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// Copyright (c) 2017 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_RPC_BLOCKCHAIN_H
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#define BITCOIN_RPC_BLOCKCHAIN_H
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class CBlock;
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class CBlockIndex;
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class CScript;
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class CTransaction;
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class uint256;
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class UniValue;
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/**
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* Get the difficulty of the net wrt to the given block index, or the chain tip if
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* not provided.
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*
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* @return A floating point number that is a multiple of the main net minimum
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* difficulty (4295032833 hashes).
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*/
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double GetDifficulty(const CBlockIndex* blockindex = nullptr);
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/** Callback for when block tip changed. */
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void RPCNotifyBlockChange(bool ibd, const CBlockIndex *);
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/** Block description to JSON */
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UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool txDetails = false);
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/** Mempool information to JSON */
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UniValue mempoolInfoToJSON();
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/** Mempool to JSON */
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UniValue mempoolToJSON(bool fVerbose = false);
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/** Block header to JSON */
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UniValue blockheaderToJSON(const CBlockIndex* blockindex);
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#endif
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