From 264479d57b63edc0419f711e03dd65a13bf18e56 Mon Sep 17 00:00:00 2001
From: Virgil <virgil@lethean.io>
Date: Sun, 5 Apr 2026 01:23:50 +0000
Subject: [PATCH] fix(pool): roll back failed submit tracking

Co-Authored-By: Virgil <virgil@lethean.io>
---
 pool/impl.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pool/impl.go b/pool/impl.go
index ee475d4..13648fd 100644
--- a/pool/impl.go
+++ b/pool/impl.go
@@ -138,7 +138,11 @@ func (c *StratumClient) Submit(jobID, nonce, result, algo string) int64 {
 			"algo":   algo,
 		},
 	}
-	_ = c.writeJSON(req)
+	if err := c.writeJSON(req); err != nil {
+		c.mu.Lock()
+		delete(c.pending, seq)
+		c.mu.Unlock()
+	}
 	return seq
 }