set_fees

An entrypoint that setups interface fee, swap fee, and auction fee that applies in time of each swap or flash_swap. Also it setups a reward for withdrawing auction fee that applies in time of calling withdraw_auction_fee entrypoint by any user.

Call parameters

type fees_t             is [@layout:comb] record [
  interface_fee           : nat;
  swap_fee                : nat;
  auction_fee             : nat;
  withdraw_fee_reward     : nat;
]

Field	Type	Hint	Description
interface_fee	nat	Float value multiplied by 1e+18	Fee that goes to referrers or UI/UX providers
swap_fee	nat	Float value multiplied by 1e+18	Fee that goes to the liquidity pool (for liquidity providers)
auction_fee	nat	Float value multiplied by 1e+18	Fee that goes to the Auction contract
withdraw_fee_reward	nat	Float value multiplied by 1e+18	The % of the rewards that will be transferred to the transaction sender when he calls withdraw_auction_fee entrypoint

Usage

🌮 Taquito

const interfaceFee = 0.05 * 10 ** 18; // 0.05%
const swapFee = 0.05 * 10 ** 18; // 0.05%
const auctionFee = 0.4 * 10 ** 18; // 0.4%
const withdrawFeeReward = 3 * 10 ** 18; // 3%
const dexCoreAddress = "KT1...";
const fees = {
    interface_fee: interfaceFee,
    swap_fee: swapFee,
    auction_fee: auctionFee,
    withdraw_fee_reward: withdrawFeeReward,
};
const dexCore = await tezos.contract.at(dexCoreAddress);
const operation = await dexCore.methodsObject.set_fees(fees).send();

await operation.confirmation();

Errors

• 400 - sender of the transaction is not current administrator.

• 412 - non payable entrypoint (can't accept TEZ tokens during call of an entrypoint).