return hashTx.GetHex();
}
+
+Value createmultisig(const Array& params, bool fHelp)
+{
+ if (fHelp || params.size() < 2 || params.size() > 3)
+ {
+ string msg = "createmultisig <nrequired> <'[\"key\",\"key\"]'>\n"
+ "\nCreates a multi-signature address with n signature of m keys required.\n"
+ "It returns a json object with the address and redeemScript.";
+ throw runtime_error(msg);
+ }
+
+ int nRequired = params[0].get_int();
+ const Array& keys = params[1].get_array();
+ string strAccount;
+
+ // Gather public keys
+ if (nRequired < 1)
+ throw runtime_error("a multisignature address must require at least one key to redeem");
+ if ((int)keys.size() < nRequired)
+ throw runtime_error(
+ strprintf("not enough keys supplied "
+ "(got %"PRIszu" keys, but need at least %d to redeem)", keys.size(), nRequired));
+ std::vector<CKey> pubkeys;
+ pubkeys.resize(keys.size());
+ for (unsigned int i = 0; i < keys.size(); i++)
+ {
+ const std::string& ks = keys[i].get_str();
+
+ // Case 1: Bitcoin address and we have full public key:
+ CBitcoinAddress address(ks);
+ if (address.IsValid())
+ {
+ CKeyID keyID;
+ if (!address.GetKeyID(keyID))
+ throw runtime_error(
+ strprintf("%s does not refer to a key",ks.c_str()));
+ CPubKey vchPubKey;
+ if (!pwalletMain->GetPubKey(keyID, vchPubKey))
+ throw runtime_error(
+ strprintf("no full public key for address %s",ks.c_str()));
+ if (!vchPubKey.IsValid() || !pubkeys[i].SetPubKey(vchPubKey))
+ throw runtime_error(" Invalid public key: "+ks);
+ }
+
+ // Case 2: hex public key
+ else if (IsHex(ks))
+ {
+ CPubKey vchPubKey(ParseHex(ks));
+ if (!vchPubKey.IsValid() || !pubkeys[i].SetPubKey(vchPubKey))
+ throw runtime_error(" Invalid public key: "+ks);
+ }
+ else
+ {
+ throw runtime_error(" Invalid public key: "+ks);
+ }
+ }
+
+ // Construct using pay-to-script-hash:
+ CScript inner;
+ inner.SetMultisig(nRequired, pubkeys);
+
+ CScriptID innerID = inner.GetID();
+ CBitcoinAddress address(innerID);
+
+ Object result;
+ result.push_back(Pair("address", address.ToString()));
+ result.push_back(Pair("redeemScript", HexStr(inner.begin(), inner.end())));
+
+ return result;
+}