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openzeppelin-contracts/contracts/MetaCoin.sol

29 lines
807 B

import "ConvertLib.sol";
// This is just a simple example of a coin-like contract.
// It is not standards compatible and cannot be expected to talk to other
// coin/token contracts. If you want to create a standards-compliant
// token, see: https://github.com/ConsenSys/Tokens. Cheers!
contract MetaCoin {
mapping (address => uint) balances;
function MetaCoin() {
balances[tx.origin] = 10000;
}
function sendCoin(address receiver, uint amount) returns(bool sufficient) {
if (balances[msg.sender] < amount) return false;
balances[msg.sender] -= amount;
balances[receiver] += amount;
return true;
}
function getBalanceInEth(address addr) returns(uint){
return ConvertLib.convert(getBalance(addr),2);
}
function getBalance(address addr) returns(uint) {
return balances[addr];
}
}