anya-core 1.2.0

Enterprise-grade Bitcoin Infrastructure Platform
Documentation 
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// Bitcoin Protocol Adapters
//
// Implements protocol-specific adapters for Bitcoin
// [AIR-3][AIS-3][BPC-3]

use anyhow::Result;
use bitcoin::{Block, BlockHash, Transaction, Txid};
use serde_json::Value;
use crate::bitcoin::adapters::BitcoinPort;
use crate::bitcoin::protocol::BitcoinProtocol;
use crate::bitcoin::protocol::BPCLevel;

/// Bitcoin protocol adapter
pub struct BitcoinProtocolAdapter {
    /// Bitcoin protocol compliance level
    compliance_level: BPCLevel,
    /// Connection URL
    url: String,
    /// Is the adapter connected
    connected: bool,
}

impl BitcoinProtocolAdapter {
    /// Create a new Bitcoin protocol adapter
    pub fn new(url: &str, compliance_level: BPCLevel) -> Self {
        Self {
            compliance_level,
            url: url.to_string(),
            connected: false,
        }
    }
    
    /// Get the compliance level
    pub fn compliance_level(&self) -> BPCLevel {
        self.compliance_level
    }
    
    /// Check if the adapter is connected
    pub fn is_connected(&self) -> bool {
        self.connected
    }
    
    /// Verify a transaction against the current compliance level
    pub fn verify_transaction(&self, tx: &Transaction) -> Result<bool> {
        // Create a protocol validator and verify the transaction
        let protocol = BitcoinProtocol::new(self.compliance_level);
        match protocol.verify_with_policy(tx) {
            Ok(_) => Ok(true),
            Err(_) => Ok(false),
        }
    }
}

impl BitcoinPort for BitcoinProtocolAdapter {
    /// Connect to Bitcoin network
    fn connect(&self) -> Result<()> {
        // In a real implementation, this would establish a connection
        // to the Bitcoin network using the appropriate protocol
        
        // For now, just simulate a successful connection
        Ok(())
    }
    
    /// Disconnect from Bitcoin network
    fn disconnect(&self) -> Result<()> {
        // In a real implementation, this would disconnect from
        // the Bitcoin network
        
        // For now, just simulate a successful disconnection
        Ok(())
    }
    
    /// Send transaction to Bitcoin network
    fn send_transaction(&self, tx: &Transaction) -> Result<Txid> {
        // First, verify the transaction
        self.verify_transaction(tx)?;
        
        // Return the transaction ID
        Ok(tx.txid())
    }
    
    /// Get transaction from Bitcoin network
    fn get_transaction(&self, txid: &Txid) -> Result<Option<Transaction>> {
        // In a real implementation, this would query the network
        // For now, just return None
        Ok(None)
    }
    
    /// Get block from Bitcoin network
    fn get_block(&self, hash: &BlockHash) -> Result<Option<Block>> {
        // In a real implementation, this would query the network
        // For now, just return None
        Ok(None)
    }
    
    /// Get current blockchain info
    fn get_blockchain_info(&self) -> Result<Value> {
        // In a real implementation, this would query the network
        // For now, just return a mock response
        Ok(serde_json::json!({
            "chain": "main",
            "blocks": 800000,
            "headers": 800000,
            "bestblockhash": "000000000000000000000000000000000000000000000000000000000000000",
            "difficulty": 53911173001054.59,
            "mediantime": 1714524195,
            "verificationprogress": 0.9999915857973493,
            "initialblockdownload": false,
            "chainwork": "0000000000000000000000000000000000000000000000000000000000000000",
            "size_on_disk": 650432985219,
            "pruned": false,
        }))
    }
}