BlockWeight

Storage Plain v101 → current

Current weight consumption for the block being built.

Explore chain

Queried by: validatorsdevelopers

The Big Picture

Substrate blocks have weight limits. This tracks consumption during building.

Use Cases

Monitor block capacity
Transaction ordering optimization

From Chain Metadata

The current weight for the block.

Purpose & Usage

Purpose

Track computational resources used in current block.

Common Query Patterns

Query during block building

Stored Value

PerDispatchClass

value (PerDispatchClass)

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 BlockWeight storage (no keys - plain value)
const result = await api.query
  [stringCamelCase("System")]
  [stringCamelCase("BlockWeight")]();
console.log("BlockWeight:", result.toHuman());

Runtime Info

Pallet: System
Storage Kind: Plain
First Version: v101
Current Version: v393

Back to System Storage