Address Details
contract

0x07DDCB69Bc2637A6c03d5523696E21B688b42d65

Creator
0x4c828d–78dc3e at 0xec9fd7–a0ff89
Balance
0 CELO ( )
Locked CELO Balance
0.00 CELO
Voting CELO Balance
0.00 CELO
Pending Unlocked Gold
0.00 CELO
Tokens
Fetching tokens...
Transactions
10 Transactions
Transfers
1 Transfers
Gas Used
279,015
Last Balance Update
24567851
This contract has been verified via Sourcify. View contract in Sourcify repository
Contract name:
FeeModuleV1




Optimization enabled
true
Compiler version
v0.8.4+commit.c7e474f2




Optimization runs
200
EVM Version
istanbul




Verified at
2021-08-07T17:44:34.342432Z

Contract source code

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "./interfaces/IFeeModule.sol";

contract FeeModuleV1 is IFeeModule, Ownable {
  using SafeMath for uint256;
  using SafeERC20 for IERC20;

  IERC20 public currency;
  uint256 public paymentRate;
  address public treasury;

  event CurrencyChanged(address indexed previousCurrency, address indexed nextCurrency);
  event PaymentRateChanged(uint256 indexed previousPaymentRate, uint256 indexed nextPaymentRate);
  event TreasuryChanged(address indexed previousTreasury, address indexed nextTreasury);

  constructor(IERC20 currency_, uint256 paymentRate_, address treasury_) {
    currency = currency_;
    paymentRate = paymentRate_;
    treasury = treasury_;
  }

  // @dev Make a payment for a reservation. Payment is linear w.r.t duration
  // @param payer The address to pay for the reservation
  // @param durationToReserve The length of time in seconds to reserve
  // @returns success Whether the payment was sucessful
  function pay(address payer, uint256 durationToReserve) override external returns (bool success) {
    require(treasury != address(0), "Cannot pay while treasury points to the zero address");
    currency.safeTransferFrom(payer, treasury, durationToReserve.mul(paymentRate));
    return true;
  }

  function setCurrency(IERC20 currency_) external onlyOwner {
    IERC20 previousCurrency = currency;
    currency = currency_;
    emit CurrencyChanged(address(previousCurrency), address(currency));
  }

  function setPaymentRate(uint256 paymentRate_) external onlyOwner {
    uint256 previousPaymentRate = paymentRate;
    paymentRate = paymentRate_;
    emit PaymentRateChanged(previousPaymentRate, paymentRate);
  }

  function setTreasury(address treasury_) external onlyOwner {
    address previousTreasury = treasury;
    treasury = treasury_;
    emit TreasuryChanged(previousTreasury, treasury);
  }
}

Contract ABI

[{"type":"constructor","stateMutability":"nonpayable","inputs":[{"type":"address","name":"currency_","internalType":"contract IERC20"},{"type":"uint256","name":"paymentRate_","internalType":"uint256"},{"type":"address","name":"treasury_","internalType":"address"}]},{"type":"event","name":"CurrencyChanged","inputs":[{"type":"address","name":"previousCurrency","internalType":"address","indexed":true},{"type":"address","name":"nextCurrency","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"OwnershipTransferred","inputs":[{"type":"address","name":"previousOwner","internalType":"address","indexed":true},{"type":"address","name":"newOwner","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"PaymentRateChanged","inputs":[{"type":"uint256","name":"previousPaymentRate","internalType":"uint256","indexed":true},{"type":"uint256","name":"nextPaymentRate","internalType":"uint256","indexed":true}],"anonymous":false},{"type":"event","name":"TreasuryChanged","inputs":[{"type":"address","name":"previousTreasury","internalType":"address","indexed":true},{"type":"address","name":"nextTreasury","internalType":"address","indexed":true}],"anonymous":false},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"contract IERC20"}],"name":"currency","inputs":[]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"owner","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[{"type":"bool","name":"success","internalType":"bool"}],"name":"pay","inputs":[{"type":"address","name":"payer","internalType":"address"},{"type":"uint256","name":"durationToReserve","internalType":"uint256"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"uint256","name":"","internalType":"uint256"}],"name":"paymentRate","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"renounceOwnership","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setCurrency","inputs":[{"type":"address","name":"currency_","internalType":"contract IERC20"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setPaymentRate","inputs":[{"type":"uint256","name":"paymentRate_","internalType":"uint256"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"setTreasury","inputs":[{"type":"address","name":"treasury_","internalType":"address"}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"transferOwnership","inputs":[{"type":"address","name":"newOwner","internalType":"address"}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"treasury","inputs":[]}]

Contract Creation Code

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Deployed ByteCode

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