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[wallet] [rpc] Add loadwallet RPC

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The new `loadwallet` RPC method allows an existing wallet to be loaded
dynamically at runtime.

`unloadwallet` and `createwallet` are not implemented. Notably,
`loadwallet` can only be used to load existing wallets, not to create a
new wallet.
This commit is contained in:
John Newbery 2018-04-18 16:01:39 -04:00
parent 876eb64680
commit 5d152601e9
1 changed files with 48 additions and 0 deletions
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48
src/wallet/rpcwallet.cpp
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@ -2994,6 +2994,53 @@ static UniValue listwallets(const JSONRPCRequest& request)
return obj;
}
UniValue loadwallet(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() != 1)
throw std::runtime_error(
"loadwallet \"filename\"\n"
"\nLoads a wallet from a wallet file or directory."
"\nNote that all wallet command-line options used when starting bitcoind will be"
"\napplied to the new wallet (eg -zapwallettxes, upgradewallet, rescan, etc).\n"
"\nArguments:\n"
"1. \"filename\" (string, required) The wallet directory or .dat file.\n"
"\nResult:\n"
"{\n"
" \"name\" : <wallet_name>, (string) The wallet name if loaded successfully.\n"
" \"warning\" : <warning>, (string) Warning message if wallet was not loaded cleanly.\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("loadwallet", "\"test.dat\"")
+ HelpExampleRpc("loadwallet", "\"test.dat\"")
);
std::string wallet_file = request.params[0].get_str();
std::string error;
fs::path wallet_path = fs::absolute(wallet_file, GetWalletDir());
if (fs::symlink_status(wallet_path).type() == fs::file_not_found) {
throw JSONRPCError(RPC_WALLET_NOT_FOUND, "Wallet " + wallet_file + " not found.");
}
std::string warning;
if (!CWallet::Verify(wallet_file, false, error, warning)) {
throw JSONRPCError(RPC_WALLET_ERROR, "Wallet file verification failed: " + error);
}
CWallet * const wallet = CWallet::CreateWalletFromFile(wallet_file, fs::absolute(wallet_file, GetWalletDir()));
if (!wallet) {
throw JSONRPCError(RPC_WALLET_ERROR, "Wallet loading failed.");
}
AddWallet(wallet);
wallet->postInitProcess();
UniValue obj(UniValue::VOBJ);
obj.pushKV("name", wallet->GetName());
obj.pushKV("warning", warning);
return obj;
}
static UniValue resendwallettransactions(const JSONRPCRequest& request)
{
CWallet * const pwallet = GetWalletForJSONRPCRequest(request);
@ -4197,6 +4244,7 @@ static const CRPCCommand commands[] =
{ "wallet", "listtransactions", &listtransactions, {"account|dummy","count","skip","include_watchonly"} },
{ "wallet", "listunspent", &listunspent, {"minconf","maxconf","addresses","include_unsafe","query_options"} },
{ "wallet", "listwallets", &listwallets, {} },
{ "wallet", "loadwallet", &loadwallet, {"filename"} },
{ "wallet", "lockunspent", &lockunspent, {"unlock","transactions"} },
{ "wallet", "sendfrom", &sendfrom, {"fromaccount","toaddress","amount","minconf","comment","comment_to"} },
{ "wallet", "sendmany", &sendmany, {"fromaccount|dummy","amounts","minconf","comment","subtractfeefrom","replaceable","conf_target","estimate_mode"} },