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6a360fb2e2
This commit attempts to fix some issues with the invoice store's schema that we couldn't foresee before the implementation was finished. This is safe as the schema has not been instantiated yet outside of unit tests. Furthermore the commit updates invoice store SQL queries according to fixes in the schema as well as to prepare the higher level implementation in the upcoming commits.
64 lines
2.5 KiB
SQL
64 lines
2.5 KiB
SQL
-- amp_sub_invoices holds all AMP sub-invoices that belong to a given parent
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-- invoice.
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CREATE TABLE IF NOT EXISTS amp_sub_invoices (
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-- The set id identifying the payment.
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set_id BLOB PRIMARY KEY,
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-- The state of this amp payment. This matches the state for all the htlcs
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-- belonging to this set id. The A in AMP stands for Atomic.
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state SMALLINT NOT NULL,
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-- Timestamp of when the first htlc for this payment was accepted.
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created_at TIMESTAMP NOT NULL,
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-- When the invoice was settled.
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settled_at TIMESTAMP,
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-- If settled, the index is set to the current_value+1 of the settle_index
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-- seuqence in the invoice_sequences table. If not settled, then it is set
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-- to NULL.
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settle_index BIGINT,
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-- The id of the parent invoice this AMP invoice belongs to.
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invoice_id BIGINT NOT NULL REFERENCES invoices(id) ON DELETE CASCADE,
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-- A unique constraint on the set_id and invoice_id is needed to ensure that
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-- we don't have two AMP invoices for the same invoice.
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UNIQUE (set_id, invoice_id)
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);
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CREATE INDEX IF NOT EXISTS amp_sub_invoices_invoice_id_idx ON amp_sub_invoices(invoice_id);
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-- amp_invoice_htlcs contains the complementary information for an htlc related
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-- to an AMP invoice.
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CREATE TABLE IF NOT EXISTS amp_sub_invoice_htlcs (
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-- The invoice id this entry is related to.
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invoice_id BIGINT NOT NULL REFERENCES invoices(id) ON DELETE CASCADE,
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-- The set id identifying the payment this htlc belongs to.
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set_id BLOB NOT NULL REFERENCES amp_sub_invoices(set_id) ON DELETE CASCADE,
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-- The id of the htlc this entry blongs to.
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htlc_id BIGINT NOT NULL REFERENCES invoice_htlcs(id) ON DELETE CASCADE,
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-- The root share for this amp htlc.
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root_share BLOB NOT NULL,
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-- The child index for this amp htlc.
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child_index BIGINT NOT NULL,
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-- The htlc-level payment hash. An AMP htlc will carry a different payment
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-- hash from the invoice it might be satisfying. They are needed to ensure
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-- that we reconstruct the preimage correctly.
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hash BLOB NOT NULL,
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-- The HTLC-level preimage that satisfies the AMP htlc's Hash.
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-- The preimage will be derived either from secret share reconstruction of
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-- the shares in the AMP payload.
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preimage BLOB
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);
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CREATE INDEX IF NOT EXISTS amp_htlcs_invoice_id_idx ON amp_sub_invoice_htlcs(invoice_id);
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CREATE INDEX IF NOT EXISTS amp_htlcs_set_id_idx ON amp_sub_invoice_htlcs(set_id);
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CREATE INDEX IF NOT EXISTS amp_htlcs_htlc_id_idx ON amp_sub_invoice_htlcs(htlc_id);
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