pd/migrate/
mainnet4.rs
1use cnidarium::{StateDelta, Storage};
7use jmt::RootHash;
8use penumbra_sdk_app::app::StateReadExt as _;
9use penumbra_sdk_app::app_version::migrate_app_version;
10use penumbra_sdk_governance::StateWriteExt;
11use penumbra_sdk_sct::component::clock::EpochManager;
12use penumbra_sdk_sct::component::clock::EpochRead;
13use std::path::PathBuf;
14use tracing::instrument;
15
16use crate::network::generate::NetworkConfig;
17
18#[instrument]
23pub async fn migrate(
24 storage: Storage,
25 pd_home: PathBuf,
26 genesis_start: Option<tendermint::time::Time>,
27) -> anyhow::Result<()> {
28 let initial_state = storage.latest_snapshot();
30 let chain_id = initial_state.get_chain_id().await?;
31 let root_hash = initial_state
32 .root_hash()
33 .await
34 .expect("chain state has a root hash");
35 let pre_upgrade_root_hash: RootHash = root_hash.into();
37 let pre_upgrade_height = initial_state
38 .get_block_height()
39 .await
40 .expect("chain state has a block height");
41 let post_upgrade_height = pre_upgrade_height.wrapping_add(1);
42
43 let mut delta = StateDelta::new(initial_state);
44 let (migration_duration, post_upgrade_root_hash) = {
45 let start_time = std::time::SystemTime::now();
46
47 migrate_app_version(&mut delta, 11).await?;
48
49 delta.ready_to_start();
51 delta.put_block_height(0u64);
52
53 let post_upgrade_root_hash = storage.commit_in_place(delta).await?;
55 tracing::info!(?post_upgrade_root_hash, "post-migration root hash");
56
57 (
58 start_time.elapsed().expect("start is set"),
59 post_upgrade_root_hash,
60 )
61 };
62 storage.release().await;
63
64 let app_state = penumbra_sdk_app::genesis::Content {
68 chain_id,
69 ..Default::default()
70 };
71 let mut genesis = NetworkConfig::make_genesis(app_state.clone()).expect("can make genesis");
72 genesis.app_hash = post_upgrade_root_hash
73 .0
74 .to_vec()
75 .try_into()
76 .expect("infallible conversion");
77
78 genesis.initial_height = post_upgrade_height as i64;
79 genesis.genesis_time = genesis_start.unwrap_or_else(|| {
80 let now = tendermint::time::Time::now();
81 tracing::info!(%now, "no genesis time provided, detecting a testing setup");
82 now
83 });
84 let checkpoint = post_upgrade_root_hash.0.to_vec();
85 let genesis = NetworkConfig::make_checkpoint(genesis, Some(checkpoint));
86 let genesis_json = serde_json::to_string(&genesis).expect("can serialize genesis");
87 tracing::info!("genesis: {}", genesis_json);
88 let genesis_path = pd_home.join("genesis.json");
89 std::fs::write(genesis_path, genesis_json).expect("can write genesis");
90
91 let validator_state_path = pd_home.join("priv_validator_state.json");
92 let fresh_validator_state = crate::network::generate::NetworkValidator::initial_state();
93 std::fs::write(validator_state_path, fresh_validator_state).expect("can write validator state");
94
95 tracing::info!(
96 pre_upgrade_height,
97 post_upgrade_height,
98 ?pre_upgrade_root_hash,
99 ?post_upgrade_root_hash,
100 duration = migration_duration.as_secs(),
101 "successful migration!"
102 );
103
104 Ok(())
105}