minotari_node 5.4.0-pre.2

The tari full base node implementation
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//  Copyright 2022, The Tari Project
//
//  Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
//  following conditions are met:
//
//  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
//  disclaimer.
//
//  2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
//  following disclaimer in the documentation and/or other materials provided with the distribution.
//
//  3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
//  products derived from this software without specific prior written permission.
//
//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
//  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
//  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
//  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
//  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
//  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
//  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

use anyhow::{Error, anyhow};
use async_trait::async_trait;
use clap::Parser;
use tari_common_types::types::{CompressedPublicKey, CompressedSignature, PrivateKey};
use tari_utilities::hex::Hex;

use super::{CommandContext, HandleCommand};
use crate::commands::parser::FromHex;

/// This will search the main chain for the kernel.
/// If the kernel is found, it will print out the
/// block it was found in.
/// This searches for the kernel via the
/// excess signature
#[derive(Debug, Parser)]
pub struct Args {
    /// hex of nonce
    public_nonce: FromHex<CompressedPublicKey>,
    /// hex of signature
    signature: FromHex<PrivateKey>,
}

#[async_trait]
impl HandleCommand<Args> for CommandContext {
    async fn handle_command(&mut self, args: Args) -> Result<(), Error> {
        let kernel_sig = CompressedSignature::new(args.public_nonce.0, args.signature.0);
        self.search_kernel(kernel_sig).await
    }
}

impl CommandContext {
    /// Function to process the search kernel command
    pub async fn search_kernel(&mut self, excess_sig: CompressedSignature) -> Result<(), Error> {
        let hex_sig = excess_sig.get_signature().to_hex();
        let v = self
            .node_service
            .get_blocks_with_kernels(vec![excess_sig])
            .await?
            .pop()
            .ok_or_else(|| anyhow!("No kernel with signature {} found", hex_sig))?;
        println!("{v}");
        Ok(())
    }
}