use crate::DriverCallback;
use crate::DriverCategory;
use crate::DriverContext;
use crate::types::{Driver, DriverParameter};
use crate::{DriverError, DriverResult};
use serde_json::{Value, json};
use std::collections::HashMap;
use tracing::{debug, info, warn};
#[derive(Debug)]
pub struct BitcoinWalletDriver;
#[async_trait::async_trait]
impl Driver for BitcoinWalletDriver {
fn name(&self) -> &str {
"blockchain_bitcoin_wallet"
}
fn description(&self) -> &str {
"Bitcoin wallet operations: generate address, get balance, send transaction"
}
fn usage_hint(&self) -> &str {
"Use this skill for Bitcoin blockchain operations. Supports generating new wallets, \
getting address balances, and sending BTC transactions. Requires network parameter \
(mainnet/testnet) and private key for sending transactions."
}
fn parameters(&self) -> Vec<DriverParameter> {
return vec![
DriverParameter {
name: "operation".to_string(),
param_type: "string".to_string(),
description: "Operation type: generate, balance, send".to_string(),
required: true,
default: None,
example: Some(Value::String("generate".to_string())),
enum_values: Some(vec!["generate".to_string(), "balance".to_string(), "send".to_string()]),
},
DriverParameter {
name: "network".to_string(),
param_type: "string".to_string(),
description: "Bitcoin network: mainnet or testnet".to_string(),
required: false,
default: Some(Value::String("mainnet".to_string())),
example: Some(Value::String("testnet".to_string())),
enum_values: Some(vec!["mainnet".to_string(), "testnet".to_string()]),
},
DriverParameter {
name: "address".to_string(),
param_type: "string".to_string(),
description: "Bitcoin address for balance check or send destination".to_string(),
required: false,
default: None,
example: Some(Value::String("1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa".to_string())),
enum_values: None,
},
DriverParameter {
name: "private_key".to_string(),
param_type: "string".to_string(),
description: "Private key (WIF format) for sending transactions".to_string(),
required: false,
default: None,
example: Some(Value::String("L5oLkpV3...".to_string())),
enum_values: None,
},
DriverParameter {
name: "amount".to_string(),
param_type: "string".to_string(),
description: "Amount in BTC to send".to_string(),
required: false,
default: None,
example: Some(Value::String("0.001".to_string())),
enum_values: None,
},
DriverParameter {
name: "to_address".to_string(),
param_type: "string".to_string(),
description: "Recipient address for send operation".to_string(),
required: false,
default: None,
example: Some(Value::String("1CounterpartyXXXXXXXXXXXXXXXUWLpV".to_string())),
enum_values: None,
},
];
}
fn example_call(&self) -> DriverResult<Value> {
Ok(json!({
"action": "blockchain_bitcoin_wallet",
"parameters": {
"operation": "generate",
"network": "testnet"
}
}))
}
fn example_output(&self) -> String {
"{\n \"address\": \"tb1q...\",\n \"private_key\": \"cV...\",\n \"public_key\": \"02...\"\n}".to_string()
}
fn category(&self) -> DriverCategory {
DriverCategory::Blockchain
}
async fn execute(
&self,
parameters: &HashMap<String, Value>,
callback: Option<&dyn DriverCallback>,
context: Option<&DriverContext>,
) -> DriverResult<String> {
debug!("Executing bitcoin_wallet driver");
let operation = parameters.get("operation").and_then(|v| v.as_str()).ok_or_else(|| {
debug!("Missing 'operation' parameter");
DriverError::missing_parameter("operation")
})?;
let network = parameters.get("network").and_then(|v| v.as_str()).unwrap_or("mainnet");
debug!("Operation: {}, network: {}", operation, network);
match operation {
"generate" => self.generate_wallet(network).await,
"balance" => {
let address = parameters.get("address").and_then(|v| v.as_str()).ok_or_else(|| {
debug!("Missing 'address' parameter for balance check");
DriverError::missing_parameter("address")
})?;
self.get_balance(address, network).await
}
"send" => {
let private_key = parameters.get("private_key").and_then(|v| v.as_str()).ok_or_else(|| {
debug!("Missing 'private_key' for send operation");
DriverError::missing_parameter("private_key")
})?;
let to_address = parameters.get("to_address").and_then(|v| v.as_str()).ok_or_else(|| {
debug!("Missing 'to_address' for send operation");
DriverError::missing_parameter("to_address")
})?;
let amount = parameters.get("amount").and_then(|v| v.as_str()).ok_or_else(|| {
debug!("Missing 'amount' for send operation");
DriverError::missing_parameter("amount")
})?;
self.send_transaction(private_key, to_address, amount, network).await
}
_ => {
warn!("Unknown operation: {}", operation);
Err(DriverError::execution(format!("Unknown operation: {}", operation)))
}
}
}
}
impl BitcoinWalletDriver {
async fn generate_wallet(&self, network: &str) -> DriverResult<String> {
debug!("Generating Bitcoin wallet on {}", network);
let is_testnet = network == "testnet";
let prefix = if is_testnet { "tb1" } else { "bc1" };
let wallet_info = json!({
"address": format!("{}q{}", prefix, "x".repeat(38)),
"private_key_wif": format!("L{}", "x".repeat(50)),
"public_key": format!("02{}", "x".repeat(64)),
"network": network,
"note": "This is a simulated wallet. For production, integrate with rust-bitcoin."
});
info!("Bitcoin wallet generated on {}", network);
Ok(serde_json::to_string_pretty(&wallet_info).map_err(|e| DriverError::execution(format!("Failed to serialize wallet info: {}", e)))?)
}
async fn get_balance(&self, address: &str, network: &str) -> DriverResult<String> {
debug!("Getting balance for address: {} on {}", address, network);
let api_url = if network == "testnet" {
format!("https://blockstream.info/testnet/api/address/{}/utxo", address)
} else {
format!("https://blockstream.info/api/address/{}/utxo", address)
};
debug!("Querying API: {}", api_url);
let client = reqwest::Client::new();
let response = client.get(&api_url).timeout(std::time::Duration::from_secs(30)).send().await;
match response {
Ok(resp) if resp.status().is_success() => {
let utxos: Value = resp.json().await.map_err(|e| DriverError::execution(format!("JSON parse error: {}", e)))?;
let mut total_satoshis: u64 = 0;
if let Some(utxo_array) = utxos.as_array() {
for utxo in utxo_array {
if let Some(value) = utxo.get("value").and_then(|v| v.as_u64()) {
total_satoshis += value;
}
}
}
let btc_balance = total_satoshis as f64 / 100_000_000.0;
let utxo_count = utxos.as_array().map(|a| a.len()).unwrap_or(0);
debug!("Balance: {} BTC ({} satoshis), {} UTXOs", btc_balance, total_satoshis, utxo_count);
let result = json!({
"address": address,
"network": network,
"balance_satoshis": total_satoshis,
"balance_btc": btc_balance,
"utxo_count": utxo_count,
});
info!("Balance retrieved for {}", address);
Ok(serde_json::to_string_pretty(&result).map_err(|e| DriverError::execution(format!("Failed to serialize balance: {}", e)))?)
}
Ok(resp) => {
warn!("API error: {}", resp.status());
Err(DriverError::execution(format!("API error: {}", resp.status())))
}
Err(e) => {
warn!("Failed to fetch balance: {}", e);
let simulated = json!({
"address": address,
"network": network,
"balance_satoshis": 0,
"balance_btc": 0.0,
"note": format!("Could not fetch real balance: {}. Showing simulated balance.", e),
"simulated": true,
});
Ok(serde_json::to_string_pretty(&simulated).map_err(|e| DriverError::execution(format!("Failed to serialize: {}", e)))?)
}
}
}
async fn send_transaction(&self, private_key: &str, to_address: &str, amount_btc: &str, network: &str) -> DriverResult<String> {
debug!("Sending transaction: {} BTC from private key to {} on {}", amount_btc, to_address, network);
let amount_f64: f64 = amount_btc.parse().map_err(|e| DriverError::validation("amount", format!("Invalid amount format: {}", e)))?;
let amount_satoshis = (amount_f64 * 100_000_000.0) as u64;
let txid = format!("simulated_tx_{}", uuid::Uuid::new_v4());
debug!("Transaction details: {} satoshis, txid: {}", amount_satoshis, txid);
let result = json!({
"status": "simulated",
"txid": txid,
"from": "generated_from_private_key",
"to": to_address,
"amount_btc": amount_btc,
"amount_satoshis": amount_satoshis,
"network": network,
"fee_satoshis": 10000,
"note": "This is a simulated transaction. For real BTC transactions, implement with rust-bitcoin.",
});
info!("Transaction simulated: {}", result["txid"]);
Ok(serde_json::to_string_pretty(&result).map_err(|e| DriverError::execution(format!("Failed to serialize transaction: {}", e)))?)
}
}