generate-signatures.sh

#!/usr/bin/env bash

export OSMOSIS_CHAIN_ID="osmosis-1"
export OSMOSIS_BROADCAST_MODE="sync"
export NODE="http://143.198.234.89:26657"

HACKED_ACCOUNT="osmo1vcgt5wz8jtp99lkunn4axwdyt3lkd586y4utna"
RECOVER_ACCOUNT=""

declare -a unbond_times=(2021-12-01T20:06:18.759183863Z)

declare -a unbond_amounts=(199000000)

account_sequence(){
  osmosisd query account "$HACKED_ACCOUNT" -o json  --node http://143.198.234.89:26657 --chain-id osmosis-1 | jq -r '.sequence'
}

account_number(){
  osmosisd query account "$HACKED_ACCOUNT" -o json  --node http://143.198.234.89:26657 --chain-id osmosis-1 | jq -r '.account_number'
}

# get sequence number
sequence=$(account_sequence)
acc_num=$(account_number)

for i in {0..50..1}
do
	acc_seq=$(( $sequence + $i ))

	osmosisd tx bank send $HACKED_ACCOUNT $RECOVER_ACCOUNT 199000000uosmo --chain-id osmosis-1 --offline --from $RECOVER_ACCOUNT --sequence $acc_seq --generate-only > unsinged.txt
	
	osmosisd tx sign unsinged.txt --from $HACKED_ACCOUNT --chain-id osmosis-1 --offline --account-number $acc_num --sequence $acc_seq > "tx-$acc_seq-$unbond_amounts.json"
done

run.sh

#!/usr/bin/env bash

export OSMOSIS_CHAIN_ID="osmosis-1"
export OSMOSIS_BROADCAST_MODE="sync"

HACKED_ACCOUNT="osmo1vcgt5wz8jtp99lkunn4axwdyt3lkd586y4utna"

declare -a unbond_times=(2021-12-01T20:06:18.759183863Z)

declare -a unbond_amounts=(199000000)

# broadcast tx +- 30 seconds around unbond time
declare -i pad=30

# sleep 1/2 second between broadcasts
broadcast_delay="0.5"

declare -a unbond_secs

for time in "${unbond_times[@]}"; do
  unbond_secs+=( $(date --date="$time" "+%s") )
done

run_osmosis() {
  # Edit to suit your system if necessary, for example:
  #
  # /usr/local/bin/osmosisd --node "my.host:26657" "$@"

  osmosisd "$@"
}

account_sequence(){
  run_osmosis query account "$HACKED_ACCOUNT" -o json | jq -r '.sequence'
}

handle_target(){
  declare -li now=$1
  declare -li target=$2
  declare -li amount=$3

  # sleep until $pad seconds before unbond
  if [ $((now + pad)) -lt $target ]; then
    declare -li delta=$((target - now - pad))
    echo "$target $amount: waiting $delta seconds..."
    sleep $delta
  fi

  # loop until $pad seconds after unbond
  while [ $((now - pad)) -lt $target ]; do

    # get sequence number
    declare -li sequence=$(account_sequence)

    # broadcast appropriate tx
    run_osmosis tx broadcast "tx-$sequence-$amount.json"

    # sleep $delay
    sleep "$broadcast_delay"

    now=$(date "+%s")
  done
}

run_targets() {
  for target in "${unbond_secs[@]}"; do
    declare -li now=$(date "+%s")

    declare -li amount=${unbond_amounts[0]}
    unbond_amounts=( "${unbond_amounts[@]:1}" )

    if [ $((now - pad)) -gt $target ]; then
      echo "skipping $target $amount"
      continue
    fi

    handle_target $now $target $amount
  done
}

ensure_runnable() {
  if ! run_osmosis status >/dev/null 2>&1 ; then
    echo "osmosis must be installed and configured."
    exit 1
  fi
  if ! which jq >/dev/null 2>&1; then
    echo "jq must be installed."
    exit 1
  fi
  echo "system ready.  continuing...."
}

ensure_runnable
run_targets