From 0e18fdbccc7545ced852a5a393f5872f479faba2 Mon Sep 17 00:00:00 2001
From: Amaury Martiny <amaury.martiny@protonmail.com>
Date: Sat, 16 May 2020 08:37:29 +0200
Subject: [PATCH] Add transactionVersion to ExtrinsicPayload (#2287)

---
 packages/types/src/extrinsic/ExtrinsicPayload.ts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/packages/types/src/extrinsic/ExtrinsicPayload.ts b/packages/types/src/extrinsic/ExtrinsicPayload.ts
index 1baeb5f875..6eca860660 100644
--- a/packages/types/src/extrinsic/ExtrinsicPayload.ts
+++ b/packages/types/src/extrinsic/ExtrinsicPayload.ts
@@ -102,6 +102,14 @@ export default class ExtrinsicPayload extends Base<ExtrinsicPayloadVx> {
     return (this._raw as ExtrinsicPayloadV2).tip || this.registry.createType('Compact<Balance>');
   }
 
+  /**
+   * @description The transaction version as a [[u32]] for this payload
+   */
+  public get transactionVersion (): u32 {
+    // NOTE only v4+
+    return (this._raw as ExtrinsicPayloadV4).transactionVersion || this.registry.createType('u32');
+  }
+
   /**
    * @description Compares the value of the input to see if there is a match
    */