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57 lines
1.9 KiB
Markdown
57 lines
1.9 KiB
Markdown
# Currencyrate plugin
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This plugin provides Bitcoin currency conversion functions using various
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different backends and taking the median. It caches results for an hour.
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## Installation
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For general plugin installation instructions see the repos main
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[README.md](https://github.com/lightningd/plugins/blob/master/README.md#Installation)
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## Options:
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* --add-source: Add a source, of form NAME,URL,MEMBERS where URL and MEMBERS
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can have `{currency}` and `{currency_lc}` to substitute for upper-case and
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lower-case currency names. MEMBERS is how to deconstruct the result, for
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example if the result is `{"USD": {"last_trade": 12456.79}}` then MEMBERS
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would be "USD,last_trade".
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* --disable-source: Disable the source with this name.
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For c-lightning versions 0.9.3 and above, you can specify these
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options multiple times to add or disable multiple sources.
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## Commands
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`currencyrate` returns the number of msats per unit from every backend, eg:
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```
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$ lightning-cli currencyrate USD
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{
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"localbitcoins": "5347227msat",
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"bitstamp": "5577515msat",
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"coingecko": "5579273msat",
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}
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```
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`currencyconvert` converts the given amount and currency into msats, using the
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median from the above results. eg:
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```
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$ lightning-cli currencyconvert 100 USD
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{
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"msat": "515941800msat"
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}
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```
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## Default Currency Sources
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Thanks to those services who provide this information. Coindesk require
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a blurb, so I did that for everyone (quoting from their front page):
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* localbitcoins.com: "Buy and Sell Bitcoin Everywhere"
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* www.bitstamp.net: "The original global crypto exchange."
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* api.coingecko.com: "The world's most comprehensive cryptocurrency API"
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* api.coindesk.com: "Powered by CoinDesk: https://www.coindesk.com/price/bitcoin"
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* api.coinbase.com: "The easiest place to buy, sell, and manage your cryptocurrency portfolio."
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* blockchain.info: "The World's Most Popular Way to Buy, Hold, and Use Crypto"
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