984c758f96
Upgrade: - bitcoin to v0.31.0 - miniscript to v11.0.0 Note: The bitcoin upgrade includes improvements to the `Transaction::weight()` function, it appears those guys did good, we no longer need to add the 2 additional weight units "just in case".
95 lines
3.0 KiB
Rust
95 lines
3.0 KiB
Rust
use bdk::bitcoin::bip32::Fingerprint;
|
|
use bdk::bitcoin::secp256k1::{All, Secp256k1};
|
|
use bdk::bitcoin::Psbt;
|
|
|
|
use hwi::error::Error;
|
|
use hwi::types::{HWIChain, HWIDevice};
|
|
use hwi::HWIClient;
|
|
|
|
use bdk::signer::{SignerCommon, SignerError, SignerId, TransactionSigner};
|
|
|
|
#[derive(Debug)]
|
|
/// Custom signer for Hardware Wallets
|
|
///
|
|
/// This ignores `sign_options` and leaves the decisions up to the hardware wallet.
|
|
pub struct HWISigner {
|
|
fingerprint: Fingerprint,
|
|
client: HWIClient,
|
|
}
|
|
|
|
impl HWISigner {
|
|
/// Create a instance from the specified device and chain
|
|
pub fn from_device(device: &HWIDevice, chain: HWIChain) -> Result<HWISigner, Error> {
|
|
let client = HWIClient::get_client(device, false, chain)?;
|
|
Ok(HWISigner {
|
|
fingerprint: device.fingerprint,
|
|
client,
|
|
})
|
|
}
|
|
}
|
|
|
|
impl SignerCommon for HWISigner {
|
|
fn id(&self, _secp: &Secp256k1<All>) -> SignerId {
|
|
SignerId::Fingerprint(self.fingerprint)
|
|
}
|
|
}
|
|
|
|
impl TransactionSigner for HWISigner {
|
|
fn sign_transaction(
|
|
&self,
|
|
psbt: &mut Psbt,
|
|
_sign_options: &bdk::SignOptions,
|
|
_secp: &Secp256k1<All>,
|
|
) -> Result<(), SignerError> {
|
|
psbt.combine(
|
|
self.client
|
|
.sign_tx(psbt)
|
|
.map_err(|e| {
|
|
SignerError::External(format!("While signing with hardware wallet: {}", e))
|
|
})?
|
|
.psbt,
|
|
)
|
|
.expect("Failed to combine HW signed psbt with passed PSBT");
|
|
Ok(())
|
|
}
|
|
}
|
|
|
|
// TODO: re-enable this once we have the `get_funded_wallet` test util
|
|
// #[cfg(test)]
|
|
// mod tests {
|
|
// #[test]
|
|
// fn test_hardware_signer() {
|
|
// use std::sync::Arc;
|
|
//
|
|
// use bdk::tests::get_funded_wallet;
|
|
// use bdk::signer::SignerOrdering;
|
|
// use bdk::bitcoin::Network;
|
|
// use crate::HWISigner;
|
|
// use hwi::HWIClient;
|
|
//
|
|
// let mut devices = HWIClient::enumerate().unwrap();
|
|
// if devices.is_empty() {
|
|
// panic!("No devices found!");
|
|
// }
|
|
// let device = devices.remove(0).unwrap();
|
|
// let client = HWIClient::get_client(&device, true, Network::Regtest.into()).unwrap();
|
|
// let descriptors = client.get_descriptors::<String>(None).unwrap();
|
|
// let custom_signer = HWISigner::from_device(&device, Network::Regtest.into()).unwrap();
|
|
//
|
|
// let (mut wallet, _) = get_funded_wallet(&descriptors.internal[0]);
|
|
// wallet.add_signer(
|
|
// bdk::KeychainKind::External,
|
|
// SignerOrdering(200),
|
|
// Arc::new(custom_signer),
|
|
// );
|
|
//
|
|
// let addr = wallet.get_address(bdk::wallet::AddressIndex::LastUnused);
|
|
// let mut builder = wallet.build_tx();
|
|
// builder.drain_to(addr.script_pubkey()).drain_wallet();
|
|
// let (mut psbt, _) = builder.finish().unwrap();
|
|
//
|
|
// let finalized = wallet.sign(&mut psbt, Default::default()).unwrap();
|
|
// assert!(finalized);
|
|
// }
|
|
// }
|