Update token URI validation logic to cover standard collections as well

2023-07-04 08:20:28 +03:00
parent f3b36f2d17
commit 23ef3ab3ea
2 changed files with 90 additions and 29 deletions
@@ -1,21 +1,71 @@
 /* eslint-disable eslint-comments/disable-enable-pair */
 /* eslint-disable @typescript-eslint/no-unsafe-call */
-/* eslint-disable @typescript-eslint/no-unsafe-assignment */
-export const checkTokenUri = async (tokenUri: string) => {
-  const file = await fetch(tokenUri.replace('ipfs://', 'https://ipfs.io/ipfs/'))
-    .then((res) =>
-      res.json().catch((err: any) => {
-        throw Error(`Metadata file could not be parsed. Please check that it is valid JSON.`)
-      }),
-    )
-    .catch((err: any) => {
-      throw Error(`Unable to fetch metadata from ${tokenUri}`)
-    })
-
-  if (!file.image) {
-    throw Error('Token URI must contain an image URL.')
-  }
-  if (file.image && !file.image.startsWith('ipfs://')) {
-    throw Error('Metadata file: The corresponding value for image must be an IPFS URL.')
+export const checkTokenUri = async (tokenUri: string, isBaseTokenUri?: boolean) => {
+  if (isBaseTokenUri) {
+    await fetch(tokenUri.replace('ipfs://', 'https://ipfs.io/ipfs/').concat(tokenUri.endsWith('/') ? '1' : '/1'))
+      .then((res) =>
+        res
+          .json()
+          .then((data) => {
+            if (!data.image) {
+              throw Error('Metadata validation failed. The metadata files must contain an image URL.')
+            }
+            if (!data.image.startsWith('ipfs://')) {
+              throw Error('Metadata file validation failed: The corresponding value for image must be an IPFS URL.')
+            }
+          })
+          .catch(() => {
+            throw Error(
+              `Metadata validation failed. Please check that the metadata files in the IPFS folder are valid JSON.`,
+            )
+          }),
+      )
+      .catch(async () => {
+        await fetch(
+          tokenUri.replace('ipfs://', 'https://ipfs.io/ipfs/').concat(tokenUri.endsWith('/') ? '1.json' : '/1.json'),
+        )
+          .then((response) =>
+            response
+              .json()
+              .then((file) => {
+                if (!file.image) {
+                  throw Error('Metadata validation failed. The metadata files must contain an image URL.')
+                }
+                if (!file.image.startsWith('ipfs://')) {
+                  throw Error('Metadata file validation failed: The corresponding value for image must be an IPFS URL.')
+                }
+              })
+              .catch(() => {
+                throw Error(
+                  `Metadata validation failed. Please check that the metadata files in the IPFS folder are valid JSON.`,
+                )
+              }),
+          )
+          .catch(() => {
+            throw Error(
+              `Unable to fetch metadata from ${tokenUri}. Metadata validation failed. Please check that the base token URI points to an IPFS folder with metadata files in it.`,
+            )
+          })
+      })
+  } else {
+    await fetch(tokenUri.replace('ipfs://', 'https://ipfs.io/ipfs/'))
+      .then((res) =>
+        res
+          .json()
+          .then((file) => {
+            if (!file.image) {
+              throw Error('Token URI must contain an image URL.')
+            }
+            if (!file.image.startsWith('ipfs://')) {
+              throw Error('Metadata file: The corresponding value for image must be an IPFS URL.')
+            }
+          })
+          .catch(() => {
+            throw Error(`Metadata file could not be parsed. Please check that it is valid JSON.`)
+          }),
+      )
+      .catch(() => {
+        throw Error(`Unable to fetch metadata from ${tokenUri}`)
+      })
  }
 }