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Don't fail blockchain.headers.subscribe on initial sync

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Roman Zeyde 2020-11-08 11:58:12 +02:00
parent 4af4bcaaf6
commit f9c7a06ade
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1 changed files with 4 additions and 1 deletions
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5
electrs_rpc/src/rpc.rs
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@ -332,7 +332,10 @@ impl Rpc {
let map = self.index.map();
let chain = map.chain();
Ok(match chain.last() {
None => bail!("empty chain"),
None => {
subscription.tip = Some(BlockHash::default());
json!({}) // no tip when waiting for index sync
}
Some(tip) => {
subscription.tip = Some(*tip);
let header = serialize(map.get_by_hash(tip).unwrap());