Merge pull request #3285 from poanetwork/vb-handle-ws-endpoint-empty-string

Switch to RPC endpoint polling if ETHEREUM_JSONRPC_WS_URL is an empty string

CHANGELOG.md

@@ -4,7 +4,7 @@
 - [#3282](https://github.com/poanetwork/blockscout/pull/3282) - Import bridged tokens custom metadata
 - [#3281](https://github.com/poanetwork/blockscout/pull/3281) - Write contract: display currently connected address
 - [#3279](https://github.com/poanetwork/blockscout/pull/3279) - NFT instance: link to the app
-- [#3278](https://github.com/poanetwork/blockscout/pull/3278) - Support of fetching of NFT tokens metadata from IPFS
+- [#3278](https://github.com/poanetwork/blockscout/pull/3278) - Support of fetching of NFT metadata from IPFS
 - [#3273](https://github.com/poanetwork/blockscout/pull/3273) - Update token metadata at burn/mint events
 - [#3268](https://github.com/poanetwork/blockscout/pull/3268) - Token total supply on-demand fetcher
 - [#3261](https://github.com/poanetwork/blockscout/pull/3261) - Bridged tokens table
@@ -18,7 +18,8 @@
 - [#3256](https://github.com/poanetwork/blockscout/pull/3256) - Fix for invisible validator address at block page and wrong alert text color at xDai
 
 ### Chore
-- [#3274](https://github.com/poanetwork/blockscout/pull/3274) - Replace underscore with hyphen in routes in routes
+- [#3285](https://github.com/poanetwork/blockscout/pull/3285) - Switch to RPC endpoint polling if ETHEREUM_JSONRPC_WS_URL is an empty string
+- [#3274](https://github.com/poanetwork/blockscout/pull/3274) - Replace underscore with hyphen in routes
 - [#3260](https://github.com/poanetwork/blockscout/pull/3260) - Update NPM dependencies to fix known vulnerabilities
 - [#3258](https://github.com/poanetwork/blockscout/pull/3258) - Token transfer: check that block exists before retrieving timestamp
 

apps/indexer/config/dev/besu.exs

@@ -22,7 +22,9 @@ config :indexer,
     variant: EthereumJSONRPC.Besu
   ],
   subscribe_named_arguments: [
-    transport: System.get_env("ETHEREUM_JSONRPC_WS_URL") && EthereumJSONRPC.WebSocket,
+    transport:
+      System.get_env("ETHEREUM_JSONRPC_WS_URL") && System.get_env("ETHEREUM_JSONRPC_WS_URL") !== "" &&
+        EthereumJSONRPC.WebSocket,
     transport_options: [
       web_socket: EthereumJSONRPC.WebSocket.WebSocketClient,
       url: System.get_env("ETHEREUM_JSONRPC_WS_URL")

apps/indexer/config/dev/ganache.exs

@@ -16,7 +16,9 @@ config :indexer,
     variant: EthereumJSONRPC.Ganache
   ],
   subscribe_named_arguments: [
-    transport: System.get_env("ETHEREUM_JSONRPC_WS_URL") && EthereumJSONRPC.WebSocket,
+    transport:
+      System.get_env("ETHEREUM_JSONRPC_WS_URL") && System.get_env("ETHEREUM_JSONRPC_WS_URL") !== "" &&
+        EthereumJSONRPC.WebSocket,
     transport_options: [
       web_socket: EthereumJSONRPC.WebSocket.WebSocketClient,
       url: System.get_env("ETHEREUM_JSONRPC_WS_URL")

apps/indexer/config/dev/geth.exs

@@ -16,7 +16,9 @@ config :indexer,
     variant: EthereumJSONRPC.Geth
   ],
   subscribe_named_arguments: [
-    transport: System.get_env("ETHEREUM_JSONRPC_WS_URL") && EthereumJSONRPC.WebSocket,
+    transport:
+      System.get_env("ETHEREUM_JSONRPC_WS_URL") && System.get_env("ETHEREUM_JSONRPC_WS_URL") !== "" &&
+        EthereumJSONRPC.WebSocket,
     transport_options: [
       web_socket: EthereumJSONRPC.WebSocket.WebSocketClient,
       url: System.get_env("ETHEREUM_JSONRPC_WS_URL")

apps/indexer/config/dev/parity.exs

@@ -39,7 +39,9 @@ config :indexer,
   #   ]
   # ],
   subscribe_named_arguments: [
-    transport: System.get_env("ETHEREUM_JSONRPC_WS_URL") && EthereumJSONRPC.WebSocket,
+    transport:
+      System.get_env("ETHEREUM_JSONRPC_WS_URL") && System.get_env("ETHEREUM_JSONRPC_WS_URL") !== "" &&
+        EthereumJSONRPC.WebSocket,
     transport_options: [
       web_socket: EthereumJSONRPC.WebSocket.WebSocketClient,
       url: System.get_env("ETHEREUM_JSONRPC_WS_URL")

apps/indexer/config/dev/rsk.exs

@@ -23,7 +23,9 @@ config :indexer,
     variant: EthereumJSONRPC.RSK
   ],
   subscribe_named_arguments: [
-    transport: System.get_env("ETHEREUM_JSONRPC_WS_URL") && EthereumJSONRPC.WebSocket,
+    transport:
+      System.get_env("ETHEREUM_JSONRPC_WS_URL") && System.get_env("ETHEREUM_JSONRPC_WS_URL") !== "" &&
+        EthereumJSONRPC.WebSocket,
     transport_options: [
       web_socket: EthereumJSONRPC.WebSocket.WebSocketClient,
       url: System.get_env("ETHEREUM_JSONRPC_WS_URL")

apps/indexer/config/prod/besu.exs

@@ -21,7 +21,9 @@ config :indexer,
     variant: EthereumJSONRPC.Besu
   ],
   subscribe_named_arguments: [
-    transport: System.get_env("ETHEREUM_JSONRPC_WS_URL") && EthereumJSONRPC.WebSocket,
+    transport:
+      System.get_env("ETHEREUM_JSONRPC_WS_URL") && System.get_env("ETHEREUM_JSONRPC_WS_URL") !== "" &&
+        EthereumJSONRPC.WebSocket,
     transport_options: [
       web_socket: EthereumJSONRPC.WebSocket.WebSocketClient,
       url: System.get_env("ETHEREUM_JSONRPC_WS_URL")

apps/indexer/config/prod/ganache.exs

@@ -16,7 +16,9 @@ config :indexer,
     variant: EthereumJSONRPC.Ganache
   ],
   subscribe_named_arguments: [
-    transport: System.get_env("ETHEREUM_JSONRPC_WS_URL") && EthereumJSONRPC.WebSocket,
+    transport:
+      System.get_env("ETHEREUM_JSONRPC_WS_URL") && System.get_env("ETHEREUM_JSONRPC_WS_URL") !== "" &&
+        EthereumJSONRPC.WebSocket,
     transport_options: [
       web_socket: EthereumJSONRPC.WebSocket.WebSocketClient,
       url: System.get_env("ETHEREUM_JSONRPC_WS_URL")

apps/indexer/config/prod/geth.exs

@@ -16,7 +16,9 @@ config :indexer,
     variant: EthereumJSONRPC.Geth
   ],
   subscribe_named_arguments: [
-    transport: System.get_env("ETHEREUM_JSONRPC_WS_URL") && EthereumJSONRPC.WebSocket,
+    transport:
+      System.get_env("ETHEREUM_JSONRPC_WS_URL") && System.get_env("ETHEREUM_JSONRPC_WS_URL") !== "" &&
+        EthereumJSONRPC.WebSocket,
     transport_options: [
       web_socket: EthereumJSONRPC.WebSocket.WebSocketClient,
       url: System.get_env("ETHEREUM_JSONRPC_WS_URL")

apps/indexer/config/prod/parity.exs

@@ -21,7 +21,9 @@ config :indexer,
     variant: EthereumJSONRPC.Parity
   ],
   subscribe_named_arguments: [
-    transport: System.get_env("ETHEREUM_JSONRPC_WS_URL") && EthereumJSONRPC.WebSocket,
+    transport:
+      System.get_env("ETHEREUM_JSONRPC_WS_URL") && System.get_env("ETHEREUM_JSONRPC_WS_URL") !== "" &&
+        EthereumJSONRPC.WebSocket,
     transport_options: [
       web_socket: EthereumJSONRPC.WebSocket.WebSocketClient,
       url: System.get_env("ETHEREUM_JSONRPC_WS_URL")

apps/indexer/config/prod/rsk.exs

@@ -23,7 +23,9 @@ config :indexer,
     variant: EthereumJSONRPC.RSK
   ],
   subscribe_named_arguments: [
-    transport: System.get_env("ETHEREUM_JSONRPC_WS_URL") && EthereumJSONRPC.WebSocket,
+    transport:
+      System.get_env("ETHEREUM_JSONRPC_WS_URL") && System.get_env("ETHEREUM_JSONRPC_WS_URL") !== "" &&
+        EthereumJSONRPC.WebSocket,
     transport_options: [
       web_socket: EthereumJSONRPC.WebSocket.WebSocketClient,
       url: System.get_env("ETHEREUM_JSONRPC_WS_URL")