Implemented keva_pending.

src/keva/main.cpp

@@ -74,16 +74,30 @@ CKevaMemPool::getUnconfirmedKeyValue(const valtype& nameSpace, const valtype& ke
   return found;
 }
 
-bool
-CKevaMemPool::getUnconfirmedNamespaces(std::vector<std::tuple<valtype, valtype>>& nameSpaces) const {
-  bool found = false;
+void
+CKevaMemPool::getUnconfirmedKeyValueList(std::vector<std::tuple<valtype, valtype, valtype, uint256>>& keyValueList, const valtype& nameSpace) {
+  bool matchNamespace = nameSpace.size() > 0;
+  for (auto entry : listUnconfirmedKeyValues) {
+    auto txid = std::get<0>(entry);
+    auto n = std::get<1>(entry);
+    auto k = std::get<2>(entry);
+    auto v = std::get<3>(entry);
+    if (!matchNamespace) {
+      keyValueList.push_back(std::make_tuple(n, k, v, txid));
+    } else if (n == nameSpace) {
+      keyValueList.push_back(std::make_tuple(n, k, v, txid));
+    }
+  }
+}
+
+void
+CKevaMemPool::getUnconfirmedNamespaceList(std::vector<std::tuple<valtype, valtype, uint256>>& nameSpaces) const {
   for (auto entry : listUnconfirmedNamespaces) {
+    auto txid = std::get<0>(entry);
     auto ns = std::get<1>(entry);
     auto displayName = std::get<2>(entry);
-    nameSpaces.push_back(std::make_tuple(ns, displayName));
-    found = true;
+    nameSpaces.push_back(std::make_tuple(ns, displayName, txid));
   }
-  return found;
 }
 
 void CKevaMemPool::remove(const CTxMemPoolEntry& entry)

src/keva/main.h

@@ -177,11 +177,14 @@ public:
   bool checkTx (const CTransaction& tx) const;
 
   /** Keva get unconfirmed namespaces. */
-  bool getUnconfirmedNamespaces(std::vector<std::tuple<valtype, valtype>>& nameSpaces) const;
+  void getUnconfirmedNamespaceList(std::vector<std::tuple<valtype, valtype, uint256>>& nameSpaces) const;
 
   /** Keva get unconfirmed key value. */
   bool getUnconfirmedKeyValue(const valtype& nameSpace, const valtype& key, valtype& value) const;
 
+  /** Keva get list of unconfirmed key value list. */
+  void getUnconfirmedKeyValueList(std::vector<std::tuple<valtype, valtype, valtype, uint256>>& keyValueList, const valtype& nameSpace);
+
 };
 
 /* ************************************************************************** */

src/txmempool.cpp

@@ -1087,8 +1087,12 @@ bool CTxMemPool::getUnconfirmedKeyValue(const valtype& nameSpace, const valtype&
     return kevaMemPool.getUnconfirmedKeyValue(nameSpace, key, value);
 }
 
-bool CTxMemPool::getUnconfirmedNamespaces(std::vector<std::tuple<valtype, valtype>>& nameSpaces) const {
-    return kevaMemPool.getUnconfirmedNamespaces(nameSpaces);
+void CTxMemPool::getUnconfirmedNamespaceList(std::vector<std::tuple<valtype, valtype, uint256>>& nameSpaces) const {
+    return kevaMemPool.getUnconfirmedNamespaceList(nameSpaces);
+}
+
+void CTxMemPool::getUnconfirmedKeyValueList(std::vector<std::tuple<valtype, valtype, valtype, uint256>>& keyValueList, const valtype& nameSpace) {
+    kevaMemPool.getUnconfirmedKeyValueList(keyValueList, nameSpace);
 }
 
 SaltedTxidHasher::SaltedTxidHasher() : k0(GetRand(std::numeric_limits<uint64_t>::max())), k1(GetRand(std::numeric_limits<uint64_t>::max())) {}

src/txmempool.h

@@ -682,8 +682,7 @@ public:
      * @param tx The tx that should be added.
      * @return True if it doesn't conflict.
      */
-    inline bool
-    checkNameOps (const CTransaction& tx) const
+    inline bool checkKevaOps(const CTransaction& tx) const
     {
         AssertLockHeld(cs);
         return kevaMemPool.checkTx(tx);
@@ -693,7 +692,10 @@ public:
     bool getUnconfirmedKeyValue(const valtype& nameSpace, const valtype& key, valtype& value) const;
 
     /** Keva get unconfirmed namespaces. */
-    bool getUnconfirmedNamespaces(std::vector<std::tuple<valtype, valtype>>& nameSpaces) const;
+    void getUnconfirmedNamespaceList(std::vector<std::tuple<valtype, valtype, uint256>>& nameSpaces) const;
+
+    /** Keva get list of unconfirmed key value list. */
+    void getUnconfirmedKeyValueList(std::vector<std::tuple<valtype, valtype, valtype, uint256>>& keyValueList, const valtype& nameSpace);
 
     CTransactionRef get(const uint256& hash) const;
     TxMempoolInfo info(const uint256& hash) const;

src/validation.cpp

@@ -637,7 +637,7 @@ static bool AcceptToMemoryPoolWorker(const CChainParams& chainparams, CTxMemPool
         }
     }
 
-    if (!pool.checkNameOps(tx)) {
+    if (!pool.checkKevaOps(tx)) {
         return false;
     }
 

src/wallet/rpckeva.cpp

@@ -185,11 +185,10 @@ UniValue keva_list_namespaces(const JSONRPCRequest& request)
   {
     LOCK (mempool.cs);
     // Also get the unconfirmed ones from mempool.
-    std::vector<std::tuple<valtype, valtype>> unconfirmedNamespaces;
-    if (mempool.getUnconfirmedNamespaces(unconfirmedNamespaces)) {
-      for (auto entry : unconfirmedNamespaces) {
-        res.push_back(EncodeBase58(std::get<0>(entry)) + " : " + ValtypeToString(std::get<1>(entry)));
-      }
+    std::vector<std::tuple<valtype, valtype, uint256>> unconfirmedNamespaces;
+    mempool.getUnconfirmedNamespaceList(unconfirmedNamespaces);
+    for (auto entry : unconfirmedNamespaces) {
+      res.push_back(EncodeBase58(std::get<0>(entry)) + " : " + ValtypeToString(std::get<1>(entry)));
     }
   }
 
@@ -340,3 +339,71 @@ UniValue keva_get(const JSONRPCRequest& request)
 
   return ValtypeToString(value);
 }
+
+UniValue keva_pending(const JSONRPCRequest& request)
+{
+  if (request.fHelp || request.params.size () > 1)
+    throw std::runtime_error (
+        "keva_pending (\"namespace\")\n"
+        "\nList unconfirmed keva operations in the mempool.\n"
+        "\nIf a namespace is given, only check for operations on this namespace.\n"
+        "\nArguments:\n"
+        "1. \"namespace\"        (string, optional) only look for this namespace\n"
+        "\nResult:\n"
+        "[\n"
+        "  {\n"
+        "    \"op\": xxxx       (string) the operation being performed\n"
+        "    \"name\": xxxx     (string) the namespace operated on\n"
+        "    \"value\": xxxx    (string) the namespace's new value\n"
+        "    \"txid\": xxxx     (string) the txid corresponding to the operation\n"
+        "    \"ismine\": xxxx   (boolean) whether the name is owned by the wallet\n"
+        "  },\n"
+        "  ...\n"
+        "]\n"
+        + HelpExampleCli ("keva_pending", "")
+        + HelpExampleCli ("keva_pending", "\"NJdZVkeerpgxqFM2oAzitVU8xsdj7\"")
+        + HelpExampleRpc ("keva_pending", "")
+      );
+
+  ObserveSafeMode ();
+
+  std::string namespaceStr;
+  valtype nameSpace;
+
+  if (request.params.size() == 1) {
+    RPCTypeCheckArgument(request.params[0], UniValue::VSTR);
+    namespaceStr = request.params[0].get_str();
+    if (!DecodeBase58(namespaceStr, nameSpace)) {
+      throw JSONRPCError (RPC_INVALID_PARAMETER, "failed to decode namespace");
+    }
+  }
+
+  LOCK (mempool.cs);
+
+  std::vector<std::tuple<valtype, valtype, uint256>> unconfirmedNamespaces;
+  mempool.getUnconfirmedNamespaceList(unconfirmedNamespaces);
+
+  std::vector<std::tuple<valtype, valtype, valtype, uint256>> unconfirmedKeyValueList;
+  mempool.getUnconfirmedKeyValueList(unconfirmedKeyValueList, nameSpace);
+
+  UniValue arr(UniValue::VARR);
+
+  for (auto entry: unconfirmedNamespaces) {
+    UniValue obj(UniValue::VOBJ);
+    obj.pushKV("namespace", EncodeBase58(std::get<0>(entry)));
+    obj.pushKV("display name", ValtypeToString(std::get<1>(entry)));
+    obj.pushKV("txid", std::get<2>(entry).ToString());
+    arr.push_back(obj);
+  }
+
+  for (auto entry: unconfirmedKeyValueList) {
+    UniValue obj(UniValue::VOBJ);
+    obj.pushKV("namespace", EncodeBase58(std::get<0>(entry)));
+    obj.pushKV("key", ValtypeToString(std::get<1>(entry)));
+    obj.pushKV("value", ValtypeToString(std::get<2>(entry)));
+    obj.pushKV("txid", std::get<3>(entry).ToString());
+    arr.push_back(obj);
+  }
+
+  return arr;
+}

src/wallet/rpcwallet.cpp

@@ -3595,6 +3595,7 @@ 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);
+extern UniValue keva_pending(const JSONRPCRequest& request);
 
 static const CRPCCommand commands[] =
 { //  category              name                        actor (function)           argNames
@@ -3657,7 +3658,8 @@ static const CRPCCommand commands[] =
     { "kevacoin",           "keva_namespace",           &keva_namespace,           {"display_name"} },
     { "kevacoin",           "keva_list_namespaces",     &keva_list_namespaces,     {} },
     { "kevacoin",           "keva_put",                 &keva_put,                 {"namespace", "key", "value"} },
-    { "kevacoin",           "keva_get",                 &keva_get,                 {"namespace", "key"} }
+    { "kevacoin",           "keva_get",                 &keva_get,                 {"namespace", "key"} },
+    { "kevacoin",           "keva_pending",             &keva_pending,             {"namespace"} }
 };
 
 void RegisterWalletRPCCommands(CRPCTable &t)