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Diffstat (limited to 'src/wallet/feebumper.h')
-rw-r--r-- | src/wallet/feebumper.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/wallet/feebumper.h b/src/wallet/feebumper.h new file mode 100644 index 0000000000..681f55e4e5 --- /dev/null +++ b/src/wallet/feebumper.h @@ -0,0 +1,56 @@ +// Copyright (c) 2017 The Bitcoin Core developers +// Distributed under the MIT software license, see the accompanying +// file COPYING or http://www.opensource.org/licenses/mit-license.php. + +#ifndef BITCOIN_WALLET_FEEBUMPER_H +#define BITCOIN_WALLET_FEEBUMPER_H + +#include <primitives/transaction.h> + +class CWallet; +class uint256; + +enum class BumpFeeResult +{ + OK, + INVALID_ADDRESS_OR_KEY, + INVALID_REQUEST, + INVALID_PARAMETER, + WALLET_ERROR, + MISC_ERROR, +}; + +class CFeeBumper +{ +public: + CFeeBumper(const CWallet *pWalletIn, const uint256 txidIn, int newConfirmTarget, bool specifiedConfirmTarget, CAmount totalFee, bool newTxReplaceable); + BumpFeeResult getResult() const { return currentResult; } + const std::vector<std::string>& getErrors() const { return vErrors; } + CAmount getOldFee() const { return nOldFee; } + CAmount getNewFee() const { return nNewFee; } + uint256 getBumpedTxId() const { return bumpedTxid; } + + /* signs the new transaction, + * returns false if the tx couldn't be found or if it was + * impossible to create the signature(s) + */ + bool signTransaction(CWallet *pWallet); + + /* commits the fee bump, + * returns true, in case of CWallet::CommitTransaction was successful + * but, eventually sets vErrors if the tx could not be added to the mempool (will try later) + * or if the old transaction could not be marked as replaced + */ + bool commit(CWallet *pWalletNonConst); + +private: + const uint256 txid; + uint256 bumpedTxid; + CMutableTransaction mtx; + std::vector<std::string> vErrors; + BumpFeeResult currentResult; + CAmount nOldFee; + CAmount nNewFee; +}; + +#endif // BITCOIN_WALLET_FEEBUMPER_H |