Kijan pou m konvèti pri an dola ameriken an goud pou peman MonCash?
asked a month ago588 viewsht
2
Pwodwi m yo gen pri an USD (nou enpòte yo), men MonCash resevwa goud. Pousantaj echanj la chanje chak jou. Kijan pou m jere sa?
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asked a month ago
Nadège Paul 1.5k
1 Answer
3
✓✓ Accepted answer
Prensip la: fikse pousantaj la nan moman kòmand lan, epi kenbe tras li.
1. Sous pousantaj la
- Chwazi yon sèl sous epi toujou sèvi ak li: pousantaj referans BRH (Bank la Repiblik d Ayiti), oswa pousantaj bank ou. Ekri nan kondisyon itilizasyon w ki sous ou itilize.
- Mete l ajou otomatikman (yon fwa pa jou), oswa manyèlman pa yon administratè, epi kenbe istwa a nan yon tab:
CREATE TABLE exchange_rates (
day date PRIMARY KEY,
usd_to_htg numeric(10,4) NOT NULL,
source text NOT NULL
);
2. Nan moman kòmand lan
const rate = await currentRate(); // eg. 131.2500
const totalHtg = Math.ceil(order.totalUsd * rate); // awondi an goud antye, anlè
await db.order.update({
where: { id: order.id },
data: { totalHtg, rateUsed: rate, rateDay: today }, // kenbe pousantaj la ak kòmand lan
});
3. Montre kliyan an pri an goud (se sa l ap peye), epi eksplike: "Pri an goud valab pandan 30 minit."
Pa janm rekalkile pri a apre kliyan an fin kòmanse peye. Montan ou voye bay MonCash la dwe egal total ou te montre l la, sinon verifikasyon montan an ap echwe.
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answered a month ago
Jean Pierre 5.1k
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