#!/bin/bash

echo "Preparing to start the XDC chain, it's likely to take up to 1 minute"
# Sleep for > 30 as we need to wait for the ECS tasks container being killed by fargate. Otherwise it will ended up with two same nodes running on a single /work/xdcchain directory
sleep 60

if [ ! -d /work/xdcchain/XDC/chaindata ]
then
  # Randomly select a key from environment variable, seperated by ','
  if test -z "$PRIVATE_KEYS" 
  then
        echo "PRIVATE_KEYS environment variable has not been set. You need to pass at least one PK, or you can pass multiple PK seperated by ',', we will randomly choose one for you"
        exit 1
  fi
  IFS=', ' read -r -a private_keys <<< "$PRIVATE_KEYS"
  private_key=${private_keys[ $RANDOM % ${#private_keys[@]} ]}

  echo "${private_key}" >> /tmp/key
  echo "Creating a new wallet"
  wallet=$(XDC account import --password .pwd --datadir /work/xdcchain /tmp/key | awk -v FS="({|})" '{print $2}')
  XDC --datadir /work/xdcchain init /work/genesis.json
else
  echo "Wallet already exist, re-use the same one"
  wallet=$(XDC account list --datadir /work/xdcchain | head -n 1 | awk -v FS="({|})" '{print $2}')
fi

input="/work/bootnodes.list"
bootnodes=""
while IFS= read -r line
do
    if [ -z "${bootnodes}" ]
    then
        bootnodes=$line
    else
        bootnodes="${bootnodes},$line"
    fi
done < "$input"

log_level=3
if test -z "$LOG_LEVEL" 
then
  echo "Log level not set, default to verbosity of 3"
else
  echo "Log level found, set to $LOG_LEVEL"
  log_level=$LOG_LEVEL
fi

INSTANCE_IP=$(curl https://checkip.amazonaws.com)
netstats="${NODE_NAME}-${wallet}-${INSTANCE_IP}:xinfin_xdpos_hybrid_network_stats@devnetstats.apothem.network:2000"


echo "Running a node with wallet: ${wallet} at IP: ${INSTANCE_IP}"
echo "Starting nodes with $bootnodes ..."

# Note: --gcmode=archive means node will store all historical data. This will lead to high memory usage. Only needed if you need the node to perform historical operations
XDC --ethstats ${netstats} --gcmode=full \
--nat extip:${INSTANCE_IP} \
--bootnodes ${bootnodes} --syncmode fast \
--datadir /work/xdcchain --networkid 551 \
-port 30303 --rpc --rpccorsdomain "*" --rpcaddr 0.0.0.0 \
--rpcport 8545 \
--rpcapi admin,db,eth,debug,miner,net,shh,txpool,personal,web3,XDPoS \
--rpcvhosts "*" --unlock "${wallet}" --password /work/.pwd --mine \
--gasprice "1" --targetgaslimit "420000000" --verbosity ${log_level} \
--periodicprofile --debugdatadir /work/xdcchain \
--ws --wsaddr=0.0.0.0 --wsport 8555 \
--wsorigins "*" 2>&1 >>/work/xdcchain/xdc.log | tee --append /work/xdcchain/xdc.log