From c709b9b284706d18982fb184bba857b859b641f1 Mon Sep 17 00:00:00 2001
From: einhornimmond <dario.rekowski@gmx.de>
Date: Tue, 4 May 2021 13:51:49 +0200
Subject: [PATCH] compare pubkeys direct in json call

---
 .../src/cpp/JSONInterface/JsonCreateTransaction.cpp         | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/login_server/src/cpp/JSONInterface/JsonCreateTransaction.cpp b/login_server/src/cpp/JSONInterface/JsonCreateTransaction.cpp
index 7473b178f..381ded7e5 100644
--- a/login_server/src/cpp/JSONInterface/JsonCreateTransaction.cpp
+++ b/login_server/src/cpp/JSONInterface/JsonCreateTransaction.cpp
@@ -121,8 +121,12 @@ Poco::JSON::Object* JsonCreateTransaction::transfer(Poco::Dynamic::Var params)
 			result = stateError("user not in group", "receiver user isn't in target group");
 		}
 	}
+	auto sender_user = mSession->getNewUser();
+	if (sender_user->getGradidoKeyPair()->isTheSame(*target_pubkey)) {
+		result = stateError("sender and receiver are the same");
+	}
 	if (!result) {
-		auto transaction = model::gradido::Transaction::createTransfer(mSession->getNewUser(), target_pubkey, mTargetGroup, amount, mMemo, mBlockchainType);
+		auto transaction = model::gradido::Transaction::createTransfer(sender_user, target_pubkey, mTargetGroup, amount, mMemo, mBlockchainType);
 
 		if (mAutoSign) {
 			Poco::JSON::Array errors;