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First pass at adding referral fee #73

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First pass at adding referral fee #73

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27 changes: 27 additions & 0 deletions contracts/ETHRegistrarController.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -33,12 +33,15 @@ contract ETHRegistrarController is Ownable {
PriceOracle prices;
uint public minCommitmentAge;
uint public maxCommitmentAge;
uint public referralFee;

mapping(bytes32=>uint) public commitments;

event NameRegistered(string name, bytes32 indexed label, address indexed owner, uint cost, uint expires);
event NameRenewed(string name, bytes32 indexed label, uint cost, uint expires);
event NewPriceOracle(address indexed oracle);
event NewReferralFee(address indexed fee);
event ReferralPaid(address referrer, uint fee);

constructor(BaseRegistrar _base, PriceOracle _prices, uint _minCommitmentAge, uint _maxCommitmentAge) public {
require(_maxCommitmentAge > _minCommitmentAge);
Expand Down Expand Up @@ -85,6 +88,14 @@ contract ETHRegistrarController is Ownable {
registerWithConfig(name, owner, duration, secret, address(0), address(0));
}

function registerWithReferral(string calldata name, address owner, uint duration, bytes32 secret, address referrer) external payable {
registerWithConfig(name, owner, duration, secret, address(0), address(0));

uint fee = referralFee * rentPrice(name, duration) / 1000;
emit ReferralPaid(referrer, fee)
referrer.transfer( fee );
}

function registerWithConfig(string memory name, address owner, uint duration, bytes32 secret, address resolver, address addr) public payable {
bytes32 commitment = makeCommitmentWithConfig(name, owner, secret, resolver, addr);
uint cost = _consumeCommitment(name, duration, commitment);
Expand Down Expand Up @@ -125,6 +136,16 @@ contract ETHRegistrarController is Ownable {
}
}

function renewWithReferral(string calldata name, uint duration, address referrer) external payable {
// standard renewal
renew(name, duration);

// fee is deducted from the revenue
uint fee = referralFee * rentPrice(name, duration) / 1000;
emit ReferralPaid(referrer, fee)
referrer.transfer(fee);
}

function renew(string calldata name, uint duration) external payable {
uint cost = rentPrice(name, duration);
require(msg.value >= cost);
Expand All @@ -139,6 +160,12 @@ contract ETHRegistrarController is Ownable {
emit NameRenewed(name, label, cost, expires);
}

function setReferralFee(uint _referralFee) public onlyOwner {
require(_referralFee <= 1000, "Fee cannot be over 100%");
referralFee = _referralFee;
emit newReferralFee(_referralFee);
}

function setPriceOracle(PriceOracle _prices) public onlyOwner {
prices = _prices;
emit NewPriceOracle(address(prices));
Expand Down