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Add support for remote scanning via custom TCP (#118)

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This commit is contained in:
Lee *!* Clagett
2024-09-22 19:55:28 -04:00
committed by Lee *!* Clagett
parent a5d802cd9b
commit cd62461578
31 changed files with 2950 additions and 500 deletions
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30
src/db/storage.cpp
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@@ -935,6 +935,29 @@ namespace db
return accounts.get_value<account>(value);
}
expect<lws::account> storage_reader::get_full_account(const account& user)
{
std::vector<std::pair<db::output_id, db::address_index>> receives{};
std::vector<crypto::public_key> pubs{};
auto receive_list = get_outputs(user.id);
if (!receive_list)
return receive_list.error();
const std::size_t elems = receive_list->count();
receives.reserve(elems);
pubs.reserve(elems);
for (auto output = receive_list->make_iterator(); !output.is_end(); ++output)
{
auto id = output.get_value<MONERO_FIELD(db::output, spend_meta.id)>();
auto subaddr = output.get_value<MONERO_FIELD(db::output, recipient)>();
receives.emplace_back(std::move(id), std::move(subaddr));
pubs.emplace_back(output.get_value<MONERO_FIELD(db::output, pub)>());
}
return lws::account{user, std::move(receives), std::move(pubs)};
}
expect<std::pair<account_status, account>>
storage_reader::get_account(account_address const& address) noexcept
{
@@ -2811,8 +2834,13 @@ namespace db
accounts_by_address.get_value<MONERO_FIELD(account_by_address, lookup)>(temp_value).value().status;
MONERO_LMDB_CHECK(mdb_cursor_get(accounts_cur.get(), &key, &value, MDB_GET_BOTH));
}
/* The check below is `<` instead of `!=` because of remote scanning -
a "check-in" can occur before the user accounts are replaced.
Duplicate writes should be supported as this (duplicate writes)
happened historically due to a different bug involving scan heights.*/
expect<account> existing = accounts.get_value<account>(value);
if (!existing || existing->scan_height != user->scan_height())
if (!existing || existing->scan_height < user->scan_height())
continue; // to next account
// Don't re-store data if already scanned