Function ParsePubkey

src/script/descriptor.cpp:450–485

}

std::unique_ptr<PubkeyProvider> ParsePubkey(const Span<const char>& sp, bool permit_uncompressed, FlatSigningProvider& out)
{
    auto split = Split(sp, '/');
    std::string str(split[0].begin(), split[0].end());
    if (split.size() == 1) {
        if (IsHex(str)) {
            std::vector<unsigned char> data = ParseHex(str);
            CPubKey pubkey(data);
            if (pubkey.IsFullyValid() && (permit_uncompressed || pubkey.IsCompressed())) return MakeUnique<ConstPubkeyProvider>(pubkey);
        }
        CKey key = DecodeSecret(str);
        if (key.IsValid() && (permit_uncompressed || key.IsCompressed())) {
            CPubKey pubkey = key.GetPubKey();
            out.keys.emplace(pubkey.GetID(), key);
            return MakeUnique<ConstPubkeyProvider>(pubkey);
        }
    }
    CExtKey extkey = DecodeExtKey(str);
    CExtPubKey extpubkey = DecodeExtPubKey(str);
    if (!extkey.key.IsValid() && !extpubkey.pubkey.IsValid()) return nullptr;
    KeyPath path;
    DeriveType type = DeriveType::NO;
    if (split.back() == MakeSpan("*").first(1)) {
        split.pop_back();
        type = DeriveType::UNHARDENED;
    } else if (split.back() == MakeSpan("*'").first(2) || split.back() == MakeSpan("*h").first(2)) {
        split.pop_back();
        type = DeriveType::HARDENED;
    }
    if (!ParseKeyPath(split, path)) return nullptr;
    if (extkey.key.IsValid()) {
        extpubkey = extkey.Neuter();
        out.keys.emplace(extpubkey.pubkey.GetID(), extkey.key);
    }
    return MakeUnique<BIP32PubkeyProvider>(extpubkey, std::move(path), type);
}

/** Parse a script in a particular context. */
std::unique_ptr<Descriptor> ParseScript(Span<const char>& sp, ParseScriptContext ctx, FlatSigningProvider& out)