From 96a96215344f77b194a64c2721d9bad531afbda7 Mon Sep 17 00:00:00 2001 From: Pieter Wuille Date: Mon, 25 Apr 2016 12:31:45 +0200 Subject: [PATCH] Introduce constant for maximum CScript length --- src/script/interpreter.cpp | 2 +- src/script/script.h | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp index e86bf4fc1..ac0caec03 100644 --- a/src/script/interpreter.cpp +++ b/src/script/interpreter.cpp @@ -263,7 +263,7 @@ bool EvalScript(vector >& stack, const CScript& script, un vector vfExec; vector 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; diff --git a/src/script/script.h b/src/script/script.h index 3c294f82d..76bc844af 100644 --- a/src/script/script.h +++ b/src/script/script.h @@ -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