data being synced in all neighbour backup db as per vector clock
This commit is contained in:
Abhishek Sinha
parent
891ffe4e6c
commit
172fc1a603
@ -10138,6 +10138,13 @@
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}
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return arr;
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},
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get_sharable_db_data_for_single_user: async function (dbTableNamesArray) {
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let arr = {};
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for (const elem of dbTableNamesArray) {
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await readDBbyIndex(elem).then(e => arr[elem] = e);
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}
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return arr;
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},
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claim_deposit_withdraw: function (claim_id) {
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if (typeof claim_id == "string" && claim_id.length > 0) {
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@ -11073,11 +11080,7 @@
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let store_pvtkey_req = RM_RPC
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.send_rpc
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.call(this, "store_shamirs_secret_pvtkey_shares", shares);
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localbitcoinplusplus.kademlia.determineClosestSupernode(flo_id)
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.then(my_closest_su=>{
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store_pvtkey_req.globalParams.primarySupernode = my_closest_su[0].data.id;
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return store_pvtkey_req;
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}).then((store_pvtkey_req)=>doSend(store_pvtkey_req))
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doSend(store_pvtkey_req);
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});
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return Promise.resolve(true);
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@ -11115,6 +11118,22 @@
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request.globalParams.receiverFloId = params[0].receiver_flo_address;
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}
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if (typeof params[0].trader_flo_address !=="string") {
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readDB('localbitcoinUser', '00-01').then(result=>{
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if (typeof result !=="object" || typeof result.myLocalFLOAddress !=="string") {
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let msg = `ERROR: Failed to determine user's local data.`;
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showMessage(msg);
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throw new Error(msg);
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}
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localbitcoinplusplus.kademlia
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.determineClosestSupernode(result.myLocalFLOAddress)
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.then(my_closest_su=>{
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request.globalParams.primarySupernode = my_closest_su[0].data.id;
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return request.toString();
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});
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});
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}
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return request.toString();
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},
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@ -11511,12 +11530,7 @@
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"store_shamirs_secret_pvtkey_shares",
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shares
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);
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localbitcoinplusplus.kademlia.determineClosestSupernode(flo_id)
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.then(my_closest_su=>{
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store_pvtkey_req.globalParams.primarySupernode = my_closest_su[0].data.id;
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return store_pvtkey_req;
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}).then(store_pvtkey_req=>doSend(store_pvtkey_req))
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doSend(store_pvtkey_req);
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});
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if (typeof localbitcoinplusplus
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@ -11968,12 +11982,7 @@
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withdraw_id: vbl.withdraw_id
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}
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);
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localbitcoinplusplus.kademlia
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.determineClosestSupernode(localbitcoinplusplus.wallets.my_local_flo_address)
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.then(my_closest_su=>{
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retrieve_pvtkey_req.globalParams.primarySupernode = my_closest_su[0].data.id;
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return retrieve_pvtkey_req;
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}).then(retrieve_pvtkey_req=>doSend(retrieve_pvtkey_req));
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doSend(retrieve_pvtkey_req);
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}
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);
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});
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@ -12779,11 +12788,7 @@
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shares
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);
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localbitcoinplusplus.kademlia.determineClosestSupernode(flo_id)
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.then(my_closest_su=>{
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store_pvtkey_req.globalParams.primarySupernode = my_closest_su[0].data.id;
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return store_pvtkey_req;
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}).then(store_pvtkey_req=>doSend(store_pvtkey_req))
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doSend(store_pvtkey_req);
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});
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if (typeof localbitcoinplusplus
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@ -13235,12 +13240,7 @@
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withdraw_id: vbl.withdraw_id
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}
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);
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localbitcoinplusplus.kademlia
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.determineClosestSupernode(localbitcoinplusplus.wallets.my_local_flo_address)
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.then(my_closest_su=>{
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retrieve_pvtkey_req.globalParams.primarySupernode = my_closest_su[0].data.id;
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return retrieve_pvtkey_req;
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}).then(retrieve_pvtkey_req=>doSend(retrieve_pvtkey_req));
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doSend(retrieve_pvtkey_req);
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}
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);
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});
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@ -14506,7 +14506,6 @@
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"data_hash": hashed_data,
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"supernode_sign": signed_data,
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"supernodePubKey": user_data.myLocalFLOPublicKey,
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"receiver_flo_address": "BROADCAST_TO_NODES",
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}
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callback(response_for_client);
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return true;
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@ -15440,13 +15439,7 @@
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.send_rpc
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.call(this, "SupernodesKBucketDataResponse", myKBData);
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localbitcoinplusplus.kademlia.determineClosestSupernode(sender)
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.then(my_closest_su=>{
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console.log(sendBackMySupernodeKBucket);
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sendBackMySupernodeKBucket.globalParams.primarySupernode = my_closest_su[0].data.id;
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return sendBackMySupernodeKBucket;
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}).then((sendBackMySupernodeKBucket)=>doSend(sendBackMySupernodeKBucket));
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doSend(sendBackMySupernodeKBucket);
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})
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}
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);
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@ -15713,6 +15706,12 @@
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try {
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var res_obj = JSON.parse(res);
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if (typeof res_obj.globalParams.receiverFloId=="string"
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&& res_obj.globalParams.receiverFloId !==
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localbitcoinplusplus.wallets.my_local_flo_address) {
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return;
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}
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const isIncomingMessageValid = await validateIncomingMessage(res);
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console.log("isIncomingMessageValid: ", isIncomingMessageValid);
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@ -16033,12 +16032,7 @@
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.send_rpc
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.call(this, "retrieve_shamirs_secret_supernode_pvtkey", "");
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}
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localbitcoinplusplus.kademlia.determineClosestSupernode(res_obj.globalParams.senderFloId)
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.then(my_closest_su=>{
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send_pvtkey_req.globalParams.primarySupernode = my_closest_su[0].data.id;
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return send_pvtkey_req;
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}).then(send_pvtkey_req=>doSend(send_pvtkey_req));
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doSend(send_pvtkey_req);
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return;
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});
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@ -16088,11 +16082,7 @@
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private_key_chunk: res,
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withdraw_id: res_obj.params[0].withdraw_id
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});
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localbitcoinplusplus.kademlia.determineClosestSupernode(res_obj.globalParams.senderFloId)
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.then(my_closest_su=>{
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send_pvtkey_req.globalParams.primarySupernode = my_closest_su[0].data.id;
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return send_pvtkey_req;
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}).then(send_pvtkey_req=>doSend(send_pvtkey_req))
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doSend(send_pvtkey_req);
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});
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}
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break;
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@ -16662,17 +16652,6 @@
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console.log(res_obj);
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break;
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case "getNeighborSupernodesItsVectorClockStatusForADeadSupernodeDBReq":
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if (localbitcoinplusplus.master_configurations.supernodesPubKeys
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.inlcudes(localbitcoinplusplus.wallets.my_local_flo_public_key)) {
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if (typeof res_obj.params == "object" && typeof res_obj.params[0] == "object") {
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let req_dt = res_obj.params[0];
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console.log(req_dt);
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}
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}
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break;
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default:
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break;
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}
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@ -16711,6 +16690,12 @@
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try {
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var res_obj = JSON.parse(res);
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if (typeof res_obj.globalParams.receiverFloId=="string"
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&& res_obj.globalParams.receiverFloId !==
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localbitcoinplusplus.wallets.my_local_flo_address) {
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return;
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}
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const isIncomingMessageValid = await validateIncomingMessage(res);
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console.log("isIncomingMessageValid: ", isIncomingMessageValid);
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@ -17821,6 +17806,87 @@
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console.log(res_obj);
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break;
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case "sync_data_by_vector_clock":
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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 res_obj.params == "object" && typeof res_obj.params[0] == "object") {
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try {
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(async function() {
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let req_dt = res_obj.params[0];
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let db_instance = localbitcoinplusplus.newBackupDatabase.db[req_dt.leaving_supernode_flo_id];
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let dbTable = req_dt.dbTable;
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let data = req_dt.data;
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let subjectUser = data.trader_flo_address;
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let mss = '';
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if (typeof data.id !== "string" && typeof data.id !== "number") {
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mss = `WARNING: Failed to sync data by vector clock as id field could not be found.`;
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showMessage(mss);
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throw new Error(mss);
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}
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if (typeof db_instance !=="object") {
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mss = `WARNING: Failed to sync data by vector clock as invalid DB instance was encountered.`;
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showMessage(mss);
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throw new Error(mss);
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}
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let myOwnDBData = await db_instance.backup_readDB(dbTable, data.id);
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if (typeof myOwnDBData.vectorClock !== "number") {
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mss = `WARNING: Failed to sync data by vector clock as id field could not be found.`;
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showMessage(mss);
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throw new Error(mss);
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}
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if (data.vectorClock < myOwnDBData.vectorClock) {
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// You have the latest data, send it to other supernodes
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let getNextClosestSuObj = await localbitcoinplusplus.kademlia
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.determineClosestSupernode(req_dt.leaving_supernode_flo_id, 3);
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let nextBackupSupernode = getNextClosestSuObj[1].data.id;
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if (typeof nextBackupSupernode !== "string") {
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let msg = `WARNING: Failed to determine next closest backup supernode for ${req_dt.leaving_supernode_flo_id}.`;
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showMessage(msg);
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throw new Error(msg);
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}
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getNextClosestSuObj.map((nextSu, i)=>{
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if(nextSu.data.id !==localbitcoinplusplus.wallets.my_local_flo_address) {
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let nextSuConn = localbitcoinplusplus.backupWS[nextSu.data.id];
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if(typeof nextSuConn !== "object") {
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let msg = `WARNING: Failed to open a backup WS connection with Supernode ${nextSu}.`;
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showMessage(msg);
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throw new Error(msg);
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}
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let server_response = RM_RPC
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.send_rpc
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.call(this, "sync_data_by_vector_clock", {
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trader_flo_address: data.trader_flo_address,
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receiver_flo_address: nextSu.data.id,
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leaving_supernode_flo_id: req_dt.leaving_supernode_flo_id,
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data: myOwnDBData,
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dbTable: dbTable
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});
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doSend(server_response, nextSu.data.id);
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}
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})
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} else if(data.vectorClock > myOwnDBData.vectorClock) {
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// You have old data, update respective DB.
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db_instance.backup_updateinDB(dbTable, data).then(()=>{
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showMessage(`INFO: Data updated in ${dbTable} for id ${data.id}.`);
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});
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}
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})()
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} catch (error) {
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throw new Error(error);
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}
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}
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}
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break;
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default:
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break;
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}
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@ -17838,11 +17904,23 @@
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return msg;
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}
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function doSend(message) {
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function doSend(message, user_flo_id="") {
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if(websocket.readyState !== 1) {
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console.warn("Websocket not ready to broadcast messages.");
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//return;
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let wsConn = websocket;
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if (user_flo_id!=="") {
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try {
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wsConn = localbitcoinplusplus.backupWS[user_flo_id].ws_connection;
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} catch (error) {
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showMessage(`ERROR: Failed to determine WS connection with ${user_flo_id}.`);
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throw new Error(error);
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}
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}
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if(wsConn.readyState !== 1) {
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let msg = "WARNING: Websocket not ready to broadcast messages.";
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showMessage(msg);
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console.warn(mag);
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return;
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}
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const request_array = ['send_back_shamirs_secret_supernode_pvtkey',
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'retrieve_shamirs_secret_supernode_pvtkey',
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@ -17873,7 +17951,7 @@
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}
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writeToScreen("SENT: " + finalMessage);
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websocket.send(finalMessage);
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wsConn.send(finalMessage);
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}
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function validateIncomingMessage(message) {
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@ -18592,16 +18670,17 @@
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backup_readDB(tablename, id) {
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return new Promise((resolve, reject) => {
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this.transaction = this.db.transaction([tablename]);
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var objectStore = transaction.objectStore(tablename);
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var objectStore = this.transaction.objectStore(tablename);
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this.request = objectStore.get(id);
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let parent_request = this.request;
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this.request.onerror = function (event) {
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reject("Unable to retrieve data from database!");
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};
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this.request.onsuccess = function (event) {
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if (this.request.result) {
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resolve(this.request.result);
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if (parent_request.result) {
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resolve(parent_request.result);
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} else {
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resolve();
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}
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@ -18689,10 +18768,11 @@
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return new Promise((resolve, reject) => {
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this.request = this.db.transaction([tablename], "readwrite")
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.objectStore(tablename);
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let parent_request = this.request;
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var index = this.request.index(indexName);
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this.request = index.openCursor(IDBKeyRange.only(indexValue));
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this.request.onsuccess = function () {
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var cursor = this.request.result;
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var cursor = parent_request.result;
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if (cursor) {
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cursor.delete();
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cursor.continue();
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@ -19601,7 +19681,6 @@
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if(localbitcoinplusplus.master_configurations.supernodesPubKeys
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.includes(op[0].flo_public_key)) {
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msg = `INFO: Supernode ${getFLOId} left.`;
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reactor.dispatchEvent('getNeighborSupernodesItsVectorClockStatusForADeadSupernodeDB', getFLOId);
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} else {
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msg = `INFO: User node ${getFLOId} left.`;
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}
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@ -19610,13 +19689,14 @@
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});
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});
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reactor.registerEvent('getNeighborSupernodesItsVectorClockStatusForADeadSupernodeDB');
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reactor.addEventListener('getNeighborSupernodesItsVectorClockStatusForADeadSupernodeDB', async function(leaving_supernode_flo_id) {
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let getNextClosestSuObj = await localbitcoinplusplus.kademlia.determineClosestSupernode(leaving_supernode_flo_id, 3);
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reactor.registerEvent('requestSupernodeToActAsBackupServerForRequestingUserNode');
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reactor.addEventListener('requestSupernodeToActAsBackupServerForRequestingUserNode',
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async function(params) {
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let getNextClosestSuObj = await localbitcoinplusplus.kademlia.determineClosestSupernode(params.leaving_supernode_flo_id, 3);
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let nextBackupSupernode = getNextClosestSuObj[1].data.id;
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if (typeof nextBackupSupernode !== "string") {
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let msg = `WARNING: Failed to determine next closest backup supernode for ${leaving_supernode_flo_id}.`;
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let msg = `WARNING: Failed to determine next closest backup supernode for ${params.leaving_supernode_flo_id}.`;
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showMessage(msg);
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throw new Error(msg);
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}
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@ -19626,19 +19706,33 @@
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if (nextBackupSupernode == localbitcoinplusplus.wallets.my_local_flo_address) {
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getNextClosestSuObj.map((nextSu, i)=>{
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if((i>0) && (nextSu.data.id !==localbitcoinplusplus.wallets.my_local_flo_address)) {
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let nextSuConn = localbitcoinplusplus.backupWS[nextSu.data.id];
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let nextSuConn = localbitcoinplusplus.newBackupDatabase.db[nextSu.data.id];
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if(typeof nextSuConn !== "object") {
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let msg = `WARNING: Failed to open a backup WS connection with Supernode ${nextSu}.`;
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let msg = `WARNING: Failed to open a backup DB with Supernode ${nextSu}.`;
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showMessage(msg);
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throw new Error(msg);
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}
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let server_response = RM_RPC
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.send_rpc
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.call(this, "getNeighborSupernodesItsVectorClockStatusForADeadSupernodeDBReq", {
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leaving_supernode_flo_id:leaving_supernode_flo_id
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const table_array = ['cash_balances'];
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table_array.map(async tbl=>{
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let record = await nextSuConn.backup_readDBbyIndex(tbl, 'trader_flo_address', params.requesting_user_id);
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record.map(rec=>{
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let server_response = RM_RPC
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.send_rpc
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.call(this, "sync_data_by_vector_clock", {
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trader_flo_address: params.requesting_user_id,
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receiver_flo_address: nextSu.data.id,
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leaving_supernode_flo_id: params.leaving_supernode_flo_id,
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data: rec,
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dbTable: tbl
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});
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doSend(server_response, nextSu.data.id);
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});
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});
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server_response.globalParams.primarySupernode = leaving_supernode_flo_id;
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nextSuConn.ws_connection.send(server_response);
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}
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});
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}
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Loading…
Reference in New Issue
Block a user