44 lines
1.7 KiB
PL/PgSQL
44 lines
1.7 KiB
PL/PgSQL
-- +goose Up
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-- +goose StatementBegin
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-- returns whether the state leaf key is vacated (previously existed but now is empty) at the provided block hash
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CREATE OR REPLACE FUNCTION was_state_leaf_removed(v_key VARCHAR(66), v_hash VARCHAR)
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RETURNS boolean AS $$
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SELECT state_cids.removed = true
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FROM eth.state_cids
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INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.block_hash)
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WHERE state_leaf_key = v_key
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AND state_cids.block_number <= (SELECT block_number
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FROM eth.header_cids
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WHERE block_hash = v_hash)
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ORDER BY state_cids.block_number DESC LIMIT 1;
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$$
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language sql;
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-- +goose StatementEnd
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-- +goose StatementBegin
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-- returns whether the state leaf key is vacated (previously existed but now is empty) at the provided block height
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CREATE OR REPLACE FUNCTION public.was_state_leaf_removed_by_number(v_key VARCHAR(66), v_block_no BIGINT)
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RETURNS BOOLEAN AS $$
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SELECT state_cids.removed = true
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FROM eth.state_cids
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INNER JOIN eth.header_cids ON (state_cids.header_id = header_cids.block_hash)
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WHERE state_leaf_key = v_key
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AND state_cids.block_number <= v_block_no
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ORDER BY state_cids.block_number DESC LIMIT 1;
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$$
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language sql;
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-- +goose StatementEnd
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-- +goose StatementBegin
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CREATE OR REPLACE FUNCTION canonical_header_hash(height BIGINT) RETURNS character varying AS
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$BODY$
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SELECT block_hash from eth.header_cids WHERE block_number = height AND canonical = true LIMIT 1;
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$BODY$
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LANGUAGE sql;
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-- +goose StatementEnd
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-- +goose Down
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DROP FUNCTION was_state_leaf_removed;
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DROP FUNCTION was_state_leaf_removed_by_number;
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DROP FUNCTION canonical_header_hash;
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