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43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
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// Copyright (c) 2019-2020 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_SIGNET_H
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#define BITCOIN_SIGNET_H
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#include <consensus/params.h>
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#include <primitives/block.h>
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#include <primitives/transaction.h>
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/**
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* Extract signature and check whether a block has a valid solution
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*/
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bool CheckSignetBlockSolution(const CBlock& block, const Consensus::Params& consensusParams);
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/**
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* Generate the signet tx corresponding to the given block
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*
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* The signet tx commits to everything in the block except:
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* 1. It hashes a modified merkle root with the signet signature removed.
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* 2. It skips the nonce.
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*/
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class SignetTxs {
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private:
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struct invalid {};
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SignetTxs(invalid i) : m_to_spend(), m_to_sign(), m_valid(false) { }
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template<class T1, class T2>
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SignetTxs(const T1& to_spend, const T2& to_sign) : m_to_spend{to_spend}, m_to_sign{to_sign}, m_valid(true) { }
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static SignetTxs Create(const CBlock& block, const CScript& challenge);
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public:
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SignetTxs(const CBlock& block, const CScript& challenge) : SignetTxs(Create(block, challenge)) { }
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const CTransaction m_to_spend;
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const CTransaction m_to_sign;
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const bool m_valid;
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};
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#endif // BITCOIN_SIGNET_H
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