backward compatibility fix

Author: Iztok

packages/fasset-bots-core/src/fasset/Agent.ts

@@ -46,10 +46,15 @@ export class OwnerAddressPair {
     async acceptWorkAddressAssignment(agentOwnerRegistry: AgentOwnerRegistryInstance) {
         const currentWorkAddress = await agentOwnerRegistry.getWorkAddress(this.managementAddress);
         if (currentWorkAddress === this.workAddress) return true;
-        const pendingWorkAddress = await agentOwnerRegistry.getPendingWorkAddress(this.managementAddress);
-        if (pendingWorkAddress !== this.workAddress) return false;
-        await agentOwnerRegistry.acceptWorkAddressAssignment(this.managementAddress, { from: this.workAddress });
-        return true;
+        try {
+            const pendingWorkAddress = await agentOwnerRegistry.getPendingWorkAddress(this.managementAddress);
+            if (pendingWorkAddress !== this.workAddress) return false;
+            await agentOwnerRegistry.acceptWorkAddressAssignment(this.managementAddress, { from: this.workAddress });
+            return true;
+        } catch (error) {
+            logger.error("Invalid call to getPendingWorkAddress/acceptWorkAddressAssignment, maybe contracts not updated?", error);
+            return false;
+        }
     }
 }