sbv2-solana/website/docs/developers/queue.mdx

---
sidebar_position: 10
title: Oracle Queue
---

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## Create an Oracle Queue

- `oracleQueueInit`

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  <TabItem value="Typescript" label="Typescript" default>

```ts
import * as anchor from "@project-serum/anchor";
import * as spl from "@solana/spl-token";
import { OracleQueueAccount } from "@switchboard-xyz/switchboard-v2";

const queueAccount = await OracleQueueAccount.create(program, {
  name: Buffer.from("Queue-1"),
  mint: spl.NATIVE_MINT,
  slashingEnabled: false,
  reward: new anchor.BN(0), // no token account needed
  minStake: new anchor.BN(0),
  authority: authority.publicKey,
});
```

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  <TabItem value="CLI" label="CLI">

```bash
sbv2 queue create \
    --name "My Queue" \
    --keypair "path/to/payer/keypair.json" \
    --authority "path/to/authority/keypair.json"  \
    --minStake 0 \
    --reward 0 \
    --crankSize 0 \
    --oracleTimeout 300 \
    --numOracles 0 \
    --queueSize 25 \
    --outputFile "My_Switchboard_Queue.json" \
    --verbose
```

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## Assign Queue Permissions

- `permissionSet`

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```ts
import * as anchor from "@project-serum/anchor";
import { Keypair } from "@solana/web3.js";
import {
  loadSwitchboardProgram,
  OracleAccount,
  OracleQueueAccount
  PermissionAccount,
} from "@switchboard-xyz/switchboard-v2";

let payer: Keypair;
let authority: Keypair;
const program = await loadSwitchboardProgram("devnet", undefined, payer);
const queueAccount = new OracleQueueAccount({
  program,
  publicKey: queuePubkey,
});
const oracleAccount = new OracleAccount({
  program,
  publicKey: oraclePubkey,
});

// Create permission
const permissionAccount = await PermissionAccount.create(program, {
  authority: authority.publicKey,
  granter: queueAccount.publicKey,
  grantee: oracleAccount.publicKey,
});

// Set permission
await oraclePermission.set({
  authority,
  permission: SwitchboardPermission.PERMIT_ORACLE_HEARTBEAT,
  enable: true,
});
```

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  <TabItem value="CLI" label="CLI">

```bash
sbv2 permission set PERMISSIONKEY \
    --keypair "payer-keypair.json" \
    --authority "queue-authority.json"
```

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## Create a Crank

- `crankInit`

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```ts
import * as anchor from "@project-serum/anchor";
import { Keypair } from "@solana/web3.js";
import {
  CrankAccount,
  loadSwitchboardProgram,
  OracleQueueAccount,
} from "@switchboard-xyz/switchboard-v2";

let payer: Keypair; // also the authority
const program = await loadSwitchboardProgram("devnet", undefined, payer);
const queueAccount = new OracleQueueAccount({
  program,
  publicKey: queuePubkey,
});

const crankAccount = await CrankAccount.create(program, {
  name: Buffer.from("My Crank"),
  maxRows: 1000,
  queueAccount,
});
```

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  <TabItem value="CLI" label="CLI">

```bash
sbv2 crank create QUEUEKEY \
  --name "My Crank" \
  --keypair "payer-keypair.json" \
  --authority "queue-authority.json" \
  --maxRows 1000 \
  --verbose
```

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