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Implemented keva_get.

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This commit is contained in:
Jianping Wu 2018-11-02 14:33:50 -07:00
parent 0d808fcdd0
commit 11746152dc
2 changed files with 58 additions and 2 deletions
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56
src/wallet/rpckeva.cpp
View File

@ -185,7 +185,7 @@ UniValue keva_put(const JSONRPCRequest& request)
return NullUniValue;
}
if (request.fHelp) {
if (request.fHelp || request.params.size() != 3) {
throw std::runtime_error (
"keva_put \"namespace\" \"key\" \"value\" (\"create_namespace\")\n"
"\nUpdate a name and possibly transfer it.\n"
@ -201,6 +201,11 @@ UniValue keva_put(const JSONRPCRequest& request)
);
}
RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VSTR, UniValue::VSTR});
RPCTypeCheckArgument(request.params[0], UniValue::VSTR);
RPCTypeCheckArgument(request.params[1], UniValue::VSTR);
RPCTypeCheckArgument(request.params[2], UniValue::VSTR);
ObserveSafeMode ();
const std::string namespaceStr = request.params[0].get_str ();
@ -268,3 +273,52 @@ UniValue keva_put(const JSONRPCRequest& request)
return wtx.GetHash().GetHex();
}
UniValue keva_get(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 (
"keva_get \"namespace\" \"key\"\n"
"\nGet value of the given key.\n"
+ HelpRequiringPassphrase (pwallet) +
"\nArguments:\n"
"1. \"namespace\" (string, required) the namespace to insert the key to\n"
"2. \"key\" (string, required) value for the key\n"
"\nResult:\n"
"\"value\" (string) the value associated with the key\n"
"\nExamples:\n"
+ HelpExampleCli ("keva_get", "\"namespace_id\", \"key\"")
);
}
RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VSTR});
RPCTypeCheckArgument(request.params[0], UniValue::VSTR);
RPCTypeCheckArgument(request.params[1], UniValue::VSTR);
ObserveSafeMode ();
const std::string namespaceStr = request.params[0].get_str ();
const valtype nameSpace = ValtypeFromString (namespaceStr);
if (nameSpace.size () > MAX_NAMESPACE_LENGTH)
throw JSONRPCError (RPC_INVALID_PARAMETER, "the namespace is too long");
const std::string keyStr = request.params[1].get_str ();
const valtype key = ValtypeFromString (keyStr);
if (key.size () > MAX_KEY_LENGTH)
throw JSONRPCError (RPC_INVALID_PARAMETER, "the key is too long");
CKevaData data;
{
LOCK (cs_main);
if (!pcoinsTip->GetName(nameSpace, key, data)) {
throw JSONRPCError (RPC_TRANSACTION_ERROR, "key not found");
}
}
return ValtypeToString(data.getValue());
}

4
src/wallet/rpcwallet.cpp
View File

@ -3585,6 +3585,7 @@ extern UniValue rescanblockchain(const JSONRPCRequest& request);
// in rpckeva.cpp
extern UniValue keva_namespace(const JSONRPCRequest& request);
extern UniValue keva_put(const JSONRPCRequest& request);
extern UniValue keva_get(const JSONRPCRequest& request);
extern UniValue keva_list_namespaces(const JSONRPCRequest& request);
static const CRPCCommand commands[] =
@ -3647,7 +3648,8 @@ static const CRPCCommand commands[] =
// Kevacoin-specific wallet calls.
{ "kevacoin", "keva_namespace", &keva_namespace, {"display_name"} },
{ "kevacoin", "keva_list_namespaces", &keva_list_namespaces, {} },
{ "kevacoin", "keva_put", &keva_put, {"namespace", "key", "value", "put_value"} }
{ "kevacoin", "keva_put", &keva_put, {"namespace", "key", "value"} },
{ "kevacoin", "keva_get", &keva_get, {"namespace", "key"} }
};
void RegisterWalletRPCCommands(CRPCTable &t)