blvm-node 0.1.2

Bitcoin Commons BLVM: Minimal Bitcoin node implementation using blvm-protocol and blvm-consensus
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//! Bitcoin mainnet checkpoints for parallel header download.
//!

use blvm_protocol::GENESIS_BLOCK_HASH_INTERNAL;

/// Bitcoin mainnet checkpoints for parallel header download
///
/// These are well-known block hashes at specific heights that allow us to
/// parallelize header downloads. Each checkpoint is immutable (deep enough
/// to never be reorganized in practice).
///
/// Format: (height, hash in internal byte order)
pub(crate) const MAINNET_CHECKPOINTS: &[(u64, [u8; 32])] = &[
    // Genesis block
    (0, GENESIS_BLOCK_HASH_INTERNAL),
    // Block 11111
    (
        11111,
        [
            0x1d, 0x7c, 0x6e, 0xb2, 0xfd, 0x42, 0xf5, 0x9c, 0x2e, 0x09, 0xe5, 0xbc, 0x23, 0x36,
            0xad, 0x18, 0xa7, 0x07, 0x05, 0x7a, 0xaa, 0x4e, 0x78, 0x3d, 0x24, 0x44, 0xe2, 0x69,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 33333
    (
        33333,
        [
            0xa6, 0xd0, 0xb5, 0xdf, 0x7d, 0xd0, 0x0f, 0x90, 0x5b, 0x02, 0x4a, 0x81, 0xa8, 0x6e,
            0x1d, 0xd6, 0x26, 0x2c, 0xc2, 0xc1, 0x3e, 0xc9, 0xa3, 0x93, 0x8c, 0x55, 0xd2, 0x2d,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 74000
    (
        74000,
        [
            0x20, 0x1a, 0x66, 0xb8, 0x72, 0x37, 0x72, 0xd8, 0x24, 0x81, 0x0e, 0xa2, 0xf0, 0x02,
            0xb0, 0x54, 0x2b, 0xd2, 0xa2, 0xf4, 0xa8, 0x7e, 0xf0, 0x79, 0x1c, 0x47, 0x34, 0xce,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 105000
    (
        105000,
        [
            0x97, 0xdc, 0x6b, 0x15, 0xfb, 0xea, 0xa3, 0x20, 0xf8, 0x27, 0x80, 0x2c, 0xe2, 0xc1,
            0x8d, 0xcd, 0x34, 0xcd, 0x15, 0xd3, 0x04, 0xd7, 0x5f, 0xe2, 0x02, 0x91, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 134444
    (
        134444,
        [
            0xfe, 0xb0, 0xd2, 0x42, 0x0d, 0x4a, 0x18, 0x91, 0x4c, 0xc8, 0xa8, 0x30, 0xf4, 0x36,
            0x5d, 0xfd, 0x4f, 0x34, 0xcd, 0x15, 0xd3, 0x4f, 0x71, 0x0b, 0x5b, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 168000
    (
        168000,
        [
            0x63, 0xb7, 0x03, 0x83, 0xc1, 0x84, 0xa1, 0x91, 0x4c, 0xfb, 0x6e, 0x21, 0xf6, 0x32,
            0x79, 0x5e, 0x01, 0x87, 0x82, 0xa6, 0x82, 0x6d, 0xf6, 0x16, 0x72, 0x99, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 193000
    (
        193000,
        [
            0x17, 0x93, 0xb8, 0x83, 0x3c, 0xbd, 0xe3, 0xc6, 0xf6, 0x0f, 0x10, 0x87, 0x7c, 0x98,
            0xa7, 0x82, 0x66, 0x40, 0x7f, 0x34, 0x9d, 0x15, 0x59, 0x75, 0x4f, 0x05, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 210000 (first halving)
    (
        210000,
        [
            0x4e, 0x34, 0x17, 0xb1, 0xa9, 0xe8, 0x28, 0x57, 0x22, 0xb1, 0xf5, 0xaf, 0x8f, 0x55,
            0x0b, 0x20, 0x02, 0xfc, 0xf6, 0x36, 0x07, 0xc4, 0x33, 0x36, 0x8b, 0x04, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 250000
    (
        250000,
        [
            0x14, 0xd2, 0xf4, 0x94, 0x2e, 0x38, 0x0a, 0xa3, 0xc5, 0x35, 0x70, 0xa1, 0xf8, 0x0f,
            0xf4, 0x64, 0xcf, 0x6f, 0x19, 0xd8, 0xdb, 0x69, 0xf7, 0x86, 0x87, 0x03, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 295000
    (
        295000,
        [
            0x83, 0xa9, 0x32, 0x64, 0xc6, 0x70, 0x03, 0xa1, 0x35, 0xfa, 0x2a, 0x03, 0xb2, 0xe6,
            0x6f, 0x9d, 0xf6, 0x68, 0x73, 0x2f, 0xe6, 0x26, 0x55, 0x2e, 0xf5, 0xb4, 0x9d, 0x04,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 350000
    (
        350000,
        [
            0x63, 0x6b, 0x92, 0xa6, 0xc2, 0xc6, 0x2b, 0xe7, 0x55, 0x6f, 0x6e, 0x26, 0x74, 0xb4,
            0x1b, 0x0c, 0x8e, 0xb3, 0x00, 0x40, 0xf6, 0x4f, 0xcf, 0x53, 0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 400000
    (
        400000,
        [
            0x6f, 0x3f, 0x6e, 0x27, 0x24, 0x52, 0xff, 0x8f, 0x55, 0xb0, 0x5c, 0xd4, 0x2d, 0xed,
            0x1c, 0xf8, 0xfe, 0x32, 0x73, 0x4e, 0xc8, 0xa0, 0x6c, 0x04, 0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 450000
    (
        450000,
        [
            0x0b, 0xa2, 0x07, 0x0c, 0x62, 0xcd, 0x19, 0xa8, 0xef, 0x8c, 0xaf, 0x08, 0xfb, 0x75,
            0x0c, 0xc5, 0x51, 0xd6, 0x14, 0x83, 0x72, 0x07, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 500000
    (
        500000,
        [
            0x04, 0x5d, 0x94, 0x1a, 0x00, 0x20, 0xcb, 0x64, 0x37, 0x5f, 0x9c, 0xc7, 0x2a, 0x50,
            0x0e, 0x2a, 0x86, 0x81, 0xcf, 0x9b, 0x73, 0xc2, 0xc9, 0xc0, 0x75, 0xc4, 0xfb, 0x24,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 550000
    (
        550000,
        [
            0xc9, 0x6b, 0xec, 0x12, 0x41, 0xff, 0x53, 0x58, 0xcb, 0xba, 0x42, 0x89, 0x9f, 0x13,
            0xcf, 0x39, 0xa9, 0x7a, 0xb1, 0xfb, 0x0e, 0x75, 0x6c, 0xf7, 0x22, 0x23, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 600000
    (
        600000,
        [
            0x91, 0x5f, 0xcd, 0x06, 0x85, 0x69, 0xb7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x07, 0x16, 0x68, 0x85, 0x90, 0xe7, 0xf4, 0x9a, 0x13, 0xcf, 0x39, 0xa9,
            0x7a, 0xb1, 0xfb, 0x0e,
        ],
    ),
    // Block 650000
    (
        650000,
        [
            0x5a, 0x6a, 0xef, 0xc1, 0x56, 0x26, 0xfd, 0xde, 0x2a, 0x6c, 0x9c, 0x3b, 0xc4, 0x2a,
            0xbd, 0x93, 0xd2, 0x16, 0x52, 0xb9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 700000
    (
        700000,
        [
            0x59, 0xa9, 0x0c, 0x77, 0xa1, 0xf8, 0x5e, 0xa1, 0x3a, 0xfc, 0x90, 0x05, 0x2a, 0xf5,
            0x08, 0x0b, 0x37, 0xa2, 0x65, 0x27, 0x0a, 0x56, 0xb1, 0x7a, 0x90, 0xfc, 0x59, 0x00,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 750000
    (
        750000,
        [
            0xbd, 0xca, 0x93, 0xdb, 0xa0, 0x04, 0x4a, 0x72, 0xd8, 0x72, 0x28, 0x7a, 0xb1, 0x56,
            0x70, 0x9a, 0x16, 0x5a, 0x27, 0x0a, 0x56, 0xb1, 0x7a, 0x90, 0xfc, 0xc7, 0x09, 0x00,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 800000
    (
        800000,
        [
            0x54, 0xa0, 0x28, 0x72, 0xd7, 0x34, 0x15, 0x40, 0xfb, 0x1a, 0x7a, 0x8d, 0xb7, 0x56,
            0xa2, 0x70, 0x65, 0x91, 0x02, 0xa7, 0xc4, 0xe4, 0x1e, 0xd8, 0x76, 0x4d, 0x48, 0xc2,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
    // Block 850000
    (
        850000,
        [
            0xa1, 0x55, 0x0f, 0x8f, 0x8d, 0x1e, 0x0f, 0xd2, 0x42, 0xb0, 0x0d, 0xa8, 0x1a, 0x18,
            0x4a, 0x91, 0x7c, 0x13, 0xda, 0x1e, 0x76, 0xca, 0xf1, 0xe2, 0xa9, 0x89, 0x13, 0x00,
            0x00, 0x00, 0x00, 0x00,
        ],
    ),
];

/// Get the applicable checkpoints for a given height range
pub(crate) fn get_checkpoints_in_range(start: u64, end: u64) -> Vec<(u64, [u8; 32])> {
    MAINNET_CHECKPOINTS
        .iter()
        .filter(|(h, _)| *h >= start && *h <= end)
        .cloned()
        .collect()
}