From 6eaf7bbc94c7506c1064d3f7b8f3497cfb071308 Mon Sep 17 00:00:00 2001
From: iain nash <me@iain.in>
Date: Sat, 21 Oct 2023 09:05:16 -0400
Subject: [PATCH] update premint-sdk

---
 .changeset/brave-llamas-wash.md         |  5 ++++
 packages/premint-sdk/src/premint-api.ts | 37 ++++++++++++++++++++++++-
 2 files changed, 41 insertions(+), 1 deletion(-)
 create mode 100644 .changeset/brave-llamas-wash.md

diff --git a/.changeset/brave-llamas-wash.md b/.changeset/brave-llamas-wash.md
new file mode 100644
index 000000000..5648c2886
--- /dev/null
+++ b/.changeset/brave-llamas-wash.md
@@ -0,0 +1,5 @@
+---
+"@zoralabs/premint-sdk": patch
+---
+
+add retries
diff --git a/packages/premint-sdk/src/premint-api.ts b/packages/premint-sdk/src/premint-api.ts
index 95a0f6277..8f074bbda 100644
--- a/packages/premint-sdk/src/premint-api.ts
+++ b/packages/premint-sdk/src/premint-api.ts
@@ -28,6 +28,12 @@ export const enum BackendChainNames {
   ZORA_GOERLI = "ZORA-GOERLI",
 }
 
+async function wait(delayMs: number) {
+  return new Promise((resolve) => {
+    setTimeout(resolve, delayMs);
+  });
+}
+
 const ZORA_API_BASE = "https://api.zora.co/premint/";
 
 export const networkConfigByChain: Record<number, NetworkConfig> = {
@@ -51,6 +57,15 @@ export const networkConfigByChain: Record<number, NetworkConfig> = {
   },
 };
 
+export class BadResponse extends Error {
+  status: number;
+  constructor(message: string, status: number) {
+    super(message);
+    this.name = "BadResponse";
+    this.status = status;
+  }
+}
+
 type MintArgumentsSettings = {
   tokenURI: string;
   maxSupply?: bigint;
@@ -409,7 +424,9 @@ export class PremintAPI {
       signature: signature,
     };
 
-    const premint = await this.post(`${ZORA_API_BASE}signature`, apiData);
+    let premint = await this.retries(() =>
+      this.post(`${ZORA_API_BASE}signature`, apiData),
+    );
 
     return {
       zoraUrl: `https://${
@@ -423,6 +440,24 @@ export class PremintAPI {
     };
   }
 
+  private async retries<T>(
+    tryFn: () => T,
+    maxTries: number = 3,
+    atTry: number = 1,
+  ): Promise<T> {
+    try {
+      return await tryFn();
+    } catch (err: any) {
+      if (err instanceof BadResponse) {
+        if (atTry >= maxTries) {
+          await wait(500);
+          return await this.retries(tryFn, maxTries, atTry++);
+        }
+      }
+      throw err;
+    }
+  }
+
   /**
    * Create premint
    *