45 lines
1.8 KiB
Solidity
45 lines
1.8 KiB
Solidity
pragma solidity ^0.8.0;
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import "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
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import "@openzeppelin/contracts-upgradeable/utils/math/SafeMathUpgradeable.sol";
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interface ContributorInterface {
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function getContributorAddressById(uint32 contributorId) external view returns (address);
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function getContributorIdByAddress(address contributorAccount) external view returns (uint32);
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function addressIsCore(address sender) external view returns (bool);
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// TODO Maybe use for validation
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// function exists(uint32 contributorId) public view returns (bool);
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}
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contract Token is Initializable, ERC20Upgradeable {
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ContributorInterface public contributorContract;
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using SafeMathUpgradeable for uint256;
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address public contributionContract;
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event LogMint(address indexed recipient, uint256 amount, uint32 contributionId);
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function initialize() public virtual initializer {
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__ERC20_init('Kredits', 'KS');
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}
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function setContributionContract(address contribution) public {
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require(address(contributionContract) == address(0) || contributorContract.addressIsCore(msg.sender), "Core only");
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contributionContract = contribution;
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}
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function setContributorContract(address contributor) public {
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require(address(contributorContract) == address(0) || contributorContract.addressIsCore(msg.sender), "Core only");
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contributorContract = ContributorInterface(contributor);
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}
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function mintFor(address contributorAccount, uint256 amount, uint32 contributionId) public {
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require(contributionContract == msg.sender, "Only Contribution");
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require(amount > 0, "INVALID_AMOUNT");
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uint256 amountInWei = amount.mul(1 ether);
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_mint(contributorAccount, amountInWei);
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emit LogMint(contributorAccount, amount, contributionId);
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}
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}
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