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Merge pull request #700 from Sword-Smith/patch-3

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Specify that resolution of amount is msat
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Christian Decker 2020-01-29 14:21:19 +01:00 committed by GitHub
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11-payment-encoding.md
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@ -64,6 +64,7 @@ A writer:
- if a specific minimum `amount` is required for successful payment:
- MUST include that `amount`.
- MUST encode `amount` as a positive decimal integer with no leading 0s.
- If the `p` multiplier is used the `amount` the last decimal MUST be `0`.
- SHOULD use the shortest representation possible, by using the largest
multiplier or omitting the multiplier.
@ -89,6 +90,9 @@ Donation addresses often don't have an associated amount, so `amount`
is optional in that case. Usually a minimum payment is required for
whatever is being offered in return.
The `p` multiplier would allow to specify sub-millisatoshi amounts, which cannot be transferred on the network, since HTLCs are denominated in millisatoshis.
Requiring a trailing `0` decimal ensures that the `amount` represents an integer number of millisatoshis.
# Data Part
The data part of a Lightning invoice consists of multiple sections: