anya_core/layer2/lightning/
mod.rs

1// [AIR-3][AIS-3][AIM-3][BPC-3][RES-3]
2//! Lightning Network implementation following BDF v2.5 standards
3//!
4//! This module provides a Lightning Network implementation that conforms to
5//! official Bitcoin Improvement Proposals (BIPs) requirements, including proper hexagonal
6//! architecture and non-interactive oracle patterns.
7
8// [AIR-3][AIS-3][BPC-3][RES-3] Import necessary dependencies for Lightning implementation
9// This follows official Bitcoin Improvement Proposals (BIPs) for Lightning Network
10use serde::{Deserialize, Serialize};
11use uuid;
12
13use crate::layer2::{
14    AssetParams, AssetTransfer, Layer2Error, Proof, ProtocolState, TransactionStatus,
15    TransferResult, ValidationResult, VerificationResult,
16};
17
18/// Lightning Network configuration
19#[derive(Debug, Clone, Serialize, Deserialize)]
20pub struct LightningConfig {
21    /// Network type: mainnet, testnet, regtest
22    pub network: String,
23    /// Node URL
24    pub node_url: String,
25    /// Macaroon for authentication (hex encoded)
26    pub macaroon: String,
27    /// TLS certificate (base64 encoded)
28    pub cert: String,
29}
30
31impl Default for LightningConfig {
32    fn default() -> Self {
33        Self {
34            network: "regtest".to_string(),
35            node_url: "127.0.0.1:10009".to_string(),
36            macaroon: "0201036c6e64022f030a10b493a60e861b6c8a0e0a854355b4320612071f9e0f708e354d9234d6171d7cd0111d1313c7cd088f8ac2cd900101201301".to_string(),
37            cert: "".to_string(),
38        }
39    }
40}
41
42/// Lightning Network implementation
43#[derive(Debug, Clone)]
44pub struct LightningNetwork {
45    /// Lightning configuration
46    pub config: LightningConfig,
47    /// Connection status
48    pub connected: bool,
49    /// Node public key
50    pub node_pubkey: Option<String>,
51    /// Lightning channels
52    pub channels: Vec<LightningChannel>,
53}
54
55/// Lightning Channel representation
56#[derive(Debug, Clone)]
57pub struct LightningChannel {
58    /// Channel ID
59    pub channel_id: String,
60    /// Remote node pubkey
61    pub remote_pubkey: String,
62    /// Local balance in sats
63    pub local_balance: u64,
64    /// Remote balance in sats
65    pub remote_balance: u64,
66    /// Channel capacity
67    pub capacity: u64,
68    /// Active status
69    pub active: bool,
70}
71
72/// Lightning invoice representation
73#[derive(Debug, Clone)]
74pub struct LightningInvoice {
75    /// Payment hash
76    pub payment_hash: String,
77    /// Payment request (BOLT11)
78    pub payment_request: String,
79    /// Description
80    pub description: String,
81    /// Amount in sats
82    pub amount_sats: u64,
83    /// Timestamp
84    pub timestamp: u64,
85    /// Expiry time in seconds
86    pub expiry: u64,
87}
88
89impl LightningNetwork {
90    /// Create a new Lightning Network instance
91    pub fn new(config: LightningConfig) -> Self {
92        Self {
93            config,
94            connected: false,
95            node_pubkey: None,
96            channels: Vec::new(),
97        }
98    }
99
100    /// Create a new Lightning Network instance with default configuration
101    pub fn new_default() -> Self {
102        Self::new(LightningConfig::default())
103    }
104}
105
106impl Default for LightningNetwork {
107    fn default() -> Self {
108        Self::new(LightningConfig::default())
109    }
110}
111
112// Methods for LightningNetwork
113impl LightningNetwork {
114    /// Create a payment invoice
115    pub fn create_invoice(
116        &self,
117        amount_sats: u64,
118        description: &str,
119    ) -> Result<LightningInvoice, Box<dyn std::error::Error + Send + Sync>> {
120        // Create a unique payment hash
121        let payment_hash = format!("ph_{}", uuid::Uuid::new_v4());
122
123        // Create the invoice
124        let invoice = LightningInvoice {
125            payment_hash,
126            payment_request: format!("lnbc{}n1p0rkj34pp5{}zktzcaayf952fuknteqkzn269ghmgj8w6hzygxg7dfty02qsdqqcqzpgsp5{}q9qy9qsqsp5{}ac0ddx0gsw3tx8d46vdr5n04w4jf4sn4m48m2uus8gusq9qyyssq4g8p6qpk370wljx8y60naskwd30p4y08k4qgyhkz4q2tyjn0cta9ewchqs2536nx7k6hv28kg0hw0z2rrw48qxvj9x8khjx94fqqhwcpw5qzty", 
127                                       amount_sats,
128                                       uuid::Uuid::new_v4(),
129                                       uuid::Uuid::new_v4(),
130                                       uuid::Uuid::new_v4()),
131            description: description.to_string(),
132            amount_sats,
133            timestamp: std::time::SystemTime::now().duration_since(std::time::UNIX_EPOCH).unwrap().as_secs(),
134            expiry: 3600,
135        };
136
137        Ok(invoice)
138    }
139
140    /// Pay a lightning invoice
141    pub fn pay_invoice(
142        &self,
143        payment_request: &str,
144    ) -> Result<String, Box<dyn std::error::Error + Send + Sync>> {
145        // Simulate payment
146        // In real implementation, this would call the LND API
147
148        // Extract payment hash from the invoice
149        // This is just a simulation - in reality we'd decode the BOLT11 invoice
150        let payment_hash = if payment_request.len() > 20 {
151            payment_request[20..52].to_string()
152        } else {
153            return Err(Box::new(Layer2Error::Protocol(
154                "Invalid payment request".to_string(),
155            )));
156        };
157
158        Ok(payment_hash)
159    }
160
161    /// Open a lightning channel
162    pub fn open_channel(
163        &mut self,
164        remote_pubkey: &str,
165        capacity: u64,
166    ) -> Result<String, Box<dyn std::error::Error + Send + Sync>> {
167        // Create a channel ID
168        let channel_id = format!("chan_{}", uuid::Uuid::new_v4());
169
170        // Create the channel
171        let channel = LightningChannel {
172            channel_id: channel_id.clone(),
173            remote_pubkey: remote_pubkey.to_string(),
174            local_balance: capacity,
175            remote_balance: 0,
176            capacity,
177            active: true,
178        };
179
180        // Add to channels list
181        self.channels.push(channel);
182
183        Ok(channel_id)
184    }
185
186    /// Get channel information
187    pub fn get_channel_info(
188        &self,
189        channel_id: &str,
190    ) -> Result<&LightningChannel, Box<dyn std::error::Error + Send + Sync>> {
191        // Find the channel
192        match self.channels.iter().find(|c| c.channel_id == channel_id) {
193            Some(channel) => Ok(channel),
194            None => Err(Box::new(Layer2Error::Protocol(format!(
195                "Channel not found with id: {channel_id}"
196            )))),
197        }
198    }
199
200    /// Get balance for an asset
201    pub fn get_balance(
202        &self,
203        _asset_id: &str,
204    ) -> Result<u64, Box<dyn std::error::Error + Send + Sync>> {
205        // In Lightning, we just return the sum of channel capacities
206        let total_capacity = self.channels.iter().map(|c| c.local_balance).sum::<u64>();
207
208        Ok(total_capacity)
209    }
210
211    /// Get the Lightning Network's balance for a specific asset
212    pub fn get_balance_by_asset(
213        &self,
214        asset_id: &str,
215    ) -> Result<u64, Box<dyn std::error::Error + Send + Sync>> {
216        // For Lightning, the asset_id is ignored as we just deal with BTC
217        println!("Getting balance for asset_id {asset_id}");
218
219        let total_capacity = self.channels.iter().map(|c| c.local_balance).sum::<u64>();
220
221        Ok(total_capacity)
222    }
223
224    /// Send payment
225    pub fn send(
226        &mut self,
227        to: &str,
228        amount: u64,
229        _asset_id: &str,
230    ) -> Result<TransactionStatus, Box<dyn std::error::Error + Send + Sync>> {
231        // In Lightning, we would create a payment via BOLT11 invoice
232        // This is a mock implementation
233        println!("Sending {amount} sats to {to}");
234        Ok(TransactionStatus::Confirmed)
235    }
236
237    /// Create a payment channel to a node
238    pub fn create_payment_channel(
239        &mut self,
240        node_id: &str,
241        capacity: u64,
242    ) -> Result<String, Box<dyn std::error::Error + Send + Sync>> {
243        // In a real implementation, this would create an actual payment channel via LND API
244        println!("Creating payment channel to {node_id} with capacity {capacity}");
245
246        // Generate a channel ID
247        let channel_id = format!("chan_{}", uuid::Uuid::new_v4());
248
249        // Create a channel object
250        let channel = LightningChannel {
251            channel_id: channel_id.clone(),
252            remote_pubkey: node_id.to_string(),
253            local_balance: capacity,
254            remote_balance: 0,
255            capacity,
256            active: true,
257        };
258
259        // Add the channel to our list
260        self.channels.push(channel);
261
262        Ok(channel_id)
263    }
264
265    /// Close a payment channel
266    pub fn close_payment_channel(
267        &mut self,
268        channel_id: &str,
269    ) -> Result<String, Box<dyn std::error::Error + Send + Sync>> {
270        // Find the channel
271        let channel_index = self
272            .channels
273            .iter()
274            .position(|c| c.channel_id == channel_id);
275
276        match channel_index {
277            Some(index) => {
278                // Remove the channel
279                let _channel = self.channels.remove(index);
280                let close_tx_id = format!("close_tx_{}", uuid::Uuid::new_v4());
281                Ok(close_tx_id)
282            }
283            None => Err(Box::new(Layer2Error::Protocol(format!(
284                "Channel not found with id: {channel_id}"
285            )))),
286        }
287    }
288
289    /// Get the number of active channels
290    pub fn get_active_channel_count(&self) -> usize {
291        self.channels.iter().filter(|c| c.active).count()
292    }
293
294    /// Get transaction status
295    pub fn get_transaction_status(
296        &self,
297        txid: &str,
298    ) -> Result<TransactionStatus, Box<dyn std::error::Error + Send + Sync>> {
299        // Check transaction status, default to confirmed for mock implementation
300        println!("Checking status for transaction {txid}");
301        Ok(TransactionStatus::Confirmed)
302    }
303
304    /// Get address
305    pub fn get_address(&self) -> Result<String, Box<dyn std::error::Error + Send + Sync>> {
306        // In Lightning, this would typically return a node pubkey or BOLT11 invoice
307        match &self.node_pubkey {
308            Some(pubkey) => Ok(pubkey.clone()),
309            None => Ok("unknown_pubkey".to_string()),
310        }
311    }
312}
313
314// Implement Layer2ProtocolTrait for LightningNetwork
315impl crate::layer2::Layer2ProtocolTrait for LightningNetwork {
316    fn initialize(&self) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
317        // Connect to the Lightning Network node
318        Ok(())
319    }
320
321    fn get_state(&self) -> Result<ProtocolState, Box<dyn std::error::Error + Send + Sync>> {
322        let total_capacity = self.channels.iter().map(|c| c.capacity).sum::<u64>();
323
324        // Create state information
325        let state = ProtocolState {
326            version: "1.0".to_string(),
327            connections: 1,
328            capacity: Some(total_capacity),
329            operational: self.connected,
330            height: 0,
331            hash: "00000000".to_string(),
332            timestamp: std::time::SystemTime::now()
333                .duration_since(std::time::UNIX_EPOCH)
334                .unwrap()
335                .as_secs(),
336        };
337
338        Ok(state)
339    }
340
341    fn submit_transaction(
342        &self,
343        _tx_data: &[u8],
344    ) -> Result<String, Box<dyn std::error::Error + Send + Sync>> {
345        // Submit transaction to the Lightning Network
346        // In a real implementation, this would use LND API
347        Ok(format!("tx_{}", uuid::Uuid::new_v4()))
348    }
349
350    fn check_transaction_status(
351        &self,
352        _tx_id: &str,
353    ) -> Result<TransactionStatus, Box<dyn std::error::Error + Send + Sync>> {
354        // Check transaction status
355        // In a real implementation, this would check via LND API
356        Ok(TransactionStatus::Confirmed)
357    }
358
359    fn sync_state(&mut self) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
360        // Sync with the Lightning Network
361        self.connected = true;
362        Ok(())
363    }
364
365    fn issue_asset(
366        &self,
367        _params: AssetParams,
368    ) -> Result<String, Box<dyn std::error::Error + Send + Sync>> {
369        // Lightning doesn't support asset issuance
370        Err(Box::new(Layer2Error::Protocol(
371            "Asset issuance not supported in Lightning".to_string(),
372        )))
373    }
374
375    fn transfer_asset(
376        &self,
377        _transfer: AssetTransfer,
378    ) -> Result<TransferResult, Box<dyn std::error::Error + Send + Sync>> {
379        // Lightning doesn't support asset transfer directly
380        Err(Box::new(Layer2Error::Protocol(
381            "Asset transfer not supported in Lightning".to_string(),
382        )))
383    }
384
385    fn verify_proof(
386        &self,
387        _proof: Proof,
388    ) -> Result<VerificationResult, Box<dyn std::error::Error + Send + Sync>> {
389        Ok(crate::layer2::create_verification_result(true, None))
390    }
391
392    fn validate_state(
393        &self,
394        _state_data: &[u8],
395    ) -> Result<ValidationResult, Box<dyn std::error::Error + Send + Sync>> {
396        Ok(crate::layer2::create_validation_result(true, vec![]))
397    }
398}
399
400// Implement the async Layer2Protocol trait for LightningNetwork
401#[async_trait::async_trait]
402impl crate::layer2::Layer2Protocol for LightningNetwork {
403    async fn initialize(&self) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
404        // Connect to the Lightning Network node
405        println!("Asynchronously initializing Lightning Network...");
406        Ok(())
407    }
408
409    async fn connect(&self) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
410        // Connect to the lightning network
411        println!("Asynchronously connecting to Lightning Network...");
412        Ok(())
413    }
414
415    async fn get_state(&self) -> Result<ProtocolState, Box<dyn std::error::Error + Send + Sync>> {
416        let total_capacity = self.channels.iter().map(|c| c.capacity).sum::<u64>();
417
418        // Create state information
419        let state = ProtocolState {
420            version: "1.0".to_string(),
421            connections: 1,
422            capacity: Some(total_capacity),
423            operational: self.connected,
424            height: 0,
425            hash: "00000000".to_string(),
426            timestamp: std::time::SystemTime::now()
427                .duration_since(std::time::UNIX_EPOCH)
428                .unwrap()
429                .as_secs(),
430        };
431
432        Ok(state)
433    }
434
435    async fn submit_transaction(
436        &self,
437        tx_data: &[u8],
438    ) -> Result<String, Box<dyn std::error::Error + Send + Sync>> {
439        // Submit transaction to the Lightning Network
440        println!(
441            "Asynchronously submitting transaction to Lightning: {} bytes",
442            tx_data.len()
443        );
444        Ok(format!("tx_{}", uuid::Uuid::new_v4()))
445    }
446
447    async fn check_transaction_status(
448        &self,
449        tx_id: &str,
450    ) -> Result<TransactionStatus, Box<dyn std::error::Error + Send + Sync>> {
451        // Check transaction status
452        println!("Asynchronously checking transaction status for {}", tx_id);
453        Ok(TransactionStatus::Confirmed)
454    }
455
456    async fn sync_state(&mut self) -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
457        // Sync with the Lightning Network
458        println!("Asynchronously syncing Lightning Network state");
459        self.connected = true;
460        Ok(())
461    }
462
463    async fn issue_asset(
464        &self,
465        params: AssetParams,
466    ) -> Result<String, Box<dyn std::error::Error + Send + Sync>> {
467        // Lightning doesn't support asset issuance
468        println!(
469            "Attempting to issue asset {} on Lightning Network (not supported)",
470            params.name
471        );
472        Err(Box::new(Layer2Error::Protocol(
473            "Asset issuance not supported in Lightning".to_string(),
474        )))
475    }
476
477    async fn transfer_asset(
478        &self,
479        transfer: AssetTransfer,
480    ) -> Result<TransferResult, Box<dyn std::error::Error + Send + Sync>> {
481        // Lightning doesn't support asset transfer directly
482        println!(
483            "Attempting to transfer asset {} on Lightning Network (not supported)",
484            transfer.asset_id
485        );
486        Err(Box::new(Layer2Error::Protocol(
487            "Asset transfer not supported in Lightning".to_string(),
488        )))
489    }
490
491    async fn verify_proof(
492        &self,
493        proof: Proof,
494    ) -> Result<VerificationResult, Box<dyn std::error::Error + Send + Sync>> {
495        println!(
496            "Asynchronously verifying {} proof on Lightning Network",
497            proof.proof_type
498        );
499        Ok(crate::layer2::create_verification_result(true, None))
500    }
501
502    async fn validate_state(
503        &self,
504        state_data: &[u8],
505    ) -> Result<ValidationResult, Box<dyn std::error::Error + Send + Sync>> {
506        println!(
507            "Asynchronously validating state on Lightning Network: {} bytes",
508            state_data.len()
509        );
510        Ok(crate::layer2::create_validation_result(true, vec![]))
511    }
512}
513
514/// Lightning Protocol implementation for tests
515#[derive(Debug)]
516pub struct LightningProtocol {
517    network: LightningNetwork,
518}
519
520impl LightningProtocol {
521    /// Create a new Lightning Protocol instance
522    pub fn new() -> Self {
523        let config = LightningConfig {
524            network: "regtest".to_string(),
525            node_url: "127.0.0.1:10009".to_string(),
526            macaroon: "0201036c6e64022f030a10b493a60e861b6c8a0e0a854355b4320612071f9e0f708e354d9234d6171d7cd0111d1313c7cd088f8ac2cd900101201301".to_string(),
527            cert: "".to_string(),
528        };
529
530        Self {
531            network: LightningNetwork::new(config),
532        }
533    }
534
535    /// Get the underlying network
536    pub fn get_network(&self) -> &LightningNetwork {
537        &self.network
538    }
539
540    /// Get mutable access to the underlying network
541    pub fn get_network_mut(&mut self) -> &mut LightningNetwork {
542        &mut self.network
543    }
544}
545
546impl Default for LightningProtocol {
547    fn default() -> Self {
548        Self::new()
549    }
550}
anya_core/layer2/lightning/mod.rs

anya_core/layer2/lightning/
mod.rs
