Cubo+ BDK example

main.rs

use bdk::{Wallet, SyncOptions, FeeRate, SignOptions};
use bdk::wallet::AddressIndex;
use bdk::database::MemoryDatabase;
use bdk::blockchain::ElectrumBlockchain;
use bdk::electrum_client::Client;
use bdk::bitcoin::{self, Address};
use std::str::FromStr;
use bdk::blockchain::Blockchain;

fn main() -> Result<(), bdk::Error> {
    // Create the wallet
    let wallet = Wallet::new(
        "tr(tprv8ZgxMBicQKsPdaBPm4xUDLQCNujS9gh8EnEY8j9jCh5VRV1YUjJFphfRoCAmcE6uC1m3S7ZPejG1DkDsfS3YhbRbi2kTThxzsSFyQEqbFGA/*)",
        None,
        bitcoin::Network::Testnet,
        MemoryDatabase::default(),
    )?;

    // Generate an address
    let address = wallet.get_address(AddressIndex::New)?;
    println!("This is your wallet address: {}", address);

    let client = Client::new("ssl://electrum.blockstream.info:60002")?;
    let blockchain = ElectrumBlockchain::from(client);
    wallet.sync(&blockchain, SyncOptions::default())?;

    // Receive money (= going on a faucet and pasting the address)
    // on a single sig BIP32 wallet
    // We did it yay

    // See the balance
    let balance = wallet.get_balance()?;
    println!("This is you wallet balance: {:?}", balance);

    // Spend everything
    // 1. Create a transaction
    let mut builder = wallet.build_tx();
    let address = Address::from_str("tb1qw2c3lxufxqe2x9s4rdzh65tpf4d7fssjgh8nv6").unwrap();
    builder
        .drain_wallet()
        .drain_to(address.script_pubkey())
        .fee_rate(FeeRate::from_sat_per_vb(2.0))
        .enable_rbf();
    let (mut psbt, tx_details) = builder.finish()?;
    println!("This is our PSBT: {}", psbt);
    println!("Details about our transaction: {:?}", tx_details);
    // 2. Sign a transaction
    let finalized = wallet.sign(&mut psbt, SignOptions::default())?;
    println!("Is my psbt final? {}", finalized);
    println!("This is our PSBT: {}", psbt);
    let tx = psbt.extract_tx();
    println!("My Bitcoin transaction: {}", bitcoin::consensus::encode::serialize_hex(&tx));
    let txid = tx.txid();
    println!("Txid: {}", txid);
    // 3. Broadcast the transaction
    blockchain.broadcast(&tx)?;

    Ok(())
}