Hasher
A SHA256 hash function for any number of input elements, and Poseidon hash functions for 2, 3, 4, 5, and 12 input elements.
sha256Hash
function sha256Hash(uint256[] array) public pure returns (uint256 result)
Computes the SHA256 hash of an array of uint256 elements.
Parameters
| Name | Type | Description |
|---|---|---|
| array | uint256[] | The array of uint256 elements. |
Return Values
| Name | Type | Description |
|---|---|---|
| result | uint256 | The SHA256 hash of the array. |
hash2
function hash2(uint256[2] array) public pure returns (uint256 result)
Computes the Poseidon hash of two uint256 elements.
Parameters
| Name | Type | Description |
|---|---|---|
| array | uint256[2] | An array of two uint256 elements. |
Return Values
| Name | Type | Description |
|---|---|---|
| result | uint256 | The Poseidon hash of the two elements. |
hash3
function hash3(uint256[3] array) public pure returns (uint256 result)
Computes the Poseidon hash of three uint256 elements.
Parameters
| Name | Type | Description |
|---|---|---|
| array | uint256[3] | An array of three uint256 elements. |
Return Values
| Name | Type | Description |
|---|---|---|
| result | uint256 | The Poseidon hash of the three elements. |
hash4
function hash4(uint256[4] array) public pure returns (uint256 result)
Computes the Poseidon hash of four uint256 elements.
Parameters
| Name | Type | Description |
|---|---|---|
| array | uint256[4] | An array of four uint256 elements. |
Return Values
| Name | Type | Description |
|---|---|---|
| result | uint256 | The Poseidon hash of the four elements. |
hash5
function hash5(uint256[5] array) public pure returns (uint256 result)
Computes the Poseidon hash of five uint256 elements.
Parameters
| Name | Type | Description |
|---|---|---|
| array | uint256[5] | An array of five uint256 elements. |
Return Values
| Name | Type | Description |
|---|---|---|
| result | uint256 | The Poseidon hash of the five elements. |
hashLeftRight
function hashLeftRight(uint256 left, uint256 right) public pure returns (uint256 result)
Computes the Poseidon hash of two uint256 elements.
Parameters
| Name | Type | Description |
|---|---|---|
| left | uint256 | the first element to hash. |
| right | uint256 | the second element to hash. |
Return Values
| Name | Type | Description |
|---|---|---|
| result | uint256 | The Poseidon hash of the two elements. |