Bitcoin Core  31.0.0
P2P Digital Currency
tx_verify.h
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1 // Copyright (c) 2017-present The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 
5 #ifndef BITCOIN_CONSENSUS_TX_VERIFY_H
6 #define BITCOIN_CONSENSUS_TX_VERIFY_H
7 
8 #include <consensus/amount.h>
9 #include <script/verify_flags.h>
10 
11 #include <cstdint>
12 #include <vector>
13 
14 class CBlockIndex;
15 class CCoinsViewCache;
16 class CTransaction;
17 class TxValidationState;
18 
21 namespace Consensus {
28 [[nodiscard]] bool CheckTxInputs(const CTransaction& tx, TxValidationState& state, const CCoinsViewCache& inputs, int nSpendHeight, CAmount& txfee);
29 } // namespace Consensus
30 
38 unsigned int GetLegacySigOpCount(const CTransaction& tx);
39 
47 unsigned int GetP2SHSigOpCount(const CTransaction& tx, const CCoinsViewCache& mapInputs);
48 
57 
62 bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime);
63 
70 std::pair<int, int64_t> CalculateSequenceLocks(const CTransaction &tx, int flags, std::vector<int>& prevHeights, const CBlockIndex& block);
71 
72 bool EvaluateSequenceLocks(const CBlockIndex& block, std::pair<int, int64_t> lockPair);
77 bool SequenceLocks(const CTransaction &tx, int flags, std::vector<int>& prevHeights, const CBlockIndex& block);
78 
79 #endif // BITCOIN_CONSENSUS_TX_VERIFY_H
std::pair< int, int64_t > CalculateSequenceLocks(const CTransaction &tx, int flags, std::vector< int > &prevHeights, const CBlockIndex &block)
Calculates the block height and previous block&#39;s median time past at which the transaction will be co...
Definition: tx_verify.cpp:39
bool CheckTxInputs(const CTransaction &tx, TxValidationState &state, const CCoinsViewCache &inputs, int nSpendHeight, CAmount &txfee)
Check whether all inputs of this transaction are valid (no double spends and amounts) This does not m...
Definition: tx_verify.cpp:164
int64_t GetTransactionSigOpCost(const CTransaction &tx, const CCoinsViewCache &inputs, script_verify_flags flags)
Compute total signature operation cost of a transaction.
Definition: tx_verify.cpp:143
Transaction validation functions.
int64_t CAmount
Amount in satoshis (Can be negative)
Definition: amount.h:12
unsigned int GetLegacySigOpCount(const CTransaction &tx)
Auxiliary functions for transaction validation (ideally should not be exposed)
Definition: tx_verify.cpp:112
unsigned int GetP2SHSigOpCount(const CTransaction &tx, const CCoinsViewCache &mapInputs)
Count ECDSA signature operations in pay-to-script-hash inputs.
Definition: tx_verify.cpp:126
bool EvaluateSequenceLocks(const CBlockIndex &block, std::pair< int, int64_t > lockPair)
Definition: tx_verify.cpp:97
int flags
Definition: bitcoin-tx.cpp:529
bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime)
Check if transaction is final and can be included in a block with the specified height and time...
Definition: tx_verify.cpp:17
The block chain is a tree shaped structure starting with the genesis block at the root...
Definition: chain.h:93
bool SequenceLocks(const CTransaction &tx, int flags, std::vector< int > &prevHeights, const CBlockIndex &block)
Check if transaction is final per BIP 68 sequence numbers and can be included in a block...
Definition: tx_verify.cpp:107
The basic transaction that is broadcasted on the network and contained in blocks. ...
Definition: transaction.h:280
CCoinsView that adds a memory cache for transactions to another CCoinsView.
Definition: coins.h:367