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update buyout

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This commit is contained in:
owen05
2021-04-28 15:07:28 +08:00
parent fd0790fb44
commit 2485ab6b56
4 changed files with 30 additions and 7 deletions
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15
contracts/GeneralizedFragment/impl/Fragment.sol
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@@ -26,11 +26,13 @@ contract Fragment is InitializableERC20 {
bool public _IS_OPEN_BUYOUT_;
uint256 public _BUYOUT_TIMESTAMP_;
uint256 public _BUYOUT_PRICE_;
uint256 public _DEFAULT_BUYOUT_FEE_;
address public _COLLATERAL_VAULT_;
address public _VAULT_PRE_OWNER_;
address public _QUOTE_;
address public _DVM_;
address public _DEFAULT_MAINTAINER_;
bool internal _FRAG_INITIALIZED_;
@@ -49,7 +51,9 @@ contract Fragment is InitializableERC20 {
address collateralVault,
uint256 _totalSupply,
uint256 ownerRatio,
uint256 buyoutTimestamp
uint256 buyoutTimestamp,
address defaultMaintainer,
uint256 defaultBuyoutFee
) external {
require(!_FRAG_INITIALIZED_, "DODOFragment: ALREADY_INITIALIZED");
_FRAG_INITIALIZED_ = true;
@@ -60,6 +64,8 @@ contract Fragment is InitializableERC20 {
_VAULT_PRE_OWNER_ = vaultPreOwner;
_COLLATERAL_VAULT_ = collateralVault;
_BUYOUT_TIMESTAMP_ = buyoutTimestamp;
_DEFAULT_MAINTAINER_ = defaultMaintainer;
_DEFAULT_BUYOUT_FEE_ = defaultBuyoutFee;
// init FRAG meta data
string memory prefix = "FRAG_";
@@ -99,11 +105,14 @@ contract Fragment is InitializableERC20 {
);
uint256 redeemFrag = totalSupply.sub(balances[address(this)]).sub(balances[_VAULT_PRE_OWNER_]);
uint256 preOwnerQuote = payQuote.sub(DecimalMath.mulCeil(_BUYOUT_PRICE_, redeemFrag));
uint256 ownerQuoteWithoutFee = IERC20(_QUOTE_).balanceOf(address(this)).sub(DecimalMath.mulCeil(_BUYOUT_PRICE_, redeemFrag));
_clearBalance(address(this));
_clearBalance(_VAULT_PRE_OWNER_);
IERC20(_QUOTE_).safeTransfer(_VAULT_PRE_OWNER_, preOwnerQuote);
uint256 buyoutFee = DecimalMath.mulFloor(ownerQuoteWithoutFee, _DEFAULT_BUYOUT_FEE_);
IERC20(_QUOTE_).safeTransfer(_DEFAULT_MAINTAINER_, buyoutFee);
IERC20(_QUOTE_).safeTransfer(_VAULT_PRE_OWNER_, ownerQuoteWithoutFee.sub(buyoutFee));
ICollateralVault(_COLLATERAL_VAULT_).directTransferOwnership(newVaultOwner);

4
contracts/GeneralizedFragment/intf/IFragment.sol
View File

@@ -16,7 +16,9 @@ interface IFragment {
address collateralVault,
uint256 totalSupply,
uint256 ownerRatio,
uint256 buyoutTimestamp
uint256 buyoutTimestamp,
address defaultMaintainer,
uint256 defaultBuyoutFee
) external;
function buyout(address newVaultOwner) external;