1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161

use crate::*;

pub fn generate_fi(member_number: usize) -> (FinalizationInfo, Vec<(PublicKey, PrivateKey)>) {
    let (rs, keys) = generate_standard_genesis(member_number);
    let fi = FinalizationInfo {
        header: rs.genesis_info.header.clone(),
        commit_hash: CommitHash::zero(),
        proof: rs.genesis_info.genesis_proof.clone(),
        reserved_state: rs,
    };
    (fi, keys)
}

/// Generates a standard test chain config returning the genesis reserved-state
/// and the associated key pairs of the members.
pub fn generate_standard_genesis(
    member_number: usize,
) -> (ReservedState, Vec<(PublicKey, PrivateKey)>) {
    let keys = (0..member_number)
        .map(|i| generate_keypair(format!("{i}")))
        .collect::<Vec<_>>();
    let members = keys
        .iter()
        .enumerate()
        .map(|(i, (public_key, _))| Member {
            public_key: public_key.clone(),
            // lexicographically ordered
            name: format!("member-{i:04}"),
            governance_voting_power: 1,
            consensus_voting_power: 1,
            governance_delegatee: None,
            consensus_delegatee: None,
        })
        .collect::<Vec<_>>();
    let genesis_header = BlockHeader {
        author: PublicKey::zero(),
        prev_block_finalization_proof: FinalizationProof::genesis(),
        previous_hash: Hash256::zero(),
        height: 0,
        timestamp: 0,
        commit_merkle_root: Hash256::zero(),
        repository_merkle_root: Hash256::zero(),
        validator_set: members
            .iter()
            .map(|member| (member.public_key.clone(), member.consensus_voting_power))
            .collect::<Vec<_>>(),
        version: SIMPERBY_CORE_PROTOCOL_VERSION.to_string(),
    };
    let genesis_info = GenesisInfo {
        header: genesis_header.clone(),
        genesis_proof: FinalizationProof {
            round: 0,
            signatures: keys
                .iter()
                .map(|(_, private_key)| {
                    TypedSignature::sign(
                        &FinalizationSignTarget {
                            block_hash: genesis_header.to_hash256(),
                            round: 0,
                        },
                        private_key,
                    )
                    .unwrap()
                })
                .collect::<Vec<_>>(),
        },
        chain_name: "test-chain".to_string(),
    };
    (
        ReservedState {
            genesis_info,
            members,
            consensus_leader_order: (0..member_number)
                .map(|i| format!("member-{i:04}"))
                .collect::<Vec<_>>(),
            version: SIMPERBY_CORE_PROTOCOL_VERSION.to_string(),
        },
        keys,
    )
}

/// Generates a standard test chain config returning the genesis reserved-state
/// and the associated key pairs of the members.
///
/// member-0000 delegates to member-0002 for governance and consensus if `governance` is true and
/// member-0000 delegates to member-0002 for consensus only if `governance` is false.
pub fn generate_delegated_genesis(
    member_number: usize,
    governance: bool,
) -> (ReservedState, Vec<(PublicKey, PrivateKey)>) {
    let keys = (0..member_number)
        .map(|i| generate_keypair(format!("{i}")))
        .collect::<Vec<_>>();
    // member-0000 delegates to member-0002
    let members = keys
        .iter()
        .enumerate()
        .map(|(i, (public_key, _))| Member {
            public_key: public_key.clone(),
            // lexicographically ordered
            name: format!("member-{i:04}"),
            governance_voting_power: 1,
            consensus_voting_power: 1,
            governance_delegatee: if i == 0 && governance {
                Some("member-0002".into())
            } else {
                None
            },
            consensus_delegatee: if i == 0 {
                Some("member-0002".into())
            } else {
                None
            },
        })
        .collect::<Vec<_>>();
    let genesis_header = BlockHeader {
        author: PublicKey::zero(),
        prev_block_finalization_proof: FinalizationProof::genesis(),
        previous_hash: Hash256::zero(),
        height: 0,
        timestamp: 0,
        commit_merkle_root: Hash256::zero(),
        repository_merkle_root: Hash256::zero(),
        validator_set: members
            .iter()
            .map(|member| (member.public_key.clone(), member.consensus_voting_power))
            .collect::<Vec<_>>(),
        version: "0.1.0".to_string(),
    };
    let genesis_info = GenesisInfo {
        header: genesis_header.clone(),
        genesis_proof: FinalizationProof {
            round: 0,
            signatures: keys
                .iter()
                .map(|(_, private_key)| {
                    TypedSignature::sign(
                        &FinalizationSignTarget {
                            block_hash: genesis_header.to_hash256(),
                            round: 0,
                        },
                        private_key,
                    )
                    .unwrap()
                })
                .collect::<Vec<_>>(),
        },
        chain_name: "test-chain".to_string(),
    };
    (
        ReservedState {
            genesis_info,
            members,
            consensus_leader_order: (1..member_number)
                .map(|i| format!("member-{i:04}"))
                .collect::<Vec<_>>(),
            version: "0.1.0".to_string(),
        },
        keys,
    )
}