fix: skip settings on codeDiff if does not exisits (#26)

* fix: skip settings on codeDiff if does not exisits

* fix: add changeset

Author: brotherlymite

.changeset/quick-sites-shine.md

@@ -0,0 +1,6 @@
+---
+"@bgd-labs/toolbox": patch
+"@bgd-labs/cli": patch
+---
+
+Fix codeDiffs when no compiler settings provided by the explorer

packages/cli/src/tasks/code-diff.ts

@@ -56,7 +56,7 @@ export function registerCodeDiff(program: Command) {
             )
           : parseEtherscanStyleSourceCode(sources[0].SourceCode);
         const source2: StandardJsonInput = (
-          sources[0] as BlockscoutStyleSourceCode
+          sources[1] as BlockscoutStyleSourceCode
         ).AdditionalSources
           ? parseBlockscoutStyleSourceCode(
               sources[1] as BlockscoutStyleSourceCode,

packages/toolbox/src/operations/diffCode.ts

@@ -11,10 +11,10 @@ export async function diffCode(
 ) {
   const changes: Record<string, string> = {};
 
-  // diff settings
+  // diff settings (skip if either source doesn't have settings, e.g. some explorers don't return it)
   const settingsBefore = JSON.stringify(before.settings, null, 2);
   const settingsAfter = JSON.stringify(after.settings, null, 2);
-  if (settingsBefore !== settingsAfter)
+  if (settingsBefore && settingsAfter && settingsBefore !== settingsAfter)
     changes.settings = createPatch("settings", settingsBefore, settingsAfter);
   const contractsBefore = await Promise.all(
     Object.entries(before.sources).map(async ([path, source]) => [