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modified backup db remove functions to not delete data but keep just id, vector clock and timestamp

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This commit is contained in:
Abhishek Sinha 2019-07-09 13:13:20 +05:30
parent 449f8b961b
commit 44d9327798
1 changed files with 71 additions and 96 deletions
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165
supernode/index.html
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@ -14686,7 +14686,6 @@
_updateinDB = foreign_db.backup_updateinDB.bind(foreign_db); _updateinDB = foreign_db.backup_updateinDB.bind(foreign_db);
_removeinDB = foreign_db.backup_removeinDB.bind(foreign_db); _removeinDB = foreign_db.backup_removeinDB.bind(foreign_db);
_removeByIndex = foreign_db.backup_removeByIndex.bind(foreign_db); _removeByIndex = foreign_db.backup_removeByIndex.bind(foreign_db);
_removeAllinDB = foreign_db.backup_removeAllinDB.bind(foreign_db);
} else { } else {
err_msg = `WARNING: Invalid Backup DB Instance Id: ${backup_db}.`; err_msg = `WARNING: Invalid Backup DB Instance Id: ${backup_db}.`;
showMessage(err_msg); showMessage(err_msg);
@ -15928,6 +15927,8 @@
if (typeof res_obj.params == "object" && typeof res_obj.params[0] == "object") { if (typeof res_obj.params == "object" && typeof res_obj.params[0] == "object") {
let su_db_data = res_obj.params[0]; let su_db_data = res_obj.params[0];
if(localbitcoinplusplus.master_configurations.supernodesPubKeys
.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) return;
if (typeof localbitcoinplusplus.wallets.my_local_flo_address !== "string" || if (typeof localbitcoinplusplus.wallets.my_local_flo_address !== "string" ||
su_db_data.trader_flo_address !== localbitcoinplusplus.wallets.my_local_flo_address su_db_data.trader_flo_address !== localbitcoinplusplus.wallets.my_local_flo_address
) return false; ) return false;
@ -16721,12 +16722,12 @@
} }
} }
} else { } else {
let resdbdata = await BACKUP_DB.backup_removeAllinDB(tableStoreName);
if (resdbdata !== false) { if (resdbdata !== false) {
if (obj.length > 0) { if (obj.length > 0) {
for (var prop in obj) { for (var prop in obj) {
if (!obj.hasOwnProperty(prop)) continue; if (!obj.hasOwnProperty(prop)) continue;
await BACKUP_DB.backup_addDB(resdbdata, obj[prop]); await BACKUP_DB.backup_updateinDB(resdbdata, obj[prop], obj[
prop].trader_flo_address, true, false);
} }
} }
} }
@ -16831,29 +16832,15 @@
|| !su_db_data.hasOwnProperty(tableStoreName)) continue; || !su_db_data.hasOwnProperty(tableStoreName)) continue;
try { try {
let obj = su_db_data[tableStoreName]; let obj = su_db_data[tableStoreName];
if (["crypto_balances", "cash_balances", "userPublicData", "system_btc_reserves_private_keys"] if (obj.length > 0) {
.includes(tableStoreName)) { for (var prop in obj) {
if (obj.length > 0) { if (!obj.hasOwnProperty(prop)) continue;
for (var prop in obj) { await updateinDB(tableStoreName, obj[prop], obj[prop].id, true, false)
if (!obj.hasOwnProperty(prop)) continue; .then(()=>{
await updateinDB(tableStoreName, obj[prop], obj[prop].id, true, false) showMessage(`INFO: "${tableStoreName}" datastore syncing is complete.`);
.then(()=>{ });
showMessage(`INFO: "${tableStoreName}" datastore syncing is complete.`);
});
}
}
} else {
let resdbdata = await removeAllinDB(tableStoreName);
if (resdbdata !== false) {
if (obj.length > 0) {
for (var prop in obj) {
if (!obj.hasOwnProperty(prop)) continue;
await updateinDB(resdbdata, obj[prop], obj[prop].id, true, false).then(()=>{
showMessage(`INFO: "${resdbdata}" datastore syncing is complete.`);
});
}
}
} }
} }
@ -16909,7 +16896,6 @@
_readDB = foreign_db.backup_readDB.bind(foreign_db); _readDB = foreign_db.backup_readDB.bind(foreign_db);
_readDBbyIndex = foreign_db.backup_readDBbyIndex.bind(foreign_db); _readDBbyIndex = foreign_db.backup_readDBbyIndex.bind(foreign_db);
_updateinDB = foreign_db.backup_updateinDB.bind(foreign_db); _updateinDB = foreign_db.backup_updateinDB.bind(foreign_db);
_removeAllinDB = foreign_db.backup_removeAllinDB.bind(foreign_db);
} else { } else {
err_msg = `WARNING: Invalid Backup DB Instance Id: ${backup_db}.`; err_msg = `WARNING: Invalid Backup DB Instance Id: ${backup_db}.`;
showMessage(err_msg); showMessage(err_msg);
@ -16928,29 +16914,15 @@
|| !su_db_data.hasOwnProperty(tableStoreName)) continue; || !su_db_data.hasOwnProperty(tableStoreName)) continue;
try { try {
let obj = su_db_data[tableStoreName]; let obj = su_db_data[tableStoreName];
if (["crypto_balances", "cash_balances", "userPublicData", "system_btc_reserves_private_keys"] if (obj.length > 0) {
.includes(tableStoreName)) { for (var prop in obj) {
if (obj.length > 0) { if (!obj.hasOwnProperty(prop)) continue;
for (var prop in obj) { _updateinDB(tableStoreName, obj[prop], obj[prop].id, true, false)
if (!obj.hasOwnProperty(prop)) continue; .then(()=>{
_updateinDB(tableStoreName, obj[prop], obj[prop].id, true, false) showMessage(`INFO: "${tableStoreName}" datastore syncing is complete.`);
.then(()=>{ });
showMessage(`INFO: "${tableStoreName}" datastore syncing is complete.`);
});
}
}
} else {
let resdbdata = await _removeAllinDB(tableStoreName); // returns tableStoreName or false
if (resdbdata !== false) {
if (obj.length > 0) {
for (var prop in obj) {
if (!obj.hasOwnProperty(prop)) continue;
_updateinDB(resdbdata, obj[prop], obj[prop].id, true, false).then(()=>{
showMessage(`INFO: "${resdbdata}" datastore syncing is complete.`);
});
}
}
} }
} }
@ -17368,8 +17340,7 @@
showMessage(err_msg); showMessage(err_msg);
throw new Error(err_msg); throw new Error(err_msg);
} }
tradeDB = cancel_request.trade_type == "buy" ? "buyOrders" : tradeDB = cancel_request.trade_type == "buy" ? "buyOrders" : "sellOrders";
"sellOrders";
if (RM_WALLET if (RM_WALLET
.verify(cancel_request.trade_id, cancel_request.signed_trade_id, .verify(cancel_request.trade_id, cancel_request.signed_trade_id,
trader_data.trader_flo_pubKey)) { trader_data.trader_flo_pubKey)) {
@ -18190,12 +18161,12 @@
} }
} }
} else { } else {
let resdbdata = await BACKUP_DB.backup_removeAllinDB(tableStoreName);
if (resdbdata !== false) { if (resdbdata !== false) {
if (obj.length > 0) { if (obj.length > 0) {
for (var prop in obj) { for (var prop in obj) {
if (!obj.hasOwnProperty(prop)) continue; if (!obj.hasOwnProperty(prop)) continue;
await BACKUP_DB.backup_addDB(resdbdata, obj[prop]); await BACKUP_DB.backup_updateinDB(resdbdata, obj[prop],
obj[prop].trader_flo_address, true, false);
} }
} }
} }
@ -18548,6 +18519,9 @@
.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) return; .includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) return;
let su_backup_db_data = res_obj.params[0]; let su_backup_db_data = res_obj.params[0];
if(localbitcoinplusplus.master_configurations.supernodesPubKeys
.includes(localbitcoinplusplus.wallets.my_local_flo_public_key)) return;
RM_RPC.filter_legit_backup_requests(su_backup_db_data.trader_flo_address, RM_RPC.filter_legit_backup_requests(su_backup_db_data.trader_flo_address,
async function (is_valid_request) { async function (is_valid_request) {
if(!is_valid_request) return false; if(!is_valid_request) return false;
@ -19345,7 +19319,6 @@
_readDB = foreign_db.backup_readDB.bind(foreign_db); _readDB = foreign_db.backup_readDB.bind(foreign_db);
_readDBbyIndex = foreign_db.backup_readDBbyIndex.bind(foreign_db); _readDBbyIndex = foreign_db.backup_readDBbyIndex.bind(foreign_db);
_updateinDB = foreign_db.backup_updateinDB.bind(foreign_db); _updateinDB = foreign_db.backup_updateinDB.bind(foreign_db);
_removeAllinDB = foreign_db.backup_removeAllinDB.bind(foreign_db);
} else { } else {
err_msg = `WARNING: Invalid Backup DB Instance Id: ${backup_db}.`; err_msg = `WARNING: Invalid Backup DB Instance Id: ${backup_db}.`;
showMessage(err_msg); showMessage(err_msg);
@ -19365,28 +19338,12 @@
try { try {
let obj = su_db_data[tableStoreName]; let obj = su_db_data[tableStoreName];
if (["crypto_balances", "cash_balances", "userPublicData", "system_btc_reserves_private_keys"] if (obj.length > 0) {
.includes(tableStoreName)) { for (var prop in obj) {
if (obj.length > 0) { if (!obj.hasOwnProperty(prop)) continue;
for (var prop in obj) { _updateinDB(resdbdata, obj[prop], obj[prop].id, true, false).then(()=>{
if (!obj.hasOwnProperty(prop)) continue; showMessage(`INFO: "${resdbdata}" datastore syncing is complete.`);
_updateinDB(tableStoreName, obj[prop], obj[prop].id, true, false) });
.then(()=>{
showMessage(`INFO: "${tableStoreName}" datastore syncing is complete.`);
});
}
}
} else {
let resdbdata = await _removeAllinDB(tableStoreName);
if (resdbdata !== false) {
if (obj.length > 0) {
for (var prop in obj) {
if (!obj.hasOwnProperty(prop)) continue;
_updateinDB(resdbdata, obj[prop], obj[prop].id, true, false).then(()=>{
showMessage(`INFO: "${resdbdata}" datastore syncing is complete.`);
});
}
}
} }
} }
@ -20529,10 +20486,31 @@
async backup_removeinDB(tablename, id) { async backup_removeinDB(tablename, id) {
try { try {
this.request = this.db.transaction([tablename], "readwrite") this.request = this.db.transaction([tablename], "readwrite")
let store = this.request.objectStore(tablename) let store = this.request.objectStore(tablename)
await store.delete(id); let objectStoreRequest = store.get(id);
await this.request.complete; let that = this;
return id; objectStoreRequest.onsuccess =
function(event) {
return new Promise(async (resolve, reject)=>{
var myRecord = objectStoreRequest.result;
if(typeof myRecord =="object") {
myRecord.vectorClock += 1;
// https://stackoverflow.com/a/39333479/5348972
const modifiedRecord = (({ id, timestamp, vectorClock }) =>
({ id, timestamp, vectorClock }))(myRecord);
modifiedRecord.is_deletable = true;
await store.put(modifiedRecord);
await that.request.complete;
return id;
}
});
reject(false);
}
} catch (error) { } catch (error) {
return new Error(error); return new Error(error);
} }
@ -20542,13 +20520,23 @@
return new Promise((resolve, reject) => { return new Promise((resolve, reject) => {
this.request = this.db.transaction([tablename], "readwrite") this.request = this.db.transaction([tablename], "readwrite")
.objectStore(tablename); .objectStore(tablename);
let parent_request = this.request;
var index = this.request.index(indexName); var index = this.request.index(indexName);
let parent_request = this.request;
this.request = index.openCursor(IDBKeyRange.only(indexValue)); this.request = index.openCursor(IDBKeyRange.only(indexValue));
this.request.onsuccess = function () { this.request.onsuccess = async function (event) {
var cursor = parent_request.result; var cursor = event.target.result;
if (cursor) { if (cursor) {
cursor.delete(); let myRecord = cursor.value;
myRecord.vectorClock += 1;
// https://stackoverflow.com/a/39333479/5348972
const modifiedRecord = (({ id, timestamp, vectorClock }) =>
({ id, timestamp, vectorClock }))(myRecord);
modifiedRecord.is_deletable = true;
await parent_request.put(modifiedRecord);
await parent_request.complete;
cursor.continue(); cursor.continue();
} else { } else {
resolve(true); resolve(true);
@ -20559,19 +20547,6 @@
} }
}); });
}, },
async backup_removeAllinDB(tablename) {
try {
this.request = this.db.transaction([tablename], "readwrite")
var objectStore = this.request.objectStore(tablename);
var objectStoreRequest = await objectStore.clear();
await this.request.complete;
console.info("All the data entry has been removed from your database " + tablename);
return tablename;
} catch (error) {
return new Error(error);
}
}
} }
</script> </script>