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Introduce constant for maximum CScript length

This commit is contained in:
Pieter Wuille 2016-04-25 12:31:45 +02:00
parent c4e8390047
commit f8e6fb1800
2 changed files with 4 additions and 1 deletions
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2
src/script/interpreter.cpp
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@ -247,7 +247,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, un
vector<bool> vfExec;
vector<valtype> altstack;
set_error(serror, SCRIPT_ERR_UNKNOWN_ERROR);
if (script.size() > 10000)
if (script.size() > MAX_SCRIPT_SIZE)
return set_error(serror, SCRIPT_ERR_SCRIPT_SIZE);
int nOpCount = 0;
bool fRequireMinimal = (flags & SCRIPT_VERIFY_MINIMALDATA) != 0;

3
src/script/script.h
View File

@ -27,6 +27,9 @@ static const int MAX_OPS_PER_SCRIPT = 201;
// Maximum number of public keys per multisig
static const int MAX_PUBKEYS_PER_MULTISIG = 20;
// Maximum script length in bytes
static const int MAX_SCRIPT_SIZE = 10000;
// Threshold for nLockTime: below this value it is interpreted as block number,
// otherwise as UNIX timestamp.
static const unsigned int LOCKTIME_THRESHOLD = 500000000; // Tue Nov 5 00:53:20 1985 UTC