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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| use std::{path::PathBuf, time::Duration}; | ||
|
|
||
| use penumbra_chain::{ | ||
| component::{AppHash, StateReadExt}, | ||
| genesis::AppState, | ||
| }; | ||
| use penumbra_stake::StateReadExt as _; | ||
| use penumbra_storage::{StateDelta, StateRead, StateWrite, Storage}; | ||
|
|
||
| use crate::testnet::generate::TestnetConfig; | ||
|
|
||
| pub enum Upgrade { | ||
| /// No-op migration | ||
| Noop, | ||
| /// Testnet 60 migration | ||
| Testnet60, | ||
| } | ||
|
|
||
| pub async fn migrate(path_to_export: PathBuf, upgrade: Upgrade) -> anyhow::Result<()> { | ||
| match upgrade { | ||
| Upgrade::Noop => (), | ||
| Upgrade::Testnet60 => { | ||
| let mut db_path = path_to_export.clone(); | ||
| db_path.push("rocksdb"); | ||
| let storage = Storage::load(db_path).await?; | ||
| let export_state = storage.latest_snapshot(); | ||
| let root_hash = export_state.root_hash().await.expect("can get root hash"); | ||
| let app_hash_pre_migration: AppHash = root_hash.into(); | ||
|
|
||
| /* --------- writing to the jmt ------------ */ | ||
| tracing::info!(?app_hash_pre_migration, "app hash pre upgrade"); | ||
| let mut delta = StateDelta::new(export_state); | ||
| delta.put_raw("testnet_60_forked".to_string(), "done".into()); | ||
| let root_hash = storage.commit_in_place(delta).await?; | ||
| let app_hash_post_migration: AppHash = root_hash.into(); | ||
| tracing::info!(?app_hash_post_migration, "app hash post upgrade"); | ||
|
|
||
| /* --------- collecting genesis data -------- */ | ||
| tracing::info!("generating genesis"); | ||
| let migrated_state = storage.latest_snapshot(); | ||
| let root_hash = migrated_state.root_hash().await.expect("can get root hash"); | ||
| let app_hash: AppHash = root_hash.into(); | ||
| tracing::info!(?root_hash, "root hash post upgrade2"); | ||
| let height = migrated_state | ||
| .get_block_height() | ||
| .await | ||
| .expect("can get block height"); | ||
| let next_height = height + 1; | ||
| let chain_params = migrated_state | ||
| .get_chain_params() | ||
| .await | ||
| .expect("can get chain params"); | ||
|
|
||
| /* ---------- genereate genesis ------------ */ | ||
| let validators = migrated_state.validator_list().await?; | ||
| let mut app_state = AppState::default(); | ||
| app_state.chain_params = chain_params; | ||
| app_state.validators = validators.into_iter().map(Into::into).collect(); | ||
| let mut genesis = TestnetConfig::make_genesis(app_state.clone()).unwrap(); | ||
| genesis.app_hash = app_hash | ||
| .0 | ||
| .to_vec() | ||
| .try_into() | ||
| .expect("infaillible conversion"); | ||
| genesis.initial_height = next_height as i64; | ||
| genesis.genesis_time = tendermint::time::Time::now(); | ||
|
|
||
| let genesis_json = serde_json::to_string(&genesis).expect("can serialize genesis"); | ||
| tracing::info!("genesis: {}", genesis_json); | ||
| let mut genesis_path = path_to_export.clone(); | ||
| genesis_path.push("genesis.json"); | ||
| std::fs::write(genesis_path, genesis_json).expect("can write genesis"); | ||
| } | ||
| } | ||
| Ok(()) | ||
| } |
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