diff options
| -rw-r--r-- | src/wallet/rpcwallet.cpp | 45 | ||||
| -rwxr-xr-x | test/functional/rpc_fundrawtransaction.py | 11 | ||||
| -rwxr-xr-x | test/functional/rpc_psbt.py | 12 |
3 files changed, 37 insertions, 31 deletions
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp index d20a819a02..25c6cf306d 100644 --- a/src/wallet/rpcwallet.cpp +++ b/src/wallet/rpcwallet.cpp @@ -197,17 +197,19 @@ static std::string LabelFromValue(const UniValue& value) /** * Update coin control with fee estimation based on the given parameters * - * @param[in] pwallet Wallet pointer - * @param[in,out] cc Coin control which is to be updated - * @param[in] conf_target UniValue integer, confirmation target in blocks, values between 1 and 1008 are valid per policy/fees.h; - * if a fee_rate is present, 0 is allowed here as a no-op positional placeholder - * @param[in] estimate_mode UniValue string, fee estimation mode, valid values are "unset", "economical" or "conservative"; - * if a fee_rate is present, "" is allowed here as a no-op positional placeholder - * @param[in] fee_rate UniValue real, fee rate in sat/vB; - * if a fee_rate is present, both conf_target and estimate_mode must either be null, or no-op values + * @param[in] pwallet Wallet pointer + * @param[in,out] cc Coin control to be updated + * @param[in] conf_target UniValue integer; confirmation target in blocks, values between 1 and 1008 are valid per policy/fees.h; + * if a fee_rate is present, 0 is allowed here as a no-op positional placeholder + * @param[in] estimate_mode UniValue string; fee estimation mode, valid values are "unset", "economical" or "conservative"; + * if a fee_rate is present, "" is allowed here as a no-op positional placeholder + * @param[in] fee_rate UniValue real; fee rate in sat/vB; + * if a fee_rate is present, both conf_target and estimate_mode must either be null, or no-op + * @param[in] override_min_fee bool; whether to set fOverrideFeeRate to true to disable minimum fee rate checks and instead + * verify only that fee_rate is greater than 0 * @throws a JSONRPCError if conf_target, estimate_mode, or fee_rate contain invalid values or are in conflict */ -static void SetFeeEstimateMode(const CWallet* pwallet, CCoinControl& cc, const UniValue& conf_target, const UniValue& estimate_mode, const UniValue& fee_rate) +static void SetFeeEstimateMode(const CWallet* pwallet, CCoinControl& cc, const UniValue& conf_target, const UniValue& estimate_mode, const UniValue& fee_rate, bool override_min_fee) { if (!fee_rate.isNull()) { if (!conf_target.isNull() && conf_target.get_int() > 0) { @@ -216,7 +218,14 @@ static void SetFeeEstimateMode(const CWallet* pwallet, CCoinControl& cc, const U if (!estimate_mode.isNull() && !estimate_mode.get_str().empty()) { throw JSONRPCError(RPC_INVALID_PARAMETER, "Cannot specify both estimate_mode and fee_rate"); } - cc.m_feerate = CFeeRate(AmountFromValue(fee_rate), COIN); + CFeeRate fee_rate_in_sat_vb{CFeeRate(AmountFromValue(fee_rate), COIN)}; + if (override_min_fee) { + if (fee_rate_in_sat_vb <= CFeeRate(0)) { + throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid fee_rate %s (must be greater than 0)", fee_rate_in_sat_vb.ToString(FeeEstimateMode::SAT_VB))); + } + cc.fOverrideFeeRate = true; + } + cc.m_feerate = fee_rate_in_sat_vb; // Default RBF to true for explicit fee_rate, if unset. if (cc.m_signal_bip125_rbf == nullopt) cc.m_signal_bip125_rbf = true; return; @@ -504,7 +513,7 @@ static RPCHelpMan sendtoaddress() // We also enable partial spend avoidance if reuse avoidance is set. coin_control.m_avoid_partial_spends |= coin_control.m_avoid_address_reuse; - SetFeeEstimateMode(pwallet, coin_control, /* conf_target */ request.params[6], /* estimate_mode */ request.params[7], /* fee_rate */ request.params[9]); + SetFeeEstimateMode(pwallet, coin_control, /* conf_target */ request.params[6], /* estimate_mode */ request.params[7], /* fee_rate */ request.params[9], /* override_min_fee */ false); EnsureWalletIsUnlocked(pwallet); @@ -932,7 +941,7 @@ static RPCHelpMan sendmany() coin_control.m_signal_bip125_rbf = request.params[5].get_bool(); } - SetFeeEstimateMode(pwallet, coin_control, /* conf_target */ request.params[6], /* estimate_mode */ request.params[7], /* fee_rate */ request.params[8]); + SetFeeEstimateMode(pwallet, coin_control, /* conf_target */ request.params[6], /* estimate_mode */ request.params[7], /* fee_rate */ request.params[8], /* override_min_fee */ false); std::vector<CRecipient> recipients; ParseRecipients(sendTo, subtractFeeFromAmount, recipients); @@ -3049,7 +3058,7 @@ static RPCHelpMan listunspent() }; } -void FundTransaction(CWallet* const pwallet, CMutableTransaction& tx, CAmount& fee_out, int& change_position, const UniValue& options, CCoinControl& coinControl) +void FundTransaction(CWallet* const pwallet, CMutableTransaction& tx, CAmount& fee_out, int& change_position, const UniValue& options, CCoinControl& coinControl, bool override_min_fee) { // Make sure the results are valid at least up to the most recent block // the user could have gotten from another RPC command prior to now @@ -3154,7 +3163,7 @@ void FundTransaction(CWallet* const pwallet, CMutableTransaction& tx, CAmount& f if (options.exists("replaceable")) { coinControl.m_signal_bip125_rbf = options["replaceable"].get_bool(); } - SetFeeEstimateMode(pwallet, coinControl, options["conf_target"], options["estimate_mode"], options["fee_rate"]); + SetFeeEstimateMode(pwallet, coinControl, options["conf_target"], options["estimate_mode"], options["fee_rate"], override_min_fee); } } else { // if options is null and not a bool @@ -3275,7 +3284,7 @@ static RPCHelpMan fundrawtransaction() CCoinControl coin_control; // Automatically select (additional) coins. Can be overridden by options.add_inputs. coin_control.m_add_inputs = true; - FundTransaction(pwallet, tx, fee, change_position, request.params[1], coin_control); + FundTransaction(pwallet, tx, fee, change_position, request.params[1], coin_control, /* override_min_fee */ true); UniValue result(UniValue::VOBJ); result.pushKV("hex", EncodeHexTx(CTransaction(tx))); @@ -3482,7 +3491,7 @@ static RPCHelpMan bumpfee_helper(std::string method_name) if (options.exists("replaceable")) { coin_control.m_signal_bip125_rbf = options["replaceable"].get_bool(); } - SetFeeEstimateMode(pwallet, coin_control, conf_target, options["estimate_mode"], options["fee_rate"]); + SetFeeEstimateMode(pwallet, coin_control, conf_target, options["estimate_mode"], options["fee_rate"], /* override_min_fee */ false); } // Make sure the results are valid at least up to the most recent block @@ -4146,7 +4155,7 @@ static RPCHelpMan send() // Automatically select coins, unless at least one is manually selected. Can // be overridden by options.add_inputs. coin_control.m_add_inputs = rawTx.vin.size() == 0; - FundTransaction(pwallet, rawTx, fee, change_position, options, coin_control); + FundTransaction(pwallet, rawTx, fee, change_position, options, coin_control, /* override_min_fee */ false); bool add_to_wallet = true; if (options.exists("add_to_wallet")) { @@ -4433,7 +4442,7 @@ static RPCHelpMan walletcreatefundedpsbt() // Automatically select coins, unless at least one is manually selected. Can // be overridden by options.add_inputs. coin_control.m_add_inputs = rawTx.vin.size() == 0; - FundTransaction(pwallet, rawTx, fee, change_position, request.params[3], coin_control); + FundTransaction(pwallet, rawTx, fee, change_position, request.params[3], coin_control, /* override_min_fee */ true); // Make a blank psbt PartiallySignedTransaction psbtx(rawTx); diff --git a/test/functional/rpc_fundrawtransaction.py b/test/functional/rpc_fundrawtransaction.py index d515b4a7d3..f987867e61 100755 --- a/test/functional/rpc_fundrawtransaction.py +++ b/test/functional/rpc_fundrawtransaction.py @@ -752,7 +752,7 @@ class RawTransactionsTest(BitcoinTestFramework): node.fundrawtransaction, rawtx, {"estimate_mode": mode, "conf_target": n, "add_inputs": True}) self.log.info("Test invalid fee rate settings") - assert_raises_rpc_error(-4, "Fee rate (0.000 sat/vB) is lower than the minimum fee rate setting (1.000 sat/vB)", + assert_raises_rpc_error(-8, "Invalid fee_rate 0.000 sat/vB (must be greater than 0)", node.fundrawtransaction, rawtx, {"fee_rate": 0, "add_inputs": True}) assert_raises_rpc_error(-8, "Invalid feeRate 0.00000000 BTC/kvB (must be greater than 0)", node.fundrawtransaction, rawtx, {"feeRate": 0, "add_inputs": True}) @@ -766,12 +766,9 @@ class RawTransactionsTest(BitcoinTestFramework): assert_raises_rpc_error(-3, "Invalid amount", node.fundrawtransaction, rawtx, {"fee_rate": "", "add_inputs": True}) - # Test setting explicit fee rate just below the minimum. - self.log.info("- raises RPC error 'fee rate too low' if fee_rate of 0.99999999 sat/vB is passed") - msg = "Fee rate (0.999 sat/vB) is lower than the minimum fee rate setting (1.000 sat/vB)" - assert_raises_rpc_error(-4, msg, node.fundrawtransaction, rawtx, {"fee_rate": 0.99999999, "add_inputs": True}) - # This feeRate test only passes if `coinControl.fOverrideFeeRate = true` in wallet/rpcwallet.cpp::FundTransaction is removed. - # assert_raises_rpc_error(-4, msg, node.fundrawtransaction, rawtx, {"feeRate": 0.00000999, "add_inputs": True}) + self.log.info("Test min fee rate checks are bypassed with fundrawtxn, e.g. a fee_rate under 1 sat/vB is allowed") + node.fundrawtransaction(rawtx, {"fee_rate": 0.99999999, "add_inputs": True}) + node.fundrawtransaction(rawtx, {"feeRate": 0.00000999, "add_inputs": True}) self.log.info("- raises RPC error if both feeRate and fee_rate are passed") assert_raises_rpc_error(-8, "Cannot specify both fee_rate (sat/vB) and feeRate (BTC/kvB)", diff --git a/test/functional/rpc_psbt.py b/test/functional/rpc_psbt.py index 313611ca17..498197b5e5 100755 --- a/test/functional/rpc_psbt.py +++ b/test/functional/rpc_psbt.py @@ -192,9 +192,14 @@ class PSBTTest(BitcoinTestFramework): assert_approx(res1["fee"], 0.055, 0.005) res2 = self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"feeRate": 0.1, "add_inputs": True}) assert_approx(res2["fee"], 0.055, 0.005) + self.log.info("Test min fee rate checks with walletcreatefundedpsbt are bypassed, e.g. a fee_rate under 1 sat/vB is allowed") + res3 = self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"fee_rate": 0.99999999, "add_inputs": True}) + assert_approx(res3["fee"], 0.00000381, 0.0000001) + res4 = self.nodes[1].walletcreatefundedpsbt(inputs, outputs, 0, {"feeRate": 0.00000999, "add_inputs": True}) + assert_approx(res4["fee"], 0.00000381, 0.0000001) self.log.info("Test invalid fee rate settings") - assert_raises_rpc_error(-4, "Fee rate (0.000 sat/vB) is lower than the minimum fee rate setting (1.000 sat/vB)", + assert_raises_rpc_error(-8, "Invalid fee_rate 0.000 sat/vB (must be greater than 0)", self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"fee_rate": 0, "add_inputs": True}) assert_raises_rpc_error(-8, "Invalid feeRate 0.00000000 BTC/kvB (must be greater than 0)", self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"feeRate": 0, "add_inputs": True}) @@ -244,11 +249,6 @@ class PSBTTest(BitcoinTestFramework): assert_raises_rpc_error(-8, "Invalid conf_target, must be between 1 and 1008", # max value of 1008 per src/policy/fees.h self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"estimate_mode": mode, "conf_target": n, "add_inputs": True}) - # Test setting explicit fee rate just below the minimum. - self.log.info("- raises RPC error 'fee rate too low' if feerate_sat_vb of 0.99999999 is passed") - assert_raises_rpc_error(-4, "Fee rate (0.999 sat/vB) is lower than the minimum fee rate setting (1.000 sat/vB)", - self.nodes[1].walletcreatefundedpsbt, inputs, outputs, 0, {"fee_rate": 0.99999999, "add_inputs": True}) - self.log.info("Test walletcreatefundedpsbt with too-high fee rate produces total fee well above -maxtxfee and raises RPC error") # previously this was silently capped at -maxtxfee for bool_add, outputs_array in {True: outputs, False: [{self.nodes[1].getnewaddress(): 1}]}.items(): |