ERC-20 Token Contract Documentation

The ERC-20 Token contract implements the ERC-20 standard for fungible tokens on the Ethereum blockchain.

Token Address: 0xF098E992C4D51E6937CC66E10ca9d7509cc537Aa

Deployed on: Sepolia Test Net

Contract Overview

• Contract Name: LogiCoin
• Solidity Version: >=0.7.0 <0.9.0
• License: GPL-3.0

Public State Variables

name

• Type: string

The name of the token.

symbol

• Type: string

The symbol or ticker of the token.

totalSupply

• Type: uint256

The total supply of tokens in circulation.

decimals

• Type: uint8

The number of decimal places the token uses for display purposes.

balances

• Type: mapping(address => uint256)

A mapping that stores the token balances for each address.

allowances

• Type: mapping(address => mapping(address => uint256))

A nested mapping that stores the token allowances granted by one address to another.

Events

Transfer

• Parameters:
  • _from (address): The address from which tokens are transferred.
  • _to (address): The address to which tokens are transferred.
  • _value (uint256): The amount of tokens being transferred.

An event emitted when tokens are transferred from one address to another.

Approval

• Parameters:
  • _owner (address): The address granting the allowance.
  • _spender (address): The address being granted the allowance.
  • _value (uint256): The amount of tokens being granted as allowance.

An event emitted when an allowance is granted by one address to another.

Public Functions

constructor

• Parameters:
  • _name (string): The name of the token.
  • _symbol (string): The symbol or ticker of the token.
  • _initialSupply (uint256): The initial supply of tokens.
  • _decimals (uint8): The number of decimal places for token display.

The constructor function that initializes the token with the provided name, symbol, initial supply, and decimal places.

totalSupply

• Returns: uint256

Returns the total supply of tokens in circulation.

balanceOf

• Parameters:
  • _owner (address): The address for which the balance is queried.
• Returns: uint256

Returns the token balance of a specific address.

transfer

• Parameters:
  • _to (address): The address to which tokens are transferred.
  • _value (uint256): The amount of tokens to transfer.
• Returns: bool

Transfers a specified amount of tokens from the caller's address to the recipient address.

transferFrom

• Parameters:
  • _from (address): The address from which tokens are transferred.
  • _to (address): The address to which tokens are transferred.
  • _value (uint256): The amount of tokens to transfer.
• Returns: bool

Transfers a specified amount of tokens from one address to another, on behalf of a third party who has granted an allowance.

approve

• Parameters:
  • _spender (address): The address being granted the allowance.
  • _value (uint256): The amount of tokens to grant as allowance.
• Returns: bool

Allows a spender to spend a specified amount of tokens on behalf of the owner.

allowance

• Parameters:
  • _owner (address): The address granting the allowance.
  • _spender (address): The address being granted the allowance.
• Returns: uint256

Returns the amount of tokens that a spender is allowed to spend on behalf of an owner.

ERC-20 Standard Compliance

The ERC-20 Token contract fully complies with the ERC-20 standard interface, providing all the required functions and events defined by the standard.