adding ExecutionMessageMetadata (#15)

* adding ExecutionMessageMetadata

* updated

* making sure we export

Author: julien51

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@reservoir0x/relay-protocol-sdk",
-  "version": "0.0.45",
+  "version": "0.0.48",
   "description": "Relay protocol SDK",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",

src/index.ts

@@ -40,6 +40,7 @@ import {
 import {
   ActionType,
   ExecutionMessage,
+  ExecutionMessageMetadata,
   getExecutionMessageId,
   encodeAction,
   decodeAction,
@@ -105,6 +106,7 @@ export {
 
   // Execution
   ExecutionMessage,
+  ExecutionMessageMetadata,
   ActionType,
   getExecutionMessageId,
   encodeAction,

src/messages/v2.2/execution.ts

@@ -14,9 +14,19 @@ export enum ActionType {
   TRANSFER,
 }
 
+export type ExecutionMessageMetadata = {
+  hubTokenId: bigint;
+  origin: {
+    address: string;
+    chainId: bigint;
+    family: VmType;
+  };
+};
+
 export type ExecutionMessage = {
   idempotencyKey: string;
   actions: string[];
+  metadata?: ExecutionMessageMetadata[];
 };
 
 export const getExecutionMessageId = (message: ExecutionMessage) => {
@@ -124,12 +134,12 @@ export const encodeAction = (action: DecodedAction): string => {
 };
 
 export const decodeAction = (action: string): DecodedAction => {
-  // decode just the uint8 type 
-  const [ type ] = decodeAbiParameters(
+  // decode just the uint8 type
+  const [type] = decodeAbiParameters(
     parseAbiParameters(["uint8 type"]),
     action as Hex
   );
-  
+
   switch (type) {
     case ActionType.MINT: {
       const result = decodeAbiParameters(