e4e5334ef8
Revert "Revert "Add rules--presently disabled--for using GetMedianTimePast as endpoint for lock-time calculations""
This reverts commit 40cd32e835.
After careful analysis it was determined that the change was, in fact, safe and several people were suffering
momentary confusion about locktime semantics.
63 lines
3.1 KiB
C++
63 lines
3.1 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2014 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 = 50000;
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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 = MAX_BLOCK_SIGOPS/5;
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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_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 CheckFinalTx() in non-consensus code */
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static const unsigned int STANDARD_LOCKTIME_VERIFY_FLAGS = 0;
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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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