diff options
Diffstat (limited to 'src/rpc/rawtransaction.cpp')
-rw-r--r-- | src/rpc/rawtransaction.cpp | 129 |
1 files changed, 74 insertions, 55 deletions
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp index d19afaa8a1..e3d8fb4e81 100644 --- a/src/rpc/rawtransaction.cpp +++ b/src/rpc/rawtransaction.cpp @@ -11,6 +11,7 @@ #include <core_io.h> #include <index/txindex.h> #include <init.h> +#include <interfaces/chain.h> #include <key_io.h> #include <keystore.h> #include <merkleblock.h> @@ -28,6 +29,7 @@ #include <script/standard.h> #include <uint256.h> #include <util/bip32.h> +#include <util/moneystr.h> #include <util/strencodings.h> #include <validation.h> #include <validationinterface.h> @@ -790,23 +792,20 @@ static UniValue combinerawtransaction(const JSONRPCRequest& request) return EncodeHexTx(CTransaction(mergedTx)); } +// TODO(https://github.com/bitcoin/bitcoin/pull/10973#discussion_r267084237): +// This function is called from both wallet and node rpcs +// (signrawtransactionwithwallet and signrawtransactionwithkey). It should be +// moved to a util file so wallet code doesn't need to link against node code. +// Also the dependency on interfaces::Chain should be removed, so +// signrawtransactionwithkey doesn't need access to a Chain instance. UniValue SignTransaction(interfaces::Chain& chain, CMutableTransaction& mtx, const UniValue& prevTxsUnival, CBasicKeyStore *keystore, bool is_temp_keystore, const UniValue& hashType) { // Fetch previous transactions (inputs): - CCoinsView viewDummy; - CCoinsViewCache view(&viewDummy); - { - LOCK2(cs_main, mempool.cs); - CCoinsViewCache &viewChain = *pcoinsTip; - CCoinsViewMemPool viewMempool(&viewChain, mempool); - view.SetBackend(viewMempool); // temporarily switch cache backend to db+mempool view - - for (const CTxIn& txin : mtx.vin) { - view.AccessCoin(txin.prevout); // Load entries from viewChain into view; can fail. - } - - view.SetBackend(viewDummy); // switch back to avoid locking mempool for too long + std::map<COutPoint, Coin> coins; + for (const CTxIn& txin : mtx.vin) { + coins[txin.prevout]; // Create empty map entry keyed by prevout. } + chain.findCoins(coins); // Add previous txouts given in the RPC call: if (!prevTxsUnival.isNull()) { @@ -838,10 +837,10 @@ UniValue SignTransaction(interfaces::Chain& chain, CMutableTransaction& mtx, con CScript scriptPubKey(pkData.begin(), pkData.end()); { - const Coin& coin = view.AccessCoin(out); - if (!coin.IsSpent() && coin.out.scriptPubKey != scriptPubKey) { + auto coin = coins.find(out); + if (coin != coins.end() && !coin->second.IsSpent() && coin->second.out.scriptPubKey != scriptPubKey) { std::string err("Previous output scriptPubKey mismatch:\n"); - err = err + ScriptToAsmStr(coin.out.scriptPubKey) + "\nvs:\n"+ + err = err + ScriptToAsmStr(coin->second.out.scriptPubKey) + "\nvs:\n"+ ScriptToAsmStr(scriptPubKey); throw JSONRPCError(RPC_DESERIALIZATION_ERROR, err); } @@ -852,7 +851,7 @@ UniValue SignTransaction(interfaces::Chain& chain, CMutableTransaction& mtx, con newcoin.out.nValue = AmountFromValue(find_value(prevOut, "amount")); } newcoin.nHeight = 1; - view.AddCoin(out, std::move(newcoin), true); + coins[out] = std::move(newcoin); } // if redeemScript and private keys were given, add redeemScript to the keystore so it can be signed @@ -896,15 +895,15 @@ UniValue SignTransaction(interfaces::Chain& chain, CMutableTransaction& mtx, con // Sign what we can: for (unsigned int i = 0; i < mtx.vin.size(); i++) { CTxIn& txin = mtx.vin[i]; - const Coin& coin = view.AccessCoin(txin.prevout); - if (coin.IsSpent()) { + auto coin = coins.find(txin.prevout); + if (coin == coins.end() || coin->second.IsSpent()) { TxInErrorToJSON(txin, vErrors, "Input not found or already spent"); continue; } - const CScript& prevPubKey = coin.out.scriptPubKey; - const CAmount& amount = coin.out.nValue; + const CScript& prevPubKey = coin->second.out.scriptPubKey; + const CAmount& amount = coin->second.out.nValue; - SignatureData sigdata = DataFromTransaction(mtx, i, coin.out); + SignatureData sigdata = DataFromTransaction(mtx, i, coin->second.out); // Only sign SIGHASH_SINGLE if there's a corresponding output: if (!fHashSingle || (i < mtx.vout.size())) { ProduceSignature(*keystore, MutableTransactionSignatureCreator(&mtx, i, amount, nHashType), prevPubKey, sigdata); @@ -914,7 +913,7 @@ UniValue SignTransaction(interfaces::Chain& chain, CMutableTransaction& mtx, con // amount must be specified for valid segwit signature if (amount == MAX_MONEY && !txin.scriptWitness.IsNull()) { - throw JSONRPCError(RPC_TYPE_ERROR, strprintf("Missing amount for %s", coin.out.ToString())); + throw JSONRPCError(RPC_TYPE_ERROR, strprintf("Missing amount for %s", coin->second.out.ToString())); } ScriptError serror = SCRIPT_ERR_OK; @@ -1022,14 +1021,6 @@ static UniValue signrawtransactionwithkey(const JSONRPCRequest& request) return SignTransaction(*g_rpc_interfaces->chain, mtx, request.params[2], &keystore, true, request.params[3]); } -UniValue signrawtransaction(const JSONRPCRequest& request) -{ - // This method should be removed entirely in V0.19, along with the entries in the - // CRPCCommand table and rpc/client.cpp. - throw JSONRPCError(RPC_METHOD_DEPRECATED, "signrawtransaction was removed in v0.18.\n" - "Clients should transition to using signrawtransactionwithkey and signrawtransactionwithwallet"); -} - static UniValue sendrawtransaction(const JSONRPCRequest& request) { if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) @@ -1039,7 +1030,7 @@ static UniValue sendrawtransaction(const JSONRPCRequest& request) "\nAlso see createrawtransaction and signrawtransactionwithkey calls.\n", { {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The hex string of the raw transaction"}, - {"allowhighfees", RPCArg::Type::BOOL, /* default */ "false", "Allow high fees"}, + {"maxfeerate", RPCArg::Type::AMOUNT, /* default */ FormatMoney(maxTxFee), "Reject transactions whose fee rate is higher than the specified value, expressed in " + CURRENCY_UNIT + "/kB\n"}, }, RPCResult{ "\"hex\" (string) The transaction hash in hex\n" @@ -1056,7 +1047,10 @@ static UniValue sendrawtransaction(const JSONRPCRequest& request) }, }.ToString()); - RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VBOOL}); + RPCTypeCheck(request.params, { + UniValue::VSTR, + UniValueType(), // NUM or BOOL, checked later + }); // parse hex string from parameter CMutableTransaction mtx; @@ -1064,12 +1058,24 @@ static UniValue sendrawtransaction(const JSONRPCRequest& request) throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed"); CTransactionRef tx(MakeTransactionRef(std::move(mtx))); - bool allowhighfees = false; - if (!request.params[1].isNull()) allowhighfees = request.params[1].get_bool(); - const CAmount highfee{allowhighfees ? 0 : ::maxTxFee}; + CAmount max_raw_tx_fee = maxTxFee; + // TODO: temporary migration code for old clients. Remove in v0.20 + if (request.params[1].isBool()) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Second argument must be numeric (maxfeerate) and no longer supports a boolean. To allow a transaction with high fees, set maxfeerate to 0."); + } else if (request.params[1].isNum()) { + size_t weight = GetTransactionWeight(*tx); + CFeeRate fr(AmountFromValue(request.params[1])); + // the +3/4 part rounds the value up, and is the same formula used when + // calculating the fee for a transaction + // (see GetVirtualTransactionSize) + max_raw_tx_fee = fr.GetFee((weight+3)/4); + } else if (!request.params[1].isNull()) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "second argument (maxfeerate) must be numeric"); + } + uint256 txid; std::string err_string; - const TransactionError err = BroadcastTransaction(tx, txid, err_string, highfee); + const TransactionError err = BroadcastTransaction(tx, txid, err_string, max_raw_tx_fee); if (TransactionError::OK != err) { throw JSONRPCTransactionError(err, err_string); } @@ -1092,7 +1098,7 @@ static UniValue testmempoolaccept(const JSONRPCRequest& request) {"rawtx", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, ""}, }, }, - {"allowhighfees", RPCArg::Type::BOOL, /* default */ "false", "Allow high fees"}, + {"maxfeerate", RPCArg::Type::AMOUNT, /* default */ FormatMoney(maxTxFee), "Reject transactions whose fee rate is higher than the specified value, expressed in " + CURRENCY_UNIT + "/kB\n"}, }, RPCResult{ "[ (array) The result of the mempool acceptance test for each raw transaction in the input array.\n" @@ -1117,7 +1123,11 @@ static UniValue testmempoolaccept(const JSONRPCRequest& request) }.ToString()); } - RPCTypeCheck(request.params, {UniValue::VARR, UniValue::VBOOL}); + RPCTypeCheck(request.params, { + UniValue::VARR, + UniValueType(), // NUM or BOOL, checked later + }); + if (request.params[0].get_array().size() != 1) { throw JSONRPCError(RPC_INVALID_PARAMETER, "Array must contain exactly one raw transaction for now"); } @@ -1129,9 +1139,19 @@ static UniValue testmempoolaccept(const JSONRPCRequest& request) CTransactionRef tx(MakeTransactionRef(std::move(mtx))); const uint256& tx_hash = tx->GetHash(); - CAmount max_raw_tx_fee = ::maxTxFee; - if (!request.params[1].isNull() && request.params[1].get_bool()) { - max_raw_tx_fee = 0; + CAmount max_raw_tx_fee = maxTxFee; + // TODO: temporary migration code for old clients. Remove in v0.20 + if (request.params[1].isBool()) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "Second argument must be numeric (maxfeerate) and no longer supports a boolean. To allow a transaction with high fees, set maxfeerate to 0."); + } else if (request.params[1].isNum()) { + size_t weight = GetTransactionWeight(*tx); + CFeeRate fr(AmountFromValue(request.params[1])); + // the +3/4 part rounds the value up, and is the same formula used when + // calculating the fee for a transaction + // (see GetVirtualTransactionSize) + max_raw_tx_fee = fr.GetFee((weight+3)/4); + } else if (!request.params[1].isNull()) { + throw JSONRPCError(RPC_INVALID_PARAMETER, "second argument (maxfeerate) must be numeric"); } UniValue result(UniValue::VARR); @@ -1862,21 +1882,21 @@ UniValue analyzepsbt(const JSONRPCRequest& request) " \"has_utxo\" : true|false (boolean) Whether a UTXO is provided\n" " \"is_final\" : true|false (boolean) Whether the input is finalized\n" " \"missing\" : { (json object, optional) Things that are missing that are required to complete this input\n" - " \"pubkeys\" : [ (array)\n" + " \"pubkeys\" : [ (array, optional)\n" " \"keyid\" (string) Public key ID, hash160 of the public key, of a public key whose BIP 32 derivation path is missing\n" " ]\n" - " \"signatures\" : [ (array)\n" + " \"signatures\" : [ (array, optional)\n" " \"keyid\" (string) Public key ID, hash160 of the public key, of a public key whose signature is missing\n" " ]\n" - " \"redeemscript\" : \"hash\" (string) Hash160 of the redeemScript that is missing\n" - " \"witnessscript\" : \"hash\" (string) SHA256 of the witnessScript that is missing\n" + " \"redeemscript\" : \"hash\" (string, optional) Hash160 of the redeemScript that is missing\n" + " \"witnessscript\" : \"hash\" (string, optional) SHA256 of the witnessScript that is missing\n" " }\n" - " \"next\" : \"role\" (string) Role of the next person that this input needs to go to\n" + " \"next\" : \"role\" (string, optional) Role of the next person that this input needs to go to\n" " }\n" " ,...\n" " ]\n" - " \"estimated_vsize\" : vsize (numeric) Estimated vsize of the final signed transaction\n" - " \"estimated_feerate\" : feerate (numeric, optional) Estimated feerate of the final signed transaction. Shown only if all UTXO slots in the PSBT have been filled.\n" + " \"estimated_vsize\" : vsize (numeric, optional) Estimated vsize of the final signed transaction\n" + " \"estimated_feerate\" : feerate (numeric, optional) Estimated feerate of the final signed transaction in " + CURRENCY_UNIT + "/kB. Shown only if all UTXO slots in the PSBT have been filled.\n" " \"fee\" : fee (numeric, optional) The transaction fee paid. Shown only if all UTXO slots in the PSBT have been filled.\n" " \"next\" : \"role\" (string) Role of the next person that this psbt needs to go to\n" "}\n" @@ -1981,8 +2001,8 @@ UniValue analyzepsbt(const JSONRPCRequest& request) } if (calc_fee) { // Get the output amount - CAmount out_amt = std::accumulate(psbtx.tx->vout.begin(), psbtx.tx->vout.end(), 0, - [](int a, const CTxOut& b) { + CAmount out_amt = std::accumulate(psbtx.tx->vout.begin(), psbtx.tx->vout.end(), CAmount(0), + [](CAmount a, const CTxOut& b) { return a += b.nValue; } ); @@ -2021,7 +2041,7 @@ UniValue analyzepsbt(const JSONRPCRequest& request) result.pushKV("estimated_vsize", (int)size); // Estimate fee rate CFeeRate feerate(fee, size); - result.pushKV("estimated_feerate", feerate.ToString()); + result.pushKV("estimated_feerate", ValueFromAmount(feerate.GetFeePerK())); } result.pushKV("fee", ValueFromAmount(fee)); @@ -2048,11 +2068,10 @@ static const CRPCCommand commands[] = { "rawtransactions", "createrawtransaction", &createrawtransaction, {"inputs","outputs","locktime","replaceable"} }, { "rawtransactions", "decoderawtransaction", &decoderawtransaction, {"hexstring","iswitness"} }, { "rawtransactions", "decodescript", &decodescript, {"hexstring"} }, - { "rawtransactions", "sendrawtransaction", &sendrawtransaction, {"hexstring","allowhighfees"} }, + { "rawtransactions", "sendrawtransaction", &sendrawtransaction, {"hexstring","allowhighfees|maxfeerate"} }, { "rawtransactions", "combinerawtransaction", &combinerawtransaction, {"txs"} }, - { "hidden", "signrawtransaction", &signrawtransaction, {"hexstring","prevtxs","privkeys","sighashtype"} }, { "rawtransactions", "signrawtransactionwithkey", &signrawtransactionwithkey, {"hexstring","privkeys","prevtxs","sighashtype"} }, - { "rawtransactions", "testmempoolaccept", &testmempoolaccept, {"rawtxs","allowhighfees"} }, + { "rawtransactions", "testmempoolaccept", &testmempoolaccept, {"rawtxs","allowhighfees|maxfeerate"} }, { "rawtransactions", "decodepsbt", &decodepsbt, {"psbt"} }, { "rawtransactions", "combinepsbt", &combinepsbt, {"txs"} }, { "rawtransactions", "finalizepsbt", &finalizepsbt, {"psbt", "extract"} }, |