Prevents indefinite campaigns and locks.
Current Value
432000Relevant for: developersstakers
The Big Picture
Campaigns cannot run longer than this.
From Chain Metadata
The maximum block duration for a crowdloan.
Use Cases
- Calculate valid end blocks
- Plan campaign timeline
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 MaximumBlockDuration constant
const value = api.consts[stringCamelCase("Crowdloan")][stringCamelCase("MaximumBlockDuration")];
console.log("MaximumBlockDuration:", value.toHuman());Type Information
- Type
- u32
- Byte Size
- 4 bytes
- Encoding
- fixed
- Raw Hex
- 0x80970600
Runtime Info
- Pallet
- Crowdloan
- First Version
- v273
- Latest Version
- v273
- Current Runtime
- v393