Expand description
Generalized signers
This module provides the ability to add customized signers to a Wallet
through the Wallet::add_signer
function.
#[derive(Debug)]
struct CustomSigner {
device: CustomHSM,
}
impl CustomSigner {
fn connect() -> Self {
CustomSigner { device: CustomHSM::connect() }
}
}
impl SignerCommon for CustomSigner {
fn id(&self, _secp: &Secp256k1<All>) -> SignerId {
self.device.get_id()
}
}
impl InputSigner for CustomSigner {
fn sign_input(
&self,
psbt: &mut psbt::PartiallySignedTransaction,
input_index: usize,
_sign_options: &SignOptions,
_secp: &Secp256k1<All>,
) -> Result<(), SignerError> {
self.device.hsm_sign_input(psbt, input_index)?;
Ok(())
}
}
let custom_signer = CustomSigner::connect();
let descriptor = "wpkh(tpubD6NzVbkrYhZ4Xferm7Pz4VnjdcDPFyjVu5K4iZXQ4pVN8Cks4pHVowTBXBKRhX64pkRyJZJN5xAKj4UDNnLPb5p2sSKXhewoYx5GbTdUFWq/*)";
let mut wallet = Wallet::new_no_persist(descriptor, None, Network::Testnet)?;
wallet.add_signer(
KeychainKind::External,
SignerOrdering(200),
Arc::new(custom_signer)
);
Structs
Options for a software signer
Defines the order in which signers are called
Wrapper structure to pair a signer with its context
Container for multiple signers
Enums
Signing context
Signing error
Identifier of a signer in the
SignersContainers
. Used as a key to find the right signer among
multiple of themCustomize which taproot script-path leaves the signer should sign.