xpay is relying on the destructor to send another request. This means
that it doesn't actually submit the request until *next time* we wake.
This has been in xpay from the start, but it is not noticeable until
xpay stops subscribing to every command on the rpc_command hook.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Any file in this directory which is executable and whose name only
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automatically loaded when lightningd starts (unless suppressed with
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