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# Unpause Token \[token.unpause]

Unpauses a TIP-20 token, allowing transfers to resume. Requires the `UNPAUSE` role. [Learn more about token roles](https://docs.tempo.xyz/protocol/tip403/spec)

## Usage

:::code-group
```ts twoslash [example.ts]
import { client } from './viem.config'

const { isPaused, receipt } = await client.token.unpauseSync({
  token: '0x20c0000000000000000000000000000000000000',
})

console.log('Is paused:', isPaused)
// @log: Is paused: false
```

```ts twoslash [viem.config.ts] filename="viem.config.ts"
// [!include ~/snippets/tempo/viem.config.ts:setup]
```
:::

### Asynchronous Usage

The example above uses a `*Sync` variant of the action, that will wait for the transaction to be included before returning.

If you are optimizing for performance, you should use the non-sync `token.unpause` action and wait for inclusion manually:

```ts twoslash
import { Actions } from 'viem/tempo'
import { client } from './viem.config'

const hash = await client.token.unpause({
  token: '0x20c0000000000000000000000000000000000000',
})
const receipt = await client.transaction.waitForReceipt({ hash }).receipt

const { args } = Actions.token.unpause.extractEvent(receipt.logs)
```

## Recipes

### Resume Transfers After a Policy Fix

Combine [`token.changeTransferPolicySync`](/tempo/actions/token.changeTransferPolicy) with `token.unpauseSync` to reopen transfers only after replacing the misconfigured policy that triggered the freeze.

:::code-group
```ts twoslash [example.ts]
import { client } from './viem.config'

const token = '0x20c0000000000000000000000000000000000001'

const { receipt } = await client.token.changeTransferPolicySync({ // [!code focus]
  policyId: 2n, // [!code focus]
  token, // [!code focus]
}) // [!code focus]

const { isPaused } = await client.token.unpauseSync({ token })

console.log('Is paused:', isPaused)
// @log: Is paused: false
```

```ts twoslash [viem.config.ts] filename="viem.config.ts"
// [!include ~/snippets/tempo/viem.config.ts:setup]
```
:::

### Restore Issuer Roles Before Reopening Transfers

Grant the rotated issuer key its roles with [`token.grantRolesSync`](/tempo/actions/token.grantRoles) while the token is still paused, then unpause to resume issuance and transfers together.

:::code-group
```ts twoslash [example.ts]
import { client } from './viem.config'

const token = '0x20c0000000000000000000000000000000000001'

const { value } = await client.token.grantRolesSync({ // [!code focus]
  roles: ['issuer'], // [!code focus]
  to: '0x8ba1f109551bD432803012645Ac136ddd64DBA72', // [!code focus]
  token, // [!code focus]
}) // [!code focus]

const { isPaused } = await client.token.unpauseSync({ token })

console.log('Issuer restored:', value[0].hasRole, '| paused:', isPaused)
// @log: Issuer restored: true | paused: false
```

```ts twoslash [viem.config.ts] filename="viem.config.ts"
// [!include ~/snippets/tempo/viem.config.ts:setup]
```
:::

## Return Value

```ts
type ReturnType = {
  /** Address that updated the pause state. */
  updater: Address
  /** Whether the token is paused. */
  isPaused: boolean
  /** Transaction receipt. */
  receipt: TransactionReceipt
}
```

## Parameters

### token

* **Type:** `Address | bigint`

Token to unpause: a TIP-20 token id or a contract address.

### account (optional)

* **Type:** `Account | Address`

Account that will be used to send the transaction.

### feePayer (optional)

* **Type:** `Account | boolean`

Fee payer for the transaction (TIP-1 gas sponsorship).

Pass `true` to defer the fee token to an external fee payer (e.g. a relay), or a local Account to co-sign the transaction as the fee payer.

### feeToken (optional)

* **Type:** `Address | bigint`

Fee token for the transaction.

Can be an unpaused USD-denominated TIP-20 token address or ID.

### gas (optional)

* **Type:** `bigint`

Gas limit for the transaction.

### keyAuthorization (optional)

* **Type:** `KeyAuthorization`

Signed key authorization to include with the transaction, authorizing an access key to act for the sending account.

### maxFeePerGas (optional)

* **Type:** `bigint`

Max fee per gas for the transaction.

### maxPriorityFeePerGas (optional)

* **Type:** `bigint`

Max priority fee per gas for the transaction.

### nonce (optional)

* **Type:** `number`

Nonce for the transaction.

### nonceKey (optional)

* **Type:** `'expiring' | 'random' | bigint`

Nonce key for the transaction (TIP-1009 2D nonces).

Use `'expiring'` to select an expiring nonce, which enables concurrent transaction submission without nonce ordering. Use `'random'` to select a random key.

### throwOnReceiptRevert (optional)

* **Type:** `boolean`
* **Default:** `true`

Whether a `Sync` action throws when the receipt reports a revert.

### validAfter (optional)

* **Type:** `number`

Unix timestamp after which the transaction can be included.

### validBefore (optional)

* **Type:** `number`

Unix timestamp before which the transaction must be included.