Feat:create a new script to generate signet challenge

Dockerfile

@@ -1,43 +1,53 @@
-FROM ubuntu:20.04
+# Build stage for Bitcoin Core
+FROM ubuntu as builder
 
-# Install dependencies
+# Install build dependencies
 RUN apt-get update && apt-get install -y \
     build-essential libtool autotools-dev automake \
     pkg-config bsdmainutils python3 libssl-dev \
     libevent-dev libboost-system-dev libboost-filesystem-dev \
     libboost-chrono-dev libboost-test-dev libboost-thread-dev \
-    libdb-dev libdb++-dev python3-pip jq
+    libdb-dev libdb++-dev python3-pip jq git
 
-# Clone Bitcoin Core
+# Clone and build Bitcoin Core
-RUN apt-get install -y git
+RUN git clone --depth 1 https://github.com/bitcoin/bitcoin.git 
-RUN git clone https://github.com/bitcoin/bitcoin.git
 
-# Build Bitcoin Core
+# Build Bitcoin core
 WORKDIR /bitcoin
 RUN ./autogen.sh
 RUN ./configure
 RUN make
 
-# Copy, Prepare Signet configuration and run signet script
+# Application stage
-COPY generate_signet.sh .
+FROM ubuntu
-RUN chmod +x generate_signet.sh
+
+# Install runtime dependencies
+RUN apt-get update && apt-get install -y \
+python3 libssl-dev libevent-dev libboost-system-dev libboost-filesystem-dev \
+libboost-chrono-dev libboost-test-dev libboost-thread-dev libdb-dev libdb++-dev python3-pip jq
+
+# Copy Binaries and scripts from the builder stage
+COPY --from=builder /bitcoin/src/bitcoind /usr/local/bin/
+COPY --from=builder /bitcoin/src/bitcoin-cli /usr/local/bin/
+COPY --from=builder /bitcoin/contrib/signet/miner /usr/local/bin/
+RUN chmod +x /usr/local/bin/miner
+
+# Copy and prepare sript for signet configurations
+COPY generate_signet.sh /usr/local/bin
+RUN chmod +x /usr/local/bin/generate_signet.sh
 
 # Copy Bitcoin.conf file
 COPY bitcoin.conf /root/.bitcoin/bitcoin.conf
 
-# Copy the generate.py script from the Bitcoin core source
+# Copy the logtail.sh script
-COPY --from=0 /bitcoin/contrib/signet/miner.py /usr/local/bin/
+COPY logtail.sh /usr/local/bin/
-RUN chmod +x /usr/local/bin/miner.py
+RUN chmod +x usr/local/bin/logtail.sh
 
 # Copy the .bashrc file to the container's root directory
 COPY .bashrc /root/.bashrc
 
-# Copy the logtail.sh script
-COPY logtail.sh .
-RUN chmod +x logtail.sh
-
 # Expose necessary ports
 EXPOSE 38333 38332
 
 # Start Bitcoin Core
-CMD ["./generate_signet.sh"]
+CMD ["usr/local/bin/generate_signet.sh"]

bitcoin.conf

@@ -3,8 +3,8 @@ signet=1
 daemon=1
 
 # Custom Signet challenge
-# we would add our custom signet parameters here(currently generic parameters are used)
+# This was generated by running the signet challenge script.
-signetchallenge=5121<PUBKEY>51ae
+signetchallenge= 512102a353dc1b52018dce23d364bb007608a2849caef3f11fe655c9c5d439656d669851ae
 
 
 #rpcauth=would be provided when needed

generate_signet.sh

@@ -1,18 +1,18 @@
 #!/bin/sh
 
-# Start Bitcoind in regtest mode
+# Start Bitcoind in Signet mode
-./src/bitcoind -regtest -daemon -wallet="test" #change wallet name
+/usr/local/bin/bitcoind -signet -daemon -wallet="test" #change wallet name
-echo "wating for regtest bitcoind to start..."
+echo "wating for signet bitcoind to start..."
-while ! ./src/bitcoin-cli -regtest getconnectioncount 2>/dev/null 1>&2; do
+while ! /usr/local/bin/bitcoin-cli -signet getconnectioncount 2>/dev/null 1>&2; do
     echo -n ".";
     sleep 1;
 done
 echo "started"
 
 # Generate mew address and keys
-ADDR=$(./src/bitcoin-cli -regtest getnewaddress '' bech32)
+ADDR=$(/usr/local/bin/bitcoin-cli -signet getnewaddress '' bech32)
-PRIVKEY=$(./src/bitcoin-cli -regtest dumpprivkey $ADDR)
+PRIVKEY=$(/usr/local/bin/bitcoin-cli -signet dumpprivkey $ADDR)
-PUBKEY=$(./src/bitcoin-cli -regtest getaddressinfo $ADDR | jq -r .scriptPubKey)
+PUBKEY=$(/usr/local/bin/bitcoin-cli -signet getaddressinfo $ADDR | jq -r .pubKey)
 
 # Calculate script length and keys
 LENX2=$(printf $PUBKEY | wc -c)
@@ -28,9 +28,6 @@ PUBKEY=$PUBKEY
 SCRIPT=$SCRIPT
 EOF
 
-# Stop the regtest node
-./src/bitcoin-cli -regtest stop
-
 # Create a new directory for the custom signet
 datadir=/root/signet-custom
 mkdir $datadir
@@ -44,29 +41,26 @@ signetchallenge=$SCRIPT
 EOF
 
 # Start bitcoind with the custom signet configuration
-./src/bitcoind -datadir=$datadir -wallet="test"
+/usr/local/bin/bitcoind -datadir=$datadir -signet -wallet="test"
 
 # Wait for the custom signet to start
 echo "Waiting for custom Signet bitcoind to start"
-while ! ./src/bitcoin-cli -datadir=$datadir getconnectioncount 2>/dev/null 1>&2; do
+while ! /usr/local/bin/bitcoin-cli -datadir=$datadir getconnectioncount 2>/dev/null 1>&2; do
      echo -n ".";
      sleep 1;
 done
 echo "Started"
 
 # Import the private key to the custom signet node
-./src/bitcoin-cli -datadir=$datadir importprivkey "$PRIVKEY"
+/usr/local/bin/bitcoin-cli -datadir=$datadir importprivkey "$PRIVKEY"
 
 # Generate a new address for mining
-NADDR=$(./src/bitcoin-cli -datadir=$datadir getnewaddress)
+NADDR=$(/usr/local/bin/bitcoin-cli -datadir=$datadir getnewaddress)
 
 # Examples from
 # https://github.com/bitcoin/bitcoin/pull/19937#issuecomment-696419619
 
 
-# Navigate to the src directory(this assume that Docker workdir is set to the root)
-cd src/
-
 # Define neccessary commands and paths
 MINER="../contrib/signet/miner"
 GRIND="./bitcoin-util grind"

signet_challenge.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# Create a new wallet
+WALLET_NAME="custom_signet_wallet"
+bitcoin-cli -signet createwallet "$WALLET_NAME"
+
+# Generate a new address and retrieve the public key
+ADDRESS=$(bitcoin-cli -signet -rpcwallet="$WALLET_NAME" getnewaddress)
+PUBKEY=$(bitcoin-cli -signet -rpcwallet="$WALLET_NAME" getaddressinfo "$ADDRESS" | jq -r .pubkey)
+
+# Construct the signetchallenge script
+SIGNETCHALLENGE="5121${PUBKEY}51ae"
+
+# Output the signetchallenge
+echo "signetchallenge: $SIGNETCHALLENGE"