build: add Makefile and C runtime configuration files

.gitignore

@@ -1,4 +1,7 @@
 __pycache__/
 venv/
 .venv/
-config.py
+config.py
+*.o
+miner
+launcher

Makefile

@@ -0,0 +1,21 @@
+CC := gcc
+CFLAGS := -O3 -Wall -Wextra -std=c11 -D_GNU_SOURCE -D_POSIX_C_SOURCE=200809L
+LDFLAGS := -pthread -lcrypto -lm
+
+COMMON_OBJS := config.o utils.o json.o rpc.o types.o block_builder.o miner.o mining_loop.o
+
+.PHONY: all clean
+
+all: miner launcher
+
+miner: main.o $(COMMON_OBJS)
+	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
+
+launcher: launcher.o $(COMMON_OBJS)
+	$(CC) $(CFLAGS) -o $@ $^ $(LDFLAGS)
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c $< -o $@
+
+clean:
+	rm -f *.o miner launcher

miner.conf.example

@@ -0,0 +1,23 @@
+# RPC
+RPC_USER=regtest
+RPC_PASSWORD=regtest
+RPC_HOST=127.0.0.1
+RPC_PORT=18443
+
+# Wallet
+WALLET_ADDRESS=bcrt1qn9ewln06n3xmc64278nj8m4nyde7ddeuvsvhw6
+
+# Mining
+DIFFICULTY_FACTOR=0.01
+NONCE_MODE=incremental   # incremental | random | mixed
+TIMESTAMP_UPDATE_INTERVAL=30
+BATCH=10000
+COINBASE_MESSAGE=/c-miner/
+EXTRANONCE1=1234567890abcdef
+EXTRANONCE2=12341234
+
+# Workers
+NUM_PROCESSORS=0         # <=0 uses CPU count
+
+# Watchdog
+CHECK_INTERVAL=20