added code to send data to non backup supernodes when all backup supernodes are dead
This commit is contained in:
Abhishek Sinha
parent
7a137ab9e0
commit
c753fe571a
@ -10935,6 +10935,376 @@
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}
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</script>
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<!-- Events -->
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<script>
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reactor.registerEvent('new_supernode_connected');
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reactor.registerEvent('primary_supernode_down');
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reactor.registerEvent('backup_supernode_up');
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reactor.registerEvent('backup_supernode_down');
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reactor.registerEvent('fireNodeWelcomeBackEvent');
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reactor.registerEvent('fireNodeGoodByeEvent');
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reactor.registerEvent('nodeIsAlive');
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reactor.registerEvent('get_node_status_request');
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reactor.registerEvent('sync_primary_and_backup_db');
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reactor.registerEvent('store_backup_crypto_pk_object');
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reactor.registerEvent('sync_backup_nodes_of_my_backup_node');
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reactor.registerEvent('resolve_backup_ws_connections');
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reactor.addEventListener('fireNodeWelcomeBackEvent', function(evt) {
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let getFLOId = bitjs.FLO_TEST.pubkey2address(evt.flo_public_key);
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// ReadyState was 3 when this node disconnected. Re-initiate the
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// WS connection to be able to send/receive messages
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if (typeof localbitcoinplusplus.backupWS[getFLOId]=="object"
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&& localbitcoinplusplus.backupWS[getFLOId].ws_connection.readyState==1) {
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// Do nothing
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} else {
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reactor.dispatchEvent('resolve_backup_ws_connections');
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}
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if (localbitcoinplusplus.master_configurations.supernodesPubKeys
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.includes(evt.flo_public_key)) {
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const switchMyWS = new backupSupernodesWebSocketObject();
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switchMyWS.updateSupernodeAvailabilityStatus(getFLOId, true);
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if (localbitcoinplusplus.master_configurations.supernodesPubKeys
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.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) {
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if (typeof localbitcoinplusplus.wallets.my_local_flo_address == "string"
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&& getFLOId !== localbitcoinplusplus.wallets.my_local_flo_address) {
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localbitcoinplusplus.services[`can_serve_${getFLOId}`] = false;
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}
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}
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}
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});
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reactor.addEventListener('new_supernode_connected', async function(evt) {
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const switchMyWS = new backupSupernodesWebSocketObject();
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switchMyWS.updateSupernodeAvailabilityStatus(evt.srcElement.url, true);
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showMessage(`INFO: Connected successfully to Supernode: ${evt.srcElement.url}`);
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console.log("CONNECTED");
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});
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reactor.addEventListener('primary_supernode_down', async function(evt) {
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showMessage(`INFO: Disconnected to Supernode server: ${evt.srcElement.url}`);
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const switchMyWS = new backupSupernodesWebSocketObject();
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switchMyWS.updateSupernodeAvailabilityStatus(evt.srcElement.url, false);
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const disconnectedWSServerFloId = await switchMyWS.getFloIdFromWSUrl(evt.srcElement.url);
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showMessage(`INFO: Waiting for primary Supernode connection to come back within 30sec.`);
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localbitcoinplusplus.actions.delay(30000).then(async ()=>{
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const getSubjectSupernodeDetails = await readDBbyIndex('myClosestSupernodes', 'trader_flo_address', disconnectedWSServerFloId);
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if (typeof getSubjectSupernodeDetails=="object" && getSubjectSupernodeDetails[0].is_live!==true) {
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showMessage(`INFO: Connection to primary Supernode failed. Attempting to connect to secondary Supernode.`);
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switchMyWS.switchToBackupWS(evt.srcElement.url);
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}
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});
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});
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reactor.addEventListener('fireNodeGoodByeEvent', function(evt_msg) {
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let i = evt_msg.indexOf(' ')
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let temp_ip = evt_msg.substr(0, i);
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readDBbyIndex('ipTable', 'temporary_ip', temp_ip).then(async op =>{
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if(op.length < 1 || typeof op[0].temporary_ip !== 'string') return;
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let getFLOId = bitjs.FLO_TEST.pubkey2address(op[0].flo_public_key);
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if(localbitcoinplusplus.master_configurations.supernodesPubKeys
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.includes(op[0].flo_public_key)) {
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// Update Node availability status to true/false
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const cs = await readDBbyIndex('myClosestSupernodes', 'trader_flo_address', getFLOId);
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if(cs.length<1) {
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console.error(`WARNING: Failed to update Supernodes ${getFLOId} status.`);
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return;
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}
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const switchMyWS = new backupSupernodesWebSocketObject();
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await switchMyWS.updateSupernodeAvailabilityStatus(`ws://${cs[0].ip}:${cs[0].port}`, false);
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// Stop yourself from serving it unless proper DB sync
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localbitcoinplusplus.services[`can_serve_${getFLOId}`] = false;
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// Wait for 10 seconds if the 'dead' supernode only refreshed the page
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await localbitcoinplusplus.actions.delay(10000);
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// Get the current status now
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const getStatusOfDeadSuAgain = await readDBbyIndex('myClosestSupernodes', 'trader_flo_address', getFLOId);
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// If its still dead find out if you are the next eligible backup supernode
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// If true, take charge of dead supernode's operations
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if (getStatusOfDeadSuAgain[0].is_live==false) {
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// Initiate connections with next live supernodes
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reactor.dispatchEvent('resolve_backup_ws_connections');
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const mcs = await readAllDB('myClosestSupernodes');
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const myClosestSupList = mcs.filter((k,i)=>i<=localbitcoinplusplus.master_configurations.MaxBackups);
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const index = mcs.findIndex(f=>f.trader_flo_address==getFLOId);
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tail = mcs.splice(0, index);
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const newClosestSupernodeMasterList = mcs.concat(tail).filter((k,i)=>i<=localbitcoinplusplus.master_configurations.MaxBackups);
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const RM_RPC = new localbitcoinplusplus.rpc;
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for(i=0; i<=newClosestSupernodeMasterList.length; i++) {
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if(newClosestSupernodeMasterList[i].is_live==true
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&& newClosestSupernodeMasterList[i].trader_flo_address !==
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localbitcoinplusplus.wallets.my_local_flo_address) break;
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if(newClosestSupernodeMasterList[i].trader_flo_address==
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localbitcoinplusplus.wallets.my_local_flo_address) {
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// First check if you yourself have the right data to serve
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// If not, either get the data or don't serve the users of
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// that dead supernode.
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const tableArray = ["deposit", "withdraw_cash", "withdraw_btc", "cash_balances",
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"crypto_balances", "buyOrders", "sellOrders", "system_btc_reserves_private_keys"];
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const su_db_data = await localbitcoinplusplus.actions.get_sharable_db_data(tableArray, getFLOId);
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const dbHashData = await localbitcoinplusplus.actions.getDBTablesLatestHashAndTimestamp(getFLOId, su_db_data);
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// Now you have db tables timestamp and tables hashes. Send it to other supernodes to check
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// if you have the latest data. If you don't have the latest data, someone
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// will send you the latest data which you can verify before updating.
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RM_RPC
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.send_rpc
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.call(this, "do_you_have_latest_data_for_this_supernode", dbHashData)
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.then(server_sync_response=>doSend(server_sync_response));
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// Send dead supernode's data to all your backup supernodes
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// which are not dead supernode's backup supernodes to sync
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// data from you
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const nonBackUpSusForDeadSu = myClosestSupList
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.filter(obj=>newClosestSupernodeMasterList.indexOf(obj) == -1);
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console.log(nonBackUpSusForDeadSu);
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if (typeof su_db_data == "object") {
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nonBackUpSusForDeadSu.map(nbs=>{
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su_db_data.trader_flo_address = getFLOId;
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su_db_data.receiver_flo_address = nbs.trader_flo_address;
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RM_RPC
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.send_rpc
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.call(this, "sync_backup_supernode_from_backup_supernode_response", su_db_data)
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.then(server_sync_response=>doSend(server_sync_response, nbs.trader_flo_address));
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});
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}
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break;
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}
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}
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}
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msg = `INFO: Supernode ${getFLOId} left.`;
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} else {
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msg = `INFO: User node ${getFLOId} left.`;
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}
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showMessage(msg);
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});
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});
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reactor.addEventListener('nodeIsAlive', function(res_obj) {
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try {
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if (res_obj.params[0].JOB !== "ARE_YOU_ALIVE"
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&& res_obj.params[0].JOB !== "I_AM_ALIVE") return;
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const params=res_obj.params[0];
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if (params.receiver_flo_address !== localbitcoinplusplus.wallets.my_local_flo_address) return;
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if (localbitcoinplusplus.master_configurations.supernodesPubKeys
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.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) {
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const switchMyWS = new backupSupernodesWebSocketObject();
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switchMyWS.updateSupernodeAvailabilityStatus(params.trader_flo_address, true);
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if (params.trader_flo_address !== localbitcoinplusplus.wallets.my_local_flo_address) {
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localbitcoinplusplus.services[`can_serve_${params.trader_flo_address}`] = false;
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}
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}
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} catch(e) {
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console.warn(e);
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}
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});
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reactor.addEventListener('get_node_status_request', function() {
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readAllDB('myClosestSupernodes').then(nearestSupernodeAddresslist=>{
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const RM_RPC = new localbitcoinplusplus.rpc;
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nearestSupernodeAddresslist.map(f=>{
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if (f.trader_flo_address !== localbitcoinplusplus.wallets.my_local_flo_address) {
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RM_RPC
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.send_rpc
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.call(this, "is_node_alive_request", {
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JOB: 'ARE_YOU_ALIVE',
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trader_flo_address: localbitcoinplusplus.wallets.my_local_flo_address,
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receiver_flo_address: f.trader_flo_address
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}).then(req=>doSend(req));
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}
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});
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});
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});
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reactor.addEventListener('sync_primary_and_backup_db', async function() {
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if (localbitcoinplusplus.master_configurations.supernodesPubKeys.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) {
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showMessage(`INFO: Syncing of latest data starting. This could take some time. Do not close the window until then.`);
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// Get data for deposits and withdraw starting from first (and currently alive) backup supernode
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let closestSuNodes = await readAllDB('myClosestSupernodes');
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let closestSuNodesList = closestSuNodes.map(m=>m.trader_flo_address)
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.slice(1, localbitcoinplusplus.master_configurations.MaxBackups+1);
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console.log(closestSuNodesList);
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localbitcoinplusplus.actions
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.sync_primary_supernode_from_backup_supernode(closestSuNodes[0].trader_flo_address, closestSuNodesList);
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// Update backup db as well for all supernodes you're serving as backup
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let backup_su_list = [];
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for (let index = closestSuNodes.length-1; index >= closestSuNodes.length-localbitcoinplusplus.master_configurations.MaxBackups; index--) {
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backup_su_list[closestSuNodes[index].trader_flo_address] = [closestSuNodes[index].trader_flo_address];
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for (let j = index; j < index+localbitcoinplusplus.master_configurations.MaxBackups; j++) {
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let actual_num = j;
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if(actual_num>=closestSuNodes.length-1) {
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actual_num = j%index
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} else {
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actual_num = j+1;
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}
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const nextBKSu = closestSuNodes[actual_num].trader_flo_address;
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if(nextBKSu==localbitcoinplusplus.wallets.my_local_flo_address) continue;
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backup_su_list[closestSuNodes[index].trader_flo_address].push(nextBKSu);
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}
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}
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console.log(backup_su_list);
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for (const k in backup_su_list) {
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if (backup_su_list.hasOwnProperty(k)) {
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const bsl = backup_su_list[k];
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localbitcoinplusplus.actions
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.sync_backup_supernode_from_backup_supernode(
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closestSuNodes[0].trader_flo_address, bsl, k);
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}
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}
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// If any backup of my backup node is dead, sync its data as well
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reactor.dispatchEvent('sync_backup_nodes_of_my_backup_node',
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Object.keys(backup_su_list)[1]);
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}
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});
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reactor.addEventListener('sync_backup_nodes_of_my_backup_node', async function(subject_flo_id="") {
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// Get backup nodes of your backup node (subject_flo_id)
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let closestNodes = await localbitcoinplusplus.kademlia.determineClosestSupernode('','','',subject_flo_id);
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if(typeof closestNodes !== "object") return;
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let closestNodesOfMyBackupNode = closestNodes.map(m=>m.data.id);
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const backupNodesOfMyBackupNode = closestNodesOfMyBackupNode
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.splice(-localbitcoinplusplus.master_configurations.MaxBackups);
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console.log(backupNodesOfMyBackupNode);
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backupNodesOfMyBackupNode.map(async m=>{
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const getSuStatus = await readDBbyIndex('myClosestSupernodes', 'trader_flo_address', m);
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if (typeof getSuStatus[0] == "object") {
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if (getSuStatus[0].is_live==false) {
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console.log(getSuStatus[0].trader_flo_address);
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if (localbitcoinplusplus.wallets.my_local_flo_address!==getSuStatus[0].trader_flo_address) {
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localbitcoinplusplus.actions
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.sync_backup_supernode_from_backup_supernode(
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localbitcoinplusplus.wallets.my_local_flo_address, "",
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getSuStatus[0].trader_flo_address);
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}
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}
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}
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});
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});
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reactor.addEventListener('store_backup_crypto_pk_object', function(btc_pk_obj) {
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readAllDB('myClosestSupernodes').then(res=>{
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myNeighborNodes = res.filter((k,i)=>
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i<=localbitcoinplusplus.master_configurations.MaxBackups);
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myNeighborNodes.shift();
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myNeighborNodesPubKeys=myNeighborNodes
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.map(m=>localbitcoinplusplus.wallets.prototype
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.getSupernodePublicKeyFromFloId(m.trader_flo_address))
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myNeighborNodesPubKeys.map(resp=>{
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let pubk = resp[0];
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let floAddr = resp[1];
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if(typeof pubk == "string"
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&& localbitcoinplusplus.master_configurations
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.supernodesPubKeys.includes(pubk)) {
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const data = localbitcoinplusplus.encrypt
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.encryptMessage(JSON.stringify(btc_pk_obj), pubk);
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const RM_RPC = new localbitcoinplusplus.rpc;
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RM_RPC.send_rpc
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.call(this, "store_backup_system_btc_reserves_private_keys", {
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data: data,
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receiver_flo_address: floAddr,
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trader_flo_address: localbitcoinplusplus.wallets.my_local_flo_address
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}).then(bar=>doSend(bar, floAddr));
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}
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});
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});
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});
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reactor.addEventListener('resolve_backup_ws_connections', async function(evt) {
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if(!localbitcoinplusplus.master_configurations.supernodesPubKeys
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.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) return;
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const myClosestSus = await readAllDB('myClosestSupernodes');
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let number_of_live_nodes = 0;
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const myLiveBackupNodes = myClosestSus.filter((m, i)=>{
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if(i>0 && number_of_live_nodes<localbitcoinplusplus.master_configurations.MaxBackups) {
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if(m.is_live == true) {
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number_of_live_nodes++;
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return m;
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}
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}
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});
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for (const backup_id in localbitcoinplusplus.backupWS) {
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if (localbitcoinplusplus.backupWS.hasOwnProperty(backup_id)) {
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const backup_conns = localbitcoinplusplus.backupWS[backup_id];
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if(typeof backup_conns.ws_connection == "object") {
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if(backup_conns.ws_connection.readyState !== 1) {
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localbitcoinplusplus.backupWS[backup_id].ws_connection.close();
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delete localbitcoinplusplus.backupWS[backup_id];
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}
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}
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}
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}
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myLiveBackupNodes.map(m=>{
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const getFLOId = m.trader_flo_address;
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if (getFLOId===localbitcoinplusplus.wallets.my_local_flo_address) return;
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const back_ws_url = `ws://${m.ip}:${m.port}`;
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if (typeof localbitcoinplusplus.backupWS[getFLOId]==="object"
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&& localbitcoinplusplus.backupWS[getFLOId].ws_connection.readyState==1) {
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// Do nothing
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} else {
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localbitcoinplusplus.backupWS[getFLOId] = null;
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localbitcoinplusplus.backupWS[getFLOId] = new backupSupernodesWebSocketObject(back_ws_url);
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localbitcoinplusplus.backupWS[getFLOId].connectWS();
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}
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});
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});
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</script>
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<!-- Misc functions -->
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<script>
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// log event in the console
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@ -15567,11 +15937,6 @@
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// Do not serve to any requests unless data is fully synced.
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localbitcoinplusplus.services[`can_serve_${uri.trader_flo_address}`] = false;
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if(index>0
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&& index<=localbitcoinplusplus.master_configurations.MaxBackups) {
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backUpSupernodesWS[uri.trader_flo_address] = new backupSupernodesWebSocketObject(`ws://${uri.ip}:${uri.port}`);
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backUpSupernodesWS[uri.trader_flo_address].connectWS();
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}
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if (index>0) {
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let dbname = `su_backup_${uri.trader_flo_address}`;
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BACKUP_DB[uri.trader_flo_address] = new newBackupDB(dbname);
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@ -15579,6 +15944,9 @@
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}
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});
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// Connect to nearest live backup nodes
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reactor.dispatchEvent('resolve_backup_ws_connections');
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}
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localbitcoinplusplus.MY_SUPERNODE_FLO_ADDRESS = wsUri[0].trader_flo_address;
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@ -15654,12 +16022,6 @@
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// Do not serve to any requests unless data is fully synced.
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localbitcoinplusplus.services[`can_serve_${uri.trader_flo_address}`] = false;
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if(index>0
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&& index<=localbitcoinplusplus.master_configurations.MaxBackups
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) {
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backUpSupernodesWS[uri.trader_flo_address] = new backupSupernodesWebSocketObject(`ws://${uri.ip}:${uri.port}`);
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backUpSupernodesWS[uri.trader_flo_address].connectWS();
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}
|
||||
if (index>0) {
|
||||
let dbname = `su_backup_${uri.trader_flo_address}`;
|
||||
BACKUP_DB[uri.trader_flo_address] = new newBackupDB(dbname);
|
||||
@ -15667,6 +16029,9 @@
|
||||
}
|
||||
});
|
||||
|
||||
// Connect to nearest live backup nodes
|
||||
reactor.dispatchEvent('resolve_backup_ws_connections');
|
||||
|
||||
}
|
||||
|
||||
resolve(true);
|
||||
@ -15689,18 +16054,36 @@
|
||||
showMessage(`Connected to backup Supernode sever: ${evt.srcElement.url}.`);
|
||||
switchMyWS.updateSupernodeAvailabilityStatus(evt.srcElement.url, true);
|
||||
let my_local_data = await readDB('localbitcoinUser', '00-01');
|
||||
if (typeof my_local_data == "object"
|
||||
&& localbitcoinplusplus.master_configurations.supernodesPubKeys.includes(my_local_data.myLocalFLOAddress)) {
|
||||
if (typeof my_local_data == "object") {
|
||||
const conn_su_flo_id = await switchMyWS.getFloIdFromWSUrl(evt.srcElement.url);
|
||||
|
||||
if (typeof conn_su_flo_id == "string") {
|
||||
my_local_data.lastConnectedTime = + new Date();
|
||||
my_local_data.lastConnectedSupernode = conn_su_flo_id;
|
||||
updateinDB('localbitcoinUser', my_local_data);
|
||||
if (localbitcoinplusplus.master_configurations.supernodesPubKeys
|
||||
.includes(my_local_data.myLocalFLOPublicKey)) {
|
||||
// If conn_su_flo_id is not an immediate backup then give your data to it to sync
|
||||
const myClosestSus = await readAllDB('myClosestSupernodes');
|
||||
const myClosestSusList = myClosestSus.map(m=>m.trader_flo_address);
|
||||
if (myClosestSusList.indexOf(conn_su_flo_id) >
|
||||
localbitcoinplusplus.master_configurations.MaxBackups) {
|
||||
// Ask conn_su_flo_id to ask you your DB data
|
||||
const RM_RPC = new localbitcoinplusplus.rpc;
|
||||
RM_RPC
|
||||
.send_rpc
|
||||
.call(this, "request_me_db_data", {
|
||||
trader_flo_address: localbitcoinplusplus.wallets.my_local_flo_address,
|
||||
receiver_flo_address: conn_su_flo_id,
|
||||
db_inst: localbitcoinplusplus.wallets.my_local_flo_address
|
||||
}).then(req=>doSend(req));
|
||||
}
|
||||
} else {
|
||||
mss = `WARNING: Failed to update current supernode connected status in localbitcoinUser.`;
|
||||
showMessage(mss);
|
||||
throw new Error(mss);
|
||||
if (typeof conn_su_flo_id == "string") {
|
||||
my_local_data.lastConnectedTime = + new Date();
|
||||
my_local_data.lastConnectedSupernode = conn_su_flo_id;
|
||||
updateinDB('localbitcoinUser', my_local_data);
|
||||
} else {
|
||||
mss = `WARNING: Failed to update current supernode connected status in localbitcoinUser.`;
|
||||
showMessage(mss);
|
||||
throw new Error(mss);
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
@ -17172,7 +17555,7 @@
|
||||
case "reconnect_with_another_supernode":
|
||||
if (typeof res_obj.params == "object" && typeof res_obj.params[0] == "object"
|
||||
&& !localbitcoinplusplus.master_configurations.supernodesPubKeys
|
||||
.includes(res_obj.nodePubKey)
|
||||
.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)
|
||||
) {
|
||||
(async function() {
|
||||
let su_db_data = res_obj.params[0];
|
||||
@ -18651,7 +19034,7 @@
|
||||
case "reconnect_with_another_supernode":
|
||||
if (typeof res_obj.params == "object" && typeof res_obj.params[0] == "object"
|
||||
&& localbitcoinplusplus.master_configurations.supernodesPubKeys
|
||||
.includes(res_obj.nodePubKey)
|
||||
.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)
|
||||
) {
|
||||
(async function() {
|
||||
let su_db_data = res_obj.params[0];
|
||||
@ -18732,6 +19115,22 @@
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case "request_me_db_data":
|
||||
if (localbitcoinplusplus.master_configurations.supernodesPubKeys
|
||||
.includes(res_obj.nodePubKey)) {
|
||||
const resp = res_obj.params[0];
|
||||
|
||||
if(localbitcoinplusplus.wallets.my_local_flo_address !== resp.receiver_flo_address) return;
|
||||
|
||||
localbitcoinplusplus.actions
|
||||
.sync_backup_supernode_from_backup_supernode(
|
||||
localbitcoinplusplus.wallets.my_local_flo_address,
|
||||
resp.trader_flo_address,
|
||||
resp.db_inst
|
||||
);
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
@ -19676,23 +20075,16 @@
|
||||
}
|
||||
}
|
||||
|
||||
console.log(response_object);
|
||||
|
||||
// Inform (relevent) user nodes they should connect to another more eligible supenode
|
||||
// Send only if you were the acting supernode for res_obj.globalParams.senderFloId
|
||||
console.log(localbitcoinplusplus.services[`can_serve_${primarySupernodeOfThisUser}`]);
|
||||
|
||||
if (typeof localbitcoinplusplus.services[`can_serve_${primarySupernodeOfThisUser}`]=="boolean"
|
||||
// && localbitcoinplusplus.services[`can_serve_${primarySupernodeOfThisUser}`]===true
|
||||
) {
|
||||
RM_RPC
|
||||
RM_RPC
|
||||
.send_rpc
|
||||
.call(this, "reconnect_with_another_supernode", {
|
||||
"trader_flo_address": res_obj.globalParams.senderFloId,
|
||||
"server_msg": `A new Supernode is live and synced. You will now be connected to ${res_obj.globalParams.senderFloId}.
|
||||
The process can take some time. You will be notified shortly once system is ready to serve.`,
|
||||
}).then(server_response=>doSend(server_response));
|
||||
}
|
||||
|
||||
const tableArray = ["deposit", "withdraw_cash", "withdraw_btc", "cash_balances",
|
||||
"crypto_balances", "buyOrders", "sellOrders", "system_btc_reserves_private_keys"];
|
||||
@ -19707,17 +20099,7 @@
|
||||
const dbHashData_from_my_db = await localbitcoinplusplus.actions.getDBTablesLatestHashAndTimestamp(primarySupernodeOfThisUser, su_db_data_from_my_db);
|
||||
|
||||
// If you have same data as the sender has, you don't need to return any data to him
|
||||
if (dbHashData_from_my_db.DBHash===response_object.DBHash) {
|
||||
// Send the sender he is synced with this supernode and to update can_serve property to true
|
||||
RM_RPC
|
||||
.send_rpc
|
||||
.call(this, "you_are_set_to_serve_given_supernode", {
|
||||
trader_flo_address: res_obj.globalParams.senderFloId,
|
||||
can_serve_supernode: primarySupernodeOfThisUser,
|
||||
receiver_flo_address: res_obj.globalParams.senderFloId,
|
||||
}).then(resp=>doSend(resp));
|
||||
return;
|
||||
}
|
||||
if (dbHashData_from_my_db.DBHash===response_object.DBHash) return;
|
||||
if (dbHashData_from_my_db.id!==response_object.id) return;
|
||||
if (dbHashData_from_my_db.data_of!==response_object.data_of) return;
|
||||
|
||||
@ -19951,6 +20333,22 @@
|
||||
}
|
||||
break;
|
||||
|
||||
case "request_me_db_data":
|
||||
if (localbitcoinplusplus.master_configurations.supernodesPubKeys
|
||||
.includes(res_obj.nodePubKey)) {
|
||||
const resp = res_obj.params[0];
|
||||
|
||||
if(localbitcoinplusplus.wallets.my_local_flo_address !== resp.receiver_flo_address) return;
|
||||
|
||||
localbitcoinplusplus.actions
|
||||
.sync_backup_supernode_from_backup_supernode(
|
||||
localbitcoinplusplus.wallets.my_local_flo_address,
|
||||
resp.trader_flo_address,
|
||||
resp.db_inst
|
||||
);
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
@ -22026,374 +22424,7 @@
|
||||
|
||||
</script>
|
||||
|
||||
<!-- Events -->
|
||||
<script>
|
||||
reactor.registerEvent('new_supernode_connected');
|
||||
reactor.registerEvent('primary_supernode_down');
|
||||
reactor.registerEvent('backup_supernode_up');
|
||||
reactor.registerEvent('backup_supernode_down');
|
||||
reactor.registerEvent('fireNodeWelcomeBackEvent');
|
||||
reactor.registerEvent('fireNodeGoodByeEvent');
|
||||
reactor.registerEvent('nodeIsAlive');
|
||||
reactor.registerEvent('get_node_status_request');
|
||||
reactor.registerEvent('sync_primary_and_backup_db');
|
||||
reactor.registerEvent('store_backup_crypto_pk_object');
|
||||
reactor.registerEvent('sync_backup_nodes_of_my_backup_node');
|
||||
reactor.registerEvent('resolve_backup_ws_connections');
|
||||
|
||||
reactor.addEventListener('fireNodeWelcomeBackEvent', function(evt) {
|
||||
let getFLOId = bitjs.FLO_TEST.pubkey2address(evt.flo_public_key);
|
||||
|
||||
// ReadyState was 3 when this node disconnected. Re-initiate the
|
||||
// WS connection to be able to send/receive messages
|
||||
if (typeof localbitcoinplusplus.backupWS[getFLOId]=="object"
|
||||
&& localbitcoinplusplus.backupWS[getFLOId].ws_connection.readyState==1) {
|
||||
// Do nothing
|
||||
} else {
|
||||
reactor.dispatchEvent('resolve_backup_ws_connections');
|
||||
}
|
||||
|
||||
if (localbitcoinplusplus.master_configurations.supernodesPubKeys
|
||||
.includes(evt.flo_public_key)) {
|
||||
const switchMyWS = new backupSupernodesWebSocketObject();
|
||||
switchMyWS.updateSupernodeAvailabilityStatus(getFLOId, true);
|
||||
if (localbitcoinplusplus.master_configurations.supernodesPubKeys
|
||||
.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) {
|
||||
if (typeof localbitcoinplusplus.wallets.my_local_flo_address == "string"
|
||||
&& getFLOId !== localbitcoinplusplus.wallets.my_local_flo_address) {
|
||||
localbitcoinplusplus.services[`can_serve_${getFLOId}`] = false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
});
|
||||
|
||||
reactor.addEventListener('new_supernode_connected', async function(evt) {
|
||||
const switchMyWS = new backupSupernodesWebSocketObject();
|
||||
switchMyWS.updateSupernodeAvailabilityStatus(evt.srcElement.url, true);
|
||||
showMessage(`INFO: Connected successfully to Supernode: ${evt.srcElement.url}`);
|
||||
console.log("CONNECTED");
|
||||
});
|
||||
|
||||
reactor.addEventListener('primary_supernode_down', async function(evt) {
|
||||
showMessage(`INFO: Disconnected to Supernode server: ${evt.srcElement.url}`);
|
||||
|
||||
const switchMyWS = new backupSupernodesWebSocketObject();
|
||||
switchMyWS.updateSupernodeAvailabilityStatus(evt.srcElement.url, false);
|
||||
const disconnectedWSServerFloId = await switchMyWS.getFloIdFromWSUrl(evt.srcElement.url);
|
||||
showMessage(`INFO: Waiting for primary Supernode connection to come back within 30sec.`);
|
||||
|
||||
localbitcoinplusplus.actions.delay(30000).then(async ()=>{
|
||||
const getSubjectSupernodeDetails = await readDBbyIndex('myClosestSupernodes', 'trader_flo_address', disconnectedWSServerFloId);
|
||||
if (typeof getSubjectSupernodeDetails=="object" && getSubjectSupernodeDetails[0].is_live!==true) {
|
||||
showMessage(`INFO: Connection to primary Supernode failed. Attempting to connect to secondary Supernode.`);
|
||||
switchMyWS.switchToBackupWS(evt.srcElement.url);
|
||||
}
|
||||
});
|
||||
});
|
||||
|
||||
reactor.addEventListener('fireNodeGoodByeEvent', function(evt_msg) {
|
||||
let i = evt_msg.indexOf(' ')
|
||||
let temp_ip = evt_msg.substr(0, i);
|
||||
|
||||
readDBbyIndex('ipTable', 'temporary_ip', temp_ip).then(async op =>{
|
||||
if(op.length < 1 || typeof op[0].temporary_ip !== 'string') return;
|
||||
let getFLOId = bitjs.FLO_TEST.pubkey2address(op[0].flo_public_key);
|
||||
if(localbitcoinplusplus.master_configurations.supernodesPubKeys
|
||||
.includes(op[0].flo_public_key)) {
|
||||
|
||||
// Update Node availability status to true/false
|
||||
const cs = await readDBbyIndex('myClosestSupernodes', 'trader_flo_address', getFLOId);
|
||||
if(cs.length<1) {
|
||||
console.error(`WARNING: Failed to update Supernodes ${getFLOId} status.`);
|
||||
return;
|
||||
}
|
||||
const switchMyWS = new backupSupernodesWebSocketObject();
|
||||
await switchMyWS.updateSupernodeAvailabilityStatus(`ws://${cs[0].ip}:${cs[0].port}`, false);
|
||||
|
||||
// Stop yourself from serving it unless proper DB sync
|
||||
localbitcoinplusplus.services[`can_serve_${getFLOId}`] = false;
|
||||
|
||||
// Wait for 10 seconds if the 'dead' supernode only refreshed the page
|
||||
await localbitcoinplusplus.actions.delay(10000);
|
||||
|
||||
// Get the current status now
|
||||
const getStatusOfDeadSuAgain = await readDBbyIndex('myClosestSupernodes', 'trader_flo_address', getFLOId);
|
||||
|
||||
// If its still dead find out if you are the next eligible backup supernode
|
||||
// If true, take charge of dead supernode's operations
|
||||
if (getStatusOfDeadSuAgain[0].is_live==false) {
|
||||
|
||||
// Initiate connections with next live supernodes
|
||||
reactor.dispatchEvent('resolve_backup_ws_connections');
|
||||
|
||||
const mcs = await readAllDB('myClosestSupernodes');
|
||||
const myClosestSupList = mcs.filter((k,i)=>i<=localbitcoinplusplus.master_configurations.MaxBackups);
|
||||
const index = mcs.findIndex(f=>f.trader_flo_address==getFLOId);
|
||||
tail = mcs.splice(0, index);
|
||||
const newClosestSupernodeMasterList = mcs.concat(tail).filter((k,i)=>i<=localbitcoinplusplus.master_configurations.MaxBackups);
|
||||
|
||||
const RM_RPC = new localbitcoinplusplus.rpc;
|
||||
|
||||
for(i=0; i<=newClosestSupernodeMasterList.length; i++) {
|
||||
|
||||
if(newClosestSupernodeMasterList[i].is_live==true
|
||||
&& newClosestSupernodeMasterList[i].trader_flo_address !==
|
||||
localbitcoinplusplus.wallets.my_local_flo_address) break;
|
||||
|
||||
if(newClosestSupernodeMasterList[i].trader_flo_address==
|
||||
localbitcoinplusplus.wallets.my_local_flo_address) {
|
||||
|
||||
// First check if you yourself have the right data to serve
|
||||
// If not, either get the data or don't serve the users of
|
||||
// that dead supernode.
|
||||
|
||||
const tableArray = ["deposit", "withdraw_cash", "withdraw_btc", "cash_balances",
|
||||
"crypto_balances", "buyOrders", "sellOrders", "system_btc_reserves_private_keys"];
|
||||
|
||||
const su_db_data = await localbitcoinplusplus.actions.get_sharable_db_data(tableArray, getFLOId);
|
||||
|
||||
const dbHashData = await localbitcoinplusplus.actions.getDBTablesLatestHashAndTimestamp(getFLOId, su_db_data);
|
||||
|
||||
// Now you have db tables timestamp and tables hashes. Send it to other supernodes to check
|
||||
// if you have the latest data. If you don't have the latest data, someone
|
||||
// will send you the latest data which you can verify before updating.
|
||||
|
||||
RM_RPC
|
||||
.send_rpc
|
||||
.call(this, "do_you_have_latest_data_for_this_supernode", dbHashData)
|
||||
.then(server_sync_response=>doSend(server_sync_response));
|
||||
|
||||
// Send dead supernode's data to all your backup supernodes
|
||||
// which are not dead supernode's backup supernodes to sync
|
||||
// data from you
|
||||
|
||||
const nonBackUpSusForDeadSu = myClosestSupList
|
||||
.filter(obj=>newClosestSupernodeMasterList.indexOf(obj) == -1);
|
||||
|
||||
console.log(nonBackUpSusForDeadSu);
|
||||
|
||||
if (typeof su_db_data == "object") {
|
||||
nonBackUpSusForDeadSu.map(nbs=>{
|
||||
su_db_data.trader_flo_address = getFLOId;
|
||||
su_db_data.receiver_flo_address = nbs.trader_flo_address;
|
||||
|
||||
RM_RPC
|
||||
.send_rpc
|
||||
.call(this, "sync_backup_supernode_from_backup_supernode_response", su_db_data)
|
||||
.then(server_sync_response=>doSend(server_sync_response, nbs.trader_flo_address));
|
||||
});
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
msg = `INFO: Supernode ${getFLOId} left.`;
|
||||
} else {
|
||||
msg = `INFO: User node ${getFLOId} left.`;
|
||||
}
|
||||
|
||||
showMessage(msg);
|
||||
});
|
||||
});
|
||||
|
||||
reactor.addEventListener('nodeIsAlive', function(res_obj) {
|
||||
try {
|
||||
if (res_obj.params[0].JOB !== "ARE_YOU_ALIVE"
|
||||
&& res_obj.params[0].JOB !== "I_AM_ALIVE") return;
|
||||
const params=res_obj.params[0];
|
||||
if (params.receiver_flo_address !== localbitcoinplusplus.wallets.my_local_flo_address) return;
|
||||
|
||||
if (localbitcoinplusplus.master_configurations.supernodesPubKeys
|
||||
.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) {
|
||||
|
||||
const switchMyWS = new backupSupernodesWebSocketObject();
|
||||
switchMyWS.updateSupernodeAvailabilityStatus(params.trader_flo_address, true);
|
||||
|
||||
if (params.trader_flo_address !== localbitcoinplusplus.wallets.my_local_flo_address) {
|
||||
localbitcoinplusplus.services[`can_serve_${params.trader_flo_address}`] = false;
|
||||
}
|
||||
}
|
||||
|
||||
} catch(e) {
|
||||
console.warn(e);
|
||||
}
|
||||
});
|
||||
|
||||
reactor.addEventListener('get_node_status_request', function() {
|
||||
readAllDB('myClosestSupernodes').then(nearestSupernodeAddresslist=>{
|
||||
const RM_RPC = new localbitcoinplusplus.rpc;
|
||||
nearestSupernodeAddresslist.map(f=>{
|
||||
if (f.trader_flo_address !== localbitcoinplusplus.wallets.my_local_flo_address) {
|
||||
RM_RPC
|
||||
.send_rpc
|
||||
.call(this, "is_node_alive_request", {
|
||||
JOB: 'ARE_YOU_ALIVE',
|
||||
trader_flo_address: localbitcoinplusplus.wallets.my_local_flo_address,
|
||||
receiver_flo_address: f.trader_flo_address
|
||||
}).then(req=>doSend(req));
|
||||
}
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
reactor.addEventListener('sync_primary_and_backup_db', async function() {
|
||||
if (localbitcoinplusplus.master_configurations.supernodesPubKeys.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) {
|
||||
|
||||
showMessage(`INFO: Syncing of latest data starting. This could take some time. Do not close the window until then.`);
|
||||
|
||||
// Get data for deposits and withdraw starting from first (and currently alive) backup supernode
|
||||
let closestSuNodes = await readAllDB('myClosestSupernodes');
|
||||
|
||||
let closestSuNodesList = closestSuNodes.map(m=>m.trader_flo_address)
|
||||
.slice(1, localbitcoinplusplus.master_configurations.MaxBackups+1);
|
||||
console.log(closestSuNodesList);
|
||||
|
||||
localbitcoinplusplus.actions
|
||||
.sync_primary_supernode_from_backup_supernode(closestSuNodes[0].trader_flo_address, closestSuNodesList);
|
||||
|
||||
// Update backup db as well for all supernodes you're serving as backup
|
||||
|
||||
let backup_su_list = [];
|
||||
for (let index = closestSuNodes.length-1; index >= closestSuNodes.length-localbitcoinplusplus.master_configurations.MaxBackups; index--) {
|
||||
|
||||
backup_su_list[closestSuNodes[index].trader_flo_address] = [closestSuNodes[index].trader_flo_address];
|
||||
for (let j = index; j < index+localbitcoinplusplus.master_configurations.MaxBackups; j++) {
|
||||
let actual_num = j;
|
||||
if(actual_num>=closestSuNodes.length-1) {
|
||||
actual_num = j%index
|
||||
} else {
|
||||
actual_num = j+1;
|
||||
}
|
||||
const nextBKSu = closestSuNodes[actual_num].trader_flo_address;
|
||||
if(nextBKSu==localbitcoinplusplus.wallets.my_local_flo_address) continue;
|
||||
backup_su_list[closestSuNodes[index].trader_flo_address].push(nextBKSu);
|
||||
}
|
||||
}
|
||||
console.log(backup_su_list);
|
||||
|
||||
for (const k in backup_su_list) {
|
||||
if (backup_su_list.hasOwnProperty(k)) {
|
||||
const bsl = backup_su_list[k];
|
||||
localbitcoinplusplus.actions
|
||||
.sync_backup_supernode_from_backup_supernode(
|
||||
closestSuNodes[0].trader_flo_address, bsl, k);
|
||||
}
|
||||
}
|
||||
|
||||
// If any backup of my backup node is dead, sync its data as well
|
||||
reactor.dispatchEvent('sync_backup_nodes_of_my_backup_node',
|
||||
Object.keys(backup_su_list)[1]);
|
||||
|
||||
}
|
||||
});
|
||||
|
||||
reactor.addEventListener('sync_backup_nodes_of_my_backup_node', async function(subject_flo_id="") {
|
||||
|
||||
// Get backup nodes of your backup node (subject_flo_id)
|
||||
let closestNodes = await localbitcoinplusplus.kademlia.determineClosestSupernode('','','',subject_flo_id);
|
||||
|
||||
if(typeof closestNodes !== "object") return;
|
||||
let closestNodesOfMyBackupNode = closestNodes.map(m=>m.data.id);
|
||||
const backupNodesOfMyBackupNode = closestNodesOfMyBackupNode
|
||||
.splice(-localbitcoinplusplus.master_configurations.MaxBackups);
|
||||
console.log(backupNodesOfMyBackupNode);
|
||||
|
||||
backupNodesOfMyBackupNode.map(async m=>{
|
||||
const getSuStatus = await readDBbyIndex('myClosestSupernodes', 'trader_flo_address', m);
|
||||
if (typeof getSuStatus[0] == "object") {
|
||||
if (getSuStatus[0].is_live==false) {
|
||||
console.log(getSuStatus[0].trader_flo_address);
|
||||
if (localbitcoinplusplus.wallets.my_local_flo_address!==getSuStatus[0].trader_flo_address) {
|
||||
localbitcoinplusplus.actions
|
||||
.sync_backup_supernode_from_backup_supernode(
|
||||
localbitcoinplusplus.wallets.my_local_flo_address, "",
|
||||
getSuStatus[0].trader_flo_address);
|
||||
}
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
});
|
||||
|
||||
reactor.addEventListener('store_backup_crypto_pk_object', function(btc_pk_obj) {
|
||||
readAllDB('myClosestSupernodes').then(res=>{
|
||||
myNeighborNodes = res.filter((k,i)=>
|
||||
i<=localbitcoinplusplus.master_configurations.MaxBackups);
|
||||
myNeighborNodes.shift();
|
||||
myNeighborNodesPubKeys=myNeighborNodes
|
||||
.map(m=>localbitcoinplusplus.wallets.prototype
|
||||
.getSupernodePublicKeyFromFloId(m.trader_flo_address))
|
||||
|
||||
myNeighborNodesPubKeys.map(resp=>{
|
||||
let pubk = resp[0];
|
||||
let floAddr = resp[1];
|
||||
|
||||
if(typeof pubk == "string"
|
||||
&& localbitcoinplusplus.master_configurations
|
||||
.supernodesPubKeys.includes(pubk)) {
|
||||
|
||||
const data = localbitcoinplusplus.encrypt
|
||||
.encryptMessage(JSON.stringify(btc_pk_obj), pubk);
|
||||
|
||||
const RM_RPC = new localbitcoinplusplus.rpc;
|
||||
RM_RPC.send_rpc
|
||||
.call(this, "store_backup_system_btc_reserves_private_keys", {
|
||||
data: data,
|
||||
receiver_flo_address: floAddr,
|
||||
trader_flo_address: localbitcoinplusplus.wallets.my_local_flo_address
|
||||
}).then(bar=>doSend(bar, floAddr));
|
||||
}
|
||||
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
reactor.addEventListener('resolve_backup_ws_connections', async function(evt) {
|
||||
|
||||
if(!localbitcoinplusplus.master_configurations.supernodesPubKeys
|
||||
.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) return;
|
||||
|
||||
const myClosestSus = await readAllDB('myClosestSupernodes');
|
||||
let number_of_live_nodes = 0;
|
||||
const myLiveBackupNodes = myClosestSus.filter((m, i)=>{
|
||||
if(i>0 && number_of_live_nodes<localbitcoinplusplus.master_configurations.MaxBackups) {
|
||||
if(m.is_live == true) {
|
||||
number_of_live_nodes++;
|
||||
return m;
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
for (const backup_id in localbitcoinplusplus.backupWS) {
|
||||
if (localbitcoinplusplus.backupWS.hasOwnProperty(backup_id)) {
|
||||
const backup_conns = localbitcoinplusplus.backupWS[backup_id];
|
||||
if(typeof backup_conns.ws_connection == "object") {
|
||||
if(backup_conns.ws_connection.readyState !== 1) {
|
||||
localbitcoinplusplus.backupWS[backup_id].ws_connection.close();
|
||||
delete localbitcoinplusplus.backupWS[backup_id];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
myLiveBackupNodes.map(m=>{
|
||||
const getFLOId = m.trader_flo_address;
|
||||
const back_ws_url = `ws://${m.ip}:${m.port}`;
|
||||
|
||||
if (typeof localbitcoinplusplus.backupWS[getFLOId]=="object"
|
||||
&& localbitcoinplusplus.backupWS[getFLOId].ws_connection.readyState==1) {
|
||||
// Do nothing
|
||||
} else {
|
||||
localbitcoinplusplus.backupWS[getFLOId] = null;
|
||||
localbitcoinplusplus.backupWS[getFLOId] = new backupSupernodesWebSocketObject(back_ws_url);
|
||||
localbitcoinplusplus.backupWS[getFLOId].connectWS();
|
||||
}
|
||||
});
|
||||
});
|
||||
|
||||
</script>
|
||||
|
||||
</body>
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user