ILockKeyPurchaseHook
Functions to be implemented by a keyPurchaseHook.
Lock hooks are configured by calling setEventHooks on the lock.
Methods​
keyPurchasePrice​
function keyPurchasePrice(address from, address recipient, address referrer, bytes data) external view returns (uint256 minKeyPrice)
Used to determine the purchase price before issueing a transaction. This allows the hook to offer a discount on purchases. This may revert to prevent a purchase.
the lock's address is the msg.sender when this function is called via the lock's purchasePriceFor function
Parameters​
| Name | Type | Description |
|---|---|---|
| from | address | the msg.sender making the purchase |
| recipient | address | the account which will be granted a key |
| referrer | address | the account which referred this key sale |
| data | bytes | arbitrary data populated by the front-end which initiated the sale |
Returns​
| Name | Type | Description |
|---|---|---|
| minKeyPrice | uint256 | the minimum value/price required to purchase a key with these settings |
onKeyPurchase​
function onKeyPurchase(address from, address recipient, address referrer, bytes data, uint256 minKeyPrice, uint256 pricePaid) external nonpayable
If the lock owner has registered an implementer then this hook is called with every key sold.
the lock's address is the msg.sender when this function is called
Parameters​
| Name | Type | Description |
|---|---|---|
| from | address | the msg.sender making the purchase |
| recipient | address | the account which will be granted a key |
| referrer | address | the account which referred this key sale |
| data | bytes | arbitrary data populated by the front-end which initiated the sale |
| minKeyPrice | uint256 | the price including any discount granted from calling this hook's keyPurchasePrice function |
| pricePaid | uint256 | the value/pricePaid included with the purchase transaction |