Check script null (#3198)

shargon · web-flow · commit 629baf819f9e · 2024-04-19T00:30:47.000-07:00
diff --git a/src/Neo/SmartContract/ContractParametersContext.cs b/src/Neo/SmartContract/ContractParametersContext.cs
@@ -44,7 +44,7 @@ public ContextItem(Contract contract)
 
             public ContextItem(JObject json)
             {
-                this.Script = Convert.FromBase64String(json["script"].AsString());
+                this.Script = json["script"] is JToken.Null ? null : Convert.FromBase64String(json["script"].AsString());
                 this.Parameters = ((JArray)json["parameters"]).Select(p => ContractParameter.FromJson((JObject)p)).ToArray();
                 this.Signatures = ((JObject)json["signatures"]).Properties.Select(p => new
                 {
@@ -56,7 +56,7 @@ public ContextItem(JObject json)
             public JObject ToJson()
             {
                 JObject json = new();
-                json["script"] = Convert.ToBase64String(Script);
+                json["script"] = Script == null ? null : Convert.ToBase64String(Script);
                 json["parameters"] = new JArray(Parameters.Select(p => p.ToJson()));
                 json["signatures"] = new JObject();
                 foreach (var signature in Signatures)

Original file line number	Diff line number	Diff line change
`@@ -44,7 +44,7 @@ public ContextItem(Contract contract)`
`44`	`44`
`45`	`45`	`public ContextItem(JObject json)`
`46`	`46`	`{`
`47`		`- this.Script = Convert.FromBase64String(json["script"].AsString());`
	`47`	`+ this.Script = json["script"] is JToken.Null ? null : Convert.FromBase64String(json["script"].AsString());`
`48`	`48`	`this.Parameters = ((JArray)json["parameters"]).Select(p => ContractParameter.FromJson((JObject)p)).ToArray();`
`49`	`49`	`this.Signatures = ((JObject)json["signatures"]).Properties.Select(p => new`
`50`	`50`	`{`
`@@ -56,7 +56,7 @@ public ContextItem(JObject json)`
`56`	`56`	`public JObject ToJson()`
`57`	`57`	`{`
`58`	`58`	`JObject json = new();`
`59`		`- json["script"] = Convert.ToBase64String(Script);`
	`59`	`+ json["script"] = Script == null ? null : Convert.ToBase64String(Script);`
`60`	`60`	`json["parameters"] = new JArray(Parameters.Select(p => p.ToJson()));`
`61`	`61`	`json["signatures"] = new JObject();`
`62`	`62`	`foreach (var signature in Signatures)`