eth-json-rpc-infura - npm Package Compare versions

Comparing version 2.0.0 to 2.0.1

package.json

 {
   "name": "eth-json-rpc-infura",
-  "version": "2.0.0",
+  "version": "2.0.1",
   "main": "index.js",
@@ -11,2 +11,3 @@ "directories": {
     "json-rpc-engine": "^3.4.0",
+    "json-rpc-error": "^2.0.0",
     "tape": "^4.8.0"
@@ -13,0 +14,0 @@ },

src/index.js

 const createAsyncMiddleware = require('json-rpc-engine/src/createAsyncMiddleware')
+const JsonRpcError = require('json-rpc-error')
 
@@ -11,2 +12,19 @@ module.exports = createInfuraMiddleware
     const rawData = await response.text()
+    // handle errors
+    if (!response.ok) {
+      switch (response.status) {
+        case 405:
+          throw new JsonRpcError.MethodNotFound()
+
+        case 418:
+          throw createRatelimitError()
+
+        case 503:
+        case 504:
+          throw createTimeoutError()
+
+        default:
+          throw createInternalError(rawData)
+      }
+    }
     // special case for now
@@ -44,1 +62,18 @@ if (req.method === 'eth_getBlockByNumber' && rawData === 'Not Found') {
 }
+
+
+function createRatelimitError () {
+  let msg = `Request is being rate limited.`
+  return createInternalError(msg)
+}
+
+function createTimeoutError () {
+  let msg = `Gateway timeout. The request took too long to process. `
+  msg += `This can happen when querying logs over too wide a block range.`
+  return createInternalError(msg)
+}
+
+function createInternalError (msg) {
+  const err = new Error(msg)
+  return new JsonRpcError.InternalError(err)
+}

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Improved metrics

Total package byte prevSize

4278

increased by25.93%

Lines of code

105

increased by36.36%

Worsened metrics

Dependency count

4

increased by33.33%

Dependency changes

• + Addedjson-rpc-error@^2.0.0