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5ff5225245
Now that we have the new package `lnd/channeldb/models` we can invert the depenency between `channeldb` and `invoices`. - Move all the invoice related types and errors to the `invoices` package. - Ensure that all the packages dealing with invoices use the types and interfaces defined in the `invoices` package. - Implement the InvoiceDB interface (defined in `lnd/invoices`) in channeldb. - Add new mock for InterfaceDB. - `InvoiceRegistery` tests are now in its own subpacakge (they need to import both invoices & channeldb). This is temporary until we can decouple them.
109 lines
3.9 KiB
Go
109 lines
3.9 KiB
Go
package invoices
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import (
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"errors"
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"fmt"
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)
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var (
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// ErrInvoiceAlreadySettled is returned when the invoice is already
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// settled.
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ErrInvoiceAlreadySettled = errors.New("invoice already settled")
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// ErrInvoiceAlreadyCanceled is returned when the invoice is already
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// canceled.
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ErrInvoiceAlreadyCanceled = errors.New("invoice already canceled")
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// ErrInvoiceAlreadyAccepted is returned when the invoice is already
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// accepted.
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ErrInvoiceAlreadyAccepted = errors.New("invoice already accepted")
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// ErrInvoiceStillOpen is returned when the invoice is still open.
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ErrInvoiceStillOpen = errors.New("invoice still open")
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// ErrInvoiceCannotOpen is returned when an attempt is made to move an
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// invoice to the open state.
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ErrInvoiceCannotOpen = errors.New("cannot move invoice to open")
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// ErrInvoiceCannotAccept is returned when an attempt is made to accept
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// an invoice while the invoice is not in the open state.
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ErrInvoiceCannotAccept = errors.New("cannot accept invoice")
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// ErrInvoicePreimageMismatch is returned when the preimage doesn't
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// match the invoice hash.
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ErrInvoicePreimageMismatch = errors.New("preimage does not match")
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// ErrHTLCPreimageMissing is returned when trying to accept/settle an
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// AMP HTLC but the HTLC-level preimage has not been set.
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ErrHTLCPreimageMissing = errors.New("AMP htlc missing preimage")
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// ErrHTLCPreimageMismatch is returned when trying to accept/settle an
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// AMP HTLC but the HTLC-level preimage does not satisfying the
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// HTLC-level payment hash.
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ErrHTLCPreimageMismatch = errors.New("htlc preimage mismatch")
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// ErrHTLCAlreadySettled is returned when trying to settle an invoice
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// but HTLC already exists in the settled state.
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ErrHTLCAlreadySettled = errors.New("htlc already settled")
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// ErrInvoiceHasHtlcs is returned when attempting to insert an invoice
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// that already has HTLCs.
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ErrInvoiceHasHtlcs = errors.New("cannot add invoice with htlcs")
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// ErrEmptyHTLCSet is returned when attempting to accept or settle and
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// HTLC set that has no HTLCs.
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ErrEmptyHTLCSet = errors.New("cannot settle/accept empty HTLC set")
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// ErrUnexpectedInvoicePreimage is returned when an invoice-level
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// preimage is provided when trying to settle an invoice that shouldn't
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// have one, e.g. an AMP invoice.
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ErrUnexpectedInvoicePreimage = errors.New(
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"unexpected invoice preimage provided on settle",
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)
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// ErrHTLCPreimageAlreadyExists is returned when trying to set an
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// htlc-level preimage but one is already known.
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ErrHTLCPreimageAlreadyExists = errors.New(
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"htlc-level preimage already exists",
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)
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// ErrInvoiceNotFound is returned when a targeted invoice can't be
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// found.
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ErrInvoiceNotFound = errors.New("unable to locate invoice")
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// ErrNoInvoicesCreated is returned when we don't have invoices in
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// our database to return.
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ErrNoInvoicesCreated = errors.New("there are no existing invoices")
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// ErrDuplicateInvoice is returned when an invoice with the target
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// payment hash already exists.
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ErrDuplicateInvoice = errors.New(
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"invoice with payment hash already exists",
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)
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// ErrDuplicatePayAddr is returned when an invoice with the target
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// payment addr already exists.
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ErrDuplicatePayAddr = errors.New(
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"invoice with payemnt addr already exists",
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)
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// ErrInvRefEquivocation is returned when an InvoiceRef targets
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// multiple, distinct invoices.
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ErrInvRefEquivocation = errors.New("inv ref matches multiple invoices")
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// ErrNoPaymentsCreated is returned when bucket of payments hasn't been
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// created.
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ErrNoPaymentsCreated = errors.New("there are no existing payments")
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)
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// ErrDuplicateSetID is an error returned when attempting to adding an AMP HTLC
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// to an invoice, but another invoice is already indexed by the same set id.
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type ErrDuplicateSetID struct {
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SetID [32]byte
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}
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// Error returns a human-readable description of ErrDuplicateSetID.
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func (e ErrDuplicateSetID) Error() string {
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return fmt.Sprintf("invoice with set_id=%x already exists", e.SetID)
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}
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