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31 lines
928 B
R
31 lines
928 B
R
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if (!require(RSQLite)) { install.packages("RSQLite") }
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if (!require(data.table)) { install.packages("data.table") }
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if (!require(RJSONIO)) { install.packages("RJSONIO") }
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if (!require(RCurl)) { install.packages("RCurl") }
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con <- DBI::dbConnect(RSQLite::SQLite(), "xmr-mempool-archive.db")
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DBI::dbExecute(con, "PRAGMA journal_mode=WAL;")
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# export-csv.R can read while collect-archive.R writes
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# https://stackoverflow.com/questions/15143871/simplest-way-to-retry-sqlite-query-if-db-is-locked
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DBI::dbExecute(con, "CREATE TABLE txs (
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id_hash TEXT,
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fee TEXT,
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weight TEXT,
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receive_time TEXT,
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unique(id_hash)
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)")
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# unique(id_hash) prevents the same txs being inserted more than once
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DBI::dbExecute(con, "CREATE TABLE blocks (
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block_hash TEXT,
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prev_block_hash TEXT,
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block_height TEXT,
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block_timestamp TEXT,
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block_receive_time TEXT,
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unique(block_hash)
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)")
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# unique(block_hash) prevents the same blocks being inserted more than once
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