docs: encode macaroon in python grpc example
Previously `decode` was used incorrectly.
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@ -138,11 +138,13 @@ This example will send a payment of 100 satoshis every 2 seconds.
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To authenticate using macaroons you need to include the macaroon in the metadata of the request.
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```python
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import codecs
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# Lnd admin macaroon is at ~/.lnd/admin.macaroon on Linux and
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# ~/Library/Application Support/Lnd/admin.macaroon on Mac
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with open('~/.lnd/admin.macaroon', 'rb') as f:
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with open(os.path.expanduser('~/.lnd/admin.macaroon'), 'rb') as f:
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macaroon_bytes = f.read()
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macaroon = codecs.decode(macaroon_bytes, 'hex')
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macaroon = codecs.encode(macaroon_bytes, 'hex')
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```
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The simplest approach to use the macaroon is to include the metadata in each request as shown below.
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@ -156,7 +158,7 @@ However, this can get tiresome to do for each request, so to avoid explicitly in
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```python
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def metadata_callback(context, callback):
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# for more info see grpc docs
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callback([('macaroon', self.macaroon)], None)
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callback([('macaroon', macaroon)], None)
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# build ssl credentials using the cert the same as before
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