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Add 5 unused addresses all the time

checkpoints
Aditya Kulkarni 5 years ago
parent
commit
21c197182f
  1. 49
      lib/src/lightwallet.rs
  2. 49
      lib/src/lightwallet/tests.rs

49
lib/src/lightwallet.rs

@ -52,6 +52,7 @@ use data::{BlockData, WalletTx, Utxo, SaplingNoteData, SpendableNote, OutgoingTx
use extended_key::{KeyIndex, ExtendedPrivKey};
pub const MAX_REORG: usize = 100;
pub const GAP_RULE_UNUSED_ADDRESSES: usize = 5;
fn now() -> f64 {
SystemTime::now().duration_since(SystemTime::UNIX_EPOCH).unwrap().as_secs() as f64
@ -879,29 +880,45 @@ impl LightWallet {
}
}
// If the last taddress was used, ensure we add the next HD taddress to the wallet.
pub fn ensure_hd_taddresses(&self, address: &String) {
let last_address = {
self.taddresses.read().unwrap().last().unwrap().clone()
// If one of the last 'n' taddress was used, ensure we add the next HD taddress to the wallet.
pub fn ensure_hd_taddresses(&self, address: &String) {
let last_addresses = {
self.taddresses.read().unwrap().iter().rev().take(GAP_RULE_UNUSED_ADDRESSES).map(|s| s.clone()).collect::<Vec<String>>()
};
if *last_address == *address {
// If the wallet is locked, this is a no-op. That is fine, since we really
// need to only add new addresses when restoring a new wallet, when it will not be locked.
// Also, if it is locked, the user can't create new addresses anyway.
self.add_taddr();
match last_addresses.iter().position(|s| *s == *address) {
None => return,
Some(pos) => {
// If it in the last unused, addresses, create that many more
for _ in 0..(GAP_RULE_UNUSED_ADDRESSES - pos) {
// If the wallet is locked, this is a no-op. That is fine, since we really
// need to only add new addresses when restoring a new wallet, when it will not be locked.
// Also, if it is locked, the user can't create new addresses anyway.
self.add_taddr();
}
}
}
}
// If the last zaddress was used, ensure we add the next HD zaddress to the wallet
// If one of the last 'n' zaddress was used, ensure we add the next HD zaddress to the wallet
pub fn ensure_hd_zaddresses(&self, address: &String) {
let last_address = encode_payment_address(self.config.hrp_sapling_address(), self.zaddress.read().unwrap().last().unwrap());
let last_addresses = {
self.zaddress.read().unwrap().iter().rev().take(GAP_RULE_UNUSED_ADDRESSES)
.map(|s| encode_payment_address(self.config.hrp_sapling_address(), s))
.collect::<Vec<String>>()
};
if last_address == *address {
// If the wallet is locked, this is a no-op. That is fine, since we really
// need to only add new addresses when restoring a new wallet, when it will not be locked.
// Also, if it is locked, the user can't create new addresses anyway.
self.add_zaddr();
match last_addresses.iter().position(|s| *s == *address) {
None => return,
Some(pos) => {
// If it in the last unused, addresses, create that many more
for _ in 0..(GAP_RULE_UNUSED_ADDRESSES - pos) {
// If the wallet is locked, this is a no-op. That is fine, since we really
// need to only add new addresses when restoring a new wallet, when it will not be locked.
// Also, if it is locked, the user can't create new addresses anyway.
self.add_zaddr();
}
}
}
}

49
lib/src/lightwallet/tests.rs

@ -796,7 +796,7 @@ fn test_multi_z() {
const AMOUNT1: u64 = 50000;
let (wallet, txid1, block_hash) = get_test_wallet(AMOUNT1);
let zaddr2 = wallet.add_zaddr();
let zaddr2 = wallet.add_zaddr(); // This is acually address #6, since there are 5 initial addresses in the wallet
const AMOUNT_SENT: u64 = 20;
@ -845,7 +845,7 @@ fn test_multi_z() {
assert_eq!(LightWallet::memo_str(&txs[&sent_txid].notes[change_note_number].memo), None);
assert_eq!(txs[&sent_txid].notes[ext_note_number].note.value, AMOUNT_SENT);
assert_eq!(txs[&sent_txid].notes[ext_note_number].account, 2);
assert_eq!(txs[&sent_txid].notes[ext_note_number].account, 6); // The new addr is added after the change addresses
assert_eq!(txs[&sent_txid].notes[ext_note_number].is_change, false);
assert_eq!(txs[&sent_txid].notes[ext_note_number].spent, None);
assert_eq!(txs[&sent_txid].notes[ext_note_number].unconfirmed_spent, None);
@ -1140,9 +1140,9 @@ fn test_add_new_zt_hd_after_incoming() {
let branch_id = u32::from_str_radix("2bb40e60", 16).unwrap();
let (ss, so) = get_sapling_params().unwrap();
assert_eq!(wallet.zaddress.read().unwrap().len(), 2); // Starts with 2 addresses
assert_eq!(wallet.zaddress.read().unwrap().len(), 6); // Starts with 1+5 addresses
// Create a tx and send to address
// Create a tx and send to the last address
let raw_tx = wallet.send_to_address(branch_id, &ss, &so,
vec![(&my_address, AMOUNT1 - fee, None)]).unwrap();
let sent_tx = Transaction::read(&raw_tx[..]).unwrap();
@ -1152,21 +1152,24 @@ fn test_add_new_zt_hd_after_incoming() {
cb3.add_tx(&sent_tx);
wallet.scan_block(&cb3.as_bytes()).unwrap();
assert_eq!(wallet.zaddress.read().unwrap().len(), 3); // Now has a new address
// NOw, 5 new addresses should be created
assert_eq!(wallet.zaddress.read().unwrap().len(), 6+5);
let mut rng = OsRng;
let secp = Secp256k1::new();
// Send a fake transaction to the last taddr
let pk = PublicKey::from_secret_key(&secp, &wallet.tkeys.read().unwrap().last().unwrap());
assert_eq!(wallet.taddresses.read().unwrap().len(), 1); // Start with 1 taddr
// Start with 1 taddr
assert_eq!(wallet.taddresses.read().unwrap().len(), 1);
// Send a Tx to the last address
let mut tx = FakeTransaction::new(&mut rng);
tx.add_t_output(&pk, AMOUNT1);
wallet.scan_full_tx(&tx.get_tx(), 3, 0);
assert_eq!(wallet.taddresses.read().unwrap().len(), 2); // Now there should be 2 addrs
// Now, 5 new addresses should be created.
assert_eq!(wallet.taddresses.read().unwrap().len(), 1+5);
}
#[test]
@ -1359,11 +1362,11 @@ fn test_multi_spends() {
const AMOUNT1: u64 = 50000;
let (wallet, txid1, block_hash) = get_test_wallet(AMOUNT1);
let zaddr2 = wallet.add_zaddr();
let zaddr2 = wallet.add_zaddr(); // Address number 6
const ZAMOUNT2:u64 = 30;
let outgoing_memo2 = "Outgoing Memo2".to_string();
let zaddr3 = wallet.add_zaddr();
let zaddr3 = wallet.add_zaddr(); // Address number 7
const ZAMOUNT3:u64 = 40;
let outgoing_memo3 = "Outgoing Memo3".to_string();
@ -1412,7 +1415,7 @@ fn test_multi_spends() {
// Find zaddr2
let zaddr2_note = txs[&sent_txid].notes.iter().find(|n| n.note.value == ZAMOUNT2).unwrap();
assert_eq!(zaddr2_note.account, 2);
assert_eq!(zaddr2_note.account, 6);
assert_eq!(zaddr2_note.is_change, false);
assert_eq!(zaddr2_note.spent, None);
assert_eq!(zaddr2_note.unconfirmed_spent, None);
@ -1420,7 +1423,7 @@ fn test_multi_spends() {
// Find zaddr3
let zaddr3_note = txs[&sent_txid].notes.iter().find(|n| n.note.value == ZAMOUNT3).unwrap();
assert_eq!(zaddr3_note.account, 3);
assert_eq!(zaddr3_note.account, 7);
assert_eq!(zaddr3_note.is_change, false);
assert_eq!(zaddr3_note.spent, None);
assert_eq!(zaddr3_note.unconfirmed_spent, None);
@ -1781,8 +1784,8 @@ fn test_lock_unlock() {
// Add some addresses
let zaddr0 = encode_payment_address(config.hrp_sapling_address(),
&wallet.extfvks.read().unwrap()[0].default_address().unwrap().1);
let zaddr1 = wallet.add_zaddr(); // This is actually address at index 2
let zaddr2 = wallet.add_zaddr(); // This is actually address at index 3
let zaddr1 = wallet.add_zaddr(); // This is actually address at index 6
let zaddr2 = wallet.add_zaddr(); // This is actually address at index 7
let taddr0 = wallet.address_from_sk(&wallet.tkeys.read().unwrap()[0]);
let taddr1 = wallet.add_taddr();
@ -1813,15 +1816,15 @@ fn test_lock_unlock() {
{
let extsks = wallet.extsks.read().unwrap();
let tkeys = wallet.tkeys.read().unwrap();
assert_eq!(extsks.len(), 4); // 3 zaddrs + 1 added originally in get_test_wallet()
assert_eq!(extsks.len(), 8); // 3 zaddrs + 1 original + 4 extra HD addreses
assert_eq!(tkeys.len(), 3);
assert_eq!(zaddr0, encode_payment_address(config.hrp_sapling_address(),
&ExtendedFullViewingKey::from(&extsks[0]).default_address().unwrap().1));
assert_eq!(zaddr1, encode_payment_address(config.hrp_sapling_address(),
&ExtendedFullViewingKey::from(&extsks[2]).default_address().unwrap().1));
&ExtendedFullViewingKey::from(&extsks[6]).default_address().unwrap().1));
assert_eq!(zaddr2, encode_payment_address(config.hrp_sapling_address(),
&ExtendedFullViewingKey::from(&extsks[3]).default_address().unwrap().1));
&ExtendedFullViewingKey::from(&extsks[7]).default_address().unwrap().1));
assert_eq!(taddr0, wallet.address_from_sk(&tkeys[0]));
assert_eq!(taddr1, wallet.address_from_sk(&tkeys[1]));
@ -1849,15 +1852,15 @@ fn test_lock_unlock() {
{
let extsks = wallet2.extsks.read().unwrap();
let tkeys = wallet2.tkeys.read().unwrap();
assert_eq!(extsks.len(), 4);
assert_eq!(extsks.len(), 8);
assert_eq!(tkeys.len(), 3);
assert_eq!(zaddr0, encode_payment_address(wallet2.config.hrp_sapling_address(),
&ExtendedFullViewingKey::from(&extsks[0]).default_address().unwrap().1));
assert_eq!(zaddr1, encode_payment_address(wallet2.config.hrp_sapling_address(),
&ExtendedFullViewingKey::from(&extsks[2]).default_address().unwrap().1));
&ExtendedFullViewingKey::from(&extsks[6]).default_address().unwrap().1));
assert_eq!(zaddr2, encode_payment_address(wallet2.config.hrp_sapling_address(),
&ExtendedFullViewingKey::from(&extsks[3]).default_address().unwrap().1));
&ExtendedFullViewingKey::from(&extsks[7]).default_address().unwrap().1));
assert_eq!(taddr0, wallet2.address_from_sk(&tkeys[0]));
assert_eq!(taddr1, wallet2.address_from_sk(&tkeys[1]));
@ -2003,7 +2006,7 @@ fn test_encrypted_zreceive() {
wallet.unlock(password.clone()).unwrap();
// Second z address
let zaddr2 = wallet.add_zaddr();
let zaddr2 = wallet.add_zaddr(); // This is address number 6
const ZAMOUNT2:u64 = 30;
let outgoing_memo2 = "Outgoing Memo2".to_string();
@ -2040,7 +2043,7 @@ fn test_encrypted_zreceive() {
// Find zaddr2
let zaddr2_note = txs[&txid2].notes.iter().find(|n| n.note.value == ZAMOUNT2).unwrap();
assert_eq!(zaddr2_note.account, 2);
assert_eq!(zaddr2_note.account, 6);
assert_eq!(zaddr2_note.is_change, false);
assert_eq!(zaddr2_note.spent, None);
assert_eq!(zaddr2_note.unconfirmed_spent, None);

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