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mango-v4
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ts-client: Fix serum taker fee computation (#573)

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Christian Kamm 2023-05-05 09:11:47 +02:00 committed by GitHub
parent 2f4976e81f
commit 3600b6592c
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2 changed files with 3 additions and 3 deletions
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2
ts/client/src/accounts/serum3.ts
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@ -81,7 +81,7 @@ export class Serum3Market {
this.name === 'USDT/USDC'
? { maker: -0.5, taker: 1 }
: { maker: -2, taker: 4 };
return taker ? ratesBps.maker * 0.0001 : ratesBps.taker * 0.0001;
return taker ? ratesBps.taker * 0.0001 : ratesBps.maker * 0.0001;
}
/**

4
ts/client/src/client.ts
View File

@ -1612,12 +1612,12 @@ export class MangoClient {
const limitPrice = serum3MarketExternal.priceNumberToLots(price);
const maxBaseQuantity = serum3MarketExternal.baseSizeNumberToLots(size);
const isTaker = orderType !== Serum3OrderType.postOnly;
const maxQuoteQuantity = new BN(
const maxQuoteQuantity = new BN(Math.ceil(
serum3MarketExternal.decoded.quoteLotSize.toNumber() *
(1 + Math.max(serum3Market.getFeeRates(isTaker), 0)) *
serum3MarketExternal.baseSizeNumberToLots(size).toNumber() *
serum3MarketExternal.priceNumberToLots(price).toNumber(),
);
));
const payerTokenIndex = ((): TokenIndex => {
if (side == Serum3Side.bid) {