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// Copyright (c) 2017-2019 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>
#include <string>

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
 * @param result         JSON object where signed transaction results accumulate
 */
void SignTransaction(CMutableTransaction& mtx, const SigningProvider* keystore, const std::map<COutPoint, Coin>& coins, const UniValue& hashType, UniValue& result);
void SignTransactionResultToJSON(CMutableTransaction& mtx, bool complete, const std::map<COutPoint, Coin>& coins, std::map<int, std::string>& input_errors, UniValue& result);

/**
  * Parse a prevtxs UniValue array and get the map of coins from it
  *
  * @param  prevTxsUnival Array of previous txns outputs that tx depends on but may not yet be in the block chain
  * @param  keystore      A pointer to the temporary 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