From 514f862b81e0b30aca20050869660f469e957d95 Mon Sep 17 00:00:00 2001
From: Roman Khimov <roman@nspcc.ru>
Date: Mon, 18 May 2020 18:22:07 +0300
Subject: [PATCH] compiler|transaction: fix transaction.GetScript build, add to
 interop

There is no such syscall as Neo.Transaction.GetScript and GetScript should be
available for contract's use.
---
 pkg/compiler/syscall.go                | 2 +-
 pkg/interop/transaction/transaction.go | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/pkg/compiler/syscall.go b/pkg/compiler/syscall.go
index a470f34fb..2459a49e6 100644
--- a/pkg/compiler/syscall.go
+++ b/pkg/compiler/syscall.go
@@ -69,7 +69,7 @@ var syscalls = map[string]map[string]string{
 		"GetOutputs":      "Neo.Transaction.GetOutputs",
 		"GetReferences":   "Neo.Transaction.GetReferences",
 		"GetUnspentCoins": "Neo.Transaction.GetUnspentCoins",
-		"GetScript":       "Neo.Transaction.GetScript",
+		"GetScript":       "Neo.InvocationTransaction.GetScript",
 	},
 	"asset": {
 		"Create":       "Neo.Asset.Create",
diff --git a/pkg/interop/transaction/transaction.go b/pkg/interop/transaction/transaction.go
index 1d863f5c3..354fcf019 100644
--- a/pkg/interop/transaction/transaction.go
+++ b/pkg/interop/transaction/transaction.go
@@ -48,3 +48,10 @@ func GetInputs(t Transaction) []input.Input {
 func GetOutputs(t Transaction) []output.Output {
 	return []output.Output{}
 }
+
+// GetScript returns the script stored in a given Invocation transaction.
+// Calling it for any other Transaction type would lead to failure. It uses
+// `Neo.InvocationTransaction.GetScript` syscall.
+func GetScript(t Transaction) []byte {
+	return nil
+}