Merge pull request #278 from blockfrost/chore/retry-520

chore: retry on 520 used by Cloudflare
blockfrost · Jul 26, 2023 · 81a110e · 81a110e
2 parents 0cda8e7 + 728570b
commit 81a110e
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diff --git a/CHANGELOG.MD b/CHANGELOG.MD
@@ -7,11 +7,14 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- enabled retry logic for requests failing on `EPROTO` error and `520` status code
+
 ### Changed
 
 - drop Node.js 14 support from build and readme
 - bump `@emurgo/cardano-serialization-lib-nodejs` and dev deps
-- enabled retry logic for requests failing on `EPROTO` error
 - bump `@blockfrost/openapi` dep
 
 ### Fixed

diff --git a/src/utils/index.ts b/src/utils/index.ts
@@ -65,7 +65,7 @@ export const validateOptions = (options?: Options): ValidatedOptions => {
     retrySettings: options.retrySettings ?? {
       limit: 3, // retry count
       methods: ['GET', 'PUT', 'HEAD', 'DELETE', 'OPTIONS', 'TRACE'], // no retry on POST
-      statusCodes: [408, 413, 429, 500, 502, 503, 504, 521, 522, 524],
+      statusCodes: [408, 413, 429, 500, 502, 503, 504, 520, 521, 522, 524],
       errorCodes: [
         'ETIMEDOUT',
         'ECONNRESET',

diff --git a/test/tests/utils/utils.ts b/test/tests/utils/utils.ts
@@ -150,7 +150,7 @@ describe('utils', () => {
       retrySettings: {
         limit: 3,
         methods: ['GET', 'PUT', 'HEAD', 'DELETE', 'OPTIONS', 'TRACE'],
-        statusCodes: [408, 413, 429, 500, 502, 503, 504, 521, 522, 524],
+        statusCodes: [408, 413, 429, 500, 502, 503, 504, 520, 521, 522, 524],
         errorCodes: [
           'ETIMEDOUT',
           'ECONNRESET',