add node docker image

Dockerfile.node

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+	FROM golang:1.10-alpine as builder
+
+ RUN apk add --no-cache make gcc musl-dev linux-headers
+
+ ADD . /XDCchain
+
+ RUN cd /XDCchain \
+    && make XDC \
+    && chmod +x /XDCchain/build/bin/XDC
+
+ FROM alpine:latest
+
+ LABEL maintainer="admin@xinfin.org"
+
+ WORKDIR /XDCchain
+
+ COPY --from=builder /XDCchain/build/bin/XDC /usr/local/bin/XDC
+
+ ENV IDENTITY ''
+ENV PASSWORD ''
+ENV PRIVATE_KEY ''
+ENV BOOTNODES ''
+ENV EXTIP ''
+ENV SYNC_MODE 'full'
+ENV NETWORK_ID '89'
+ENV WS_SECRET ''
+ENV NETSTATS_HOST 'netstats-server'
+ENV NETSTATS_PORT '3000'
+
+ RUN apk add --no-cache ca-certificates
+
+ COPY docker/XDCchain ./
+COPY genesis/ ./
+
+ EXPOSE 8545 8546 30303 30303/udp
+
+ ENTRYPOINT ["./entrypoint.sh"]

docker/XDCchain/entrypoint.sh

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+#!/bin/sh -x
+
+# vars from docker env
+# - IDENTITY (default to empty)
+# - PASSWORD (default to empty)
+# - PRIVATE_KEY (default to empty)
+# - BOOTNODES (default to empty)
+# - EXTIP (default to empty)
+# - SYNC_MODE (default to 'full')
+# - NETWORK_ID (default to '89')
+# - WS_SECRET (default to empty)
+# - NETSTATS_HOST (default to 'netstats-server:3000')
+# - NETSTATS_PORT (default to 'netstats-server:3000')
+
+# constants
+DATA_DIR="data"
+KEYSTORE_DIR="keystore"
+
+# variables
+genesisPath=""
+params=""
+accountsCount=$(
+  XDC account list --datadir $DATA_DIR  --keystore $KEYSTORE_DIR \
+  2> /dev/null \
+  | wc -l
+)
+
+# file to env
+for env in IDENTITY PASSWORD PRIVATE_KEY BOOTNODES WS_SECRET NETSTATS_HOST \
+           NETSTATS_PORT EXTIP SYNC_MODE NETWORK_ID; do
+  file=$(eval echo "\$${env}_FILE")
+  if [[ -f $file ]] && [[ ! -z $file ]]; then
+    echo "Replacing $env by $file"
+    export $env=$(cat $file)
+  elif [[ "$env" == "BOOTNODES" ]] && [[ ! -z $file ]]; then
+    echo "Bootnodes file is not available. Waiting for it to be provisioned..."
+    while true ; do
+      if [[ -f $file ]] && [[ $(grep -e enode $file) ]]; then
+        echo "Fount bootnode file."
+        break
+      fi
+      echo "Still no bootnodes file, sleeping..."
+      sleep 5
+    done
+    export $env=$(cat $file)
+  fi
+done
+
+# networkid
+if [[ ! -z $NETWORK_ID ]]; then
+  case $NETWORK_ID in
+    88 )
+      genesisPath="mainnet.json"
+      ;;
+    89 )
+      genesisPath="testnet.json"
+      ;;
+    90 )
+      genesisPath="devnet.json"
+      ;;
+    * )
+      echo "network id not supported"
+      ;;
+  esac
+  params="$params --networkid $NETWORK_ID"
+fi
+
+# data dir
+if [[ ! -d $DATA_DIR/XDC ]]; then
+  echo "No blockchain data, creating genesis block."
+  XDC init $genesisPath --datadir $DATA_DIR 2> /dev/null
+fi
+
+# identity
+if [[ -z $IDENTITY ]]; then
+  IDENTITY="unnamed_$(< /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c6)"
+fi
+
+# password file
+if [[ ! -f ./password ]]; then
+  if [[ ! -z $PASSWORD ]]; then
+    echo "Password env is set. Writing into file."
+    echo "$PASSWORD" > ./password
+  else
+    echo "No password set (or empty), generating a new one"
+    $(< /dev/urandom tr -dc _A-Z-a-z-0-9 | head -c${1:-32} > password)
+  fi
+fi
+
+# private key
+if [[ $accountsCount -le 0 ]]; then
+  echo "No accounts found"
+  if [[ ! -z $PRIVATE_KEY ]]; then
+    echo "Creating account from private key"
+    echo "$PRIVATE_KEY" > ./private_key
+    XDC  account import ./private_key \
+      --datadir $DATA_DIR \
+      --keystore $KEYSTORE_DIR \
+      --password ./password
+  else
+    echo "Creating new account"
+    XDC account new \
+      --datadir $DATA_DIR \
+      --keystore $KEYSTORE_DIR \
+      --password ./password
+  fi
+fi
+account=$(
+  XDC account list --datadir $DATA_DIR  --keystore $KEYSTORE_DIR \
+  2> /dev/null \
+  | head -n 1 \
+  | cut -d"{" -f 2 | cut -d"}" -f 1
+)
+echo "Using account $account"
+params="$params --unlock $account"
+
+# bootnodes
+if [[ ! -z $BOOTNODES ]]; then
+  params="$params --bootnodes $BOOTNODES"
+fi
+
+# extip
+if [[ ! -z $EXTIP ]]; then
+  params="$params --nat extip:${EXTIP}"
+fi
+
+# syncmode
+if [[ ! -z $SYNC_MODE ]]; then
+  params="$params --syncmode ${SYNC_MODE}"
+fi
+
+# netstats
+if [[ ! -z $WS_SECRET ]]; then
+  echo "Will report to netstats server ${NETSTATS_HOST}:${NETSTATS_PORT}"
+  params="$params --ethstats ${IDENTITY}:${WS_SECRET}@${NETSTATS_HOST}:${NETSTATS_PORT}"
+else
+  echo "WS_SECRET not set, will not report to netstats server."
+fi
+
+# dump
+echo "dump: $IDENTITY $account $BOOTNODES"
+
+exec XDC $params \
+  --verbosity 4 \
+  --datadir $DATA_DIR \
+  --keystore $KEYSTORE_DIR \
+  --identity $IDENTITY \
+  --password ./password \
+  --port 30303 \
+  --rpc \
+  --rpccorsdomain "*" \
+  --rpcaddr 0.0.0.0 \
+  --rpcport 8545 \
+  --rpcvhosts "*" \
+  --ws \
+  --wsaddr 0.0.0.0 \
+  --wsport 8546 \
+  --wsorigins "*" \
+  --mine \
+  --gasprice "1" \
+  --targetgaslimit "420000000" \
+  "$@"