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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2018 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_FEES_H
#define BITCOIN_WALLET_FEES_H
#include <amount.h>
class CBlockPolicyEstimator;
class CCoinControl;
class CFeeRate;
class CTxMemPool;
class CWallet;
struct FeeCalculation;
/**
* Return the minimum required absolute fee for this size
* based on the required fee rate
*/
CAmount GetRequiredFee(const CWallet& wallet, unsigned int nTxBytes);
/**
* Estimate the minimum fee considering user set parameters
* and the required fee
*/
CAmount GetMinimumFee(const CWallet& wallet, unsigned int nTxBytes, const CCoinControl& coin_control, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, FeeCalculation* feeCalc);
/**
* Return the minimum required feerate taking into account the
* minimum relay feerate and user set minimum transaction feerate
*/
CFeeRate GetRequiredFeeRate(const CWallet& wallet);
/**
* Estimate the minimum fee rate considering user set parameters
* and the required fee
*/
CFeeRate GetMinimumFeeRate(const CWallet& wallet, const CCoinControl& coin_control, const CTxMemPool& pool, const CBlockPolicyEstimator& estimator, FeeCalculation* feeCalc);
/**
* Return the maximum feerate for discarding change.
*/
CFeeRate GetDiscardRate(const CWallet& wallet, const CBlockPolicyEstimator& estimator);
#endif // BITCOIN_WALLET_FEES_H
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