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feat: 优化Paradex网关的订单金额处理逻辑，确保平仓时正确传递金额参数

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discountry
2025-10-08 19:53:44 +08:00
parent e96cbb6ff4
commit 400c7ad4b7
1 changed files with 10 additions and 10 deletions
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src/exchanges/paradex/gateway.ts
+10 -10
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@@ -574,24 +574,20 @@ export class ParadexGateway {
: (this.exchange.markets ?? {})[symbol]; : (this.exchange.markets ?? {})[symbol];
const precisionDigits = Number((market?.precision?.amount ?? market?.amountPrecision)); const precisionDigits = Number((market?.precision?.amount ?? market?.amountPrecision));
const limitMin = Number(market?.limits?.amount?.min); const limitMin = Number(market?.limits?.amount?.min);
const minByPrecision = Number.isFinite(precisionDigits) && precisionDigits > 0 // Only trust explicit exchange min limit; do NOT infer 1 from precision=0
? Number(Math.pow(10, -precisionDigits).toFixed(Math.max(0, precisionDigits))) const minAmount = Number.isFinite(limitMin) && limitMin > 0 ? limitMin : undefined;
: undefined;
const minAmount = Number.isFinite(limitMin) && limitMin > 0
? limitMin
: (minByPrecision ?? undefined);
// If closePosition is requested and amount is missing or too small, bump to minimum allowed // If closePosition is requested and amount is missing or too small, bump to minimum allowed
const isClosePosition = (extraParams as any).closePosition === true; const isClosePosition = (extraParams as any).closePosition === true;
if (isClosePosition) { if (isClosePosition) {
const current = Number(amount); const current = Number(amount);
if (!Number.isFinite(current) || current <= 0 || (Number.isFinite(minAmount) && current < (minAmount as number))) { if (!Number.isFinite(current) || current <= 0 || (minAmount !== undefined && current < minAmount)) {
amount = (minAmount as number) ?? 1e-5; // sensible fallback if market data is missing amount = (minAmount as number) ?? 1e-5; // fallback if market data is missing
} }
} }
// Quantize to exchange precision if helper is available // Quantize to exchange precision if helper is available
if (typeof (this.exchange as any).amountToPrecision === "function" && Number.isFinite(Number(amount))) { if (!isClosePosition && typeof (this.exchange as any).amountToPrecision === "function" && Number.isFinite(Number(amount))) {
amount = Number((this.exchange as any).amountToPrecision(symbol, amount)); amount = Number((this.exchange as any).amountToPrecision(symbol, amount));
} }
} catch (_normalizeError) { } catch (_normalizeError) {
@@ -599,11 +595,15 @@ export class ParadexGateway {
} }
try { try {
const isClosePosition = (extraParams as any).closePosition === true;
// When closePosition is true, many exchanges (incl. Paradex) accept omitting amount
// and will close the entire position. Passing a larger min amount may violate reduceOnly.
const amountArg: any = isClosePosition ? undefined : amount;
const order = (await this.exchange.createOrder( const order = (await this.exchange.createOrder(
symbol, symbol,
type, type,
side, side,
amount, amountArg,
price, price,
extraParams extraParams
)) as CcxtOrder; )) as CcxtOrder;