feat: tick init/deinit for CL

osmosis-labs · Feb 27, 2024 · 082f101 · 082f101
1 parent 0fa56f3
commit 082f101
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Showing 3 changed files with 28 additions and 1 deletion.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -60,6 +60,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 * [#7590](https://github.com/osmosis-labs/osmosis/pull/7590) fix cwpool migration prop disallowing only one of code id or bytecode.
 * [#7582](https://github.com/osmosis-labs/osmosis/pull/7582) IAVL v1
+* [#7622](https://github.com/osmosis-labs/osmosis/pull/7622) Create/remove tick events.
 
 ## v23.0.0
 

diff --git a/x/concentrated-liquidity/tick.go b/x/concentrated-liquidity/tick.go
@@ -153,7 +153,21 @@ func (k Keeper) makeInitialTickInfo(ctx sdk.Context, poolId uint64, tickIndex in
 		initialUptimeTrackers = append(initialUptimeTrackers, model.UptimeTracker{UptimeGrowthOutside: uptimeTrackerValue})
 	}
 
-	return model.TickInfo{LiquidityGross: osmomath.ZeroDec(), LiquidityNet: osmomath.ZeroDec(), SpreadRewardGrowthOppositeDirectionOfLastTraversal: initialSpreadRewardGrowthOppositeDirectionOfLastTraversal, UptimeTrackers: model.UptimeTrackers{List: initialUptimeTrackers}}, nil
+	uptimeTrackers := model.UptimeTrackers{List: initialUptimeTrackers}
+
+	// Emit init tick event
+	ctx.EventManager().EmitEvents(sdk.Events{
+		sdk.NewEvent(
+			types.TypeEvtInitTick,
+			sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
+			sdk.NewAttribute(types.AttributeKeyPoolId, strconv.FormatUint(poolId, 10)),
+			sdk.NewAttribute(types.AttributeKeyTickIndex, strconv.FormatInt(tickIndex, 10)),
+			sdk.NewAttribute(types.AttributeKeySpreadRewardGrowthOppositeDirectionOfLastTraversal, initialSpreadRewardGrowthOppositeDirectionOfLastTraversal.String()),
+			sdk.NewAttribute(types.AttributeKeyUptimeGrowthOppositeDirectionOfLastTraversal, uptimeTrackers.String()),
+		),
+	})
+
+	return model.TickInfo{LiquidityGross: osmomath.ZeroDec(), LiquidityNet: osmomath.ZeroDec(), SpreadRewardGrowthOppositeDirectionOfLastTraversal: initialSpreadRewardGrowthOppositeDirectionOfLastTraversal, UptimeTrackers: uptimeTrackers}, nil
 }
 
 func (k Keeper) SetTickInfo(ctx sdk.Context, poolId uint64, tickIndex int64, tickInfo *model.TickInfo) {
@@ -167,6 +181,16 @@ func (k Keeper) RemoveTickInfo(ctx sdk.Context, poolId uint64, tickIndex int64)
 	store := ctx.KVStore(k.storeKey)
 	key := types.KeyTick(poolId, tickIndex)
 	store.Delete(key)
+
+	// Emit remove tick event
+	ctx.EventManager().EmitEvents(sdk.Events{
+		sdk.NewEvent(
+			types.TypeEvtRemoveTick,
+			sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
+			sdk.NewAttribute(types.AttributeKeyPoolId, strconv.FormatUint(poolId, 10)),
+			sdk.NewAttribute(types.AttributeKeyTickIndex, strconv.FormatInt(tickIndex, 10)),
+		),
+	})
 }
 
 func (k Keeper) GetAllInitializedTicksForPool(ctx sdk.Context, poolId uint64) ([]genesis.FullTick, error) {

diff --git a/x/concentrated-liquidity/types/events.go b/x/concentrated-liquidity/types/events.go
@@ -13,6 +13,8 @@ const (
 	TypeEvtMoveRewards               = "move_rewards"
 	TypeEvtCrossTick                 = "cross_tick"
 	TypeEvtTransferPositions         = "transfer_positions"
+	TypeEvtInitTick                  = "init_tick"
+	TypeEvtRemoveTick                = "remove_tick"
 
 	AttributeValueCategory                                         = ModuleName
 	AttributeKeyPositionId                                         = "position_id"