Add a container for ERC20 contract txs in the payments stack (#591)

* Add a container for ERC20 contract txs in the payments stack

* Use erc20-watcher-ts repo in erc20 stack

app/data/config/ponder/deploy-erc20-contract.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+
+set -e
+if [ -n "$CERC_SCRIPT_DEBUG" ]; then
+  set -x
+fi
+
+erc20_address_file="/app/deployment/erc20-address.json"
+
+# Check and exit if a deployment already exists (on restarts)
+if [ -f ${erc20_address_file} ]; then
+  echo "${erc20_address_file} already exists, skipping ERC20 contract deployment"
+  cat ${erc20_address_file}
+  exit
+fi
+
+wait_for_chain_endpoint() {
+  # Wait till ETH RPC endpoint is available with block number > 1
+  retry_interval=5
+  while true; do
+    block_number_hex=$(curl -s -X POST -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}' ${CERC_ETH_RPC_ENDPOINT} | jq -r '.result')
+
+    # Check if the request call was successful
+    if [ $? -ne 0 ]; then
+      echo "RPC endpoint ${CERC_ETH_RPC_ENDPOINT} not yet available, retrying in $retry_interval seconds..."
+      sleep $retry_interval
+      continue
+    fi
+
+    # Convert hex to decimal
+    block_number_dec=$(printf %u ${block_number_hex})
+
+    # Check if block number is > 1 to avoid failures in the deployment
+    if [ "$block_number_dec" -ge 1 ]; then
+      echo "RPC endpoint ${CERC_ETH_RPC_ENDPOINT} is up"
+      break
+    else
+      echo "RPC endpoint ${CERC_ETH_RPC_ENDPOINT} not yet available, retrying in $retry_interval seconds..."
+      sleep $retry_interval
+      continue
+    fi
+  done
+}
+
+wait_for_chain_endpoint
+
+echo "Using CERC_PRIVATE_KEY_DEPLOYER from env"
+
+echo ETH_RPC_URL=${CERC_ETH_RPC_ENDPOINT} > .env
+echo ACCOUNT_PRIVATE_KEY=${CERC_PRIVATE_KEY_DEPLOYER} >> .env
+yarn token:deploy:docker --file ${erc20_address_file}
+
+# Keep the container running
+tail -f

app/data/config/ponder/ponder-start.sh

@@ -31,6 +31,21 @@ else
   exit 1
 fi
 
+# Read ERC20 address from a file
+# Keep retrying until found
+erc20_address_file="/erc20/erc20-address.json"
+echo "Reading ERC20 address from ${erc20_address_file}"
+retry_interval=5
+while true; do
+  if [[ -e "$erc20_address_file" ]]; then
+    ERC20_CONTRACT=$(jq -r '.address' ${erc20_address_file})
+    break
+  else
+    echo "File not yet available, retrying in $retry_interval seconds..."
+    sleep $retry_interval
+  fi
+done
+
 echo "Using CERC_PONDER_NITRO_PK from env for Nitro account"
 echo "Using CERC_PONDER_NITRO_CHAIN_PK (account with funds) from env for sending Nitro txs"
 echo "Using ${CERC_PONDER_NITRO_CHAIN_URL} as the RPC endpoint for Nitro txs"
@@ -56,6 +71,7 @@ echo "UPSTREAM_NITRO_PAY_AMOUNT=\"$CERC_UPSTREAM_NITRO_PAY_AMOUNT\"" >> "$env_fi
 echo "INDEXER_GQL_ENDPOINT=\"$CERC_INDEXER_GQL_ENDPOINT\"" >> "$env_file"
 echo "INDEXER_NITRO_ADDRESS=\"$CERC_INDEXER_NITRO_ADDRESS\"" >> "$env_file"
 echo "INDEXER_NITRO_PAY_AMOUNT=\"$CERC_INDEXER_NITRO_PAY_AMOUNT\"" >> "$env_file"
+echo "ERC20_CONTRACT=\"$ERC20_CONTRACT\"" >> "$env_file"
 
 cat "$env_file"
 

app/data/config/ponder/ponder.indexer.config.ts

@@ -34,7 +34,7 @@ export const config: Config = {
       name: "AdventureGold",
       network: "fixturenet",
       abi: "./abis/AdventureGold.json",
-      address: "0x32353A6C91143bfd6C7d363B546e62a9A2489A20",
+      address: process.env.ERC20_CONTRACT,
       startBlock: 5,
       maxBlockRange: 100,
     },

app/data/config/ponder/ponder.watcher.config.ts

@@ -14,7 +14,7 @@ export const config: Config = {
       name: "AdventureGold",
       network: "fixturenet",
       abi: "./abis/AdventureGold.json",
-      address: "0x32353A6C91143bfd6C7d363B546e62a9A2489A20",
+      address: process.env.ERC20_CONTRACT,
       startBlock: 5,
       maxBlockRange: 100,
     },