Why are there too many missing numbers in this transaction?

[Peter]

Hi,

I'm still trying to figure out, how to account my crypto swaps and trades correctly.

I added the newly created (thanks a thousand times @Martin) transfer_lots plugin and created some transactions.

Sadly, the last transaction yields the error:

$ bean-check Test.bean 

~/00-Beancount/Test.bean:21:      Too many missing numbers for currency group 'EUR'

$ cat Test.bean

option "booking_method" "FIFO"

plugin "beancount.plugins.book_conversions" "Assets:Bitcoin,Income:Bitcoin"

plugin "beancount.plugins.auto_accounts"

option "insert_pythonpath" "True"

plugin "plugins.transfer_lots" "transfer"

2020-12-01 * "" "Buy BTC"

          Assets:Cash:Coinbase-Pro         -1500.00 EUR

          Assets:Crypto:BTC:Coinbase-Pro       0.15 BTC {10,000 EUR} @ 10,000 EUR

2020-12-17 * "" "Buy BTC"

          Assets:Cash:Coinbase-Pro        -6,000.00 EUR

          Assets:Crypto:BTC:Coinbase-Pro        0.3 BTC {20,000 EUR} @ 20,000 EUR

2020-12-18 * "" "Transfer BTC" #transfer

          Assets:Crypto:BTC:Coinbase-Pro     -0.175 BTC {}

          Assets:Crypto:BTC:Binance         

2020-12-20 * "" "Swap BTC => USDT (1/2)"

; assumed BTC sell

          Assets:Crypto:BTC:Binance           -0.16 BTC {} @ 16,000 EUR

          Assets:Cash:Binance                 2,560 EUR

          Income:Trading

The lots are just fine:

$ bean-query Test.bean 

Input file: "Beancount"

Ready with 6 directives (8 postings in 3 transactions).

beancount> SELECT account, units(sum(position)) as units, cost_number as cost, cost_currency, cost(sum(position)) as book_value, cost_date as acquisition_date WHERE currency = 'BTC' ORDER BY units

           account               units   cost  cos book_val acquisitio

------------------------------ --------- ----- --- -------- ----------

Assets:Crypto:BTC:Coinbase-Pro           10000 EUR          2020-12-01

Assets:Crypto:BTC:Binance      0.025 BTC 20000 EUR  500 EUR 2020-12-17

Assets:Crypto:BTC:Binance      0.15  BTC 10000 EUR 1500 EUR 2020-12-01

Assets:Crypto:BTC:Coinbase-Pro 0.275 BTC 20000 EUR 5500 EUR 2020-12-17

Even trying to sell the entire position (following the manual's syntax) fails:

2020-12-20 * "" "Swap BTC => USDT (1/2)"

          Assets:Crypto:BTC:Binance           -0.175 BTC {} @ 16,000 EUR

          Assets:Cash:Binance                 2,560 EUR

          Income:Trading

I don't know if I didn't write the postings correctly (probably) or if it's related to the plugin (probably not). What's the problem here?

Regards

[Martin Blais]

The inference code has limits.

However, this is one which seems like it should have been resolvable, since you declared FIFO (there are two lots matching).

Can you file a ticket?

Thx

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[Martin Blais]

Never mind; done

https://github.com/beancount/beancount/issues/598

[Martin Blais]

BTW, I don't recommend using plugins.book_conversions, that was just a POC, not supported. It's actually gone in v3.

[Peter]

Thanks for creating the issue for me.

book_conversions is probably a left-behind after some playing around… Thanks for the hint.