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• interface TokenInterfaceV5
•    - function burn(address, uint256)
•    - function mint(address, uint256)
•    - function transfer(address, uint256)
•    - function transferFrom(address, addres ...
•    - function balanceOf(address)
•    - function hasRole(bytes32, address)
•    - function approve(address, uint256)
•    - function allowance(address, address)
•  contract GFarmTokenMigration *
•    - function setNewToken(TokenInterfaceV5 ...
•    - function migrateToNewToken(uint _amou ...

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/**
 *Submitted for verification at polygonscan.com on 2021-10-27
*/

// File: contracts\interfaces\TokenInterfaceV5.sol

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

interface TokenInterfaceV5{
    function burn(address, uint256) external;
    function mint(address, uint256) external;
    function transfer(address, uint256) external returns (bool);
    function transferFrom(address, address, uint256) external returns(bool);
    function balanceOf(address) external view returns(uint256);
    function hasRole(bytes32, address) external view returns (bool);
    function approve(address, uint256) external returns (bool);
    function allowance(address, address) external view returns (uint256);
}

// File: contracts\GFarmTokenMigration.sol

pragma solidity 0.8.7;

contract GFarmTokenMigration{

	address public immutable gov;
	TokenInterfaceV5 public immutable oldToken;
	TokenInterfaceV5 public newToken;

	constructor(address _gov, TokenInterfaceV5 _oldToken){
		oldToken = _oldToken;
		gov = _gov;
	}

	// Set token after contract deployed
	// => can give minting role to this contract when deploy new token
	function setNewToken(TokenInterfaceV5 _newToken) external{
		require(msg.sender == gov, "NOT_GOV");
		require(address(_newToken) != address(0), "ADDRESS_0");
		require(address(newToken) == address(0), "ALREADY_SET");
		newToken = _newToken;
	}

	// Send x amount of GFARM2 tokens and receive 1000x GNS tokens.
	function migrateToNewToken(uint _amount) external{
		require(oldToken.balanceOf(msg.sender) >= _amount, "BALANCE_TOO_LOW");
		oldToken.transferFrom(msg.sender, address(this), _amount);
		newToken.mint(msg.sender, _amount*1000);
	}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_gov","type":"address"},{"internalType":"contract TokenInterfaceV5","name":"_oldToken","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"gov","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"migrateToNewToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"newToken","outputs":[{"internalType":"contract TokenInterfaceV5","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"oldToken","outputs":[{"internalType":"contract TokenInterfaceV5","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract TokenInterfaceV5","name":"_newToken","type":"address"}],"name":"setNewToken","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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000000000000000000000000c66fbe50dd33c9aadd65707f7088d597c86fe00f0000000000000000000000007075cab6bcca06613e2d071bd918d1a0241379e2

-----Decoded View---------------
Arg [0] : _gov (address): 0xC66FbE50Dd33c9AAdd65707F7088D597C86fE00F
Arg [1] : _oldToken (address): 0x7075cAB6bCCA06613e2d071bd918D1a0241379E2

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000c66fbe50dd33c9aadd65707f7088d597c86fe00f
Arg [1] : 0000000000000000000000007075cab6bcca06613e2d071bd918d1a0241379e2

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ipfs://eed5e1d0bdb0eb74e623adad47e75a90aeaf55d2606541ea6ef24699296a8be1