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Bitcoincharts Beancount converter

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Alan Pearce
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269e7b208e5d20bdc3f9cb2bdd178fbbecb046a6

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A README.org
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+* Bitcoincharts Beancount converter + +This is a quick tool I hacked together to convert historic bitcoin +prices from [[http://api.bitcoincharts.com/v1/csv/][bitcoincharts CSVs]] into beancount price directives. + +The files are gzipped CSVs of (unixtime, price, tradeamount) + +For each month with trades on the 1st, the tool calculates a weighted +average of trades on that day and outputs a beancount price directive. + +** Running + +The tool does not download files on its own. Download the files +before running. + +#+BEGIN_SRC shell +$ node index.js some.csv.gz +# or +$ node index.js some.csv.gz EUR +# or +$ node index.js some.csv.gz EUR BTC +#+END_SRC + +*** Parameters + +- filename (gzipped CSV) +- currency [optional] (currency code used in beancount {USD,EUR, etc}) +- commodity [optional] (currency code of commodity) {BTC,BCH,LTC, etc} + +*** Status + +It works. I don't plan on working on it much further. + +It's not very efficent. I suspect the main problem is the group +function probably doesn't assume that the input is sorted and +therefore buffers its entire input. Patches welcome. + +** License + +MIT