blvm_protocol/
genesis.rs

1//! Genesis Blocks
2//!
3//! Provides actual Bitcoin genesis blocks for mainnet, testnet, and regtest networks.
4
5use blvm_consensus::types::*;
6
7/// Create Bitcoin mainnet genesis block
8pub fn mainnet_genesis() -> Block {
9    // Bitcoin mainnet genesis block
10    // Hash: 0x000000000019d6689c085ae165831e934ff763ae46a2a6c172b3f1b60a8ce26f
11    // Merkle root must be in Bitcoin internal byte order (reversed from display)
12    Block {
13        header: BlockHeader {
14            version: 1,
15            prev_block_hash: [0u8; 32], // All zeros for genesis
16            merkle_root: [
17                0x3b, 0xa3, 0xed, 0xfd, 0x7a, 0x7b, 0x12, 0xb2, 0x7a, 0xc7, 0x2c, 0x3e, 0x67, 0x76,
18                0x8f, 0x61, 0x7f, 0xc8, 0x1b, 0xc3, 0x88, 0x8a, 0x51, 0x32, 0x3a, 0x9f, 0xb8, 0xaa,
19                0x4b, 0x1e, 0x5e, 0x4a,
20            ],
21            timestamp: 1231006505, // Jan 3, 2009
22            bits: 0x1d00ffff,
23            nonce: 2083236893,
24        },
25        transactions: vec![Transaction {
26            version: 1,
27            inputs: crate::tx_inputs![TransactionInput {
28                prevout: OutPoint {
29                    hash: [0u8; 32],
30                    index: 0xffffffff,
31                },
32                script_sig: vec![
33                    0x04, 0xff, 0xff, 0x00, 0x1d, 0x01, 0x04, 0x45, 0x54, 0x68, 0x65, 0x20, 0x54,
34                    0x69, 0x6d, 0x65, 0x73, 0x20, 0x30, 0x33, 0x2f, 0x4a, 0x61, 0x6e, 0x2f, 0x32,
35                    0x30, 0x30, 0x39, 0x20, 0x43, 0x68, 0x61, 0x6e, 0x63, 0x65, 0x6c, 0x6c, 0x6f,
36                    0x72, 0x20, 0x6f, 0x6e, 0x20, 0x62, 0x72, 0x69, 0x6e, 0x6b, 0x20, 0x6f, 0x66,
37                    0x20, 0x73, 0x65, 0x63, 0x6f, 0x6e, 0x64, 0x20, 0x62, 0x61, 0x69, 0x6c, 0x6f,
38                    0x75, 0x74, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x62, 0x61, 0x6e, 0x6b, 0x73,
39                ], // "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks"
40                sequence: 0xffffffff,
41            }],
42            outputs: crate::tx_outputs![TransactionOutput {
43                value: 50_0000_0000, // 50 BTC in satoshis
44                script_pubkey: vec![
45                    0x41, 0x04, 0x67, 0x8a, 0xfd, 0xb0, 0xfe, 0x55, 0x48, 0x27, 0x19, 0x67, 0xf1,
46                    0xa6, 0x71, 0x30, 0xb7, 0x10, 0x5c, 0xd6, 0xa8, 0x28, 0xe0, 0x39, 0x09, 0xa6,
47                    0x79, 0x62, 0xe0, 0xea, 0x1f, 0x61, 0xde, 0xb6, 0x49, 0xf6, 0xbc, 0x3f, 0x4c,
48                    0xef, 0x38, 0xc4, 0xf3, 0x55, 0x04, 0xe5, 0x1e, 0xc1, 0x12, 0xde, 0x5c, 0x38,
49                    0x4d, 0xf7, 0xba, 0x0b, 0x8d, 0x57, 0x8a, 0x4c, 0x70, 0x2b, 0x6b, 0xf1, 0x1d,
50                    0x5f, 0xac,
51                ],
52            }],
53            lock_time: 0,
54        }]
55        .into_boxed_slice(),
56    }
57}
58
59/// Create Bitcoin testnet genesis block
60pub fn testnet_genesis() -> Block {
61    // Bitcoin testnet genesis block
62    // Hash: 0x000000000933ea01ad0ee984209779baaec3ced90fa3f408719526f8d77f4943
63    // Same coinbase as mainnet → same merkle root (internal byte order)
64    Block {
65        header: BlockHeader {
66            version: 1,
67            prev_block_hash: [0u8; 32],
68            merkle_root: [
69                0x3b, 0xa3, 0xed, 0xfd, 0x7a, 0x7b, 0x12, 0xb2, 0x7a, 0xc7, 0x2c, 0x3e, 0x67, 0x76,
70                0x8f, 0x61, 0x7f, 0xc8, 0x1b, 0xc3, 0x88, 0x8a, 0x51, 0x32, 0x3a, 0x9f, 0xb8, 0xaa,
71                0x4b, 0x1e, 0x5e, 0x4a,
72            ],
73            timestamp: 1296688602, // Testnet genesis timestamp
74            bits: 0x1d00ffff,
75            nonce: 414098458,
76        },
77        transactions: vec![Transaction {
78            version: 1,
79            inputs: crate::tx_inputs![TransactionInput {
80                prevout: OutPoint {
81                    hash: [0u8; 32],
82                    index: 0xffffffff,
83                },
84                script_sig: vec![
85                    0x04, 0xff, 0xff, 0x00, 0x1d, 0x01, 0x04, 0x45, 0x54, 0x68, 0x65, 0x20, 0x54,
86                    0x69, 0x6d, 0x65, 0x73, 0x20, 0x30, 0x33, 0x2f, 0x4a, 0x61, 0x6e, 0x2f, 0x32,
87                    0x30, 0x30, 0x39, 0x20, 0x43, 0x68, 0x61, 0x6e, 0x63, 0x65, 0x6c, 0x6c, 0x6f,
88                    0x72, 0x20, 0x6f, 0x6e, 0x20, 0x62, 0x72, 0x69, 0x6e, 0x6b, 0x20, 0x6f, 0x66,
89                    0x20, 0x73, 0x65, 0x63, 0x6f, 0x6e, 0x64, 0x20, 0x62, 0x61, 0x69, 0x6c, 0x6f,
90                    0x75, 0x74, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x62, 0x61, 0x6e, 0x6b, 0x73,
91                ],
92                sequence: 0xffffffff,
93            }],
94            outputs: crate::tx_outputs![TransactionOutput {
95                value: 50_0000_0000,
96                script_pubkey: vec![
97                    0x41, 0x04, 0x67, 0x8a, 0xfd, 0xb0, 0xfe, 0x55, 0x48, 0x27, 0x19, 0x67, 0xf1,
98                    0xa6, 0x71, 0x30, 0xb7, 0x10, 0x5c, 0xd6, 0xa8, 0x28, 0xe0, 0x39, 0x09, 0xa6,
99                    0x79, 0x62, 0xe0, 0xea, 0x1f, 0x61, 0xde, 0xb6, 0x49, 0xf6, 0xbc, 0x3f, 0x4c,
100                    0xef, 0x38, 0xc4, 0xf3, 0x55, 0x04, 0xe5, 0x1e, 0xc1, 0x12, 0xde, 0x5c, 0x38,
101                    0x4d, 0xf7, 0xba, 0x0b, 0x8d, 0x57, 0x8a, 0x4c, 0x70, 0x2b, 0x6b, 0xf1, 0x1d,
102                    0x5f, 0xac,
103                ],
104            }],
105            lock_time: 0,
106        }]
107        .into_boxed_slice(),
108    }
109}
110
111/// Create Bitcoin regtest genesis block
112pub fn regtest_genesis() -> Block {
113    // Bitcoin regtest genesis block
114    // Hash: 0x0f9188f13cb7b2c28f4514ac48c96e0d99c5cb2f5e33a1748f0baf3323f6e5c0
115    // Same coinbase as mainnet → same merkle root (internal byte order)
116    Block {
117        header: BlockHeader {
118            version: 1,
119            prev_block_hash: [0u8; 32],
120            merkle_root: [
121                0x3b, 0xa3, 0xed, 0xfd, 0x7a, 0x7b, 0x12, 0xb2, 0x7a, 0xc7, 0x2c, 0x3e, 0x67, 0x76,
122                0x8f, 0x61, 0x7f, 0xc8, 0x1b, 0xc3, 0x88, 0x8a, 0x51, 0x32, 0x3a, 0x9f, 0xb8, 0xaa,
123                0x4b, 0x1e, 0x5e, 0x4a,
124            ],
125            timestamp: 1296688602, // Same as testnet for regtest
126            bits: 0x207fffff,      // Easier difficulty
127            nonce: 2,
128        },
129        transactions: vec![Transaction {
130            version: 1,
131            inputs: crate::tx_inputs![TransactionInput {
132                prevout: OutPoint {
133                    hash: [0u8; 32],
134                    index: 0xffffffff,
135                },
136                script_sig: vec![
137                    0x04, 0xff, 0xff, 0x00, 0x1d, 0x01, 0x04, 0x45, 0x54, 0x68, 0x65, 0x20, 0x54,
138                    0x69, 0x6d, 0x65, 0x73, 0x20, 0x30, 0x33, 0x2f, 0x4a, 0x61, 0x6e, 0x2f, 0x32,
139                    0x30, 0x30, 0x39, 0x20, 0x43, 0x68, 0x61, 0x6e, 0x63, 0x65, 0x6c, 0x6c, 0x6f,
140                    0x72, 0x20, 0x6f, 0x6e, 0x20, 0x62, 0x72, 0x69, 0x6e, 0x6b, 0x20, 0x6f, 0x66,
141                    0x20, 0x73, 0x65, 0x63, 0x6f, 0x6e, 0x64, 0x20, 0x62, 0x61, 0x69, 0x6c, 0x6f,
142                    0x75, 0x74, 0x20, 0x66, 0x6f, 0x72, 0x20, 0x62, 0x61, 0x6e, 0x6b, 0x73,
143                ],
144                sequence: 0xffffffff,
145            }],
146            outputs: crate::tx_outputs![TransactionOutput {
147                value: 50_0000_0000,
148                script_pubkey: vec![
149                    0x41, 0x04, 0x67, 0x8a, 0xfd, 0xb0, 0xfe, 0x55, 0x48, 0x27, 0x19, 0x67, 0xf1,
150                    0xa6, 0x71, 0x30, 0xb7, 0x10, 0x5c, 0xd6, 0xa8, 0x28, 0xe0, 0x39, 0x09, 0xa6,
151                    0x79, 0x62, 0xe0, 0xea, 0x1f, 0x61, 0xde, 0xb6, 0x49, 0xf6, 0xbc, 0x3f, 0x4c,
152                    0xef, 0x38, 0xc4, 0xf3, 0x55, 0x04, 0xe5, 0x1e, 0xc1, 0x12, 0xde, 0x5c, 0x38,
153                    0x4d, 0xf7, 0xba, 0x0b, 0x8d, 0x57, 0x8a, 0x4c, 0x70, 0x2b, 0x6b, 0xf1, 0x1d,
154                    0x5f, 0xac,
155                ],
156            }],
157            lock_time: 0,
158        }]
159        .into_boxed_slice(),
160    }
161}
blvm_protocol/genesis.rs

blvm_protocol/
genesis.rs
