UniswapV2Locker (2.1)

Functions Write

LockLPToken

function lockLPToken (    address _lpToken,    uint256 _amount,    uint256 _unlock_date,    address payable _referral,    bool _fee_in_eth,    address payable _withdrawer,    uint16 _countryCode) external payable

Creates a new lock.

Parameters:

Name	Type	Description
_lpToken	address	The univ2 token address.
_amount	uint256	Amount of LP tokens to lock.
_unlock_date	uint256	The unix timestamp (in seconds) until unlock.
_referral	address	The referrer address if any or address(0) for none.
_fee_in_eth	bool	Fees can be paid in eth or in a secondary token such as UNCX with a discount on univ2 tokens.
_withdrawer	address	The user who can withdraw liquidity once the lock expires.
_countryCode	uint16	The code of the country from which the lock user account/business is from.

---

Relock

function relock (    uint256 _lockID,    uint256 _unlock_date) external

Extends a lock with a new unlock date.

Parameters:

Name	Type	Description
_lockID	uint256	The ID of the lock to be extended.
_unlock_date	uint256	The new unix timestamp (in seconds) until unlock. This must be greater than the current one.

---

Withdraw

function withdraw (    uint256 _lockID,    uint256 _amount) external

Withdraws a specified amount from a lock.

Parameters:

Name	Type	Description
_lockID	uint256	ID associated with the specific locked tokens.
_amount	uint256	Amount of tokens the user wishes to withdraw.

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IncrementLock

function incrementLock (    uint256 _lockID,    uint256 _amount) external

Increases the amount of tokens per a specific lock.

Parameters:

Name	Type	Description
_lockID	uint256	ID associated with the specific locked tokens.
_amount	uint256	Amount of tokens the contract or user wishes to lock/add.

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SplitLock

function splitLock (    uint256 _lockID,     uint256 _amount) external payable 

Splits a lock into two seperate locks.

Parameters:

Name	Type	Description
_lockID	uint256	ID associated with the specific locked tokens.
_amount	uint256	Amount of tokens the user wishes to split.

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TransferLockOwnership

function transferLockOwnership (    uint256 _lockID,     address payable _newOwner) external

Transfers a lock to a new owner.

Parameters:

Name	Type	Description
_lockID	uint256	ID associated with the specific locked tokens.
_newOwner	address	The new owner's address to transfer the lock to.

---

Migrate

function migrate (    uint256 _lockID,     uint256 _amount,     uint256 _migration_option) external 

Migrates liquidity to the next release of an AMM

Parameters:

Name	Type	Description
_lockID	uint256	ID associated with the specific locked tokens.
_amount	uint256	Amount of tokens the user wishes to migrate.
_migration_option	uint256	Option to be used as an AMM selector during migration.

---

Functions View

GetNumLocksForToken

function getNumLocksForToken (address _lpToken) external view returns (uint256)

Parameters:

Name	Type	Description
_lpToken	address	Address of the LP token.

Return Values:

Type	Description
uint256	Number of locks for the specified LP token.

---

GetNumLockedTokens

function getNumLockedTokens () external view returns (uint256)

Return Values:

Type	Description
uint256	Number of unique locked tokens.

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GetLockedTokenAtIndex

function getLockedTokenAtIndex (uint256 _index) external view returns (address)

Parameters:

Name	Type	Description
_index	uint256	Index of the locked token.

Return Values:

Type	Description
address	Address of the locked token at the specified index.

---

GetUserNumLockedTokens

function getUserNumLockedTokens (address _user) external view returns (uint256)

Parameters:

Name	Type	Description
_user	address	Address of the user.

Return Values:

Type	Description
uint256	Number of unique tokens locked by the user.

---

GetUserLockedTokenAtIndex

function getUserLockedTokenAtIndex (address _user, uint256 _index) external view returns (address)

Parameters:

Name	Type	Description
_user	address	Address of the user.
_index	uint256	Index of the locked token.

Return Values:

Type	Description
address	Address of the locked token at the specified index for the user.

---

GetUserNumLocksForToken

function getUserNumLocksForToken (address _user, address _lpToken) external view returns (uint256)

Parameters:

Name	Type	Description
_user	address	Address of the user.

Return Values:

Type	Description
uint256	Number of unique tokens locked by the user.

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GetUserLockForTokenAtIndex

function getUserLockForTokenAtIndex (    address _user,     address _lpToken,     uint256 _index) external view   returns (TokenLock memory)

Parameters:

Name	Type	Description
_user	address	Address of the user.
_index	uint256	Index of the locked token.

Return Values:

Type	Description
address	Address of the locked token at the specified index for the user.

---

GetWhitelistedUsersLength

function getWhitelistedUsersLength () external view returns (uint256)

Parameters:

Name	Type	Description
_user	address	Address of the user.
_lpToken	address	Address of the LP token.

Return Values:

Type	Description
uint256	Number of locks for the specified LP token for the user.

---

GetWhitelistedUserAtIndex

function getWhitelistedUserAtIndex (uint256 _index) external view returns (address)

Parameters:

Name	Type	Description
_user	address	Address of the user.
_lpToken	address	Address of the LP token.
_index	uint256	Index of the locked token.

Return Values:

Type	Description
TokenLock	An object that contains: lpToken (address), lockDate (uint256), amount (uint256), initialAmount (uint256), unlockDate (uint256), lockID (uint256), owner (address), and countryCode (uint16).

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GetUserWhitelistStatus

function getUserWhitelistStatus (address _user) external view returns (bool)

Return Values:

Type	Description
uint256	Number of users on the whitelist.

Events

OnNewLock

event onNewLock(    uint256 indexed lockID,     address indexed lpToken,     address indexed owner,     uint256 amount,     uint256 lockDate,     uint256 unlockDate,     uint16 countryCode)

Parameters:

Name	Type	Description
lockID	uint256	ID of the new lock.
lpToken	address	The LP token involved in the lock.
owner	address	Address of the lock owner.
amount	uint256	Amount of tokens in the lock.
lockDate	uint256	Date when the tokens were locked.
unlockDate	uint256	Date when the tokens can be withdrawn.
countryCode	uint16	The country code of the locker or business.

---

OnRelock

event onRelock(    uint256 indexed lockID,     address indexed lpToken,     address indexed owner,     uint256 amountRemainingInLock,     uint256 liquidityFee,     uint256 unlockDate)

Parameters:

Name	Type	Description
lockID	uint256	ID of the relocked token.
lpToken	address	The LP token involved in the relock.
owner	address	Address of the lock owner.
amountRemainingInLock	uint256	Amount of tokens remaining in the lock.
liquidityFee	uint256	Fee associated with the liquidity.
unlockDate	uint256	Date when the tokens can be withdrawn.

---

OnWithdraw

event onWithdraw(    uint256 indexed lockID,     address indexed lpToken,     address indexed owner,     uint256 amountRemainingInLock,     uint256 amountRemoved)

Parameters:

Name	Type	Description
lockID	uint256	ID of the withdrawn lock.
lpToken	address	The LP token involved in the withdrawal.
owner	address	Address of the lock owner.
amountRemainingInLock	uint256	Amount of tokens remaining in the lock.
amountRemoved	uint256	Amount of tokens removed from the lock.

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OnIncrementLock

event onIncrementLock(    uint256 indexed lockID,     address indexed lpToken,     address indexed owner,     address payer,     uint256 amountRemainingInLock,     uint256 amountAdded,     uint256 liquidityFee)

Parameters:

Name	Type	Description
lockID	uint256	ID of the incremented lock.
lpToken	address	The LP token involved in the increment.
owner	address	Address of the lock owner.
payer	address	Address of the one who paid for the increment.
amountRemainingInLock	uint256	Amount of tokens remaining in the lock.
amountAdded	uint256	Amount of tokens added to the lock.
liquidityFee	uint256	Fee associated with the liquidity.

---

OnSplitLock

event onSplitLock(    uint256 indexed lockID,     address indexed lpToken,     address indexed owner,     uint256 amountRemainingInLock,     uint256 amountRemoved)

Parameters:

Name	Type	Description
lockID	uint256	ID of the split lock.
lpToken	address	The LP token involved in the split.
owner	address	Address of the lock owner.
amountRemainingInLock	uint256	Amount of tokens remaining in the lock.
amountRemoved	uint256	Amount of tokens removed during the split.

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OnTransferLockOwnership

event onTransferLockOwnership(    uint256 indexed lockID,     address indexed lpToken,     address indexed oldOwner,     address newOwner)

Parameters:

Name	Type	Description
lockID	uint256	ID of the lock whose ownership is transferred.
lpToken	address	The LP token involved in the transfer.
oldOwner	address	Address of the previous lock owner.
newOwner	address	Address of the new lock owner.

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OnMigrate

event OnMigrate(    uint256 indexed lockID,     address indexed lpToken,     address indexed owner,     uint256 amountRemainingInLock,     uint256 amountMigrated,     uint256 migrationOption)

Parameters:

Name	Type	Description
lockID	uint256	ID of the migrated lock.
lpToken	address	The LP token involved in the migration.
owner	address	Address of the lock owner.
amountRemainingInLock	uint256	Amount of tokens remaining in the lock.
amountMigrated	uint256	Amount of tokens migrated.
migrationOption	uint256	Option selected for migration.