Add a fixturenet-payments stack (#540)

* Add a fixturenet-payments stack

* Export the WebSocket port in fixturenet-eth-geth service

* Add container to run a go-nitro node

* Add container to deploy Nitro contracts

* Read contract addresses from a volume when running the Nitro node

* Add a service for Nitro reverse payment proxy

* Expose payment proxy endpoint to be accessible from host

* Map nitro node messaging and payment proxy ports to host

* Use container to deploy Nitro contracts in mobymask-v3 stack

* Use a common contract deployment script from mobymask-v3 stack

* Add MobyMask contract deployment and watcher services

* Fixes for contract deployment and watcher scripts

* Add a container and service for mobymask-snap

* Add MobyMask app service

* Add container and service for a ponder app

* Fix ponder setup and update instructions

* Handle review comments

* Use enablepaidrpcmethods flag in reverse payment proxy server

* Update go-nitro branch

* Fixes for mobymask-v3 stack

---------

Co-authored-by: Nabarun <nabarun@deepstacksoft.com>

app/data/config/go-nitro/run-nitro-node.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+set -e
+if [ -n "$CERC_SCRIPT_DEBUG" ]; then
+  set -x
+fi
+
+nitro_addresses_file="/app/deployment/nitro-addresses.json"
+
+# Check if CERC_NA_ADDRESS environment variable is set
+if [ -n "$CERC_NA_ADDRESS" ]; then
+  echo "CERC_NA_ADDRESS is set to '$CERC_NA_ADDRESS'"
+  echo "CERC_VPA_ADDRESS is set to '$CERC_VPA_ADDRESS'"
+  echo "CERC_CA_ADDRESS is set to '$CERC_CA_ADDRESS'"
+  echo "Using the above Nitro addresses"
+
+  NA_ADDRESS=${CERC_NA_ADDRESS}
+  VPA_ADDRESS=${CERC_VPA_ADDRESS}
+  CA_ADDRESS=${CERC_CA_ADDRESS}
+elif [ -f ${nitro_addresses_file} ]; then
+  echo "Reading Nitro addresses from ${nitro_addresses_file}"
+
+  NA_ADDRESS=$(jq -r '.nitroAdjudicatorAddress' ${nitro_addresses_file})
+  VPA_ADDRESS=$(jq -r '.virtualPaymentAppAddress' ${nitro_addresses_file})
+  CA_ADDRESS=$(jq -r '.consensusAppAddress' ${nitro_addresses_file})
+else
+  echo "File ${nitro_addresses_file} not found"
+  exit 1
+fi
+
+echo "Running Nitro node"
+
+# TODO Wait for RPC endpoint to come up
+
+./nitro -chainurl ${NITRO_CHAIN_URL} -msgport 3005 -rpcport 4005 -wsmsgport 5005 -pk ${NITRO_PK} -chainpk ${NITRO_CHAIN_PK} -naaddress ${NA_ADDRESS} -vpaaddress ${VPA_ADDRESS} -caaddress ${CA_ADDRESS} -usedurablestore ${NITRO_USE_DURABLE_STORE} -durablestorefolder ${NITRO_DURABLE_STORE_FOLDER}

app/data/config/go-nitro/run-reverse-payment-proxy.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+if [ -n "$CERC_SCRIPT_DEBUG" ]; then
+  set -x
+fi
+
+echo "Running Nitro reverse payment proxy"
+echo "Using PROXY_ADDRESS ${PROXY_ADDRESS}"
+echo "Using PROXY_NITRO_ENDPOINT ${PROXY_NITRO_ENDPOINT}"
+echo "Using PROXY_DESTINATION_URL ${PROXY_DESTINATION_URL}"
+echo "Using PROXY_COST_PER_BYTE ${PROXY_COST_PER_BYTE}"
+
+./start-reverse-payment-proxy -proxyaddress ${PROXY_ADDRESS} -nitroendpoint=${PROXY_NITRO_ENDPOINT} -destinationurl=${PROXY_DESTINATION_URL} -costperbyte ${PROXY_COST_PER_BYTE} -enablepaidrpcmethods