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Mempool tab: Space optimization, element unification. #14

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Merged
janb84 merged 1 commit into from
Mar 11, 2026
Merged

Mempool tab: Space optimization, element unification. #14

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2 changes: 1 addition & 1 deletion src/main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1138,7 +1138,7 @@ static int run(int argc, char* argv[]) {
color(Color::Yellow)})
: (tab_index == 1)
? hbox({refresh_indicator,
text(" [↓] select block [Tab/←/→] switch [/] search [q] quit ") |
text(" [↓] select [Tab/←/→] switch [/] search [q] quit ") |
color(Color::GrayDark)})
: (tab_index == 3 && peer_selected >= 0)
? hbox({refresh_indicator, text(" [\u2191/\u2193] navigate [\u23ce] details [a] "
Expand Down
73 changes: 28 additions & 45 deletions src/render.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
#include <iomanip>
#include <limits>
#include <sstream>
#include <string>

#include <ftxui/dom/elements.hpp>
#include <ftxui/screen/color.hpp>
Expand Down Expand Up @@ -36,6 +37,31 @@ Element label_value(const std::string& lbl, const std::string& val, Color val_co
});
}

static Element mempool_stats_box(const AppState& s) {
double usage_frac = s.mempool_max > 0 ? static_cast<double>(s.mempool_usage) /
static_cast<double>(s.mempool_max)
: 0.0;
Color usage_color = usage_frac > 0.8 ? Color::Red
: usage_frac > 0.5 ? Color::Yellow
: Color::Cyan;
return section_box(
"Mempool",
{
label_value(" Transactions : ", fmt_int(s.mempool_tx)),
label_value(" Virtual size : ", fmt_bytes(s.mempool_bytes)),
label_value(" Total fees : ", fmt_btc(s.total_fee)),
label_value(" Min relay fee : ", fmt_satsvb(s.mempool_min_fee)),
hbox({
text(" Memory usage : ") | color(Color::GrayDark),
text(fmt_bytes(s.mempool_usage) + " / " + fmt_bytes(s.mempool_max)) | bold,
text(" "),
gauge(static_cast<float>(usage_frac)) | flex | color(usage_color),
text(" " + std::to_string(static_cast<int>(usage_frac * 100)) + "% ") | bold |
color(usage_color),
}),
});
}

// --- Dashboard --------------------------------------------------------------
Element render_dashboard(const AppState& s) {
// Chain section
Expand Down Expand Up @@ -74,24 +100,7 @@ Element render_dashboard(const AppState& s) {
label_value(" Relay fee : ", fmt_satsvb(s.relay_fee)),
});

// Mempool section
double usage_frac = s.mempool_max > 0 ? static_cast<double>(s.mempool_usage) /
static_cast<double>(s.mempool_max)
: 0.0;
auto mempool_section = section_box(
"Mempool",
{
label_value(" Transactions: ", fmt_int(s.mempool_tx)),
label_value(" Size : ", fmt_bytes(s.mempool_bytes)),
label_value(" Total fee : ", fmt_btc(s.total_fee, 4)),
label_value(" Min fee : ", fmt_satsvb(s.mempool_min_fee)),
hbox({
text(" Memory : ") | color(Color::GrayDark),
gauge(static_cast<float>(usage_frac)) | flex |
color(usage_frac > 0.8 ? Color::Red : Color::Cyan),
text(" " + fmt_bytes(s.mempool_usage) + " / " + fmt_bytes(s.mempool_max)) | bold,
}),
});
auto mempool_section = mempool_stats_box(s);

return vbox({
hbox({
Expand All @@ -105,33 +114,7 @@ Element render_dashboard(const AppState& s) {

// --- Mempool ----------------------------------------------------------------
Element render_mempool(const AppState& s, int mempool_sel) {
double usage_frac = s.mempool_max > 0 ? static_cast<double>(s.mempool_usage) /
static_cast<double>(s.mempool_max)
: 0.0;
Color usage_color = usage_frac > 0.8 ? Color::Red
: usage_frac > 0.5 ? Color::Yellow
: Color::Cyan;

auto stats_section = section_box(
"Mempool", {
label_value(" Transactions : ", fmt_int(s.mempool_tx)),
label_value(" Virtual size : ", fmt_bytes(s.mempool_bytes)),
label_value(" Total fees : ", fmt_btc(s.total_fee)),
label_value(" Min relay fee : ", fmt_satsvb(s.mempool_min_fee)),
separator(),
text(" Memory usage") | color(Color::GrayDark),
hbox({
text(" "),
gauge(static_cast<float>(usage_frac)) | flex | color(usage_color),
text(" "),
}),
hbox({
text(" Used : ") | color(Color::GrayDark),
text(fmt_bytes(s.mempool_usage)) | bold,
text(" / Max : ") | color(Color::GrayDark),
text(fmt_bytes(s.mempool_max)) | bold,
}),
});
auto stats_section = mempool_stats_box(s);

// Block visualization — vertical fill bars, one column per block.
Element blocks_section;
Expand Down
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