> ## Documentation Index
> Fetch the complete documentation index at: https://docs.buckspay.xyz/llms.txt
> Use this file to discover all available pages before exploring further.

# Function: assertPinnedWasmHash()

# Function: assertPinnedWasmHash()

> **assertPinnedWasmHash**(`hash`): `void`

Defined in: [packages/accounts/src/oz-contract/wasm-pin.ts:15](https://github.com/bucks-pay/buckspay-sdk/blob/43ad599d2776cb5d657043c36847b3318093ccf4/packages/accounts/src/oz-contract/wasm-pin.ts#L15)

Refuse any Wasm hash other than the pinned one (or a malformed hash).

## Parameters

### hash

`string`

## Returns

`void`