diff options
Diffstat (limited to 'src/rpc')
-rw-r--r-- | src/rpc/blockchain.cpp | 39 | ||||
-rw-r--r-- | src/rpc/mining.cpp | 3 | ||||
-rw-r--r-- | src/rpc/misc.cpp | 4 | ||||
-rw-r--r-- | src/rpc/rawtransaction.cpp | 40 | ||||
-rw-r--r-- | src/rpc/util.cpp | 62 | ||||
-rw-r--r-- | src/rpc/util.h | 8 |
6 files changed, 105 insertions, 51 deletions
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp index 50c4589d9f..9f3748cb65 100644 --- a/src/rpc/blockchain.cpp +++ b/src/rpc/blockchain.cpp @@ -2247,41 +2247,12 @@ UniValue scantxoutset(const JSONRPCRequest& request) // loop through the scan objects for (const UniValue& scanobject : request.params[1].get_array().getValues()) { - std::string desc_str; - std::pair<int64_t, int64_t> range = {0, 1000}; - if (scanobject.isStr()) { - desc_str = scanobject.get_str(); - } else if (scanobject.isObject()) { - UniValue desc_uni = find_value(scanobject, "desc"); - if (desc_uni.isNull()) throw JSONRPCError(RPC_INVALID_PARAMETER, "Descriptor needs to be provided in scan object"); - desc_str = desc_uni.get_str(); - UniValue range_uni = find_value(scanobject, "range"); - if (!range_uni.isNull()) { - range = ParseDescriptorRange(range_uni); - } - } else { - throw JSONRPCError(RPC_INVALID_PARAMETER, "Scan object needs to be either a string or an object"); - } - FlatSigningProvider provider; - auto desc = Parse(desc_str, provider); - if (!desc) { - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Invalid descriptor '%s'", desc_str)); - } - if (!desc->IsRange()) { - range.first = 0; - range.second = 0; - } - for (int i = range.first; i <= range.second; ++i) { - std::vector<CScript> scripts; - if (!desc->Expand(i, provider, scripts, provider)) { - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Cannot derive script without private keys: '%s'", desc_str)); - } - for (const auto& script : scripts) { - std::string inferred = InferDescriptor(script, provider)->ToString(); - needles.emplace(script); - descriptors.emplace(std::move(script), std::move(inferred)); - } + auto scripts = EvalDescriptorStringOrObject(scanobject, provider); + for (const auto& script : scripts) { + std::string inferred = InferDescriptor(script, provider)->ToString(); + needles.emplace(script); + descriptors.emplace(std::move(script), std::move(inferred)); } } diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp index 477f05f46c..86b0845738 100644 --- a/src/rpc/mining.cpp +++ b/src/rpc/mining.cpp @@ -469,7 +469,7 @@ static UniValue getblocktemplate(const JSONRPCRequest& request) nTransactionsUpdatedLastLP = nTransactionsUpdatedLast; } - // Release the wallet and main lock while waiting + // Release lock while waiting LEAVE_CRITICAL_SECTION(cs_main); { checktxtime = std::chrono::steady_clock::now() + std::chrono::minutes(1); @@ -480,6 +480,7 @@ static UniValue getblocktemplate(const JSONRPCRequest& request) if (g_best_block_cv.wait_until(lock, checktxtime) == std::cv_status::timeout) { // Timeout: Check transactions for update + // without holding ::mempool.cs to avoid deadlocks if (mempool.GetTransactionsUpdated() != nTransactionsUpdatedLastLP) break; checktxtime += std::chrono::seconds(10); diff --git a/src/rpc/misc.cpp b/src/rpc/misc.cpp index 2b29fd543b..7a1bdec7b9 100644 --- a/src/rpc/misc.cpp +++ b/src/rpc/misc.cpp @@ -122,9 +122,9 @@ static UniValue createmultisig(const JSONRPCRequest& request) } // Construct using pay-to-script-hash: - const CScript inner = CreateMultisigRedeemscript(required, pubkeys); CBasicKeyStore keystore; - const CTxDestination dest = AddAndGetDestinationForScript(keystore, inner, output_type); + CScript inner; + const CTxDestination dest = AddAndGetMultisigDestination(required, pubkeys, output_type, keystore, inner); UniValue result(UniValue::VOBJ); result.pushKV("address", EncodeDestination(dest)); diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp index 9da24afe79..966ff3fedc 100644 --- a/src/rpc/rawtransaction.cpp +++ b/src/rpc/rawtransaction.cpp @@ -1495,12 +1495,19 @@ UniValue converttopsbt(const JSONRPCRequest& request) UniValue utxoupdatepsbt(const JSONRPCRequest& request) { - if (request.fHelp || request.params.size() != 1) { + if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) { throw std::runtime_error( RPCHelpMan{"utxoupdatepsbt", - "\nUpdates a PSBT with witness UTXOs retrieved from the UTXO set or the mempool.\n", + "\nUpdates all segwit inputs and outputs in a PSBT with data from output descriptors, the UTXO set or the mempool.\n", { - {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO, "A base64 string of a PSBT"} + {"psbt", RPCArg::Type::STR, RPCArg::Optional::NO, "A base64 string of a PSBT"}, + {"descriptors", RPCArg::Type::ARR, RPCArg::Optional::OMITTED_NAMED_ARG, "An array of either strings or objects", { + {"", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "An output descriptor"}, + {"", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "An object with an output descriptor and extra information", { + {"desc", RPCArg::Type::STR, RPCArg::Optional::NO, "An output descriptor"}, + {"range", RPCArg::Type::RANGE, "1000", "Up to what index HD chains should be explored (either end or [begin,end])"}, + }}, + }}, }, RPCResult { " \"psbt\" (string) The base64-encoded partially signed transaction with inputs updated\n" @@ -1510,7 +1517,7 @@ UniValue utxoupdatepsbt(const JSONRPCRequest& request) }}.ToString()); } - RPCTypeCheck(request.params, {UniValue::VSTR}, true); + RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VARR}, true); // Unserialize the transactions PartiallySignedTransaction psbtx; @@ -1519,6 +1526,17 @@ UniValue utxoupdatepsbt(const JSONRPCRequest& request) throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed %s", error)); } + // Parse descriptors, if any. + FlatSigningProvider provider; + if (!request.params[1].isNull()) { + auto descs = request.params[1].get_array(); + for (size_t i = 0; i < descs.size(); ++i) { + EvalDescriptorStringOrObject(descs[i], provider); + } + } + // We don't actually need private keys further on; hide them as a precaution. + HidingSigningProvider public_provider(&provider, /* nosign */ true, /* nobip32derivs */ false); + // Fetch previous transactions (inputs): CCoinsView viewDummy; CCoinsViewCache view(&viewDummy); @@ -1545,11 +1563,19 @@ UniValue utxoupdatepsbt(const JSONRPCRequest& request) const Coin& coin = view.AccessCoin(psbtx.tx->vin[i].prevout); - std::vector<std::vector<unsigned char>> solutions_data; - txnouttype which_type = Solver(coin.out.scriptPubKey, solutions_data); - if (which_type == TX_WITNESS_V0_SCRIPTHASH || which_type == TX_WITNESS_V0_KEYHASH || which_type == TX_WITNESS_UNKNOWN) { + if (IsSegWitOutput(provider, coin.out.scriptPubKey)) { input.witness_utxo = coin.out; } + + // Update script/keypath information using descriptor data. + // Note that SignPSBTInput does a lot more than just constructing ECDSA signatures + // we don't actually care about those here, in fact. + SignPSBTInput(public_provider, psbtx, i, /* sighash_type */ 1); + } + + // Update script/keypath information using descriptor data. + for (unsigned int i = 0; i < psbtx.tx->vout.size(); ++i) { + UpdatePSBTOutput(public_provider, psbtx, i); } CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION); diff --git a/src/rpc/util.cpp b/src/rpc/util.cpp index 9cdb22001f..67ccb225b5 100644 --- a/src/rpc/util.cpp +++ b/src/rpc/util.cpp @@ -4,7 +4,9 @@ #include <key_io.h> #include <keystore.h> +#include <outputtype.h> #include <rpc/util.h> +#include <script/descriptor.h> #include <tinyformat.h> #include <util/strencodings.h> @@ -150,8 +152,8 @@ CPubKey AddrToPubKey(CKeyStore* const keystore, const std::string& addr_in) return vchPubKey; } -// Creates a multisig redeemscript from a given list of public keys and number required. -CScript CreateMultisigRedeemscript(const int required, const std::vector<CPubKey>& pubkeys) +// Creates a multisig address from a given list of public keys, number of signatures required, and the address type +CTxDestination AddAndGetMultisigDestination(const int required, const std::vector<CPubKey>& pubkeys, OutputType type, CKeyStore& keystore, CScript& script_out) { // Gather public keys if (required < 1) { @@ -164,13 +166,24 @@ CScript CreateMultisigRedeemscript(const int required, const std::vector<CPubKey throw JSONRPCError(RPC_INVALID_PARAMETER, "Number of keys involved in the multisignature address creation > 16\nReduce the number"); } - CScript result = GetScriptForMultisig(required, pubkeys); + script_out = GetScriptForMultisig(required, pubkeys); - if (result.size() > MAX_SCRIPT_ELEMENT_SIZE) { - throw JSONRPCError(RPC_INVALID_PARAMETER, (strprintf("redeemScript exceeds size limit: %d > %d", result.size(), MAX_SCRIPT_ELEMENT_SIZE))); + if (script_out.size() > MAX_SCRIPT_ELEMENT_SIZE) { + throw JSONRPCError(RPC_INVALID_PARAMETER, (strprintf("redeemScript exceeds size limit: %d > %d", script_out.size(), MAX_SCRIPT_ELEMENT_SIZE))); } - return result; + // Check if any keys are uncompressed. If so, the type is legacy + for (const CPubKey& pk : pubkeys) { + if (!pk.IsCompressed()) { + type = OutputType::LEGACY; + break; + } + } + + // Make the address + CTxDestination dest = AddAndGetDestinationForScript(keystore, script_out, type); + + return dest; } class DescribeAddressVisitor : public boost::static_visitor<UniValue> @@ -685,3 +698,40 @@ std::pair<int64_t, int64_t> ParseDescriptorRange(const UniValue& value) } return {low, high}; } + +std::vector<CScript> EvalDescriptorStringOrObject(const UniValue& scanobject, FlatSigningProvider& provider) +{ + std::string desc_str; + std::pair<int64_t, int64_t> range = {0, 1000}; + if (scanobject.isStr()) { + desc_str = scanobject.get_str(); + } else if (scanobject.isObject()) { + UniValue desc_uni = find_value(scanobject, "desc"); + if (desc_uni.isNull()) throw JSONRPCError(RPC_INVALID_PARAMETER, "Descriptor needs to be provided in scan object"); + desc_str = desc_uni.get_str(); + UniValue range_uni = find_value(scanobject, "range"); + if (!range_uni.isNull()) { + range = ParseDescriptorRange(range_uni); + } + } else { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Scan object needs to be either a string or an object"); + } + + auto desc = Parse(desc_str, provider); + if (!desc) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Invalid descriptor '%s'", desc_str)); + } + if (!desc->IsRange()) { + range.first = 0; + range.second = 0; + } + std::vector<CScript> ret; + for (int i = range.first; i <= range.second; ++i) { + std::vector<CScript> scripts; + if (!desc->Expand(i, provider, scripts, provider)) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Cannot derive script without private keys: '%s'", desc_str)); + } + std::move(scripts.begin(), scripts.end(), std::back_inserter(ret)); + } + return ret; +} diff --git a/src/rpc/util.h b/src/rpc/util.h index e4fa8fc3d7..8762281d73 100644 --- a/src/rpc/util.h +++ b/src/rpc/util.h @@ -6,8 +6,11 @@ #define BITCOIN_RPC_UTIL_H #include <node/transaction.h> +#include <outputtype.h> #include <pubkey.h> #include <rpc/protocol.h> +#include <script/script.h> +#include <script/sign.h> #include <script/standard.h> #include <univalue.h> @@ -70,7 +73,7 @@ extern std::string HelpExampleRpc(const std::string& methodname, const std::stri CPubKey HexToPubKey(const std::string& hex_in); CPubKey AddrToPubKey(CKeyStore* const keystore, const std::string& addr_in); -CScript CreateMultisigRedeemscript(const int required, const std::vector<CPubKey>& pubkeys); +CTxDestination AddAndGetMultisigDestination(const int required, const std::vector<CPubKey>& pubkeys, OutputType type, CKeyStore& keystore, CScript& script_out); UniValue DescribeAddress(const CTxDestination& dest); @@ -83,6 +86,9 @@ UniValue JSONRPCTransactionError(TransactionError terr, const std::string& err_s //! Parse a JSON range specified as int64, or [int64, int64] std::pair<int64_t, int64_t> ParseDescriptorRange(const UniValue& value); +/** Evaluate a descriptor given as a string, or as a {"desc":...,"range":...} object, with default range of 1000. */ +std::vector<CScript> EvalDescriptorStringOrObject(const UniValue& scanobject, FlatSigningProvider& provider); + struct RPCArg { enum class Type { OBJ, |