sqldb: add AMP invoice queries

sqldb/sqlc/queries/amp_invoices.sql

@@ -0,0 +1,79 @@
+-- name: InsertAMPInvoicePayment :exec
+INSERT INTO amp_invoice_payments (
+    set_id, state, created_at, settled_index, invoice_id
+) VALUES (
+    $1, $2, $3, $4, $5
+); 
+
+-- name: SelectAMPInvoicePayments :many
+SELECT aip.*, ip.*
+FROM amp_invoice_payments aip LEFT JOIN invoice_payments ip ON aip.settled_index = ip.id
+WHERE (
+    set_id = sqlc.narg('set_id') OR 
+    sqlc.narg('set_id') IS NULL
+) AND (
+    aip.settled_index = sqlc.narg('settled_index') OR 
+    sqlc.narg('settled_index') IS NULL
+) AND (
+    aip.invoice_id = sqlc.narg('invoice_id') OR 
+    sqlc.narg('invoice_id') IS NULL
+); 
+
+-- name: UpdateAMPPayment :exec
+UPDATE amp_invoice_payments
+SET state = $1, settled_index = $2
+WHERE state = 0 AND (
+    set_id = sqlc.narg('set_id') OR 
+    sqlc.narg('set_id') IS NULL
+) AND (
+    invoice_id = sqlc.narg('invoice_id') OR 
+    sqlc.narg('invoice_id') IS NULL
+); 
+
+-- name: InsertAMPInvoiceHTLC :exec
+INSERT INTO amp_invoice_htlcs (
+    set_id, htlc_id, root_share, child_index, hash, preimage
+) VALUES (
+    $1, $2, $3, $4, $5, $6
+);
+
+-- name: GetAMPInvoiceHTLCsBySetID :many
+SELECT *
+FROM amp_invoice_htlcs
+WHERE set_id = $1;
+
+-- name: GetAMPInvoiceHTLCsByInvoiceID :many
+SELECT *
+FROM amp_invoice_htlcs
+WHERE invoice_id = $1;
+
+-- name: GetSetIDHTLCsCustomRecords :many
+SELECT ihcr.htlc_id, key, value
+FROM amp_invoice_htlcs aih JOIN invoice_htlc_custom_records ihcr ON aih.id=ihcr.htlc_id 
+WHERE aih.set_id = $1;
+
+-- name: UpdateAMPInvoiceHTLC :exec
+UPDATE amp_invoice_htlcs
+SET preimage = $1
+WHERE htlc_id = $2;
+
+-- name: DeleteAMPHTLCCustomRecords :exec
+WITH htlc_ids AS (
+    SELECT htlc_id
+    FROM amp_invoice_htlcs 
+    WHERE invoice_id = $1
+)
+DELETE
+FROM invoice_htlc_custom_records
+WHERE htlc_id IN (SELECT id FROM htlc_ids);
+
+-- name: DeleteAMPHTLCs :exec
+DELETE 
+FROM amp_invoice_htlcs  
+WHERE invoice_id = $1;
+
+-- name: DeleteAMPInvoiceHTLC :exec
+DELETE 
+FROM amp_invoice_htlcs
+WHERE set_id = $1;
+