1 files changed, 71 insertions, 0 deletions

diff --git a/build-linux.sh b/build-linux.sh
new file mode 100644
index 0000000..bb11e82
--- /dev/null
+++ b/build-linux.sh
@@ -0,0 +1,71 @@
+#!/usr/bin/env bash
+# Bitflash headless node/miner -- one-shot Linux build (Debian/Ubuntu).
+# Builds the dependencies (libsecp256k1 with schnorrsig, RandomX) and then the
+# node itself. Run from the project root (the directory that contains src/):
+#
+#   bash build-linux.sh
+#
+# Result: src/bitflash-node . Run it with:  ./src/bitflash-node -gen
+
+set -e
+ROOT="$(cd "$(dirname "$0")" && pwd)"
+cd "$ROOT"
+
+# Use sudo only when not already root (a root login often has no sudo installed).
+SUDO=""
+if [ "$(id -u)" -ne 0 ]; then SUDO="sudo"; fi
+
+echo "==> installing system packages"
+if command -v apt-get >/dev/null 2>&1; then
+  $SUDO apt-get update
+  $SUDO apt-get install -y build-essential cmake git pkg-config autoconf libtool \
+       libssl-dev libdb5.3++-dev libsodium-dev nlohmann-json3-dev libboost-dev
+else
+  echo "!! non-apt system: install manually -> g++ cmake git autoconf libtool"
+  echo "   libssl-dev libdb++-dev libsodium-dev nlohmann-json (headers)"
+fi
+
+# ---- libsecp256k1 (Schnorr/BIP340 + extrakeys), static, installed to /usr/local
+if [ ! -f /usr/local/lib/libsecp256k1.a ]; then
+  echo "==> building libsecp256k1"
+  rm -rf "$ROOT/secp256k1-build"
+  git clone --depth 1 https://github.com/bitcoin-core/secp256k1 "$ROOT/secp256k1-build"
+  cd "$ROOT/secp256k1-build"
+  ./autogen.sh
+  ./configure --enable-module-schnorrsig --enable-module-extrakeys \
+              --disable-shared --with-pic --disable-benchmark --disable-tests
+  make -j"$(nproc)"
+  $SUDO make install
+  $SUDO ldconfig
+  cd "$ROOT"
+else
+  echo "==> libsecp256k1 already installed, skipping"
+fi
+
+# ---- RandomX (memory-hard CPU PoW), static lib
+if [ ! -f "$HOME/RandomX/build/librandomx.a" ]; then
+  echo "==> building RandomX"
+  rm -rf "$HOME/RandomX"
+  git clone --depth 1 https://github.com/tevador/RandomX "$HOME/RandomX"
+  mkdir -p "$HOME/RandomX/build"
+  cd "$HOME/RandomX/build"
+  cmake .. -DCMAKE_BUILD_TYPE=Release
+  make -j"$(nproc)" randomx
+  cd "$ROOT"
+else
+  echo "==> RandomX already built, skipping"
+fi
+
+# ---- the node
+echo "==> building bitflash-node"
+cd "$ROOT/src"
+make -f makefile.linux RANDOMX_DIR="$HOME/RandomX" -j"$(nproc)"
+
+echo
+echo "==================================================================="
+echo " DONE.  Binary: $ROOT/src/bitflash-node"
+echo
+echo " Mine:              ./src/bitflash-node -gen"
+echo " Custom data dir:   ./src/bitflash-node -gen -datadir=\$HOME/.bitflash"
+echo " Run as a service:  see linux-node.service note in the README"
+echo "==================================================================="