Add eth-api-proxy to mainnet-eth stack. (#514)

* Add eth-api-proxy to mainnet-eth stack.

app/data/compose/docker-compose-mainnet-eth-api-proxy.yml

@@ -0,0 +1,15 @@
+version: '3.8'
+
+services:
+  redis:
+    hostname: mainnet-eth-api-proxy-redis
+    image: redis:7-alpine
+    command: redis-server --save "" --appendonly no --maxmemory-policy allkeys-lru --maxmemory 1G
+
+  eth-api-proxy:
+    hostname: mainnet-eth-api-proxy
+    image: cerc/eth-api-proxy:local
+    env_file:
+      - ../config/mainnet-eth-api-proxy/ethpxy.env
+    ports:
+      - 8547

app/data/config/mainnet-eth-api-proxy/ethpxy.env

@@ -0,0 +1,6 @@
+CERC_ETHPXY_LISTEN_PORT=8547
+CERC_ETHPXY_LISTEN_ADDR='0.0.0.0'
+CERC_ETHPXY_REDIS_URL='redis://mainnet-eth-api-proxy-redis:6379'
+CERC_ETHPXY_REDIS_MAX_AGE=120000
+CERC_ETHPXY_GETH_WS_URL='ws://mainnet-eth-geth-1:8546'
+CERC_ETHPXY_GETH_HTTP_URL='http://mainnet-eth-geth-1:8545'

app/data/container-build/cerc-eth-api-proxy/build.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+# Build cerc/eth-api-proxy
+
+source ${CERC_CONTAINER_BASE_DIR}/build-base.sh
+
+# See: https://stackoverflow.com/a/246128/1701505
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+
+docker build -t cerc/eth-api-proxy:local ${build_command_args} ${CERC_REPO_BASE_DIR}/eth-api-proxy

app/data/stacks/mainnet-eth/deploy/commands.py

@@ -23,7 +23,7 @@ def setup(ctx):
     return None
 
 
-def create(ctx):
+def create(ctx, extra_args):
     # Generate the JWT secret and save to its config file
     secret = token_hex(32)
     jwt_file_path = ctx.deployment_dir.joinpath("data", "mainnet_eth_config_data", "jwtsecret")

app/data/stacks/mainnet-eth/stack.yml

@@ -7,6 +7,7 @@ repos:
   - github.com/dboreham/foundry
   - git.vdb.to/cerc-io/keycloak-reg-api
   - git.vdb.to/cerc-io/keycloak-reg-ui
+  - github.com/vulcanize/eth-api-proxy
 containers:
   - cerc/go-ethereum
   - cerc/lighthouse
@@ -16,8 +17,10 @@ containers:
   - cerc/webapp-base
   - cerc/keycloak-reg-api
   - cerc/keycloak-reg-ui
+  - cerc/eth-api-proxy
 pods:
   - mainnet-eth
   - mainnet-eth-keycloak
   - mainnet-eth-metrics
+  - mainnet-eth-api-proxy
   - foundry