diff options
Diffstat (limited to 'src/wallet')
| -rw-r--r-- | src/wallet/wallet.cpp | 15 | ||||
| -rw-r--r-- | src/wallet/wallet.h | 3 |
2 files changed, 15 insertions, 3 deletions
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index a8ef6d9511..4c10ea0edb 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -40,6 +40,7 @@ CFeeRate payTxFee(DEFAULT_TRANSACTION_FEE); unsigned int nTxConfirmTarget = DEFAULT_TX_CONFIRM_TARGET; bool bSpendZeroConfChange = DEFAULT_SPEND_ZEROCONF_CHANGE; bool fSendFreeTransactions = DEFAULT_SEND_FREE_TRANSACTIONS; +bool fWalletRbf = DEFAULT_WALLET_RBF; const char * DEFAULT_WALLET_DAT = "wallet.dat"; const uint32_t BIP32_HARDENED_KEY_LIMIT = 0x80000000; @@ -2362,11 +2363,17 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wt // Fill vin // - // Note how the sequence number is set to max()-1 so that the - // nLockTime set above actually works. + // Note how the sequence number is set to non-maxint so that + // the nLockTime set above actually works. + // + // BIP125 defines opt-in RBF as any nSequence < maxint-1, so + // we use the highest possible value in that range (maxint-2) + // to avoid conflicting with other possible uses of nSequence, + // and in the spirit of "smallest posible change from prior + // behavior." BOOST_FOREACH(const PAIRTYPE(const CWalletTx*,unsigned int)& coin, setCoins) txNew.vin.push_back(CTxIn(coin.first->GetHash(),coin.second,CScript(), - std::numeric_limits<unsigned int>::max()-1)); + std::numeric_limits<unsigned int>::max() - (fWalletRbf ? 2 : 1))); // Sign int nIn = 0; @@ -3246,6 +3253,7 @@ std::string CWallet::GetWalletHelpString(bool showDebug) strUsage += HelpMessageOpt("-spendzeroconfchange", strprintf(_("Spend unconfirmed change when sending transactions (default: %u)"), DEFAULT_SPEND_ZEROCONF_CHANGE)); strUsage += HelpMessageOpt("-txconfirmtarget=<n>", strprintf(_("If paytxfee is not set, include enough fee so transactions begin confirmation on average within n blocks (default: %u)"), DEFAULT_TX_CONFIRM_TARGET)); strUsage += HelpMessageOpt("-usehd", _("Use hierarchical deterministic key generation (HD) after BIP32. Only has effect during wallet creation/first start") + " " + strprintf(_("(default: %u)"), DEFAULT_USE_HD_WALLET)); + strUsage += HelpMessageOpt("-walletrbf", strprintf(_("Send transactions with full-RBF opt-in enabled (default: %u)"), DEFAULT_WALLET_RBF)); strUsage += HelpMessageOpt("-upgradewallet", _("Upgrade wallet to latest format on startup")); strUsage += HelpMessageOpt("-wallet=<file>", _("Specify wallet file (within data directory)") + " " + strprintf(_("(default: %s)"), DEFAULT_WALLET_DAT)); strUsage += HelpMessageOpt("-walletbroadcast", _("Make the wallet broadcast transactions") + " " + strprintf(_("(default: %u)"), DEFAULT_WALLETBROADCAST)); @@ -3486,6 +3494,7 @@ bool CWallet::ParameterInteraction() nTxConfirmTarget = GetArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET); bSpendZeroConfChange = GetBoolArg("-spendzeroconfchange", DEFAULT_SPEND_ZEROCONF_CHANGE); fSendFreeTransactions = GetBoolArg("-sendfreetransactions", DEFAULT_SEND_FREE_TRANSACTIONS); + fWalletRbf = GetBoolArg("-walletrbf", DEFAULT_WALLET_RBF); return true; } diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h index 7a771350cb..61aff6e45a 100644 --- a/src/wallet/wallet.h +++ b/src/wallet/wallet.h @@ -37,6 +37,7 @@ extern CFeeRate payTxFee; extern unsigned int nTxConfirmTarget; extern bool bSpendZeroConfChange; extern bool fSendFreeTransactions; +extern bool fWalletRbf; static const unsigned int DEFAULT_KEYPOOL_SIZE = 100; //! -paytxfee default @@ -53,6 +54,8 @@ static const bool DEFAULT_SPEND_ZEROCONF_CHANGE = true; static const bool DEFAULT_SEND_FREE_TRANSACTIONS = false; //! -txconfirmtarget default static const unsigned int DEFAULT_TX_CONFIRM_TARGET = 2; +//! -walletrbf default +static const bool DEFAULT_WALLET_RBF = false; //! Largest (in bytes) free transaction we're willing to create static const unsigned int MAX_FREE_TRANSACTION_CREATE_SIZE = 1000; static const bool DEFAULT_WALLETBROADCAST = true; |