35 lines
1.5 KiB
Solidity
35 lines
1.5 KiB
Solidity
// SPDX-License-Identifier: GPL-2.0-or-later
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pragma solidity >=0.7.5;
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pragma abicoder v2;
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import './IMulticall.sol';
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import './ISelfPermit.sol';
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import './IPoolInitializer.sol';
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/// @title V3 Migrator
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/// @notice Enables migration of liqudity from Uniswap v2-compatible pairs into Uniswap v3 pools
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interface IV3Migrator is IMulticall, ISelfPermit, IPoolInitializer {
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struct MigrateParams {
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address pair; // the Uniswap v2-compatible pair
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uint256 liquidityToMigrate; // expected to be balanceOf(msg.sender)
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uint8 percentageToMigrate; // represented as a numerator over 100
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address token0;
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address token1;
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uint24 fee;
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int24 tickLower;
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int24 tickUpper;
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uint256 amount0Min; // must be discounted by percentageToMigrate
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uint256 amount1Min; // must be discounted by percentageToMigrate
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address recipient;
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uint256 deadline;
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bool refundAsETH;
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}
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/// @notice Migrates liquidity to v3 by burning v2 liquidity and minting a new position for v3
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/// @dev Slippage protection is enforced via `amount{0,1}Min`, which should be a discount of the expected values of
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/// the maximum amount of v3 liquidity that the v2 liquidity can get. For the special case of migrating to an
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/// out-of-range position, `amount{0,1}Min` may be set to 0, enforcing that the position remains out of range
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/// @param params The params necessary to migrate v2 liquidity, encoded as `MigrateParams` in calldata
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function migrate(MigrateParams calldata params) external;
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}
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