Overview

This release adds experimental support for libp2p networking, a major advance for Algorand decentralization. We would like to emphasize that this support is in preview mode only, and not recommended for production use cases yet.

What's New

• libp2p networking support (experimental preview)
• AVM enhancements
• Mac OS X universal binary

Changelog

New Features

• Network: p2p traffic exchange for algorand node (#5939)

Enhancements

• AVM: Derive looser, but more principled, checks of txn max size (#6114)
• AVM: Provide access to some more block header values (#6107)
• AVM: Expose relevant incentive constants (#6025)
• Algons: expose error for dnsaddr command (#6121)
• Build: add universal Mac make target (#6023)
• Ci: update nightly builds to use universal mac update (#6071)
• Cicd: remove mac AMD64 support from circleci (#6036)
• Cmd: Add goal node subcommand to generate peer private key (#6078)
• Config: use P2PHybridIncomingConnectionsLimit only for hybrid mode (#6103)
• Config: Expose merged configuration for easier debugging (#6049)
• Config: Add warning if EndpointAddress and NetAddress ports are equal (#6006)
• Config: Add GoMemLimit config option and use with 10-node test (#5975)
• Docs: p2p package overview (#6096)
• Installer: add support for algoh to systemd installs (#6102)
• Logging: change transaction pool re-evaluation message from warn to info (#6047)
• Metrics: collect total netdev sent/received bytes (#6108)
• Metrics: Add algod version to metrics (#6003)
• Netgoal: allow unknown template tokens (#6091)
• Network: remove ws net proto 2.1 (#6081)
• Network: use http.ResponseController instead of GetHTTPRequestConnection (#6044)
• Network: Allow short-lived connections to query /status endpoint when at full capacity (#6009)
• P2p: store private keys as PKCS#8 ASN.1 DER PEM (#6119)
• P2p: Add algod_network_p2p_* traffic metrics (#6105)
• P2p: get rid of interface{} from PeerStore methods (#6101)
• P2p: handle txns in pubsub validator (#6070)
• P2p: do not advertise private and non-routable addresses (#6092)
• P2p: support EnableGossipService in p2p streams (#6073)
• P2p: hybrid node net identity for connection deduplication (#6035)
• P2p: Introduce profiles for hybridRelay, hybridArchival, and hybridClient. (#6062)
• P2p: Disable circuit relaying via libp2p.NoListenAddrs (#6064)
• REST API: make RawTransactionAsync developer API (#6069)
• Scripts: allow metrics filtering by labels in metrics_viz.py (#6125)
• Tests: set pprof labels for goroutines that use the same code for different cases (#4350)
• Tests: preserve logs on LibGoalFixture failure (#6030)

Bugfixes

• Algod: fix telemetry lookup if phonebook is used (#6061)
• Catchup: skip logging err for catchup cancellation (#6053)
• Catchup: do not loop forever if there is no peers (#6037)
• Ci: fix mac universal rebuild for nightlies (#6084)
• Ci: update to CentOS Stream 9 and start integrating universal target (#6080)
• Ci: increase artifact upload timeout (#6050)
• Cicd: fix broken ci-build target (#6087)
• Config: ensure both ws and p2p net running the same mode in hybrid (#6130)
• Ledger: restore block listeners on reloadLedger (#6041)
• Legacy Docker: pin ubuntu version (#6028)
• Network: fix outgoing HTTP rate limiting (#6118)
• Network: fix publicKeyIdentTracker data race in hybrid mode (#6110)
• Node: clear new p2p net handlers on fast catchup (#6127)
• Node: close ledger and part keys on node shutdown (#6039)
• P2p: reuse existing libp2p.Host for http clients (#6129)
• P2p: make sure p2p http server runs on all interfaces (#6123)
• P2p: do not register closing peer (#6086)
• P2p: fix connection deduplication in hybrid mode (#6082)
• REST API: Fix LedgerStateDelta JSON encoding (#6106)
• REST API: Fix to Disable API authentication (#6067)
• Simulate: fix signers (#5942)
• Tests: fix expect tests and add EOF linter (#6122)
• Tests: fix a race in TestP2PwsStreamHandlerDedup (#6116)
• Tests: fix e2e subs goal-partkey-commands (#6095)
• Tests: fix flushing in TestVotersReloadFromDiskAfterOneStateProofCommitted (#6090)
• Tests: fix concurrent accout commits in TestLedgerVerifiesOldStateProofs (#6060)
• Tests: fix TestVotersReloadFromDiskAfterOneStateProofCommitted (#6024)
• Txhandler: fix TestTxHandlerAppRateLimiter (#6075)

Protocol Upgrade

This release does not contain a protocol upgrade.

Additional Resources

• Algorand Forum
• Developer Documentation