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Exchange legacy token #78

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Merged
merged 1 commit into from
Jan 27, 2025
Merged

Exchange legacy token #78

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8 changes: 8 additions & 0 deletions contracts/CrosschainERC677.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -21,17 +21,20 @@ contract CrosschainERC677 is ERC20Burnable, IERC677 {
_;
}

ERC20Burnable public immutable legacyToken;
ERC20 public coToken;
address public minter;
uint8 private decimals_;

constructor(
ERC20Burnable _legacyToken,
ERC20 _coToken,
address _minter,
string memory _name,
string memory _symbol,
uint8 _decimals
) ERC20(_name, _symbol) {
legacyToken = _legacyToken;
coToken = _coToken;
minter = _minter;
decimals_ = _decimals;
Expand Down Expand Up @@ -71,6 +74,11 @@ contract CrosschainERC677 is ERC20Burnable, IERC677 {
coToken.safeTransfer(_to, _amount);
}

function exchange(uint256 _amount) public {
require(legacyToken.burnFrom(msg.sender, _amount), "burn failed");
_mint(msg.sender, _amount);
}

function mint(address _to, uint256 _amount) public onlyMinter returns (bool) {
require(_amount != 0, "amount is 0");
_mint(_to, _amount);
Expand Down
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