brk_parser 0.0.111

A very fast Bitcoin block parser and iterator built on top of bitcoin-rust
Documentation 
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use std::path::Path;

use bitcoincore_rpc::{Auth, Client};
use brk_error::Result;
use brk_parser::Parser;

#[allow(clippy::needless_doctest_main)]
fn main() -> Result<()> {
    let i = std::time::Instant::now();

    let bitcoin_dir = Path::new(&std::env::var("HOME").unwrap())
        .join("Library")
        .join("Application Support")
        .join("Bitcoin");

    let rpc = Box::leak(Box::new(Client::new(
        "http://localhost:8332",
        Auth::CookieFile(bitcoin_dir.join(".cookie")),
    )?));

    let parser = Parser::new(bitcoin_dir.join("blocks"), rpc);

    let start = None;
    // let start = Some(916037_u32.into());
    let end = None;
    parser.parse(start, end).iter().for_each(|block| {
        println!("{}: {}", block.height(), block.hash());
    });

    // let v = diff.iter().rev().take(10).collect::<Vec<_>>();

    // let block_0 = parser.get(Height::new(0))?;
    // dbg!("{}", block_0.coinbase_tag());

    // let block_158251 = parser.get(Height::new(158251))?;
    // dbg!("{}", block_158251.coinbase_tag());

    // let block_173195 = parser.get(Height::new(173195))?;
    // dbg!("{}", block_173195.coinbase_tag());

    // let block_840_000 = parser.get(Height::new(840_004))?;
    // dbg!("{}", block_840_000.coinbase_tag());

    dbg!(i.elapsed());

    Ok(())
}