UniValue createmultisig(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() < 2 || request.params.size() > 2)
{
std::string msg = "createmultisig nrequired [\"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.\n"
"\nArguments:\n"
"1. nrequired (numeric, required) The number of required signatures out of the n keys.\n"
"2. \"keys\" (string, required) A json array of hex-encoded public keys\n"
" [\n"
" \"key\" (string) The hex-encoded public key\n"
" ,...\n"
" ]\n"
"\nResult:\n"
"{\n"
" \"address\":\"multisigaddress\", (string) The value of the new multisig address.\n"
" \"redeemScript\":\"script\" (string) The string value of the hex-encoded redemption script.\n"
"}\n"
"\nExamples:\n"
"\nCreate a multisig address from 2 public keys\n"
+ HelpExampleCli("createmultisig", "2 \"[\\\"03789ed0bb717d88f7d321a368d905e7430207ebbd82bd342cf11ae157a7ace5fd\\\",\\\"03dbc6764b8884a92e871274b87583e6d5c2a58819473e17e107ef3f6aa5a61626\\\"]\"") +
"\nAs a json rpc call\n"
+ HelpExampleRpc("createmultisig", "2, \"[\\\"03789ed0bb717d88f7d321a368d905e7430207ebbd82bd342cf11ae157a7ace5fd\\\",\\\"03dbc6764b8884a92e871274b87583e6d5c2a58819473e17e107ef3f6aa5a61626\\\"]\"")
;
throw std::runtime_error(msg);
}
int required = request.params[0].get_int();
// Get the public keys
const UniValue& keys = request.params[1].get_array();
std::vector<CPubKey> pubkeys;
for (unsigned int i = 0; i < keys.size(); ++i) {
if (IsHex(keys[i].get_str()) && (keys[i].get_str().length() == 66 || keys[i].get_str().length() == 130)) {
pubkeys.push_back(HexToPubKey(keys[i].get_str()));
} else {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Invalid public key: %s\nNote that from v0.16, createmultisig no longer accepts addresses."
" Users must use addmultisigaddress to create multisig addresses with addresses known to the wallet.", keys[i].get_str()));
}
}
// Construct using pay-to-script-hash:
CScript inner = CreateMultisigRedeemscript(required, pubkeys);
CScriptID innerID(inner);
UniValue result(UniValue::VOBJ);
result.pushKV("address", EncodeDestination(innerID));
result.pushKV("redeemScript", HexStr(inner.begin(), inner.end()));
return result;
}
UniValue createmultisig(const JSONRPCRequest& request)
{
#ifdef ENABLE_WALLET
CWallet * const pwallet = GetWalletForJSONRPCRequest(request);
#else
CWallet * const pwallet = NULL;
#endif
if (request.fHelp || request.params.size() < 2 || request.params.size() > 2)
{
std::string msg = "createmultisig nrequired [\"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.\n"
"\nArguments:\n"
"1. nrequired (numeric, required) The number of required signatures out of the n keys or addresses.\n"
"2. \"keys\" (string, required) A json array of keys which are bitcoin addresses or hex-encoded public keys\n"
" [\n"
" \"key\" (string) bitcoin address or hex-encoded public key\n"
" ,...\n"
" ]\n"
"\nResult:\n"
"{\n"
" \"address\":\"multisigaddress\", (string) The value of the new multisig address.\n"
" \"redeemScript\":\"script\" (string) The string value of the hex-encoded redemption script.\n"
"}\n"
"\nExamples:\n"
"\nCreate a multisig address from 2 addresses\n"
+ HelpExampleCli("createmultisig", "2 \"[\\\"16sSauSf5pF2UkUwvKGq4qjNRzBZYqgEL5\\\",\\\"171sgjn4YtPu27adkKGrdDwzRTxnRkBfKV\\\"]\"") +
"\nAs a json rpc call\n"
+ HelpExampleRpc("createmultisig", "2, \"[\\\"16sSauSf5pF2UkUwvKGq4qjNRzBZYqgEL5\\\",\\\"171sgjn4YtPu27adkKGrdDwzRTxnRkBfKV\\\"]\"")
;
throw std::runtime_error(msg);
}
// Construct using pay-to-script-hash:
CScript inner = _createmultisig_redeemScript(pwallet, request.params);
CScriptID innerID(inner);
CBitcoinAddress address(innerID);
UniValue result(UniValue::VOBJ);
result.push_back(Pair("address", address.ToString()));
result.push_back(Pair("redeemScript", HexStr(inner.begin(), inner.end())));
return result;
}
bool MultisigDialog::addMultisig(int m, vector<string> keys){
try{
string error;
CScript redeem;
if(!createRedeemScript(m, keys, redeem, error)){
throw runtime_error(error.data());
}
if (::IsMine(*pwalletMain, redeem) == ISMINE_SPENDABLE){
throw runtime_error("The wallet already contains this script");
}
if(!pwalletMain->AddCScript(redeem)){
throw runtime_error("Failure: address invalid or already exists");
}
CScriptID innerID(redeem);
string label = ui->multisigAddressLabel->text().toStdString();
pwalletMain->SetAddressBook(innerID, label, "receive");
if (!pwalletMain->AddMultiSig(redeem)){
throw runtime_error("Failure: unable to add address as watch only");
}
ui->addMultisigStatus->setStyleSheet("QLabel { color: black; }");
ui->addMultisigStatus->setText("Multisignature address " +
QString::fromStdString(CBitcoinAddress(innerID).ToString()) +
" has been added to the wallet.\nSend the redeem below for other owners to import:\n" +
QString::fromStdString(redeem.ToString()));
}catch(const runtime_error& e) {
ui->addMultisigStatus->setStyleSheet("QLabel { color: red; }");
ui->addMultisigStatus->setText(tr(e.what()));
return false;
}
return true;
}