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owen05
2021-04-29 01:17:44 +08:00
parent 760b00f3e0
commit 40db8faa5f
1 changed files with 46 additions and 46 deletions
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92
contracts/GeneralizedFragment/impl/Fragment.sol
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@@ -85,71 +85,71 @@ contract Fragment is InitializableERC20 {
function buyout(address newVaultOwner) external { function buyout(address newVaultOwner) external {
require(_BUYOUT_TIMESTAMP_ != 0, "DODOFragment: NOT_SUPPORT_BUYOUT"); require(_BUYOUT_TIMESTAMP_ != 0, "DODOFragment: NOT_SUPPORT_BUYOUT");
require(block.timestamp > _BUYOUT_TIMESTAMP_, "DODOFragment: BUYOUT_NOT_START"); require(block.timestamp > _BUYOUT_TIMESTAMP_, "DODOFragment: BUYOUT_NOT_START");
require(!_IS_BUYOUT_, "DODOFragment: ALREADY_BUYOUT"); require(!_IS_BUYOUT_, "DODOFragment: ALREADY_BUYOUT");
_IS_BUYOUT_ = true; _IS_BUYOUT_ = true;
_BUYOUT_PRICE_ = IDVM(_DVM_).getMidPrice(); _BUYOUT_PRICE_ = IDVM(_DVM_).getMidPrice();
uint256 requireQuote = DecimalMath.mulCeil(_BUYOUT_PRICE_, totalSupply); uint256 requireQuote = DecimalMath.mulCeil(_BUYOUT_PRICE_, totalSupply);
uint256 payQuote = IERC20(_QUOTE_).balanceOf(address(this)); uint256 payQuote = IERC20(_QUOTE_).balanceOf(address(this));
require(payQuote >= requireQuote, "DODOFragment: QUOTE_NOT_ENOUGH"); require(payQuote >= requireQuote, "DODOFragment: QUOTE_NOT_ENOUGH");
IDVM(_DVM_).sellShares( IDVM(_DVM_).sellShares(
IERC20(_DVM_).balanceOf(address(this)), IERC20(_DVM_).balanceOf(address(this)),
address(this), address(this),
0, 0,
0, 0,
"", "",
uint256(-1) uint256(-1)
); );
uint256 redeemFrag = totalSupply.sub(balances[address(this)]).sub(balances[_VAULT_PRE_OWNER_]); uint256 redeemFrag = totalSupply.sub(balances[address(this)]).sub(balances[_VAULT_PRE_OWNER_]);
uint256 ownerQuoteWithoutFee = IERC20(_QUOTE_).balanceOf(address(this)).sub(DecimalMath.mulCeil(_BUYOUT_PRICE_, redeemFrag)); uint256 ownerQuoteWithoutFee = IERC20(_QUOTE_).balanceOf(address(this)).sub(DecimalMath.mulCeil(_BUYOUT_PRICE_, redeemFrag));
_clearBalance(address(this)); _clearBalance(address(this));
_clearBalance(_VAULT_PRE_OWNER_); _clearBalance(_VAULT_PRE_OWNER_);
uint256 buyoutFee = DecimalMath.mulFloor(ownerQuoteWithoutFee, _DEFAULT_BUYOUT_FEE_); uint256 buyoutFee = DecimalMath.mulFloor(ownerQuoteWithoutFee, _DEFAULT_BUYOUT_FEE_);
IERC20(_QUOTE_).safeTransfer(_DEFAULT_MAINTAINER_, buyoutFee); IERC20(_QUOTE_).safeTransfer(_DEFAULT_MAINTAINER_, buyoutFee);
IERC20(_QUOTE_).safeTransfer(_VAULT_PRE_OWNER_, ownerQuoteWithoutFee.sub(buyoutFee)); IERC20(_QUOTE_).safeTransfer(_VAULT_PRE_OWNER_, ownerQuoteWithoutFee.sub(buyoutFee));
ICollateralVault(_COLLATERAL_VAULT_).directTransferOwnership(newVaultOwner); ICollateralVault(_COLLATERAL_VAULT_).directTransferOwnership(newVaultOwner);
emit Buyout(newVaultOwner); emit Buyout(newVaultOwner);
} }
function redeem(address to, bytes calldata data) external { function redeem(address to, bytes calldata data) external {
require(_IS_BUYOUT_, "DODOFragment: NEED_BUYOUT"); require(_IS_BUYOUT_, "DODOFragment: NEED_BUYOUT");
uint256 baseAmount = balances[msg.sender]; uint256 baseAmount = balances[msg.sender];
uint256 quoteAmount = DecimalMath.mulFloor(_BUYOUT_PRICE_, baseAmount); uint256 quoteAmount = DecimalMath.mulFloor(_BUYOUT_PRICE_, baseAmount);
_clearBalance(msg.sender); _clearBalance(msg.sender);
IERC20(_QUOTE_).safeTransfer(to, quoteAmount); IERC20(_QUOTE_).safeTransfer(to, quoteAmount);
if (data.length > 0) { if (data.length > 0) {
IDODOCallee(to).NFTRedeemCall( IDODOCallee(to).NFTRedeemCall(
msg.sender, msg.sender,
quoteAmount, quoteAmount,
data data
); );
} }
emit Redeem(msg.sender, baseAmount, quoteAmount); emit Redeem(msg.sender, baseAmount, quoteAmount);
} }
function getBuyoutRequirement() external view returns (uint256 requireQuote){ function getBuyoutRequirement() external view returns (uint256 requireQuote){
require(_BUYOUT_TIMESTAMP_ != 0, "NOT SUPPORT BUYOUT"); require(_BUYOUT_TIMESTAMP_ != 0, "NOT SUPPORT BUYOUT");
require(!_IS_BUYOUT_, "ALREADY BUYOUT"); require(!_IS_BUYOUT_, "ALREADY BUYOUT");
uint256 price = IDVM(_DVM_).getMidPrice(); uint256 price = IDVM(_DVM_).getMidPrice();
requireQuote = DecimalMath.mulCeil(price, totalSupply); requireQuote = DecimalMath.mulCeil(price, totalSupply);
} }
function _clearBalance(address account) internal { function _clearBalance(address account) internal {
uint256 clearBalance = balances[account]; uint256 clearBalance = balances[account];
balances[account] = 0; balances[account] = 0;
balances[address(0)] = balances[address(0)].add(clearBalance); balances[address(0)] = balances[address(0)].add(clearBalance);
emit Transfer(account, address(0), clearBalance); emit Transfer(account, address(0), clearBalance);
} }
} }