diff options
| -rw-r--r-- | src/wallet/rpcwallet.cpp | 16 | ||||
| -rw-r--r-- | src/wallet/wallet.h | 2 |
2 files changed, 14 insertions, 4 deletions
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp index 9ae36653b8..6517bae52c 100644 --- a/src/wallet/rpcwallet.cpp +++ b/src/wallet/rpcwallet.cpp @@ -2786,11 +2786,19 @@ UniValue bumpfee(const JSONRPCRequest& request) CFeeRate nOldFeeRate(nOldFee, txSize); CAmount nNewFee; CFeeRate nNewFeeRate; + // The wallet uses a conservative WALLET_INCREMENTAL_RELAY_FEE value to + // future proof against changes to network wide policy for incremental relay + // fee that our node may not be aware of. + CFeeRate walletIncrementalRelayFee = CFeeRate(WALLET_INCREMENTAL_RELAY_FEE); + if (::incrementalRelayFee > walletIncrementalRelayFee) { + walletIncrementalRelayFee = ::incrementalRelayFee; + } if (totalFee > 0) { CAmount minTotalFee = nOldFeeRate.GetFee(maxNewTxSize) + ::incrementalRelayFee.GetFee(maxNewTxSize); if (totalFee < minTotalFee) { - throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Invalid totalFee, must be at least %s (oldFee %s + relayFee %s)", FormatMoney(minTotalFee), nOldFeeRate.GetFee(maxNewTxSize), ::incrementalRelayFee.GetFee(maxNewTxSize))); + throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Insufficient totalFee, must be at least %s (oldFee %s + incrementalFee %s)", + FormatMoney(minTotalFee), FormatMoney(nOldFeeRate.GetFee(maxNewTxSize)), FormatMoney(::incrementalRelayFee.GetFee(maxNewTxSize)))); } nNewFee = totalFee; nNewFeeRate = CFeeRate(totalFee, maxNewTxSize); @@ -2806,9 +2814,9 @@ UniValue bumpfee(const JSONRPCRequest& request) nNewFeeRate = CFeeRate(nNewFee, maxNewTxSize); - // new fee rate must be at least old rate + minimum incremental relay rate - if (nNewFeeRate.GetFeePerK() < nOldFeeRate.GetFeePerK() + ::incrementalRelayFee.GetFeePerK()) { - nNewFeeRate = CFeeRate(nOldFeeRate.GetFeePerK() + ::incrementalRelayFee.GetFeePerK()); + // New fee rate must be at least old rate + minimum incremental relay rate + if (nNewFeeRate.GetFeePerK() < nOldFeeRate.GetFeePerK() + walletIncrementalRelayFee.GetFeePerK()) { + nNewFeeRate = CFeeRate(nOldFeeRate.GetFeePerK() + walletIncrementalRelayFee.GetFeePerK()); nNewFee = nNewFeeRate.GetFee(maxNewTxSize); } } diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h index f95c0589d6..764a7aa268 100644 --- a/src/wallet/wallet.h +++ b/src/wallet/wallet.h @@ -48,6 +48,8 @@ static const CAmount DEFAULT_TRANSACTION_FEE = 0; static const CAmount DEFAULT_FALLBACK_FEE = 20000; //! -mintxfee default static const CAmount DEFAULT_TRANSACTION_MINFEE = 1000; +//! minimum recommended increment for BIP 125 replacement txs +static const CAmount WALLET_INCREMENTAL_RELAY_FEE = 5000; //! target minimum change amount static const CAmount MIN_CHANGE = CENT; //! final minimum change amount after paying for fees |