From 3284d82296f5fcacb57f7b3b7aaf5772762071de Mon Sep 17 00:00:00 2001 From: Kittywhiskers Van Gogh <63189531+kittywhiskers@users.noreply.github.com> Date: Sun, 12 Dec 2021 19:08:12 +0530 Subject: [PATCH] merge bitcoin#15620: Uncouple non-wallet rpcs from maxTxFee global --- src/init.cpp | 4 ++-- src/rpc/rawtransaction.cpp | 33 ++++++++++++++++++++------------- 2 files changed, 22 insertions(+), 15 deletions(-) diff --git a/src/init.cpp b/src/init.cpp index 06a1459e46..951bf81c36 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -685,8 +685,8 @@ void SetupServerArgs() gArgs.AddArg("-maxsigcachesize=", strprintf("Limit sum of signature cache and script execution cache sizes to MiB (default: %u)", DEFAULT_MAX_SIG_CACHE_SIZE), ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::DEBUG_TEST); gArgs.AddArg("-maxtipage=", strprintf("Maximum tip age in seconds to consider node in initial block download (default: %u)", DEFAULT_MAX_TIP_AGE), ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::DEBUG_TEST); gArgs.AddArg("-mocktime=", "Replace actual time with seconds since epoch (default: 0)", ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::DEBUG_TEST); - gArgs.AddArg("-maxtxfee=", strprintf("Maximum total fees (in %s) to use in a single wallet transaction or raw transaction; setting this too low may abort large transactions (default: %s)", - CURRENCY_UNIT, FormatMoney(DEFAULT_TRANSACTION_MAXFEE)), ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST); + gArgs.AddArg("-maxtxfee=", strprintf("Maximum total fees (in %s) to use in a single wallet transaction; setting this too low may abort large transactions (default: %s)", + CURRENCY_UNIT, FormatMoney(DEFAULT_TRANSACTION_MAXFEE)), ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST); // TODO move setting to wallet gArgs.AddArg("-minsporkkeys=", "Overrides minimum spork signers to change spork value. Only useful for regtest and devnet. Using this on mainnet or testnet will ban you.", ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST); gArgs.AddArg("-printpriority", strprintf("Log transaction fee per kB when mining blocks (default: %u)", DEFAULT_PRINTPRIORITY), ArgsManager::ALLOW_ANY | ArgsManager::DEBUG_ONLY, OptionsCategory::DEBUG_TEST); gArgs.AddArg("-printtoconsole", "Send trace/debug info to console (default: 1 when no -daemon. To disable logging to file, set -nodebuglogfile)", ArgsManager::ALLOW_ANY, OptionsCategory::DEBUG_TEST); diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp index 6184d73aae..82ce458af7 100644 --- a/src/rpc/rawtransaction.cpp +++ b/src/rpc/rawtransaction.cpp @@ -48,6 +48,11 @@ #include +/** High fee for sendrawtransaction and testmempoolaccept. + * By default, transaction with a fee higher than this will be rejected by the + * RPCs. This can be overriden with the maxfeerate argument. + */ +constexpr static CAmount DEFAULT_MAX_RAW_TX_FEE{COIN / 10}; void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry) { @@ -752,14 +757,11 @@ static UniValue signrawtransactionwithkey(const JSONRPCRequest& request) UniValue sendrawtransaction(const JSONRPCRequest& request) { - if (request.fHelp || request.params.size() < 1 || request.params.size() > 4) - throw std::runtime_error( - RPCHelpMan{"sendrawtransaction", - "\nSubmits raw transaction (serialized, hex-encoded) to local node and network.\n" + const RPCHelpMan help{"sendrawtransaction", "\nSubmits raw transaction (serialized, hex-encoded) to local node and network.\n" "\nAlso see createrawtransaction and signrawtransactionwithkey calls.\n", { {"hexstring", RPCArg::Type::STR_HEX, RPCArg::Optional::NO, "The hex string of the raw transaction"}, - {"maxfeerate", RPCArg::Type::AMOUNT, /* default */ FormatMoney(maxTxFee), "Reject transactions whose fee rate is higher than the specified value, expressed in " + CURRENCY_UNIT + "/kB\n"}, + {"maxfeerate", RPCArg::Type::AMOUNT, /* default */ FormatMoney(DEFAULT_MAX_RAW_TX_FEE), "Reject transactions whose fee rate is higher than the specified value, expressed in " + CURRENCY_UNIT + "/kB\n"}, {"instantsend", RPCArg::Type::BOOL, RPCArg::Optional::OMITTED, "Deprecated and ignored"}, {"bypasslimits", RPCArg::Type::BOOL, /* default_val */ "false", "Bypass transaction policy limits"}, }, @@ -776,7 +778,11 @@ UniValue sendrawtransaction(const JSONRPCRequest& request) "\nAs a JSON-RPC call\n" + HelpExampleRpc("sendrawtransaction", "\"signedhex\"") }, - }.ToString()); + }; + + if (request.fHelp || !help.IsValidNumArgs(request.params.size())) { + throw std::runtime_error(help.ToString()); + } RPCTypeCheck(request.params, { UniValue::VSTR, @@ -789,7 +795,7 @@ UniValue sendrawtransaction(const JSONRPCRequest& request) if (!DecodeHexTx(mtx, request.params[0].get_str())) throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed"); CTransactionRef tx(MakeTransactionRef(std::move(mtx))); - CAmount max_raw_tx_fee = ::maxTxFee; + CAmount max_raw_tx_fee = DEFAULT_MAX_RAW_TX_FEE; // TODO: temporary migration code for old clients. Remove in v0.20 if (request.params[1].isBool()) { @@ -815,9 +821,7 @@ UniValue sendrawtransaction(const JSONRPCRequest& request) static UniValue testmempoolaccept(const JSONRPCRequest& request) { - if (request.fHelp || request.params.size() < 1 || request.params.size() > 2) { - throw std::runtime_error( - RPCHelpMan{"testmempoolaccept", + const RPCHelpMan help{"testmempoolaccept", "\nReturns result of mempool acceptance tests indicating if raw transaction (serialized, hex-encoded) would be accepted by mempool.\n" "\nThis checks if the transaction violates the consensus or policy rules.\n" "\nSee sendrawtransaction call.\n", @@ -828,7 +832,7 @@ static UniValue testmempoolaccept(const JSONRPCRequest& request) {"rawtx", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, ""}, }, }, - {"maxfeerate", RPCArg::Type::AMOUNT, /* default */ FormatMoney(maxTxFee), "Reject transactions whose fee rate is higher than the specified value, expressed in " + CURRENCY_UNIT + "/kB\n"}, + {"maxfeerate", RPCArg::Type::AMOUNT, /* default */ FormatMoney(DEFAULT_MAX_RAW_TX_FEE), "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" @@ -850,7 +854,10 @@ static UniValue testmempoolaccept(const JSONRPCRequest& request) "\nAs a JSON-RPC call\n" + HelpExampleRpc("testmempoolaccept", "[\"signedhex\"]") }, - }.ToString()); + }; + + if (request.fHelp || !help.IsValidNumArgs(request.params.size())) { + throw std::runtime_error(help.ToString()); } RPCTypeCheck(request.params, { @@ -869,7 +876,7 @@ static UniValue testmempoolaccept(const JSONRPCRequest& request) CTransactionRef tx(MakeTransactionRef(std::move(mtx))); const uint256& tx_hash = tx->GetHash(); - CAmount max_raw_tx_fee = ::maxTxFee; + CAmount max_raw_tx_fee = DEFAULT_MAX_RAW_TX_FEE; // 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.");