Foundry Raffle Compilation Error.

[Rayyan-Uddin]

Hey everyone! need assistance with solving this compilation issue,


Thanks.

[EngrPips]

Hello @Rayyan-Uddin, It will be more helpful if you copy the error and paste it here with nice formatting, as I can see the information in the image you sent

[Rayyan-Uddin]

ok sure.

Compiler run failed:
Error (3656): Contract "Raffle" should be marked as abstract.
--> src/raffle.sol:34:1:
|
34 | contract Raffle is VRFConsumerBaseV2Plus {
| ^ (Relevant source part starts here and spans across multiple lines).
Note: Missing implementation:
--> lib/chainlink-brownie-contracts/contracts/src/v0.8/vrf/dev/VRFConsumerBaseV2Plus.sol:135:3:
|
135 | function fulfillRandomWords(uint256 requestId, uint256[] calldata randomWords) internal virtual;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Error (4266): Uninitialized "constant" variable.
--> src/raffle.sol:47:5:
|
47 | uint32 private constant NUM_WORD;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

Error (7407): Type bytes32 is not implicitly convertible to expected type uint256.
--> src/raffle.sol:61:21:
|
61 | i_keyHash = gasLane;
| ^^^^^^^

Error (9553): Invalid type for argument in function call. Invalid implicit conversion from uint256 to bytes32 requested.
--> src/raffle.sol:88:26:
|
88 | keyHash: i_keyHash,
| ^^^^^^^^^

[EngrPips]

Hello @Rayyan-Uddin, There is a lot of stuff wrong in your code at a time, so I think it is best that you compare your code with the official code of the lottery section. You can find the code here https://github.com/Cyfrin/foundry-smart-contract-lottery-cu

[Rayyan-Uddin]

Okay.