message: Sanity-check script sizes in bitcoin-tx
  Github-Pull:
  Rebased-From:
diff: @@ -355,6 +355,10 @@ 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 address for the redeem script, then call
  // GetScriptForDestination() to construct a P2SH scriptPubKey.
  CBitcoinAddress addr(scriptPubKey);
  @@ -417,10 +421,19 @@ 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));
  + }
  CBitcoinAddress addr(scriptPubKey);
  scriptPubKey = GetScriptForDestination(addr.Get());
  }
  