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93 lines
2.5 KiB
R
93 lines
2.5 KiB
R
# install.packages("data.table")
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# install.packages("RSQLite")
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# install.packages("DBI")
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# install.packages("igraph")
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library(data.table)
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library(RSQLite)
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library(DBI)
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library(igraph)
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data.dir <- ""
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# Input data directory here, with trailing "/"
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fusions.df <- readRDS("https://github.com/Rucknium/CashFusionStats/raw/main/data/fusions_df.rds")
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# Get the list of transactions that are the fusion transactions
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con <- DBI::dbConnect(RSQLite::SQLite(), paste0(data.dir, "tx-graph-node-indices.db"))
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master.edgelist <- DBI::dbGetQuery(con,
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"SELECT origin_index, destination_index FROM edgelist_intermediate_2")
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master.edgelist <- as.matrix(master.edgelist)
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bch.graph <- igraph::graph_from_edgelist(master.edgelist)
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fusioned.nodes <- DBI::dbGetQuery(con, paste0('SELECT * FROM nodes WHERE node IN ("',
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paste0(fusions.df$txid, collapse = '", "'), '")'))
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fusioned.nodes <- base::intersect(unique(c(master.edgelist)), fusioned.nodes$node_index)
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utxo.set <- setdiff(master.edgelist[, 2], master.edgelist[, 1])
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fusioned.nodes <- sort(fusioned.nodes, decreasing = FALSE)
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fusioned.nodes.to.process <- split(fusioned.nodes,
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cut(fusioned.nodes, fusioned.nodes[seq(4, length(fusioned.nodes) - 4, by = 4)]))
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fusioned.nodes.to.process <- rev(fusioned.nodes.to.process)
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touched.UTXO <- c()
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counter.i <- 1
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rm(master.edgelist)
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gc()
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for ( i in fusioned.nodes.to.process[counter.i:length(fusioned.nodes.to.process)]) {
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to.set <- setdiff(utxo.set, touched.UTXO)
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if (counter.i %% 10 == 0 ) {
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save(i, counter.i, touched.UTXO,
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file = paste0(data.dir, "touched-UTXO-intermediate-",
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counter.i, ".Rdata"), compress = FALSE)
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}
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bch.paths <- distances(bch.graph,
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v = i,
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to = to.set, mode = "out")
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touched.UTXO <- c(touched.UTXO, to.set[colSums(is.finite(bch.paths)) > 0 ] )
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cat(base::date(), " | ",
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round(100 * length(touched.UTXO) / length(utxo.set), 3), "% | ",
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counter.i,
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" of ", length(fusioned.nodes.to.process), "\n")
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counter.i <- counter.i + 1
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}
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save(i, counter.i, touched.UTXO,
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file = paste0(data.dir, "touched-UTXO-intermediate-",
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"COMPLETE", ".Rdata"), compress = FALSE)
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# How to restart the analysis if interrupted:
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# Run this script up until the "gc()".
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# Note that you should be using the version of fusions_df.rds that you used
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# in the initial script run.
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# Find the most recent save state, i.e. highest value of
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# touched-UTXO-intermediate-xxxx.Rdata
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# Then load it:
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# load(paste0(data.dir, "touched-UTXO-intermediate-xxxx.Rdata"))
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# Then start the for loop
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