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

# primitives/RevertReason

> Auto-generated API documentation

[**@tevm/voltaire**](../index.mdx)

***

[@tevm/voltaire](../index.mdx) / primitives/RevertReason

# primitives/RevertReason

## Type Aliases

### CustomRevertReason

> **CustomRevertReason** = `object`

Defined in: [src/primitives/RevertReason/RevertReasonType.ts:31](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/RevertReasonType.ts#L31)

Custom error with selector and data

#### Properties

##### data

> `readonly` **data**: `Uint8Array`

Defined in: [src/primitives/RevertReason/RevertReasonType.ts:34](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/RevertReasonType.ts#L34)

##### selector

> `readonly` **selector**: `string`

Defined in: [src/primitives/RevertReason/RevertReasonType.ts:33](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/RevertReasonType.ts#L33)

##### type

> `readonly` **type**: `"Custom"`

Defined in: [src/primitives/RevertReason/RevertReasonType.ts:32](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/RevertReasonType.ts#L32)

***

### ErrorRevertReason

> **ErrorRevertReason** = `object`

Defined in: [src/primitives/RevertReason/RevertReasonType.ts:14](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/RevertReasonType.ts#L14)

Standard Error(string) revert

#### Properties

##### message

> `readonly` **message**: `string`

Defined in: [src/primitives/RevertReason/RevertReasonType.ts:16](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/RevertReasonType.ts#L16)

##### type

> `readonly` **type**: `"Error"`

Defined in: [src/primitives/RevertReason/RevertReasonType.ts:15](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/RevertReasonType.ts#L15)

***

### PanicCode

> **PanicCode** = keyof *typeof* [`PANIC_CODES`](#panic_codes)

Defined in: [src/primitives/RevertReason/constants.ts:23](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/constants.ts#L23)

***

### PanicRevertReason

> **PanicRevertReason** = `object`

Defined in: [src/primitives/RevertReason/RevertReasonType.ts:22](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/RevertReasonType.ts#L22)

Solidity 0.8+ Panic(uint256) revert

#### Properties

##### code

> `readonly` **code**: `number`

Defined in: [src/primitives/RevertReason/RevertReasonType.ts:24](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/RevertReasonType.ts#L24)

##### description

> `readonly` **description**: `string`

Defined in: [src/primitives/RevertReason/RevertReasonType.ts:25](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/RevertReasonType.ts#L25)

##### type

> `readonly` **type**: `"Panic"`

Defined in: [src/primitives/RevertReason/RevertReasonType.ts:23](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/RevertReasonType.ts#L23)

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### RevertReasonType

> **RevertReasonType** = [`ErrorRevertReason`](#errorrevertreason) | [`PanicRevertReason`](#panicrevertreason) | [`CustomRevertReason`](#customrevertreason) | [`UnknownRevertReason`](#unknownrevertreason)

Defined in: [src/primitives/RevertReason/RevertReasonType.ts:48](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/RevertReasonType.ts#L48)

RevertReason union type

***

### UnknownRevertReason

> **UnknownRevertReason** = `object`

Defined in: [src/primitives/RevertReason/RevertReasonType.ts:40](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/RevertReasonType.ts#L40)

Unknown/unrecognized revert

#### Properties

##### data

> `readonly` **data**: `Uint8Array`

Defined in: [src/primitives/RevertReason/RevertReasonType.ts:42](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/RevertReasonType.ts#L42)

##### type

> `readonly` **type**: `"Unknown"`

Defined in: [src/primitives/RevertReason/RevertReasonType.ts:41](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/RevertReasonType.ts#L41)

## Variables

### ERROR\_SELECTOR

> `const` **ERROR\_SELECTOR**: `"0x08c379a0"` = `"0x08c379a0"`

Defined in: [src/primitives/RevertReason/constants.ts:4](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/constants.ts#L4)

Standard error selectors

***

### PANIC\_CODES

> `const` **PANIC\_CODES**: `object`

Defined in: [src/primitives/RevertReason/constants.ts:10](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/constants.ts#L10)

Solidity 0.8+ panic codes

#### Type Declaration

##### 0

> `readonly` **0**: `"Generic panic"` = `"Generic panic"`

##### 1

> `readonly` **1**: `"Assertion failed"` = `"Assertion failed"`

##### 17

> `readonly` **17**: `"Arithmetic overflow/underflow"` = `"Arithmetic overflow/underflow"`

##### 18

> `readonly` **18**: `"Division by zero"` = `"Division by zero"`

##### 33

> `readonly` **33**: `"Invalid enum value"` = `"Invalid enum value"`

##### 34

> `readonly` **34**: `"Invalid storage encoding"` = `"Invalid storage encoding"`

##### 49

> `readonly` **49**: `"Array pop on empty array"` = `"Array pop on empty array"`

##### 50

> `readonly` **50**: `"Array out of bounds"` = `"Array out of bounds"`

##### 65

> `readonly` **65**: `"Out of memory"` = `"Out of memory"`

##### 81

> `readonly` **81**: `"Invalid internal function"` = `"Invalid internal function"`

***

### PANIC\_SELECTOR

> `const` **PANIC\_SELECTOR**: `"0x4e487b71"` = `"0x4e487b71"`

Defined in: [src/primitives/RevertReason/constants.ts:5](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/constants.ts#L5)

## Functions

### \_from()

> **\_from**(`value`): [`RevertReasonType`](#revertreasontype)

Defined in: [src/primitives/RevertReason/from.js:15](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/from.js#L15)

Create RevertReason from various inputs

#### Parameters

##### value

Return data

`string` | `Uint8Array`\<`ArrayBufferLike`> | [`ReturnDataType`](ReturnData.mdx#returndatatype)

#### Returns

[`RevertReasonType`](#revertreasontype)

Decoded revert reason

#### Example

```typescript theme={null}
const reason = RevertReason.from("0x08c379a0...");
```

***

### \_fromReturnData()

> **\_fromReturnData**(`returnData`): [`RevertReasonType`](#revertreasontype)

Defined in: [src/primitives/RevertReason/fromReturnData.js:24](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/fromReturnData.js#L24)

Decode RevertReason from ReturnData

#### Parameters

##### returnData

[`ReturnDataType`](ReturnData.mdx#returndatatype)

Return data from failed call

#### Returns

[`RevertReasonType`](#revertreasontype)

Decoded revert reason

#### Example

```typescript theme={null}
const returnData = ReturnData.fromHex("0x08c379a0...");
const reason = RevertReason.fromReturnData(returnData);
if (reason.type === "Error") {
  console.log(reason.message);
}
```

***

### \_toString()

> **\_toString**(`reason`): `string`

Defined in: [src/primitives/RevertReason/toString.js:17](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/toString.js#L17)

Convert RevertReason to string representation

#### Parameters

##### reason

[`RevertReasonType`](#revertreasontype)

Revert reason

#### Returns

`string`

String representation

#### Example

```typescript theme={null}
const str = RevertReason.toString(reason);
// "Error: Insufficient balance"
// "Panic(0x11): Arithmetic overflow/underflow"
```

***

### from()

> **from**(`value`): [`RevertReasonType`](#revertreasontype)

Defined in: [src/primitives/RevertReason/index.ts:19](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/index.ts#L19)

Create RevertReason from various inputs

#### Parameters

##### value

`string` | `Uint8Array`\<`ArrayBufferLike`> | [`ReturnDataType`](ReturnData.mdx#returndatatype)

#### Returns

[`RevertReasonType`](#revertreasontype)

***

### fromReturnData()

> **fromReturnData**(`returnData`): [`RevertReasonType`](#revertreasontype)

Defined in: [src/primitives/RevertReason/index.ts:28](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/index.ts#L28)

Decode RevertReason from ReturnData

#### Parameters

##### returnData

[`ReturnDataType`](ReturnData.mdx#returndatatype)

#### Returns

[`RevertReasonType`](#revertreasontype)

***

### getPanicDescription()

> **getPanicDescription**(`code`): `string`

Defined in: [src/primitives/RevertReason/constants.ts:28](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/constants.ts#L28)

Get panic code description

#### Parameters

##### code

`number`

#### Returns

`string`

***

### toString()

> **toString**(`reason`): `string`

Defined in: [src/primitives/RevertReason/index.ts:36](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/primitives/RevertReason/index.ts#L36)

Convert RevertReason to string representation

#### Parameters

##### reason

[`RevertReasonType`](#revertreasontype)

#### Returns

`string`