improvement: handle dydx book change mapping more gracefully when no …

…offsets are available
tardis-dev · Jun 10, 2024 · 97558aa · 97558aa
1 parent 04b602f
commit 97558aa
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/mappers/dydx.ts b/src/mappers/dydx.ts
@@ -127,10 +127,16 @@ export class DydxBookChangeMapper implements Mapper<'dydx', BookChange> {
         localTimestamp
       }
 
+      if (!this._bidsOffsets[message.id]) {
+        this._bidsOffsets[message.id] = {}
+      }
       for (const bid of message.contents.bids) {
         this._bidsOffsets[message.id][bid[0]] = updateOffset
       }
 
+      if (!this._asksOffsets[message.id]) {
+        this._asksOffsets[message.id] = {}
+      }
       for (const ask of message.contents.asks) {
         this._asksOffsets[message.id][ask[0]] = updateOffset
       }