anya-core 1.2.0

// RGB Layer 2 implementation
//
// This module provides an implementation of RGB protocol, a client-side
// validation solution for Bitcoin assets. It allows for the creation
// and transfer of complex assets on top of Bitcoin's blockchain.

mod client;
mod contract;
mod node;
mod schema;
mod state;
mod wallet;

// Export RGB types from submodules
pub use self::client::{ClientConfig, RGBClient, RGBClientBuilder};
pub use self::contract::{Contract, ContractBuilder, ContractType, Witness};
pub use self::node::{NodeConfig, RGBNode};
pub use self::schema::{Field, FieldType, Schema, SchemaType, Validation};
pub use self::state::{StateTransfer, StateTransition, StateValidator};
pub use self::wallet::{AssetBalance, RGBWallet};

use bitcoin::Txid;
use std::collections::HashMap;
use std::path::PathBuf;
// async_trait is implemented at trait definition level
// use async_trait::async_trait;

use crate::bitcoin::wallet::transactions::TxOptions;
use crate::AnyaResult;

/// RGB asset data
#[derive(Debug, Clone)]
pub struct RGBAsset {
    /// Unique identifier for the asset
    pub id: String,

    /// Asset name
    pub name: String,

    /// Asset description
    pub description: Option<String>,

    /// Total supply
    pub total_supply: u64,

    /// Decimal precision
    pub precision: u8,

    /// Asset metadata
    pub metadata: HashMap<String, String>,

    /// Contract ID that issued this asset
    pub contract_id: String,

    /// Schema used by this asset
    pub schema_id: String,
}

/// RGB asset transfer request
#[derive(Debug, Clone)]
pub struct AssetTransfer {
    /// Asset ID to transfer
    pub asset_id: String,

    /// Amount to transfer
    pub amount: u64,

    /// Recipient commitment (UTXO or invoice)
    pub recipient: String,

    /// Optional change output
    pub change_address: Option<String>,

    /// Fee rate in sat/vB
    pub fee_rate: u64,

    /// Transaction options
    pub tx_options: Option<TxOptions>,
}

/// Main interface for RGB operations
#[async_trait::async_trait]
pub trait RGBManager: Send + Sync {
    /// Create a new asset
    async fn create_asset(&self, params: AssetCreationParams) -> AnyaResult<RGBAsset>;

    /// Transfer an asset
    async fn transfer_asset(&self, transfer: AssetTransfer) -> AnyaResult<TransferStatus>;

    /// Get asset information
    async fn get_asset(&self, asset_id: &str) -> AnyaResult<Option<RGBAsset>>;

    /// List all assets
    async fn list_assets(&self) -> AnyaResult<Vec<RGBAsset>>;

    /// Get asset balance
    async fn get_balance(&self, asset_id: &str) -> AnyaResult<u64>;

    /// Get transfer history for an asset
    async fn get_history(&self, asset_id: &str) -> AnyaResult<Vec<HistoryEntry>>;

    /// Validate an asset's state
    async fn validate_asset(&self, asset_id: &str) -> AnyaResult<bool>;

    /// Import an asset from a contract
    async fn import_asset(&self, contract_data: &[u8]) -> AnyaResult<RGBAsset>;

    /// Export asset data
    async fn export_asset(&self, asset_id: &str) -> AnyaResult<Vec<u8>>;
}

/// Factory for creating RGB managers
pub struct RGBFactory;

impl RGBFactory {
    /// Create a new RGB manager with the given configuration
    pub fn new_manager(config: RGBConfig) -> Box<dyn RGBManager> {
        Box::new(DefaultRGBManager::new(config))
    }

    /// Create a default RGB manager
    pub fn default_manager() -> Box<dyn RGBManager> {
        Box::new(DefaultRGBManager::default())
    }
}

/// Configuration for RGB operations
#[derive(Debug, Clone)]
pub struct RGBConfig {
    /// Path to RGB data directory
    pub data_dir: PathBuf,

    /// Network to use
    pub network: String,

    /// Enable debugging
    pub debug: bool,

    /// Connection timeout in seconds
    pub timeout: u64,

    /// RGB node endpoint
    pub node_endpoint: Option<String>,
}

impl Default for RGBConfig {
    fn default() -> Self {
        Self {
            data_dir: PathBuf::from("~/.rgb"),
            network: "bitcoin".to_string(),
            debug: false,
            timeout: 30,
            node_endpoint: None,
        }
    }
}

/// Parameters for creating a new asset
#[derive(Debug, Clone)]
pub struct AssetCreationParams {
    /// Asset name
    pub name: String,

    /// Asset description
    pub description: Option<String>,

    /// Total supply
    pub total_supply: u64,

    /// Decimal precision
    pub precision: u8,

    /// Asset metadata
    pub metadata: HashMap<String, String>,

    /// Asset schema ID
    pub schema_id: String,

    /// Issuer information
    pub issuer: String,
}

/// Status of an asset transfer
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum TransferStatus {
    /// Transfer is pending
    Pending,

    /// Transfer is confirmed
    Confirmed,

    /// Transfer failed
    Failed(String),

    /// Transfer was rejected
    Rejected(String),
}

/// Entry in an asset's history
#[derive(Debug, Clone)]
pub struct HistoryEntry {
    /// Transaction ID
    pub txid: Txid,

    /// Operation type
    pub operation: OperationType,

    /// Amount involved
    pub amount: u64,

    /// Timestamp
    pub timestamp: u64,

    /// Confirmation status
    pub confirmed: bool,
}

/// Types of operations in asset history
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum OperationType {
    /// Asset issuance
    Issue,

    /// Asset transfer
    Transfer,

    /// Asset burn
    Burn,

    /// Asset reissuance
    Reissue,
}

/// Default implementation of the RGB manager
#[allow(dead_code)]
struct DefaultRGBManager {
    /// RGB client
    client: Option<RGBClient>,

    /// Configuration
    config: RGBConfig,
}

impl DefaultRGBManager {
    /// Create a new default RGB manager
    pub fn new(config: RGBConfig) -> Self {
        Self {
            client: None,
            config,
        }
    }

    /// Initialize the RGB client
    async fn _init_client(&mut self) -> AnyaResult<()> {
        use crate::bitcoin::layer2::rgb::RGBWallet;
        if self.client.is_none() {
            // Create a dummy wallet for now (should be replaced with real wallet logic)
            let wallet = RGBWallet::new("dummy-address");
            let client = RGBClient::new(wallet);
            self.client = Some(client);
        }
        Ok(())
    }
}

impl Default for DefaultRGBManager {
    fn default() -> Self {
        Self::new(RGBConfig::default())
    }
}

#[async_trait::async_trait]
impl RGBManager for DefaultRGBManager {
    async fn create_asset(&self, _params: AssetCreationParams) -> AnyaResult<RGBAsset> {
        // Placeholder implementation
        Ok(RGBAsset {
            id: "placeholder_asset".to_string(),
            name: "Placeholder Asset".to_string(),
            description: Some("Placeholder RGB asset".to_string()),
            total_supply: 1000000,
            precision: 8,
            metadata: HashMap::new(),
            contract_id: "placeholder_contract".to_string(),
            schema_id: "placeholder_schema".to_string(),
        })
    }

    async fn transfer_asset(&self, _transfer: AssetTransfer) -> AnyaResult<TransferStatus> {
        // Placeholder implementation
        Ok(TransferStatus::Pending)
    }

    async fn get_asset(&self, _asset_id: &str) -> AnyaResult<Option<RGBAsset>> {
        // Placeholder implementation
        Ok(None)
    }

    async fn list_assets(&self) -> AnyaResult<Vec<RGBAsset>> {
        // Placeholder implementation
        Ok(Vec::new())
    }

    async fn get_balance(&self, _asset_id: &str) -> AnyaResult<u64> {
        // Placeholder implementation
        Ok(0)
    }

    async fn get_history(&self, _asset_id: &str) -> AnyaResult<Vec<HistoryEntry>> {
        // Placeholder implementation
        Ok(Vec::new())
    }

    async fn validate_asset(&self, _asset_id: &str) -> AnyaResult<bool> {
        // Placeholder implementation
        Ok(true)
    }

    async fn import_asset(&self, _contract_data: &[u8]) -> AnyaResult<RGBAsset> {
        // Placeholder implementation
        Ok(RGBAsset {
            id: "imported_asset".to_string(),
            name: "Imported Asset".to_string(),
            description: Some("Imported RGB asset".to_string()),
            total_supply: 1000000,
            precision: 8,
            metadata: HashMap::new(),
            contract_id: "imported_contract".to_string(),
            schema_id: "imported_schema".to_string(),
        })
    }

    async fn export_asset(&self, _asset_id: &str) -> AnyaResult<Vec<u8>> {
        // Placeholder implementation
        Ok(Vec::new())
    }
}