From 352d02d3ca3187abd139d368988cd322df34897c Mon Sep 17 00:00:00 2001
From: Tanmay <tanmay.bhattacharya.smit@gmail.com>
Date: Thu, 5 Feb 2026 08:19:58 -0500
Subject: [PATCH] skip gas refund for coin-type zeta

---
 zetaclient/chains/evm/observer/outbound.go | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/zetaclient/chains/evm/observer/outbound.go b/zetaclient/chains/evm/observer/outbound.go
index e6bae1a3d6..b18fd1e243 100644
--- a/zetaclient/chains/evm/observer/outbound.go
+++ b/zetaclient/chains/evm/observer/outbound.go
@@ -100,13 +100,21 @@ func (ob *Observer) postVoteOutbound(
 
 	signerAddress := ob.ZetaRepo().GetOperatorAddress()
 
+	// For ZETA coin type, set gas values to 0 to skip the refund logic in zetacore.
+	gasUsed := receipt.GasUsed
+	gasPrice := math.NewIntFromBigInt(transaction.GasPrice())
+	if coinType == coin.CoinType_Zeta {
+		gasUsed = 0
+		gasPrice = math.NewInt(0)
+	}
+
 	msg := crosschaintypes.NewMsgVoteOutbound(
 		signerAddress,
 		cctxIndex,
 		receipt.TxHash.Hex(),
 		receipt.BlockNumber.Uint64(),
-		receipt.GasUsed,
-		math.NewIntFromBigInt(transaction.GasPrice()),
+		gasUsed,
+		gasPrice,
 		transaction.Gas(),
 		math.NewUintFromBigInt(receiveValue),
 		receiveStatus,