33 lines
1.5 KiB
Solidity
33 lines
1.5 KiB
Solidity
// SPDX-License-Identifier: GPL-3.0-or-later
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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pragma solidity >=0.7.0 <0.9.0;
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library BasePoolUserData {
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// Special ExitKind for all pools, used in Recovery Mode. Use the max 8-bit value to prevent conflicts
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// with future additions to the ExitKind enums (or any front-end code that maps to existing values)
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uint8 public constant RECOVERY_MODE_EXIT_KIND = 255;
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// Return true if this is the special exit kind.
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function isRecoveryModeExitKind(bytes memory self) internal pure returns (bool) {
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// Check for the "no data" case, or abi.decode would revert
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return self.length > 0 && abi.decode(self, (uint8)) == RECOVERY_MODE_EXIT_KIND;
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}
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// Parse the bptAmountIn out of the userData
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function recoveryModeExit(bytes memory self) internal pure returns (uint256 bptAmountIn) {
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(, bptAmountIn) = abi.decode(self, (uint8, uint256));
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}
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}
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