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981 lines
39 KiB
981 lines
39 KiB
use crate::lightwallet::LightWallet;
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use log::{info, warn, error};
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use std::sync::{Arc};
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use std::net::ToSocketAddrs;
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use std::path::Path;
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use std::fs::File;
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use std::io;
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use std::io::prelude::*;
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use std::io::{BufReader, BufWriter, Error, ErrorKind};
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use std::sync::atomic::{AtomicU64, AtomicI32, AtomicUsize, Ordering};
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use json::{object, JsonValue};
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use futures::{Future};
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use futures::stream::Stream;
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use tower_util::MakeService;
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use tower_grpc::Request;
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use tokio_rustls::client::TlsStream;
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use tokio_rustls::{rustls::ClientConfig, TlsConnector};
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use std::net::SocketAddr;
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use tokio::executor::DefaultExecutor;
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use tokio::net::tcp::TcpStream;
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use tower_h2;
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use zcash_primitives::transaction::{TxId, Transaction};
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use zcash_client_backend::{
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constants::testnet, constants::mainnet, constants::regtest, encoding::encode_payment_address,
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};
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use crate::grpc_client::{ChainSpec, BlockId, BlockRange, RawTransaction,
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TransparentAddressBlockFilter, TxFilter, Empty, LightdInfo};
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use crate::grpc_client::client::CompactTxStreamer;
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use crate::SaplingParams;
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// Used below to return the grpc "Client" type to calling methods
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pub const DEFAULT_SERVER: &str = "https://lightd-main.zecwallet.co:443";
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pub const WALLET_NAME: &str = "zeclite.wallet.dat";
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pub const LOGFILE_NAME: &str = "zeclite.debug.log";
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/// A Secure (https) grpc destination.
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struct Dst {
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addr: SocketAddr,
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host: String,
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}
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impl tower_service::Service<()> for Dst {
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type Response = TlsStream<TcpStream>;
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type Error = ::std::io::Error;
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type Future = Box<dyn Future<Item = TlsStream<TcpStream>, Error = ::std::io::Error> + Send>;
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fn poll_ready(&mut self) -> futures::Poll<(), Self::Error> {
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Ok(().into())
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}
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fn call(&mut self, _: ()) -> Self::Future {
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let mut config = ClientConfig::new();
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config.alpn_protocols.push(b"h2".to_vec());
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config.root_store.add_server_trust_anchors(&webpki_roots::TLS_SERVER_ROOTS);
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let config = Arc::new(config);
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let tls_connector = TlsConnector::from(config);
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let addr_string_local = self.host.clone();
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let domain = webpki::DNSNameRef::try_from_ascii_str(&addr_string_local).unwrap();
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let domain_local = domain.to_owned();
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let stream = TcpStream::connect(&self.addr).and_then(move |sock| {
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sock.set_nodelay(true).unwrap();
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tls_connector.connect(domain_local.as_ref(), sock)
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})
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.map(move |tcp| tcp);
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Box::new(stream)
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}
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}
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// Same implementation but without TLS. Should make it straightforward to run without TLS
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// when testing on local machine
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//
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// impl tower_service::Service<()> for Dst {
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// type Response = TcpStream;
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// type Error = ::std::io::Error;
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// type Future = Box<dyn Future<Item = TcpStream, Error = ::std::io::Error> + Send>;
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//
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// fn poll_ready(&mut self) -> futures::Poll<(), Self::Error> {
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// Ok(().into())
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// }
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//
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// fn call(&mut self, _: ()) -> Self::Future {
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// let mut config = ClientConfig::new();
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// config.alpn_protocols.push(b"h2".to_vec());
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// config.root_store.add_server_trust_anchors(&webpki_roots::TLS_SERVER_ROOTS);
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//
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// let addr_string_local = "mydomain.com".to_string();
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// let addr = addr_string_local.as_str();
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//
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// let stream = TcpStream::connect(&self.0)
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// .and_then(move |sock| {
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// sock.set_nodelay(true).unwrap();
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// Ok(sock)
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// });
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// Box::new(stream)
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// }
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// }
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macro_rules! make_grpc_client {
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($protocol:expr, $host:expr, $port:expr) => {{
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let uri: http::Uri = format!("{}://{}", $protocol, $host).parse().unwrap();
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let addr = format!("{}:{}", $host, $port)
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.to_socket_addrs()
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.unwrap()
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.next()
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.unwrap();
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let h2_settings = Default::default();
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let mut make_client = tower_h2::client::Connect::new(Dst {addr, host: $host.to_string()}, h2_settings, DefaultExecutor::current());
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make_client
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.make_service(())
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.map_err(|e| { format!("HTTP/2 connection failed; err={:?}", e) })
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.and_then(move |conn| {
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let conn = tower_request_modifier::Builder::new()
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.set_origin(uri)
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.build(conn)
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.unwrap();
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CompactTxStreamer::new(conn)
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// Wait until the client is ready...
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.ready()
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.map_err(|e| { format!("client closed: {:?}", e) })
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})
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}};
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}
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#[derive(Clone, Debug)]
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pub struct LightClientConfig {
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pub server : http::Uri,
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pub chain_name : String,
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pub sapling_activation_height : u64,
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pub consensus_branch_id : String,
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}
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impl LightClientConfig {
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pub fn get_zcash_data_path(&self) -> Box<Path> {
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let mut zcash_data_location;
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if cfg!(target_os="macos") || cfg!(target_os="windows") {
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zcash_data_location = dirs::data_dir().expect("Couldn't determine app data directory!");
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zcash_data_location.push("Zcash");
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} else {
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zcash_data_location = dirs::home_dir().expect("Couldn't determine home directory!");
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zcash_data_location.push(".zcash");
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};
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match &self.chain_name[..] {
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"main" => {},
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"test" => zcash_data_location.push("testnet3"),
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"regtest" => zcash_data_location.push("regtest"),
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c => panic!("Unknown chain {}", c),
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};
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zcash_data_location.into_boxed_path()
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}
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pub fn get_wallet_path(&self) -> Box<Path> {
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let mut wallet_location = self.get_zcash_data_path().into_path_buf();
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wallet_location.push(WALLET_NAME);
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wallet_location.into_boxed_path()
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}
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pub fn get_log_path(&self) -> Box<Path> {
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let mut log_path = self.get_zcash_data_path().into_path_buf();
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log_path.push(LOGFILE_NAME);
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log_path.into_boxed_path()
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}
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pub fn get_initial_state(&self) -> Option<(u64, &str, &str)> {
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match &self.chain_name[..] {
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"test" => Some((600000,
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"0107385846c7451480912c294b6ce1ee1feba6c2619079fd9104f6e71e4d8fe7",
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"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"
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)),
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"main" => Some((600000,
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"00000000011502273e3726d1a229b69ae5088eeac650d787dcd5eabe1429ea38",
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"017d2849ae4eca1bb7a1c78369373c3234b0b2205aeec7186b83da5970fe78100201f9375bb13cb285488c932b2dee1220589f490d4d83239371c260c80d5ffe1624100183daeacfa7985762de7e4442b854a07dab147fc2c8893ee986a2fb3db452c568019238d6a0c7a927deab0faee225cd2199c19a98a0dc29782ba6fd3213fed55031000130794486a8b9d78638a1688c520dbf70da1a912e94417fd8c8dd2d6d8363946b0001b6055deb04e1f5f4b9acc22f5ab2533e44d092f124cad08c7f4200d63dee666401427466a1604032d2080811e6a2a8b509d171fd9108bc24ec14f2b27c6155851c012bab0a6072d49eaa35808b886c0e5a0ab60e4bd554fff56c408dfed91b0d2e1301421e61e5b6edb6680d7868499753dd4b5bc8e6c4f61cb62b868836e8c105b13f00019549565919c2177d57bc5034bc222d75ec3bf56723ea7e1eb7c70dcf662f3d5b000188204c256935d05a22ccf0c273619854917c3af44f78d35c766f44570dfce65b01de9f824df05c82e5eb33ef429b4316605910a8a4aa28750440a379dc1593b2460001754bb593ea42d231a7ddf367640f09bbf59dc00f2c1d2003cc340e0c016b5b13"
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)),
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_ => None
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}
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}
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pub fn get_server_or_default(server: Option<String>) -> http::Uri {
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match server {
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Some(s) => {
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let mut s = if s.starts_with("http") {s} else { "http://".to_string() + &s};
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let uri: http::Uri = s.parse().unwrap();
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if uri.port_part().is_none() {
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s = s + ":443";
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}
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s
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}
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None => DEFAULT_SERVER.to_string()
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}.parse().unwrap()
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}
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pub fn hrp_sapling_address(&self) -> &str {
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match &self.chain_name[..] {
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"main" => mainnet::HRP_SAPLING_PAYMENT_ADDRESS,
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"test" => testnet::HRP_SAPLING_PAYMENT_ADDRESS,
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"regtest" => regtest::HRP_SAPLING_PAYMENT_ADDRESS,
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c => panic!("Unknown chain {}", c)
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}
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}
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pub fn hrp_sapling_private_key(&self) -> &str {
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match &self.chain_name[..] {
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"main" => mainnet::HRP_SAPLING_EXTENDED_SPENDING_KEY,
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"test" => testnet::HRP_SAPLING_EXTENDED_SPENDING_KEY,
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"regtest" => regtest::HRP_SAPLING_EXTENDED_SPENDING_KEY,
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c => panic!("Unknown chain {}", c)
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}
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}
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pub fn base58_pubkey_address(&self) -> [u8; 2] {
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match &self.chain_name[..] {
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"main" => mainnet::B58_PUBKEY_ADDRESS_PREFIX,
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"test" => testnet::B58_PUBKEY_ADDRESS_PREFIX,
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"regtest" => regtest::B58_PUBKEY_ADDRESS_PREFIX,
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c => panic!("Unknown chain {}", c)
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}
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}
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pub fn base58_script_address(&self) -> [u8; 2] {
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match &self.chain_name[..] {
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"main" => mainnet::B58_SCRIPT_ADDRESS_PREFIX,
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"test" => testnet::B58_SCRIPT_ADDRESS_PREFIX,
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"regtest" => regtest::B58_SCRIPT_ADDRESS_PREFIX,
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c => panic!("Unknown chain {}", c)
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}
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}
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pub fn base58_secretkey_prefix(&self) -> [u8; 1] {
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match &self.chain_name[..] {
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"main" => [0x80],
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"test" => [0xEF],
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"regtest" => [0xEF],
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c => panic!("Unknown chain {}", c)
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}
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}
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}
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pub struct LightClient {
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pub wallet : Arc<LightWallet>,
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pub config : LightClientConfig,
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// zcash-params
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pub sapling_output : Vec<u8>,
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pub sapling_spend : Vec<u8>,
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}
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impl LightClient {
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pub fn set_wallet_initial_state(&self) {
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use std::convert::TryInto;
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let state = self.config.get_initial_state();
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match state {
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Some((height, hash, tree)) => self.wallet.set_initial_block(height.try_into().unwrap(), hash, tree),
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_ => true,
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};
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}
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pub fn new(seed_phrase: Option<String>, config: &LightClientConfig, latest_block: u64) -> io::Result<Self> {
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let mut lc = if config.get_wallet_path().exists() {
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// Make sure that if a wallet exists, there is no seed phrase being attempted
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if !seed_phrase.is_none() {
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return Err(Error::new(ErrorKind::AlreadyExists,
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"Cannot create a new wallet from seed, because a wallet already exists"));
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}
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let mut file_buffer = BufReader::new(File::open(config.get_wallet_path())?);
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let wallet = LightWallet::read(&mut file_buffer, config)?;
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LightClient {
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wallet : Arc::new(wallet),
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config : config.clone(),
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sapling_output : vec![],
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sapling_spend : vec![]
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}
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} else {
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let l = LightClient {
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wallet : Arc::new(LightWallet::new(seed_phrase, config, latest_block)?),
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config : config.clone(),
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sapling_output : vec![],
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sapling_spend : vec![]
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};
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l.set_wallet_initial_state();
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l
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};
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info!("Read wallet with birthday {}", lc.wallet.get_first_tx_block());
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// Read Sapling Params
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lc.sapling_output.extend_from_slice(SaplingParams::get("sapling-output.params").unwrap().as_ref());
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lc.sapling_spend.extend_from_slice(SaplingParams::get("sapling-spend.params").unwrap().as_ref());
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info!("Created LightClient to {}", &config.server);
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println!("Lightclient connecting to {}", config.server);
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Ok(lc)
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}
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pub fn last_scanned_height(&self) -> u64 {
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self.wallet.last_scanned_height() as u64
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}
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// Export private keys
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pub fn do_export(&self, addr: Option<String>) -> json::JsonValue {
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// Clone address so it can be moved into the closure
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let address = addr.clone();
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// Go over all z addresses
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let z_keys = self.wallet.get_z_private_keys().iter()
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.filter( move |(addr, _)| address.is_none() || address.as_ref() == Some(addr))
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.map( |(addr, pk)|
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object!{
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"address" => addr.clone(),
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"private_key" => pk.clone()
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}
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).collect::<Vec<JsonValue>>();
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// Clone address so it can be moved into the closure
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let address = addr.clone();
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// Go over all t addresses
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let t_keys = self.wallet.get_t_secret_keys().iter()
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.filter( move |(addr, _)| address.is_none() || address.as_ref() == Some(addr))
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.map( |(addr, sk)|
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object!{
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"address" => addr.clone(),
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"private_key" => sk.clone(),
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}
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).collect::<Vec<JsonValue>>();
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let mut all_keys = vec![];
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all_keys.extend_from_slice(&z_keys);
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all_keys.extend_from_slice(&t_keys);
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all_keys.into()
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}
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pub fn do_address(&self) -> json::JsonValue {
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// Collect z addresses
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let z_addresses = self.wallet.address.iter().map( |ad| {
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encode_payment_address(self.config.hrp_sapling_address(), &ad)
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}).collect::<Vec<String>>();
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// Collect t addresses
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let t_addresses = self.wallet.tkeys.iter().map( |sk| {
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self.wallet.address_from_sk(&sk)
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}).collect::<Vec<String>>();
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object!{
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"z_addresses" => z_addresses,
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"t_addresses" => t_addresses,
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}
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}
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pub fn do_balance(&self) -> json::JsonValue {
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// Collect z addresses
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let z_addresses = self.wallet.address.iter().map( |ad| {
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let address = encode_payment_address(self.config.hrp_sapling_address(), &ad);
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object!{
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"address" => address.clone(),
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"zbalance" => self.wallet.zbalance(Some(address.clone())),
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"verified_zbalance" => self.wallet.verified_zbalance(Some(address)),
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}
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}).collect::<Vec<JsonValue>>();
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// Collect t addresses
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let t_addresses = self.wallet.tkeys.iter().map( |sk| {
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let address = self.wallet.address_from_sk(&sk);
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// Get the balance for this address
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let balance = self.wallet.tbalance(Some(address.clone()));
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object!{
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"address" => address,
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"balance" => balance,
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}
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}).collect::<Vec<JsonValue>>();
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object!{
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"zbalance" => self.wallet.zbalance(None),
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"verified_zbalance" => self.wallet.verified_zbalance(None),
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"tbalance" => self.wallet.tbalance(None),
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"z_addresses" => z_addresses,
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"t_addresses" => t_addresses,
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}
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}
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pub fn do_save(&self) -> String {
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let mut file_buffer = BufWriter::with_capacity(
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1_000_000, // 1 MB write buffer
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File::create(self.config.get_wallet_path()).unwrap());
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self.wallet.write(&mut file_buffer).unwrap();
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info!("Saved wallet");
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format!("Saved Wallet")
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}
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pub fn get_server_uri(&self) -> http::Uri {
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self.config.server.clone()
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}
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pub fn get_info(uri: http::Uri) -> Result<LightdInfo, String> {
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let runner = make_grpc_client!(uri.scheme_str().unwrap(), uri.host().unwrap(), uri.port_part().unwrap())
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.and_then(move |mut client| {
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client.get_lightd_info(Request::new(Empty{}))
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.map_err(|e| {
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format!("ERR = {:?}", e)
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})
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.and_then(move |response| {
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|
Ok(response.into_inner())
|
|
})
|
|
.map_err(|e| {
|
|
format!("ERR = {:?}", e)
|
|
})
|
|
});
|
|
|
|
tokio::runtime::current_thread::Runtime::new().unwrap().block_on(runner)
|
|
}
|
|
|
|
pub fn do_info(uri: http::Uri) -> String {
|
|
format!("{:?}", LightClient::get_info(uri))
|
|
}
|
|
|
|
pub fn do_seed_phrase(&self) -> JsonValue {
|
|
object!{
|
|
"seed" => self.wallet.get_seed_phrase(),
|
|
"birthday" => self.wallet.get_birthday()
|
|
}
|
|
}
|
|
|
|
// Return a list of all notes, spent and unspent
|
|
pub fn do_list_notes(&self, all_notes: bool) -> JsonValue {
|
|
let mut unspent_notes: Vec<JsonValue> = vec![];
|
|
let mut spent_notes : Vec<JsonValue> = vec![];
|
|
let mut pending_notes: Vec<JsonValue> = vec![];
|
|
|
|
// Collect Sapling notes
|
|
self.wallet.txs.read().unwrap().iter()
|
|
.flat_map( |(txid, wtx)| {
|
|
wtx.notes.iter().filter_map(move |nd|
|
|
if !all_notes && nd.spent.is_some() {
|
|
None
|
|
} else {
|
|
Some(object!{
|
|
"created_in_block" => wtx.block,
|
|
"created_in_txid" => format!("{}", txid),
|
|
"value" => nd.note.value,
|
|
"is_change" => nd.is_change,
|
|
"address" => self.wallet.note_address(nd),
|
|
"spent" => nd.spent.map(|spent_txid| format!("{}", spent_txid)),
|
|
"unconfirmed_spent" => nd.unconfirmed_spent.map(|spent_txid| format!("{}", spent_txid)),
|
|
})
|
|
}
|
|
)
|
|
})
|
|
.for_each( |note| {
|
|
if note["spent"].is_null() && note["unconfirmed_spent"].is_null() {
|
|
unspent_notes.push(note);
|
|
} else if !note["spent"].is_null() {
|
|
spent_notes.push(note);
|
|
} else {
|
|
pending_notes.push(note);
|
|
}
|
|
});
|
|
|
|
// Collect UTXOs
|
|
let utxos = self.wallet.get_utxos().iter()
|
|
.filter(|utxo| utxo.unconfirmed_spent.is_none()) // Filter out unconfirmed from the list of utxos
|
|
.map(|utxo| {
|
|
object!{
|
|
"created_in_block" => utxo.height,
|
|
"created_in_txid" => format!("{}", utxo.txid),
|
|
"value" => utxo.value,
|
|
"scriptkey" => hex::encode(utxo.script.clone()),
|
|
"is_change" => false, // TODO: Identify notes as change
|
|
"address" => utxo.address.clone(),
|
|
"spent" => utxo.spent.map(|spent_txid| format!("{}", spent_txid)),
|
|
"unconfirmed_spent" => utxo.unconfirmed_spent.map(|spent_txid| format!("{}", spent_txid)),
|
|
}
|
|
})
|
|
.collect::<Vec<JsonValue>>();
|
|
|
|
// Collect pending UTXOs
|
|
let pending_utxos = self.wallet.get_utxos().iter()
|
|
.filter(|utxo| utxo.unconfirmed_spent.is_some()) // Filter to include only unconfirmed utxos
|
|
.map(|utxo|
|
|
object!{
|
|
"created_in_block" => utxo.height,
|
|
"created_in_txid" => format!("{}", utxo.txid),
|
|
"value" => utxo.value,
|
|
"scriptkey" => hex::encode(utxo.script.clone()),
|
|
"is_change" => false, // TODO: Identify notes as change
|
|
"address" => utxo.address.clone(),
|
|
"spent" => utxo.spent.map(|spent_txid| format!("{}", spent_txid)),
|
|
"unconfirmed_spent" => utxo.unconfirmed_spent.map(|spent_txid| format!("{}", spent_txid)),
|
|
}
|
|
)
|
|
.collect::<Vec<JsonValue>>();;
|
|
|
|
let mut res = object!{
|
|
"unspent_notes" => unspent_notes,
|
|
"pending_notes" => pending_notes,
|
|
"utxos" => utxos,
|
|
"pending_utxos" => pending_utxos,
|
|
};
|
|
|
|
if all_notes {
|
|
res["spent_notes"] = JsonValue::Array(spent_notes);
|
|
}
|
|
|
|
// If all notes, also add historical utxos
|
|
if all_notes {
|
|
res["spent_utxos"] = JsonValue::Array(self.wallet.txs.read().unwrap().values()
|
|
.flat_map(|wtx| {
|
|
wtx.utxos.iter()
|
|
.filter(|utxo| utxo.spent.is_some())
|
|
.map(|utxo| {
|
|
object!{
|
|
"created_in_block" => wtx.block,
|
|
"created_in_txid" => format!("{}", utxo.txid),
|
|
"value" => utxo.value,
|
|
"scriptkey" => hex::encode(utxo.script.clone()),
|
|
"is_change" => false, // TODO: Identify notes as change
|
|
"address" => utxo.address.clone(),
|
|
"spent" => utxo.spent.map(|spent_txid| format!("{}", spent_txid)),
|
|
"unconfirmed_spent" => utxo.unconfirmed_spent.map(|spent_txid| format!("{}", spent_txid)),
|
|
}
|
|
}).collect::<Vec<JsonValue>>()
|
|
}).collect::<Vec<JsonValue>>()
|
|
);
|
|
}
|
|
|
|
res
|
|
}
|
|
|
|
pub fn do_list_transactions(&self) -> JsonValue {
|
|
// Create a list of TransactionItems
|
|
let mut tx_list = self.wallet.txs.read().unwrap().iter()
|
|
.flat_map(| (_k, v) | {
|
|
let mut txns: Vec<JsonValue> = vec![];
|
|
|
|
if v.total_shielded_value_spent > 0 {
|
|
// If money was spent, create a transaction. For this, we'll subtract
|
|
// all the change notes. TODO: Add transparent change here to subtract it also
|
|
let total_change: u64 = v.notes.iter()
|
|
.filter( |nd| nd.is_change )
|
|
.map( |nd| nd.note.value )
|
|
.sum();
|
|
|
|
// TODO: What happens if change is > than sent ?
|
|
|
|
// Collect outgoing metadata
|
|
let outgoing_json = v.outgoing_metadata.iter()
|
|
.map(|om|
|
|
object!{
|
|
"address" => om.address.clone(),
|
|
"value" => om.value,
|
|
"memo" => LightWallet::memo_str(&Some(om.memo.clone())),
|
|
})
|
|
.collect::<Vec<JsonValue>>();
|
|
|
|
txns.push(object! {
|
|
"block_height" => v.block,
|
|
"txid" => format!("{}", v.txid),
|
|
"amount" => total_change as i64
|
|
- v.total_shielded_value_spent as i64
|
|
- v.total_transparent_value_spent as i64,
|
|
"outgoing_metadata" => outgoing_json,
|
|
});
|
|
}
|
|
|
|
// For each sapling note that is not a change, add a Tx.
|
|
txns.extend(v.notes.iter()
|
|
.filter( |nd| !nd.is_change )
|
|
.map ( |nd|
|
|
object! {
|
|
"block_height" => v.block,
|
|
"txid" => format!("{}", v.txid),
|
|
"amount" => nd.note.value as i64,
|
|
"address" => self.wallet.note_address(nd),
|
|
"memo" => LightWallet::memo_str(&nd.memo),
|
|
})
|
|
);
|
|
|
|
// Get the total transparent recieved
|
|
let total_transparent_received = v.utxos.iter().map(|u| u.value).sum::<u64>();
|
|
if total_transparent_received > v.total_transparent_value_spent {
|
|
// Create a input transaction for the transparent value as well.
|
|
txns.push(object!{
|
|
"block_height" => v.block,
|
|
"txid" => format!("{}", v.txid),
|
|
"amount" => total_transparent_received as i64 - v.total_transparent_value_spent as i64,
|
|
"address" => v.utxos.iter().map(|u| u.address.clone()).collect::<Vec<String>>().join(","),
|
|
"memo" => None::<String>
|
|
})
|
|
}
|
|
|
|
txns
|
|
})
|
|
.collect::<Vec<JsonValue>>();
|
|
|
|
tx_list.sort_by( |a, b| if a["block_height"] == b["block_height"] {
|
|
a["txid"].as_str().cmp(&b["txid"].as_str())
|
|
} else {
|
|
a["block_height"].as_i32().cmp(&b["block_height"].as_i32())
|
|
}
|
|
);
|
|
|
|
JsonValue::Array(tx_list)
|
|
}
|
|
|
|
pub fn do_rescan(&self) -> String {
|
|
info!("Rescan starting");
|
|
// First, clear the state from the wallet
|
|
self.wallet.clear_blocks();
|
|
|
|
// Then set the inital block
|
|
self.set_wallet_initial_state();
|
|
|
|
// Then, do a sync, which will force a full rescan from the initial state
|
|
let response = self.do_sync(true);
|
|
info!("Rescan finished");
|
|
|
|
response
|
|
}
|
|
|
|
pub fn do_sync(&self, print_updates: bool) -> String {
|
|
// Sync is 3 parts
|
|
// 1. Get the latest block
|
|
// 2. Get all the blocks that we don't have
|
|
// 3. Find all new Txns that don't have the full Tx, and get them as full transactions
|
|
// and scan them, mainly to get the memos
|
|
let mut last_scanned_height = self.wallet.last_scanned_height() as u64;
|
|
|
|
// This will hold the latest block fetched from the RPC
|
|
let latest_block_height = Arc::new(AtomicU64::new(0));
|
|
let lbh = latest_block_height.clone();
|
|
self.fetch_latest_block(move |block: BlockId| {
|
|
lbh.store(block.height, Ordering::SeqCst);
|
|
});
|
|
let latest_block = latest_block_height.load(Ordering::SeqCst);
|
|
|
|
info!("Latest block is {}", latest_block);
|
|
|
|
// Get the end height to scan to.
|
|
let mut end_height = std::cmp::min(last_scanned_height + 1000, latest_block);
|
|
|
|
// If there's nothing to scan, just return
|
|
if last_scanned_height == latest_block {
|
|
return "".to_string();
|
|
}
|
|
|
|
// Count how many bytes we've downloaded
|
|
let bytes_downloaded = Arc::new(AtomicUsize::new(0));
|
|
|
|
let mut total_reorg = 0;
|
|
|
|
// Fetch CompactBlocks in increments
|
|
loop {
|
|
let local_light_wallet = self.wallet.clone();
|
|
let local_bytes_downloaded = bytes_downloaded.clone();
|
|
|
|
let start_height = last_scanned_height + 1;
|
|
|
|
// Show updates only if we're syncing a lot of blocks
|
|
if print_updates && end_height - start_height > 100 {
|
|
print!("Syncing {}/{}\r", start_height, latest_block);
|
|
io::stdout().flush().ok().expect("Could not flush stdout");
|
|
}
|
|
|
|
// Fetch compact blocks
|
|
info!("Fetching blocks {}-{}", start_height, end_height);
|
|
|
|
let last_invalid_height = Arc::new(AtomicI32::new(0));
|
|
let last_invalid_height_inner = last_invalid_height.clone();
|
|
self.fetch_blocks(start_height, end_height,
|
|
move |encoded_block: &[u8]| {
|
|
// Process the block only if there were no previous errors
|
|
if last_invalid_height_inner.load(Ordering::SeqCst) > 0 {
|
|
return;
|
|
}
|
|
|
|
match local_light_wallet.scan_block(encoded_block) {
|
|
Ok(_) => {},
|
|
Err(invalid_height) => {
|
|
// Block at this height seems to be invalid, so invalidate up till that point
|
|
last_invalid_height_inner.store(invalid_height, Ordering::SeqCst);
|
|
}
|
|
}
|
|
|
|
local_bytes_downloaded.fetch_add(encoded_block.len(), Ordering::SeqCst);
|
|
});
|
|
|
|
// Check if there was any invalid block, which means we might have to do a reorg
|
|
let invalid_height = last_invalid_height.load(Ordering::SeqCst);
|
|
if invalid_height > 0 {
|
|
total_reorg += self.wallet.invalidate_block(invalid_height);
|
|
|
|
warn!("Invalidated block at height {}. Total reorg is now {}", invalid_height, total_reorg);
|
|
}
|
|
|
|
// Make sure we're not re-orging too much!
|
|
if total_reorg > (crate::lightwallet::MAX_REORG - 1) as u64 {
|
|
error!("Reorg has now exceeded {} blocks!", crate::lightwallet::MAX_REORG);
|
|
return format!("Reorg has exceeded {} blocks. Aborting.", crate::lightwallet::MAX_REORG);
|
|
}
|
|
|
|
if invalid_height > 0 {
|
|
// Reset the scanning heights
|
|
last_scanned_height = (invalid_height - 1) as u64;
|
|
end_height = std::cmp::min(last_scanned_height + 1000, latest_block);
|
|
|
|
warn!("Reorg: reset scanning from {} to {}", last_scanned_height, end_height);
|
|
|
|
continue;
|
|
}
|
|
|
|
// If it got here, that means the blocks are scanning properly now.
|
|
// So, reset the total_reorg
|
|
total_reorg = 0;
|
|
|
|
// We'll also fetch all the txids that our transparent addresses are involved with
|
|
// TODO: Use for all t addresses
|
|
let address = self.wallet.address_from_sk(&self.wallet.tkeys[0]);
|
|
let wallet = self.wallet.clone();
|
|
self.fetch_transparent_txids(address, start_height, end_height,
|
|
move |tx_bytes: &[u8], height: u64 | {
|
|
let tx = Transaction::read(tx_bytes).unwrap();
|
|
|
|
// Scan this Tx for transparent inputs and outputs
|
|
wallet.scan_full_tx(&tx, height as i32); // TODO: Add the height here!
|
|
}
|
|
);
|
|
|
|
last_scanned_height = end_height;
|
|
end_height = last_scanned_height + 1000;
|
|
|
|
if last_scanned_height >= latest_block {
|
|
break;
|
|
} else if end_height > latest_block {
|
|
end_height = latest_block;
|
|
}
|
|
}
|
|
if print_updates{
|
|
println!(""); // New line to finish up the updates
|
|
}
|
|
|
|
let mut responses = vec![];
|
|
|
|
info!("Synced to {}, Downloaded {} kB", latest_block, bytes_downloaded.load(Ordering::SeqCst) / 1024);
|
|
responses.push(format!("Synced to {}, Downloaded {} kB", latest_block, bytes_downloaded.load(Ordering::SeqCst) / 1024));
|
|
|
|
// Get the Raw transaction for all the wallet transactions
|
|
|
|
// We need to first copy over the Txids from the wallet struct, because
|
|
// we need to free the read lock from here (Because we'll self.wallet.txs later)
|
|
let txids_to_fetch: Vec<(TxId, i32)> = self.wallet.txs.read().unwrap().values()
|
|
.filter(|wtx| wtx.full_tx_scanned == false)
|
|
.map(|wtx| (wtx.txid, wtx.block))
|
|
.collect::<Vec<(TxId, i32)>>();
|
|
|
|
info!("Fetching {} new txids", txids_to_fetch.len());
|
|
|
|
// And go and fetch the txids, getting the full transaction, so we can
|
|
// read the memos
|
|
for (txid, height) in txids_to_fetch {
|
|
let light_wallet_clone = self.wallet.clone();
|
|
info!("Fetching full Tx: {}", txid);
|
|
responses.push(format!("Fetching full Tx: {}", txid));
|
|
|
|
self.fetch_full_tx(txid, move |tx_bytes: &[u8] | {
|
|
let tx = Transaction::read(tx_bytes).unwrap();
|
|
|
|
light_wallet_clone.scan_full_tx(&tx, height);
|
|
});
|
|
};
|
|
|
|
responses.join("\n")
|
|
}
|
|
|
|
pub fn do_send(&self, addr: &str, value: u64, memo: Option<String>) -> String {
|
|
info!("Creating transaction");
|
|
let rawtx = self.wallet.send_to_address(
|
|
u32::from_str_radix(&self.config.consensus_branch_id, 16).unwrap(), // Blossom ID
|
|
&self.sapling_spend, &self.sapling_output,
|
|
&addr, value, memo
|
|
);
|
|
|
|
match rawtx {
|
|
Some(txbytes) => match self.broadcast_raw_tx(txbytes) {
|
|
Ok(k) => k,
|
|
Err(e) => e,
|
|
},
|
|
None => format!("No Tx to broadcast")
|
|
}
|
|
}
|
|
|
|
// ==============
|
|
// GRPC code
|
|
// ==============
|
|
|
|
pub fn fetch_blocks<F : 'static + std::marker::Send>(&self, start_height: u64, end_height: u64, c: F)
|
|
where F : Fn(&[u8]) {
|
|
let uri = self.get_server_uri();
|
|
let runner = make_grpc_client!(uri.scheme_str().unwrap(), uri.host().unwrap(), uri.port_part().unwrap())
|
|
.and_then(move |mut client| {
|
|
let bs = BlockId{ height: start_height, hash: vec!()};
|
|
let be = BlockId{ height: end_height, hash: vec!()};
|
|
|
|
let br = Request::new(BlockRange{ start: Some(bs), end: Some(be)});
|
|
client
|
|
.get_block_range(br)
|
|
.map_err(|e| {
|
|
format!("RouteChat request failed; err={:?}", e)
|
|
})
|
|
.and_then(move |response| {
|
|
let inbound = response.into_inner();
|
|
inbound.for_each(move |b| {
|
|
use prost::Message;
|
|
let mut encoded_buf = vec![];
|
|
|
|
b.encode(&mut encoded_buf).unwrap();
|
|
c(&encoded_buf);
|
|
|
|
Ok(())
|
|
})
|
|
.map_err(|e| format!("gRPC inbound stream error: {:?}", e))
|
|
})
|
|
});
|
|
|
|
match tokio::runtime::current_thread::Runtime::new().unwrap().block_on(runner) {
|
|
Ok(_) => {}, // The result is processed in callbacks, so nothing to do here
|
|
Err(e) => {
|
|
error!("Error while executing fetch_blocks: {}", e);
|
|
eprintln!("{}", e);
|
|
}
|
|
};
|
|
}
|
|
|
|
pub fn fetch_transparent_txids<F : 'static + std::marker::Send>(&self, address: String,
|
|
start_height: u64, end_height: u64,c: F)
|
|
where F : Fn(&[u8], u64) {
|
|
let uri = self.get_server_uri();
|
|
let runner = make_grpc_client!(uri.scheme_str().unwrap(), uri.host().unwrap(), uri.port_part().unwrap())
|
|
.and_then(move |mut client| {
|
|
let start = Some(BlockId{ height: start_height, hash: vec!()});
|
|
let end = Some(BlockId{ height: end_height, hash: vec!()});
|
|
|
|
let br = Request::new(TransparentAddressBlockFilter{ address, range: Some(BlockRange{start, end}) });
|
|
|
|
client
|
|
.get_address_txids(br)
|
|
.map_err(|e| {
|
|
format!("RouteChat request failed; err={:?}", e)
|
|
})
|
|
.and_then(move |response| {
|
|
let inbound = response.into_inner();
|
|
inbound.for_each(move |tx| {
|
|
//let tx = Transaction::read(&tx.into_inner().data[..]).unwrap();
|
|
c(&tx.data, tx.height);
|
|
|
|
Ok(())
|
|
})
|
|
.map_err(|e| format!("gRPC inbound stream error: {:?}", e))
|
|
})
|
|
});
|
|
|
|
match tokio::runtime::current_thread::Runtime::new().unwrap().block_on(runner) {
|
|
Ok(_) => {}, // The result is processed in callbacks, so nothing to do here
|
|
Err(e) => {
|
|
error!("Error while executing fetch_transparent_txids: {}", e);
|
|
eprintln!("{}", e);
|
|
}
|
|
};
|
|
}
|
|
|
|
pub fn fetch_full_tx<F : 'static + std::marker::Send>(&self, txid: TxId, c: F)
|
|
where F : Fn(&[u8]) {
|
|
let uri = self.get_server_uri();
|
|
let runner = make_grpc_client!(uri.scheme_str().unwrap(), uri.host().unwrap(), uri.port_part().unwrap())
|
|
.and_then(move |mut client| {
|
|
let txfilter = TxFilter { block: None, index: 0, hash: txid.0.to_vec() };
|
|
client.get_transaction(Request::new(txfilter))
|
|
.map_err(|e| {
|
|
format!("RouteChat request failed; err={:?}", e)
|
|
})
|
|
.and_then(move |response| {
|
|
c(&response.into_inner().data);
|
|
|
|
Ok(())
|
|
})
|
|
.map_err(|e| { format!("ERR = {:?}", e) })
|
|
});
|
|
|
|
match tokio::runtime::current_thread::Runtime::new().unwrap().block_on(runner) {
|
|
Ok(_) => {}, // The result is processed in callbacks, so nothing to do here
|
|
Err(e) => {
|
|
error!("Error while executing fetch_full_tx: {}", e);
|
|
eprintln!("{}", e);
|
|
}
|
|
};
|
|
}
|
|
|
|
pub fn broadcast_raw_tx(&self, tx_bytes: Box<[u8]>) -> Result<String, String> {
|
|
let uri = self.get_server_uri();
|
|
let runner = make_grpc_client!(uri.scheme_str().unwrap(), uri.host().unwrap(), uri.port_part().unwrap())
|
|
.and_then(move |mut client| {
|
|
client.send_transaction(Request::new(RawTransaction {data: tx_bytes.to_vec(), height: 0}))
|
|
.map_err(|e| {
|
|
format!("ERR = {:?}", e)
|
|
})
|
|
.and_then(move |response| {
|
|
let sendresponse = response.into_inner();
|
|
if sendresponse.error_code == 0 {
|
|
Ok(format!("Successfully broadcast Tx: {}", sendresponse.error_message))
|
|
} else {
|
|
Err(format!("Error: {:?}", sendresponse))
|
|
}
|
|
})
|
|
.map_err(|e| { format!("ERR = {:?}", e) })
|
|
});
|
|
|
|
tokio::runtime::current_thread::Runtime::new().unwrap().block_on(runner)
|
|
}
|
|
|
|
pub fn fetch_latest_block<F : 'static + std::marker::Send>(&self, mut c : F)
|
|
where F : FnMut(BlockId) {
|
|
let uri = self.get_server_uri();
|
|
let runner = make_grpc_client!(uri.scheme_str().unwrap(), uri.host().unwrap(), uri.port_part().unwrap())
|
|
.and_then(|mut client| {
|
|
client.get_latest_block(Request::new(ChainSpec {}))
|
|
.map_err(|e| { format!("ERR = {:?}", e) })
|
|
.and_then(move |response| {
|
|
c(response.into_inner());
|
|
Ok(())
|
|
})
|
|
.map_err(|e| { format!("ERR = {:?}", e) })
|
|
});
|
|
|
|
match tokio::runtime::current_thread::Runtime::new().unwrap().block_on(runner) {
|
|
Ok(_) => {}, // The result is processed in callbacks, so nothing to do here
|
|
Err(e) => {
|
|
error!("Error while executing fetch_latest_block: {}", e);
|
|
eprintln!("{}", e);
|
|
}
|
|
};
|
|
}
|
|
|
|
}
|
|
|