From 37476ea4bc8c0055d3bea9b2a2ede98157da03a0 Mon Sep 17 00:00:00 2001
From: discountry <feibilanceon@gmail.com>
Date: Wed, 26 Nov 2025 22:53:36 +0800
Subject: [PATCH] fix: ensure explicit size is always sent for close-position
 MARKET orders in ParadexGateway to comply with exchange requirements

---
 src/exchanges/paradex/gateway.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/exchanges/paradex/gateway.ts b/src/exchanges/paradex/gateway.ts
index 236bfd0..3df8523 100644
--- a/src/exchanges/paradex/gateway.ts
+++ b/src/exchanges/paradex/gateway.ts
@@ -599,8 +599,8 @@ export class ParadexGateway {
 
     try {
       const isClosePosition = (extraParams as any).closePosition === true;
-      // Only omit amount for MARKET close-position orders; STOP requires explicit size
-      const shouldOmitAmount = isClosePosition && type === "market";
+      // Paradex requires explicit size for close-position MARKET orders; always send amount
+      const shouldOmitAmount = false;
       const amountArg: any = shouldOmitAmount ? undefined : amount;
       if (!shouldOmitAmount && amountArg != null && extraParams.size === undefined) {
         extraParams.size = amountArg.toString();