chore: add fallback RPC

Author: thelostone-mc

apps/indexer/config.yaml

@@ -147,6 +147,7 @@ networks:
                 - 0x4AAcca72145e1dF2aeC137E1f3C5E3D75DB8b5f3
 
     - id: 10 # optimism
+      rpc: https://opt-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
       start_block: 111678968
       contracts:
           - name: Registry
@@ -158,6 +159,7 @@ networks:
                 - 0x1133eA7Af70876e64665ecD07C0A0476d09465a1
 
     - id: 137 # polygon
+      rpc: https://polygon-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
       start_block: 49466006
       contracts:
           - name: Registry
@@ -180,6 +182,7 @@ networks:
                 - 0x1133eA7Af70876e64665ecD07C0A0476d09465a1
 
     - id: 100 # gnosis
+      rpc: https://gnosis-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
       start_block: 35900000
       contracts:
           - name: Registry
@@ -191,6 +194,7 @@ networks:
                 - 0x1133eA7Af70876e64665ecD07C0A0476d09465a1
 
     - id: 250 # fantom
+      rpc: https://fantom-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
       start_block: 77624278
       contracts:
           - name: Registry
@@ -202,6 +206,7 @@ networks:
                 - 0x1133eA7Af70876e64665ecD07C0A0476d09465a1
 
     - id: 324 # zksync-era-mainnet
+      rpc: https://zksync-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
       start_block: 31154341
       contracts:
           - name: Registry
@@ -213,6 +218,7 @@ networks:
                 - 0x9D1D1BF2835935C291C0f5228c86d5C4e235A249
 
     - id: 1088 # metis
+      rpc: https://metis-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
       start_block: 17860000
       contracts:
           - name: Registry
@@ -224,6 +230,7 @@ networks:
                 - 0x1133eA7Af70876e64665ecD07C0A0476d09465a1
 
     - id: 43114 # avalanche
+      rpc: https://avax-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
       start_block: 34540051
       contracts:
           - name: Registry
@@ -235,6 +242,7 @@ networks:
                 - 0x1133eA7Af70876e64665ecD07C0A0476d09465a1
 
     - id: 8453 # base
+      rpc: https://base-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
       start_block: 6083365
       contracts:
           - name: Registry
@@ -247,6 +255,7 @@ networks:
 
     - id: 42161 # arbitrum
       start_block: 146489425
+      rpc: https://arb-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
       contracts:
           - name: Registry
             address:
@@ -274,6 +283,7 @@ networks:
                 - 0x1133eA7Af70876e64665ecD07C0A0476d09465a1
 
     - id: 534352 # scroll
+      rpc: https://scroll-mainnet.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
       start_block: 2683205
       contracts:
           - name: Registry
@@ -331,6 +341,7 @@ networks:
     #######################
 
     - id: 11155111 # sepolia
+      rpc: https://eth-sepolia.g.alchemy.com/v2/${ENVIO_ALCHEMY_API_KEY}
       start_block: 4617051
       contracts:
           - name: Registry