Add getzerocoinpoolbalance rpc

src/rpc/misc.cpp

@@ -1582,8 +1582,7 @@ UniValue gettotalsupply(const JSONRPCRequest& request)
     if(!pblocktree->ReadTotalSupply(total))
         throw JSONRPCError(RPC_DATABASE_ERROR, "Cannot read the total supply from the database. This functionality requires -addressindex to be enabled. Enabling -addressindex requires reindexing.");
 
-    total += 49839700000000; // The actual amount of coins forged during the Zerocoin attacks (the negative balance after the pool closed)
-    total += 23750000000000; // The estimated amount of coins forged during the Lelantus attacks.
+    total += 49839700000000; // The actual amount of coins forged during the Zerocoin attacks (the negative balance after the pool closed), you can verify the number by calling  getzerocoinpoolbalance rpc
     total += 3131972000000; // The remaining amount of forged coins during CVE-2018-17144 attacks, after subtracting locked coins and burnt Coins sent to unrecoverable address https://explorer.firo.org/tx/0b53178c1b22bae4c04ef943ee6d6d30f2483327fe9beb54952951592e8ce368
 
     UniValue result(UniValue::VOBJ);
@@ -1592,6 +1591,44 @@ UniValue gettotalsupply(const JSONRPCRequest& request)
     return result;
 }
 
+UniValue getzerocoinpoolbalance(const JSONRPCRequest& request)
+{
+    if (request.fHelp || request.params.size() != 0)
+        throw std::runtime_error(
+                "getzerocoinpoolbalance\n"
+                "\nReturns the total coin amount, which remains after zerocoin pool closed.\n"
+                "\nArguments: none\n"
+                "\nResult:\n"
+                "{\n"
+                "  \"total\"  (string) The total balance\n"
+                "}\n"
+                "\nExamples:\n"
+                + HelpExampleCli("getzerocoinpoolbalance", "")
+                + HelpExampleRpc("getzerocoinpoolbalance", "")
+        );
+
+    CAmount nTotalAmount = 0;
+
+    // Iterate over all  mints
+    std::vector<std::pair<CAddressIndexKey, CAmount> > addressIndex;
+    if (GetAddressIndex(uint160(), AddressType::zerocoinMint, addressIndex)) {
+        for (std::vector<std::pair<CAddressIndexKey, CAmount> >::const_iterator it=addressIndex.begin(); it!=addressIndex.end(); it++) {
+            nTotalAmount += it->second;
+        }
+    }
+    addressIndex.clear();
+
+    // Iterate over all  spends
+    if (GetAddressIndex(uint160(), AddressType::zerocoinSpend, addressIndex)) {
+        for (std::vector < std::pair < CAddressIndexKey, CAmount > > ::const_iterator it = addressIndex.begin();
+             it != addressIndex.end(); it++) {
+            nTotalAmount += it->second;
+        }
+    }
+
+    return  UniValue(nTotalAmount);
+}
+
 UniValue getinfoex(const JSONRPCRequest& request)
 {
     if (request.fHelp || request.params.size() != 0)
@@ -1717,7 +1754,7 @@ static const CRPCCommand commands[] =
     /* Not shown in help */
     { "hidden",             "getinfoex",              &getinfoex,              false },
     { "addressindex",       "gettotalsupply",         &gettotalsupply,         false },
-
+    { "addressindex",       "getzerocoinpoolbalance", &getzerocoinpoolbalance,         false },
         /* Mobile related */
     { "mobile",             "getanonymityset",        &getanonymityset,        false  },
     { "mobile",             "getmintmetadata",        &getmintmetadata,        true  },