Geth custom testnet (#1500)

erigon/docker-entrypoint.sh

@@ -54,6 +54,7 @@ if [[ "${NETWORK}" =~ ^https?:// ]]; then
 else
   __network="--chain ${NETWORK} --http.api web3,eth,net,engine"
 fi
+
 # Check for network, and set prune accordingly
 
 if [ "${ARCHIVE_NODE}" = "true" ]; then

geth.yml

@@ -24,6 +24,7 @@ services:
       - LOG_LEVEL=${LOG_LEVEL:-info}
       - EL_EXTRAS=${EL_EXTRAS:-}
       - ARCHIVE_NODE=${ARCHIVE_NODE:-}
+      - NETWORK=${NETWORK}
     volumes:
       - geth-eth1-data:/var/lib/goethereum
       - /etc/localtime:/etc/localtime:ro
@@ -44,8 +45,6 @@ services:
       - 0.0.0.0
       - --http.vhosts=*
       - --http.corsdomain=*
-      - --http.api
-      - web3,eth,net
       - --datadir
       - /var/lib/goethereum
       - --port
@@ -60,7 +59,6 @@ services:
       - --ws.api
       - web3,eth,net
       - --ws.origins=*
-      - --${NETWORK}
       - --metrics
       - --metrics.expensive
       - --pprof

geth/Dockerfile.binary

@@ -10,7 +10,7 @@ ARG UID=10001
 # GID 10002 is deliberate so it can exchange secret with CL
 ARG GID=10002
 
-RUN apk update && apk add --no-cache ca-certificates tzdata bash su-exec
+RUN apk update && apk add --no-cache ca-certificates tzdata bash su-exec git jq
 
 RUN addgroup \
     --gid "${GID}" \

geth/Dockerfile.source

@@ -21,7 +21,7 @@ ARG UID=10001
 # GID 10002 is deliberate so it can exchange secret with CL
 ARG GID=10002
 
-RUN apk add --no-cache ca-certificates tzdata bash su-exec
+RUN apk add --no-cache ca-certificates tzdata bash su-exec git jq
 
 RUN addgroup \
     --gid "${GID}" \

geth/docker-entrypoint.sh

@@ -25,6 +25,35 @@ if [[ -O "/var/lib/goethereum/ee-secret/jwtsecret" ]]; then
   chmod 666 /var/lib/goethereum/ee-secret/jwtsecret
 fi
 
+if [[ "${NETWORK}" =~ ^https?:// ]]; then
+  echo "Custom testnet at ${NETWORK}"
+  repo=$(awk -F'/tree/' '{print $1}' <<< "${NETWORK}")
+  branch=$(awk -F'/tree/' '{print $2}' <<< "${NETWORK}" | cut -d'/' -f1)
+  config_dir=$(awk -F'/tree/' '{print $2}' <<< "${NETWORK}" | cut -d'/' -f2-)
+  echo "This appears to be the ${repo} repo, branch ${branch} and config directory ${config_dir}."
+  # For want of something more amazing, let's just fail if git fails to pull this
+  set -e
+  if [ ! -d "/var/lib/goethereum/testnet/${config_dir}" ]; then
+    mkdir -p /var/lib/goethereum/testnet
+    cd /var/lib/goethereum/testnet
+    git init --initial-branch="${branch}"
+    git remote add origin "${repo}"
+    git config core.sparseCheckout true
+    echo "${config_dir}" > .git/info/sparse-checkout
+    git pull origin "${branch}"
+  fi
+  bootnodes="$(paste -s -d, "/var/lib/goethereum/testnet/${config_dir}/bootnode.txt")"
+  networkid="$(jq -r '.config.chainId' "/var/lib/goethereum/testnet/${config_dir}/genesis.json")"
+  set +e
+  __network="--bootnodes=${bootnodes} --networkid=${networkid} --http.api=eth,net,web3,debug,admin,txpool"
+  if [ ! -f /var/lib/goethereum/setupdone ]; then
+    geth init --datadir /var/lib/goethereum "/var/lib/goethereum/testnet/${config_dir}/genesis.json"
+    touch /var/lib/goethereum/setupdone
+  fi
+else
+  __network="--${NETWORK} --http.api web3,eth,net"
+fi
+
 # Set verbosity
 shopt -s nocasematch
 case ${LOG_LEVEL} in
@@ -72,9 +101,9 @@ if [ -f /var/lib/goethereum/prune-marker ]; then
   fi
 # Word splitting is desired for the command line parameters
 # shellcheck disable=SC2086
-  exec "$@" ${EL_EXTRAS} snapshot prune-state
+  exec "$@" ${__network} ${EL_EXTRAS} snapshot prune-state
 else
 # Word splitting is desired for the command line parameters
 # shellcheck disable=SC2086
-  exec "$@" ${__prune} ${__verbosity} ${EL_EXTRAS}
+  exec "$@" ${__network} ${__prune} ${__verbosity} ${EL_EXTRAS}
 fi