cardano-multiplatform-lib 3.1.3

Multiplatform SDK for core Cardano blockchain functionality
Documentation 
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#[cfg(not(all(target_arch = "wasm32", not(target_os = "emscripten"))))]
use noop_proc_macro::wasm_bindgen;

#[cfg(all(target_arch = "wasm32", not(target_os = "emscripten")))]
use wasm_bindgen::prelude::*;

use crate::{crypto::{TransactionHash, LegacyDaedalusPrivateKey, BootstrapWitness, Bip32PublicKey, Vkey, Bip32PrivateKey, Ed25519Signature}, byron::ByronAddress};

#[wasm_bindgen]
pub fn make_daedalus_bootstrap_witness(
    tx_body_hash: &TransactionHash,
    addr: &ByronAddress,
    key: &LegacyDaedalusPrivateKey,
) -> BootstrapWitness {
    let chain_code = key.chaincode();

    let pubkey = Bip32PublicKey::from_bytes(key.0.to_public().as_ref()).unwrap();
    let vkey = Vkey::new(&pubkey.to_raw_key());
    let signature = Ed25519Signature::from_bytes(key.0.sign(&tx_body_hash.to_bytes()).as_ref().to_vec()).unwrap();

    BootstrapWitness::new(
        &vkey,
        &signature,
        chain_code,
        &addr.address_content().addr_attr(),
    )
}

#[wasm_bindgen]
pub fn make_icarus_bootstrap_witness(
    tx_body_hash: &TransactionHash,
    addr: &ByronAddress,
    key: &Bip32PrivateKey,
) -> BootstrapWitness {
    let chain_code = key.chaincode();

    let raw_key = key.to_raw_key();
    let vkey = Vkey::new(&raw_key.to_public());
    let signature = raw_key.sign(&tx_body_hash.to_bytes());

    BootstrapWitness::new(
        &vkey,
        &signature,
        chain_code,
        &addr.address_content().addr_attr(),
    )
}