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Contract Source Code:
File 1 of 1 : LydianCoin
// This is the smart contract for LydianCoin (LDN) // LydianCoin is a utility token engineered to meet the digital marketing needs of the crypto and blockchain space. //Please see - https://lydian.io, for more details //The whitepaper is available here - ldn.im/whitepaper // Abstract contract for the full ERC 20 Token standard // https://github.com/ethereum/EIPs/issues/20 pragma solidity ^0.4.18; contract EIP20Interface { /// total amount of tokens uint256 public totalSupply; /// @param _owner The address from which the balance will be retrieved /// @return The balance function balanceOf(address _owner) public view returns (uint256 balance); /// @notice send `_value` token to `_to` from `msg.sender` /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transfer(address _to, uint256 _value) public returns (bool success); /// @notice send `_value` token to `_to` from `_from` on the condition it is approved by `_from` /// @param _from The address of the sender /// @param _to The address of the recipient /// @param _value The amount of token to be transferred /// @return Whether the transfer was successful or not function transferFrom(address _from, address _to, uint256 _value) public returns (bool success); /// @notice `msg.sender` approves `_spender` to spend `_value` tokens /// @param _spender The address of the account able to transfer the tokens /// @param _value The amount of tokens to be approved for transfer /// @return Whether the approval was successful or not function approve(address _spender, uint256 _value) public returns (bool success); /// @param _owner The address of the account owning tokens /// @param _spender The address of the account able to transfer the tokens /// @return Amount of remaining tokens allowed to spent function allowance(address _owner, address _spender) public view returns (uint256 remaining); // solhint-disable-next-line no-simple-event-func-name event Transfer(address indexed _from, address indexed _to, uint256 _value); event Approval(address indexed _owner, address indexed _spender, uint256 _value); } /* Implements EIP20 token standard: https://github.com/ethereum/EIPs/issues/20 .*/ contract LydianCoin is EIP20Interface { uint256 constant private MAX_UINT256 = 2**256 - 1; mapping (address => uint256) public balances; mapping (address => mapping (address => uint256)) public allowed; string public name = "LydianCoin"; uint8 public decimals = 8; //Decimals. string public symbol = "LDN"; uint256 initialAmount = 40000000000000000; function LydianCoin( ) public { balances[0x15C89975217025E0a9385648acAD26b84Eb0E767] = initialAmount; // Give the creator all initial tokens totalSupply = initialAmount; } function transfer(address _to, uint256 _value) public returns (bool success) { require(balances[msg.sender] >= _value); balances[msg.sender] -= _value; balances[_to] += _value; Transfer(msg.sender, _to, _value); return true; } function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) { uint256 allowance = allowed[_from][msg.sender]; require(balances[_from] >= _value && allowance >= _value); balances[_to] += _value; balances[_from] -= _value; if (allowance < MAX_UINT256) { allowed[_from][msg.sender] -= _value; } Transfer(_from, _to, _value); return true; } function balanceOf(address _owner) public view returns (uint256 balance) { return balances[_owner]; } function approve(address _spender, uint256 _value) public returns (bool success) { allowed[msg.sender][_spender] = _value; Approval(msg.sender, _spender, _value); return true; } function allowance(address _owner, address _spender) public view returns (uint256 remaining) { return allowed[_owner][_spender]; } }
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