ExtrinsicData

Storage Map v101 → current

Raw extrinsic data for current block by index.

Explore chain
Queried by: developers

The Big Picture

Available during block execution. Contains raw SCALE-encoded extrinsics.

Use Cases

  • Debug extrinsic encoding

From Chain Metadata

Extrinsics data for the current block (maps an extrinsic's index to its data).

Purpose & Usage

Purpose

Access extrinsic bytes during block execution.

Common Query Patterns

  • Query by extrinsic index

Query Keys

#NameTypeDescription
1
key1
u32 key1 (u32)

Stored Value

Vec<u8> Vec

value (Vec<u8>)

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 ExtrinsicData storage
const key1 = 0;

const result = await api.query
  [stringCamelCase("System")]
  [stringCamelCase("ExtrinsicData")](
  key1
);

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

Runtime Info

Pallet
System
Storage Kind
Map
First Version
v101
Current Version
v393
Back to System Storage