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Interface InvoiceRequest

The invoice RPC command creates the expectation of a payment of a given amount of milli-satoshi: it returns a unique token which another lightning daemon can use to pay this invoice. This token includes a route hint description of an incoming channel with capacity to pay the invoice, if any exists.

The amount_msat parameter can be the string "any", which creates an invoice that can be paid with any amount. Otherwise it is a positive value in millisatoshi precision; it can be a whole number, or a whole number ending in msat or sat, or a number with three decimal places ending in sat, or a number with 1 to 11 decimal places ending in btc.

The label must be a unique string or number (which is treated as a string, so "01" is different from "1"); it is never revealed to other nodes on the lightning network, but it can be used to query the status of this invoice.

The description is a short description of purpose of payment, e.g. 1 cup of coffee. This value is encoded into the BOLT11 invoice and is viewable by any node you send this invoice to (unless deschashonly is true as described below). It must be UTF-8, and cannot use u JSON escape codes.

The expiry is optionally the time the invoice is valid for, in seconds. If no value is provided the default of 604800 (1 week) is used.

The fallbacks array is one or more fallback addresses to include in the invoice (in order from most-preferred to least): note that these arrays are not currently tracked to fulfill the invoice.

The preimage is a 64-digit hex string to be used as payment preimage for the created invoice. By default, if unspecified, lightningd will generate a secure pseudorandom preimage seeded from an appropriate entropy source on your system. IMPORTANT: if you specify the preimage, you are responsible, to ensure appropriate care for generating using a secure pseudorandom generator seeded with sufficient entropy, and keeping the preimage secret. This parameter is an advanced feature intended for use with cutting-edge cryptographic protocols and should not be used unless explicitly needed.

If specified, exposeprivatechannels overrides the default route hint logic, which will use unpublished channels only if there are no published channels. If true unpublished channels are always considered as a route hint candidate; if false, never. If it is a short channel id (e.g. 1x1x3) or array of short channel ids (or a remote alias), only those specific channels will be considered candidates, even if they are public or dead-ends.

The route hint is selected from the set of incoming channels of which: peer's balance minus their reserves is at least msatoshi, state is normal, the peer is connected and not a dead end (i.e. has at least one other public channel). The selection uses some randomness to prevent probing, but favors channels that become more balanced after the payment.

If specified, cltv sets the min_final_cltv_expiry for the invoice. Otherwise, it's set to the parameter cltv-final.

If deschashonly is true (default false), then the bolt11 returned contains a hash of the description, rather than the description itself: this allows much longer descriptions, but they must be communicated via some other mechanism.

Hierarchy

  • InvoiceRequest

Index

Properties

cltv?: string | number
deschashonly?: boolean
description: string
expiry?: string | number
exposeprivatechannels?: boolean
fallbacks?: string[]
label: string
msatoshi: string | number
preimage?: string

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