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Dev

Summary​

Dev Contract manages DEV tokens. Dev Protocol manages the supply amount of DEV token. It conforms to ERC-20 and is Dev Protocol's key token.

DEV tokens are minted by Lockup Contract or Withdraw Contract, and is burned by Market Contract.

In Dev Protocol, DEV tokens have a function to gain staking rewards by staking Property tokens. Since it conforms to ERC-20, there is no limitation for its usage. When users stake DEV tokens, they can get the following side effects:

  • Allocation of creator rewards for Property token holders.
  • Acquisition of right to vote for the governance.

Interface​

Since Dev contract conform to ERC20, interface according to ERC20 is retained. and, Dev contract inherits from ERC20Mintable, ERC20Burnable, and UsingConfig, and therefore retains their interfaces.

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;

interface IDev{
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
}

contract UsingDevInterface{
    IDev internal DevQuery;
    /**
     * Network: Ethereum Mainnet
     * Address: 0x5caf454ba92e6f2c929df14667ee360ed9fd5b26
     */
    constructor() {
        DevQuery = IDev(0xcbc698ed514dF6e54932a22515d6D0C27E4DA091);
    }
    /**
     * Returns the balance of particular address
     */
    function fetchBalance(address _address) public view returns(uint256){
        uint256 balance = DevQuery.balanceOf(_address);
        return balance;
    }
    /**
     * Add/Remove functions as per use case
     */
}
Open in Remix

function deposit(address _to, uint256 _amount) external returns (bool)​

  • _to: The address of the staking destination
  • _amount: The number of the staking amount

Stakes DEV tokens to the address specified by _to, with the amount specified by _amount.

function depositFrom(address _from, address _to, uint256 _amount) external returns (bool)​

  • _from: The address of the spender
  • _to: The address of the staking destination
  • _amount: The number of the staking amount

Stakes DEV tokens from the address specified by _from to the address specified by _to, with the amount specified by _amount.

Before calling the method, the spender must grant sufficient allowances. If the allowance is insufficient, the allowance needs to be added by calling the approve method.

function totalSupply() external view returns (uint256)​

Returns the latest total supply of DEV tokens.

function balanceOf(address account) external view returns (uint256)​

Returns the balance of the address specified by account.

function transfer(address recipient, uint256 amount) external returns (bool)​

Transfers DEV tokens to the address specified by recipient, with the amount specified by amount.

function transferFrom(address sender, address recipient, uint256 amount) external returns (bool)​

function allowance(address owner, address spender) external view returns (uint256)​

function approve(address spender, uint256 amount) external returns (bool)​

function name() public view returns (string memory)​

Returns the token name Dev

function symbol() public view returns (string memory)​

Returns the token symbol DEV

function decimals() public view returns (uint8)​

Returns the token decimals 18