fix(stride) - Define event return structs, rename event types and refactor IBCTransfer event

CHANGELOG.md

@@ -73,6 +73,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
 - (osmosis-outpost) [#1915](https://github.com/evmos/evmos/pull/1915) Add Osmosis Outpost interface and ABI.
 - (ics20) [#1916](https://github.com/evmos/evmos/pull/1916) Make ICS20 Transfer event a common function.
 - (ics20) [#1917](https://github.com/evmos/evmos/pull/1917) Make timeout height a const in the ics20 precompile.
+- (stride-outpost) [#1926](https://github.com/evmos/evmos/pull/1926) Refactor event names and definitions.
 
 ### Bug Fixes
 

precompiles/outposts/stride/IStrideOutpost.sol

@@ -26,7 +26,7 @@ interface IStrideOutpost {
     /// @param memo The IBC transaction memo.
     event IBCTransfer(
         address indexed sender,
-        address indexed receiver,
+        string indexed receiver,
         string sourcePort,
         string sourceChannel,
         string denom,
@@ -84,4 +84,4 @@ interface IStrideOutpost {
         uint256 amount,
         string calldata receiver
     ) external returns (uint64 nextSequence, bool success);
-}
+}

precompiles/outposts/stride/abi.json

@@ -10,9 +10,9 @@
       },
       {
         "indexed": true,
-        "internalType": "address",
+        "internalType": "string",
         "name": "receiver",
-        "type": "address"
+        "type": "string"
       },
       {
         "indexed": false,

precompiles/outposts/stride/events.go

@@ -15,10 +15,10 @@ import (
 )
 
 const (
-	// EventLiquidStake is the event type emitted on a liquidStake transaction to Autopilot on Stride.
-	EventLiquidStake = "LiquidStake"
-	// EventRedeem is the event type emitted on a redeem transaction to Autopilot on Stride.
-	EventRedeem = "Redeem"
+	// EventTypeLiquidStake is the event type emitted on a liquidStake transaction to Autopilot on Stride.
+	EventTypeLiquidStake = "LiquidStake"
+	// EventTypeRedeem is the event type emitted on a redeem transaction to Autopilot on Stride.
+	EventTypeRedeem = "Redeem"
 )
 
 // EmitLiquidStakeEvent creates a new LiquidStake event on the EVM stateDB.
@@ -29,7 +29,7 @@ func (p Precompile) EmitLiquidStakeEvent(
 	amount *big.Int,
 ) error {
 	// Prepare the event topics
-	event := p.ABI.Events[EventLiquidStake]
+	event := p.ABI.Events[EventTypeLiquidStake]
 	topics := make([]common.Hash, 3)
 
 	// The first topic is always the signature of the event.
@@ -74,7 +74,7 @@ func (p Precompile) EmitRedeemEvent(
 	amount *big.Int,
 ) error {
 	// Prepare the event topics
-	event := p.ABI.Events[EventRedeem]
+	event := p.ABI.Events[EventTypeRedeem]
 	topics := make([]common.Hash, 3)
 
 	// The first topic is always the signature of the event.

precompiles/outposts/stride/types.go

@@ -20,6 +20,21 @@ const (
 	StrideBech32Prefix = "stride"
 )
 
+// EventLiquidStake is the event type emitted on a liquidStake transaction
+type EventLiquidStake struct {
+	Sender common.Address
+	Token  common.Address
+	Amount *big.Int
+}
+
+// EventRedeem is the event type emitted on a redeem transaction
+type EventRedeem struct {
+	Sender   common.Address
+	Token    common.Address
+	Receiver string
+	Amount   *big.Int
+}
+
 // StakeIBCPacketMetadata metadata info specific to StakeIBC (e.g. 1-click liquid staking).
 // Used to create the memo field for the ICS20 transfer corresponding to Autopilot LiquidStake.
 type StakeIBCPacketMetadata struct {