c00b8a5a98
* Add LogFilter struct * Add log_filters table * Add view for events watching * Add cmd line "add_filter" to mimic eventual endpoint * Allow multiple filters in config
29 lines
944 B
SQL
29 lines
944 B
SQL
CREATE VIEW block_stats AS
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SELECT
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max(block_number) AS max_block,
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min(block_number) AS min_block
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FROM logs;
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CREATE VIEW watched_event_logs AS
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SELECT
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log_filters.name,
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logs.id,
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block_number,
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logs.address,
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tx_hash,
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index,
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logs.topic0,
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logs.topic1,
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logs.topic2,
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logs.topic3,
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data,
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receipt_id
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FROM log_filters
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CROSS JOIN block_stats
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JOIN logs ON logs.address = log_filters.address
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AND logs.block_number >= coalesce(log_filters.from_block, block_stats.min_block)
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AND logs.block_number <= coalesce(log_filters.to_block, block_stats.max_block)
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WHERE (log_filters.topic0 = logs.topic0 OR log_filters.topic0 ISNULL)
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AND (log_filters.topic1 = logs.topic1 OR log_filters.topic1 ISNULL)
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AND (log_filters.topic2 = logs.topic2 OR log_filters.topic2 ISNULL)
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AND (log_filters.topic3 = logs.topic3 OR log_filters.topic3 ISNULL); |