LastCallResult

Storage Map v361 → current

The result of the last proxied call made by an account.

Explore chain

Queried by: developerswallets

The Big Picture

After a proxy call, check this storage to see whether it succeeded or failed, without needing to parse events.

Use Cases

Debug failed proxy calls
Verify proxy call success

From Chain Metadata

The result of the last call made by the proxy (key).

Purpose & Usage

Purpose

Cache the result of the most recent proxy execution for debugging.

Common Query Patterns

Query by account to see last proxy call result

Query Keys

#	Name	Type	Description
1	key1	AccountId	key1 (AccountId) (hex -> SS58)

Stored Value

Result

Debug storage for last proxy call result (Option<DispatchResult>)

Code Examples

import { ApiPromise, WsProvider } from "@polkadot/api";
import { stringCamelCase } from "@polkadot/util";

const provider = new WsProvider("wss://entrypoint-finney.opentensor.ai:443");
const api = await ApiPromise.create({ provider });

// Query LastCallResult storage
const key1 = "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY";

const result = await api.query
  [stringCamelCase("Proxy")]
  [stringCamelCase("LastCallResult")](
  key1
);

console.log("LastCallResult:", result.toHuman());

Runtime Info

Pallet: Proxy
Storage Kind: Map
First Version: v361
Current Version: v393

Back to Proxy Storage