zinc-wallet-cli 0.4.0

Agent-first Bitcoin + Ordinals CLI wallet with account-based taproot ordinals + native segwit payment addresses (optional human mode)
use ratatui::layout::{Constraint, Direction, Layout, Rect};

pub fn format_sats(value: u64) -> String {
    let digits = value.to_string();
    let mut grouped = String::with_capacity(digits.len() + digits.len() / 3);
    for (i, ch) in digits.chars().rev().enumerate() {
        if i > 0 && i % 3 == 0 {
            grouped.push(',');
        }
        grouped.push(ch);
    }
    grouped.chars().rev().collect()
}

pub fn centered_rect(percent_x: u16, percent_y: u16, r: Rect) -> Rect {
    let popup_layout = Layout::default()
        .direction(Direction::Vertical)
        .constraints([
            Constraint::Percentage((100 - percent_y) / 2),
            Constraint::Percentage(percent_y),
            Constraint::Percentage((100 - percent_y) / 2),
        ])
        .split(r);

    Layout::default()
        .direction(Direction::Horizontal)
        .constraints([
            Constraint::Percentage((100 - percent_x) / 2),
            Constraint::Percentage(percent_x),
            Constraint::Percentage((100 - percent_x) / 2),
        ])
        .split(popup_layout[1])[1]
}