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# EIP20Interface

## Overview

#### License: MIT

```solidity
interface EIP20Interface
```

## Events info

### Transfer

```solidity
event Transfer(address indexed from, address indexed to, uint256 amount)
```

### Approval

```solidity
event Approval(address indexed owner, address indexed spender, uint256 amount)
```

## Functions info

### name (0x06fdde03)

```solidity
function name() external view returns (string memory)
```

### symbol (0x95d89b41)

```solidity
function symbol() external view returns (string memory)
```

### decimals (0x313ce567)

```solidity
function decimals() external view returns (uint8)
```

### totalSupply (0x18160ddd)

```solidity
function totalSupply() external view returns (uint256)
```

Get the total number of tokens in circulation

Return values:

| Name | Type    | Description          |
| ---- | ------- | -------------------- |
| \[0] | uint256 | The supply of tokens |

### balanceOf (0x70a08231)

```solidity
function balanceOf(address owner) external view returns (uint256 balance)
```

Gets the balance of the specified address

Parameters:

| Name                 | Type    | Description                                          |
| -------------------- | ------- | ---------------------------------------------------- |
| owner                | address | The address from which the balance will be retrieved |
| return The `balance` |         |                                                      |

### transfer (0xa9059cbb)

```solidity
function transfer(address dst, uint256 amount) external returns (bool success)
```

Transfer `amount` tokens from `msg.sender` to `dst`

Parameters:

| Name                                         | Type    | Description                            |
| -------------------------------------------- | ------- | -------------------------------------- |
| dst                                          | address | The address of the destination account |
| amount                                       | uint256 | The number of tokens to transfer       |
| return Whether or not the transfer succeeded |         |                                        |

### transferFrom (0x23b872dd)

```solidity
function transferFrom(
    address src,
    address dst,
    uint256 amount
) external returns (bool success)
```

Transfer `amount` tokens from `src` to `dst`

Parameters:

| Name                                         | Type    | Description                            |
| -------------------------------------------- | ------- | -------------------------------------- |
| src                                          | address | The address of the source account      |
| dst                                          | address | The address of the destination account |
| amount                                       | uint256 | The number of tokens to transfer       |
| return Whether or not the transfer succeeded |         |                                        |

### approve (0x095ea7b3)

```solidity
function approve(
    address spender,
    uint256 amount
) external returns (bool success)
```

Approve `spender` to transfer up to `amount` from `src`

This will overwrite the approval amount for `spender` and is subject to issues noted [here](https://eips.ethereum.org/EIPS/eip-20#approve)

Parameters:

| Name                                         | Type    | Description                                                |
| -------------------------------------------- | ------- | ---------------------------------------------------------- |
| spender                                      | address | The address of the account which may transfer tokens       |
| amount                                       | uint256 | The number of tokens that are approved (-1 means infinite) |
| return Whether or not the approval succeeded |         |                                                            |

### allowance (0xdd62ed3e)

```solidity
function allowance(
    address owner,
    address spender
) external view returns (uint256 remaining)
```

Get the current allowance from `owner` for `spender`

Parameters:

| Name                                                                | Type    | Description                                                  |
| ------------------------------------------------------------------- | ------- | ------------------------------------------------------------ |
| owner                                                               | address | The address of the account which owns the tokens to be spent |
| spender                                                             | address | The address of the account which may transfer tokens         |
| return The number of tokens allowed to be spent (-1 means infinite) |         |                                                              |