Cosmos: Add support for the message handler

chain/cosmos.ts

@@ -19,13 +19,35 @@ export namespace cosmos {
   }
 
   export class EventData {
-    constructor(public event: Event, public block: HeaderOnlyBlock) {}
+    constructor(
+      public event: Event,
+      public block: HeaderOnlyBlock,
+      public tx: TransactionContext,
+    ) {}
   }
 
   export class TransactionData {
     constructor(public tx: TxResult, public block: HeaderOnlyBlock) {}
   }
 
+  export class MessageData {
+    constructor(
+      public message: Any,
+      public block: HeaderOnlyBlock,
+      public tx: TransactionContext,
+    ) {}
+  }
+
+  export class TransactionContext {
+    constructor(
+      public hash: Bytes,
+      public index: u32,
+      public code: u32,
+      public gasWanted: i64,
+      public gasUsed: i64,
+    ) {}
+  }
+
   export class Header {
     constructor(
       public version: Consensus,

global/global.ts

@@ -207,11 +207,13 @@ export enum TypeId {
   CosmosValidatorSetUpdates = 1559,
   CosmosValidatorUpdate = 1560,
   CosmosVersionParams = 1561,
+  CosmosMessageData = 1562,
+  CosmosTransactionContext = 1563,
   /*
   Continue to add more Cosmos type IDs here. e.g.:
   ```
-  NextCosmosType = 1562,
-  AnotherCosmosType = 1563,
+  NextCosmosType = 1564,
+  AnotherCosmosType = 1565,
   ...
   LastCosmosType = 2499,
   ```
@@ -547,6 +549,10 @@ export function id_of_type(typeId: TypeId): usize {
       return idof<cosmos.ValidatorUpdate>()
     case TypeId.CosmosVersionParams:
       return idof<cosmos.VersionParams>()
+    case TypeId.CosmosMessageData:
+      return idof<cosmos.MessageData>()
+    case TypeId.CosmosTransactionContext:
+      return idof<cosmos.TransactionContext>()
     /**
      * Arweave type ids
      */