diff options
Diffstat (limited to 'src/script/descriptor.cpp')
-rw-r--r-- | src/script/descriptor.cpp | 189 |
1 files changed, 107 insertions, 82 deletions
diff --git a/src/script/descriptor.cpp b/src/script/descriptor.cpp index 30399dca51..f1433553bc 100644 --- a/src/script/descriptor.cpp +++ b/src/script/descriptor.cpp @@ -481,34 +481,35 @@ class DescriptorImpl : public Descriptor const std::string m_name; protected: - //! The sub-descriptor argument (nullptr for everything but SH and WSH). + //! The sub-descriptor arguments (empty for everything but SH and WSH). //! In doc/descriptors.m this is referred to as SCRIPT expressions sh(SCRIPT) //! and wsh(SCRIPT), and distinct from KEY expressions and ADDR expressions. - const std::unique_ptr<DescriptorImpl> m_subdescriptor_arg; + //! Subdescriptors can only ever generate a single script. + const std::vector<std::unique_ptr<DescriptorImpl>> m_subdescriptor_args; //! Return a serialization of anything except pubkey and script arguments, to be prepended to those. virtual std::string ToStringExtra() const { return ""; } /** A helper function to construct the scripts for this descriptor. * - * This function is invoked once for every CScript produced by evaluating - * m_subdescriptor_arg, or just once in case m_subdescriptor_arg is nullptr. - + * This function is invoked once by ExpandHelper. + * * @param pubkeys The evaluations of the m_pubkey_args field. - * @param script The evaluation of m_subdescriptor_arg (or nullptr when m_subdescriptor_arg is nullptr). + * @param scripts The evaluations of m_subdescriptor_args (one for each m_subdescriptor_args element). * @param out A FlatSigningProvider to put scripts or public keys in that are necessary to the solver. - * The script arguments to this function are automatically added, as is the origin info of the provided pubkeys. + * The origin info of the provided pubkeys is automatically added. * @return A vector with scriptPubKeys for this descriptor. */ - virtual std::vector<CScript> MakeScripts(const std::vector<CPubKey>& pubkeys, const CScript* script, FlatSigningProvider& out) const = 0; + virtual std::vector<CScript> MakeScripts(const std::vector<CPubKey>& pubkeys, Span<const CScript> scripts, FlatSigningProvider& out) const = 0; public: - DescriptorImpl(std::vector<std::unique_ptr<PubkeyProvider>> pubkeys, std::unique_ptr<DescriptorImpl> script, const std::string& name) : m_pubkey_args(std::move(pubkeys)), m_name(name), m_subdescriptor_arg(std::move(script)) {} + DescriptorImpl(std::vector<std::unique_ptr<PubkeyProvider>> pubkeys, const std::string& name) : m_pubkey_args(std::move(pubkeys)), m_name(name), m_subdescriptor_args() {} + DescriptorImpl(std::vector<std::unique_ptr<PubkeyProvider>> pubkeys, std::unique_ptr<DescriptorImpl> script, const std::string& name) : m_pubkey_args(std::move(pubkeys)), m_name(name), m_subdescriptor_args(Vector(std::move(script))) {} bool IsSolvable() const override { - if (m_subdescriptor_arg) { - if (!m_subdescriptor_arg->IsSolvable()) return false; + for (const auto& arg : m_subdescriptor_args) { + if (!arg->IsSolvable()) return false; } return true; } @@ -518,12 +519,24 @@ public: for (const auto& pubkey : m_pubkey_args) { if (pubkey->IsRange()) return true; } - if (m_subdescriptor_arg) { - if (m_subdescriptor_arg->IsRange()) return true; + for (const auto& arg : m_subdescriptor_args) { + if (arg->IsRange()) return true; } return false; } + virtual bool ToStringSubScriptHelper(const SigningProvider* arg, std::string& ret, bool priv, bool normalized) const + { + size_t pos = 0; + for (const auto& scriptarg : m_subdescriptor_args) { + if (pos++) ret += ","; + std::string tmp; + if (!scriptarg->ToStringHelper(arg, tmp, priv, normalized)) return false; + ret += std::move(tmp); + } + return true; + } + bool ToStringHelper(const SigningProvider* arg, std::string& out, bool priv, bool normalized) const { std::string extra = ToStringExtra(); @@ -541,13 +554,10 @@ public: } ret += std::move(tmp); } - if (m_subdescriptor_arg) { - if (pos++) ret += ","; - std::string tmp; - if (!m_subdescriptor_arg->ToStringHelper(arg, tmp, priv, normalized)) return false; - ret += std::move(tmp); - } - out = std::move(ret) + ")"; + std::string subscript; + if (!ToStringSubScriptHelper(arg, subscript, priv, normalized)) return false; + if (pos && subscript.size()) ret += ','; + out = std::move(ret) + std::move(subscript) + ")"; return true; } @@ -577,17 +587,20 @@ public: std::vector<std::pair<CPubKey, KeyOriginInfo>> entries; entries.reserve(m_pubkey_args.size()); - // Construct temporary data in `entries` and `subscripts`, to avoid producing output in case of failure. + // Construct temporary data in `entries`, `subscripts`, and `subprovider` to avoid producing output in case of failure. for (const auto& p : m_pubkey_args) { entries.emplace_back(); if (!p->GetPubKey(pos, arg, entries.back().first, entries.back().second, read_cache, write_cache)) return false; } std::vector<CScript> subscripts; - if (m_subdescriptor_arg) { - FlatSigningProvider subprovider; - if (!m_subdescriptor_arg->ExpandHelper(pos, arg, read_cache, subscripts, subprovider, write_cache)) return false; - out = Merge(out, subprovider); + FlatSigningProvider subprovider; + for (const auto& subarg : m_subdescriptor_args) { + std::vector<CScript> outscripts; + if (!subarg->ExpandHelper(pos, arg, read_cache, outscripts, subprovider, write_cache)) return false; + assert(outscripts.size() == 1); + subscripts.emplace_back(std::move(outscripts[0])); } + out = Merge(std::move(out), std::move(subprovider)); std::vector<CPubKey> pubkeys; pubkeys.reserve(entries.size()); @@ -595,17 +608,8 @@ public: pubkeys.push_back(entry.first); out.origins.emplace(entry.first.GetID(), std::make_pair<CPubKey, KeyOriginInfo>(CPubKey(entry.first), std::move(entry.second))); } - if (m_subdescriptor_arg) { - for (const auto& subscript : subscripts) { - out.scripts.emplace(CScriptID(subscript), subscript); - std::vector<CScript> addscripts = MakeScripts(pubkeys, &subscript, out); - for (auto& addscript : addscripts) { - output_scripts.push_back(std::move(addscript)); - } - } - } else { - output_scripts = MakeScripts(pubkeys, nullptr, out); - } + + output_scripts = MakeScripts(pubkeys, MakeSpan(subscripts), out); return true; } @@ -626,10 +630,8 @@ public: if (!p->GetPrivKey(pos, provider, key)) continue; out.keys.emplace(key.GetPubKey().GetID(), key); } - if (m_subdescriptor_arg) { - FlatSigningProvider subprovider; - m_subdescriptor_arg->ExpandPrivate(pos, provider, subprovider); - out = Merge(out, subprovider); + for (const auto& arg : m_subdescriptor_args) { + arg->ExpandPrivate(pos, provider, out); } } @@ -642,9 +644,9 @@ class AddressDescriptor final : public DescriptorImpl const CTxDestination m_destination; protected: std::string ToStringExtra() const override { return EncodeDestination(m_destination); } - std::vector<CScript> MakeScripts(const std::vector<CPubKey>&, const CScript*, FlatSigningProvider&) const override { return Vector(GetScriptForDestination(m_destination)); } + std::vector<CScript> MakeScripts(const std::vector<CPubKey>&, Span<const CScript>, FlatSigningProvider&) const override { return Vector(GetScriptForDestination(m_destination)); } public: - AddressDescriptor(CTxDestination destination) : DescriptorImpl({}, {}, "addr"), m_destination(std::move(destination)) {} + AddressDescriptor(CTxDestination destination) : DescriptorImpl({}, "addr"), m_destination(std::move(destination)) {} bool IsSolvable() const final { return false; } std::optional<OutputType> GetOutputType() const override @@ -668,9 +670,9 @@ class RawDescriptor final : public DescriptorImpl const CScript m_script; protected: std::string ToStringExtra() const override { return HexStr(m_script); } - std::vector<CScript> MakeScripts(const std::vector<CPubKey>&, const CScript*, FlatSigningProvider&) const override { return Vector(m_script); } + std::vector<CScript> MakeScripts(const std::vector<CPubKey>&, Span<const CScript>, FlatSigningProvider&) const override { return Vector(m_script); } public: - RawDescriptor(CScript script) : DescriptorImpl({}, {}, "raw"), m_script(std::move(script)) {} + RawDescriptor(CScript script) : DescriptorImpl({}, "raw"), m_script(std::move(script)) {} bool IsSolvable() const final { return false; } std::optional<OutputType> GetOutputType() const override @@ -694,9 +696,9 @@ public: class PKDescriptor final : public DescriptorImpl { protected: - std::vector<CScript> MakeScripts(const std::vector<CPubKey>& keys, const CScript*, FlatSigningProvider&) const override { return Vector(GetScriptForRawPubKey(keys[0])); } + std::vector<CScript> MakeScripts(const std::vector<CPubKey>& keys, Span<const CScript>, FlatSigningProvider&) const override { return Vector(GetScriptForRawPubKey(keys[0])); } public: - PKDescriptor(std::unique_ptr<PubkeyProvider> prov) : DescriptorImpl(Vector(std::move(prov)), {}, "pk") {} + PKDescriptor(std::unique_ptr<PubkeyProvider> prov) : DescriptorImpl(Vector(std::move(prov)), "pk") {} bool IsSingleType() const final { return true; } }; @@ -704,14 +706,14 @@ public: class PKHDescriptor final : public DescriptorImpl { protected: - std::vector<CScript> MakeScripts(const std::vector<CPubKey>& keys, const CScript*, FlatSigningProvider& out) const override + std::vector<CScript> MakeScripts(const std::vector<CPubKey>& keys, Span<const CScript>, FlatSigningProvider& out) const override { CKeyID id = keys[0].GetID(); out.pubkeys.emplace(id, keys[0]); return Vector(GetScriptForDestination(PKHash(id))); } public: - PKHDescriptor(std::unique_ptr<PubkeyProvider> prov) : DescriptorImpl(Vector(std::move(prov)), {}, "pkh") {} + PKHDescriptor(std::unique_ptr<PubkeyProvider> prov) : DescriptorImpl(Vector(std::move(prov)), "pkh") {} std::optional<OutputType> GetOutputType() const override { return OutputType::LEGACY; } bool IsSingleType() const final { return true; } }; @@ -720,14 +722,14 @@ public: class WPKHDescriptor final : public DescriptorImpl { protected: - std::vector<CScript> MakeScripts(const std::vector<CPubKey>& keys, const CScript*, FlatSigningProvider& out) const override + std::vector<CScript> MakeScripts(const std::vector<CPubKey>& keys, Span<const CScript>, FlatSigningProvider& out) const override { CKeyID id = keys[0].GetID(); out.pubkeys.emplace(id, keys[0]); return Vector(GetScriptForDestination(WitnessV0KeyHash(id))); } public: - WPKHDescriptor(std::unique_ptr<PubkeyProvider> prov) : DescriptorImpl(Vector(std::move(prov)), {}, "wpkh") {} + WPKHDescriptor(std::unique_ptr<PubkeyProvider> prov) : DescriptorImpl(Vector(std::move(prov)), "wpkh") {} std::optional<OutputType> GetOutputType() const override { return OutputType::BECH32; } bool IsSingleType() const final { return true; } }; @@ -736,7 +738,7 @@ public: class ComboDescriptor final : public DescriptorImpl { protected: - std::vector<CScript> MakeScripts(const std::vector<CPubKey>& keys, const CScript*, FlatSigningProvider& out) const override + std::vector<CScript> MakeScripts(const std::vector<CPubKey>& keys, Span<const CScript>, FlatSigningProvider& out) const override { std::vector<CScript> ret; CKeyID id = keys[0].GetID(); @@ -752,7 +754,7 @@ protected: return ret; } public: - ComboDescriptor(std::unique_ptr<PubkeyProvider> prov) : DescriptorImpl(Vector(std::move(prov)), {}, "combo") {} + ComboDescriptor(std::unique_ptr<PubkeyProvider> prov) : DescriptorImpl(Vector(std::move(prov)), "combo") {} bool IsSingleType() const final { return false; } }; @@ -763,7 +765,7 @@ class MultisigDescriptor final : public DescriptorImpl const bool m_sorted; protected: std::string ToStringExtra() const override { return strprintf("%i", m_threshold); } - std::vector<CScript> MakeScripts(const std::vector<CPubKey>& keys, const CScript*, FlatSigningProvider&) const override { + std::vector<CScript> MakeScripts(const std::vector<CPubKey>& keys, Span<const CScript>, FlatSigningProvider&) const override { if (m_sorted) { std::vector<CPubKey> sorted_keys(keys); std::sort(sorted_keys.begin(), sorted_keys.end()); @@ -772,7 +774,7 @@ protected: return Vector(GetScriptForMultisig(m_threshold, keys)); } public: - MultisigDescriptor(int threshold, std::vector<std::unique_ptr<PubkeyProvider>> providers, bool sorted = false) : DescriptorImpl(std::move(providers), {}, sorted ? "sortedmulti" : "multi"), m_threshold(threshold), m_sorted(sorted) {} + MultisigDescriptor(int threshold, std::vector<std::unique_ptr<PubkeyProvider>> providers, bool sorted = false) : DescriptorImpl(std::move(providers), sorted ? "sortedmulti" : "multi"), m_threshold(threshold), m_sorted(sorted) {} bool IsSingleType() const final { return true; } }; @@ -780,14 +782,19 @@ public: class SHDescriptor final : public DescriptorImpl { protected: - std::vector<CScript> MakeScripts(const std::vector<CPubKey>&, const CScript* script, FlatSigningProvider&) const override { return Vector(GetScriptForDestination(ScriptHash(*script))); } + std::vector<CScript> MakeScripts(const std::vector<CPubKey>&, Span<const CScript> scripts, FlatSigningProvider& out) const override + { + auto ret = Vector(GetScriptForDestination(ScriptHash(scripts[0]))); + if (ret.size()) out.scripts.emplace(CScriptID(scripts[0]), scripts[0]); + return ret; + } public: SHDescriptor(std::unique_ptr<DescriptorImpl> desc) : DescriptorImpl({}, std::move(desc), "sh") {} std::optional<OutputType> GetOutputType() const override { - assert(m_subdescriptor_arg); - if (m_subdescriptor_arg->GetOutputType() == OutputType::BECH32) return OutputType::P2SH_SEGWIT; + assert(m_subdescriptor_args.size() == 1); + if (m_subdescriptor_args[0]->GetOutputType() == OutputType::BECH32) return OutputType::P2SH_SEGWIT; return OutputType::LEGACY; } bool IsSingleType() const final { return true; } @@ -797,7 +804,12 @@ public: class WSHDescriptor final : public DescriptorImpl { protected: - std::vector<CScript> MakeScripts(const std::vector<CPubKey>&, const CScript* script, FlatSigningProvider&) const override { return Vector(GetScriptForDestination(WitnessV0ScriptHash(*script))); } + std::vector<CScript> MakeScripts(const std::vector<CPubKey>&, Span<const CScript> scripts, FlatSigningProvider& out) const override + { + auto ret = Vector(GetScriptForDestination(WitnessV0ScriptHash(scripts[0]))); + if (ret.size()) out.scripts.emplace(CScriptID(scripts[0]), scripts[0]); + return ret; + } public: WSHDescriptor(std::unique_ptr<DescriptorImpl> desc) : DescriptorImpl({}, std::move(desc), "wsh") {} std::optional<OutputType> GetOutputType() const override { return OutputType::BECH32; } @@ -809,9 +821,10 @@ public: //////////////////////////////////////////////////////////////////////////// enum class ParseScriptContext { - TOP, - P2SH, - P2WSH, + TOP, //!< Top-level context (script goes directly in scriptPubKey) + P2SH, //!< Inside sh() (script becomes P2SH redeemScript) + P2WPKH, //!< Inside wpkh() (no script, pubkey only) + P2WSH, //!< Inside wsh() (script becomes v0 witness script) }; /** Parse a key path, being passed a split list of elements (the first element is ignored). */ @@ -838,10 +851,11 @@ enum class ParseScriptContext { } /** Parse a public key that excludes origin information. */ -std::unique_ptr<PubkeyProvider> ParsePubkeyInner(uint32_t key_exp_index, const Span<const char>& sp, bool permit_uncompressed, FlatSigningProvider& out, std::string& error) +std::unique_ptr<PubkeyProvider> ParsePubkeyInner(uint32_t key_exp_index, const Span<const char>& sp, ParseScriptContext ctx, FlatSigningProvider& out, std::string& error) { using namespace spanparsing; + bool permit_uncompressed = ctx == ParseScriptContext::TOP || ctx == ParseScriptContext::P2SH; auto split = Split(sp, '/'); std::string str(split[0].begin(), split[0].end()); if (str.size() == 0) { @@ -899,7 +913,7 @@ std::unique_ptr<PubkeyProvider> ParsePubkeyInner(uint32_t key_exp_index, const S } /** Parse a public key including origin information (if enabled). */ -std::unique_ptr<PubkeyProvider> ParsePubkey(uint32_t key_exp_index, const Span<const char>& sp, bool permit_uncompressed, FlatSigningProvider& out, std::string& error) +std::unique_ptr<PubkeyProvider> ParsePubkey(uint32_t key_exp_index, const Span<const char>& sp, ParseScriptContext ctx, FlatSigningProvider& out, std::string& error) { using namespace spanparsing; @@ -908,7 +922,7 @@ std::unique_ptr<PubkeyProvider> ParsePubkey(uint32_t key_exp_index, const Span<c error = "Multiple ']' characters found for a single pubkey"; return nullptr; } - if (origin_split.size() == 1) return ParsePubkeyInner(key_exp_index, origin_split[0], permit_uncompressed, out, error); + if (origin_split.size() == 1) return ParsePubkeyInner(key_exp_index, origin_split[0], ctx, out, error); if (origin_split[0].empty() || origin_split[0][0] != '[') { error = strprintf("Key origin start '[ character expected but not found, got '%c' instead", origin_split[0].empty() ? /** empty, implies split char */ ']' : origin_split[0][0]); @@ -930,34 +944,37 @@ std::unique_ptr<PubkeyProvider> ParsePubkey(uint32_t key_exp_index, const Span<c assert(fpr_bytes.size() == 4); std::copy(fpr_bytes.begin(), fpr_bytes.end(), info.fingerprint); if (!ParseKeyPath(slash_split, info.path, error)) return nullptr; - auto provider = ParsePubkeyInner(key_exp_index, origin_split[1], permit_uncompressed, out, error); + auto provider = ParsePubkeyInner(key_exp_index, origin_split[1], ctx, out, error); if (!provider) return nullptr; return std::make_unique<OriginPubkeyProvider>(key_exp_index, std::move(info), std::move(provider)); } /** Parse a script in a particular context. */ -std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const char>& sp, ParseScriptContext ctx, FlatSigningProvider& out, std::string& error) +std::unique_ptr<DescriptorImpl> ParseScript(uint32_t& key_exp_index, Span<const char>& sp, ParseScriptContext ctx, FlatSigningProvider& out, std::string& error) { using namespace spanparsing; auto expr = Expr(sp); bool sorted_multi = false; if (Func("pk", expr)) { - auto pubkey = ParsePubkey(key_exp_index, expr, ctx != ParseScriptContext::P2WSH, out, error); + auto pubkey = ParsePubkey(key_exp_index, expr, ctx, out, error); if (!pubkey) return nullptr; + ++key_exp_index; return std::make_unique<PKDescriptor>(std::move(pubkey)); } if (Func("pkh", expr)) { - auto pubkey = ParsePubkey(key_exp_index, expr, ctx != ParseScriptContext::P2WSH, out, error); + auto pubkey = ParsePubkey(key_exp_index, expr, ctx, out, error); if (!pubkey) return nullptr; + ++key_exp_index; 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); + auto pubkey = ParsePubkey(key_exp_index, expr, ctx, out, error); if (!pubkey) return nullptr; + ++key_exp_index; return std::make_unique<ComboDescriptor>(std::move(pubkey)); - } else if (ctx != ParseScriptContext::TOP && Func("combo", expr)) { - error = "Cannot have combo in non-top level"; + } else if (Func("combo", expr)) { + error = "Can only have combo() at top level"; return nullptr; } if ((sorted_multi = Func("sortedmulti", expr)) || Func("multi", expr)) { @@ -975,7 +992,7 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c return nullptr; } auto arg = Expr(expr); - auto pk = ParsePubkey(key_exp_index, arg, ctx != ParseScriptContext::P2WSH, out, error); + auto pk = ParsePubkey(key_exp_index, arg, ctx, out, error); if (!pk) return nullptr; script_size += pk->GetSize() + 1; providers.emplace_back(std::move(pk)); @@ -1005,28 +1022,29 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c } 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 ((ctx == ParseScriptContext::TOP || ctx == ParseScriptContext::P2SH) && Func("wpkh", expr)) { + auto pubkey = ParsePubkey(key_exp_index, expr, ParseScriptContext::P2WPKH, out, error); if (!pubkey) return nullptr; + key_exp_index++; return std::make_unique<WPKHDescriptor>(std::move(pubkey)); - } else if (ctx == ParseScriptContext::P2WSH && Func("wpkh", expr)) { - error = "Cannot have wpkh within wsh"; + } else if (Func("wpkh", expr)) { + error = "Can only have wpkh() at top level or inside sh()"; return nullptr; } 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 std::make_unique<SHDescriptor>(std::move(desc)); - } else if (ctx != ParseScriptContext::TOP && Func("sh", expr)) { - error = "Cannot have sh in non-top level"; + } else if (Func("sh", expr)) { + error = "Can only have sh() at top level"; return nullptr; } - if (ctx != ParseScriptContext::P2WSH && Func("wsh", expr)) { + if ((ctx == ParseScriptContext::TOP || ctx == ParseScriptContext::P2SH) && Func("wsh", expr)) { auto desc = ParseScript(key_exp_index, expr, ParseScriptContext::P2WSH, out, error); if (!desc || expr.size()) return nullptr; return std::make_unique<WSHDescriptor>(std::move(desc)); - } else if (ctx == ParseScriptContext::P2WSH && Func("wsh", expr)) { - error = "Cannot have wsh within wsh"; + } else if (Func("wsh", expr)) { + error = "Can only have wsh() at top level or inside sh()"; return nullptr; } if (ctx == ParseScriptContext::TOP && Func("addr", expr)) { @@ -1036,6 +1054,9 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c return nullptr; } return std::make_unique<AddressDescriptor>(std::move(dest)); + } else if (Func("addr", expr)) { + error = "Can only have addr() at top level"; + return nullptr; } if (ctx == ParseScriptContext::TOP && Func("raw", expr)) { std::string str(expr.begin(), expr.end()); @@ -1045,6 +1066,9 @@ std::unique_ptr<DescriptorImpl> ParseScript(uint32_t key_exp_index, Span<const c } auto bytes = ParseHex(str); return std::make_unique<RawDescriptor>(CScript(bytes.begin(), bytes.end())); + } else if (Func("raw", expr)) { + error = "Can only have raw() at top level"; + return nullptr; } if (ctx == ParseScriptContext::P2SH) { error = "A function is needed within P2SH"; @@ -1174,7 +1198,8 @@ std::unique_ptr<Descriptor> Parse(const std::string& descriptor, FlatSigningProv { Span<const char> sp{descriptor}; if (!CheckChecksum(sp, require_checksum, error)) return nullptr; - auto ret = ParseScript(0, sp, ParseScriptContext::TOP, out, error); + uint32_t key_exp_index = 0; + auto ret = ParseScript(key_exp_index, sp, ParseScriptContext::TOP, out, error); if (sp.size() == 0 && ret) return std::unique_ptr<Descriptor>(std::move(ret)); return nullptr; } |