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51 lines
1.3 KiB
51 lines
1.3 KiB
pragma solidity ^0.4.8;
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import './StandardToken.sol';
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import '../ownership/Ownable.sol';
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/**
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* @tit;e Mintable token
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* @dev: Simple ERC20 Token example, with mintable token creation
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@dev Issue: * https://github.com/OpenZeppelin/zeppelin-solidity/issues/120
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* Based on code by TokenMarketNet: https://github.com/TokenMarketNet/ico/blob/master/contracts/MintableToken.sol
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*/
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contract MintableToken is StandardToken, Ownable {
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event Mint(address indexed to, uint value);
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event MintFinished();
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bool public mintingFinished = false;
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uint public totalSupply = 0;
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modifier canMint() {
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if(mintingFinished) throw;
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_;
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}
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/**
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* @dev Function to mint tokens
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* @param _to address The address that will recieve the minted tokens
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* @param _amout uint The amount of tokens to mint
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* @return A boolean that indicates if the operation was successful
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*/
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function mint(address _to, uint _amount) onlyOwner canMint returns (bool) {
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totalSupply = totalSupply.add(_amount);
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balances[_to] = balances[_to].add(_amount);
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Mint(_to, _amount);
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return true;
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}
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/**
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* @dev Function to spot minting new tokens
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* @return True if the operation was successful
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*/
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function finishMinting() onlyOwner returns (bool) {
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mintingFinished = true;
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MintFinished();
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return true;
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}
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}
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