Network Team Update

High-level overview of sprint 68

Peer Sharing

Karl Knutsson (CF) produces graphs which show how peer sharing usage expands on mainnet.

Private relays in the last graph are relays which we are not certain that are registered on the chain.

Typed Protocols

We conducted an investigation whether the new proposed typed-protocols version (see typed-protocols#52 introduces any performance regression. No regression was found when running a cardano-node (v9.1.0 vs a modified version using the new typed-protocols API) the benchmarking cluster. Also no regression was observed when syncing mainnet. The graph below shows accumulated size of block downloaded over time for both nodes:

The following draft PRs are openned:

• typed-protocols#52
• ouroboros-network#4935 - Ouroboros-Network changesd
• ouroboros-consensus#1223 - Ouroboros-Consensus changes
• cardano-api#619
• cardano-cli#870
• ekg-forward#33
• cardano-node#5956 - cardano-node version using new typed-protocols API

cardano-cli ping

Fixed a bug in which cardano-cli ping exited with wrong exit code when a wrong network magic was supplied, see ouroboros-network#4865.

cardano-cli ping will also now report the remote IP address and port when querying the tip:

> cardano-cli ping -h backbone.mainnet.cardanofoundation.org -p3001 -t -j -q | jq
{
  "tip": [
    {
      "addr": "2a01:2a8:a23d:16::17",
      "blockNo": 10699400,
      "hash": "f37649c4a6ae0c8b208da7c46d4e04312518969e612af0a8dbfdadcbd7180dd2",
      "port": 3001,
      "rtt": 0.013192945,
      "slotNo": 131991843
    },
    {
      "addr": "2a0e:dc0:3:b122::1",
      "blockNo": 10699400,
      "hash": "f37649c4a6ae0c8b208da7c46d4e04312518969e612af0a8dbfdadcbd7180dd2",
      "port": 3001,
      "rtt": 0.024089979,
      "slotNo": 131991843
    },
    {
      "addr": "2001:15e8:110:4aae::1",
      "blockNo": 10699400,
      "hash": "f37649c4a6ae0c8b208da7c46d4e04312518969e612af0a8dbfdadcbd7180dd2",
      "port": 3001,
      "rtt": 0.034663209,
      "slotNo": 131991843
    }
 ]
}

See ouroboros-network#4931.

Tx-Submission

We continued writing tests for the new tx-submission application.

We started extending typed-protocols codec to have access to both raw bytes and decoded transactions in the tx-submission mini-protocol. See ouroboros-network#4934.