diff options
Diffstat (limited to 'src/script/standard.h')
| -rw-r--r-- | src/script/standard.h | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/src/script/standard.h b/src/script/standard.h index 248b941a64..c4b82b4c45 100644 --- a/src/script/standard.h +++ b/src/script/standard.h @@ -3,17 +3,17 @@ // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. -#ifndef H_BITCOIN_SCRIPT_STANDARD -#define H_BITCOIN_SCRIPT_STANDARD +#ifndef BITCOIN_SCRIPT_STANDARD_H +#define BITCOIN_SCRIPT_STANDARD_H -#include "key.h" -#include "script/script.h" #include "script/interpreter.h" +#include "uint256.h" #include <boost/variant.hpp> #include <stdint.h> +class CKeyID; class CScript; /** A reference to a CScript: the Hash160 of its serialization (see script.h) */ @@ -25,26 +25,32 @@ public: CScriptID(const uint160& in) : uint160(in) {} }; -static const unsigned int MAX_OP_RETURN_RELAY = 40; // bytes - -// Mandatory script verification flags that all new blocks must comply with for -// them to be valid. (but old blocks may not comply with) Currently just P2SH, -// but in the future other flags may be added, such as a soft-fork to enforce -// strict DER encoding. -// -// Failing one of these tests may trigger a DoS ban - see CheckInputs() for -// details. +static const unsigned int MAX_OP_RETURN_RELAY = 40; //! bytes +extern unsigned nMaxDatacarrierBytes; + +/** + * Mandatory script verification flags that all new blocks must comply with for + * them to be valid. (but old blocks may not comply with) Currently just P2SH, + * but in the future other flags may be added, such as a soft-fork to enforce + * strict DER encoding. + * + * Failing one of these tests may trigger a DoS ban - see CheckInputs() for + * details. + */ static const unsigned int MANDATORY_SCRIPT_VERIFY_FLAGS = SCRIPT_VERIFY_P2SH; -// Standard script verification flags that standard transactions will comply -// with. However scripts violating these flags may still be present in valid -// blocks and we must accept those blocks. +/** + * Standard script verification flags that standard transactions will comply + * with. However scripts violating these flags may still be present in valid + * blocks and we must accept those blocks. + */ static const unsigned int STANDARD_SCRIPT_VERIFY_FLAGS = MANDATORY_SCRIPT_VERIFY_FLAGS | SCRIPT_VERIFY_STRICTENC | SCRIPT_VERIFY_MINIMALDATA | - SCRIPT_VERIFY_NULLDUMMY; + SCRIPT_VERIFY_NULLDUMMY | + SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS; -// For convenience, standard but not mandatory verify flags. +/** For convenience, standard but not mandatory verify flags. */ static const unsigned int STANDARD_NOT_MANDATORY_VERIFY_FLAGS = STANDARD_SCRIPT_VERIFY_FLAGS & ~MANDATORY_SCRIPT_VERIFY_FLAGS; enum txnouttype @@ -64,7 +70,8 @@ public: friend bool operator<(const CNoDestination &a, const CNoDestination &b) { return true; } }; -/** A txout script template with a specific destination. It is either: +/** + * A txout script template with a specific destination. It is either: * * CNoDestination: no destination set * * CKeyID: TX_PUBKEYHASH destination * * CScriptID: TX_SCRIPTHASH destination @@ -83,4 +90,4 @@ bool ExtractDestinations(const CScript& scriptPubKey, txnouttype& typeRet, std:: CScript GetScriptForDestination(const CTxDestination& dest); CScript GetScriptForMultisig(int nRequired, const std::vector<CPubKey>& keys); -#endif // H_BITCOIN_SCRIPT_STANDARD +#endif // BITCOIN_SCRIPT_STANDARD_H |