mirror of
https://github.com/Rucknium/misc-research.git
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190 lines
7.5 KiB
R
190 lines
7.5 KiB
R
library(ggplot2)
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library(data.table)
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library(Cairo)
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library(fixest)
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xmr.blockchain <- readRDS("")
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block.template.update.adjustment <- xmr.blockchain[,
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mean(diff(sort(unique(canon.receive_time))), na.rm = TRUE)]
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p2pool.confirm.delay <- xmr.blockchain[Pool == "P2Pool",
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.(block.template.update =
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min(canon.block_receive_time - canon.receive_time -
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block.template.update.adjustment, na.rm = TRUE) ),
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by = c("block_height")]$block.template.update
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# Removes transactions with no canon.receive_time. The nodes did not see
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# those transactions before they appeared in a received block
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# WARNING: Produces Infs when block has no transactions
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mean.p2pool.confirm.delay <- mean(p2pool.confirm.delay[is.finite(p2pool.confirm.delay)])
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receive_time.unique <- sort(unique(xmr.blockchain$canon.receive_time))
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receive_time.unique <- receive_time.unique[is.finite(receive_time.unique)]
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block_receive_time.unique <- sort(unique(xmr.blockchain$canon.block_receive_time))
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block_receive_time.unique <- block_receive_time.unique[is.finite(block_receive_time.unique)]
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p2pool.sim.confirm <- vector("list", length(block_receive_time.unique) - 1)
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for (i in seq_along(p2pool.sim.confirm)) {
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receive_time.confirm = receive_time.unique[
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(receive_time.unique + 1 + mean.p2pool.confirm.delay) %between%
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c(block_receive_time.unique[i] - 1, block_receive_time.unique[i + 1])
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]
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if (length(receive_time.confirm) > 0) {
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p2pool.sim.confirm[[i]] <- data.table(
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p2pool.sim.confirm.time = block_receive_time.unique[i + 1],
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canon.receive_time = receive_time.confirm
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)
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} else {
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p2pool.sim.confirm[[i]] <- data.table(
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p2pool.sim.confirm.time = integer(0),
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canon.receive_time = integer(0)
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)
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}
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}
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p2pool.sim.confirm <- data.table::rbindlist(p2pool.sim.confirm)
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xmr.blockchain <- merge(xmr.blockchain, p2pool.sim.confirm, by = "canon.receive_time", all.x = TRUE)
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xmr.blockchain[, mean(canon.block_receive_time - p2pool.sim.confirm.time, na.rm = TRUE)]
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block.reward <- unique(xmr.blockchain[, .(block_height, block_reward, Pool, is_p2pool)])
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block.reward[, mean(block_reward, na.rm = TRUE) / 1e12, by = "Pool"]
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block.reward[, mean(block_reward, na.rm = TRUE) / 1e12, by = "is_p2pool"]
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block.reward[, (mean(block_reward[is_p2pool], na.rm = TRUE) -
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mean(block_reward[!is_p2pool], na.rm = TRUE) )/ 1e12]
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block.reward[, Pool := relevel(factor(Pool), "other")]
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summary(feols(I(block_reward/1e12) ~ Pool, data = block.reward), vcov = "hetero")
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# Check statistical significance
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block.num.txs <- unique(xmr.blockchain[, .(block_num_txes, Pool, is_p2pool)])
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block.num.txs[, mean(block_num_txes, na.rm = TRUE), by = "Pool"]
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block.num.txs[, mean(block_num_txes, na.rm = TRUE), by = "is_p2pool"]
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block.num.txs[, (mean(block_num_txes[is_p2pool], na.rm = TRUE) -
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mean(block_num_txes[!is_p2pool], na.rm = TRUE) )]
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block.num.txs[, Pool := relevel(factor(Pool), "other")]
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summary(feols(block_num_txes ~ Pool, data = block.num.txs), vcov = "hetero")
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# Check statistical significance
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block.template.update.adjustment <- xmr.blockchain[,
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mean(diff(sort(unique(canon.receive_time))))]
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print(block.template.update.adjustment)
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xmr.tx.eligiibility <- xmr.blockchain[,
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.(block.template.update =
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min(canon.block_receive_time - canon.receive_time -
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block.template.update.adjustment, na.rm = TRUE) / 60),
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by = c("block_height", "Pool")]
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# Removes transactions with no canon.receive_time. The nodes did not see
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# those transactions before they appeared in a received block
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# WARNING: Produces Infs when block has no transactions
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xmr.tx.eligiibility <- xmr.tx.eligiibility[is.finite(block.template.update), ]
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xmr.tx.eligiibility[block.template.update < 0, block.template.update := 0]
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sum.stats <- function(x) {
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r <- quantile(x, probs = c(0.05, 0.25, 0.5, 0.75, 0.95))
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names(r) <- c("ymin", "lower", "middle", "upper", "ymax")
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r
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}
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# https://stackoverflow.com/questions/21915286/r-ggplot2-geom-boxplot-with-custom-quantiles
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png("Monero-TX-Confirm-Delay/images/pool-comparison-tx-eligibility-boxplot.png", width = 800, height = 400)
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ggplot(xmr.tx.eligiibility, aes(y = Pool, x = block.template.update)) +
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stat_summary(fun.data = sum.stats, geom = "boxplot", position = "dodge", width = 0.75,
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fill = "#FF6600") +
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ggtitle("Boxplots of Time Between Transactions Entering the Mempool and\nBecoming Candidates for Blockchain Confirmation, by Mining Pool") +
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xlab(" Minutes github.com/Rucknium") +
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stat_summary(fun = mean, geom = "point", shape = 18, size = 3, color = "blue") +
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scale_x_continuous(breaks = 0:10, expand = expansion(mult = c(0, 0.05))) +
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expand_limits(x = 0) +
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theme(axis.ticks.y = element_blank(), plot.title = element_text(size = 20),
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axis.text = element_text(size = 15), axis.title.x = element_text(size = 15),
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axis.title.y = element_blank())
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dev.off()
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png("Monero-TX-Confirm-Delay/images/pool-comparison-tx-eligibility-barchart.png", width = 800, height = 400)
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ggplot(xmr.tx.eligiibility, aes(y = Pool, x = block.template.update)) +
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ggtitle("Average Time Between Transactions Entering the Mempool and\nBecoming Candidates for Blockchain Confirmation, by Mining Pool") +
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xlab(" Minutes github.com/Rucknium") +
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stat_summary(fun = mean, geom = "bar", col = "black", fill = "#FF6600", width = 0.75) +
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scale_x_continuous(breaks = 0:10, expand = expansion(mult = c(0, 0.05))) +
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expand_limits(x = 0) +
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theme(axis.ticks.y = element_blank(), plot.title = element_text(size = 20),
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axis.text = element_text(size = 15), axis.title.x = element_text(size = 15),
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axis.title.y = element_blank())
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dev.off()
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prev.block.time <- unique(xmr.blockchain[, .(block_height, canon.block_receive_time)])
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setorder(prev.block.time, block_height)
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prev.block.time[, canon.prev.block_receive_time := shift(canon.block_receive_time, type = "lag")]
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xmr.blockchain <- merge(xmr.blockchain,
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prev.block.time[, .(block_height, canon.prev.block_receive_time)], by = "block_height")
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prev.block.summary <- xmr.blockchain[,
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.(elapsed = (max(canon.receive_time, na.rm = TRUE) - unique(canon.prev.block_receive_time)) / 60),
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by = c("block_height", "Pool")]
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# max() will produce -Inf if there are no txs in the block
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prev.block.summary[! is.finite(elapsed), elapsed := 0]
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# elapsed will be NA if the block contains no transactions. Therefore,
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# the amount of time that has elapsed between last block and this block's
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# block template is assumed to be zero.
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line.frame <- seq(0, 10, by = 0.01)
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png("Monero-TX-Confirm-Delay/images/mining-pool-behavior-histogram.png", width = 800, height = 800)
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plot.xlim <- c(-1, 8.5)
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ggplot(prev.block.summary, aes(elapsed)) +
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geom_line(aes(x = x, y = y), data = data.frame(x = line.frame, y = dexp(line.frame, rate = 0.5))) +
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geom_histogram(aes(y = ..density..), bins = diff(plot.xlim) * 60, fill = "#FF6600FF") +
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ggtitle("Density Histogram of Age of Youngest Transaction in a Mined Block Minus\nAge of Previous Mined Block, by Mining Pool") +
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xlab(" Minutes github.com/Rucknium") +
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ylab ("Density") +
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facet_wrap(~ Pool, ncol = 3, scales = "free_y") +
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coord_cartesian(xlim = plot.xlim) +
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scale_x_continuous(breaks = -1:10) +
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theme(plot.title = element_text(size = 20),
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axis.text = element_text(size = 15), axis.title.x = element_text(size = 15),
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axis.title.y = element_text(size = 15), strip.text = element_text(size = 15))
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dev.off()
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