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lightning/doc/lightning-waitinvoice.7.md

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docs: Update manpages to be recognized correctly by mrkd mrkd started enforcing the `name -- short description` style of top-level headings somewhere, and was thus failing to build the man-pages. I swapped the title and with the existing short description to make it work again. `mrkd` will automatically infer the section from the filename so no need to put it in the title as well. In addition I removed the "last updated" lines at the bottom since they are out of date at best, and misleading at the worst. If we want to keep them, I'd suggest generating them from the commit that last touched them.
5 years ago
lightning-waitinvoice -- Command for waiting for specific payment
=================================================================
doc/manpages: replace asciidoc by markdown
5 years ago
SYNOPSIS
--------
**waitinvoice** *label*
DESCRIPTION
-----------
The **waitinvoice** RPC command waits until a specific invoice is paid,
then returns that single entry as per **listinvoice**.
RETURN VALUE
------------
On success, an invoice description will be returned as per
lightning-listinvoice(7). The *status* field will be *paid*.
Use dedicated type for error codes Before this patch we used `int` for error codes. The problem with `int` is that we try to pass it to/from wire and the size of `int` is not defined by the standard. So a sender with 4-byte `int` would write 4 bytes to the wire and a receiver with 2-byte `int` (for example) would read just 2 bytes from the wire. To resolve this: * Introduce an error code type with a known size: `typedef s32 errcode_t`. * Change all error code macros to constants of type `errcode_t`. Constants also play better with gdb - it would visualize the name of the constant instead of the numeric value. * Change all functions that take error codes to take the new type `errcode_t` instead of `int`. * Introduce towire / fromwire functions to send / receive the newly added type `errcode_t` and use it instead of `towire_int()`. In addition: * Remove the now unneeded `towire_int()`. * Replace a hardcoded error code `-2` with a new constant `INVOICE_EXPIRED_DURING_WAIT` (903). Changelog-Changed: The waitinvoice command would now return error code 903 to designate that the invoice expired during wait, instead of the previous -2
5 years ago
On error the returned object will contain `code` and `message` properties,
with `code` being one of the following:
doc/manpages: replace asciidoc by markdown
5 years ago
Use dedicated type for error codes Before this patch we used `int` for error codes. The problem with `int` is that we try to pass it to/from wire and the size of `int` is not defined by the standard. So a sender with 4-byte `int` would write 4 bytes to the wire and a receiver with 2-byte `int` (for example) would read just 2 bytes from the wire. To resolve this: * Introduce an error code type with a known size: `typedef s32 errcode_t`. * Change all error code macros to constants of type `errcode_t`. Constants also play better with gdb - it would visualize the name of the constant instead of the numeric value. * Change all functions that take error codes to take the new type `errcode_t` instead of `int`. * Introduce towire / fromwire functions to send / receive the newly added type `errcode_t` and use it instead of `towire_int()`. In addition: * Remove the now unneeded `towire_int()`. * Replace a hardcoded error code `-2` with a new constant `INVOICE_EXPIRED_DURING_WAIT` (903). Changelog-Changed: The waitinvoice command would now return error code 903 to designate that the invoice expired during wait, instead of the previous -2
5 years ago
- -32602: If the given parameters are wrong.
- -1: If the invoice is deleted while unpaid, or the invoice does not exist.
- 903: If the invoice expires before being paid, or is already expired.
doc/manpages: replace asciidoc by markdown
5 years ago
AUTHOR
------
Christian Decker <<decker.christian@gmail.com>> is mainly
responsible.
SEE ALSO
--------
lightning-waitanyinvoice(7), lightning-listinvoice(7),
lightning-delinvoice(7), lightning-invoice(7)
RESOURCES
---------
Main web site: <https://github.com/ElementsProject/lightning>
doc: force refresh of all manpages. The idea is that you regenerate the man pages in the same commit you alter them: that&#39;s how we know whether to try regenerating them or not (git doesn&#39;t store timestamps, so it can&#39;t really tell). Travis will now check this, so force them all to sync to this commit. Signed-off-by: Rusty Russell &lt;rusty@rustcorp.com.au&gt;
4 years ago