Browse Source

Merge #11554: Sanity-check script sizes in bitcoin-tx

a6f33ea77 Sanity-check script sizes in bitcoin-tx (Matt Corallo)

Pull request description:

Tree-SHA512: bb8ecb628763af23816ab085758f6140920a6ff05dcb298129c2bbe584a02a759c700a05740eca77023292c98a5658b2a608fa27d5a948d183f87ed9ab827952
0.16
MarcoFalke 7 years ago
parent
commit
89cc4f905e
No known key found for this signature in database
GPG Key ID: D2EA4850E7528B25
  1. 13
      src/bitcoin-tx.cpp

13
src/bitcoin-tx.cpp

@ -387,6 +387,10 @@ static void MutateTxAddOutMultiSig(CMutableTransaction& tx, const std::string& s @@ -387,6 +387,10 @@ static void MutateTxAddOutMultiSig(CMutableTransaction& tx, const std::string& s
scriptPubKey = GetScriptForWitness(scriptPubKey);
}
if (bScriptHash) {
if (scriptPubKey.size() > MAX_SCRIPT_ELEMENT_SIZE) {
throw std::runtime_error(strprintf(
"redeemScript exceeds size limit: %d > %d", scriptPubKey.size(), MAX_SCRIPT_ELEMENT_SIZE));
}
// Get the ID for the script, and then construct a P2SH destination for it.
scriptPubKey = GetScriptForDestination(CScriptID(scriptPubKey));
}
@ -447,10 +451,19 @@ static void MutateTxAddOutScript(CMutableTransaction& tx, const std::string& str @@ -447,10 +451,19 @@ static void MutateTxAddOutScript(CMutableTransaction& tx, const std::string& str
bScriptHash = (flags.find("S") != std::string::npos);
}
if (scriptPubKey.size() > MAX_SCRIPT_SIZE) {
throw std::runtime_error(strprintf(
"script exceeds size limit: %d > %d", scriptPubKey.size(), MAX_SCRIPT_SIZE));
}
if (bSegWit) {
scriptPubKey = GetScriptForWitness(scriptPubKey);
}
if (bScriptHash) {
if (scriptPubKey.size() > MAX_SCRIPT_ELEMENT_SIZE) {
throw std::runtime_error(strprintf(
"redeemScript exceeds size limit: %d > %d", scriptPubKey.size(), MAX_SCRIPT_ELEMENT_SIZE));
}
scriptPubKey = GetScriptForDestination(CScriptID(scriptPubKey));
}

Loading…
Cancel
Save