add trim hash util

PeerMeHQ · Jul 29, 2022 · 73c3e87 · 73c3e87
1 parent 3ffedc6
commit 73c3e87
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Showing 2 changed files with 17 additions and 0 deletions.
diff --git a/src/Utils/Formatter.php b/src/Utils/Formatter.php
@@ -35,4 +35,12 @@ public static function numberToHumanReadableShort(int $num): string
 
         return $num;
     }
+
+    public static function trimHash(string $hash, int $keep = 10): string
+    {
+        $start = substr($hash, 0, $keep);
+        $end = substr($hash, -$keep);
+
+        return "{$start}...{$end}";
+    }
 }
diff --git a/tests/Utils/FormatterTest.php b/tests/Utils/FormatterTest.php
@@ -0,0 +1,9 @@
+<?php
+
+use Superciety\ElrondSdk\Utils\Formatter;
+
+it('trims a hash', function () {
+    $actual = Formatter::trimHash('4a770452b02f8511ebda39f9de29b8b7c3478cf87c64287d3bca7fd96a0595b9', 4);
+
+    expect($actual)->toBe('4a77...95b9');
+});