From 24dcc080d67156c5393bf609fdaa031dba3ef7b3 Mon Sep 17 00:00:00 2001
From: Abhishek Sinha <avishkarabhishek786@gmail.com>
Date: Thu, 7 Nov 2019 16:13:40 +0530
Subject: [PATCH] modified cash handler page to work with multiple supernodes
 simultaneously

---
 supernode/cash_payments_handler.html | 597 ++++++++++++++++-----------
 supernode/index.html                 | 392 +++++++++++-------
 2 files changed, 597 insertions(+), 392 deletions(-)

diff --git a/supernode/cash_payments_handler.html b/supernode/cash_payments_handler.html
index 5de0170..aad4039 100644
--- a/supernode/cash_payments_handler.html
+++ b/supernode/cash_payments_handler.html
@@ -11334,14 +11334,15 @@
     <!-- CASH PAYMENTS HANDLER SCRIPT START -->
 
     <script>
-      (function payments_handler() {
+      //(function payments_handler() {
         /* CODE_JUNCTION: localbitcoinplusplus object init */
 
         var localbitcoinplusplus = {
           wallets: {},
           trade: {},
           rpc: {},
-          master_configurations: {}
+          master_configurations: {},
+          supernode_conns: {},
         };
 
         Object.defineProperty(localbitcoinplusplus, "server", {
@@ -11359,6 +11360,16 @@
           enumerable: false
         });
 
+        Object.defineProperty(localbitcoinplusplus, "assets", {
+          value: {
+              BTC: "BTC_TEST",
+              FLO: "FLO_TEST"
+          },
+          writable: false,
+          configurable: false,
+          enumerable: false
+        });
+
         Object.defineProperty(localbitcoinplusplus, "RM_FLO_SENDING_ADDR", {
           value: "ocKKEivXC3TA8yf3ZEyh2kRMDgSh99y1a7",
           writable: false,
@@ -11920,6 +11931,26 @@
 
         localbitcoinplusplus.actions = {
           parse_flo_comments: async function(callback) {
+            text = `masterFLOPubKey=03EA5E2CAB18DA585400D6EC569438D415FAF200528E05D0E2B9BEAA2B5C3DCA90
+            #!#tradableAsset1=BTC,FLO,BTC_TEST,FLO_TEST#!#tradableAsset2=INR,USD,
+            #!#validTradingAmount=10,50,100,#!#btcTradeMargin=5000
+            #!#MaxBackups=1
+            #!#miners_fee={"btc":0.0003, "flo":0.0003}
+            #!#supernodesPubKeys=0315C3A20FE7096CC2E0F81A80D5F1A687B8F9EFA65242A0B0881E1BA3EE7D7D53,
+            03F7493F11B8E44B9798CD434D20FBE7FA34B9779D144984889D11A17C56A18742,039B4AA00DBFC0A6631DE6DA83526611A0E6B857D3579DF840BBDEAE8B6898E3B6,
+            03C8E3836C9A77E2AF03D4265D034BA85732738919708EAF6A16382195AE796EDF,0349B08AA1ABDCFFB6D78CD7C949665AD2FF065EA02B3C6C47A5E9592C9A1C6BCB,
+            026FCC6CFF6EB3A39E54BEB6E13FC2F02C3A93F4767AA80E49E7E876443F95AE5F,
+            #!#assets={"BTC":"BTC_TEST","FLO":"FLO_TEST"}
+            #!#externalFiles={"d3js":"58f54395efa8346e8e94d12609770f66b916897e7f4e05f6c98780cffa5c70a3"}
+            #!#cashiers={"032871A74D2DDA9D0DE7135F58B5BD2D7F679D2CCA20EA7909466D1A6912DF4022":"johnDoe@upi",
+            "03DB4A12EB543B293DDBB0CE314C46C36D6761294AFBB7264A6D78F710FFD97CF0":"janeDoe@upi"}
+            #!#ShamirsMaxShares=8#!#supernodeSeeds={"ranchimall1":{"ip":"127.0.0.1","port":"9111","kbucketId":"oZxHcbSf1JC8t5GjutopWYXs7C6Fe9p7ps"},
+            "ranchimall2":{"ip":"127.0.0.1","port":"9112","kbucketId":"oTWjPupy3Z7uMdPcu5uXd521HBkcsLuSuM"},
+            "ranchimall3":{"ip":"127.0.0.1","port":"9113","kbucketId":"odYA6KagmbokSh9GY7yAfeTUZRtZLwecY1"},
+            "ranchimall4":{"ip":"127.0.0.1","port":"9114","kbucketId":"oJosrve9dBv2Hj2bfncxv2oEpTysg3Wejv"},
+            "ranchimall5":{"ip":"127.0.0.1","port":"9115","kbucketId":"oMhv5sAzqg77sYHxmUGZWKRrVo4P4JQduS"},
+            "ranchimall6":{"ip":"127.0.0.1","port":"9116","kbucketId":"oV1wCeWca3VawbBTfUGKA7Vd368PATnKAx"}}`;
+            return callback(text);
             const master_data = await helper_functions
             .ajaxGet(`${localbitcoinplusplus.server.flo_testnet}/api/txs/?address=${localbitcoinplusplus.RM_FLO_SENDING_ADDR}`);
                 if(typeof master_data==="object" && typeof master_data.txs==="object") {
@@ -12143,7 +12174,7 @@
                   typeof usr == "object" &&
                   usr.myLocalFLOAddress.length > 0
                 ) {
-                  const RM_WALLET = new localbitcoinplusplus.wallets();
+                  //const RM_WALLET = new localbitcoinplusplus.wallets();
                   const pk_manual = prompt("Please enter your private key: ");
                   let gen_new_keys = this.generateFloKeys(pk_manual);
                   if (gen_new_keys.address == usr.myLocalFLOAddress) {
@@ -12255,7 +12286,7 @@
                 "string" &&
               localbitcoinplusplus.wallets.MY_SUPERNODE_PRIVATE_KEY.length > 0
             ) {
-              const RM_WALLET = new localbitcoinplusplus.wallets();
+              //const RM_WALLET = new localbitcoinplusplus.wallets();
               let user_keys = RM_WALLET.generateFloKeys(
                 localbitcoinplusplus.wallets.MY_SUPERNODE_PRIVATE_KEY
               );
@@ -12299,8 +12330,8 @@
             var method = request.method;
 
             if (typeof params == "object" && typeof method == "string") {
-              const RM_WALLET = new localbitcoinplusplus.wallets();
-              const RM_RPC = new localbitcoinplusplus.rpc();
+              //const RM_WALLET = new localbitcoinplusplus.wallets();
+              //const RM_RPC = new localbitcoinplusplus.rpc();
 
               let respective_trader_id = "";
               if (typeof params.trader_flo_address == "string")
@@ -12655,7 +12686,7 @@
             if (typeof myPrivateKey !== "string")
               throw new Error("No private key found.");
 
-            const RM_WALLET = new localbitcoinplusplus.wallets();
+            //const RM_WALLET = new localbitcoinplusplus.wallets();
             let privateKey = RM_WALLET.wifToDecimal(myPrivateKey, true);
             if (typeof privateKey.privateKeyDecimal !== "string")
               throw new Error("Failed to detremine your private key.");
@@ -12674,6 +12705,9 @@
           }
         };
 
+        const RM_WALLET = new localbitcoinplusplus.wallets();
+        const RM_RPC = new localbitcoinplusplus.rpc();
+        
         /* CODE_JUNCTION: Indexed DB */
 
         //prefixes of implementation that we want to test
@@ -12974,38 +13008,31 @@
 
         /* CODE_JUNCTION: Websockets */
 
-        function startWebSocket(wsUri) {
+        async function initializeWebSocket(wsUri){
+            var websocket = new WebSocket(wsUri);
+            return websocket;
+        }
+
+        function startWebSocket(websocket_name) {
           return new Promise((resolve, reject) => {
-            websocket = new WebSocket(wsUri);
-            websocket.onopen = function(evt) {
+             
+            websocket_name.onopen = function(evt) {
               resolve(onOpen(evt));
             };
-            websocket.onclose = function(evt) {
+            websocket_name.onclose = function(evt) {
               reject(onClose(evt));
             };
-            websocket.onmessage = function(evt) {
+            websocket_name.onmessage = function(evt) {
               resolve(onMessage(evt));
             };
-            websocket.onerror = function(evt) {
+            websocket_name.onerror = function(evt) {
               reject(onError(evt));
             };
           });
         }
 
         function onOpen(evt) {
-          readAllDB("supernodesList").then(list => {
-            list.some(m => {
-              let ws_res = `ws://${m.ip}:${m.port}/`;
-              if (ws_res == websocket.url)
-                localbitcoinplusplus.CONNECTED_SUPERNODE_FLO_ADDRESS =
-                  m.kbucketId;
-            });
-          });
           console.info(`INFO: Connected succesfully to ${evt.srcElement.url}.`);
-          let conn_info = document.getElementById("conn_info");
-          conn_info.innerHTML = `<div class="alert alert-success" role="alert">
-                                        INFO: Connected to ${evt.srcElement.url} Supernode.
-                                        </div>`;
         }
 
         function onClose(event) {
@@ -13022,121 +13049,242 @@
           }
         }
 
+        function onMessageAcceptTest(testName, testParameters) {
+            if (testName == "whetherForCashier") {
+                let is_message_for_cashier = testParameters.data.search("__FOR__CASHIER__");
+                if (is_message_for_cashier < 0) {
+                    return false;
+                } else return true;
+            }
+            if (testName == "amISuperNode") {
+                if (testParameters.supernodesPubKeys.includes(testParameters.my_local_flo_public_key)) {
+                    return true;
+                } else return false;
+            }
+            if (testName == "meInReceiverList") {
+                if (testParameters.receiversList.includes(testParameters.my_local_flo_address)) {
+                    return true;
+                } else return false;
+            }
+            if (testName == "checkIfObject") {
+                if (typeof testParameters.data !== "object") {
+                    return false;
+                } else return true;
+            }
+            if (testName == "receiverIDisMine") {
+                return testParameters.receiverFloId === localbitcoinplusplus.wallets.my_local_flo_address;
+            }
+            if (testName == "beforePrivateKeyEntry") {
+                return testParameters.methodList.includes(testParameters.method);
+            }
+            if(testName == "senderAddressMatchesSignerAddress") {
+                return testParameters.calculatedFloId === testParameters.senderFloId;
+            }
+            if(testName == "verifyMessageSignature") {
+                const initialMsgObjStr = JSON.stringify(testParameters.initialMsgObj);
+
+                const initialMsgObjStrHash = Crypto.SHA256(initialMsgObjStr);
+
+                //const RM_WALLET = new [testParameters.verifierObject]();
+                if (RM_WALLET.verify(
+                        initialMsgObjStrHash,
+                        testParameters.signedMsg,
+                        testParameters.publicKey
+                    )
+                ) {
+                    return true;
+                } else return false;
+            }
+            if(testName == "isDataString") {
+                return typeof testParameters.param === "string";
+            }
+            if(testName == "isValueUnDefined") {
+                return typeof testParameters.param === "undefined";
+            }
+        }
+
+        //HANDLER OUTSIDE
+        function onMessageDataHandling(handlerName,data){
+
+            if (handlerName == "extractMainObject") {
+
+            var res_pos = data.indexOf("{");
+            if (res_pos >= 0) {
+                var res = data.substr(res_pos);
+            }
+
+            return res;
+            }
+        }
+
+        function onMessageResponse(responseName, responseData) {
+            if(responseName==="list_of_cashier_latest_pending_cash_deposits") {
+                let response_from_server = responseData.responseData;
+                    
+                if (
+                    typeof response_from_server.data == "object" &&
+                    response_from_server.data.length > 0
+                ) {
+                    onMessageDisplay("list_of_cashier_latest_pending_cash_deposits", {
+                        responseData: response_from_server
+                    });
+                } else {
+                    showMessage(`INFO: No pending deposits found.`);
+                }
+            }
+
+            if(responseName==="list_of_cashier_latest_pending_cash_withdrawals") {
+                let response_from_server = responseData.responseData;
+                if (
+                    typeof response_from_server.data == "object" &&
+                    response_from_server.data.length > 0
+                ) {
+                    onMessageDisplay("list_of_cashier_latest_pending_cash_withdrawals", {
+                        responseData: response_from_server
+                    });
+                } else {
+                    showMessage(`INFO: No pending withdrawals found.`);
+                }
+            }
+        }
+
+        function onMessageDisplay(responseName, responseData) {
+            switch (responseName) {
+                case "list_of_cashier_latest_pending_cash_deposits":
+                    (async function() {
+                        let t = ``;
+                        let deposits_table = document.getElementById("deposits_list");
+                        for (const m of responseData.responseData.data) {
+                            let su_res = await localbitcoinplusplus.kademlia.determineClosestSupernode(m.trader_flo_address);
+                            let closestSupernode = su_res[0].data.id;
+                            t += `<tr>`;
+                            t += `<td> ${m.user_upi} </td>`;
+                            t += `<td> ${m.trader_flo_address} </td>`;
+                            t += `<td> ${m.depositing_amount} </td>`;
+                            t += `<td> ${m.currency} </td>`;
+                            t += `<td> <button type="button" value="${m.id}" class="btn btn-info cnf_deposits">Deposit Received!</button> 
+                                <span id="depositSpan${m.id}">${closestSupernode}_${responseData.responseData.requesting_supernode}</span>
+                                </td>`;
+                            t += `</tr>`;
+                            // Find Supernode of the user
+                            confirmDepositReceivedFromUser();
+                        }
+
+                        deposits_table.insertAdjacentHTML("beforeend", t);
+                    })();
+                    break;
+
+                case "list_of_cashier_latest_pending_cash_withdrawals":
+                    (async function() {
+                        let v = ``;
+                        const withdraws_table = document.getElementById("withdraws_list");
+                        for (const m of responseData.responseData.data) {
+                            const user_upi = localbitcoinplusplus.encrypt.decryptMessage(
+                                response_from_sever.data[0].receivinAddress.secret,
+                                response_from_sever.data[0].receivinAddress.senderPublicKeyString
+                            );
+                            let su_res = await localbitcoinplusplus.kademlia.determineClosestSupernode(m.trader_flo_address);
+                            let closestSupernode = su_res[0].data.id;
+
+                            v += `<tr>`;
+                            v += `<td> ${user_upi} </td>`;
+                            v += `<td> ${m.trader_flo_address} </td>`;
+                            v += `<td> ${m.withdraw_amount} </td>`;
+                            v += `<td> ${m.currency} </td>`;
+                            v += `<td> ${m.token_transfer_txid} </td>`;
+                            v += `<td> <button type="button" value="${m.id}" class="btn btn-info cnf_withdrawal">Money Transferred!</button> 
+                                <span id="withdrawSpan${m.id}">${closestSupernode}_${responseData.responseData.requesting_supernode}</span>
+                                </td>`;
+                            v += `</tr>`;
+                            confirmCashierTransferredMoneyToWithdrawer();
+                        }
+                        withdraws_table.insertAdjacentHTML("beforeend", v);
+                    })();
+                break;
+            
+                default:
+                    break;
+            }
+        }
+ 
         async function onMessage(evt) {
           var response = evt.data || evt;
-
-          let is_message_for_cashier = response.search("__FOR__CASHIER__");
-          if (is_message_for_cashier < 0) return;
+            console.log(response);
+          if (!onMessageAcceptTest("whetherForCashier", {searchString:"__FOR__CASHIER__",data:response})) return;  
 
           console.log("RESPONSE: " + response);
 
-          var res_pos = response.indexOf("{");
-          if (res_pos >= 0) {
-            var res = response.substr(res_pos);
+          //var res_pos = response.indexOf("{");
+          var res = onMessageDataHandling("extractMainObject", response);
+
             try {
               var res_obj = JSON.parse(res);
 
-              if (
-                typeof res_obj.globalParams !== "object" ||
-                (localbitcoinplusplus.master_configurations.supernodesPubKeys.includes(
-                  localbitcoinplusplus.wallets.my_local_flo_public_key
-                ) &&
-                  typeof res_obj.globalParams.receiversList == "object" &&
-                  !res_obj.globalParams.receiversList.includes(
-                    localbitcoinplusplus.wallets.my_local_flo_address
-                  ))
-              )
-                return;
+            if(!onMessageAcceptTest("checkIfObject", {
+                data:res_obj.globalParams,
+            })) return;
 
-              if (
-                typeof res_obj.globalParams.receiverFloId == "string" &&
-                res_obj.globalParams.receiverFloId !==
-                  localbitcoinplusplus.wallets.my_local_flo_address
-              )
-                return;
+            if(onMessageAcceptTest("amISuperNode", 
+            {supernodesPubKeys:
+                localbitcoinplusplus.master_configurations.supernodesPubKeys,
+            my_local_flo_public_key:
+                localbitcoinplusplus.wallets.my_local_flo_public_key
+            })) return;
+
+            if(onMessageAcceptTest("checkIfObject", {
+                    data:res_obj.globalParams.receiversList,
+                }) &&
+                !onMessageAcceptTest("meInReceiverList", {
+                    receiversList:res_obj.globalParams.receiversList,
+                    my_local_flo_address:localbitcoinplusplus.wallets.my_local_flo_address
+                })
+            ) return;
+
+            if(!onMessageAcceptTest("receiverIDisMine", {
+                receiverFloId:res_obj.globalParams.receiverFloId,
+            })) return;
 
               const isIncomingMessageValid = await validateIncomingMessage(res);
               console.log("isIncomingMessageValid: ", isIncomingMessageValid);
 
               if (!isIncomingMessageValid) return;
 
-              if (typeof res_obj.globalParams.senderFloId !== "string")
-                throw new Error(
-                  `WARNING: The request did not contain sender FLO Id. Request Aborted.`
-                );
+            if(!onMessageAcceptTest("isDataString", {
+                param:res_obj.globalParams.senderFloId,
+            })) return;
+
+            if(onMessageAcceptTest("isValueUnDefined", {
+                param: res_obj.method
+            })) return;
 
-              if (typeof res_obj.method !== "undefined") {
                 let response_from_sever;
 
-                const RM_WALLET = new localbitcoinplusplus.wallets();
-                const RM_RPC = new localbitcoinplusplus.rpc();
+                // const RM_WALLET = new localbitcoinplusplus.wallets();
+                // const RM_RPC = new localbitcoinplusplus.rpc();
 
                 switch (res_obj.method) {
                   case "list_of_cashier_latest_pending_cash_deposits":
-                    response_from_sever = res_obj.params[0];
-                    if (
-                      typeof response_from_sever.data == "object" &&
-                      response_from_sever.data.length > 0
-                    ) {
-                      const deposits_table = document.getElementById(
-                        "deposits_list"
-                      );
-                      let t = ``;
-                      response_from_sever.data.map(m => {
-                        t += `<tr>`;
-                        t += `<td> ${m.user_upi} </td>`;
-                        t += `<td> ${m.trader_flo_address} </td>`;
-                        t += `<td> ${m.depositing_amount} </td>`;
-                        t += `<td> ${m.currency} </td>`;
-                        t += `<td> <button type="button" value="${m.id}" class="btn btn-info cnf_deposits">Deposit Received!</button> </td>`;
-                        t += `</tr>`;
+        
+                      onMessageResponse("list_of_cashier_latest_pending_cash_deposits", {
+                        responseData: res_obj.params[0]
                       });
-                      deposits_table.insertAdjacentHTML("beforeend", t);
-                      confirmDepositReceivedFromUser();
-                    } else {
-                      showMessage(`INFO: No pending deposits found.`);
-                    }
+
                     break;
                   case "list_of_cashier_latest_pending_cash_withdrawals":
-                    response_from_sever = res_obj.params[0];
-                    if (
-                      typeof response_from_sever.data == "object" &&
-                      response_from_sever.data.length > 0
-                    ) {
-                      const withdraws_table = document.getElementById(
-                        "withdraws_list"
-                      );
-                      let t = ``;
-                      response_from_sever.data.map(m => {
-                        const user_upi = localbitcoinplusplus.encrypt.decryptMessage(
-                          response_from_sever.data[0].receivinAddress.secret,
-                          response_from_sever.data[0].receivinAddress
-                            .senderPublicKeyString
-                        );
-                        t += `<tr>`;
-                        t += `<td> ${user_upi} </td>`;
-                        t += `<td> ${m.trader_flo_address} </td>`;
-                        t += `<td> ${m.withdraw_amount} </td>`;
-                        t += `<td> ${m.currency} </td>`;
-                        t += `<td> ${m.token_transfer_txid} </td>`;
-                        t += `<td> <button type="button" value="${m.id}" class="btn btn-info cnf_withdrawal">Money Transferred!</button> </td>`;
-                        t += `</tr>`;
-                      });
-                      withdraws_table.insertAdjacentHTML("beforeend", t);
-                      confirmCashierTransferredMoneyToWithdrawer();
-                    } else {
-                      showMessage(`INFO: No pending withdrawals found.`);
-                    }
+                    
+                    onMessageResponse("list_of_cashier_latest_pending_cash_withdrawals", {
+                        responseData: res_obj.params[0]
+                    });
                     break;
 
                   default:
                     break;
                 }
-              }
+              
             } catch (e) {
               throw new Error(e);
             }
-          }
+          
         }
 
         function onError(evt) {
@@ -13145,12 +13293,12 @@
           );
         }
 
-        function doSend(message = "") {
+        function doSend(websocket_name, message = "") {
           let finalMessage = message;
 
           const msgObj = JSON.parse(message);
 
-          const RM_WALLET = new localbitcoinplusplus.wallets();
+          //const RM_WALLET = new localbitcoinplusplus.wallets();
 
           message = JSON.stringify(msgObj);
           const message256hash = Crypto.SHA256(message);
@@ -13175,7 +13323,7 @@
 
           // The message is for usernodes and all backup supernodes
           try {
-            websocket.send(finalMessage);
+            websocket_name.send(finalMessage);
           } catch (error) {
             throw new Error(error);
           }
@@ -13196,17 +13344,19 @@
             try {
               const msgObj = JSON.parse(message);
 
-              if (request_array.includes(msgObj.method)) return resolve(true);
+              //if (request_array.includes(msgObj.method)) return resolve(true);
+              if (onMessageAcceptTest("beforePrivateKeyEntry", {"methodList":request_array,"method":msgObj.method})) return resolve(true);
 
-              const getFloId = bitjs.FLO_TEST.pubkey2address(msgObj.nodePubKey);
+              //const getFloId = bitjs.FLO_TEST.pubkey2address(msgObj.nodePubKey);
+              const getFloId = bitjs[localbitcoinplusplus.assets.FLO].pubkey2address(msgObj.nodePubKey);
 
-              // Check if the public key belongs to real sender
-              if (getFloId !== msgObj.globalParams.senderFloId) {
+              if (!onMessageAcceptTest("senderAddressMatchesSignerAddress", {"senderFloId":msgObj.globalParams.senderFloId,"calculatedFloId":getFloId})) {
                 showMessage(
-                  `Sender FLO address did not match signer FLO address.`
+                `Sender FLO address did not match signer FLO address.`
                 );
                 reject(false);
               }
+             
               const initialMsgObj = {
                 jsonrpc: msgObj.jsonrpc,
                 id: msgObj.id,
@@ -13215,18 +13365,12 @@
                 globalParams: msgObj.globalParams
               };
 
-              const initialMsgObjStr = JSON.stringify(initialMsgObj);
-
-              const initialMsgObjStrHash = Crypto.SHA256(initialMsgObjStr);
-
-              const RM_WALLET = new localbitcoinplusplus.wallets();
-              if (
-                RM_WALLET.verify(
-                  initialMsgObjStrHash,
-                  msgObj.nodeSignedMessage,
-                  msgObj.nodePubKey
-                )
-              ) {
+              if (onMessageAcceptTest("verifyMessageSignature", {
+                  "initialMsgObj":initialMsgObj,
+                  "verifierObject": localbitcoinplusplus.wallets,
+                  "signedMsg": msgObj.nodeSignedMessage,
+                  "publicKey": msgObj.nodePubKey
+                  })) {
                 resolve(true);
               } else {
                 showMessage(
@@ -13332,102 +13476,83 @@
 
         // Connect to Supernode
         function loadSupernodesConnectUi() {
-          let supernodeSeedsObj =
+            let supernodeSeedsObj =
             localbitcoinplusplus.master_configurations.supernodeSeeds;
-          let supernodeSeedsArray = Object.values(supernodeSeedsObj);
-
-          let supernode_seedsInput = ``;
-          supernode_seedsInput += `<div class="input-group">
-                        <select class="custom-select" id="supernode_seeds">
-                            <option selected>Choose Suprnode...</option>`;
-          supernodeSeedsArray.map(wsUri => {
-            supernode_seedsInput += `<option value="ws://${wsUri.ip}:${wsUri.port}">${wsUri.kbucketId}</option>`;
-          });
-          supernode_seedsInput += `</select>
-                        <div class="input-group-append">
-                            <button class="btn btn-outline-secondary" id="supn_conn_btn" type="button">Connect</button>
-                        </div>
-                     </div>`;
-
-          const supernode_seeds_div = document.getElementById(
-            "supernode_seeds_div"
-          );
-          supernode_seeds_div.innerHTML = supernode_seedsInput;
-
-          const supn_conn_btn = document.getElementById("supn_conn_btn");
-          supn_conn_btn.addEventListener("click", function(evt) {
-            const selected_su = document.getElementById("supernode_seeds");
-            if (
-              typeof websocket == "object" &&
-              websocket.readyState === WebSocket.OPEN
-            ) {
-              if (websocket.url === `${selected_su.value}/`) {
-                showMessage(`INFO: Websocket already connected.`);
-                return;
-              }
-              websocket.close();
-            }
-
-            try {
-              startWebSocket(selected_su.value);
-            } catch (error) {
-              showMessage("Error: " + error);
-              return;
-            }
+            let supernodeSeedsArray = Object.values(supernodeSeedsObj);
+          supernodeSeedsArray.map(async wsUri => {
+            localbitcoinplusplus.supernode_conns[wsUri.kbucketId] = await initializeWebSocket (`ws://${wsUri.ip}:${wsUri.port}`);
+            startWebSocket(localbitcoinplusplus.supernode_conns[wsUri.kbucketId]);
           });
         }
 
+        function send_deposit_withdraw_req_loop() {
+            let supernodeSeedsObj =
+            localbitcoinplusplus.master_configurations.supernodeSeeds;
+            let supernodeSeedsArray = Object.values(supernodeSeedsObj);
+            const btn_id = this.id;
+            if (typeof btn_id !== "string") return;
+            let job = "";
+            if (btn_id == "fetch_deposits") {
+                job = "give_cashier_latest_pending_cash_deposits";
+            } else if (btn_id == "fetch_withdraws") {
+                job = "give_cashier_latest_pending_cash_withdraws";
+            } else return;
+            supernodeSeedsArray.map(async wsUri => {
+                send_deposit_withdraw_req(wsUri.kbucketId, job);
+            });
+        }
+
         // Fetch Deposit or Withdraw requests
-        function send_deposit_withdraw_req(evt) {
-          evt.preventDefault();
-          if (
-            localbitcoinplusplus.MY_UPI_ID.length < 1 
-            || typeof localbitcoinplusplus.CONNECTED_SUPERNODE_FLO_ADDRESS !== "string"
-            || localbitcoinplusplus.CONNECTED_SUPERNODE_FLO_ADDRESS.length < 1
-          ) {
+        function send_deposit_withdraw_req(websocket_flo_id="", job="", parent_flo_id="") {
+          if (localbitcoinplusplus.MY_UPI_ID.length < 1) {
             showMessage(
-              `WARNING: Your UPI Id or connected Supernode is not set.`
+              `WARNING: Your UPI Id is not set.`
             );
             return false;
           }
 
-          const btn_id = this.id;
-          if (typeof btn_id !== "string") return;
-          let job = "";
-          if (btn_id == "fetch_deposits") {
-            job = "give_cashier_latest_pending_cash_deposits";
-          } else if (btn_id == "fetch_withdraws") {
-            job = "give_cashier_latest_pending_cash_withdraws";
-          } else return;
+          const websocket_name = localbitcoinplusplus.supernode_conns[websocket_flo_id];
+          if(typeof websocket_name!=="object") return;
 
-          const RM_RPC = new localbitcoinplusplus.rpc();
-          RM_RPC.send_rpc
-            .call(this, job, {
+          if(job.length<1) return;
+
+          let req_body = {
               trader_flo_address:
                 localbitcoinplusplus.wallets.my_local_flo_address,
               cashier_pubKey:
                 localbitcoinplusplus.wallets.my_local_flo_public_key,
               cashier_upi: localbitcoinplusplus.MY_UPI_ID,
-              receiver_flo_address:
-                localbitcoinplusplus.CONNECTED_SUPERNODE_FLO_ADDRESS
-            })
-            .then(resp => doSend(resp));
+              receiver_flo_address: websocket_flo_id,
+            }
+
+          // For case where parent supernode is dead  
+          if(websocket_flo_id !== parent_flo_id && parent_flo_id.length>0) {
+            req_body.parent_supernode = parent_flo_id;
+            req_body.requesting_supernode = websocket_flo_id;
+          }  
+
+          if(parent_flo_id.length<1 || websocket_flo_id==parent_flo_id) {
+            req_body.parent_supernode = websocket_flo_id;
+            req_body.requesting_supernode = websocket_flo_id;              
+          }
+
+          RM_RPC.send_rpc
+            .call(this, job, req_body)
+            .then(resp => doSend(websocket_name, resp));
         }
 
         // Ask Connected Supernode to give pending deposits/withdrawals
         function AskSupernodeForLatestDepositsAndWithdrawalsData() {
           const fetch_deposits_btn = document.getElementById("fetch_deposits");
-          const fetch_withdraws_btn = document.getElementById(
-            "fetch_withdraws"
-          );
+          const fetch_withdraws_btn = document.getElementById("fetch_withdraws");
 
           fetch_deposits_btn.addEventListener(
             "click",
-            send_deposit_withdraw_req
+            send_deposit_withdraw_req_loop
           );
           fetch_withdraws_btn.addEventListener(
             "click",
-            send_deposit_withdraw_req
+            send_deposit_withdraw_req_loop
           );
         }
 
@@ -13436,9 +13561,15 @@
           
           Array.from(recv_deposit_btn).forEach(function(element) {
             element.addEventListener("click", function(evt) {
-                evt.preventDefault();
+                //evt.preventDefault();
                 const deposit_id = this.value;
-                console.log(deposit_id);
+            
+                const req_info = document.getElementById(`depositSpan${deposit_id}`);
+                const req_info_arr = req_info.innerText.split("_");
+                const websocket_name = req_info_arr[0];
+                const requesting_supernode = req_info_arr[1];
+
+                if(typeof websocket_name!=="string" || typeof requesting_supernode!=="string") return;
 
                 const flo_txid = prompt("Enter Deposit Token Transfer Flo Txid: ");
                 if (flo_txid.length < 1) return;
@@ -13454,20 +13585,26 @@
                 )
                 return;
 
-                const RM_RPC = new localbitcoinplusplus.rpc();
-                RM_RPC.send_rpc
-                .call(this, "cashier_confirms_user_cash_deposit", {
+                //const RM_RPC = new localbitcoinplusplus.rpc();
+
+                let req_body = {
                     trader_flo_address:
                     localbitcoinplusplus.wallets.my_local_flo_address,
                     cashier_pubKey:
                     localbitcoinplusplus.wallets.my_local_flo_public_key,
-                    receiver_flo_address:
-                    localbitcoinplusplus.CONNECTED_SUPERNODE_FLO_ADDRESS,
+                    receiver_flo_address: requesting_supernode,
                     flo_txid: flo_txid,
                     deposit_id: deposit_id,
-                    cash_deposited: cash_recvd_from_user
-                })
-                .then(resp => doSend(resp));
+                    cash_deposited: cash_recvd_from_user,
+                    parent_supernode: websocket_name,
+                }
+
+                const websocket_conn = localbitcoinplusplus.supernode_conns[requesting_supernode];
+                if(typeof websocket_conn!=="object") return;
+
+                RM_RPC.send_rpc
+                .call(this, "cashier_confirms_user_cash_deposit", req_body)
+                .then(resp => doSend(websocket_conn, resp));
             });
             });
         
@@ -13481,24 +13618,31 @@
               element.addEventListener("click", function(evt) {
                   evt.preventDefault();
                   const withdraw_id = this.value;
-                  console.log(withdraw_id);
-                  
+                  const req_info = document.getElementById(`withdrawSpan${deposit_id}`);
+                  const req_info_arr = req_info.innerText.split("_");
+                  const websocket_name = req_info_arr[0];
+                  const requesting_supernode = req_info_arr[1];
+
+                  if(typeof websocket_name!=="string" || typeof requesting_supernode!=="string") return;
+
                   const upi_txid = prompt("Enter Transferred Cash UPI Txid: ");
                   if (upi_txid.length < 1) return;
+
+                  const websocket_conn = localbitcoinplusplus.supernode_conns[requesting_supernode];
+                  if(typeof websocket_conn!=="object") return;
                   
-                  const RM_RPC = new localbitcoinplusplus.rpc();
                   RM_RPC.send_rpc
                   .call(this, "cashier_confirms_user_cash_withdraw", {
                       trader_flo_address:
                       localbitcoinplusplus.wallets.my_local_flo_address,
                       cashier_pubKey:
                       localbitcoinplusplus.wallets.my_local_flo_public_key,
-                      receiver_flo_address:
-                      localbitcoinplusplus.CONNECTED_SUPERNODE_FLO_ADDRESS,
+                      receiver_flo_address: requesting_supernode,
                       withdraw_id: withdraw_id,
-                      upi_txid: upi_txid
+                      upi_txid: upi_txid,
+                      parent_supernode: websocket_name,
                     })
-                    .then(resp => doSend(resp));
+                    .then(resp => doSend(websocket_conn, resp));
                 });
             });
         }
@@ -13521,7 +13665,7 @@
                 `This will reset your old keys along with data associated with it. Are you sure you want to continue?`
               )
             ) {
-              const RM_WALLET = new localbitcoinplusplus.wallets();
+              //const RM_WALLET = new localbitcoinplusplus.wallets();
               RM_WALLET.reset_flo_keys().then(reset_success => {
                 if (reset_success) {
                   showMessage("INFO: FLO keys have been reset successfully.");
@@ -13537,8 +13681,8 @@
         const dataBaseUIOperations = async function() {
           localbitcoinplusplus.is_ui_loaded = true;
 
-          const RM_WALLET = new localbitcoinplusplus.wallets();
-          const RM_RPC = new localbitcoinplusplus.rpc();
+          //const RM_WALLET = new localbitcoinplusplus.wallets();
+          //const RM_RPC = new localbitcoinplusplus.rpc();
 
           try {
             readDB("paymentsHandlerDetails", "00-01").then(async function(
@@ -13572,7 +13716,7 @@
 
         function kickInit() {
           output = document.getElementById("output_div");
-          const RM_WALLET = new localbitcoinplusplus.wallets();
+          //const RM_WALLET = new localbitcoinplusplus.wallets();
           return new Promise(resolve => {
             readDB("paymentsHandlerDetails", "00-01").then(async function(
               idbData
@@ -13710,7 +13854,7 @@
             });
           });
         }
-      })();
+      //})();
     </script>
 
     <script>
@@ -13783,20 +13927,5 @@
       }
     </script>
 
-    <script
-      src="https://code.jquery.com/jquery-3.2.1.slim.min.js"
-      integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN"
-      crossorigin="anonymous"
-    ></script>
-    <script
-      src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"
-      integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q"
-      crossorigin="anonymous"
-    ></script>
-    <script
-      src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"
-      integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl"
-      crossorigin="anonymous"
-    ></script>
   </body>
 </html>
diff --git a/supernode/index.html b/supernode/index.html
index af9d208..2c92811 100644
--- a/supernode/index.html
+++ b/supernode/index.html
@@ -12077,7 +12077,7 @@
             026FCC6CFF6EB3A39E54BEB6E13FC2F02C3A93F4767AA80E49E7E876443F95AE5F,
             #!#externalFiles={"d3js":"58f54395efa8346e8e94d12609770f66b916897e7f4e05f6c98780cffa5c70a3"}
             #!#cashiers={"032871A74D2DDA9D0DE7135F58B5BD2D7F679D2CCA20EA7909466D1A6912DF4022":"johnDoe@upi",
-            "janeDoe@upi":"03DB4A12EB543B293DDBB0CE314C46C36D6761294AFBB7264A6D78F710FFD97CF0"}
+            "03DB4A12EB543B293DDBB0CE314C46C36D6761294AFBB7264A6D78F710FFD97CF0":"janeDoe@upi"}
             #!#ShamirsMaxShares=8#!#supernodeSeeds={"ranchimall1":{"ip":"127.0.0.1","port":"9111","kbucketId":"oZxHcbSf1JC8t5GjutopWYXs7C6Fe9p7ps"},
             "ranchimall2":{"ip":"127.0.0.1","port":"9112","kbucketId":"oTWjPupy3Z7uMdPcu5uXd521HBkcsLuSuM"},
             "ranchimall3":{"ip":"127.0.0.1","port":"9113","kbucketId":"odYA6KagmbokSh9GY7yAfeTUZRtZLwecY1"},
@@ -12465,8 +12465,9 @@
           );
 
           const promise2 = removeAllinDB("my_supernode_private_key_chunks");
-
-          return Promise.all([promise1, promise2])
+          const promise3 = removeAllinDB("myClosestSupernodes");
+          
+          return Promise.all([promise1, promise2, promise3])
             .then(() => true)
             .catch(e => false);
         },
@@ -14115,6 +14116,8 @@
             localbitcoinplusplus.master_configurations.supernodesPubKeys.length)
             return;
 
+        if(typeof localbitcoinplusplus.myClosestSupernodes==="object") return;    
+
         const idbData = await readDB("localbitcoinUser", "00-01");
 
         if (getClosestSuList.length < 1) {
@@ -14378,6 +14381,9 @@
 
     <!-- Misc functions -->
     <script>
+      function removeWhiteSpaces(text='') {
+        return text.replace(/\s/g,'');
+      }  
       // log event in the console
       function LogEvent(msg) {
         log.textContent += "> " + msg + "\n";
@@ -18408,181 +18414,251 @@
 
             switch (method) {
               case "give_cashier_latest_pending_cash_deposits":
-                const get_all_deposit_reqs_for_this_cashier = await readDBbyIndex(
-                  "cash_deposits",
-                  "cashier_pubKey",
-                  params.cashier_pubKey
-                );
+                (async function() {
+                    let _readDBbyIndex = readDBbyIndex;
+                    if(typeof params.parent_supernode==="string" 
+                    && params.parent_supernode.length
+                    && localbitcoinplusplus.wallets.my_local_flo_address 
+                        !== params.parent_supernode ) {
+                        const foreign_db =
+                            localbitcoinplusplus.newBackupDatabase.db[params.parent_supernode];
+                        if(typeof foreign_db !== "object") return;
+                        _readDBbyIndex = foreign_db.backup_readDBbyIndex.bind(foreign_db);
+                    }
+                    const get_all_deposit_reqs_for_this_cashier = await _readDBbyIndex(
+                    "cash_deposits",
+                    "cashier_pubKey",
+                    params.cashier_pubKey
+                    );
 
-                RM_RPC.send_rpc
-                    .call(
-                      this,
-                      "list_of_cashier_latest_pending_cash_deposits",
-                      {
-                        for_cashier: true,
-                        cashier_pubKey: request.nodePubKey,
-                        receiver_flo_address: request.globalParams.senderFloId,
-                        data: get_all_deposit_reqs_for_this_cashier
-                      }
-                    )
-                    .then(resp => doSend(resp));
-                
+                    RM_RPC.send_rpc
+                        .call(
+                        this,
+                        "list_of_cashier_latest_pending_cash_deposits",
+                        {
+                            for_cashier: true,
+                            cashier_pubKey: request.nodePubKey,
+                            receiver_flo_address: request.globalParams.senderFloId,
+                            data: get_all_deposit_reqs_for_this_cashier,
+                            requesting_supernode: params.requesting_supernode,
+                            parent_supernode: params.parent_supernode
+                        }
+                        )
+                        .then(resp => doSend(resp));
+                    
+                   })();
                 break;
               case "give_cashier_latest_pending_cash_withdraws":
-                const get_all_withdraws_reqs_for_this_cashier = await readDBbyIndex(
-                  "withdraw_cash",
-                  "cashier_pubKey",
-                  params.cashier_pubKey
-                );
+                (async function() {
+                    let _readDBbyIndex = readDBbyIndex;
+                    if(typeof params.parent_supernode==="string" 
+                    && params.string.length
+                    && localbitcoinplusplus.wallets.my_local_flo_address 
+                        !== params.parent_supernode ) {
+                        const foreign_db =
+                            localbitcoinplusplus.newBackupDatabase.db[params.parent_supernode];
+                        if(typeof foreign_db !== "object") return;
+                        _readDBbyIndex = foreign_db.backup_readDBbyIndex.bind(foreign_db);
+                    }
+                    const get_all_withdraws_reqs_for_this_cashier = await _readDBbyIndex(
+                    "withdraw_cash",
+                    "cashier_pubKey",
+                    params.cashier_pubKey
+                    );
 
-                RM_RPC.send_rpc
-                    .call(
-                      this,
-                      "list_of_cashier_latest_pending_cash_withdrawals",
-                      {
-                        for_cashier: true,
-                        cashier_pubKey: request.nodePubKey,
-                        receiver_flo_address: request.globalParams.senderFloId,
-                        data: get_all_withdraws_reqs_for_this_cashier
-                      }
-                    )
-                    .then(resp => doSend(resp));
+                    RM_RPC.send_rpc
+                        .call(
+                        this,
+                        "list_of_cashier_latest_pending_cash_withdrawals",
+                        {
+                            for_cashier: true,
+                            cashier_pubKey: request.nodePubKey,
+                            receiver_flo_address: request.globalParams.senderFloId,
+                            data: get_all_withdraws_reqs_for_this_cashier,
+                            requesting_supernode: params.requesting_supernode,
+                            parent_supernode: params.parent_supernode
+                        })
+                        .then(resp => doSend(resp));
+                })();   
 
                 break;
 
               case "cashier_confirms_user_cash_deposit":
-                  try {
+                  (async function() {
 
-                    const cash_deposited_by_user = Number(params.cash_deposited);   
-                    if (params.flo_txid===null
-                        || params.flo_txid.length<1
-                        || params.deposit_id==null
-                        || params.deposit_id.length<1
-                        || typeof cash_deposited_by_user == NaN
-                        || cash_deposited_by_user < 1
-                    ) {
-                        throw new Error(`Error: Incomplete or invalid data received for Cash Deposit Id: ${params.deposit_id}`);
-                    }      
+                    try {
 
-                    // Validate deposit_id
-                    const user_deposit_req = await readDB("cash_deposits", params.deposit_id);
-                    if (typeof user_deposit_req!=="object" 
-                        || user_deposit_req===null) return;                  
+                        const cash_deposited_by_user = Number(params.cash_deposited);   
+                        if (params.flo_txid===null
+                            || params.flo_txid.length<1
+                            || params.deposit_id==null
+                            || params.deposit_id.length<1
+                            || typeof cash_deposited_by_user == NaN
+                            || cash_deposited_by_user < 1
+                        ) {
+                            throw new Error(`Error: Incomplete or invalid data received for Cash Deposit Id: ${params.deposit_id}`);
+                        }      
+                        const parent_supernode = params.parent_supernode;
 
-                    // Validate Flo txid
-                    const validate_flo_txid = await helper_functions
-                        .ajaxGet(`https://ranchimallflo-testnet.duckdns.org/api/v1.0/getTransactionDetails/${params.flo_txid}`);
+                        if(localbitcoinplusplus.wallets.my_local_flo_address!==params.receiver_flo_address) return;
 
-                    if(typeof validate_flo_txid !== "object"
-                    || typeof validate_flo_txid.transactionDetails !== "object"
-                    || typeof validate_flo_txid.transactionDetails.floData !== "string"
-                    || validate_flo_txid.transactionDetails.floData.length < 5 // without ':text'
-                    ) throw new Error(`Error: Txid ${params.flo_txid} not found in Blockchain.`);
+                        let _readDB = readDB;
+                        let _updateinDB = updateinDB;
+                        let _removeinDB = removeinDB;
 
-                    let amount_deposited = Number(validate_flo_txid.transactionDetails.floData.match(/\d+/g)[0]);
-                    if(typeof amount_deposited !== "number" || amount_deposited < 1 || amount_deposited===NaN) {
-                        amount_deposited = cash_deposited_by_user;
-                    }
-
-                    amount_deposited = Number(amount_deposited);
-                    
-                    // Update balances datastore
-                    const user_cash_id = `${user_deposit_req.trader_flo_address}_${user_deposit_req.currency}`;
-                    const get_user_balance = await readDB('cash_balances',user_cash_id);
-                    let updateUserBalance;
-
-                    if(typeof get_user_balance=="object" 
-                        && typeof get_user_balance.cash_balance==="number"
-                    ) {
-                        get_user_balance.cash_balance += amount_deposited;
-                        updateUserBalance = await updateinDB("cash_balances", get_user_balance);
-
-                    } else {
-                        let cash_obj = {
-                            cash_balance: amount_deposited,
-                            currency: user_deposit_req.currency,
-                            id: user_cash_id,
-                            trader_flo_address: user_deposit_req.trader_flo_address,
+                        if (localbitcoinplusplus.wallets.my_local_flo_address!==parent_supernode &&
+                            typeof localbitcoinplusplus.newBackupDatabase.db[parent_supernode] ==
+                            "object"
+                        ) {
+                            const foreign_db =
+                                localbitcoinplusplus.newBackupDatabase.db[parent_supernode];
+                            _readDB = foreign_db.backup_readDB.bind(foreign_db);
+                            _updateinDB = foreign_db.backup_updateinDB.bind(foreign_db);
+                            _removeinDB = foreign_db.backup_removeinDB.bind(foreign_db);
                         }
-                        updateUserBalance = await updateinDB("cash_balances", cash_obj);
+
+                        // Validate deposit_id
+                        const user_deposit_req = await _readDB("cash_deposits", params.deposit_id);
+                        if (typeof user_deposit_req!=="object" 
+                            || user_deposit_req===null) return;                  
+
+                        // Validate Flo txid
+                        const validate_flo_txid = await helper_functions
+                            .ajaxGet(`https://ranchimallflo-testnet.duckdns.org/api/v1.0/getTransactionDetails/${params.flo_txid}`);
+
+                        if(typeof validate_flo_txid !== "object"
+                        || typeof validate_flo_txid.transactionDetails !== "object"
+                        || typeof validate_flo_txid.transactionDetails.floData !== "string"
+                        || validate_flo_txid.transactionDetails.floData.length < 5 // without ':text'
+                        ) throw new Error(`Error: Txid ${params.flo_txid} not found in Blockchain.`);
+
+                        let amount_deposited = Number(validate_flo_txid.transactionDetails.floData.match(/\d+/g)[0]);
+                        if(typeof amount_deposited !== "number" || amount_deposited < 1 || amount_deposited===NaN) {
+                            amount_deposited = cash_deposited_by_user;
+                        }
+
+                        amount_deposited = Number(amount_deposited);
+                        
+                        // Update balances datastore
+                        const user_cash_id = `${user_deposit_req.trader_flo_address}_${user_deposit_req.currency}`;
+                        const get_user_balance = await _readDB('cash_balances',user_cash_id);
+                        let updateUserBalance;
+
+                        if(typeof get_user_balance=="object" 
+                            && typeof get_user_balance.cash_balance==="number"
+                        ) {
+                            get_user_balance.cash_balance += amount_deposited;
+                            updateUserBalance = await _updateinDB("cash_balances", get_user_balance);
+
+                        } else {
+                            let cash_obj = {
+                                cash_balance: amount_deposited,
+                                currency: user_deposit_req.currency,
+                                id: user_cash_id,
+                                trader_flo_address: user_deposit_req.trader_flo_address,
+                            }
+                            updateUserBalance = await _updateinDB("cash_balances", cash_obj);
+                        }
+
+                        // Delete data from deposits
+                        if (typeof updateUserBalance!=="object" && updateUserBalance==null) 
+                            throw new Error(`Error: Failed to update balance of User Cash Id: ${user_cash_id}.`);
+                        
+                        _removeinDB("cash_deposits", params.deposit_id);    
+                                            
+                        // Broadcast deposit and cash balances datastore data to backups
+                        let update_cash_balance_obj = {
+                            depositor_cash_data: updateUserBalance,
+                            deposit_req_id: params.deposit_id
+                        }
+                        let update_cash_balance_str = JSON.stringify(update_cash_balance_obj);
+                        let update_cash_balance_hash = Crypto.SHA256(update_cash_balance_str);
+                        let update_cash_balance_sign =
+                            RM_WALLET
+                            .sign(update_cash_balance_hash,
+                                localbitcoinplusplus.wallets.MY_SUPERNODE_PRIVATE_KEY
+                            );
+
+                        update_cash_balance_obj.publicKey =
+                            localbitcoinplusplus.wallets.my_local_flo_public_key;
+                        update_cash_balance_obj.sign = update_cash_balance_sign;
+                        update_cash_balance_obj.hash = update_cash_balance_hash;
+                        update_cash_balance_obj.trader_flo_address 
+                            = user_deposit_req.trader_flo_address;
+
+                        RM_RPC
+                            .send_rpc
+                            .call(this,
+                                "update_all_deposit_success",
+                                update_cash_balance_obj)
+                            .then(update_cash_balance_req=>
+                        doSend(update_cash_balance_req));
+
+                    } catch (error) {
+                        throw new Error(error);
                     }
-
-                    // Delete data from deposits
-                    if (typeof updateUserBalance!=="object" && updateUserBalance==null) 
-                        throw new Error(`Error: Failed to update balance of User Cash Id: ${user_cash_id}.`);
-                    
-                    removeinDB("cash_deposits", params.deposit_id);    
-                                         
-                    // Broadcast deposit and cash balances datastore data to backups
-                    let update_cash_balance_obj = {
-                        depositor_cash_data: updateUserBalance,
-                        deposit_req_id: params.deposit_id
-                    }
-                    let update_cash_balance_str = JSON.stringify(update_cash_balance_obj);
-                    let update_cash_balance_hash = Crypto.SHA256(update_cash_balance_str);
-                    let update_cash_balance_sign =
-                        RM_WALLET
-                        .sign(update_cash_balance_hash,
-                            localbitcoinplusplus.wallets.MY_SUPERNODE_PRIVATE_KEY
-                        );
-
-                    update_cash_balance_obj.publicKey =
-                        localbitcoinplusplus.wallets.my_local_flo_public_key;
-                    update_cash_balance_obj.sign = update_cash_balance_sign;
-                    update_cash_balance_obj.hash = update_cash_balance_hash;
-                    update_cash_balance_obj.trader_flo_address 
-                        = user_deposit_req.trader_flo_address;
-
-                    RM_RPC
-                        .send_rpc
-                        .call(this,
-                            "update_all_deposit_success",
-                            update_cash_balance_obj)
-                        .then(update_cash_balance_req=>
-                    doSend(update_cash_balance_req));
-
-                  } catch (error) {
-                      throw new Error(error);
-                  }
+                  })()
 
                 break;
 
               case "cashier_confirms_user_cash_withdraw":
 
-                try {
-                    if (typeof params.withdraw_id!=="string"
-                    || params.withdraw_id.length<1
-                    || typeof params.upi_txid!=="string"
-                    || params.upi_txid.length<1)
-                    throw new Error(`Error: Invalid/Incomplete message sent by cashier.`);
-    
-                    // Fetch and update withdraw request from db
-                    // #todo 
-                    // Note: Remove withdraw requests older than 1 week using 
-                    // window.requestIdleCallback function
-    
-                    const withdraw_req = await readDB('withdraw_cash', params.withdraw_id);
-                    if(typeof withdraw_req!=="object" 
-                    || withdraw_req.id.length<=0) return;
-    
-                    withdraw_req.upi_txid = params.upi_txid;
-                    withdraw_req.status = 2; // Cashier sent money to Withdrawer
-                    const updated_withdraw_req = await updateinDB('withdraw_cash', withdraw_req, withdraw_req.id);
+                (async function() {
+                    try {
+                        if (typeof params.withdraw_id!=="string"
+                        || params.withdraw_id.length<1
+                        || typeof params.upi_txid!=="string"
+                        || params.upi_txid.length<1)
+                        throw new Error(`Error: Invalid/Incomplete message sent by cashier.`);
+        
+                        // Fetch and update withdraw request from db
+                        // #todo 
+                        // Note: Remove withdraw requests older than 1 week using 
+                        // window.requestIdleCallback function
+
+                        if(localbitcoinplusplus.wallets.my_local_flo_address!==params.receiver_flo_address) return;
+
+                        let _readDB = readDB;
+                        let _updateinDB = updateinDB;
+                        let _removeinDB = removeinDB;
+
+                        const parent_supernode = params.parent_supernode;
+
+                        if (localbitcoinplusplus.wallets.my_local_flo_address!==parent_supernode &&
+                            typeof localbitcoinplusplus.newBackupDatabase.db[parent_supernode] ==
+                            "object"
+                        ) {
+                            const foreign_db =
+                                localbitcoinplusplus.newBackupDatabase.db[parent_supernode];
+                            _readDB = foreign_db.backup_readDB.bind(foreign_db);
+                            _updateinDB = foreign_db.backup_updateinDB.bind(foreign_db);
+                            _removeinDB = foreign_db.backup_removeinDB.bind(foreign_db);
+                        }
+        
+                        const withdraw_req = await _readDB('withdraw_cash', params.withdraw_id);
+                        if(typeof withdraw_req!=="object" 
+                        || withdraw_req.id.length<=0) return;
+        
+                        withdraw_req.upi_txid = params.upi_txid;
+                        withdraw_req.status = 2; // Cashier sent money to Withdrawer
+                        const updated_withdraw_req = await _updateinDB('withdraw_cash', withdraw_req, withdraw_req.id);
+
+                        if(typeof updated_withdraw_req.id !=="string") 
+                            throw new Error(`Error: Failed to update "cashier_confirms_user_cash_withdraw" data.`);
+                        
+                        // Broadcast to backups
+                        RM_RPC
+                            .send_rpc
+                            .call(this,
+                                "record_upi_tx_of_successfull_withdraw",
+                                updated_withdraw_req)
+                            .then(resp=> doSend(resp));
+                        
+                    } catch (error) {
+                        throw new Error(error);
+                    }
+                })() 
 
-                    if(typeof updated_withdraw_req.id !=="string") 
-                        throw new Error(`Error: Failed to update "cashier_confirms_user_cash_withdraw" data.`);
-                    
-                    // Broadcast to backups
-                    RM_RPC
-                        .send_rpc
-                        .call(this,
-                            "record_upi_tx_of_successfull_withdraw",
-                            updated_withdraw_req)
-                        .then(resp=> doSend(resp));
-                    
-                } catch (error) {
-                    throw new Error(error);
-                }
                 break;
 
               default:
@@ -29550,7 +29626,7 @@
           }
           let asset_type = assetTypeInput.value;
           let tradeAmount = Number(tradeAmountSelect.value);
-          let fiatCurrency = currencySelect.value;
+          let fiatCurrency = assetTypeInput.value;
           if (
             typeof userFLOaddress == undefined ||
             userFLOaddress.trim().length < 1