Module 5: Maker fee

A broker or a desk can be paid inside the same transaction. The maker sets the share, at most 10%, and names the wallet. The taker pays the same amount either way. There is no protocol fee and no treasury.

Status

Ready

Signed

Share + recipient

Code · OrbuSettlementDesk.sol

uint256 fee = (paid * o.policy.feeBps) / 10_000;
// ...
o.buyToken.pull(msg.sender, o.maker, paid - fee);
if (fee != 0) o.buyToken.pull(msg.sender, recipient, fee);

Tests that cover it

test_makerFeeComesOutOfTheMakersProceeds
test_feeRecipientCannotFill
testFuzz_feeNeverExceedsCapAndAddsUp

What it does

Optional. A signed share of the maker's proceeds goes to a named recipient. Default none.

On chain

Desk: Not deployed yet
Enforced: —
Roster: Opens after the token launches
Reads: the fill amount

Use it in an order