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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| use std::{ | ||
| str::FromStr, | ||
| sync::{Arc, Mutex}, | ||
| }; | ||
|
|
||
| use async_trait::async_trait; | ||
| use bitcoin::{ | ||
| bip32::{DerivationPath, ExtendedPubKey, Fingerprint}, | ||
| psbt::Psbt, | ||
| }; | ||
|
|
||
| use crate::{parse_version, AddressScript, DeviceKind, Error as HWIError, Version, HWI}; | ||
| pub use coldcard as api; | ||
|
|
||
| #[derive(Debug)] | ||
| pub struct Coldcard(Arc<Mutex<coldcard::Coldcard>>); | ||
|
|
||
| impl From<coldcard::Coldcard> for Coldcard { | ||
| fn from(cc: coldcard::Coldcard) -> Self { | ||
| Coldcard(Arc::new(Mutex::new(cc))) | ||
| } | ||
| } | ||
|
|
||
| #[async_trait] | ||
| impl HWI for Coldcard { | ||
| fn device_kind(&self) -> DeviceKind { | ||
| DeviceKind::Coldcard | ||
| } | ||
|
|
||
| /// The first semver version returned by coldcard is the firmware version. | ||
| async fn get_version(&self) -> Result<Version, HWIError> { | ||
| let mut cc = self | ||
| .0 | ||
| .lock() | ||
| .map_err(|_| HWIError::Unexpected("Failed to unlock"))?; | ||
| let s = cc.version().map_err(|e| HWIError::Device(e.to_string()))?; | ||
| for line in s.split('\n') { | ||
| if let Ok(version) = parse_version(line) { | ||
| return Ok(version); | ||
| } | ||
| } | ||
| Err(HWIError::UnsupportedVersion) | ||
| } | ||
|
|
||
| async fn get_master_fingerprint(&self) -> Result<Fingerprint, HWIError> { | ||
| let mut cc = self | ||
| .0 | ||
| .lock() | ||
| .map_err(|_| HWIError::Unexpected("Failed to unlock"))?; | ||
| let s = cc.xpub(None).map_err(|e| HWIError::Device(e.to_string()))?; | ||
| let xpub = ExtendedPubKey::from_str(&s).map_err(|e| HWIError::Device(e.to_string()))?; | ||
| Ok(xpub.fingerprint()) | ||
| } | ||
|
|
||
| async fn get_extended_pubkey(&self, path: &DerivationPath) -> Result<ExtendedPubKey, HWIError> { | ||
| let path = coldcard::protocol::DerivationPath::new(&path.to_string()) | ||
| .map_err(|e| HWIError::InvalidParameter("path", format!("{:?}", e)))?; | ||
| let mut cc = self | ||
| .0 | ||
| .lock() | ||
| .map_err(|_| HWIError::Unexpected("Failed to unlock"))?; | ||
| let s = cc | ||
| .xpub(Some(path)) | ||
| .map_err(|e| HWIError::Device(e.to_string()))?; | ||
| ExtendedPubKey::from_str(&s).map_err(|e| HWIError::Device(e.to_string())) | ||
| } | ||
|
|
||
| async fn display_address(&self, _script: &AddressScript) -> Result<(), HWIError> { | ||
| Err(HWIError::UnimplementedMethod) | ||
| } | ||
|
|
||
| async fn register_wallet( | ||
| &self, | ||
| _name: &str, | ||
| policy: &str, | ||
| ) -> Result<Option<[u8; 32]>, HWIError> { | ||
| let mut cc = self | ||
| .0 | ||
| .lock() | ||
| .map_err(|_| HWIError::Unexpected("Failed to unlock"))?; | ||
| let _ = cc | ||
| .miniscript_enroll(policy.as_bytes()) | ||
| .map_err(|e| HWIError::Device(e.to_string()))?; | ||
| Ok(None) | ||
| } | ||
|
|
||
| async fn sign_tx(&self, _tx: &mut Psbt) -> Result<(), HWIError> { | ||
| Err(HWIError::UnimplementedMethod) | ||
| } | ||
| } | ||
|
|
||
| impl From<Coldcard> for Box<dyn HWI + Send> { | ||
| fn from(s: Coldcard) -> Box<dyn HWI + Send> { | ||
| Box::new(s) | ||
| } | ||
| } | ||
|
|
||
| impl From<Coldcard> for Arc<dyn HWI + Sync + Send> { | ||
| fn from(s: Coldcard) -> Arc<dyn HWI + Sync + Send> { | ||
| Arc::new(s) | ||
| } | ||
| } |
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