From 3b2e86a7546abbf707eede11b3de3e42cdd269ed Mon Sep 17 00:00:00 2001 From: Devin Bileck <603793+devinbileck@users.noreply.github.com> Date: Tue, 18 Jun 2019 16:53:02 -0700 Subject: [PATCH] Add shell script for creating DAO genesis transaction --- scripts/create_dao_genesis.sh | 196 ++++++++++++++++++++++++++++++++++ 1 file changed, 196 insertions(+) create mode 100644 scripts/create_dao_genesis.sh diff --git a/scripts/create_dao_genesis.sh b/scripts/create_dao_genesis.sh new file mode 100644 index 0000000000..2b76ec1d34 --- /dev/null +++ b/scripts/create_dao_genesis.sh @@ -0,0 +1,196 @@ +#!/usr/bin/env bash +# This script can be used to create a Bisq DAO genesis transaction on either regtest or testnet. +# Requirements: +# - bc and jq must be installed (e.g. sudo apt install bc jq) + +set -e + +BTC_NETWORK=regtest +GENESIS_BSQ_AMOUNT=0 +GENESIS_BSQ_DISTRIBUTION=() +BITCOIND_CONFIG=/var/lib/bitcoind/bitcoin.conf + +function show_help() { + cat << END +Usage: ${0##*/} [-h] [-c CONF_FILE] [-n NETWORK] [GENESIS_BSQ_AMOUNT] [GENESIS_BSQ_DISTRIBUTION] + +GENESIS_BSQ_AMOUNT + Total amount of BSQ to include in the genesis transaction (if not specified, will be prompted). + +GENESIS_BSQ_DISTRIBUTION + Distribution of BSQ within the genesis transaction [bsq_amount:bsq_address,...] (if not specified, will be prompted). + +-h --help + Display this help message and exit. + +-c --conf + Path to bitcoind configuration file (default is /var/lib/bitcoind/bitcoin.conf). + +-n --network + Bitcoin network [REGTEST|TESTNET] (default is REGTEST). +END +} + +function read_input() { + while true; do + read input + if [[ ${input} =~ $1 ]]; then + echo "${input}" + break + fi + echo >&2 "Invalid input, try again" + done +} + +function generate_prevtx_json() { + json_file="prevtxs.json" + local tx_data=$1 + local txid=$2 + local vout=$(echo ${tx_data} | jq '.n') + local scriptPubkey=$(echo ${tx_data} | jq '.scriptPubKey.hex') + local amount=$(echo ${tx_data} | jq '.value') + echo -en "[{\n" > ${json_file} + echo -en " \"txid\": \"${txid}\",\n" >> ${json_file} + echo -en " \"vout\": ${vout},\n" >> ${json_file} + echo -en " \"scriptPubKey\": ${scriptPubkey},\n" >> ${json_file} + echo -en " \"amount\": ${amount}\n" >> ${json_file} + echo -en "}]\n" >> ${json_file} +} + +function generate_privkeys_json() { + json_file="privatekeys.json" + local address=$1 + local privkey=$(${BITCOIN_CLI} dumpprivkey ${address}) + echo -en "[\"$privkey\"]\n" > ${json_file} +} + +while (( $# )); do + case ${1:-} in + -h|-\?|--help) + show_help + exit + ;; + -c|--conf) + if [[ -f "$2" ]]; then + BITCOIND_CONFIG=$2 + shift + else + echo "ERROR: Specified 'conf' file does not exist" + exit 1 + fi + ;; + -n|--network) + if [[ $2 =~ ^REGTEST|TESTNET$ ]]; then + BTC_NETWORK=$2 + shift + else + echo "ERROR: Specified 'network' is not valid, must be REGTEST or TESTNET" + exit 1 + fi + ;; + --) # End of all options + shift + break + ;; + -?*) + printf "ERROR: Unknown option: %s\n" "$1" + exit 1 + ;; + *) # Default case; no more options, so break out of the loop + break + esac + shift +done + +if [[ $1 =~ ^[0-9]+\.?[0-9]*$ ]]; then + GENESIS_BSQ_AMOUNT=$1 +elif [[ "$1" ]]; then + echo "ERROR: Invalid BSQ amount" + exit 1 +fi + +if [[ $2 =~ ^([0-9]+\.?[0-9]*:B.+)(,[0-9]+\.?[0-9]*:B.+)*$ ]]; then + IFS=',' read -r -a GENESIS_BSQ_DISTRIBUTION <<< "$2" +elif [[ "$2" ]]; then + echo "ERROR: Invalid BSQ distribution format, must be [bsq_amount:bsq_address,...]" + exit 1 +fi + +BITCOIN_CLI="bitcoin-cli -conf=${BITCOIND_CONFIG}" +BITCOIN_TX="bitcoin-tx -${BTC_NETWORK}" + +${BITCOIN_CLI} getblockcount &>/dev/null +if [[ $? -eq 1 ]]; then + echo "ERROR: bitcoind must be running" + exit 1 +fi + +if (( $(echo "${GENESIS_BSQ_AMOUNT} == 0" | bc -l) )); then + echo "How much BSQ would you like to distribute in the genesis transaction?" + GENESIS_BSQ_AMOUNT=$(read_input "^[0-9]+\.?[0-9]*$") +fi + +GENESIS_BTC_AMOUNT=$(awk "BEGIN {printf \"%.8f\",${GENESIS_BSQ_AMOUNT}/1000000.00}") +GENESIS_BTC_FUNDING_AMOUNT=$(awk "BEGIN {printf \"%.8f\",${GENESIS_BTC_AMOUNT}+0.0001}") + +btc_balance=$(${BITCOIN_CLI} getbalance) +if (( $(echo "${btc_balance} < ${GENESIS_BTC_FUNDING_AMOUNT}" | bc -l) )); then + printf "ERROR: Insufficient balance; %'.8f BTC is required but only %'.8f BTC is available\n" ${GENESIS_BTC_FUNDING_AMOUNT} ${btc_balance} + exit 1 +fi + +distributed_bsq_amount=0 +if [[ ${#GENESIS_BSQ_DISTRIBUTION[@]} -eq 0 ]]; then + printf "How many contributors would you like to include in the genesis transaction? (totaling %'.2f BSQ)\n" ${GENESIS_BSQ_AMOUNT} + contributor_count=$(read_input "^[0-9]+$") + for (( i = 1; i <= ${contributor_count}; ++i )); do + echo "Enter the BSQ address of contributor ${i}:" + bsq_address=$(read_input "^B.+$") + echo "Enter the amount of BSQ for contributor ${i}:" + bsq_amount=$(read_input "^[0-9]+\.?[0-9]*$") + GENESIS_BSQ_DISTRIBUTION+=("${bsq_amount}:${bsq_address}") + distributed_bsq_amount=$(awk "BEGIN {printf \"%.2f\",${distributed_bsq_amount}+${bsq_amount}}") + done +else + for item in "${GENESIS_BSQ_DISTRIBUTION[@]}"; do + bsq_amount="${item%%:*}" + distributed_bsq_amount=$(awk "BEGIN {printf \"%.2f\",${distributed_bsq_amount}+${bsq_amount}}") + done +fi +if (( $(echo "${distributed_bsq_amount} != ${GENESIS_BSQ_AMOUNT}" | bc -l) )); then + printf "ERROR: The BSQ amount being distributed is %'.2f but must total %'.2f\n" ${distributed_bsq_amount} ${GENESIS_BSQ_AMOUNT} + exit 1 +fi + +genesis_input_address=$(${BITCOIN_CLI} getnewaddress "Genesis funding address") +printf "Sending %'.8f BTC to genesis funding address ${genesis_input_address}\n" ${GENESIS_BTC_FUNDING_AMOUNT} +genesis_input_txid=$(${BITCOIN_CLI} sendtoaddress ${genesis_input_address} ${GENESIS_BTC_FUNDING_AMOUNT}) +echo "Genesis funding txid is ${genesis_input_txid}" + +echo "Creating genesis transaction" +tx_hex=$(${BITCOIN_CLI} gettransaction ${genesis_input_txid} | jq '.hex'|tr -d '"') +vin_json=$(${BITCOIN_CLI} decoderawtransaction ${tx_hex} | jq ".vout | map(select(.value==${GENESIS_BTC_FUNDING_AMOUNT}))[0]" | tr -d "[ \n\t]") +vout=$(echo ${vin_json}|jq '.n') + +generate_prevtx_json ${vin_json} ${genesis_input_txid} +generate_privkeys_json ${genesis_input_address} + +outaddr= +for item in "${GENESIS_BSQ_DISTRIBUTION[@]}"; do + bsq_amount="${item%%:*}" + btc_amount="$(awk "BEGIN {printf \"%.8f\",${bsq_amount}/1000000.00}")" + bsq_address="${item##*:}" + outaddr="${outaddr}outaddr=${btc_amount}:${bsq_address##B} " +done + +genesis_raw=$(${BITCOIN_TX} -create in=${genesis_input_txid}:${vout} ${outaddr} load=prevtxs:prevtxs.json load=privatekeys:privatekeys.json sign=ALL) +echo "The raw genesis transaction is $genesis_raw" + +echo "Decoded transaction:" +genesis_decoded=$(${BITCOIN_CLI} decoderawtransaction ${genesis_raw}) +echo ${genesis_decoded}| jq '.' +genesis_txid=$(echo ${genesis_decoded}| jq '.txid'|tr -d '"') + +echo "Please ensure the above decoded transaction looks valid, and then press Enter to broadcast the genesis transaction (Ctrl+C otherwise)" +read +echo "Genesis txid is $(${BITCOIN_CLI} sendrawtransaction ${genesis_raw})"