Zebra 1.0.0-beta.1

Zebra's latest beta implements a number of consensus rules which will be needed for Zebra to fully validate all of the Zcash network consensus rules, including those which will activate with NU5.

With this release we are also fixing a number of security issues that could pose a DDoS risk or otherwise negatively impact other nodes on the network.

Finally, this release includes an upgrade to the latest version of tokio (1.14.0).

Added

• Check Shielded Input and Output Limits (#3069, #3076)
• Sprout note commitment trees (#3051)
• Check per-block limits on transparent signature operations (#3049)
• Calculate Block Subsidy and Funding Streams (#3017, #3040)
• Check for duplicate crate dependencies in CI (#2986)
• Add unused seed peers to the Address Book (#2974, #3019)

Network Upgrade 5

• Verify Halo2 proofs as part of V5 transaction verification (#2645, #3039)
• ZIP-155: Parse addrv2 in Zebra (#3008, #3014, #3020, #3021, #3022, #3032)
• ZIP 212: validate Sapling and Orchard output of coinbase transactions (#3029)
• Validate Orchard flags in v5 (#3035)

Documentation

• Mempool Documentation (#2978)

Changed

• Upgrade cryptographic library dependencies (#3059)
• Upgrade to Tokio 1.14.0 (#2933, #2994, #3062)

Documentation

• README Updates (#2996, #3006)

Fixed

• Stop downloading unnecessary blocks in Zebra acceptance tests (#3072)
• Implement graceful shutdown for the peer set (#3071)
• Check for panics in the address book updater task (#3064)
• Remove unused connection errors (#3054)
• Fix listener address conflicts in network tests (#3031)

Security

• Security: Avoid reconnecting to peers that are likely unreachable (#3030)
• Security: Limit number of addresses sent to peers to avoid address book pollution (#3007)