Auto merge of #4545 - str4d:metrics-ibd-progress-bar, r=str4d
metrics: Add a progress bar when in Initial Block Download mode The progress bar shows both headers (in green) and blocks (in white / inverse of background colour). It is only printed for TTY output. Additionally, the "not mining" message is no longer shown on mainnet, as the built-in CPU miner is not effective at the current network difficulty.
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commit
7275bc7f3f
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@ -14,6 +14,7 @@
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#include "utilmoneystr.h"
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#include "utilstrencodings.h"
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#include <boost/range/irange.hpp>
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#include <boost/thread.hpp>
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#include <boost/thread/synchronized_value.hpp>
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#include <string>
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@ -265,7 +266,7 @@ boost::optional<int64_t> SecondsLeftToNextEpoch(const Consensus::Params& params,
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}
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}
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int printStats(bool mining)
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int printStats(bool isScreen, bool mining)
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{
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// Number of lines that are always displayed
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int lines = 5;
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@ -287,22 +288,43 @@ int printStats(bool mining)
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auto localsolps = GetLocalSolPS();
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if (IsInitialBlockDownload(Params())) {
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if (fReindex) {
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int downloadPercent = nSizeReindexed * 100 / nFullSizeToReindex;
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std::cout << " " << _("Reindexing blocks") << " | " << DisplaySize(nSizeReindexed) << " / " << DisplaySize(nFullSizeToReindex) << " (" << downloadPercent << "%, " << height << " " << _("blocks") << ")" << std::endl;
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} else {
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int nHeaders = currentHeadersHeight;
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if (nHeaders < 0)
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nHeaders = 0;
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int netheight = currentHeadersHeight == -1 || currentHeadersTime == 0 ?
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0 : EstimateNetHeight(params, currentHeadersHeight, currentHeadersTime);
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if (netheight < nHeaders)
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netheight = nHeaders;
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if (netheight <= 0)
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netheight = 1;
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int downloadPercent = height * 100 / netheight;
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std::cout << " " << _("Downloading blocks") << " | " << height << " (" << nHeaders << " " << _("headers") << ") / ~" << netheight << " (" << downloadPercent << "%)" << std::endl;
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}
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if (fReindex) {
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int downloadPercent = nSizeReindexed * 100 / nFullSizeToReindex;
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std::cout << " " << _("Reindexing blocks") << " | " << DisplaySize(nSizeReindexed) << " / " << DisplaySize(nFullSizeToReindex) << " (" << downloadPercent << "%, " << height << " " << _("blocks") << ")" << std::endl;
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} else {
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int nHeaders = currentHeadersHeight;
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if (nHeaders < 0)
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nHeaders = 0;
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int netheight = currentHeadersHeight == -1 || currentHeadersTime == 0 ?
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0 : EstimateNetHeight(params, currentHeadersHeight, currentHeadersTime);
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if (netheight < nHeaders)
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netheight = nHeaders;
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if (netheight <= 0)
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netheight = 1;
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int downloadPercent = height * 100 / netheight;
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std::cout << " " << _("Downloading blocks") << " | " << height << " (" << nHeaders << " " << _("headers") << ") / ~" << netheight << " (" << downloadPercent << "%)" << std::endl;
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if (isScreen) {
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// Draw 50-character progress bar, which will fit into a 79-character line.
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int blockChars = downloadPercent / 2;
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int headerChars = (nHeaders * 50) / netheight;
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// Start with background colour reversed for "full" bar.
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std::cout << " | [[7m";
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for (auto i : boost::irange(0, 50)) {
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if (i == headerChars) {
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// Switch to normal background colour for "empty" bar.
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std::cout << "[0m";
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} else if (i == blockChars) {
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// Switch to distinct colour for "headers" bar.
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std::cout << "[0;43m";
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}
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std::cout << " ";
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}
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// Ensure that colour is reset after the progress bar is printed.
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std::cout << "[0m]" << std::endl;
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lines++;
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}
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}
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} else {
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std::cout << " " << _("Block height") << " | " << height << std::endl;
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}
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@ -356,7 +378,7 @@ int printMiningStatus(bool mining)
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}
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}
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lines++;
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} else {
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} else if (Params().NetworkIDString() != "main") {
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std::cout << _("You are currently not mining.") << std::endl;
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std::cout << _("To enable mining, add 'gen=1' to your zcash.conf and restart.") << std::endl;
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lines += 2;
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@ -584,7 +606,7 @@ void ThreadShowMetricsScreen()
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#endif
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if (loaded) {
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lines += printStats(mining);
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lines += printStats(isScreen, mining);
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lines += printMiningStatus(mining);
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}
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lines += printMetrics(cols, mining);
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