add heroledger models

heromodels/examples/heroledger/heroledger.rhai

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+// heroledger.rhai - Demonstration of HeroLedger models in Rhai
+
+print("=== HeroLedger Models Demo ===");
+
+// Create a new user
+print("\n--- Creating User ---");
+let new_user = new_user()
+    .name("Alice Johnson")
+    .email("alice@herocode.com")
+    .pubkey("0x1234567890abcdef")
+    .status("Active")
+    .save_user();
+
+print("Created user: " + new_user.get_name());
+print("User ID: " + new_user.get_id());
+print("User email: " + new_user.get_email());
+print("User pubkey: " + new_user.get_pubkey());
+
+// Create a new group
+print("\n--- Creating Group ---");
+let new_group = new_group()
+    .name("HeroCode Developers")
+    .description("A group for HeroCode development team members")
+    .visibility("Public")
+    .save_group();
+
+print("Created group: " + new_group.get_name());
+print("Group ID: " + new_group.get_id());
+print("Group description: " + new_group.get_description());
+
+// Create a new account
+print("\n--- Creating Account ---");
+let new_account = new_account()
+    .name("Alice's Main Account")
+    .description("Primary account for Alice Johnson")
+    .currency("USD")
+    .save_account();
+
+print("Created account: " + new_account.get_name());
+print("Account ID: " + new_account.get_id());
+print("Account currency: " + new_account.get_currency());
+
+// Create a new DNS zone
+print("\n--- Creating DNS Zone ---");
+let new_dns_zone = new_dns_zone()
+    .name("herocode.com")
+    .description("Main domain for HeroCode")
+    .save_dns_zone();
+
+print("Created DNS zone: " + new_dns_zone.get_name());
+print("DNS zone ID: " + new_dns_zone.get_id());
+
+print("\n=== Demo Complete ===");

heromodels/examples/heroledger/main.rs

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+use heromodels_core::db::hero::OurDB;
+use rhai::{Dynamic, Engine};
+use heromodels::models::heroledger::rhai::register_heroledger_rhai_modules;
+use std::sync::Arc;
+use std::{fs, path::Path};
+
+const CALLER_ID: &str = "example_caller";
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    // Initialize Rhai engine
+    let mut engine = Engine::new();
+
+    // Initialize database with OurDB
+    let db_path = "temp_heroledger_db";
+    // Clean up previous database file if it exists
+    if Path::new(db_path).exists() {
+        fs::remove_dir_all(db_path)?;
+    }
+    let _db = Arc::new(OurDB::new(db_path, true).expect("Failed to create database"));
+
+    // Register the heroledger modules with Rhai
+    register_heroledger_rhai_modules(&mut engine);
+
+    let mut db_config = rhai::Map::new();
+    db_config.insert("DB_PATH".into(), db_path.into());
+    db_config.insert("CALLER_ID".into(), CALLER_ID.into());
+    db_config.insert("CONTEXT_ID".into(), CALLER_ID.into());
+    engine.set_default_tag(Dynamic::from(db_config)); // Or pass via CallFnOptions
+
+    // Load and evaluate the Rhai script
+    let manifest_dir = env!("CARGO_MANIFEST_DIR");
+    let script_path = Path::new(manifest_dir)
+        .join("examples")
+        .join("heroledger")
+        .join("heroledger.rhai");
+    println!("Script path: {}", script_path.display());
+    let script = fs::read_to_string(&script_path)?;
+
+    println!("--- Running HeroLedger Rhai Script ---");
+    match engine.eval::<()>(&script) {
+        Ok(_) => println!("\n--- Script executed successfully! ---"),
+        Err(e) => eprintln!("\n--- Script execution failed: {} ---", e),
+    }
+
+    // Clean up the database file
+    fs::remove_dir_all(db_path)?;
+    println!("--- Cleaned up temporary database. ---");
+
+    Ok(())
+}