chore: replace api key with fallback URL

Author: thelostone-mc

apps/indexer/.env.example

@@ -0,0 +1,18 @@
+# Custom RPCs
+ENVIO_SEI_RPC_URL=YOUR_SEI_RPC_URL
+ENVIO_HEDERA_RPC_URL=YOUR_HEDERA_RPC_URL
+
+# Fallback RPCs
+ENVIO_MAINNET_FALLBACK_RPC=YOUR_MAINNET_RPC_URL
+ENVIO_OPTIMISM_FALLBACK_RPC=YOUR_OPTIMISM_RPC_URL
+ENVIO_GNOSIS_FALLBACK_RPC=YOUR_GNOSIS_RPC_URL
+ENVIO_POLYGON_FALLBACK_RPC=YOUR_POLYGON_RPC_URL
+ENVIO_FANTOM_FALLBACK_RPC=YOUR_FANTOM_RPC_URL
+ENVIO_ZKSYNC_FALLBACK_RPC=YOUR_ZKSYNC_RPC_URL
+ENVIO_METIS_FALLBACK_RPC=YOUR_METIS_RPC_URL
+ENVIO_BASE_FALLBACK_RPC=YOUR_BASE_RPC_URL
+ENVIO_ARBITRUM_FALLBACK_RPC=YOUR_ARBITRUM_RPC_URL
+ENVIO_AVALANCHE_FALLBACK_RPC=YOUR_AVALANCHE_RPC_URL
+ENVIO_CELO_FALLBACK_RPC=YOUR_CELO_RPC_URL
+ENVIO_SCROLL_FALLBACK_RPC=YOUR_SCROLL_RPC_URL
+ENVIO_SEPOLIA_FALLBACK_RPC=YOUR_SEPOLIA_RPC_URL

apps/indexer/README.md

@@ -70,6 +70,8 @@ Use your values for the chain and the contracts you want to index.
 
 Ensure each event is properly handled and thoroughly tested before redeploying the environment to prevent issues in the indexing process.
 
+Hypersync can sometimes be unreliable, so it's recommended to provide a fallback RPC. Check the `.env.example` file and ensure the necessary variables are set in the hosted service before deployment.
+
 ## 🧪 Testing
 
 To run tests, use the following command:

apps/indexer/config.yaml

@@ -137,7 +137,7 @@ networks:
     #######################
     - id: 1 # mainnet
       start_block: 18486688
-      rpc: https://eth-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
+      rpc: ${ENVIO_MAINNET_FALLBACK_RPC:-https://eth.llamarpc.com}
       contracts:
           - name: Allo
             address:
@@ -148,7 +148,7 @@ networks:
                 - 0x4AAcca72145e1dF2aeC137E1f3C5E3D75DB8b5f3
 
     - id: 10 # optimism
-      rpc: https://opt-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
+      rpc: ${ENVIO_OPTIMISM_FALLBACK_RPC:-https://optimism.llamarpc.com}
       start_block: 111678968
       contracts:
           - name: Registry
@@ -172,7 +172,7 @@ networks:
                 - 0xB087535DB0df98fC4327136e897A5985E5Cfbd66
 
     - id: 100 # gnosis
-      rpc: https://gnosis-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
+      rpc: ${ENVIO_GNOSIS_FALLBACK_RPC:-https://gnosis-rpc.publicnode.com}
       start_block: 35900000
       contracts:
           - name: Registry
@@ -184,7 +184,7 @@ networks:
                 - 0x1133eA7Af70876e64665ecD07C0A0476d09465a1
 
     - id: 137 # polygon
-      rpc: https://polygon-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
+      rpc: ${ENVIO_POLYGON_FALLBACK_RPC:-https://polygon.llamarpc.com}
       start_block: 49466006
       contracts:
           - name: Registry
@@ -196,7 +196,7 @@ networks:
                 - 0x1133eA7Af70876e64665ecD07C0A0476d09465a1
 
     - id: 250 # fantom
-      rpc: https://fantom-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
+      rpc: ${ENVIO_FANTOM_FALLBACK_RPC:-https://rpc.ankr.com/fantom}
       start_block: 77624278
       contracts:
           - name: Registry
@@ -208,7 +208,7 @@ networks:
                 - 0x1133eA7Af70876e64665ecD07C0A0476d09465a1
 
     - id: 324 # zksync-era-mainnet
-      rpc: https://zksync-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
+      rpc: ${ENVIO_ZKSYNC_FALLBACK_RPC:-https://1rpc.io/zksync2-era}
       start_block: 31154341
       contracts:
           - name: Registry
@@ -220,7 +220,7 @@ networks:
                 - 0x9D1D1BF2835935C291C0f5228c86d5C4e235A249
 
     - id: 1088 # metis
-      rpc: https://metis-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
+      rpc: ${ENVIO_METIS_FALLBACK_RPC:-https://metis-rpc.publicnode.com}
       start_block: 17860000
       contracts:
           - name: Registry
@@ -232,7 +232,7 @@ networks:
                 - 0x1133eA7Af70876e64665ecD07C0A0476d09465a1
 
     - id: 8453 # base
-      rpc: https://base-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
+      rpc: ${ENVIO_BASE_FALLBACK_RPC:-https://base-rpc.publicnode.com}
       start_block: 6083365
       contracts:
           - name: Registry
@@ -244,8 +244,8 @@ networks:
                 - 0x1133eA7Af70876e64665ecD07C0A0476d09465a1
 
     - id: 42161 # arbitrum
+      rpc: ${ENVIO_ARBITRUM_FALLBACK_RPC:-https://arbitrum.llamarpc.com}
       start_block: 146489425
-      rpc: https://arb-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
       contracts:
           - name: Registry
             address:
@@ -262,7 +262,7 @@ networks:
                 - 0x2ce7E4cB5Edb140A9327e67De85463186E757C8f
 
     - id: 43114 # avalanche
-      rpc: https://avax-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
+      rpc: ${ENVIO_AVALANCHE_FALLBACK_RPC:-https://avalanche.public-rpc.com}
       start_block: 34540051
       contracts:
           - name: Registry
@@ -274,7 +274,7 @@ networks:
                 - 0x1133eA7Af70876e64665ecD07C0A0476d09465a1
 
     - id: 42220 # celo-mainnet
-      rpc: https://celo-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
+      rpc: ${ENVIO_CELO_FALLBACK_RPC:-https://1rpc.io/celo}
       start_block: 22257475
       contracts:
           - name: Registry
@@ -286,7 +286,7 @@ networks:
                 - 0x1133eA7Af70876e64665ecD07C0A0476d09465a1
 
     - id: 534352 # scroll
-      rpc: https://scroll-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
+      rpc: ${ENVIO_SCROLL_FALLBACK_RPC:-https://1rpc.io/scroll}
       start_block: 2683205
       contracts:
           - name: Registry
@@ -344,7 +344,7 @@ networks:
     #######################
 
     - id: 11155111 # sepolia
-      rpc: https://eth-sepolia.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
+      rpc: ${ENVIO_SEPOLIA_FALLBACK_RPC:-https://1rpc.io/sepolia}
       start_block: 4617051
       contracts:
           - name: Registry