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channeldb/invoice: add InvoiceRefByAddr

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Conner Fromknecht 2021-03-24 19:48:23 -07:00
parent 438b03afa4
commit be6698447e
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2 changed files with 19 additions and 0 deletions
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7
channeldb/invoice_test.go
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@ -1225,6 +1225,13 @@ func TestInvoiceRef(t *testing.T) {
require.Equal(t, lntypes.Hash{}, refBySetID.PayHash())
require.Equal(t, (*[32]byte)(nil), refBySetID.PayAddr())
require.Equal(t, &setID, refBySetID.SetID())
// An InvoiceRef by pay addr should only return a pay addr, but nil for
// pay hash and set id.
refByAddr := InvoiceRefByAddr(payAddr)
require.Equal(t, (*lntypes.Hash)(nil), refByAddr.PayHash())
require.Equal(t, &payAddr, refByAddr.PayAddr())
require.Equal(t, (*[32]byte)(nil), refByAddr.SetID())
}
// TestHTLCSet asserts that HTLCSet returns the proper set of accepted HTLCs

12
channeldb/invoices.go
View file

@ -236,6 +236,14 @@ func InvoiceRefByHashAndAddr(payHash lntypes.Hash,
}
}
// InvoiceRefByAddr creates an InvoiceRef that queries the payment addr index
// for an invoice with the provided payment address.
func InvoiceRefByAddr(addr [32]byte) InvoiceRef {
return InvoiceRef{
payAddr: &addr,
}
}
// InvoiceRefBySetID creates an InvoiceRef that queries the set id index for an
// invoice with the provided setID. If the invoice is not found, the query will
// not fallback to payHash or payAddr.
@ -903,6 +911,10 @@ func fetchInvoiceNumByRef(invoiceIndex, payAddrIndex, setIDIndex kvdb.RBucket,
return invoiceNumByAddr, nil
// Return invoices by payment addr only.
case invoiceNumByAddr != nil:
return invoiceNumByAddr, nil
// If we were only able to reference the invoice by hash, return the
// corresponding invoice number. This can happen when no payment address
// was provided, or if it didn't match anything in our records.