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Contract Source Code:
File 1 of 1 : MamaBearToken
pragma solidity ^0.4.16; interface tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData) public; } contract MamaBearToken { // Public variables of the token string public name = "MamaBearToken"; string public symbol = "MBEAR"; uint8 public decimals = 18; uint256 public totalSupply; uint256 public supplyMultiplier = 1000000000; uint256 public buyPrice = 10000000; address public creator; // This creates an array with all balances mapping (address => uint256) public balanceOf; mapping (address => mapping (address => uint256)) public allowance; // This generates a public event on the blockchain that will notify clients event Transfer(address indexed from, address indexed to, uint256 value); event FundTransfer(address backer, uint amount, bool isContribution); /** * Constructor function * * Initializes contract with initial supply tokens to the creator of the contract */ function MamaBearToken() public { totalSupply = supplyMultiplier * 10 ** uint256(decimals); // Update total supply with the decimal amount balanceOf[msg.sender] = totalSupply; // assign total created tokens creator = msg.sender; } /** * Internal transfer, only can be called by this contract */ function _transfer(address _from, address _to, uint _value) internal { // Prevent transfer to 0x0 address. Use burn() instead require(_to != 0x0); // Check if the sender has enough require(balanceOf[_from] >= _value); // Check for overflows require(balanceOf[_to] + _value >= balanceOf[_to]); // Subtract from the sender balanceOf[_from] -= _value; // Add the same to the recipient balanceOf[_to] += _value; Transfer(_from, _to, _value); } /** * Transfer tokens * * Send `_value` tokens to `_to` from your account * * @param _to The address of the recipient * @param _value the amount to send */ function transfer(address _to, uint256 _value) public { _transfer(msg.sender, _to, _value); } /// @notice Buy tokens from contract by sending ether function () payable internal { uint amount = msg.value * buyPrice; uint amountRaised; amountRaised += msg.value; require(balanceOf[creator] >= amount); balanceOf[msg.sender] += amount; balanceOf[creator] -= amount; Transfer(creator, msg.sender, amount); creator.transfer(amountRaised); } }
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