From dccf440dca07ef5327128e61cfdb2aa449f5d6f3 Mon Sep 17 00:00:00 2001
From: Roman Khimov <roman@nspcc.ru>
Date: Fri, 29 Nov 2019 18:00:08 +0300
Subject: [PATCH] rpc: skip input/outputs mangling if no gas is attached to
 invocation

---
 pkg/rpc/rpc.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/pkg/rpc/rpc.go b/pkg/rpc/rpc.go
index be9143085..d079142ef 100644
--- a/pkg/rpc/rpc.go
+++ b/pkg/rpc/rpc.go
@@ -167,8 +167,10 @@ func (c *Client) SignAndPushInvocationTx(script []byte, wif *keys.WIF, gas util.
 
 	fromAddress := wif.PrivateKey.Address()
 
-	if err = AddInputsAndUnspentsToTx(tx, fromAddress, gasID, gas, c); err != nil {
-		return txHash, errors.Wrap(err, "failed to add inputs and unspents to transaction")
+	if gas > 0 {
+		if err = AddInputsAndUnspentsToTx(tx, fromAddress, gasID, gas, c); err != nil {
+			return txHash, errors.Wrap(err, "failed to add inputs and unspents to transaction")
+		}
 	}
 
 	if err = SignTx(tx, wif); err != nil {