fix: key length check when decoding instructions

solana-labs · May 19, 2020 · 00c6362 · 00c6362
1 parent 8813226
commit 00c6362
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/system-program.js b/src/system-program.js
@@ -471,9 +471,9 @@ export class SystemInstruction {
    * @private
    */
   static checkKeyLength(keys: Array<any>, expectedLength: number) {
-    if (keys.length !== expectedLength) {
+    if (keys.length < expectedLength) {
       throw new Error(
-        `invalid instruction; key length mismatch ${keys.length} != ${expectedLength}`,
+        `invalid instruction; found ${keys.length} keys, expected at least ${expectedLength}`,
       );
     }
   }