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added code to sync primary or backup data based on hash, timestamp and vector clock filter

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This commit is contained in:
Abhishek Sinha 2019-06-28 16:44:35 +05:30
parent f251be29f0
commit 22f083fa7a
1 changed files with 39 additions and 48 deletions
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87
supernode/index.html
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@ -10159,7 +10159,7 @@
}).then(sync_request=>doSend(sync_request));
},
sync_primary_supernode_from_backup_supernode: function (primary_su="", backup_su="") {
sync_primary_supernode_from_backup_supernode: async function (primary_su="", backup_su="") {
const RM_RPC = new localbitcoinplusplus.rpc;
// RM_RPC.send_rpc.call(this,
// "sync_primary_supernode_from_backup_supernode", {
@ -10181,10 +10181,10 @@
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, primary_su);
const su_db_data = await localbitcoinplusplus.actions.get_sharable_db_data(tableArray);
const dbHashData = await localbitcoinplusplus.actions.getDBTablesLatestHashAndTimestamp(primary_su, su_db_data);
dbHashData['allowed_receivers'] = backup_su;
// 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.
@ -10196,7 +10196,7 @@
},
sync_backup_supernode_from_backup_supernode: function (requester="", receiver="", flo_addr_of_backup="") {
sync_backup_supernode_from_backup_supernode: async function (requester="", receiver="", flo_addr_of_backup="") {
const RM_RPC = new localbitcoinplusplus.rpc;
// RM_RPC.send_rpc.call(this,
// "sync_backup_supernode_from_backup_supernode", {
@ -10222,7 +10222,7 @@
const su_db_data = await localbitcoinplusplus.actions.get_sharable_db_data(tableArray, flo_addr_of_backup);
const dbHashData = await localbitcoinplusplus.actions.getDBTablesLatestHashAndTimestamp(flo_addr_of_backup, su_db_data);
dbHashData['allowed_receivers'] = receiversList;
// 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.
@ -10303,7 +10303,7 @@
});
var max = Math.max.apply( null, arr );
if(typeof max !=="number" || [-Infinity, NaN, false, null, undefined].includes(max)) max=0;
return higestVCList[`${m}_HVC`] = max;
return higestVCList[`${m}_TIME`] = max;
}
});
resolve(higestVCList);
@ -19302,6 +19302,9 @@
.includes(res_obj.nodePubKey)) {
const response_object = res_obj.params[0];
if(typeof response_object.trader_flo_address !="string") return;
if(typeof response_object.allowed_receivers=="object"
&& !response_object.allowed_receivers
.includes(localbitcoinplusplus.wallets.my_local_flo_address)) return;
localbitcoinplusplus.kademlia.determineClosestSupernode(res_obj.params[0].trader_flo_address)
.then(async my_closest_su_list=>{
@ -19359,8 +19362,8 @@
const res_data_obj = await _readAllDB(mf)
let filtered_data = res_data_obj.filter(odho=>{
if (typeof odho.timestamp=="number"
&& typeof response_object.higestTimestampList[`${mf}_HVC`] !=='undefined') {
return odho.timestamp >= response_object.higestTimestampList[`${mf}_HVC`];
&& typeof response_object.higestTimestampList[`${mf}_TIME`] !=='undefined') {
return odho.timestamp >= Number(response_object.higestTimestampList[`${mf}_TIME`]-3600);
}
});
@ -21705,50 +21708,38 @@
// Get data for deposits and withdraw starting from first (and currently alive) backup supernode
let closestSuNodes = await readAllDB('myClosestSupernodes');
let firstAliveBackupFloIdForPrimarySupernode;
for (let index = 1; index <= closestSuNodes.length-1; index++) {
if (closestSuNodes[index].is_live==true && typeof firstAliveBackupFloIdForPrimarySupernode !== "string") {
firstAliveBackupFloIdForPrimarySupernode = closestSuNodes[index].trader_flo_address;
localbitcoinplusplus.actions
.sync_primary_supernode_from_backup_supernode(closestSuNodes[0].trader_flo_address, firstAliveBackupFloIdForPrimarySupernode);
}
}
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
// 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--) {
let firstAliveBackupFloIdForBackupSupernode;
if (closestSuNodes[index].is_live==true && typeof firstAliveBackupFloIdForBackupSupernode !== "string") {
firstAliveBackupFloIdForBackupSupernode = closestSuNodes[index].trader_flo_address;
localbitcoinplusplus.actions
.sync_backup_supernode_from_backup_supernode(closestSuNodes[0].trader_flo_address,
firstAliveBackupFloIdForBackupSupernode, closestSuNodes[index].trader_flo_address);
} else {
// it will ask backup from backup su next closest
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
&& closestSuNodes[actual_num].is_live==true
&& typeof firstAliveBackupFloIdForBackupSupernode !== "string") {
firstAliveBackupFloIdForBackupSupernode = closestSuNodes[actual_num].trader_flo_address;
localbitcoinplusplus.actions
.sync_backup_supernode_from_backup_supernode(closestSuNodes[0].trader_flo_address,
firstAliveBackupFloIdForBackupSupernode, closestSuNodes[index].trader_flo_address);
}
backup_su_list[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);
backup_su_list.map(bsl=>localbitcoinplusplus.actions
.sync_backup_supernode_from_backup_supernode(closestSuNodes[0].trader_flo_address,
bsl, closestSuNodes[index].trader_flo_address));
}
});