From 139071176779c615da8a17ad7da336d83de481b2 Mon Sep 17 00:00:00 2001
From: Peter Kieltyka <peter.kieltyka@gmail.com>
Date: Wed, 11 Dec 2024 21:00:06 -0500
Subject: [PATCH] waas-ethers: sign typed data

---
 packages/waas-ethers/src/signer.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/packages/waas-ethers/src/signer.ts b/packages/waas-ethers/src/signer.ts
index f51a9401e..cab5e280e 100644
--- a/packages/waas-ethers/src/signer.ts
+++ b/packages/waas-ethers/src/signer.ts
@@ -49,12 +49,16 @@ export class SequenceSigner extends ethers.AbstractSigner {
     return this.sequence.signMessage(args).then(response => response.data.signature)
   }
 
-  signTypedData(
+  async signTypedData(
     domain: ethers.TypedDataDomain,
     types: Record<string, ethers.TypedDataField[]>,
     value: Record<string, any>
   ): Promise<string> {
-    throw new Error('SequenceSigner does not support signTypedData')
+    const typedDataDigest = ethers.TypedDataEncoder.encode(domain, types, value)
+    return this.sequence.signMessage({
+      message: typedDataDigest,
+      network: await this.getSimpleNetwork()
+    }).then(response => response.data.signature)
   }
 
   async signTransaction(_transaction: ethers.TransactionRequest): Promise<string> {