zcash-sync/src/taddr.rs

106 lines
3.3 KiB
Rust

use crate::coinconfig::CoinConfig;
use crate::{AddressList, CompactTxStreamerClient, GetAddressUtxosArg, GetAddressUtxosReply};
use bip39::{Language, Mnemonic, Seed};
use ripemd::{Digest, Ripemd160};
use secp256k1::{All, PublicKey, Secp256k1, SecretKey};
use sha2::Sha256;
use tiny_hderive::bip32::ExtendedPrivKey;
use tonic::transport::Channel;
use tonic::Request;
use zcash_client_backend::encoding::encode_transparent_address;
use zcash_primitives::consensus::{Network, Parameters};
use zcash_primitives::legacy::TransparentAddress;
pub async fn get_taddr_balance(
client: &mut CompactTxStreamerClient<Channel>,
address: &str,
) -> anyhow::Result<u64> {
let req = AddressList {
addresses: vec![address.to_string()],
};
let rep = client
.get_taddress_balance(Request::new(req))
.await?
.into_inner();
Ok(rep.value_zat as u64)
}
pub async fn get_utxos(
client: &mut CompactTxStreamerClient<Channel>,
t_address: &str,
_account: u32,
) -> anyhow::Result<Vec<GetAddressUtxosReply>> {
let req = GetAddressUtxosArg {
addresses: vec![t_address.to_string()],
start_height: 0,
max_entries: 0,
};
let utxo_rep = client
.get_address_utxos(Request::new(req))
.await?
.into_inner();
Ok(utxo_rep.address_utxos)
}
pub async fn scan_transparent_accounts(
network: &Network,
client: &mut CompactTxStreamerClient<Channel>,
gap_limit: usize,
) -> anyhow::Result<()> {
let c = CoinConfig::get_active();
let mut addresses = vec![];
let db = c.db()?;
let (seed, mut index) = db.get_seed(c.id_account)?;
if let Some(seed) = seed {
let mut gap = 0;
while gap < gap_limit {
let bip44_path = format!("m/44'/{}'/0'/0/{}", network.coin_type(), index);
log::info!("{} {}", index, bip44_path);
let (_, address) = derive_tkeys(network, &seed, &bip44_path)?;
let balance = get_taddr_balance(client, &address).await?;
if balance > 0 {
addresses.push(TBalance {
index,
address,
balance,
});
gap = 0;
} else {
gap += 1;
}
index += 1;
}
}
db.store_t_scan(&addresses)?;
Ok(())
}
pub fn derive_tkeys(
network: &Network,
phrase: &str,
path: &str,
) -> anyhow::Result<(String, String)> {
let mnemonic = Mnemonic::from_phrase(phrase, Language::English)?;
let seed = Seed::new(&mnemonic, "");
let secp = Secp256k1::<All>::new();
let ext = ExtendedPrivKey::derive(seed.as_bytes(), path).unwrap();
let secret_key = SecretKey::from_slice(&ext.secret()).unwrap();
let pub_key = PublicKey::from_secret_key(&secp, &secret_key);
let pub_key = pub_key.serialize();
let pub_key = Ripemd160::digest(&Sha256::digest(&pub_key));
let address = TransparentAddress::PublicKey(pub_key.into());
let address = encode_transparent_address(
&network.b58_pubkey_address_prefix(),
&network.b58_script_address_prefix(),
&address,
);
let sk = secret_key.display_secret().to_string();
Ok((sk, address))
}
pub struct TBalance {
pub index: u32,
pub address: String,
pub balance: u64,
}