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;
}
static UniValue createmultisig(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() < 2 || request.params.size() > 3)
{
std::string msg = "createmultisig nrequired [\"key\",...] ( \"address_type\" )\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"
"3. \"address_type\" (string, optional) The address type to use. Options are \"legacy\", \"p2sh-segwit\", and \"bech32\". Default is legacy.\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\n.", keys[i].get_str()));
}
}
// Get the output type
OutputType output_type = OutputType::LEGACY;
if (!request.params[2].isNull()) {
if (!ParseOutputType(request.params[2].get_str(), output_type)) {
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, strprintf("Unknown address type '%s'", request.params[2].get_str()));
}
}
// Construct using pay-to-script-hash:
const CScript inner = CreateMultisigRedeemscript(required, pubkeys);
CBasicKeyStore keystore;
const CTxDestination dest = AddAndGetDestinationForScript(keystore, inner, output_type);
UniValue result(UniValue::VOBJ);
result.pushKV("address", EncodeDestination(dest));
result.pushKV("redeemScript", HexStr(inner.begin(), inner.end()));
return result;
}
