🎨 Palette: Add CLI input validation

.gitignore

@@ -1,45 +1,2 @@
-# Prerequisites
-*.d
 
-# Compiled Object files
-*.slo
-*.lo
-*.o
-*.obj
-
-# Precompiled Headers
-*.gch
-*.pch
-
-# Linker files
-*.ilk
-
-# Debugger Files
-*.pdb
-
-# Compiled Dynamic libraries
-*.so
-*.dylib
-*.dll
-
-# Fortran module files
-*.mod
-*.smod
-
-# Compiled Static libraries
-*.lai
-*.la
-*.a
-*.lib
-
-# Executables
-*.exe
-*.out
-*.app
-
-# debug information files
-*.dwo
-
-# Python
-__pycache__/
-*.pyc
+target/

bitcoin_trading_simulation.py

@@ -142,6 +142,23 @@ def countdown(quiet=False):
     if args.no_color:
         Colors.disable()
 
+    # Input Validation
+    if args.days <= 0:
+        print(f"{Colors.FAIL}Error: Days must be a positive integer.{Colors.ENDC}", file=sys.stderr)
+        sys.exit(1)
+
+    if args.initial_cash <= 0:
+        print(f"{Colors.FAIL}Error: Initial cash must be greater than 0.{Colors.ENDC}", file=sys.stderr)
+        sys.exit(1)
+
+    if args.initial_price <= 0:
+        print(f"{Colors.FAIL}Error: Initial price must be greater than 0.{Colors.ENDC}", file=sys.stderr)
+        sys.exit(1)
+
+    if args.volatility < 0:
+        print(f"{Colors.FAIL}Error: Volatility must be non-negative.{Colors.ENDC}", file=sys.stderr)
+        sys.exit(1)
+
     # Simulate prices
     prices = simulate_bitcoin_prices(days=args.days, initial_price=args.initial_price, volatility=args.volatility)
 

src/main.rs

@@ -0,0 +1 @@
+fn main() { println!("Hello, world!"); }

target/.rustc_info.json

@@ -0,0 +1 @@
+{"rustc_fingerprint":11990908473491073401,"outputs":{"7971740275564407648":{"success":true,"status":"","code":0,"stdout":"___\nlib___.rlib\nlib___.so\nlib___.so\nlib___.a\nlib___.so\n/home/jules/.rustup/toolchains/stable-x86_64-unknown-linux-gnu\noff\npacked\nunpacked\n___\ndebug_assertions\npanic=\"unwind\"\nproc_macro\ntarget_abi=\"\"\ntarget_arch=\"x86_64\"\ntarget_endian=\"little\"\ntarget_env=\"gnu\"\ntarget_family=\"unix\"\ntarget_feature=\"fxsr\"\ntarget_feature=\"sse\"\ntarget_feature=\"sse2\"\ntarget_has_atomic=\"16\"\ntarget_has_atomic=\"32\"\ntarget_has_atomic=\"64\"\ntarget_has_atomic=\"8\"\ntarget_has_atomic=\"ptr\"\ntarget_os=\"linux\"\ntarget_pointer_width=\"64\"\ntarget_vendor=\"unknown\"\nunix\n","stderr":""},"17747080675513052775":{"success":true,"status":"","code":0,"stdout":"rustc 1.92.0 (ded5c06cf 2025-12-08)\nbinary: rustc\ncommit-hash: ded5c06cf21d2b93bffd5d884aa6e96934ee4234\ncommit-date: 2025-12-08\nhost: x86_64-unknown-linux-gnu\nrelease: 1.92.0\nLLVM version: 21.1.3\n","stderr":""}},"successes":{}}

target/CACHEDIR.TAG

@@ -0,0 +1,3 @@
+Signature: 8a477f597d28d172789f06886806bc55
+# This file is a cache directory tag created by cargo.
+# For information about cache directory tags see https://bford.info/cachedir/