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API ReferenceAvail node API referenceNominate validator(s) for your nomination pool

Nominate validator(s) for your nomination pool

On-chain name of method: nominationPools_nominate

Parameters

parametertypeoptionaldescription
poolIdnumberfalsepool id
validatorsstring[]falselist of validators to nominate
waitForWaitForfalsewait for block inclusion or finalization
accountKeyringPairfalseaccount that will send and sign the transaction
optionsSignerOptionstrueused to overwrite existing signer options

Returns

On failure, a reason for the failure is returned. On success, the function will return a object of type NominateTxSuccess. This object contains the details of the transaction and the nomination pool.

Minimal example

  1. You will need to set up the dev environment required to run this example. For instructions, check out our docs here.

  2. If you’re sending an extrinsic (i.e conducting a transaction) you will need to replace the demo seed phrase with your own seed phrase. The rest of the code should work as is.

  1. Inside your-file-name.ts, add the following code:
avail-js
import * as dotenv from 'dotenv'; import { Account, SDK, Pallets } from 'avail-js-sdk'; dotenv.config(); export async function nominationPoolsNominate() { // Initialize SDK with Turing endpoint const sdk = await SDK.New('wss://turing-rpc.avail.so/ws'); // Create account from seed in .env file const seed = process.env.SEED; if (!seed) { throw new Error("SEED environment variable is not set"); } // Create account from seed const account = Account.new(seed); console.log("Account Address: ", account.address); // Pool ID to nominate from const poolId = 1; console.log(`Pool ID: ${poolId}`); // Validator targets to nominate const validators = [ "5GNJqTPyNqANBkUVMN1LPPrxXnFouWXoe2wNSmmEoLctxiZY", // Alice Stash "5FHneW46xGXgs5mUiveU4sbTyGBzmstUspZC92UhjJM694ty", // Bob ]; // Create nominate transaction const tx = sdk.tx.nominationPools.nominate(poolId, validators); console.log("Submitting pool nomination transaction..."); // Execute and wait for inclusion const res = await tx.executeWaitForInclusion(account, {}); // Check if transaction was successful const isOk = res.isSuccessful(); if (isOk === undefined) { throw new Error("Cannot check if transaction was successful"); } else if (!isOk) { throw new Error("Transaction failed"); } console.log("\nPool nomination completed successfully"); // Log all transaction details console.log("\nTransaction Details:"); console.log(`Transaction Hash: ${res.txHash}`); console.log(`Block Hash: ${res.blockHash}`); console.log(`Block Number: ${res.blockNumber}`); process.exit(0); } // Execute the function nominationPoolsNominate();
  1. Run the code using:
terminal
ts-node your-file-name.ts

Sample Response:

{ "isErr": false, "events": [...], "txHash": "0x98b993baf90183d85dece9357d3bc32311f4201b015b63845a13dbc22bf22370", "txIndex": 1, "blockHash": "0x84ef5a0ada4af71358ee701a2500bce7f6688efb554c32ba1a30c459f64d5370", "blockNumber": 48 }
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