lib-compression 0.1.0

Universal lossless compression via network-wide deduplication
Documentation 
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//! ZKC Compressor

use crate::shard::Shard;
use serde::{Deserialize, Serialize};

/// Compressed shard with ZKC encoding.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct CompressedShard {
    pub shard_id: [u8; 32],
    pub data: Vec<u8>,
    pub stats: CompressionStats,
}

/// Compression statistics.
#[derive(Debug, Clone, Serialize, Deserialize, Default)]
pub struct CompressionStats {
    pub original_size: usize,
    pub compressed_size: usize,
    pub patterns_found: usize,
    pub patterns_applied: usize,
}

/// Zero-knowledge compression encoder.
pub struct ZkcCompressor;

impl ZkcCompressor {
    pub fn new() -> Self {
        ZkcCompressor
    }

    /// Compress a shard.
    pub fn compress(&self, shard: &Shard) -> crate::Result<CompressedShard> {
        // Stub: passthrough
        Ok(CompressedShard {
            shard_id: shard.id,
            data: shard.data.clone(),
            stats: CompressionStats {
                original_size: shard.data.len(),
                compressed_size: shard.data.len(),
                ..Default::default()
            },
        })
    }
}

impl Default for ZkcCompressor {
    fn default() -> Self {
        Self::new()
    }
}