anya-core 1.2.0

Enterprise-grade Bitcoin Infrastructure Platform
Documentation 
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use std::error::Error;
use std::process::Command;
use log::{info, warn, error};
use bitcoin::blockdata::transaction::Transaction;
use bitcoin::consensus::encode::deserialize;
use bitcoin::psbt::PartiallySignedTransaction;

pub fn verify_bip_compliance() -> Result<(), String> {
    info!("Verifying BIP compliance...");
    
    // Verify BIP-341 (Taproot) compliance
    verify_bip341_compliance()?;
    
    // Verify BIP-342 (Tapscript) compliance
    verify_bip342_compliance()?;
    
    // Verify BIP-174 (PSBT) compliance
    verify_bip174_compliance()?;
    
    info!("BIP compliance verified successfully");
    Ok(())
}

fn verify_bip341_compliance() -> Result<(), String> {
    info!("Verifying BIP-341 (Taproot) compliance...");
    
    // Check if Bitcoin Core supports Taproot
    let output = Command::new("bitcoin-cli")
        .args(&["help", "sendtoaddress"])
        .output();
        
    match output {
        Ok(output) => {
            if !output.status.success() {
                return Err("Failed to execute bitcoin-cli".to_string());
            }
            
            let output_str = String::from_utf8_lossy(&output.stdout);
            if !output_str.contains("taproot") {
                return Err("Bitcoin Core does not support Taproot (BIP-341)".to_string());
            }
            
            info!("Bitcoin Core supports Taproot (BIP-341)");
            Ok(())
        },
        Err(e) => Err(format!("Failed to verify BIP-341 compliance: {}", e)),
    }
}

fn verify_bip342_compliance() -> Result<(), String> {
    info!("Verifying BIP-342 (Tapscript) compliance...");
    
    // For simplicity, assume BIP-342 compliance if BIP-341 is supported
    // In a real implementation, we would perform specific Tapscript checks
    
    Ok(())
}

fn verify_bip174_compliance() -> Result<(), String> {
    info!("Verifying BIP-174 (PSBT) compliance...");
    
    // Check if Bitcoin Core supports PSBT
    let output = Command::new("bitcoin-cli")
        .args(&["help", "walletprocesspsbt"])
        .output();
        
    match output {
        Ok(output) => {
            if !output.status.success() {
                return Err("Failed to execute bitcoin-cli".to_string());
            }
            
            let output_str = String::from_utf8_lossy(&output.stdout);
            if !output_str.contains("PSBT") {
                return Err("Bitcoin Core does not support PSBT (BIP-174)".to_string());
            }
            
            info!("Bitcoin Core supports PSBT (BIP-174)");
            Ok(())
        },
        Err(e) => Err(format!("Failed to verify BIP-174 compliance: {}", e)),
    }
}

pub fn create_test_taproot_transaction() -> Result<String, String> {
    // This is a simplified example for demonstration purposes
    // In a real implementation, we would create and test an actual Taproot transaction
    
    info!("Creating test Taproot transaction...");
    
    // Create a wallet with Taproot support if it doesn't exist
    let create_wallet_output = Command::new("bitcoin-cli")
        .args(&["createwallet", "taproot_test", "true", "false", "", "false", "true"])
        .output();
        
    match create_wallet_output {
        Ok(output) => {
            if !output.status.success() {
                let error = String::from_utf8_lossy(&output.stderr);
                if !error.contains("already exists") {
                    return Err(format!("Failed to create test wallet: {}", error));
                }
            }
        },
        Err(e) => return Err(format!("Failed to create test wallet: {}", e)),
    }
    
    // Generate a Taproot address
    let address_output = Command::new("bitcoin-cli")
        .args(&["-rpcwallet=taproot_test", "getnewaddress", "", "bech32m"])
        .output();
        
    let taproot_address = match address_output {
        Ok(output) => {
            if !output.status.success() {
                return Err("Failed to generate Taproot address".to_string());
            }
            
            String::from_utf8_lossy(&output.stdout).trim().to_string()
        },
        Err(e) => return Err(format!("Failed to generate Taproot address: {}", e)),
    };
    
    info!("Created test Taproot address: {}", taproot_address);
    
    Ok(taproot_address)
}

pub fn parse_psbt(psbt_base64: &str) -> Result<(), String> {
    // Parse and validate a PSBT
    match base64::decode(psbt_base64) {
        Ok(psbt_bytes) => {
            match deserialize::<PartiallySignedTransaction>(&psbt_bytes) {
                Ok(psbt) => {
                    let inputs_count = psbt.inputs.len();
                    let outputs_count = psbt.outputs.len();
                    
                    info!("PSBT parsed successfully: {} inputs, {} outputs", inputs_count, outputs_count);
                    Ok(())
                },
                Err(e) => Err(format!("Failed to parse PSBT: {}", e)),
            }
        },
        Err(e) => Err(format!("Failed to decode PSBT base64: {}", e)),
    }
}