diff options
Diffstat (limited to 'src/script/script.h')
| -rw-r--r-- | src/script/script.h | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/src/script/script.h b/src/script/script.h index 711ffa97f8..591777672e 100644 --- a/src/script/script.h +++ b/src/script/script.h @@ -1,14 +1,14 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2009-2016 The Bitcoin Core developers +// Copyright (c) 2009-2017 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. #ifndef BITCOIN_SCRIPT_SCRIPT_H #define BITCOIN_SCRIPT_SCRIPT_H -#include "crypto/common.h" -#include "prevector.h" -#include "serialize.h" +#include <crypto/common.h> +#include <prevector.h> +#include <serialize.h> #include <assert.h> #include <climits> @@ -377,6 +377,12 @@ private: int64_t m_value; }; +/** + * We use a prevector for the script to reduce the considerable memory overhead + * of vectors in cases where they normally contain a small number of small elements. + * Tests in October 2015 showed use of this reduced dbcache memory usage by 23% + * and made an initial sync 13% faster. + */ typedef prevector<28, unsigned char> CScriptBase; /** Serialized script, used inside transaction inputs and outputs */ @@ -414,6 +420,7 @@ public: CScript& operator+=(const CScript& b) { + reserve(size() + b.size()); insert(end(), b.begin(), b.end()); return *this; } @@ -561,7 +568,7 @@ public: pc += nSize; } - opcodeRet = (opcodetype)opcode; + opcodeRet = static_cast<opcodetype>(opcode); return true; } |