From a4f7cdcff042eed3edff8f921d86816b6386a39e Mon Sep 17 00:00:00 2001 From: Tiago Salem Herrmann Date: Wed, 13 Sep 2017 01:38:55 -0300 Subject: [PATCH] Add script --- altcoin_generator.sh | 239 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 239 insertions(+) create mode 100644 altcoin_generator.sh diff --git a/altcoin_generator.sh b/altcoin_generator.sh new file mode 100644 index 0000000..3a03e7b --- /dev/null +++ b/altcoin_generator.sh @@ -0,0 +1,239 @@ +#!/bin/bash -e +# This script is an experiment to clone litecoin into a +# brand new coin + blockchain. +# The script will perform the following steps: +# 1) create first a docker image with ubuntu ready to build and run the new coin daemon +# 2) clone GenesisH0 and mine the genesis blocks of main, test and regtest networks in the container (this may take a lot of time) +# 3) clone litecoin +# 4) replace variables (keys, merkle tree hashes, timestamps..) +# 5) build new coin +# 6) run 4 docker nodes and connect to each other +# +# By default the script uses the regtest network, which can mine blocks +# instantly. If you wish to switch to the main network, simply change the +# CHAIN variable below + +# change the following variables to match your new coin +COIN_NAME="MyCoin" +COIN_UNIT="MYC" +# 42 million lite coins at total +TOTAL_SUPPLY=42000000 +MAINNET_PORT="54321" +TESTNET_PORT="54322" +PHRASE="Some newspaper headline that describes something that happened today" +# First letter of the wallet address. Check https://en.bitcoin.it/wiki/Base58Check_encoding +PUBKEY_CHAR="20" +# leave CHAIN empty for main network, -regtest for regression network and -testnet for test network +CHAIN="-regtest" + +# dont change the following variables unless you know what you are doing +GENESISHZERO_REPOS=https://github.com/lhartikk/GenesisH0 +LITECOIN_REPOS=https://github.com/litecoin-project/litecoin.git +LITECOIN_PUB_KEY=040184710fa689ad5023690c80f3a49c8f13f8d45b8c857fbcbc8bc4a8e4d3eb4b10f4d4604fa08dce601aaf0f470216fe1b51850b4acf21b179c45070ac7b03a9 +LITECOIN_MERKLE_HASH=97ddfbbae6be97fd6cdf3e7ca13232a3afff2353e29badfab7f73011edd4ced9 +LITECOIN_MAIN_GENESIS_HASH=12a765e31ffd4059bada1e25190f6e98c99d9714d334efa41a195a7e7e04bfe2 +LITECOIN_TEST_GENESIS_HASH=4966625a4b2851d9fdee139e56211a0d88575f59ed816ff5e6a63deb4e3e29a0 +LITECOIN_REGTEST_GENESIS_HASH=530827f38f93b43ed12af0b3ad25a288dc02ed74d6d7857862df51fc56c416f9 +COIN_NAME_LOWER=${COIN_NAME,,} +COIN_NAME_UPPER=${COIN_NAME^^} +DIRNAME=$(dirname $0) +DOCKER_NETWORK="172.18.0" + +if [ $DIRNAME = "." ]; then + DIRNAME=$PWD +fi + +cd $DIRNAME + +# sanity check +if ! which docker &>/dev/null; then + echo Please install docker first + exit 1 +fi + +if ! which git &>/dev/null; then + echo Please install git first + exit 1 +fi + +docker_build_image() +{ + IMAGE=$(docker images -q ubuntu-newcoin) + if [ -z $IMAGE ]; then + echo Building docker image + if [ ! -f ubuntu-litecoin/Dockerfile ]; then + mkdir -p ubuntu-litecoin + cat < ubuntu-litecoin/Dockerfile +FROM ubuntu:16.04 +RUN echo deb http://ppa.launchpad.net/bitcoin/bitcoin/ubuntu xenial main >> /etc/apt/sources.list +RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv D46F45428842CE5E +RUN apt-get update +RUN apt-get -y install ccache git libboost-system1.58.0 libboost-filesystem1.58.0 libboost-program-options1.58.0 libboost-thread1.58.0 libboost-chrono1.58.0 libssl1.0.0 libevent-pthreads-2.0-5 libevent-2.0-5 build-essential libtool autotools-dev automake pkg-config libssl-dev libevent-dev bsdmainutils libboost-system-dev libboost-filesystem-dev libboost-chrono-dev libboost-program-options-dev libboost-test-dev libboost-thread-dev libdb4.8-dev libdb4.8++-dev libminiupnpc-dev libzmq3-dev libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev protobuf-compiler libqrencode-dev python-pip +RUN pip install construct==2.5.2 scrypt +EOF + fi + docker build --label ubuntu-newcoin --tag ubuntu-newcoin $DIRNAME/ubuntu-litecoin/ + else + echo Docker image already built + fi +} + +docker_run_genesis() { + mkdir -p $DIRNAME/.ccache + docker run -v $DIRNAME/GenesisH0:/GenesisH0 ubuntu-newcoin /bin/bash -c "$1" +} + +docker_run() { + mkdir -p $DIRNAME/.ccache + docker run -v $DIRNAME/GenesisH0:/GenesisH0 -v $DIRNAME/.ccache:/root/.ccache -v $DIRNAME/$COIN_NAME_LOWER:/$COIN_NAME_LOWER ubuntu-newcoin /bin/bash -c "$1" +} + +docker_run_node() +{ + local NODE_NUMBER=$1 + local NODE_COMMAND=$2 + mkdir -p $DIRNAME/miner${NODE_NUMBER} + if [ ! -f $DIRNAME/miner${NODE_NUMBER}/$COIN_NAME_LOWER.conf ]; then + cat < $DIRNAME/miner${NODE_NUMBER}/$COIN_NAME_LOWER.conf +rpcuser=${COIN_NAME_LOWER}rpc +rpcpassword=$(/dev/null; then + docker network create --subnet=$DOCKER_NETWORK.0/16 newcoin + fi + + docker run --net newcoin --ip $DOCKER_NETWORK.${NODE_NUMBER} -v $DIRNAME/miner${NODE_NUMBER}:/root/.$COIN_NAME_LOWER -v $DIRNAME/$COIN_NAME_LOWER:/$COIN_NAME_LOWER ubuntu-newcoin /bin/bash -c "$NODE_COMMAND" +} + +generate_genesis_block() +{ + if [ ! -d GenesisH0 ]; then + git clone $GENESISHZERO_REPOS + pushd GenesisH0 + else + pushd GenesisH0 + git pull + fi + + if [ ! -f ${COIN_NAME}-main.txt ]; then + echo "Mining genesis block... this procedure can take many hours of cpu work.." + docker_run_genesis "python /GenesisH0/genesis.py -a scrypt -z \"$PHRASE\" 2>&1 | tee /GenesisH0/${COIN_NAME}-main.txt" + else + echo "Genesis block already mined.." + cat ${COIN_NAME}-main.txt + fi + + if [ ! -f ${COIN_NAME}-test.txt ]; then + echo "Mining genesis block of test network... this procedure can take many hours of cpu work.." + docker_run_genesis "python /GenesisH0/genesis.py -t 1486949366 -a scrypt -z \"$PHRASE\" 2>&1 | tee /GenesisH0/${COIN_NAME}-test.txt" + else + echo "Genesis block already mined.." + cat ${COIN_NAME}-test.txt + fi + + if [ ! -f ${COIN_NAME}-regtest.txt ]; then + echo "Mining genesis block of regtest network... this procedure can take many hours of cpu work.." + docker_run_genesis "python /GenesisH0/genesis.py -t 1296688602 -b 0x207fffff -n 0 -a scrypt -z \"$PHRASE\" 2>&1 | tee /GenesisH0/${COIN_NAME}-regtest.txt" + else + echo "Genesis block already mined.." + cat ${COIN_NAME}-regtest.txt + fi + + MAIN_PUB_KEY=$(cat ${COIN_NAME}-main.txt | grep "^pubkey:" | sed 's/^pubkey: //') + MERKLE_HASH=$(cat ${COIN_NAME}-main.txt | grep "^merkle hash:" | sed 's/^merkle hash: //') + TIMESTAMP=$(cat ${COIN_NAME}-main.txt | grep "^time:" | sed 's/^time: //') + BITS=$(cat ${COIN_NAME}-main.txt | grep "^bits:" | sed 's/^bits: //') + + MAIN_NONCE=$(cat ${COIN_NAME}-main.txt | grep "^nonce:" | sed 's/^nonce: //') + TEST_NONCE=$(cat ${COIN_NAME}-test.txt | grep "^nonce:" | sed 's/^nonce: //') + REGTEST_NONCE=$(cat ${COIN_NAME}-regtest.txt | grep "^nonce:" | sed 's/^nonce: //') + + MAIN_GENESIS_HASH=$(cat ${COIN_NAME}-main.txt | grep "^genesis hash:" | sed 's/^genesis hash: //') + TEST_GENESIS_HASH=$(cat ${COIN_NAME}-test.txt | grep "^genesis hash:" | sed 's/^genesis hash: //') + REGTEST_GENESIS_HASH=$(cat ${COIN_NAME}-regtest.txt | grep "^genesis hash:" | sed 's/^genesis hash: //') + + popd +} + +newcoin_replace_vars() +{ + if [ -d $COIN_NAME_LOWER ]; then + echo "Warning: $COIN_NAME_LOWER already existing" + return 0 + fi + # clone litecoin + git clone $LITECOIN_REPOS $COIN_NAME_LOWER + + pushd $COIN_NAME_LOWER + + # first rename all directories + for i in $(find . -type d | grep -v "^./.git" | grep litecoin); do + git mv $i $(echo $i| sed "s/litecoin/$COIN_NAME_LOWER/") + done + + # then rename all files + for i in $(find . -type f | grep -v "^./.git" | grep litecoin); do + git mv $i $(echo $i| sed "s/litecoin/$COIN_NAME_LOWER/") + done + + # now replace all litecoin references to the new coin name + for i in $(find . -type f | grep -v "^./.git"); do + sed -i "s/Litecoin/$COIN_NAME/g" $i + sed -i "s/litecoin/$COIN_NAME_LOWER/g" $i + sed -i "s/LITECOIN/$COIN_NAME_UPPER/g" $i + sed -i "s/LTC/$COIN_UNIT/g" $i + done + + sed -i "s/84000000/$TOTAL_SUPPLY/" src/amount.h + sed -i "s/1,48/1,$PUBKEY_CHAR/" src/chainparams.cpp + + sed -i "s/1317972665/$TIMESTAMP/" src/chainparams.cpp + + sed -i "s;NY Times 05/Oct/2011 Steve Jobs, Apple’s Visionary, Dies at 56;$PHRASE;" src/chainparams.cpp + + sed -i "s/= 9333;/= $MAINNET_PORT;/" src/chainparams.cpp + sed -i "s/= 19335;/= $TESTNET_PORT;/" src/chainparams.cpp + + sed -i "s/$LITECOIN_PUB_KEY/$MAIN_PUB_KEY/" src/chainparams.cpp + sed -i "s/$LITECOIN_MERKLE_HASH/$MERKLE_HASH/" src/chainparams.cpp + sed -i "s/$LITECOIN_MERKLE_HASH/$MERKLE_HASH/" src/qt/test/rpcnestedtests.cpp + + sed -i "0,/$LITECOIN_MAIN_GENESIS_HASH/s//$MAIN_GENESIS_HASH/" src/chainparams.cpp + sed -i "0,/$LITECOIN_TEST_GENESIS_HASH/s//$TEST_GENESIS_HASH/" src/chainparams.cpp + sed -i "0,/$LITECOIN_REGTEST_GENESIS_HASH/s//$REGTEST_GENESIS_HASH/" src/chainparams.cpp + + sed -i "0,/2084524493/s//$MAIN_NONCE/" src/chainparams.cpp + sed -i "0,/293345/s//$TEST_NONCE/" src/chainparams.cpp + sed -i "0,/1296688602, 0/s//1296688602, $REGTEST_NONCE/" src/chainparams.cpp + sed -i "0,/0x1e0ffff0/s//$BITS/" src/chainparams.cpp + + sed -i "s,vSeeds.push_back,//vSeeds.push_back,g" src/chainparams.cpp + + # TODO: fix checkpoints + popd +} + +build_new_coin() +{ + if [ ! -x $COIN_NAME_LOWER/src/${COIN_NAME_LOWER}d ]; then + docker_run "cd /$COIN_NAME_LOWER ; bash /$COIN_NAME_LOWER/autogen.sh" + docker_run "cd /$COIN_NAME_LOWER ; bash /$COIN_NAME_LOWER/configure" + docker_run "cd /$COIN_NAME_LOWER ; make -j2" + fi +} + +docker_build_image +generate_genesis_block +newcoin_replace_vars +build_new_coin + +docker_run_node 2 "cd /$COIN_NAME_LOWER ; ./src/${COIN_NAME_LOWER}d $CHAIN -listen -noconnect -bind=$DOCKER_NETWORK.2 -addnode=$DOCKER_NETWORK.1 -addnode=$DOCKER_NETWORK.3 -addnode=$DOCKER_NETWORK.4 -addnode=$DOCKER_NETWORK.5" & +docker_run_node 3 "cd /$COIN_NAME_LOWER ; ./src/${COIN_NAME_LOWER}d $CHAIN -listen -noconnect -bind=$DOCKER_NETWORK.3 -addnode=$DOCKER_NETWORK.1 -addnode=$DOCKER_NETWORK.2 -addnode=$DOCKER_NETWORK.4 -addnode=$DOCKER_NETWORK.5" & +docker_run_node 4 "cd /$COIN_NAME_LOWER ; ./src/${COIN_NAME_LOWER}d $CHAIN -listen -noconnect -bind=$DOCKER_NETWORK.4 -addnode=$DOCKER_NETWORK.1 -addnode=$DOCKER_NETWORK.2 -addnode=$DOCKER_NETWORK.3 -addnode=$DOCKER_NETWORK.5" & +docker_run_node 5 "cd /$COIN_NAME_LOWER ; ./src/${COIN_NAME_LOWER}d $CHAIN -listen -noconnect -bind=$DOCKER_NETWORK.5 -addnode=$DOCKER_NETWORK.1 -addnode=$DOCKER_NETWORK.2 -addnode=$DOCKER_NETWORK.3 -addnode=$DOCKER_NETWORK.4" & + +echo "Docker containers should be up and running now. You may run the following command to check the network status: +for i in \$(docker ps -q); do docker exec \$i /$COIN_NAME_LOWER/src/${COIN_NAME_LOWER}-cli -regtest getinfo; done" +echo "To ask the nodes to mine some blocks simply run: +for i in \$(docker ps -q); do docker exec \$i /$COIN_NAME_LOWER/src/${COIN_NAME_LOWER}-cli -regtest generate 2 & done"