tendermint/abci/request/
init_chain.rs

1use bytes::Bytes;
2
3use crate::{block, consensus, prelude::*, validator, Time};
4
5/// Called on genesis to initialize chain state.
6///
7/// [ABCI documentation](https://docs.tendermint.com/master/spec/abci/abci.html#initchain)
8#[derive(Clone, PartialEq, Eq, Debug)]
9pub struct InitChain {
10    /// The genesis time.
11    pub time: Time,
12    /// The ID of the blockchain.
13    pub chain_id: String,
14    /// Initial consensus-critical parameters.
15    pub consensus_params: consensus::Params,
16    /// Initial genesis validators, sorted by voting power.
17    pub validators: Vec<validator::Update>,
18    /// Serialized JSON bytes containing the initial application state.
19    pub app_state_bytes: Bytes,
20    /// Height of the initial block (typically `1`).
21    pub initial_height: block::Height,
22}
23
24// =============================================================================
25// Protobuf conversions
26// =============================================================================
27
28tendermint_pb_modules! {
29    use super::InitChain;
30    use crate::Error;
31
32    impl From<InitChain> for pb::abci::RequestInitChain {
33        fn from(init_chain: InitChain) -> Self {
34            Self {
35                time: Some(init_chain.time.into()),
36                chain_id: init_chain.chain_id,
37                consensus_params: Some(init_chain.consensus_params.into()),
38                validators: init_chain.validators.into_iter().map(Into::into).collect(),
39                app_state_bytes: init_chain.app_state_bytes,
40                initial_height: init_chain.initial_height.into(),
41            }
42        }
43    }
44
45    impl TryFrom<pb::abci::RequestInitChain> for InitChain {
46        type Error = Error;
47
48        fn try_from(init_chain: pb::abci::RequestInitChain) -> Result<Self, Self::Error> {
49            Ok(Self {
50                time: init_chain
51                    .time
52                    .ok_or_else(Error::missing_genesis_time)?
53                    .try_into()?,
54                chain_id: init_chain.chain_id,
55                consensus_params: init_chain
56                    .consensus_params
57                    .ok_or_else(Error::missing_consensus_params)?
58                    .try_into()?,
59                validators: init_chain
60                    .validators
61                    .into_iter()
62                    .map(TryInto::try_into)
63                    .collect::<Result<_, _>>()?,
64                app_state_bytes: init_chain.app_state_bytes,
65                initial_height: init_chain.initial_height.try_into()?,
66            })
67        }
68    }
69
70    impl Protobuf<pb::abci::RequestInitChain> for InitChain {}
71}
tendermint/abci/request/init_chain.rs

tendermint/abci/request/
init_chain.rs
