diff options
Diffstat (limited to 'src/wallet/rpcwallet.cpp')
| -rw-r--r-- | src/wallet/rpcwallet.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp index 94e61aa20e..a7b2b05d9b 100644 --- a/src/wallet/rpcwallet.cpp +++ b/src/wallet/rpcwallet.cpp @@ -4079,6 +4079,76 @@ static UniValue listlabels(const JSONRPCRequest& request) return ret; } +UniValue sethdseed(const JSONRPCRequest& request) +{ + CWallet* const pwallet = GetWalletForJSONRPCRequest(request); + + if (!EnsureWalletIsAvailable(pwallet, request.fHelp)) { + return NullUniValue; + } + + if (request.fHelp || request.params.size() > 2) { + throw std::runtime_error( + "sethdseed ( \"newkeypool\" \"seed\" )\n" + "\nSet or generate a new HD wallet seed. Non-HD wallets will not be upgraded to being a HD wallet. Wallets that are already\n" + "HD will have a new HD seed set so that new keys added to the keypool will be derived from this new seed.\n" + "\nNote that you will need to MAKE A NEW BACKUP of your wallet after setting the HD wallet seed.\n" + + HelpRequiringPassphrase(pwallet) + + "\nArguments:\n" + "1. \"newkeypool\" (boolean, optional, default=true) Whether to flush old unused addresses, including change addresses, from the keypool and regenerate it.\n" + " If true, the next address from getnewaddress and change address from getrawchangeaddress will be from this new seed.\n" + " If false, addresses (including change addresses if the wallet already had HD Chain Split enabled) from the existing\n" + " keypool will be used until it has been depleted.\n" + "2. \"seed\" (string, optional) The WIF private key to use as the new HD seed; if not provided a random seed will be used.\n" + " The seed value can be retrieved using the dumpwallet command. It is the private key marked hdmaster=1\n" + "\nExamples:\n" + + HelpExampleCli("sethdseed", "") + + HelpExampleCli("sethdseed", "false") + + HelpExampleCli("sethdseed", "true \"wifkey\"") + + HelpExampleRpc("sethdseed", "true, \"wifkey\"") + ); + } + + if (IsInitialBlockDownload()) { + throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Cannot set a new HD seed while still in Initial Block Download"); + } + + LOCK2(cs_main, pwallet->cs_wallet); + + // Do not do anything to non-HD wallets + if (!pwallet->IsHDEnabled()) { + throw JSONRPCError(RPC_WALLET_ERROR, "Cannot set a HD seed on a non-HD wallet. Start with -upgradewallet in order to upgrade a non-HD wallet to HD"); + } + + EnsureWalletIsUnlocked(pwallet); + + bool flush_key_pool = true; + if (!request.params[0].isNull()) { + flush_key_pool = request.params[0].get_bool(); + } + + CPubKey master_pub_key; + if (request.params[1].isNull()) { + master_pub_key = pwallet->GenerateNewHDMasterKey(); + } else { + CKey key = DecodeSecret(request.params[1].get_str()); + if (!key.IsValid()) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Invalid private key"); + } + + if (HaveKey(*pwallet, key)) { + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Already have this key (either as an HD seed or as a loose private key)"); + } + + master_pub_key = pwallet->DeriveNewMasterHDKey(key); + } + + pwallet->SetHDMasterKey(master_pub_key); + if (flush_key_pool) pwallet->NewKeyPool(); + + return NullUniValue; +} + extern UniValue abortrescan(const JSONRPCRequest& request); // in rpcdump.cpp extern UniValue dumpprivkey(const JSONRPCRequest& request); // in rpcdump.cpp extern UniValue importprivkey(const JSONRPCRequest& request); @@ -4139,6 +4209,7 @@ static const CRPCCommand commands[] = { "wallet", "walletpassphrase", &walletpassphrase, {"passphrase","timeout"} }, { "wallet", "removeprunedfunds", &removeprunedfunds, {"txid"} }, { "wallet", "rescanblockchain", &rescanblockchain, {"start_height", "stop_height"} }, + { "wallet", "sethdseed", &sethdseed, {"newkeypool","seed"} }, /** Account functions (deprecated) */ { "wallet", "getaccountaddress", &getlabeladdress, {"account"} }, |