diff options
Diffstat (limited to 'src/script')
| -rw-r--r-- | src/script/descriptor.cpp | 158 | ||||
| -rw-r--r-- | src/script/descriptor.h | 7 | ||||
| -rw-r--r-- | src/script/interpreter.cpp | 6 | ||||
| -rw-r--r-- | src/script/standard.cpp | 2 | ||||
| -rw-r--r-- | src/script/standard.h | 2 |
5 files changed, 132 insertions, 43 deletions
diff --git a/src/script/descriptor.cpp b/src/script/descriptor.cpp index 9e4b8a9dd6..30399dca51 100644 --- a/src/script/descriptor.cpp +++ b/src/script/descriptor.cpp @@ -17,6 +17,7 @@ #include <util/vector.h> #include <memory> +#include <optional> #include <string> #include <vector> @@ -179,6 +180,9 @@ public: /** Get the descriptor string form including private data (if available in arg). */ virtual bool ToPrivateString(const SigningProvider& arg, std::string& out) const = 0; + /** Get the descriptor string form with the xpub at the last hardened derivation */ + virtual bool ToNormalizedString(const SigningProvider& arg, std::string& out, bool priv) const = 0; + /** Derive a private key, if private data is available in arg. */ virtual bool GetPrivKey(int pos, const SigningProvider& arg, CKey& key) const = 0; }; @@ -212,6 +216,21 @@ public: ret = "[" + OriginString() + "]" + std::move(sub); return true; } + bool ToNormalizedString(const SigningProvider& arg, std::string& ret, bool priv) const override + { + std::string sub; + if (!m_provider->ToNormalizedString(arg, sub, priv)) return false; + // If m_provider is a BIP32PubkeyProvider, we may get a string formatted like a OriginPubkeyProvider + // In that case, we need to strip out the leading square bracket and fingerprint from the substring, + // and append that to our own origin string. + if (sub[0] == '[') { + sub = sub.substr(9); + ret = "[" + OriginString() + std::move(sub); + } else { + ret = "[" + OriginString() + "]" + std::move(sub); + } + return true; + } bool GetPrivKey(int pos, const SigningProvider& arg, CKey& key) const override { return m_provider->GetPrivKey(pos, arg, key); @@ -243,6 +262,12 @@ public: ret = EncodeSecret(key); return true; } + bool ToNormalizedString(const SigningProvider& arg, std::string& ret, bool priv) const override + { + if (priv) return ToPrivateString(arg, ret); + ret = ToString(); + return true; + } bool GetPrivKey(int pos, const SigningProvider& arg, CKey& key) const override { return arg.GetKey(m_pubkey.GetID(), key); @@ -386,6 +411,56 @@ public: } return true; } + bool ToNormalizedString(const SigningProvider& arg, std::string& out, bool priv) const override + { + // For hardened derivation type, just return the typical string, nothing to normalize + if (m_derive == DeriveType::HARDENED) { + if (priv) return ToPrivateString(arg, out); + out = ToString(); + return true; + } + // Step backwards to find the last hardened step in the path + int i = (int)m_path.size() - 1; + for (; i >= 0; --i) { + if (m_path.at(i) >> 31) { + break; + } + } + // Either no derivation or all unhardened derivation + if (i == -1) { + if (priv) return ToPrivateString(arg, out); + out = ToString(); + return true; + } + // Derive the xpub at the last hardened step + CExtKey xprv; + if (!GetExtKey(arg, xprv)) return false; + KeyOriginInfo origin; + int k = 0; + for (; k <= i; ++k) { + // Derive + xprv.Derive(xprv, m_path.at(k)); + // Add to the path + origin.path.push_back(m_path.at(k)); + // First derivation element, get the fingerprint for origin + if (k == 0) { + std::copy(xprv.vchFingerprint, xprv.vchFingerprint + 4, origin.fingerprint); + } + } + // Build the remaining path + KeyPath end_path; + for (; k < (int)m_path.size(); ++k) { + end_path.push_back(m_path.at(k)); + } + // Build the string + std::string origin_str = HexStr(origin.fingerprint) + FormatHDKeypath(origin.path); + out = "[" + origin_str + "]" + (priv ? EncodeExtKey(xprv) : EncodeExtPubKey(xprv.Neuter())) + FormatHDKeypath(end_path); + if (IsRange()) { + out += "/*"; + assert(m_derive == DeriveType::UNHARDENED); + } + return true; + } bool GetPrivKey(int pos, const SigningProvider& arg, CKey& key) const override { CExtKey extkey; @@ -449,7 +524,7 @@ public: return false; } - bool ToStringHelper(const SigningProvider* arg, std::string& out, bool priv) const + bool ToStringHelper(const SigningProvider* arg, std::string& out, bool priv, bool normalized) const { std::string extra = ToStringExtra(); size_t pos = extra.size() > 0 ? 1 : 0; @@ -457,7 +532,9 @@ public: for (const auto& pubkey : m_pubkey_args) { if (pos++) ret += ","; std::string tmp; - if (priv) { + if (normalized) { + if (!pubkey->ToNormalizedString(*arg, tmp, priv)) return false; + } else if (priv) { if (!pubkey->ToPrivateString(*arg, tmp)) return false; } else { tmp = pubkey->ToString(); @@ -467,7 +544,7 @@ public: if (m_subdescriptor_arg) { if (pos++) ret += ","; std::string tmp; - if (!m_subdescriptor_arg->ToStringHelper(arg, tmp, priv)) return false; + if (!m_subdescriptor_arg->ToStringHelper(arg, tmp, priv, normalized)) return false; ret += std::move(tmp); } out = std::move(ret) + ")"; @@ -477,13 +554,20 @@ public: std::string ToString() const final { std::string ret; - ToStringHelper(nullptr, ret, false); + ToStringHelper(nullptr, ret, false, false); return AddChecksum(ret); } bool ToPrivateString(const SigningProvider& arg, std::string& out) const final { - bool ret = ToStringHelper(&arg, out, true); + bool ret = ToStringHelper(&arg, out, true, false); + out = AddChecksum(out); + return ret; + } + + bool ToNormalizedString(const SigningProvider& arg, std::string& out, bool priv) const override final + { + bool ret = ToStringHelper(&arg, out, priv, true); out = AddChecksum(out); return ret; } @@ -549,7 +633,7 @@ public: } } - Optional<OutputType> GetOutputType() const override { return nullopt; } + std::optional<OutputType> GetOutputType() const override { return std::nullopt; } }; /** A parsed addr(A) descriptor. */ @@ -563,7 +647,7 @@ public: AddressDescriptor(CTxDestination destination) : DescriptorImpl({}, {}, "addr"), m_destination(std::move(destination)) {} bool IsSolvable() const final { return false; } - Optional<OutputType> GetOutputType() const override + std::optional<OutputType> GetOutputType() const override { switch (m_destination.index()) { case 1 /* PKHash */: @@ -572,7 +656,7 @@ public: case 4 /* WitnessV0KeyHash */: case 5 /* WitnessUnknown */: return OutputType::BECH32; case 0 /* CNoDestination */: - default: return nullopt; + default: return std::nullopt; } } bool IsSingleType() const final { return true; } @@ -589,7 +673,7 @@ public: RawDescriptor(CScript script) : DescriptorImpl({}, {}, "raw"), m_script(std::move(script)) {} bool IsSolvable() const final { return false; } - Optional<OutputType> GetOutputType() const override + std::optional<OutputType> GetOutputType() const override { CTxDestination dest; ExtractDestination(m_script, dest); @@ -600,7 +684,7 @@ public: case 4 /* WitnessV0KeyHash */: case 5 /* WitnessUnknown */: return OutputType::BECH32; case 0 /* CNoDestination */: - default: return nullopt; + default: return std::nullopt; } } bool IsSingleType() const final { return true; } @@ -628,7 +712,7 @@ protected: } public: PKHDescriptor(std::unique_ptr<PubkeyProvider> prov) : DescriptorImpl(Vector(std::move(prov)), {}, "pkh") {} - Optional<OutputType> GetOutputType() const override { return OutputType::LEGACY; } + std::optional<OutputType> GetOutputType() const override { return OutputType::LEGACY; } bool IsSingleType() const final { return true; } }; @@ -644,7 +728,7 @@ protected: } public: WPKHDescriptor(std::unique_ptr<PubkeyProvider> prov) : DescriptorImpl(Vector(std::move(prov)), {}, "wpkh") {} - Optional<OutputType> GetOutputType() const override { return OutputType::BECH32; } + std::optional<OutputType> GetOutputType() const override { return OutputType::BECH32; } bool IsSingleType() const final { return true; } }; @@ -700,7 +784,7 @@ protected: public: SHDescriptor(std::unique_ptr<DescriptorImpl> desc) : DescriptorImpl({}, std::move(desc), "sh") {} - Optional<OutputType> GetOutputType() const override + std::optional<OutputType> GetOutputType() const override { assert(m_subdescriptor_arg); if (m_subdescriptor_arg->GetOutputType() == OutputType::BECH32) return OutputType::P2SH_SEGWIT; @@ -716,7 +800,7 @@ protected: std::vector<CScript> MakeScripts(const std::vector<CPubKey>&, const CScript* script, FlatSigningProvider&) const override { return Vector(GetScriptForDestination(WitnessV0ScriptHash(*script))); } public: WSHDescriptor(std::unique_ptr<DescriptorImpl> desc) : DescriptorImpl({}, std::move(desc), "wsh") {} - Optional<OutputType> GetOutputType() const override { return OutputType::BECH32; } + std::optional<OutputType> GetOutputType() const override { return OutputType::BECH32; } bool IsSingleType() const final { return true; } }; @@ -770,7 +854,7 @@ std::unique_ptr<PubkeyProvider> ParsePubkeyInner(uint32_t key_exp_index, const S CPubKey pubkey(data); if (pubkey.IsFullyValid()) { if (permit_uncompressed || pubkey.IsCompressed()) { - return MakeUnique<ConstPubkeyProvider>(key_exp_index, pubkey); + return std::make_unique<ConstPubkeyProvider>(key_exp_index, pubkey); } else { error = "Uncompressed keys are not allowed"; return nullptr; @@ -784,7 +868,7 @@ std::unique_ptr<PubkeyProvider> ParsePubkeyInner(uint32_t key_exp_index, const S if (permit_uncompressed || key.IsCompressed()) { CPubKey pubkey = key.GetPubKey(); out.keys.emplace(pubkey.GetID(), key); - return MakeUnique<ConstPubkeyProvider>(key_exp_index, pubkey); + return std::make_unique<ConstPubkeyProvider>(key_exp_index, pubkey); } else { error = "Uncompressed keys are not allowed"; return nullptr; @@ -811,7 +895,7 @@ std::unique_ptr<PubkeyProvider> ParsePubkeyInner(uint32_t key_exp_index, const S extpubkey = extkey.Neuter(); out.keys.emplace(extpubkey.pubkey.GetID(), extkey.key); } - return MakeUnique<BIP32PubkeyProvider>(key_exp_index, extpubkey, std::move(path), type); + return std::make_unique<BIP32PubkeyProvider>(key_exp_index, extpubkey, std::move(path), type); } /** Parse a public key including origin information (if enabled). */ @@ -848,7 +932,7 @@ std::unique_ptr<PubkeyProvider> ParsePubkey(uint32_t key_exp_index, const Span<c if (!ParseKeyPath(slash_split, info.path, error)) return nullptr; auto provider = ParsePubkeyInner(key_exp_index, origin_split[1], permit_uncompressed, out, error); if (!provider) return nullptr; - return MakeUnique<OriginPubkeyProvider>(key_exp_index, std::move(info), std::move(provider)); + return std::make_unique<OriginPubkeyProvider>(key_exp_index, std::move(info), std::move(provider)); } /** Parse a script in a particular context. */ @@ -861,17 +945,17 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c if (Func("pk", expr)) { auto pubkey = ParsePubkey(key_exp_index, expr, ctx != ParseScriptContext::P2WSH, out, error); if (!pubkey) return nullptr; - return MakeUnique<PKDescriptor>(std::move(pubkey)); + return std::make_unique<PKDescriptor>(std::move(pubkey)); } if (Func("pkh", expr)) { auto pubkey = ParsePubkey(key_exp_index, expr, ctx != ParseScriptContext::P2WSH, out, error); if (!pubkey) return nullptr; - return MakeUnique<PKHDescriptor>(std::move(pubkey)); + return std::make_unique<PKHDescriptor>(std::move(pubkey)); } if (ctx == ParseScriptContext::TOP && Func("combo", expr)) { auto pubkey = ParsePubkey(key_exp_index, expr, true, out, error); if (!pubkey) return nullptr; - return MakeUnique<ComboDescriptor>(std::move(pubkey)); + return std::make_unique<ComboDescriptor>(std::move(pubkey)); } else if (ctx != ParseScriptContext::TOP && Func("combo", expr)) { error = "Cannot have combo in non-top level"; return nullptr; @@ -919,12 +1003,12 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c return nullptr; } } - return MakeUnique<MultisigDescriptor>(thres, std::move(providers), sorted_multi); + return std::make_unique<MultisigDescriptor>(thres, std::move(providers), sorted_multi); } if (ctx != ParseScriptContext::P2WSH && Func("wpkh", expr)) { auto pubkey = ParsePubkey(key_exp_index, expr, false, out, error); if (!pubkey) return nullptr; - return MakeUnique<WPKHDescriptor>(std::move(pubkey)); + return std::make_unique<WPKHDescriptor>(std::move(pubkey)); } else if (ctx == ParseScriptContext::P2WSH && Func("wpkh", expr)) { error = "Cannot have wpkh within wsh"; return nullptr; @@ -932,7 +1016,7 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c if (ctx == ParseScriptContext::TOP && Func("sh", expr)) { auto desc = ParseScript(key_exp_index, expr, ParseScriptContext::P2SH, out, error); if (!desc || expr.size()) return nullptr; - return MakeUnique<SHDescriptor>(std::move(desc)); + return std::make_unique<SHDescriptor>(std::move(desc)); } else if (ctx != ParseScriptContext::TOP && Func("sh", expr)) { error = "Cannot have sh in non-top level"; return nullptr; @@ -940,7 +1024,7 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c if (ctx != ParseScriptContext::P2WSH && Func("wsh", expr)) { auto desc = ParseScript(key_exp_index, expr, ParseScriptContext::P2WSH, out, error); if (!desc || expr.size()) return nullptr; - return MakeUnique<WSHDescriptor>(std::move(desc)); + return std::make_unique<WSHDescriptor>(std::move(desc)); } else if (ctx == ParseScriptContext::P2WSH && Func("wsh", expr)) { error = "Cannot have wsh within wsh"; return nullptr; @@ -951,7 +1035,7 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c error = "Address is not valid"; return nullptr; } - return MakeUnique<AddressDescriptor>(std::move(dest)); + return std::make_unique<AddressDescriptor>(std::move(dest)); } if (ctx == ParseScriptContext::TOP && Func("raw", expr)) { std::string str(expr.begin(), expr.end()); @@ -960,7 +1044,7 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c return nullptr; } auto bytes = ParseHex(str); - return MakeUnique<RawDescriptor>(CScript(bytes.begin(), bytes.end())); + return std::make_unique<RawDescriptor>(CScript(bytes.begin(), bytes.end())); } if (ctx == ParseScriptContext::P2SH) { error = "A function is needed within P2SH"; @@ -975,10 +1059,10 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c std::unique_ptr<PubkeyProvider> InferPubkey(const CPubKey& pubkey, ParseScriptContext, const SigningProvider& provider) { - std::unique_ptr<PubkeyProvider> key_provider = MakeUnique<ConstPubkeyProvider>(0, pubkey); + std::unique_ptr<PubkeyProvider> key_provider = std::make_unique<ConstPubkeyProvider>(0, pubkey); KeyOriginInfo info; if (provider.GetKeyOrigin(pubkey.GetID(), info)) { - return MakeUnique<OriginPubkeyProvider>(0, std::move(info), std::move(key_provider)); + return std::make_unique<OriginPubkeyProvider>(0, std::move(info), std::move(key_provider)); } return key_provider; } @@ -991,7 +1075,7 @@ std::unique_ptr<DescriptorImpl> InferScript(const CScript& script, ParseScriptCo if (txntype == TxoutType::PUBKEY) { CPubKey pubkey(data[0].begin(), data[0].end()); if (pubkey.IsValid()) { - return MakeUnique<PKDescriptor>(InferPubkey(pubkey, ctx, provider)); + return std::make_unique<PKDescriptor>(InferPubkey(pubkey, ctx, provider)); } } if (txntype == TxoutType::PUBKEYHASH) { @@ -999,7 +1083,7 @@ std::unique_ptr<DescriptorImpl> InferScript(const CScript& script, ParseScriptCo CKeyID keyid(hash); CPubKey pubkey; if (provider.GetPubKey(keyid, pubkey)) { - return MakeUnique<PKHDescriptor>(InferPubkey(pubkey, ctx, provider)); + return std::make_unique<PKHDescriptor>(InferPubkey(pubkey, ctx, provider)); } } if (txntype == TxoutType::WITNESS_V0_KEYHASH && ctx != ParseScriptContext::P2WSH) { @@ -1007,7 +1091,7 @@ std::unique_ptr<DescriptorImpl> InferScript(const CScript& script, ParseScriptCo CKeyID keyid(hash); CPubKey pubkey; if (provider.GetPubKey(keyid, pubkey)) { - return MakeUnique<WPKHDescriptor>(InferPubkey(pubkey, ctx, provider)); + return std::make_unique<WPKHDescriptor>(InferPubkey(pubkey, ctx, provider)); } } if (txntype == TxoutType::MULTISIG) { @@ -1016,7 +1100,7 @@ std::unique_ptr<DescriptorImpl> InferScript(const CScript& script, ParseScriptCo CPubKey pubkey(data[i].begin(), data[i].end()); providers.push_back(InferPubkey(pubkey, ctx, provider)); } - return MakeUnique<MultisigDescriptor>((int)data[0][0], std::move(providers)); + return std::make_unique<MultisigDescriptor>((int)data[0][0], std::move(providers)); } if (txntype == TxoutType::SCRIPTHASH && ctx == ParseScriptContext::TOP) { uint160 hash(data[0]); @@ -1024,7 +1108,7 @@ std::unique_ptr<DescriptorImpl> InferScript(const CScript& script, ParseScriptCo CScript subscript; if (provider.GetCScript(scriptid, subscript)) { auto sub = InferScript(subscript, ParseScriptContext::P2SH, provider); - if (sub) return MakeUnique<SHDescriptor>(std::move(sub)); + if (sub) return std::make_unique<SHDescriptor>(std::move(sub)); } } if (txntype == TxoutType::WITNESS_V0_SCRIPTHASH && ctx != ParseScriptContext::P2WSH) { @@ -1033,18 +1117,18 @@ std::unique_ptr<DescriptorImpl> InferScript(const CScript& script, ParseScriptCo CScript subscript; if (provider.GetCScript(scriptid, subscript)) { auto sub = InferScript(subscript, ParseScriptContext::P2WSH, provider); - if (sub) return MakeUnique<WSHDescriptor>(std::move(sub)); + if (sub) return std::make_unique<WSHDescriptor>(std::move(sub)); } } CTxDestination dest; if (ExtractDestination(script, dest)) { if (GetScriptForDestination(dest) == script) { - return MakeUnique<AddressDescriptor>(std::move(dest)); + return std::make_unique<AddressDescriptor>(std::move(dest)); } } - return MakeUnique<RawDescriptor>(script); + return std::make_unique<RawDescriptor>(script); } diff --git a/src/script/descriptor.h b/src/script/descriptor.h index 17b43e7c81..332ae2f230 100644 --- a/src/script/descriptor.h +++ b/src/script/descriptor.h @@ -5,12 +5,12 @@ #ifndef BITCOIN_SCRIPT_DESCRIPTOR_H #define BITCOIN_SCRIPT_DESCRIPTOR_H -#include <optional.h> #include <outputtype.h> #include <script/script.h> #include <script/sign.h> #include <script/signingprovider.h> +#include <optional> #include <vector> using ExtPubKeyMap = std::unordered_map<uint32_t, CExtPubKey>; @@ -93,6 +93,9 @@ struct Descriptor { /** Convert the descriptor to a private string. This fails if the provided provider does not have the relevant private keys. */ virtual bool ToPrivateString(const SigningProvider& provider, std::string& out) const = 0; + /** Convert the descriptor to a normalized string. Normalized descriptors have the xpub at the last hardened step. This fails if the provided provider does not have the private keys to derive that xpub. */ + virtual bool ToNormalizedString(const SigningProvider& provider, std::string& out, bool priv) const = 0; + /** Expand a descriptor at a specified position. * * @param[in] pos The position at which to expand the descriptor. If IsRange() is false, this is ignored. @@ -121,7 +124,7 @@ struct Descriptor { virtual void ExpandPrivate(int pos, const SigningProvider& provider, FlatSigningProvider& out) const = 0; /** @return The OutputType of the scriptPubKey(s) produced by this descriptor. Or nullopt if indeterminate (multiple or none) */ - virtual Optional<OutputType> GetOutputType() const = 0; + virtual std::optional<OutputType> GetOutputType() const = 0; }; /** Parse a `descriptor` string. Included private keys are put in `out`. diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp index ecac3b9e7e..20a4ce48b0 100644 --- a/src/script/interpreter.cpp +++ b/src/script/interpreter.cpp @@ -1834,7 +1834,7 @@ static bool ExecuteWitnessScript(const Span<const valtype>& stack_span, const CS static bool VerifyTaprootCommitment(const std::vector<unsigned char>& control, const std::vector<unsigned char>& program, const CScript& script, uint256& tapleaf_hash) { const int path_len = (control.size() - TAPROOT_CONTROL_BASE_SIZE) / TAPROOT_CONTROL_NODE_SIZE; - //! The inner pubkey (x-only, so no Y coordinate parity). + //! The internal pubkey (x-only, so no Y coordinate parity). const XOnlyPubKey p{uint256(std::vector<unsigned char>(control.begin() + 1, control.begin() + TAPROOT_CONTROL_BASE_SIZE))}; //! The output pubkey (taken from the scriptPubKey). const XOnlyPubKey q{uint256(program)}; @@ -1852,9 +1852,9 @@ static bool VerifyTaprootCommitment(const std::vector<unsigned char>& control, c } k = ss_branch.GetSHA256(); } - // Compute the tweak from the Merkle root and the inner pubkey. + // Compute the tweak from the Merkle root and the internal pubkey. k = (CHashWriter(HASHER_TAPTWEAK) << MakeSpan(p) << k).GetSHA256(); - // Verify that the output pubkey matches the tweaked inner pubkey, after correcting for parity. + // Verify that the output pubkey matches the tweaked internal pubkey, after correcting for parity. return q.CheckPayToContract(p, k, control[0] & 1); } diff --git a/src/script/standard.cpp b/src/script/standard.cpp index 4d882cd1f1..700155c8d4 100644 --- a/src/script/standard.cpp +++ b/src/script/standard.cpp @@ -220,7 +220,6 @@ bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet) return true; } case TxoutType::MULTISIG: - // Multisig txns have more than one address... case TxoutType::NULL_DATA: case TxoutType::NONSTANDARD: return false; @@ -228,6 +227,7 @@ bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet) assert(false); } +// TODO: from v23 ("addresses" and "reqSigs" deprecated) "ExtractDestinations" should be removed bool ExtractDestinations(const CScript& scriptPubKey, TxoutType& typeRet, std::vector<CTxDestination>& addressRet, int& nRequiredRet) { addressRet.clear(); diff --git a/src/script/standard.h b/src/script/standard.h index d5d87392ad..f2bf4a8af3 100644 --- a/src/script/standard.h +++ b/src/script/standard.h @@ -247,6 +247,8 @@ bool ExtractDestination(const CScript& scriptPubKey, CTxDestination& addressRet) * Note: this function confuses destinations (a subset of CScripts that are * encodable as an address) with key identifiers (of keys involved in a * CScript), and its use should be phased out. + * + * TODO: from v23 ("addresses" and "reqSigs" deprecated) "ExtractDestinations" should be removed */ bool ExtractDestinations(const CScript& scriptPubKey, TxoutType& typeRet, std::vector<CTxDestination>& addressRet, int& nRequiredRet); |