41 lines
999 B
Markdown
41 lines
999 B
Markdown
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# Functions
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<a id="bntohex"></a>
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## bnToHex
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▸ **bnToHex**(value?: * `BN` | `number`*, bitLength?: *`number`*): `string`
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*Defined in [bn/toHex.ts:28](https://github.com/polkadot-js/common/blob/6d8e788/packages/util/src/bn/toHex.ts#L28)*
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*__name__*: bnToHex
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*__signature__*: bnToHex (value?: BN, bitLength: number = -1): string
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*__summary__*: Creates a hex value from a BN.js bignumber object.
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*__description__*: `null` inputs returns a `0x` result, BN values return the actual value as a `0x` prefixed hex value. Anything that is not a BN object throws an error. With `bitLength` set, it fixes the number to the specified length.
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*__example__*:
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```javascript
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import BN from 'bn.js';
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import { bnToHex } from '@polkadot/util';
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bnToHex(new BN(0x123456)); // => '0x123456'
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```
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**Parameters:**
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| Name | Type | Default value |
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| ------ | ------ | ------ |
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| `Optional` value | `BN` | `number`| - |
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| `Default value` bitLength | `number` | -1 |
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**Returns:** `string`
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___
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