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wasm: expose Address.blindingPubkey() #159

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wasm: expose Address.blindingPubkey() #159

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15 changes: 14 additions & 1 deletion lwk_wasm/src/blockdata/address.rs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
use crate::{Error, Network, Script};
use crate::{Error, Network, PublicKey, Script};
use lwk_wollet::elements::{self, AddressParams};
use wasm_bindgen::prelude::*;

Expand Down Expand Up @@ -77,6 +77,14 @@ impl Address {
self.inner.is_blinded()
}

/// Return the blinding public key, if the address is confidential.
#[wasm_bindgen(js_name = blindingPubkey)]
pub fn blinding_pubkey(&self) -> Option<PublicKey> {
self.inner
.blinding_pubkey
.map(|pk| lwk_wollet::elements::bitcoin::PublicKey::new(pk).into())
}

/// Return true if the address is for mainnet.
#[wasm_bindgen(js_name = isMainnet)]
pub fn is_mainnet(&self) -> bool {
Expand Down Expand Up @@ -159,6 +167,11 @@ mod tests {

assert!(address.is_blinded());

let blinding_pk = address.blinding_pubkey().expect("confidential address");
assert_eq!(blinding_pk.to_bytes().len(), 33);

assert!(address.to_unconfidential().blinding_pubkey().is_none());

assert_eq!(
address.to_unconfidential().to_string(),
"tex1q6rz28mcfaxtmd6v789l9rrlrusdprr9p634wu8"
Expand Down