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Allow starting testnet from JSON state

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This commit is contained in:
Paul Hauner
2019-09-02 15:58:53 +10:00
parent ba22d28026
commit 70f4052b2e
6 changed files with 25 additions and 2 deletions
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10
beacon_node/beacon_chain/src/beacon_chain_builder.rs
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@@ -76,6 +76,16 @@ impl<T: BeaconChainTypes> BeaconChainBuilder<T> {
Ok(Self::from_genesis_state(genesis_state, spec, log))
}
pub fn json_state(file: &PathBuf, spec: ChainSpec, log: Logger) -> Result<Self, String> {
let file = File::open(file.clone())
.map_err(|e| format!("Unable to open JSON genesis state file {:?}: {:?}", file, e))?;
let genesis_state = serde_json::from_reader(file)
.map_err(|e| format!("Unable to parse JSON genesis state file: {:?}", e))?;
Ok(Self::from_genesis_state(genesis_state, spec, log))
}
pub fn http_bootstrap(server: &str, spec: ChainSpec, log: Logger) -> Result<Self, String> {
let bootstrapper = Bootstrapper::from_server_string(server.to_string())
.map_err(|e| format!("Failed to initialize bootstrap client: {}", e))?;