BlockWeight

Storage Plain v101 → v411

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 { createClient, Binary } from "polkadot-api";
import { getWsProvider } from "polkadot-api/ws";
import { sub } from "@polkadot-api/descriptors"; // generated by: npx papi add sub -w wss://entrypoint-finney.opentensor.ai:443

const client = createClient(getWsProvider("wss://entrypoint-finney.opentensor.ai:443"));
const api = client.getTypedApi(sub);

// Query BlockWeight storage (no keys - plain value)
const result = await api.query.System.BlockWeight.getValue();
console.log("BlockWeight:", result);

Version History

Version:

v101 block 1 Added

v149 block 3,014,339 Internal re-bind

v151 block 3,157,274 Internal re-bind Current

Runtime Info

Pallet: System
Storage Kind: Plain
First Version: v101
Current Version: v411

Back to System Storage