feat: add latest timestamp

clober-dex · Mar 21, 2024 · a4a76c9 · a4a76c9
1 parent 4110296
commit a4a76c9
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diff --git a/schema.graphql b/schema.graphql
@@ -18,6 +18,7 @@ type Book @entity {
     openOrders: [OpenOrder!]! @derivedFrom(field: "book")
     latestTick: BigInt!
     latestPrice: BigInt!
+    latestTimestamp: BigInt!
 }
 
 type Depth @entity {

diff --git a/src/book-manager.ts b/src/book-manager.ts
@@ -40,6 +40,7 @@ export function handleOpen(event: Open): void {
   book.hooks = event.params.hooks.toHexString()
   book.latestTick = BigInt.zero()
   book.latestPrice = BigInt.zero()
+  book.latestTimestamp = BigInt.zero()
   book.save()
 }
 
@@ -124,6 +125,7 @@ export function handleTake(event: Take): void {
   const price = controller.toPrice(tick.toI32())
   book.latestTick = tick
   book.latestPrice = price
+  book.latestTimestamp = event.block.timestamp
   book.save()
 
   // update depth & open order