v1.61.0

Features

• dht: implement support for additional mainline methods (db977b7)
• flush metrics every minute (de6001b)
• metadata: add support for message stream encryption (783dca8)
• metadata: add support for Multipath TCP (e81f3b1)
• persistence: implement a ZeroMQ interface (a4654c2)
• persistence: support both cgo and non-cgo builds (96ee524)
• stats: add a package for logging metrics (c96820b)

Bug Fixes

• bencode: impossible condition nil != nil (c36c58b)
• dht: correct slice reinitialization issue in CompactNodeInfo Marshaler (a72de2c)
• dht: ignore nodes that have invalid ports (819d2dd)
• dht: increase chan size but do not drop idx results (8300868)
• dht: limit the number of nodes returned by dump (1facb2b)
• infohash: gracefully handle bad hex strings without panicking (ab2e677)
• metadata: fallback on math/rand when crypto/rand fails (f7c7dee)
• oci: add zeromq dependencies in oci image build (4ec62bb)
• oci: avoid dev deps installation in the final container (914ddd4)
• oci: the 'as' keyword should match the case of the 'from' keyword (bf557ed)
• oom: lower the default indexer-max-neighbors to 5000 peers (132bf1b)
• persistence: replace zeromq deps with the gopkg.in counterpart (a75f859)
• persistence: return an invalid value - avoid panics (7e43e10)
• persistence: rows might be nil if err != nil (8f09f8e)
• persistence: rows might be nil if err != nil (c61d863)
• remove go:build statement (2c09c90)

Performance Improvements

• dht: rt.nodes - avoid excessive allocations (3ced3c6)
• dht: add slice of neighbors in the routing table (f115de1)
• dht: discard old entries in the routing table if it gets too big (1339624)
• dht: on sample_infohash query received send a find_node query (dc0e761)
• dht: prioritize get_peers and find_node queries (565801a)