ERC20.sol
Modern and gas efficient ERC20 + EIP-2612 implementation.
Details Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it. :::
Methods
DOMAIN_SEPARATOR
Solidity
function DOMAIN_SEPARATOR() external view returns (bytes32)
Returns
| Name | Type | Description |
|---|---|---|
| _0 | bytes32 | undefined |
allowance
Solidity
function allowance(address, address) external view returns (uint256)
Parameters
| Name | Type | Description |
|---|---|---|
| _0 | address | undefined |
| _1 | address | undefined |
Returns
| Name | Type | Description |
|---|---|---|
| _0 | uint256 | undefined |
approve
Solidity
function approve(address spender, uint256 amount) external nonpayable returns (bool)
Parameters
| Name | Type | Description |
|---|---|---|
| spender | address | undefined |
| amount | uint256 | undefined |
Returns
| Name | Type | Description |
|---|---|---|
| _0 | bool | undefined |
balanceOf
Solidity
function balanceOf(address) external view returns (uint256)
Parameters
| Name | Type | Description |
|---|---|---|
| _0 | address | undefined |
Returns
| Name | Type | Description |
|---|---|---|
| _0 | uint256 | undefined |
decimals
Solidity
function decimals() external view returns (uint8)
Returns
| Name | Type | Description |
|---|---|---|
| _0 | uint8 | undefined |
name
Solidity
function name() external view returns (string)
Returns
| Name | Type | Description |
|---|---|---|
| _0 | string | undefined |
nonces
Solidity
function nonces(address) external view returns (uint256)
Parameters
| Name | Type | Description |
|---|---|---|
| _0 | address | undefined |
Returns
| Name | Type | Description |
|---|---|---|
| _0 | uint256 | undefined |
permit
Solidity
function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) external nonpayable
Parameters
| Name | Type | Description |
|---|---|---|
| owner | address | undefined |
| spender | address | undefined |
| value | uint256 | undefined |
| deadline | uint256 | undefined |
| v | uint8 | undefined |
| r | bytes32 | undefined |
| s | bytes32 | undefined |
symbol
Solidity
function symbol() external view returns (string)
Returns
| Name | Type | Description |
|---|---|---|
| _0 | string | undefined |
totalSupply
Solidity
function totalSupply() external view returns (uint256)
Returns
| Name | Type | Description |
|---|---|---|
| _0 | uint256 | undefined |
transfer
Solidity
function transfer(address to, uint256 amount) external nonpayable returns (bool)
Parameters
| Name | Type | Description |
|---|---|---|
| to | address | undefined |
| amount | uint256 | undefined |
Returns
| Name | Type | Description |
|---|---|---|
| _0 | bool | undefined |
transferFrom
Solidity
function transferFrom(address from, address to, uint256 amount) external nonpayable returns (bool)
Parameters
| Name | Type | Description |
|---|---|---|
| from | address | undefined |
| to | address | undefined |
| amount | uint256 | undefined |
Returns
| Name | Type | Description |
|---|---|---|
| _0 | bool | undefined |
Events
Approval
Solidity
event Approval(address indexed owner, address indexed spender, uint256 amount)
Parameters
| Name | Type | Description |
|---|---|---|
owner indexed | address | undefined |
spender indexed | address | undefined |
| amount | uint256 | undefined |
Transfer
Solidity
event Transfer(address indexed from, address indexed to, uint256 amount)
Parameters
| Name | Type | Description |
|---|---|---|
from indexed | address | undefined |
to indexed | address | undefined |
| amount | uint256 | undefined |