send starting height to peers (#4904)
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
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@ -27,7 +27,6 @@ use tracing::{span, Level, Span};
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use tracing_futures::Instrument;
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use zebra_chain::{
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block,
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chain_tip::{ChainTip, NoChainTip},
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parameters::Network,
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serialization::SerializationError,
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@ -580,9 +579,7 @@ where
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address_from: AddrInVersion::new(our_listen_addr, our_services),
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nonce: local_nonce,
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user_agent: user_agent.clone(),
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// The protocol works fine if we don't reveal our current block height,
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// and not sending it means we don't need to be connected to the chain state.
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start_height: block::Height(0),
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start_height: minimum_peer_version.chain_tip_height(),
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relay,
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};
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@ -1,6 +1,6 @@
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//! Watches for chain tip height updates to determine the minimum supported peer protocol version.
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use zebra_chain::{chain_tip::ChainTip, parameters::Network};
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use zebra_chain::{block::Height, chain_tip::ChainTip, parameters::Network};
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use crate::protocol::external::types::Version;
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@ -66,6 +66,16 @@ where
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self.has_changed = true;
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}
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}
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/// Return the current chain tip height.
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///
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/// If it is not available return height zero.
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pub fn chain_tip_height(&self) -> Height {
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match self.chain_tip.best_tip_height() {
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Some(height) => height,
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None => Height(0),
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}
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}
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}
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/// A custom [`Clone`] implementation to ensure that the first call to
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