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implement circuit v2 #136
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implement circuit v2 #136
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* v2 client scaffolding * gomod: go-libp2p-core and go-libp2p-transport-upgrader feature dependencies * Conn implements network.ConnStat * add reservation stub * utilities * dial scaffolding and v1 compat dialing * stream handling scaffolding and v1 incoming connection handling * implement hop tagging * export timeout variables * v2 protobuf * v2 client protocol implementation * implement Reserve * go get go-libp2p-swarm@feat/transient-conns * implement client.New * rework pb status codes * client responds with UNEXPECTED_MESSAGE when it's actually an unexpected message * relay scaffolding, reservation implementation * implement relaying * implement missing details * add options for resources/limit * gc idle conn counts * fix clown shoes in cancellation check * end to end relay test * untag peers with expired reservations * add time limit test * better debug log for accepted conns * add data limit test * add v2-v1 compatibility tests * godocs * add WithACL relay option * only return public relay addrs in reservation record * remove the refresh restriction madness * set default limit Data to 128K * fix typo in AllowReserve godoc * fix some small issues - remove context from constructor - remove stream handler when closing the host - remove the awkward cancellation check from handleStream * fix tests * address review comments - Add deadline for Reserve calls - Add deadline for dials - Add some comments for things that confuse aarsh. * humor aarsh and add initializers for slices * comment nitpicks * fix bug in slice pre-allocations * add deadline to connectV1 * make Relay.Close thread-safe * untag peers with reservations when closing the relay * gomod: get go-libp2p-asn-util * add IP/ASN reservation constraints * gomod: update deps * fix e2e test * increase default limit duration to 2min * update protocol for vouched relay addrs; provide absolute expiration time instead of TTL * update for reservation changes * add voucher to the reservation pb * TODO about reservation vouchers * deduplicate protocol ID definitions between relay and client * add reservation vouchers * emit and consume reservation vouchers * improve limit data test * deduplicate concurrent relay dials to the samke peer * improve dialer deduplication * add a short timeout to dialing the relay in order to aid deduplication * gomod: fix go1.16 madness * spec compliance: don't include p2p-circuit in reservation addrs * spec compliance: refuse reservation and connection attempts over relayed connections * test shim: add empty file in test directory * spec compliance: update protobuf * spec compliance: use libp2p envelopes for reservation vouchers * fix staticcheck Co-authored-by: Marten Seemann <martenseemann@gmail.com>
simplify generation of reservations
* base limits on reservations issued * switch default reservation limits per peer and per IP * don't export the constructor for relay.constraints * panic when reading from crypto/rand fails * optimize IP-based reservation lookup * use lists instead of maps to save reservations * save expiry timestamp in reservations * use slices instead of linked lists for reservations * remove unused rand in constraints
Stebalien
approved these changes
Aug 5, 2021
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This should be ready to merge now.