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fixed primary backup issues

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This commit is contained in:
Abhishek Sinha 2019-05-28 18:53:40 +05:30
parent 07cea65783
commit a8c94586b7
1 changed files with 123 additions and 102 deletions
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225
supernode/index.html
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@ -10165,7 +10165,13 @@
"trader_flo_address": primary_su, "trader_flo_address": primary_su,
"job": "SYNC_PRIMARY_SUPERNODE_DB_WITH_BACKUP_SUPERNODE_DB", "job": "SYNC_PRIMARY_SUPERNODE_DB_WITH_BACKUP_SUPERNODE_DB",
"receiver_flo_address": backup_su, "receiver_flo_address": backup_su,
}).then(sync_request=>doSend(sync_request, backup_su)); }).then(sync_request=>{
if (typeof localbitcoinplusplus.backupWS[backup_su]=="object") {
doSend(sync_request, backup_su);
} else {
doSend(sync_request);
}
});
}, },
sync_backup_supernode_from_backup_supernode: function (requester="", receiver="", flo_addr_of_backup="") { sync_backup_supernode_from_backup_supernode: function (requester="", receiver="", flo_addr_of_backup="") {
@ -10176,7 +10182,13 @@
"job": "SYNC_BACKUP_SUPERNODE_DB_WITH_BACKUP_SUPERNODE_DB", "job": "SYNC_BACKUP_SUPERNODE_DB_WITH_BACKUP_SUPERNODE_DB",
"receiver_flo_address": receiver, "receiver_flo_address": receiver,
"requester_flo_id": requester "requester_flo_id": requester
}).then(sync_request=>doSend(sync_request, receiver)); }).then(sync_request=>{
if (typeof localbitcoinplusplus.backupWS[receiver]=="object") {
doSend(sync_request, receiver);
} else {
doSend(sync_request);
}
});
}, },
get_sharable_db_data: async function (dbTableNamesArray, backup_db="") { get_sharable_db_data: async function (dbTableNamesArray, backup_db="") {
@ -12619,7 +12631,7 @@
.call(this, "sync_primary_supernode_from_backup_supernode_response", .call(this, "sync_primary_supernode_from_backup_supernode_response",
su_db_data) su_db_data)
.then(server_sync_response=> .then(server_sync_response=>
doSend(server_sync_response, params.trader_flo_address)); doSend(server_sync_response));
} }
}); });
} }
@ -15238,51 +15250,6 @@
// Connect with primary supernodes // Connect with primary supernodes
await startWebSocket(`ws://${wsUri[0].ip}:${wsUri[0].port}`); await startWebSocket(`ws://${wsUri[0].ip}:${wsUri[0].port}`);
// Check last connected supernode, if not primary then
// update the user data from other su first
if (localbitcoinplusplus.master_configurations.supernodesPubKeys.includes(idbData.myLocalFLOPublicKey)) {
if (typeof idbData.lastConnectedSupernode == "string"
&& idbData.lastConnectedSupernode !== wsUri[0].trader_flo_address) {
showMessage(`INFO: We are fetching your latest data. 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 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);
}
}
// Update backup db as well for all supernodes you're serving as backup
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-1; j >= index-localbitcoinplusplus.master_configurations.MaxBackups; j--) {
const nextBKSu = closestSuNodes[j].trader_flo_address;
if (nextBKSu !== idbData.myLocalFLOAddress
&& closestSuNodes[index].is_live==true
&& typeof firstAliveBackupFloIdForBackupSupernode !== "string") {
localbitcoinplusplus.actions
.sync_backup_supernode_from_backup_supernode(closestSuNodes[0].trader_flo_address,
firstAliveBackupFloIdForBackupSupernode, closestSuNodes[j].trader_flo_address);
}
}
}
}
}
}
// rebuild private key // rebuild private key
await privateKeyBuilder(); await privateKeyBuilder();
@ -15375,6 +15342,7 @@
let incoming_msg_local_ip = ``; let incoming_msg_local_ip = ``;
if (isRequestToLinkIp>=0 || isRequestToLinkOthersIp>=0) { if (isRequestToLinkIp>=0 || isRequestToLinkOthersIp>=0) {
handle_backup_server_messages(response); handle_backup_server_messages(response);
return;
} }
var res_pos = response.indexOf('{'); var res_pos = response.indexOf('{');
if (res_pos >= 0) { if (res_pos >= 0) {
@ -15383,19 +15351,17 @@
if (res_obj.method==="add_user_public_data") { if (res_obj.method==="add_user_public_data") {
handle_backup_server_messages(response); handle_backup_server_messages(response);
} }
if (res_obj.method==="sync_backup_supernode_from_backup_supernode") { if (res_obj.method==="sync_backup_supernode_from_backup_supernode"
// if (localbitcoinplusplus.master_configurations.supernodesPubKeys || res_obj.method==="sync_primary_supernode_from_backup_supernode_response") {
// .includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) {
// response_from_sever = RM_RPC.backup_receive_rpc_response.call(this,
// JSON.stringify(res_obj));
// }
onMessage(response); onMessage(response);
return;
} }
if (res_obj.method==="is_node_alive_request" if (res_obj.method==="is_node_alive_request"
&& localbitcoinplusplus.master_configurations.supernodesPubKeys && localbitcoinplusplus.master_configurations.supernodesPubKeys
.includes(localbitcoinplusplus.wallets.my_local_flo_public_key) .includes(localbitcoinplusplus.wallets.my_local_flo_public_key)
&& (res_obj.params[0].receiver_flo_address == localbitcoinplusplus.wallets.my_local_flo_address)) { && (res_obj.params[0].receiver_flo_address == localbitcoinplusplus.wallets.my_local_flo_address)) {
reactor.dispatchEvent('nodeIsAlive', res_obj); reactor.dispatchEvent('nodeIsAlive', res_obj);
return;
} }
} }
}.bind(this); }.bind(this);
@ -15536,7 +15502,7 @@
} }
async function onMessage(evt) { async function onMessage(evt) {
var response = evt.data; var response = evt.data || evt;
console.log('RESPONSE: ' + response); console.log('RESPONSE: ' + response);
// If the message is about leaving of a node determine its FLO Id // If the message is about leaving of a node determine its FLO Id
// and fire respective events // and fire respective events
@ -16563,39 +16529,7 @@
let i = 0; let i = 0;
for (let tableStoreName in su_db_data) { for (let tableStoreName in su_db_data) {
i++; i++;
if (i==Object.keys(su_db_data).length-2) {
// Get data for crypto and fiat balances based on vector clock from all backup supernodes
reactor.dispatchEvent('primarySupernodeUpdatingLatestDataForItsUserFromOtherSupernodes',
{ requesting_user_id: localbitcoinplusplus.wallets.my_local_flo_address});
await localbitcoinplusplus.actions.delay(180000).then(()=>{
showMessage(`INFO: Balance syncing is complete.`);
localbitcoinplusplus.amIreadyToServePrimaryUsers = true;
const RM_RPC = new localbitcoinplusplus.rpc;
// Method 1: Inform user nodes they can now trade
RM_RPC
.send_rpc
.call(this, "reconnect_with_another_supernode", {
"trader_flo_address": respective_trader_id,
"receiver_flo_address": "", // message for all
"ws_url": websocket.url,
"server_msg": `Your primary Supernode is live and synced. You can start using the system.`,
}).then(server_response=>doSend(server_response));
// Method 2: Now inform all backup supernodes you are back and request to stop serving your users
// RM_RPC
// .send_rpc
// .call(this, "update_supernode_status", {
// trader_flo_address: localbitcoinplusplus.wallets.my_local_flo_address,
// trader_pub_key: localbitcoinplusplus.wallets.my_local_flo_public_key,
// su_status: true,
// }).then(server_response=>
// doSend(server_response, nextSu.data.id));
});
}
// skip loop if the property is from prototype // skip loop if the property is from prototype
if (tableStoreName == 'trader_flo_address' if (tableStoreName == 'trader_flo_address'
|| tableStoreName == 'receiver_flo_address' || tableStoreName == 'receiver_flo_address'
@ -16628,6 +16562,40 @@
} }
} }
if (i==Object.keys(su_db_data).length-2) {
// Get data for crypto and fiat balances based on vector clock from all backup supernodes
reactor.dispatchEvent('primarySupernodeUpdatingLatestDataForItsUserFromOtherSupernodes',
{ requesting_user_id: localbitcoinplusplus.wallets.my_local_flo_address});
await localbitcoinplusplus.actions.delay(180000).then(()=>{
showMessage(`INFO: Balance syncing is complete.`);
localbitcoinplusplus.amIreadyToServePrimaryUsers = true;
const RM_RPC = new localbitcoinplusplus.rpc;
// Method 1: Inform user nodes they can now trade
RM_RPC
.send_rpc
.call(this, "reconnect_with_another_supernode", {
"trader_flo_address": su_db_data.trader_flo_address,
//"receiver_flo_address": "", // message for all
"ws_url": websocket.url,
"server_msg": `Your primary Supernode is live and synced. You can start using the system.`,
}).then(server_response=>doSend(server_response));
// Method 2: Now inform all backup supernodes you are back and request to stop serving your users
// RM_RPC
// .send_rpc
// .call(this, "update_supernode_status", {
// trader_flo_address: localbitcoinplusplus.wallets.my_local_flo_address,
// trader_pub_key: localbitcoinplusplus.wallets.my_local_flo_public_key,
// su_status: true,
// }).then(server_response=>
// doSend(server_response, nextSu.data.id));
});
}
} catch (error) { } catch (error) {
console.log(error); console.log(error);
} }
@ -18827,14 +18795,16 @@
// The message is for a specific supernode only // The message is for a specific supernode only
if (user_flo_id!=="" && user_flo_id.length>0) { if (user_flo_id!=="" && user_flo_id.length>0) {
try { try {
wsConn = localbitcoinplusplus.backupWS[user_flo_id].ws_connection; if (typeof localbitcoinplusplus.backupWS[user_flo_id]=="object") {
if(wsConn.readyState !== 1) { wsConn = localbitcoinplusplus.backupWS[user_flo_id].ws_connection;
let msg = "WARNING: Websocket not ready to broadcast messages."; if(wsConn.readyState !== 1) {
showMessage(msg); let msg = "WARNING: Websocket not ready to broadcast messages.";
console.warn(msg); showMessage(msg);
return; console.warn(msg);
return;
}
wsConn.send(finalMessage);
} }
wsConn.send(finalMessage);
} catch (error) { } catch (error) {
showMessage(`ERROR: Failed to determine WS connection with ${user_flo_id}.`); showMessage(`ERROR: Failed to determine WS connection with ${user_flo_id}.`);
throw new Error(error); throw new Error(error);
@ -18847,14 +18817,16 @@
for (const key in localbitcoinplusplus.backupWS) { for (const key in localbitcoinplusplus.backupWS) {
if (localbitcoinplusplus.backupWS.hasOwnProperty(key)) { if (localbitcoinplusplus.backupWS.hasOwnProperty(key)) {
const ws_conn = localbitcoinplusplus.backupWS[key].ws_connection; if (typeof localbitcoinplusplus.backupWS[key]=="object") {
if(ws_conn.readyState !== 1) { const ws_conn = localbitcoinplusplus.backupWS[key].ws_connection;
let msg = "WARNING: Websocket not ready to broadcast messages."; if(ws_conn.readyState !== 1) {
showMessage(msg); let msg = "WARNING: Websocket not ready to broadcast messages.";
console.warn(msg); showMessage(msg);
break; console.warn(msg);
break;
}
ws_conn.send(finalMessage);
} }
ws_conn.send(finalMessage);
} }
} }
@ -19936,6 +19908,55 @@
} }
}); });
// Check last connected supernode, if not primary then
// update the user data from other su first
wsUri = await localbitcoinplusplus.kademlia.getSupernodeSeed(idbData.myLocalFLOAddress);
if (localbitcoinplusplus.master_configurations.supernodesPubKeys.includes(idbData.myLocalFLOPublicKey)) {
if (typeof idbData.lastConnectedSupernode == "string"
&& idbData.lastConnectedSupernode !== wsUri[0].trader_flo_address) {
showMessage(`INFO: We are fetching your latest data. 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 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);
}
}
// Update backup db as well for all supernodes you're serving as backup
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-1; j >= index-localbitcoinplusplus.master_configurations.MaxBackups; j--) {
const nextBKSu = closestSuNodes[j].trader_flo_address;
if (nextBKSu !== idbData.myLocalFLOAddress
&& closestSuNodes[index].is_live==true
&& typeof firstAliveBackupFloIdForBackupSupernode !== "string") {
localbitcoinplusplus.actions
.sync_backup_supernode_from_backup_supernode(closestSuNodes[0].trader_flo_address,
firstAliveBackupFloIdForBackupSupernode, closestSuNodes[j].trader_flo_address);
}
}
}
}
}
}
// Show balances // Show balances
displayBalances(idbData.myLocalFLOAddress); displayBalances(idbData.myLocalFLOAddress);