rusty-blockparser 0.8.1

Blockchain Parser for most common Cryptocurrencies based on Bitcoin
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use clap::{App, ArgMatches};

use crate::blockchain::parser::types::CoinType;
use crate::blockchain::proto::block::Block;
use crate::errors::OpResult;

pub mod balances;
mod common;
pub mod csvdump;
pub mod stats;
pub mod unspentcsvdump;

/// Implement this trait for a custom Callback.
/// The parser ensures that the blocks arrive in the correct order.
/// At this stage the main chain is already determined and orphans/stales are removed.
/// Note: These callbacks are only triggered with ParseMode::FullData.
/// (The first run to determine longest chain is running in ParseMode::Indexing)
pub trait Callback {
    /// Builds SubCommand to specify callback name and required args,
    /// exits if some required args are missing.
    fn build_subcommand<'a, 'b>() -> App<'a, 'b>
    where
        Self: Sized;

    /// Instantiates callback
    fn new(matches: &ArgMatches) -> OpResult<Self>
    where
        Self: Sized;

    /// Gets called shortly before the blocks are parsed.
    fn on_start(&mut self, coin_type: &CoinType, block_height: u64) -> OpResult<()>;

    /// Gets called if a new block is available.
    fn on_block(&mut self, block: &Block, block_height: u64) -> OpResult<()>;

    /// Gets called if the parser has finished and all blocks are handled
    fn on_complete(&mut self, block_height: u64) -> OpResult<()>;
}