Additional env configuration in graph-node stack (#812)

Part of [Deploy v2 and updated v3 sushiswap subgraphs](https://www.notion.so/Deploy-v2-and-updated-v3-sushiswap-subgraphs-e331945fdeea487c890706fc22c6cc94)

Reviewed-on: https://git.vdb.to/cerc-io/stack-orchestrator/pulls/812
Co-authored-by: Prathamesh Musale <prathamesh.musale0@gmail.com>
Co-committed-by: Prathamesh Musale <prathamesh.musale0@gmail.com>

stack_orchestrator/data/compose/docker-compose-graph-node.yml

@@ -16,8 +16,12 @@ services:
       postgres_pass: password
       postgres_db: graph-node
       ethereum: ${ETH_NETWORKS:-lotus-fixturenet:http://lotus-node-1:1234/rpc/v1}
+      # Env varaibles reference: https://git.vdb.to/cerc-io/graph-node/src/branch/master/docs/environment-variables.md
       GRAPH_LOG: debug
       ETHEREUM_REORG_THRESHOLD: 3
+      GRAPH_ETHEREUM_JSON_RPC_TIMEOUT: ${GRAPH_ETHEREUM_JSON_RPC_TIMEOUT:-180}
+      GRAPH_ETHEREUM_REQUEST_RETRIES: ${GRAPH_ETHEREUM_REQUEST_RETRIES:-10}
+      GRAPH_ETHEREUM_MAX_BLOCK_RANGE_SIZE: ${GRAPH_ETHEREUM_MAX_BLOCK_RANGE_SIZE:-2000}
     entrypoint: ["bash", "-c"]
     # Wait for ETH RPC endpoint to be up when running with fixturenet-lotus
     command: |

stack_orchestrator/data/stacks/graph-node/README.md

@@ -76,6 +76,19 @@ export ETH_RPC_PORT=
 # The etherum network(s) graph-node will connect to
 # Set this to a space-separated list of the networks where each entry has the form NAME:URL
 export ETH_NETWORKS=
+
+# Optional:
+
+# Timeout for ETH RPC requests in seconds (default: 180s)
+export GRAPH_ETHEREUM_JSON_RPC_TIMEOUT=
+
+# Number of times to retry ETH RPC requests (default: 10)
+export GRAPH_ETHEREUM_REQUEST_RETRIES=
+
+# Maximum number of blocks to scan for triggers in each request (default: 2000)
+export GRAPH_ETHEREUM_MAX_BLOCK_RANGE_SIZE=
+
+# Ref: https://git.vdb.to/cerc-io/graph-node/src/branch/master/docs/environment-variables.md
 ```
 
 Example env file:
@@ -85,6 +98,10 @@ export ETH_RPC_HOST=filecoin.chainup.net
 export ETH_RPC_PORT=443
 
 export ETH_NETWORKS=filecoin:https://filecoin.chainup.net/rpc/v1
+
+export GRAPH_ETHEREUM_JSON_RPC_TIMEOUT=360
+export GRAPH_ETHEREUM_REQUEST_RETRIES=5
+export GRAPH_ETHEREUM_MAX_BLOCK_RANGE_SIZE=50
 ```
 
 Set the environment variables: