Contributions

Storage Map v273 → v411 Changed in v411

Map of (crowdloan_id, contributor) to contribution amount.

Explore chain

Queried by: stakersdevelopersanalytics

The Big Picture

Detailed contribution records for all crowdloans.

Use Cases

Check your contribution
List all contributors
Calculate total raised

From Chain Metadata

A map of crowdloan ids to their contributors and their contributions.

Purpose & Usage

Purpose

Tracks individual contributions to each crowdloan.

Common Query Patterns

Query by crowdloan_id and contributor
Iterate all contributors for a crowdloan

Query Keys

#	Name	Type	Description
1	crowdloanId raw: key1	u32	key1 (u32)
2	contributor account raw: key2	AccountId	key2 (AccountId) (hex -> SS58)

Stored Value

u64

Value in RAO (÷10⁹ for TAO)

RAO -> TAO (/ 10^9)

Relationships

Modified By

contribute refund withdraw

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 Contributions storage
const key1 = 0;
const key2 = "5GrwvaEF5zXb26Fz9rcQpDWS57CtERHpNehXCPcNoHGKutQY";

const result = await api.query.Crowdloan.Contributions.getValue(key1, key2);
console.log("Contributions:", result);

On-Chain Activity

Write Frequency

●●○○○○ Minimal <10K est. writes

<10K estimated writes

#63 most written storage item

Write Source User Extrinsics

Modified via user-submitted extrinsics

As of block 7,429,232

Version History

Version:

v273 block 5,659,032 Added

v278–v289 · runtime versions skipped on chain (never deployed)

v290 block 5,947,548 Internal re-bind

v307–v314 · runtime versions skipped on chain (never deployed)

v315 block 6,414,634 Internal re-bind

v316–v319 · runtime versions skipped on chain (never deployed)

v320 block 6,523,566 Internal re-bind

v327–v333 · runtime versions skipped on chain (never deployed)

v334 block 6,811,690 Internal re-bind

v353–v360 · runtime versions skipped on chain (never deployed)

v361 block 7,063,679 Internal re-bind

v363–v364 · runtime versions skipped on chain (never deployed)

v365 block 7,135,419 Internal re-bind

v378–v384 · runtime versions skipped on chain (never deployed)

v385 block 7,782,670 Internal re-bind

v386–v390 · runtime versions skipped on chain (never deployed)

v391 block 7,782,857 Internal re-bind

v394–v400 · runtime versions skipped on chain (never deployed)

v401 block 8,036,576 Internal re-bind

v403–v410 · runtime versions skipped on chain (never deployed)

v411 block 8,283,784 Internal re-bind Current

Runtime Info

Pallet: Crowdloan
Storage Kind: Map
First Version: v273
Current Version: v411

Back to Crowdloan Storage