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doc: Explain current and minimum network protocol versions

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teor 2020-08-04 12:53:09 +10:00 committed by Deirdre Connolly
parent ffb6aacf33
commit c95d980bc2
1 changed files with 9 additions and 4 deletions
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13
zebra-network/src/constants.rs
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@ -40,15 +40,20 @@ pub const TIMESTAMP_TRUNCATION_SECONDS: i64 = 30 * 60;
/// [BIP 14]: https://github.com/bitcoin/bips/blob/master/bip-0014.mediawiki
pub const USER_AGENT: &str = "/🦓Zebra🦓:3.0.0-alpha.0/";
/// The Zcash network protocol version implemented by this crate.
/// The Zcash network protocol version implemented by this crate, and advertised
/// during connection setup.
///
/// This protocol version might be the current version on Mainnet or Testnet,
/// based on where we are in the network upgrade cycle.
/// The current protocol version is checked by our peers. If it is too old,
/// newer peers will refuse to connect to us.
///
/// The current protocol version typically changes before Mainnet and Testnet
/// network upgrades.
pub const CURRENT_VERSION: Version = Version(170_012);
/// The most recent bilateral consensus upgrade implemented by this crate.
///
/// Used to select the minimum supported version for peer connections.
/// The minimum network upgrade is used to check the protocol versions of our
/// peers. If their versions are too old, we will disconnect from them.
//
// TODO: replace with NetworkUpgrade::current(network, height).
// See the detailed comment in handshake.rs, where this constant is used.