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121/// @notice Set cooldown duration. If cooldown duration is set to zero, the StakedAvUSDV2 behavior changes to follow ERC4626 standard and disables cooldownShares and cooldownAssets methods. If cooldown duration is greater than zero, the ERC4626 withdrawal and redeem functions are disabled, breaking the ERC4626 standard, and enabling the cooldownShares and the cooldownAssets functions.
122/// @param duration Duration of the cooldown
123function setCooldownDuration(uint24 duration) external onlyRole(DEFAULT_ADMIN_ROLE) {
124  if (duration > MAX_COOLDOWN_DURATION) {
125    revert InvalidCooldown();
126  }
127
128  uint24 previousDuration = cooldownDuration;
129  cooldownDuration = duration;
130  emit CooldownDurationUpdated(previousDuration, cooldownDuration);
131}

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95/// @notice redeem assets and starts a cooldown to claim the converted underlying asset
96/// @param assets assets to redeem
97function cooldownAssets(uint256 assets) external ensureCooldownOn returns (uint256 shares) {
98  if (assets > maxWithdraw(msg.sender)) revert ExcessiveWithdrawAmount();
99
100  shares = previewWithdraw(assets);
101
102  cooldowns[msg.sender].cooldownEnd = uint104(block.timestamp) + cooldownDuration;
103  cooldowns[msg.sender].underlyingAmount += uint152(assets);
104
105  _withdraw(msg.sender, address(silo), msg.sender, assets, shares);
106}
107
108/// @notice redeem shares into assets and starts a cooldown to claim the converted underlying asset
109/// @param shares shares to redeem
110function cooldownShares(uint256 shares) external ensureCooldownOn returns (uint256 assets) {
111  if (shares > maxRedeem(msg.sender)) revert ExcessiveRedeemAmount();
112
113  assets = previewRedeem(shares);
114
115  cooldowns[msg.sender].cooldownEnd = uint104(block.timestamp) + cooldownDuration;
116  cooldowns[msg.sender].underlyingAmount += uint152(assets);
117
118  _withdraw(msg.sender, address(silo), msg.sender, assets, shares);
119}