function bitcoinExec() {
  command=$1
  log "Bitcoin Exec: $command"
  bitcoinExecResult=$(docker exec bitcoin /usr/local/bin/bitcoin-cli
    -rpcuser=$TAG_rpcuser \
    -rpcpassword=$TAG_rpcpassword \
    $command)
}
function bitcoinBan() {
  thingToBan=$1
  if ! [[ "$csv_peerlist," =~ "$thingToBan," ]]; then
    dnsLookup $thingToBan
    bitcoinExec "setban $ip add 600000"
  fi
}
function dnsLookup() {
  dnsName=$1
  while true; do
    ip=$(dig +short $dnsName.$TAG_network_name.$TAG_domain | head -1 | tr -d "\n")
    if [[ ! -z "$ip" ]]; then
      break
    else
      log "Waiting for $dnsName ($i p) to be populated..."
      sleep 1
    fi
  done
}
for i in `seq 0 $(expr $TAG_total_miners - 1)`; do
  bitcoinBan "miner$i"
done
for i in `seq 0 $(expr $TAG_total_clients - 1)`; do
  bitcoinBan "client$i"
done