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127 lines
3.2 KiB
R
127 lines
3.2 KiB
R
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# install.packages("rbch")
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# install.packages("data.table")
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# install.packages("future.apply")
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# install.packages("stringr")
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library(rbch)
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library(data.table)
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library(future.apply)
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library(stringr)
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bitcoin.conf.file <- ""
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# Input filepath for your bitcoin.conf file
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data.dir <- ""
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# Input data directory here, with trailing "/"
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bch.config <- rbch::conrpc(bitcoin.conf.file)
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con <- DBI::dbConnect(RSQLite::SQLite(), paste0(data.dir, "tx-graph-node-indices.db"))
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# first.fusion.height <- 646085
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# current.block.height <- rbch::getblockchaininfo(bch.config)@result$blocks
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tx.graph.files <- list.files(data.dir)
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tx.graph.files <- tx.graph.files[grepl("^tx_graph.+rds$", tx.graph.files)]
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first.fusion.height <- min(as.numeric(unlist(stringr::str_extract_all(tx.graph.files, "[0-9]+"))))
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current.block.height <- max(as.numeric(unlist(stringr::str_extract_all(tx.graph.files, "[0-9]+"))))
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heights.to.process <- first.fusion.height:current.block.height
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heights.to.process <- split(heights.to.process,
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cut(heights.to.process, ceiling(length(heights.to.process)/50)))
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future::plan(future::multiprocess())
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coinbases <- list()
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for (height.set in heights.to.process) {
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extracted.txs <- future.apply::future_lapply(height.set, function(iter.block.height) {
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if (iter.block.height %% 1000 == 0) {
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cat(iter.block.height, base::date(), "\n")
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}
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block.hash <- rbch::getblockhash(bch.config, iter.block.height)
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block.data <- rbch::getblock(bch.config, blockhash = block.hash@result, verbosity = "l2")
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# Argument verbose = 2 gives full transaction data
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# For some reason it doesn't give the fee:
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# https://docs.bitcoincashnode.org/doc/json-rpc/getrawtransaction.html
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raw.txs.ls <- block.data@result$tx
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coinbase.tx <- raw.txs.ls[[1]]
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value <- vector("numeric", length(coinbase.tx$vout) )
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for (j in seq_along(coinbase.tx$vout)) {
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value[j] <- coinbase.tx$vout[[j]]$value
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}
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outgoing <- data.table(txid = coinbase.tx$txid,
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position = seq_along(coinbase.tx$vout), value = value, stringsAsFactors = FALSE)
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list(outgoing)
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})
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print(object.size(extracted.txs), units = "Mb")
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extracted.txs <- unlist(extracted.txs, recursive = FALSE)
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outgoing <- data.table::rbindlist(extracted.txs)
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coinbases[[length(coinbases) + 1]] <- outgoing
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rm(extracted.txs)
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rm(outgoing)
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}
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coinbases <- data.table::rbindlist(coinbases)
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nrow(coinbases)
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coinbases$txid_position <- paste0(coinbases$txid, "-",
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formatC(coinbases$position, width = 4, format = "f", flag = "0", digits = 0))
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DBI::dbWriteTable(con, "coinbases", coinbases, overwrite = TRUE)
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DBI::dbWriteTable(con, "coinbases_intermediate_1",
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data.frame(txid_position = character(0), stringsAsFactors = FALSE),
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overwrite = TRUE)
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base::date()
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DBI::dbExecute(con, "INSERT INTO coinbases_intermediate_1 SELECT
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txid_position FROM
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coinbases EXCEPT
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SELECT origin FROM edgelist")
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base::date()
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unspent.coinbases <- DBI::dbGetQuery(con,
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'SELECT * FROM coinbases_intermediate_1')
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unspent.coinbases <- merge(unspent.coinbases, coinbases)
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saveRDS(unspent.coinbases,
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file = paste0(data.dir, "unspent_coinbases.rds"),
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compress = FALSE)
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