Sign message (#185)

Co-authored-by: Zuhwa <zuhwa@virtuals.io>

Author: Zuhwa

src/contractClients/acpContractClient.ts

@@ -386,6 +386,10 @@ class AcpContractClient extends BaseAcpContractClient {
     return this.sessionKeyClient.signTypedData({ typedData });
   }
 
+  async signMessage(message: string): Promise<Hex> {
+    return await this.sessionKeyClient.signMessage({ message });
+  }
+
   async sendTransaction(request: TransactionRequest): Promise<Hex> {
     return await this.sessionKeyClient.sendTransaction(request, {
       paymasterAndData: "0x",

src/contractClients/acpContractClientV2.ts

@@ -383,6 +383,10 @@ class AcpContractClientV2 extends BaseAcpContractClient {
     return await this.sessionKeyClient.signTypedData({ typedData });
   }
 
+  async signMessage(message: string): Promise<Hex> {
+    return await this.sessionKeyClient.signMessage({ message });
+  }
+
   async sendTransaction(request: TransactionRequest): Promise<Hex> {
     return await this.sessionKeyClient.sendTransaction(request, {
       paymasterAndData: "0x",

src/contractClients/baseAcpContractClient.ts

@@ -605,6 +605,8 @@ abstract class BaseAcpContractClient {
 
   abstract signTypedData(typedData: SignTypedDataParameters): Promise<Hex>;
 
+  abstract signMessage(message: string): Promise<Hex>;
+
   abstract sendTransaction(request: TransactionRequest): Promise<Hex>;
 }