From e68e19d3f59f0e4860fb50817636f57526570049 Mon Sep 17 00:00:00 2001
From: "T. Todua" <7117978+ttodua@users.noreply.github.com>
Date: Thu, 9 May 2024 14:23:10 +0400
Subject: [PATCH] feat(base) - safeIntegerOmitZero (#22244)

* feat(base) - safeIntegerOmitZero

* fix(latoken) - zero ts in tickers

* minor bitget

* parseint

* Update Exchange.ts

* fix linting

---------

Co-authored-by: carlosmiei <43336371+carlosmiei@users.noreply.github.com>
---
 ts/src/base/Exchange.ts | 8 ++++++++
 ts/src/bitget.ts        | 6 +-----
 ts/src/latoken.ts       | 2 +-
 3 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/ts/src/base/Exchange.ts b/ts/src/base/Exchange.ts
index 7936eb80e7ef..662b459e7f00 100644
--- a/ts/src/base/Exchange.ts
+++ b/ts/src/base/Exchange.ts
@@ -2523,6 +2523,14 @@ export default class Exchange {
         return res === 0;
     }
 
+    safeIntegerOmitZero (obj: object, key: IndexType, defaultValue: Int = undefined): Int {
+        const timestamp = this.safeInteger (obj, key, defaultValue);
+        if (timestamp === undefined || timestamp === 0) {
+            return undefined;
+        }
+        return timestamp;
+    }
+
     afterConstruct () {
         this.createNetworksByIdObject ();
     }
diff --git a/ts/src/bitget.ts b/ts/src/bitget.ts
index f4a2bc2106dd..65f2741b0378 100644
--- a/ts/src/bitget.ts
+++ b/ts/src/bitget.ts
@@ -2632,11 +2632,7 @@ export default class bitget extends Exchange {
         //
         const marketId = this.safeString (ticker, 'symbol');
         const close = this.safeString (ticker, 'lastPr');
-        const timestampString = this.omitZero (this.safeString (ticker, 'ts')); // exchange sometimes provided 0
-        let timestamp = undefined;
-        if (timestampString !== undefined) {
-            timestamp = this.parseToInt (timestampString);
-        }
+        const timestamp = this.safeIntegerOmitZero (ticker, 'ts'); // exchange bitget provided 0
         const change = this.safeString (ticker, 'change24h');
         const open24 = this.safeString (ticker, 'open24');
         const open = this.safeString (ticker, 'open');
diff --git a/ts/src/latoken.ts b/ts/src/latoken.ts
index 616778ca19dd..4581b7346d04 100644
--- a/ts/src/latoken.ts
+++ b/ts/src/latoken.ts
@@ -624,7 +624,7 @@ export default class latoken extends Exchange {
         //
         const marketId = this.safeString (ticker, 'symbol');
         const last = this.safeString (ticker, 'lastPrice');
-        const timestamp = this.safeInteger (ticker, 'updateTimestamp');
+        const timestamp = this.safeIntegerOmitZero (ticker, 'updateTimestamp'); // sometimes latoken provided '0' ts from /ticker endpoint
         return this.safeTicker ({
             'symbol': this.safeSymbol (marketId, market),
             'timestamp': timestamp,