cd262bf641
* DIP0001 implementation * add option in ComputeBlockVersion to assume that masternode is upgraded (and skip rank calculation) * fix mainnet DIP0001 nTimeout * schedule DIP0001 testnet activation start for Sep 18th, 2017 (bump timeout too)
67 lines
3.5 KiB
C++
67 lines
3.5 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2015 The Bitcoin 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_POLICY_POLICY_H
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#define BITCOIN_POLICY_POLICY_H
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#include "consensus/consensus.h"
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#include "script/interpreter.h"
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#include "script/standard.h"
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#include <string>
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class CCoinsViewCache;
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/** Default for -blockmaxsize and -blockminsize, which control the range of sizes the mining code will create **/
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static const unsigned int DEFAULT_BLOCK_MAX_SIZE = 750000;
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static const unsigned int DEFAULT_BLOCK_MIN_SIZE = 0;
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/** Default for -blockprioritysize, maximum space for zero/low-fee transactions **/
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static const unsigned int DEFAULT_BLOCK_PRIORITY_SIZE = 10000; // was 50000 in 0.12.0 and it is 0 in Bitcoin since 0.12
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/** The maximum size for transactions we're willing to relay/mine */
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static const unsigned int MAX_STANDARD_TX_SIZE = 100000;
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/** Maximum number of signature check operations in an IsStandard() P2SH script */
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static const unsigned int MAX_P2SH_SIGOPS = 15;
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/** The maximum number of sigops we're willing to relay/mine in a single tx */
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static const unsigned int MAX_STANDARD_TX_SIGOPS = 4000;
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/** Default for -maxmempool, maximum megabytes of mempool memory usage */
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static const unsigned int DEFAULT_MAX_MEMPOOL_SIZE = 300;
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/**
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* Standard script verification flags that standard transactions will comply
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* with. However scripts violating these flags may still be present in valid
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* blocks and we must accept those blocks.
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*/
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static const unsigned int STANDARD_SCRIPT_VERIFY_FLAGS = MANDATORY_SCRIPT_VERIFY_FLAGS |
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SCRIPT_VERIFY_DERSIG |
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SCRIPT_VERIFY_STRICTENC |
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SCRIPT_VERIFY_MINIMALDATA |
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SCRIPT_VERIFY_NULLDUMMY |
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SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS |
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SCRIPT_VERIFY_CLEANSTACK |
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SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY |
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SCRIPT_VERIFY_CHECKSEQUENCEVERIFY |
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SCRIPT_VERIFY_LOW_S;
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/** For convenience, standard but not mandatory verify flags. */
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static const unsigned int STANDARD_NOT_MANDATORY_VERIFY_FLAGS = STANDARD_SCRIPT_VERIFY_FLAGS & ~MANDATORY_SCRIPT_VERIFY_FLAGS;
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/** Used as the flags parameter to sequence and nLocktime checks in non-consensus code. */
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static const unsigned int STANDARD_LOCKTIME_VERIFY_FLAGS = LOCKTIME_VERIFY_SEQUENCE |
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LOCKTIME_MEDIAN_TIME_PAST;
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bool IsStandard(const CScript& scriptPubKey, txnouttype& whichType);
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/**
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* Check for standard transaction types
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* @return True if all outputs (scriptPubKeys) use only standard transaction forms
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*/
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bool IsStandardTx(const CTransaction& tx, std::string& reason);
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/**
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* Check for standard transaction types
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* @param[in] mapInputs Map of previous transactions that have outputs we're spending
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* @return True if all inputs (scriptSigs) use only standard transaction forms
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*/
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bool AreInputsStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs);
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#endif // BITCOIN_POLICY_POLICY_H
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