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use crate::chopper::chopper::SplitHeaderSink;
use crate::chopper::header_graph::{ChainId, NumOfHeaderToProcess};

pub struct Split {
    chain_ids: Vec<ChainId>,
}

impl Split {
    pub fn new(chain_ids: Vec<ChainId>) -> Box<dyn SplitHeaderSink> {
        let split = Split { chain_ids };
        Box::new(split) as Box<dyn SplitHeaderSink>
    }
}

impl SplitHeaderSink for Split {
    fn chain_ids(&mut self) -> &mut Vec<usize> {
        &mut self.chain_ids
    }

    fn num_of_header_to_process(&self) -> NumOfHeaderToProcess {
        NumOfHeaderToProcess {
            counter: self.chain_ids.len(),
        }
    }
}