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wallet: new rescan_spent command to update outputs' spent status

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This obsoletes the need for a lengthy blockchain rescan when
a transaction doesn't end up in the chain after being accepted
by the daemon, or any other reason why the wallet's idea of
spent and unspent outputs gets out of sync from the blockchain's.
This commit is contained in:
moneromooo-monero 2015-08-11 15:14:44 +01:00
parent 01e81205e0
commit aa5bc351d4
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GPG key ID: 686F07454D6CEFC3
5 changed files with 92 additions and 0 deletions
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41
src/wallet/wallet2.cpp
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@ -961,6 +961,47 @@ void wallet2::get_payments(std::list<std::pair<crypto::hash,wallet2::payment_det
});
}
//----------------------------------------------------------------------------------------------------
void wallet2::rescan_spent()
{
std::vector<std::string> key_images;
// make a list of key images for all our outputs
for (size_t i = 0; i < m_transfers.size(); ++i)
{
const transfer_details& td = m_transfers[i];
key_images.push_back(string_tools::pod_to_hex(td.m_key_image));
}
COMMAND_RPC_IS_KEY_IMAGE_SPENT::request req = AUTO_VAL_INIT(req);
COMMAND_RPC_IS_KEY_IMAGE_SPENT::response daemon_resp = AUTO_VAL_INIT(daemon_resp);
req.key_images = key_images;
bool r = epee::net_utils::invoke_http_json_remote_command2(m_daemon_address + "/is_key_image_spent", req, daemon_resp, m_http_client, 200000);
THROW_WALLET_EXCEPTION_IF(!r, error::no_connection_to_daemon, "is_key_image_spent");
THROW_WALLET_EXCEPTION_IF(daemon_resp.status == CORE_RPC_STATUS_BUSY, error::daemon_busy, "is_key_image_spent");
THROW_WALLET_EXCEPTION_IF(daemon_resp.status != CORE_RPC_STATUS_OK, error::is_key_image_spent_error, daemon_resp.status);
THROW_WALLET_EXCEPTION_IF(daemon_resp.spent_status.size() != key_images.size(), error::wallet_internal_error,
"daemon returned wrong response for is_key_image_spent, wrong amounts count = " +
std::to_string(daemon_resp.spent_status.size()) + ", expected " + std::to_string(key_images.size()));
// update spent status
for (size_t i = 0; i < m_transfers.size(); ++i)
{
transfer_details& td = m_transfers[i];
if (td.m_spent != daemon_resp.spent_status[i])
{
if (td.m_spent)
{
LOG_PRINT_L1("Marking output " << i << " as unspent, it was marked as spent");
}
else
{
LOG_PRINT_L1("Marking output " << i << " as spent, it was marked as unspent");
}
td.m_spent = daemon_resp.spent_status[i];
}
}
}
//----------------------------------------------------------------------------------------------------
bool wallet2::is_transfer_unlocked(const transfer_details& td) const
{
if(!is_tx_spendtime_unlocked(td.m_tx.unlock_time))