wallet2: ensure transfers and sweeps use same fee calc logic

Ensures both transfers and sweeps use a fee that's calculated
from the tx's weight. Using different logic could theoretically
enable distinguishability between the two types of txs. We don't
want that.
This commit is contained in:
j-berman 2023-05-27 06:07:54 -07:00
parent 94e67bf96b
commit a8d2a58190

View File

@ -9911,7 +9911,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
else
{
LOG_PRINT_L2("We made a tx, adjusting fee and saving it, we need " << print_money(needed_fee) << " and we have " << print_money(test_ptx.fee));
while (needed_fee > test_ptx.fee) {
do {
if (use_rct)
transfer_selected_rct(tx.dsts, tx.selected_transfers, fake_outs_count, outs, valid_public_keys_cache, unlock_time, needed_fee, extra,
test_tx, test_ptx, rct_config, use_view_tags);
@ -9922,7 +9922,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_2(std::vector<cryp
needed_fee = calculate_fee(use_per_byte_fee, test_ptx.tx, txBlob.size(), base_fee, fee_quantization_mask);
LOG_PRINT_L2("Made an attempt at a final " << get_weight_string(test_ptx.tx, txBlob.size()) << " tx, with " << print_money(test_ptx.fee) <<
" fee and " << print_money(test_ptx.change_dts.amount) << " change");
}
} while (needed_fee > test_ptx.fee);
LOG_PRINT_L2("Made a final " << get_weight_string(test_ptx.tx, txBlob.size()) << " tx, with " << print_money(test_ptx.fee) <<
" fee and " << print_money(test_ptx.change_dts.amount) << " change");
@ -10318,7 +10318,7 @@ std::vector<wallet2::pending_tx> wallet2::create_transactions_from(const crypton
THROW_WALLET_EXCEPTION_IF(needed_fee > available_for_fee, error::wallet_internal_error, "Transaction cannot pay for itself");
do {
LOG_PRINT_L2("We made a tx, adjusting fee and saving it");
LOG_PRINT_L2("We made a tx, adjusting fee and saving it, we need " << print_money(needed_fee) << " and we have " << print_money(test_ptx.fee));
// distribute total transferred amount between outputs
uint64_t amount_transferred = available_for_fee - needed_fee;
uint64_t dt_amount = amount_transferred / outputs;