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postgres functions to check if node was removed (e.g. a la EIP158) in a range; update backend to use these to retrieve state and storage leafs in single (albeit complex) SELECT query

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This commit is contained in:
Ian Norden
2020-10-31 15:00:03 -05:00
parent 7c06d4b3a1
commit b128f894c4
3 changed files with 195 additions and 127 deletions
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db/migrations/00018_create_check_if_removed_functions.sql
+37
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@@ -0,0 +1,37 @@
-- +goose Up
-- +goose StatementBegin
-- returns if a storage node at the provided path was removed in the range > the provided height and <= the provided block hash
CREATE OR REPLACE FUNCTION was_storage_removed(path BYTEA, height BIGINT, hash VARCHAR(66)) RETURNS BOOLEAN
AS $$
SELECT exists(SELECT *
FROM eth.storage_cids
INNER JOIN eth.state_cids ON (storage_cids.state_id = state_cids.id)
INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
WHERE storage_path = path
AND block_number > height
AND block_number <= (SELECT block_number
FROM eth.header_cids
WHERE block_hash = hash)
AND storage_cids.node_type = 3);
$$ LANGUAGE SQL;
-- +goose StatementEnd
-- +goose StatementBegin
-- returns if a state node at the provided path was removed in the range > the provided height and <= the provided block hash
CREATE OR REPLACE FUNCTION was_state_removed(path BYTEA, height BIGINT, hash VARCHAR(66)) RETURNS BOOLEAN
AS $$
SELECT exists(SELECT *
FROM eth.state_cids
INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
WHERE state_path = path
AND block_number > height
AND block_number <= (SELECT block_number
FROM eth.header_cids
WHERE block_hash = hash)
AND state_cids.node_type = 3);
$$ LANGUAGE SQL;
-- +goose StatementEnd
-- +goose Down
DROP FUNCTION was_storage_removed;
DROP FUNCTION was_state_removed;
db/schema.sql
+39
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@@ -100,6 +100,45 @@ CREATE FUNCTION public.header_weight(hash character varying) RETURNS bigint
$$;
--
-- Name: was_state_removed(bytea, bigint, character varying); Type: FUNCTION; Schema: public; Owner: -
--
CREATE FUNCTION public.was_state_removed(path bytea, height bigint, hash character varying) RETURNS boolean
LANGUAGE sql
AS $$
SELECT exists(SELECT *
FROM eth.state_cids
INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
WHERE state_path = path
AND block_number > height
AND block_number <= (SELECT block_number
FROM eth.header_cids
WHERE block_hash = hash)
AND state_cids.node_type = 3);
$$;
--
-- Name: was_storage_removed(bytea, bigint, character varying); Type: FUNCTION; Schema: public; Owner: -
--
CREATE FUNCTION public.was_storage_removed(path bytea, height bigint, hash character varying) RETURNS boolean
LANGUAGE sql
AS $$
SELECT exists(SELECT *
FROM eth.storage_cids
INNER JOIN eth.state_cids ON (storage_cids.state_id = state_cids.id)
INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.id)
WHERE storage_path = path
AND block_number > height
AND block_number <= (SELECT block_number
FROM eth.header_cids
WHERE block_hash = hash)
AND storage_cids.node_type = 3);
$$;
SET default_tablespace = '';
SET default_table_access_method = heap;