chore: build script error handling

build.sh

@@ -1,6 +1,104 @@
 #!/bin/bash
-sh fix_and_fmt.sh
-cd ir_manager
-cargo run --features export-api > candid.did
-cd ..
-cargo build --release --target wasm32-unknown-unknown --features export-api
+
+# Script to build and format the IR Manager canister
+# This script:
+# 1. Generates Candid interface
+# 2. Builds optimized WASM binary
+# 3. Performs error checking at each step
+
+# Exit on any error
+set -e
+
+# Enable command printing for debugging
+set -x
+
+# Constants
+CYAN='\033[0;36m'
+GREEN='\033[0;32m'
+RED='\033[0;31m'
+NC='\033[0m' # No Color
+
+# Project directories
+IR_MANAGER_DIR="ir_manager"
+TARGET_DIR="target/wasm32-unknown-unknown/release"
+
+# Log function for consistent formatting
+log() {
+    echo -e "${CYAN}[$(date +'%Y-%m-%d %H:%M:%S')]${NC} $1"
+}
+
+error() {
+    echo -e "${RED}[ERROR] $1${NC}" >&2
+    exit 1
+}
+
+success() {
+    echo -e "${GREEN}[SUCCESS] $1${NC}"
+}
+
+# Check if required tools are installed
+check_dependencies() {
+    log "Checking dependencies..."
+
+    if ! command -v cargo &> /dev/null; then
+        error "cargo is not installed. Please install Rust toolchain."
+    fi
+
+    if ! rustup target list | grep -q "wasm32-unknown-unknown (installed)"; then
+        log "Installing WASM target..."
+        rustup target add wasm32-unknown-unknown || error "Failed to install WASM target"
+    }
+}
+
+# Generate Candid interface
+generate_candid() {
+    log "Generating Candid interface..."
+
+    cd "$IR_MANAGER_DIR" || error "Failed to enter ir_manager directory"
+
+    if ! cargo run --features export-api > candid.did; then
+        error "Failed to generate Candid interface"
+    fi
+
+    if [ ! -s candid.did ]; then
+        error "Generated Candid file is empty"
+    fi
+
+    success "Generated Candid interface"
+    cd ..
+}
+
+# Build optimized WASM binary
+build_wasm() {
+    log "Building optimized WASM binary..."
+
+    RUSTFLAGS='-C link-arg=-s' cargo build \
+        --release \
+        --target wasm32-unknown-unknown \
+        --features export-api || error "WASM build failed"
+
+    # Verify the WASM file exists and has non-zero size
+    if [ ! -s "$TARGET_DIR/ir_manager.wasm" ]; then
+        error "WASM binary not generated or empty"
+    fi
+
+    success "Built WASM binary successfully"
+
+    # Print binary size for information
+    WASM_SIZE=$(ls -lh "$TARGET_DIR/ir_manager.wasm" | awk '{print $5}')
+    log "WASM binary size: $WASM_SIZE"
+}
+
+# Main execution
+main() {
+    log "Starting build process..."
+
+    check_dependencies
+    generate_candid
+    build_wasm
+
+    success "Build completed successfully!"
+}
+
+# Execute main function
+main