Started working on instant results.

src/keva/main.cpp

@@ -49,25 +49,51 @@ void
 CKevaMemPool::addUnchecked (const uint256& hash, const CTxMemPoolEntry& entry)
 {
   AssertLockHeld (pool.cs);
-
   if (entry.isNamespaceRegistration()) {
     const valtype& nameSpace = entry.getNamespace();
     assert(mapNamespaceRegs.count(nameSpace) == 0);
     mapNamespaceRegs.insert(std::make_pair(nameSpace, hash));
+    listUnconfirmedNamespaces.push_back(std::make_tuple(hash, nameSpace, entry.getDisplayName()));
   }
 
   if (entry.isNamespaceKeyUpdate ()) {
     const valtype& nameSpace = entry.getNamespace();
     assert(mapNamespaceUpdates.count(nameSpace) == 0);
+    std::string(nameSpace.begin(), nameSpace.end()).c_str(), std::string(entry.getKey().begin(), entry.getKey().end()).c_str());
     mapNamespaceUpdates.insert (std::make_pair(nameSpace, hash));
+    listUnconfirmedKeyValues.push_back(std::make_tuple(hash, nameSpace, entry.getKey(), entry.getValue()));
   }
 }
 
-void
-CKevaMemPool::remove (const CTxMemPoolEntry& entry)
+bool
+CKevaMemPool::getUnconfirmedKeyValue(const valtype& nameSpace, const valtype& key, valtype& value) const {
+  bool found = false;
+  for (auto entry : listUnconfirmedKeyValues) {
+    auto ns = std::get<1>(entry);
+    auto k = std::get<2>(entry);
+    if (ns == nameSpace && key == k) {
+      value = std::get<3>(entry);
+      found = true;
+    }
+  }
+  return found;
+}
+
+bool
+CKevaMemPool::getUnconfirmedNamespaces(std::vector<std::tuple<valtype, valtype>>& nameSpaces) const {
+  bool found = false;
+  for (auto entry : listUnconfirmedNamespaces) {
+    auto ns = std::get<1>(entry);
+    auto displayName = std::get<2>(entry);
+    nameSpaces.push_back(std::make_tuple(ns, displayName));
+    found = true;
+  }
+  return found;
+}
+
+void CKevaMemPool::remove(const CTxMemPoolEntry& entry)
 {
   AssertLockHeld (pool.cs);
-
   if (entry.isNamespaceRegistration()) {
     const NamespaceTxMap::iterator mit = mapNamespaceRegs.find(entry.getNamespace());
     assert (mit != mapNamespaceRegs.end());

src/keva/main.h

@@ -136,6 +136,18 @@ private:
    */
   NamespaceTxMap mapNamespaceUpdates;
 
+  /**
+   * Pending/unconfirmed namespaces.
+   * Tuple: txid, namespace, display name
+   */
+  std::vector<std::tuple<uint256, valtype, valtype>> listUnconfirmedNamespaces;
+
+  /**
+   * Pending/unconfirmed key-values.
+   * Tuple: txid, namespace, key, value
+   */
+  std::vector<std::tuple<uint256, valtype, valtype, valtype>> listUnconfirmedKeyValues;
+
   /**
    * Validate that the namespace is the hash of the first TxIn.
    */
@@ -232,6 +244,12 @@ public:
    */
   bool checkTx (const CTransaction& tx) const;
 
+  /** Keva get unconfirmed namespaces. */
+  bool getUnconfirmedNamespaces(std::vector<std::tuple<valtype, valtype>>& nameSpaces) const;
+
+  /** Keva get unconfirmed key value. */
+  bool getUnconfirmedKeyValue(const valtype& nameSpace, const valtype& key, valtype& value) const;
+
 };
 
 /* ************************************************************************** */

src/txmempool.cpp

@@ -1083,4 +1083,12 @@ bool CTxMemPool::TransactionWithinChainLimit(const uint256& txid, size_t chainLi
        it->GetCountWithDescendants() < chainLimit);
 }
 
+bool CTxMemPool::getUnconfirmedKeyValue(const valtype& nameSpace, const valtype& key, valtype& value) const {
+    return kevaMemPool.getUnconfirmedKeyValue(nameSpace, key, value);
+}
+
+bool CTxMemPool::getUnconfirmedNamespaces(std::vector<std::tuple<valtype, valtype>>& nameSpaces) const {
+    return kevaMemPool.getUnconfirmedNamespaces(nameSpaces);
+}
+
 SaltedTxidHasher::SaltedTxidHasher() : k0(GetRand(std::numeric_limits<uint64_t>::max())), k1(GetRand(std::numeric_limits<uint64_t>::max())) {}

src/txmempool.h

@@ -147,11 +147,21 @@ public:
         return kevaOp.getOpNamespace();
     }
 
+    inline const valtype& getDisplayName() const
+    {
+        return kevaOp.getOpNamespaceDisplayName();
+    }
+
     inline const valtype& getKey() const
     {
         return kevaOp.getOpKey();
     }
 
+    inline const valtype& getValue() const
+    {
+        return kevaOp.getOpValue();
+    }
+
     mutable size_t vTxHashesIdx; //!< Index in mempool's vTxHashes
 };
 
@@ -697,6 +707,12 @@ public:
         return kevaMemPool.checkTx(tx);
     }
 
+    /** Keva get unconfirmed key values. */
+    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;
+
     CTransactionRef get(const uint256& hash) const;
     TxMempoolInfo info(const uint256& hash) const;
     std::vector<TxMempoolInfo> infoAll() const;

src/wallet/rpckeva.cpp

@@ -182,6 +182,17 @@ UniValue keva_list_namespaces(const JSONRPCRequest& request)
     res.push_back(item.first + " : " + item.second);
   }
 
+  {
+    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)));
+      }
+    }
+  }
+
   return res;
 }
 
@@ -330,9 +341,19 @@ UniValue keva_get(const JSONRPCRequest& request)
   {
     LOCK (cs_main);
     if (!pcoinsTip->GetName(nameSpace, key, data)) {
-      throw JSONRPCError (RPC_TRANSACTION_ERROR, "key not found");
+      //throw JSONRPCError (RPC_TRANSACTION_ERROR, "key not found");
     }
   }
 
-  return ValtypeToString(data.getValue());
+  auto value = data.getValue();
+  // Also get the unconfirmed ones.
+  {
+    LOCK (mempool.cs);
+    valtype val;
+    if (mempool.getUnconfirmedKeyValue(nameSpace, key, val)) {
+      value = val;
+    }
+  }
+
+  return ValtypeToString(value);
 }

src/wallet/rpcwallet.cpp

@@ -1203,7 +1203,7 @@ UniValue sendmany(const JSONRPCRequest& request)
     CAmount nFeeRequired = 0;
     int nChangePosRet = -1;
     std::string strFailReason;
-    std::vector<unsigned char> empty; empty;
+    std::vector<unsigned char> empty;
     bool fCreated = pwallet->CreateTransaction(vecSend, nullptr, empty, wtx, keyChange, nFeeRequired, nChangePosRet, strFailReason, coin_control);
     if (!fCreated)
         throw JSONRPCError(RPC_WALLET_INSUFFICIENT_FUNDS, strFailReason);