> ## 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.

# ERC1155

> Auto-generated API documentation

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

***

[@tevm/voltaire](../../index.mdx) / [index](../index.mdx) / ERC1155

# ERC1155

## Variables

### EVENTS

> `const` **EVENTS**: `object`

Defined in: [src/standards/ERC1155.ts:37](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/standards/ERC1155.ts#L37)

ERC-1155 event signatures
keccak256 hash of event signature

#### Type Declaration

##### ApprovalForAll

> `readonly` **ApprovalForAll**: `"0x17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31"` = `"0x17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31"`

ApprovalForAll(address indexed account, address indexed operator, bool approved)

##### TransferBatch

> `readonly` **TransferBatch**: `"0x4a39dc06d4c0dbc64b70af90fd698a233a518aa5d07e595d983b8c0526c8f7fb"` = `"0x4a39dc06d4c0dbc64b70af90fd698a233a518aa5d07e595d983b8c0526c8f7fb"`

TransferBatch(address indexed operator, address indexed from, address indexed to, uint256\[] ids, uint256\[] values)

##### TransferSingle

> `readonly` **TransferSingle**: `"0xc3d58168c5ae7397731d063d5bbf3d657854427343f4c083240f7aacaa2d0f62"` = `"0xc3d58168c5ae7397731d063d5bbf3d657854427343f4c083240f7aacaa2d0f62"`

TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value)

##### URI

> `readonly` **URI**: `"0x6bb7ff708619ba0610cba295a58592e0451dee2622938c8755667688daf3529b"` = `"0x6bb7ff708619ba0610cba295a58592e0451dee2622938c8755667688daf3529b"`

URI(string value, uint256 indexed id)

***

### SELECTORS

> `const` **SELECTORS**: `object`

Defined in: [src/standards/ERC1155.ts:15](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/standards/ERC1155.ts#L15)

ERC-1155 function selectors
First 4 bytes of keccak256 hash of function signature

#### Type Declaration

##### balanceOf

> `readonly` **balanceOf**: `"0x00fdd58e"` = `"0x00fdd58e"`

balanceOf(address,uint256)

##### balanceOfBatch

> `readonly` **balanceOfBatch**: `"0x4e1273f4"` = `"0x4e1273f4"`

balanceOfBatch(address\[],uint256\[])

##### isApprovedForAll

> `readonly` **isApprovedForAll**: `"0xe985e9c5"` = `"0xe985e9c5"`

isApprovedForAll(address,address)

##### safeBatchTransferFrom

> `readonly` **safeBatchTransferFrom**: `"0x2eb2c2d6"` = `"0x2eb2c2d6"`

safeBatchTransferFrom(address,address,uint256\[],uint256\[],bytes)

##### safeTransferFrom

> `readonly` **safeTransferFrom**: `"0xf242432a"` = `"0xf242432a"`

safeTransferFrom(address,address,uint256,uint256,bytes)

##### setApprovalForAll

> `readonly` **setApprovalForAll**: `"0xa22cb465"` = `"0xa22cb465"`

setApprovalForAll(address,bool)

##### uri

> `readonly` **uri**: `"0x0e89341c"` = `"0x0e89341c"`

uri(uint256)

## Functions

### decodeApprovalForAllEvent()

> **decodeApprovalForAllEvent**(`log`): `object`

Defined in: [src/standards/ERC1155.ts:177](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/standards/ERC1155.ts#L177)

Decode ApprovalForAll event log

#### Parameters

##### log

###### data

`string`

###### topics

`string`\[]

#### Returns

`object`

##### account

> **account**: `string`

##### approved

> **approved**: `boolean`

##### operator

> **operator**: `string`

***

### decodeTransferSingleEvent()

> **decodeTransferSingleEvent**(`log`): `object`

Defined in: [src/standards/ERC1155.ts:141](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/standards/ERC1155.ts#L141)

Decode TransferSingle event log

#### Parameters

##### log

###### data

`string`

###### topics

`string`\[]

#### Returns

`object`

##### from

> **from**: `string`

##### id

> **id**: [`Type`](../../primitives/Uint.mdx#type)

##### operator

> **operator**: `string`

##### to

> **to**: `string`

##### value

> **value**: [`Type`](../../primitives/Uint.mdx#type)

***

### encodeBalanceOf()

> **encodeBalanceOf**(`account`, `id`): `string`

Defined in: [src/standards/ERC1155.ts:54](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/standards/ERC1155.ts#L54)

Encode balanceOf(address,uint256) calldata

#### Parameters

##### account

[`AddressType`](../../primitives/Address.mdx#addresstype)

##### id

[`Type`](../../primitives/Uint.mdx#type)

#### Returns

`string`

***

### encodeIsApprovedForAll()

> **encodeIsApprovedForAll**(`account`, `operator`): `string`

Defined in: [src/standards/ERC1155.ts:113](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/standards/ERC1155.ts#L113)

Encode isApprovedForAll(address,address) calldata

#### Parameters

##### account

[`AddressType`](../../primitives/Address.mdx#addresstype)

##### operator

[`AddressType`](../../primitives/Address.mdx#addresstype)

#### Returns

`string`

***

### encodeSafeTransferFrom()

> **encodeSafeTransferFrom**(`from`, `to`, `id`, `amount`, `data`): `string`

Defined in: [src/standards/ERC1155.ts:83](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/standards/ERC1155.ts#L83)

Encode safeTransferFrom(address,address,uint256,uint256,bytes) calldata

#### Parameters

##### from

[`AddressType`](../../primitives/Address.mdx#addresstype)

##### to

[`AddressType`](../../primitives/Address.mdx#addresstype)

##### id

[`Type`](../../primitives/Uint.mdx#type)

##### amount

[`Type`](../../primitives/Uint.mdx#type)

##### data

`Uint8Array` = `...`

#### Returns

`string`

***

### encodeSetApprovalForAll()

> **encodeSetApprovalForAll**(`operator`, `approved`): `string`

Defined in: [src/standards/ERC1155.ts:66](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/standards/ERC1155.ts#L66)

Encode setApprovalForAll(address,bool) calldata

#### Parameters

##### operator

[`AddressType`](../../primitives/Address.mdx#addresstype)

##### approved

`boolean`

#### Returns

`string`

***

### encodeURI()

> **encodeURI**(`id`): `string`

Defined in: [src/standards/ERC1155.ts:133](https://github.com/evmts/voltaire/blob/bd6ec34405c15ad8cd51d11579d495dc53813482/src/standards/ERC1155.ts#L133)

Encode uri(uint256) calldata

#### Parameters

##### id

[`Type`](../../primitives/Uint.mdx#type)

#### Returns

`string`