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82 lines
2.7 KiB
82 lines
2.7 KiB
LIGHTNING-PAY(7)
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================
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:doctype: manpage
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NAME
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----
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lightning-pay - Protocol for sending a payment to a BOLT11 invoice
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SYNOPSIS
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--------
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*pay* 'bolt11' ['msatoshi'] ['description'] ['riskfactor']
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DESCRIPTION
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-----------
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The *pay* RPC command attempts to find a route to the given destination,
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and send the funds it asks for. If the 'bolt11' does not contain an amount,
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'msatoshi' is required, otherwise if it is specified it must be 'null'. If
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'bolt11' contains a description hash ('h' field) 'description' is
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required, otherwise it is unused. The 'riskfactor' is described in detail
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in lightning-getroute(7), and defaults to 1.0.
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The response will occur when the payment fails or succeeds. Once a
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payment has succeeded, calls to *pay* with the same 'bolt11' will
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succeed immediately.
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RETURN VALUE
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------------
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On success, this returns the payment 'preimage' which hashes to the
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'payment_hash' to prove that the payment was successful.
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On error, if the error occurred from a node other than the final
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destination, the route table will be updated so that getroute(7)
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should return an alternate route (if any). An error from the final
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destination implies the payment should not be retried.
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The following error codes may occur:
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* -1. Catchall nonspecific error.
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* 200. A previous *sendpay* or *pay* is in progress.
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* 201. Already paid with this 'hash' using different amount or
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destination.
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* 202. Unparseable onion reply. The 'data' field of the error
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will have a 'onionreply' field, a hex string representation
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of the raw onion reply.
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* 203. Permanent failure at destination. The 'data' field of
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the error will be routing failure object.
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* 204. Failure along route; retry a different route. The 'data'
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field of the error will be routing failure object.
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* 205. Unable to find a route.
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A routing failure object has the fields below:
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* 'erring_index'. The index of the node along the route that
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reported the error. 0 for the local node, 1 for the first
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hop, and so on.
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* 'erring_node'. The hex string of the pubkey id of the node
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that reported the error.
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* 'erring_channel'. The short channel ID of the channel that
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has the error, or '0:0:0' if the destination node raised
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the error.
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* 'failcode'. The failure code, as per BOLT #4.
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* 'channel_update'. The hex string of the 'channel_update'
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message received from the remote node. Only present if
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error is from the remote node and the 'failcode' has the
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UPDATE bit set, as per BOLT #4.
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AUTHOR
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------
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Rusty Russell <rusty@rustcorp.com.au> is mainly responsible.
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SEE ALSO
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--------
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lightning-listpayments(7), lightning-decodepay(7),
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lightning-listinvoice(7), lightning-delinvoice(7),
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lightning-getroute(7), lightning-invoice(7).
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RESOURCES
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---------
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Main web site: https://github.com/ElementsProject/lightning
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