Incorrect work settxfee #16958

The transaction fee is transferred incorrectly.

I do

bitcoin-cli settxfee 0.00088496
true

or

$fee = '0.00088496';
if ($bitcoin->settxfee($fee)) {

and then $redeem = $b->sendtoaddress($address, 0.0001);

And I expect payment in bytes will be equal to 88.496. And fee is approximately 0.00021 BTC. But it's not. Why?

2019-09-24T16:25:14Z [default wallet] Fee Calculation: Fee:14690 Bytes:166 Needed:14690 Tgt:0 (requested 0) Reason:"PayTxFee set" Decay 0.00000: Est
imation: (-1 - -1) -nan% 0.0/(0.0 0 mem 0.0 out) Fail: (-1 - -1) -nan% 0.0/(0.0 0 mem 0.0 out)

Ubuntu 16.04.3 Bitcoind 0.18.0

Previously, this problem was not. This started to happen after upgrading to version 0.18.0.

According to the line in the debug log, the fee is correctly calculated as:

0.00088496 BTC/kB * 0.168 kB = 0.00014867

Where did you get the numbers from that are not in the debug log?

Where did you get the numbers from that are not in the debug log?

Sorry. Fixed.

2019-09-24T16:25:14Z [default wallet] Fee Calculation: Fee:14690 Bytes:166 Needed:14690 Tgt:0 (requested 0) Reason:"PayTxFee set" Decay 0.00000: Est
imation: (-1 - -1) -nan% 0.0/(0.0 0 mem 0.0 out) Fail: (-1 - -1) -nan% 0.0/(0.0 0 mem 0.0 out)

According to the line in the debug log, the fee is correctly calculated as:

0.00088496 BTC/kB * 0.168 kB = 0.00014867

Now the weight of the transaction is considered differently? Why 0.168 (0.166)? Why not 0.247?

Now the weight of the transaction is considered differently? Why 0.168 (0.166)? Why not 0.247?

The size of the transaction is measured in "virtual bytes" (0.166kB), which does not correspond to the size of the transaction serialized in bytes. The weight is approximately 4 * vbytes (+-3)

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