VULN 1

[LOW] Immutables should be in uppercase

Proof of concept

Found in line 17 at 2023-07-escrow/src/Escrow.sol:

uint256 private immutable i_price;

Found in line 20 at 2023-07-escrow/src/Escrow.sol:

IERC20 private immutable i_tokenContract;

Found in line 21 at 2023-07-escrow/src/Escrow.sol:

address private immutable i_buyer;

Found in line 22 at 2023-07-escrow/src/Escrow.sol:

address private immutable i_seller;

Found in line 23 at 2023-07-escrow/src/Escrow.sol:

address private immutable i_arbiter;

Found in line 24 at 2023-07-escrow/src/Escrow.sol:

uint256 private immutable i_arbiterFee;

Mitigation

Immutables should be in uppercase, it helps to distinguish immutables from other types of variables and provides better code readability.