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Correct comment for 15-of-15 p2sh script size

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The original comment forgets to account for the script push which will
need an OP_PUSHDATA2 + 2-bytes for the 513 script bytes.

props davecgh
fixes #4224
This commit is contained in:
Michael Ford 2014-06-28 20:57:46 +08:00
parent ba81f45607
commit 675bcd5892
1 changed files with 2 additions and 2 deletions
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4
src/main.cpp
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@ -488,7 +488,7 @@ bool IsStandardTx(const CTransaction& tx, string& reason)
// Treat non-final transactions as non-standard to prevent a specific type
// of double-spend attack, as well as DoS attacks. (if the transaction
// can't be mined, the attacker isn't expending resources broadcasting it)
// Basically we don't want to propagate transactions that can't included in
// Basically we don't want to propagate transactions that can't be included in
// the next block.
//
// However, IsFinalTx() is confusing... Without arguments, it uses
@ -521,7 +521,7 @@ bool IsStandardTx(const CTransaction& tx, string& reason)
{
// Biggest 'standard' txin is a 15-of-15 P2SH multisig with compressed
// keys. (remember the 520 byte limit on redeemScript size) That works
// out to a (15*(33+1))+3=513 byte redeemScript, 513+1+15*(73+1)=1624
// out to a (15*(33+1))+3=513 byte redeemScript, 513+1+15*(73+1)+3=1627
// bytes of scriptSig, which we round off to 1650 bytes for some minor
// future-proofing. That's also enough to spend a 20-of-20
// CHECKMULTISIG scriptPubKey, though such a scriptPubKey is not