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Add key images to txpool data collection

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Useful for retrospectively analyzing intentional or unintentional
double-spend attempts
This commit is contained in:
Rucknium 2024-11-18 15:03:01 +00:00
parent d9e9f2da24
commit 840e915e8f
3 changed files with 20 additions and 7 deletions
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23
R/txpool.R
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@ -1,8 +1,6 @@
#' Initialize txpool archive database #' Initialize txpool archive database
#' #'
#' @description Initializes a database file to record the arrival time of #' @description Initializes a database file to record the arrival time of
@ -29,6 +27,7 @@ txpool.init <- function(db.file = "xmr-txpool-archive.db") {
} }
con <- DBI::dbConnect(RSQLite::SQLite(), db.file) con <- DBI::dbConnect(RSQLite::SQLite(), db.file)
on.exit(DBI::dbDisconnect(con))
DBI::dbExecute(con, "PRAGMA journal_mode=WAL;") DBI::dbExecute(con, "PRAGMA journal_mode=WAL;")
# txpool.export() can read while txpool.collect() writes # txpool.export() can read while txpool.collect() writes
# https://stackoverflow.com/questions/15143871/simplest-way-to-retry-sqlite-query-if-db-is-locked # https://stackoverflow.com/questions/15143871/simplest-way-to-retry-sqlite-query-if-db-is-locked
@ -39,6 +38,7 @@ id_hash TEXT,
fee TEXT, fee TEXT,
weight TEXT, weight TEXT,
receive_time TEXT, receive_time TEXT,
key_images TEXT,
unique(id_hash) unique(id_hash)
)") )")
# unique(id_hash) prevents the same txs being inserted more than once # unique(id_hash) prevents the same txs being inserted more than once
@ -182,7 +182,13 @@ txpool.collect <- function(db.file = "xmr-txpool-archive.db",
# txpool.export() can read while txpool.collect() writes # txpool.export() can read while txpool.collect() writes
# https://stackoverflow.com/questions/15143871/simplest-way-to-retry-sqlite-query-if-db-is-locked # https://stackoverflow.com/questions/15143871/simplest-way-to-retry-sqlite-query-if-db-is-locked
on.exit(message(paste0("txpool data collection stopped at ", base::date()))) try(DBI::dbExecute(con, "ALTER TABLE txs ADD COLUMN key_images TEXT"), silent = TRUE)
# This is in case there is an older version of the database without key_images
on.exit({
DBI::dbDisconnect(con)
message(paste0("txpool data collection stopped at ", base::date()))
})
while (TRUE) { while (TRUE) {
@ -200,17 +206,23 @@ txpool.collect <- function(db.file = "xmr-txpool-archive.db",
txs <- vector(mode = "list", length = length(tx.pool)) txs <- vector(mode = "list", length = length(tx.pool))
for (i in seq_along(tx.pool)) { for (i in seq_along(tx.pool)) {
tx_json <- RJSONIO::fromJSON(tx.pool[[i]]$tx_json)
key.images <- sapply(tx_json$vin, FUN = function(x) {x$key$k_image})
key.images <- paste0(key.images, collapse = ";")
txs[[i]] <- data.table::data.table( txs[[i]] <- data.table::data.table(
id_hash = tx.pool[[i]]$id_hash, id_hash = tx.pool[[i]]$id_hash,
fee = tx.pool[[i]]$fee, fee = tx.pool[[i]]$fee,
weight = tx.pool[[i]]$weight, weight = tx.pool[[i]]$weight,
receive_time = tx.pool[[i]]$receive_time) receive_time = tx.pool[[i]]$receive_time,
key_images = key.images)
} }
txs <- data.table::rbindlist(txs) txs <- data.table::rbindlist(txs)
tx.statement <- DBI::dbSendQuery(con, tx.statement <- DBI::dbSendQuery(con,
"INSERT OR IGNORE INTO txs VALUES (:id_hash,:fee,:weight,:receive_time)") "INSERT OR IGNORE INTO txs VALUES (:id_hash,:fee,:weight,:receive_time,:key_images)")
# "IGNORE" prevents the same txs from being inserted more than once # "IGNORE" prevents the same txs from being inserted more than once
DBI::dbBind(tx.statement, params = txs) DBI::dbBind(tx.statement, params = txs)
DBI::dbClearResult(tx.statement) DBI::dbClearResult(tx.statement)
@ -287,6 +299,7 @@ txpool.export <- function(db.file = "xmr-txpool-archive.db", csv.filepath = "",
end.date.filename <- ifelse(end.date == "2035-01-01", "", paste0("end-" , end.date, "-")) end.date.filename <- ifelse(end.date == "2035-01-01", "", paste0("end-" , end.date, "-"))
con <- DBI::dbConnect(RSQLite::SQLite(), db.file) con <- DBI::dbConnect(RSQLite::SQLite(), db.file)
on.exit(DBI::dbDisconnect(con))
DBI::dbExecute(con, "PRAGMA journal_mode=WAL;") DBI::dbExecute(con, "PRAGMA journal_mode=WAL;")
# txpool.export() can read while txpool.collect() writes # txpool.export() can read while txpool.collect() writes
# https://stackoverflow.com/questions/15143871/simplest-way-to-retry-sqlite-query-if-db-is-locked # https://stackoverflow.com/questions/15143871/simplest-way-to-retry-sqlite-query-if-db-is-locked