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// Copyright (c) 2017-2018 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_RPC_RAWTRANSACTION_UTIL_H
#define BITCOIN_RPC_RAWTRANSACTION_UTIL_H
#include <map>
class FillableSigningProvider;
class UniValue;
struct CMutableTransaction;
class Coin;
class COutPoint;
class SigningProvider;
/**
* Sign a transaction with the given keystore and previous transactions
*
* @param mtx The transaction to-be-signed
* @param keystore Temporary keystore containing signing keys
* @param coins Map of unspent outputs
* @param hashType The signature hash type
* @returns JSON object with details of signed transaction
*/
UniValue SignTransaction(CMutableTransaction& mtx, const SigningProvider* keystore, const std::map<COutPoint, Coin>& coins, const UniValue& hashType);
/**
* Parse a prevtxs UniValue array and get the map of coins from it
*
* @param prevTxs Array of previous txns outputs that tx depends on but may not yet be in the block chain
* @param keystore A pointer to the temprorary keystore if there is one
* @param coins Map of unspent outputs - coins in mempool and current chain UTXO set, may be extended by previous txns outputs after call
*/
void ParsePrevouts(const UniValue& prevTxsUnival, FillableSigningProvider* keystore, std::map<COutPoint, Coin>& coins);
/** Create a transaction from univalue parameters */
CMutableTransaction ConstructTransaction(const UniValue& inputs_in, const UniValue& outputs_in, const UniValue& locktime, bool rbf);
#endif // BITCOIN_RPC_RAWTRANSACTION_UTIL_H
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