NFT Migrator V3
Review UNCX NFT Migrator V3 function parameters and return values for liquidity migration and ERC-721 token receipt handling.
Functions Write
Section titled “Functions Write ”Migrate
Section titled “Migrate ”function migrate ( uint256 _lockId, INonfungiblePositionManager _nftPositionManager, uint256 _tokenId) external returns (bool)Enables migration of liqudity from Uniswap Locker V2 into Locker V3.
Parameters:
| Name | Type | Description |
|---|---|---|
| _lockId | uint256 | ID of the lock to be migrated from the older contract. |
| _nftPositionManager | INonfungiblePositionManager | The position manager for the NFT. |
| _tokenId | uint256 | ID of the NFT token to be transferred and then approved for the new reserves contract. |
Return Values:
| Type | Description |
|---|---|
| bool | Returns true once the migration process is successfully completed. |
Functions Wiew
Section titled “Functions Wiew ”OnERC721Received
Section titled “OnERC721Received ”Parameters:
| Name | Type | Description |
|---|---|---|
| operator | address | Address initiating the transfer or creation. This could be an external or contract address. |
| from | address | Address from which the token was sent. |
| tokenId | uint256 | Unique identifier for the token being transferred. |
| data | bytes | Additional data accompanying the transfer or minting call. |
Return Values:
| Type | Description |
|---|---|
| bytes4 | Function selector for the onERC721Received function, confirming successful token receipt. |