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pd(upgrade): generate a checkpointed genesis post-upgrade #3071

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Sep 21, 2023
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pd(upgrade): generate a checkpointed genesis post-upgrade #3071

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13 changes: 13 additions & 0 deletions crates/bin/pd/src/testnet/generate.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -255,6 +255,19 @@ impl TestnetConfig {
Ok(genesis)
}

pub(crate) fn make_checkpoint(
genesis: Genesis<genesis::AppState>,
checkpoint: Option<Vec<u8>>,
) -> Genesis<genesis::AppState> {
match checkpoint {
Some(checkpoint) => Genesis {
app_state: genesis::AppState::Checkpoint(checkpoint),
..genesis
},
None => genesis,
}
}

/// Generate and write to disk the Tendermint configs for each validator at genesis.
pub fn write_configs(&self) -> anyhow::Result<()> {
// Loop over each validator and write its config separately.
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2 changes: 2 additions & 0 deletions crates/bin/pd/src/upgrade.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,8 @@ pub async fn migrate(path_to_export: PathBuf, upgrade: Upgrade) -> anyhow::Resul
.expect("infaillible conversion");
genesis.initial_height = post_ugprade_height as i64;
genesis.genesis_time = tendermint::time::Time::now();
let checkpoint = [32u8; 32].to_vec();
let genesis = TestnetConfig::make_checkpoint(genesis, Some(checkpoint));

let genesis_json = serde_json::to_string(&genesis).expect("can serialize genesis");
tracing::info!("genesis: {}", genesis_json);
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