From e511c442e682908be1d7c7120eef09f080b94af7 Mon Sep 17 00:00:00 2001
From: Christian Machacek <39452430+machacekch@users.noreply.github.com>
Date: Tue, 11 May 2021 00:55:51 +0200
Subject: [PATCH] fix: improve findProgramAddress error when MAX_SEED_LENGTH is
 exceeded (#17151)

---
 web3.js/src/publickey.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/web3.js/src/publickey.ts b/web3.js/src/publickey.ts
index 66f5945066..4837f545a3 100644
--- a/web3.js/src/publickey.ts
+++ b/web3.js/src/publickey.ts
@@ -113,7 +113,7 @@ export class PublicKey {
     let buffer = Buffer.alloc(0);
     seeds.forEach(function (seed) {
       if (seed.length > MAX_SEED_LENGTH) {
-        throw new Error(`Max seed length exceeded`);
+        throw new TypeError(`Max seed length exceeded`);
       }
       buffer = Buffer.concat([buffer, toBuffer(seed)]);
     });
@@ -148,6 +148,9 @@ export class PublicKey {
         const seedsWithNonce = seeds.concat(Buffer.from([nonce]));
         address = await this.createProgramAddress(seedsWithNonce, programId);
       } catch (err) {
+        if (err instanceof TypeError) {
+          throw err;
+        }
         nonce--;
         continue;
       }