else if (type == OUTPUT_TYPE_STRING_BECH32M) {
32	592	return OutputType::BECH32M;
33	592	}
34	6	return std::nullopt;
35	5.56k	}
36
37		const std::string& FormatOutputType(OutputType type)
38	93.9k	{
39	93.9k	switch (type) {
40	22.9k	case OutputType::LEGACY: return OUTPUT_TYPE_STRING_LEGACY;
41	22.9k	case OutputType::P2SH_SEGWIT: return OUTPUT_TYPE_STRING_P2SH_SEGWIT;
42	24.8k	case OutputType::BECH32: return OUTPUT_TYPE_STRING_BECH32;
43	23.1k	case OutputType::BECH32M: return OUTPUT_TYPE_STRING_BECH32M;
44	0	case OutputType::UNKNOWN: return OUTPUT_TYPE_STRING_UNKNOWN;
45	93.9k	} // no default case, so the compiler can warn about missing cases
46	93.9k	assert(false);
47	0	}
48
49		std::string FormatAllOutputTypes()
50	21.4k	{
51	85.9k	return util::Join(OUTPUT_TYPES, ", ", [](const auto& i) { return "\"" + FormatOutputType(i) + "\""; });
52	21.4k	}
53
54		CTxDestination AddAndGetDestinationForScript(FlatSigningProvider& keystore, const CScript& script, OutputType type)
55	79	{
56		// Add script to keystore
57	79	keystore.scripts.emplace(CScriptID(script), script);
58
59	79	switch (type) {
60	29	case OutputType::LEGACY:
61	29	return ScriptHash(script);
62	16	case OutputType::P2SH_SEGWIT:
63	50	case OutputType::BECH32: {
64	50	CTxDestination witdest = WitnessV0ScriptHash(script);
65	50	CScript witprog = GetScriptForDestination(witdest);
66		// Add the redeemscript, so that P2WSH and P2SH-P2WSH outputs are recognized as ours.
67	50	keystore.scripts.emplace(CScriptID(witprog), witprog);
68	50	if (type == OutputType::BECH32) {
69	34	return witdest;
70	34	} else {
71	16	return ScriptHash(witprog);
72	16	}
73	50	}
74	0	case OutputType::BECH32M:
75	0	case OutputType::UNKNOWN: {} // This function should not be used for BECH32M or UNKNOWN, so let it assert
76	79	} // no default case, so the compiler can warn about missing cases
77	79	assert(false);
78	0	}
79
80	162	std::optional<OutputType> OutputTypeFromDestination(const CTxDestination& dest) {
81	162	if (std::holds_alternative<PKHash>(dest) \|\|
82	162	std::holds_alternative<ScriptHash>(dest)) {
83	20	return OutputType::LEGACY;
84	20	}
85	142	if (std::holds_alternative<WitnessV0KeyHash>(dest) \|\|
86	142	std::holds_alternative<WitnessV0ScriptHash>(dest)) {
87	126	return OutputType::BECH32;
88	126	}
89	16	if (std::holds_alternative<WitnessV1Taproot>(dest) \|\|
90	16	std::holds_alternative<WitnessUnknown>(dest)) {
91	10	return OutputType::BECH32M;
92	10	}
93	6	return std::nullopt;
94	16	}

Coverage Report

Created: 2026-05-06 07:53