From f16b78996f348a5c0afd6d19e6dfbb2f91dfebd4 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Wed, 16 Dec 2020 12:07:09 +1030
Subject: [PATCH] currencyrate: add three new sources, git credit in README.md

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 currencyrate/README.md       | 12 ++++++++++++
 currencyrate/currencyrate.py | 12 ++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/currencyrate/README.md b/currencyrate/README.md
index 042dae7..44f5153 100644
--- a/currencyrate/README.md
+++ b/currencyrate/README.md
@@ -42,3 +42,15 @@ $ lightning-cli currencyconvert 100 USD
    "msat": "515941800msat"
 }
 ```
+
+## Default Currency Sources
+
+Thanks to those services who provide this information.  Coindesk require
+a blurb, so I did that for everyone (quoting from their front page):
+
+* localbitcoins.com: "Buy and Sell Bitcoin Everywhere"
+* www.bitstamp.net: "The original global crypto exchange."
+* api.coingecko.com: "The world's most comprehensive cryptocurrency API"
+* api.coindesk.com: "Powered by CoinDesk: https://www.coindesk.com/price/bitcoin"
+* api.coinbase.com: "The easiest place to buy, sell, and manage your cryptocurrency portfolio."
+* blockchain.info: "The World's Most Popular Way to Buy, Hold, and Use Crypto"
diff --git a/currencyrate/currencyrate.py b/currencyrate/currencyrate.py
index 25391d3..7bec0a1 100755
--- a/currencyrate/currencyrate.py
+++ b/currencyrate/currencyrate.py
@@ -26,6 +26,18 @@ sources = [
     Source('coingecko',
            'https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies={currency_lc}',
            ['bitcoin', '{currency_lc}']),
+    # e.g. {"time":{"updated":"Dec 16, 2020 00:58:00 UTC","updatedISO":"2020-12-16T00:58:00+00:00","updateduk":"Dec 16, 2020 at 00:58 GMT"},"disclaimer":"This data was produced from the CoinDesk Bitcoin Price Index (USD). Non-USD currency data converted using hourly conversion rate from openexchangerates.org","bpi":{"USD":{"code":"USD","rate":"19,395.1400","description":"United States Dollar","rate_float":19395.14},"AUD":{"code":"AUD","rate":"25,663.5329","description":"Australian Dollar","rate_float":25663.5329}}}
+    Source('coindesk',
+           'https://api.coindesk.com/v1/bpi/currentprice/{currency}.json',
+           ['bpi', '{currency}', 'rate_float']),
+    # e.g. {"data":{"base":"BTC","currency":"USD","amount":"19414.63"}}
+    Source('coinbase',
+           'https://api.coinbase.com/v2/prices/spot?currency={currency}',
+           ['data', 'amount']),
+    # e.g. {  "USD" : {"15m" : 6650.3, "last" : 6650.3, "buy" : 6650.3, "sell" : 6650.3, "symbol" : "$"},  "AUD" : {"15m" : 10857.19, "last" : 10857.19, "buy" : 10857.19, "sell" : 10857.19, "symbol" : "$"},...
+    Source('blockchain.info',
+           'https://blockchain.info/ticker',
+           ['{currency}', 'last']),
 ]