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Add the possibility to export private view key for fast scan.

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On client startup the device asks for authorization to export the private view key.
If user agree, the client hold the private view key allowing a fast blockchain scan.
If the user does not agree, the blockchain scan is fully done via the device.
pull/36/head
cslashm 6 years ago committed by wowario
parent 00b0f8dce4
commit f2cd4a45a7
No known key found for this signature in database
GPG Key ID: 24DCBE762DE9C111
2 changed files with 7 additions and 11 deletions
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4
src/device/device_ledger.cpp
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@ -135,10 +135,6 @@ namespace hw {
return sec == crypto::null_skey;
}
bool operator==(const crypto::key_derivation &d0, const crypto::key_derivation &d1) {
return !memcmp(&d0, &d1, sizeof(d0));
}
/* ===================================================================== */
/* === Device ==== */
/* ===================================================================== */

14
src/wallet/wallet2.cpp
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@ -1007,7 +1007,7 @@ void wallet2::set_unspent(size_t idx)
void wallet2::check_acc_out_precomp(const tx_out &o, const crypto::key_derivation &derivation, const std::vector<crypto::key_derivation> &additional_derivations, size_t i, tx_scan_info_t &tx_scan_info) const
{
hw::device &hwdev = m_account.get_device();
boost::unique_lock<hw::device> hwdev_lock (hwdev);
std::unique_lock<hw::device> hwdev_lock (hwdev);
hwdev.set_mode(hw::device::TRANSACTION_PARSE);
if (o.target.type() != typeid(txout_to_key))
{
@ -1085,7 +1085,7 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
//ensure device is let in NONE mode in any case
hw::device &hwdev = m_account.get_device();
boost::unique_lock<hw::device> hwdev_lock (hwdev);
std::unique_lock<hw::device> hwdev_lock (hwdev);
hw::reset_mode rst(hwdev);
hwdev_lock.unlock();
@ -1180,7 +1180,7 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
THROW_WALLET_EXCEPTION_IF(tx_scan_info[i].error, error::acc_outs_lookup_error, tx, tx_pub_key, m_account.get_keys());
if (tx_scan_info[i].received)
{
hwdev.conceal_derivation(tx_scan_info[i].received->derivation, tx_pub_key, additional_tx_pub_keys, derivation, additional_derivations);
hwdev.generate_key_derivation(tx_pub_key, keys.m_view_secret_key, tx_scan_info[i].received->derivation);
scan_output(tx, tx_pub_key, i, tx_scan_info[i], num_vouts_received, tx_money_got_in_outs, outs);
}
}
@ -1203,7 +1203,7 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
THROW_WALLET_EXCEPTION_IF(tx_scan_info[i].error, error::acc_outs_lookup_error, tx, tx_pub_key, m_account.get_keys());
if (tx_scan_info[i].received)
{
hwdev.conceal_derivation(tx_scan_info[i].received->derivation, tx_pub_key, additional_tx_pub_keys, derivation, additional_derivations);
hwdev.generate_key_derivation(tx_pub_key, keys.m_view_secret_key, tx_scan_info[i].received->derivation);
scan_output(tx, tx_pub_key, i, tx_scan_info[i], num_vouts_received, tx_money_got_in_outs, outs);
}
}
@ -1219,7 +1219,7 @@ void wallet2::process_new_transaction(const crypto::hash &txid, const cryptonote
{
hwdev_lock.lock();
hwdev.set_mode(hw::device::NONE);
hwdev.conceal_derivation(tx_scan_info[i].received->derivation, tx_pub_key, additional_tx_pub_keys, derivation, additional_derivations);
hwdev.generate_key_derivation(tx_pub_key, keys.m_view_secret_key, tx_scan_info[i].received->derivation);
scan_output(tx, tx_pub_key, i, tx_scan_info[i], num_vouts_received, tx_money_got_in_outs, outs);
hwdev_lock.unlock();
}
@ -7302,7 +7302,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
{
//ensure device is let in NONE mode in any case
hw::device &hwdev = m_account.get_device();
boost::unique_lock<hw::device> hwdev_lock (hwdev);
std::unique_lock<hw::device> hwdev_lock (hwdev);
hw::reset_mode rst(hwdev);
if(m_light_wallet) {
@ -7885,7 +7885,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton
{
//ensure device is let in NONE mode in any case
hw::device &hwdev = m_account.get_device();
boost::unique_lock<hw::device> hwdev_lock (hwdev);
std::unique_lock<hw::device> hwdev_lock (hwdev);
hw::reset_mode rst(hwdev);
uint64_t accumulated_fee, accumulated_outputs, accumulated_change;

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