release v0.8.0

Release v0.7.1

.github/workflows/automerge.yml

@@ -0,0 +1,11 @@
+# File managed by web3-bot. DO NOT EDIT.
+# See https://github.com/protocol/.github/ for details.
+
+name: Automerge
+on: [ pull_request ]
+
+jobs:
+  automerge:
+    uses: protocol/.github/.github/workflows/automerge.yml@master
+    with:
+      job: 'automerge'

.github/workflows/go-check.yml

@@ -0,0 +1,73 @@
+# File managed by web3-bot. DO NOT EDIT.
+# See https://github.com/protocol/.github/ for details.
+
+on: [push, pull_request]
+name: Go Checks
+
+jobs:
+  unit:
+    runs-on: ubuntu-latest
+    name: All
+    env:
+      RUNGOGENERATE: false
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - uses: actions/setup-go@v2
+        with:
+          go-version: "1.18.x"
+      - name: Run repo-specific setup
+        uses: ./.github/actions/go-check-setup
+        if: hashFiles('./.github/actions/go-check-setup') != ''
+      - name: Read config
+        if: hashFiles('./.github/workflows/go-check-config.json') != ''
+        run: |
+          if jq -re .gogenerate ./.github/workflows/go-check-config.json; then
+            echo "RUNGOGENERATE=true" >> $GITHUB_ENV
+          fi
+      - name: Install staticcheck
+        run: go install honnef.co/go/tools/cmd/staticcheck@d7e217c1ff411395475b2971c0824e1e7cc1af98 # 2022.1 (v0.3.0)
+      - name: Check that go.mod is tidy
+        uses: protocol/multiple-go-modules@v1.2
+        with:
+          run: |
+            go mod tidy
+            if [[ -n $(git ls-files --other --exclude-standard --directory -- go.sum) ]]; then
+              echo "go.sum was added by go mod tidy"
+              exit 1
+            fi
+            git diff --exit-code -- go.sum go.mod
+      - name: gofmt
+        if: ${{ success() || failure() }} # run this step even if the previous one failed
+        run: |
+          out=$(gofmt -s -l .)
+          if [[ -n "$out" ]]; then
+            echo $out | awk '{print "::error file=" $0 ",line=0,col=0::File is not gofmt-ed."}'
+            exit 1
+          fi
+      - name: go vet
+        if: ${{ success() || failure() }} # run this step even if the previous one failed
+        uses: protocol/multiple-go-modules@v1.2
+        with:
+          run: go vet ./...
+      - name: staticcheck
+        if: ${{ success() || failure() }} # run this step even if the previous one failed
+        uses: protocol/multiple-go-modules@v1.2
+        with:
+          run: |
+            set -o pipefail
+            staticcheck ./... | sed -e 's@\(.*\)\.go@./\1.go@g'
+      - name: go generate
+        uses: protocol/multiple-go-modules@v1.2
+        if: (success() || failure()) && env.RUNGOGENERATE == 'true'
+        with:
+          run: |
+            git clean -fd # make sure there aren't untracked files / directories
+            go generate ./...
+            # check if go generate modified or added any files
+            if ! $(git add . && git diff-index HEAD --exit-code --quiet); then
+              echo "go generated caused changes to the repository:"
+              git status --short
+              exit 1
+            fi

.github/workflows/go-test.yml

@@ -0,0 +1,68 @@
+# File managed by web3-bot. DO NOT EDIT.
+# See https://github.com/protocol/.github/ for details.
+
+on: [push, pull_request]
+name: Go Test
+
+jobs:
+  unit:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ "ubuntu", "windows", "macos" ]
+        go: [ "1.17.x", "1.18.x" ]
+    env:
+      COVERAGES: ""
+    runs-on: ${{ format('{0}-latest', matrix.os) }}
+    name: ${{ matrix.os }} (go ${{ matrix.go }})
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: recursive
+      - uses: actions/setup-go@v2
+        with:
+          go-version: ${{ matrix.go }}
+      - name: Go information
+        run: |
+          go version
+          go env
+      - name: Use msys2 on windows
+        if: ${{ matrix.os == 'windows' }}
+        shell: bash
+        # The executable for msys2 is also called bash.cmd
+        #   https://github.com/actions/virtual-environments/blob/main/images/win/Windows2019-Readme.md#shells
+        # If we prepend its location to the PATH
+        #   subsequent 'shell: bash' steps will use msys2 instead of gitbash
+        run: echo "C:/msys64/usr/bin" >> $GITHUB_PATH
+      - name: Run repo-specific setup
+        uses: ./.github/actions/go-test-setup
+        if: hashFiles('./.github/actions/go-test-setup') != ''
+      - name: Run tests
+        uses: protocol/multiple-go-modules@v1.2
+        with:
+          # Use -coverpkg=./..., so that we include cross-package coverage.
+          # If package ./A imports ./B, and ./A's tests also cover ./B,
+          # this means ./B's coverage will be significantly higher than 0%.
+          run: go test -v -coverprofile=module-coverage.txt -coverpkg=./... ./...
+      - name: Run tests (32 bit)
+        if: ${{ matrix.os != 'macos' }} # can't run 32 bit tests on OSX.
+        uses: protocol/multiple-go-modules@v1.2
+        env:
+          GOARCH: 386
+        with:
+          run: |
+            export "PATH=${{ env.PATH_386 }}:$PATH"
+            go test -v ./...
+      - name: Run tests with race detector
+        if: ${{ matrix.os == 'ubuntu' }} # speed things up. Windows and OSX VMs are slow
+        uses: protocol/multiple-go-modules@v1.2
+        with:
+          run: go test -v -race ./...
+      - name: Collect coverage files
+        shell: bash
+        run: echo "COVERAGES=$(find . -type f -name 'module-coverage.txt' | tr -s '\n' ',' | sed 's/,$//')" >> $GITHUB_ENV
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@f32b3a3741e1053eb607407145bc9619351dc93b # v2.1.0
+        with:
+          files: '${{ env.COVERAGES }}'
+          env_vars: OS=${{ matrix.os }}, GO=${{ matrix.go }}

.github/workflows/release-check.yml

@@ -0,0 +1,11 @@
+# File managed by web3-bot. DO NOT EDIT.
+# See https://github.com/protocol/.github/ for details.
+
+name: Release Checker
+on:
+  pull_request:
+    paths: [ 'version.json' ]
+
+jobs:
+  release-check:
+    uses: protocol/.github/.github/workflows/release-check.yml@master

.github/workflows/releaser.yml

@@ -0,0 +1,11 @@
+# File managed by web3-bot. DO NOT EDIT.
+# See https://github.com/protocol/.github/ for details.
+
+name: Releaser
+on:
+  push:
+    paths: [ 'version.json' ]
+
+jobs:
+  releaser:
+    uses: protocol/.github/.github/workflows/releaser.yml@master

.github/workflows/tagpush.yml

@@ -0,0 +1,12 @@
+# File managed by web3-bot. DO NOT EDIT.
+# See https://github.com/protocol/.github/ for details.
+
+name: Tag Push Checker
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  releaser:
+    uses: protocol/.github/.github/workflows/tagpush.yml@master

.gx/lastpubver

@@ -1 +0,0 @@
-1.4.24: QmeKD8YT7887Xu6Z86iZmpYNxrLogJexqxEugSmaf14k64

.travis.yml

@@ -1,22 +0,0 @@
-os:
-  - linux
-
-sudo: false
-
-language: go
-
-go:
-    - 1.9.x
-
-install:
-  - make deps
-
-script:
-  - bash <(curl -s https://raw.githubusercontent.com/ipfs/ci-helpers/master/travis-ci/run-standard-tests.sh)
-
-cache:
-    directories:
-        - $GOPATH/src/gx
-
-notifications:
-  email: false

Makefile

@@ -1,17 +0,0 @@
-export IPFS_API ?= v04x.ipfs.io
-
-gx:
-	go get github.com/whyrusleeping/gx
-	go get github.com/whyrusleeping/gx-go
-
-covertools:
-	go get github.com/mattn/goveralls
-	go get golang.org/x/tools/cmd/cover
-
-deps: gx covertools
-	gx --verbose install --global
-	gx-go rewrite
-
-publish:
-	gx-go rewrite --undo
-

README.md

@@ -1,10 +1,16 @@
-# go-libp2p-peer
-[![](https://img.shields.io/badge/made%20by-Protocol%20Labs-blue.svg?style=flat-square)](http://ipn.io)
-[![](https://img.shields.io/badge/project-IPFS-blue.svg?style=flat-square)](http://ipfs.io/)
-[![](https://img.shields.io/badge/freenode-%23ipfs-blue.svg?style=flat-square)](http://webchat.freenode.net/?channels=%23ipfs)
-[![GoDoc](https://godoc.org/github.com/libp2p/go-libp2p-peer?status.svg)](https://godoc.org/github.com/libp2p/go-libp2p-peerstore)
+# DEPRECATION NOTICE
+
+This package has moved into go-libp2p as a sub-package, `github.com/libp2p/go-libp2p/p2p/host/peerstore`.
+
+
+# go-libp2p-peerstore
+[![](https://img.shields.io/badge/made%20by-Protocol%20Labs-blue.svg?style=flat-square)](https://protocol.ai)
+[![](https://img.shields.io/badge/project-libp2p-yellow.svg?style=flat-square)](https://libp2p.io/)
+[![](https://img.shields.io/badge/freenode-%23libp2p-yellow.svg?style=flat-square)](http://webchat.freenode.net/?channels=%23libp2p)
+[![GoDoc](https://godoc.org/github.com/libp2p/go-libp2p-peerstore?status.svg)](https://godoc.org/github.com/libp2p/go-libp2p-peerstore)
 [![Coverage Status](https://coveralls.io/repos/github/libp2p/go-libp2p-peerstore/badge.svg?branch=master)](https://coveralls.io/github/libp2p/go-libp2p-peerstore?branch=master)
 [![Build Status](https://travis-ci.org/libp2p/go-libp2p-peerstore.svg?branch=master)](https://travis-ci.org/libp2p/go-libp2p-peerstore)
+[![Discourse posts](https://img.shields.io/discourse/https/discuss.libp2p.io/posts.svg)](https://discuss.libp2p.io)
 
 > An object to manage peers, their addresses, and other metadata about them.
 
@@ -20,13 +26,17 @@ Check out the [GoDocs](https://godoc.org/github.com/libp2p/go-libp2p-peerstore).
 
 ## Contribute
 
-Feel free to join in. All welcome. Open an [issue](https://github.com/ipfs/go-libp2p-peer/issues)!
+Feel free to join in. All welcome. Open an [issue](https://github.com/ipfs/go-libp2p-peerstore/issues)!
 
 This repository falls under the IPFS [Code of Conduct](https://github.com/ipfs/community/blob/master/code-of-conduct.md).
 
 ### Want to hack on IPFS?
 
-[![](https://cdn.rawgit.com/jbenet/contribute-ipfs-gif/master/img/contribute.gif)](https://github.com/ipfs/community/blob/master/contributing.md)
+[![](https://cdn.rawgit.com/jbenet/contribute-ipfs-gif/master/img/contribute.gif)](https://github.com/ipfs/community/blob/master/CONTRIBUTING.md)
 
 ## License
 MIT
+
+---
+
+The last gx published version of this module was: 2.0.19: QmaCTz9RkrU13bm9kMB54f7atgqM4qkjDZpRwRoJiWXEqs

addr/addrsrcs.go

@@ -1,70 +0,0 @@
-// Package addr provides utility functions to handle peer addresses.
-package addr
-
-import (
-	ma "github.com/multiformats/go-multiaddr"
-)
-
-// AddrSource is a source of addresses. It allows clients to retrieve
-// a set of addresses at a last possible moment in time. It is used
-// to query a set of addresses that may change over time, as a result
-// of the network changing interfaces or mappings.
-type Source interface {
-	Addrs() []ma.Multiaddr
-}
-
-// CombineSources returns a new AddrSource which is the
-// concatenation of all input AddrSources:
-//
-//   combined := CombinedSources(a, b)
-//   combined.Addrs() // append(a.Addrs(), b.Addrs()...)
-//
-func CombineSources(srcs ...Source) Source {
-	return combinedAS(srcs)
-}
-
-type combinedAS []Source
-
-func (cas combinedAS) Addrs() []ma.Multiaddr {
-	var addrs []ma.Multiaddr
-	for _, s := range cas {
-		addrs = append(addrs, s.Addrs()...)
-	}
-	return addrs
-}
-
-// UniqueSource returns a new AddrSource which omits duplicate
-// addresses from the inputs:
-//
-//   unique := UniqueSource(a, b)
-//   unique.Addrs() // append(a.Addrs(), b.Addrs()...)
-//                  // but only adds each addr once.
-//
-func UniqueSource(srcs ...Source) Source {
-	return uniqueAS(srcs)
-}
-
-type uniqueAS []Source
-
-func (uas uniqueAS) Addrs() []ma.Multiaddr {
-	seen := make(map[string]struct{})
-	var addrs []ma.Multiaddr
-	for _, s := range uas {
-		for _, a := range s.Addrs() {
-			s := a.String()
-			if _, found := seen[s]; !found {
-				addrs = append(addrs, a)
-				seen[s] = struct{}{}
-			}
-		}
-	}
-	return addrs
-}
-
-// Slice is a simple slice of addresses that implements
-// the AddrSource interface.
-type Slice []ma.Multiaddr
-
-func (as Slice) Addrs() []ma.Multiaddr {
-	return as
-}

addr/addrsrcs_test.go

@@ -1,78 +0,0 @@
-package addr
-
-import (
-	"fmt"
-	"testing"
-
-	ma "github.com/multiformats/go-multiaddr"
-)
-
-func newAddrOrFatal(t *testing.T, s string) ma.Multiaddr {
-	a, err := ma.NewMultiaddr(s)
-	if err != nil {
-		t.Fatal("error parsing multiaddr", err)
-	}
-	return a
-}
-
-func newAddrs(t *testing.T, n int) []ma.Multiaddr {
-	addrs := make([]ma.Multiaddr, n)
-	for i := 0; i < n; i++ {
-		s := fmt.Sprintf("/ip4/1.2.3.4/tcp/%d", i)
-		addrs[i] = newAddrOrFatal(t, s)
-	}
-	return addrs
-}
-
-func addrSetsSame(a, b []ma.Multiaddr) bool {
-	if len(a) != len(b) {
-		return false
-	}
-	for i, aa := range a {
-		bb := b[i]
-		if !aa.Equal(bb) {
-			return false
-		}
-	}
-	return true
-}
-
-func addrSourcesSame(a, b Source) bool {
-	return addrSetsSame(a.Addrs(), b.Addrs())
-}
-
-func TestAddrCombine(t *testing.T) {
-	addrs := newAddrs(t, 30)
-	a := Slice(addrs[0:10])
-	b := Slice(addrs[10:20])
-	c := Slice(addrs[20:30])
-	d := CombineSources(a, b, c)
-	if !addrSetsSame(addrs, d.Addrs()) {
-		t.Error("addrs differ")
-	}
-	if !addrSourcesSame(Slice(addrs), d) {
-		t.Error("addrs differ")
-	}
-}
-
-func TestAddrUnique(t *testing.T) {
-
-	addrs := newAddrs(t, 40)
-	a := Slice(addrs[0:20])
-	b := Slice(addrs[10:30])
-	c := Slice(addrs[20:40])
-	d := CombineSources(a, b, c)
-	e := UniqueSource(a, b, c)
-	if addrSetsSame(addrs, d.Addrs()) {
-		t.Error("addrs same")
-	}
-	if addrSourcesSame(Slice(addrs), d) {
-		t.Error("addrs same")
-	}
-	if !addrSetsSame(addrs, e.Addrs()) {
-		t.Error("addrs differ", addrs, "\n\n", e.Addrs(), "\n\n")
-	}
-	if !addrSourcesSame(Slice(addrs), e) {
-		t.Error("addrs differ", addrs, "\n\n", e.Addrs(), "\n\n")
-	}
-}

addr/sorting.go

@@ -1,62 +0,0 @@
-package addr
-
-import (
-	"bytes"
-
-	ma "github.com/multiformats/go-multiaddr"
-	manet "github.com/multiformats/go-multiaddr-net"
-	mafmt "github.com/whyrusleeping/mafmt"
-)
-
-func isFDCostlyTransport(a ma.Multiaddr) bool {
-	return mafmt.TCP.Matches(a)
-}
-
-type AddrList []ma.Multiaddr
-
-func (al AddrList) Len() int {
-	return len(al)
-}
-
-func (al AddrList) Swap(i, j int) {
-	al[i], al[j] = al[j], al[i]
-}
-
-func (al AddrList) Less(i, j int) bool {
-	a := al[i]
-	b := al[j]
-
-	// dial localhost addresses next, they should fail immediately
-	lba := manet.IsIPLoopback(a)
-	lbb := manet.IsIPLoopback(b)
-	if lba {
-		if !lbb {
-			return true
-		}
-	}
-
-	// dial utp and similar 'non-fd-consuming' addresses first
-	fda := isFDCostlyTransport(a)
-	fdb := isFDCostlyTransport(b)
-	if !fda {
-		if fdb {
-			return true
-		}
-
-		// if neither consume fd's, assume equal ordering
-		return false
-	}
-
-	// if 'b' doesnt take a file descriptor
-	if !fdb {
-		return false
-	}
-
-	// if 'b' is loopback and both take file descriptors
-	if lbb {
-		return false
-	}
-
-	// for the rest, just sort by bytes
-	return bytes.Compare(a.Bytes(), b.Bytes()) > 0
-}

addr/sorting_test.go

@@ -1,32 +0,0 @@
-package addr
-
-import (
-	"sort"
-	"testing"
-)
-
-func TestAddressSorting(t *testing.T) {
-	u1 := newAddrOrFatal(t, "/ip4/152.12.23.53/udp/1234/utp")
-	u2l := newAddrOrFatal(t, "/ip4/127.0.0.1/udp/1234/utp")
-	local := newAddrOrFatal(t, "/ip4/127.0.0.1/tcp/1234")
-	norm := newAddrOrFatal(t, "/ip4/6.5.4.3/tcp/1234")
-
-	l := AddrList{local, u1, u2l, norm}
-	sort.Sort(l)
-
-	if !l[0].Equal(u2l) {
-		t.Fatal("expected utp local addr to be sorted first: ", l[0])
-	}
-
-	if !l[1].Equal(u1) {
-		t.Fatal("expected utp addr to be sorted second")
-	}
-
-	if !l[2].Equal(local) {
-		t.Fatal("expected tcp localhost addr thid")
-	}
-
-	if !l[3].Equal(norm) {
-		t.Fatal("expected normal addr last")
-	}
-}

addr_manager.go

@@ -1,362 +0,0 @@
-package peerstore
-
-import (
-	"context"
-	"math"
-	"sort"
-	"sync"
-	"time"
-
-	peer "github.com/libp2p/go-libp2p-peer"
-	addr "github.com/libp2p/go-libp2p-peerstore/addr"
-	ma "github.com/multiformats/go-multiaddr"
-)
-
-var (
-
-	// TempAddrTTL is the ttl used for a short lived address
-	TempAddrTTL = time.Second * 10
-
-	// ProviderAddrTTL is the TTL of an address we've received from a provider.
-	// This is also a temporary address, but lasts longer. After this expires,
-	// the records we return will require an extra lookup.
-	ProviderAddrTTL = time.Minute * 10
-
-	// RecentlyConnectedAddrTTL is used when we recently connected to a peer.
-	// It means that we are reasonably certain of the peer's address.
-	RecentlyConnectedAddrTTL = time.Minute * 10
-
-	// OwnObservedAddrTTL is used for our own external addresses observed by peers.
-	OwnObservedAddrTTL = time.Minute * 10
-)
-
-// Permanent TTLs (distinct so we can distinguish between them, constant as they
-// are, in fact, permanent)
-const (
-	// PermanentAddrTTL is the ttl for a "permanent address" (e.g. bootstrap nodes).
-	PermanentAddrTTL = math.MaxInt64 - iota
-
-	// ConnectedAddrTTL is the ttl used for the addresses of a peer to whom
-	// we're connected directly. This is basically permanent, as we will
-	// clear them + re-add under a TempAddrTTL after disconnecting.
-	ConnectedAddrTTL
-)
-
-type expiringAddr struct {
-	Addr    ma.Multiaddr
-	TTL     time.Duration
-	Expires time.Time
-}
-
-func (e *expiringAddr) ExpiredBy(t time.Time) bool {
-	return t.After(e.Expires)
-}
-
-type addrSlice []expiringAddr
-
-// AddrManager manages addresses.
-// The zero-value is ready to be used.
-type AddrManager struct {
-	addrmu sync.Mutex // guards addrs
-	addrs  map[peer.ID]addrSlice
-
-	addrSubs map[peer.ID][]*addrSub
-}
-
-// ensures the AddrManager is initialized.
-// So we can use the zero value.
-func (mgr *AddrManager) init() {
-	if mgr.addrs == nil {
-		mgr.addrs = make(map[peer.ID]addrSlice)
-	}
-	if mgr.addrSubs == nil {
-		mgr.addrSubs = make(map[peer.ID][]*addrSub)
-	}
-}
-
-func (mgr *AddrManager) Peers() []peer.ID {
-	mgr.addrmu.Lock()
-	defer mgr.addrmu.Unlock()
-	if mgr.addrs == nil {
-		return nil
-	}
-
-	pids := make([]peer.ID, 0, len(mgr.addrs))
-	for pid := range mgr.addrs {
-		pids = append(pids, pid)
-	}
-	return pids
-}
-
-// AddAddr calls AddAddrs(p, []ma.Multiaddr{addr}, ttl)
-func (mgr *AddrManager) AddAddr(p peer.ID, addr ma.Multiaddr, ttl time.Duration) {
-	mgr.AddAddrs(p, []ma.Multiaddr{addr}, ttl)
-}
-
-// AddAddrs gives AddrManager addresses to use, with a given ttl
-// (time-to-live), after which the address is no longer valid.
-// If the manager has a longer TTL, the operation is a no-op for that address
-func (mgr *AddrManager) AddAddrs(p peer.ID, addrs []ma.Multiaddr, ttl time.Duration) {
-	mgr.addrmu.Lock()
-	defer mgr.addrmu.Unlock()
-
-	// if ttl is zero, exit. nothing to do.
-	if ttl <= 0 {
-		return
-	}
-
-	// so zero value can be used
-	mgr.init()
-
-	oldAddrs := mgr.addrs[p]
-	amap := make(map[string]expiringAddr, len(oldAddrs))
-	for _, ea := range oldAddrs {
-		amap[string(ea.Addr.Bytes())] = ea
-	}
-
-	subs := mgr.addrSubs[p]
-
-	// only expand ttls
-	exp := time.Now().Add(ttl)
-	for _, addr := range addrs {
-		if addr == nil {
-			log.Warningf("was passed nil multiaddr for %s", p)
-			continue
-		}
-
-		addrstr := string(addr.Bytes())
-		a, found := amap[addrstr]
-		if !found || exp.After(a.Expires) {
-			amap[addrstr] = expiringAddr{Addr: addr, Expires: exp, TTL: ttl}
-
-			for _, sub := range subs {
-				sub.pubAddr(addr)
-			}
-		}
-	}
-	newAddrs := make([]expiringAddr, 0, len(amap))
-	for _, ea := range amap {
-		newAddrs = append(newAddrs, ea)
-	}
-	mgr.addrs[p] = newAddrs
-}
-
-// SetAddr calls mgr.SetAddrs(p, addr, ttl)
-func (mgr *AddrManager) SetAddr(p peer.ID, addr ma.Multiaddr, ttl time.Duration) {
-	mgr.SetAddrs(p, []ma.Multiaddr{addr}, ttl)
-}
-
-// SetAddrs sets the ttl on addresses. This clears any TTL there previously.
-// This is used when we receive the best estimate of the validity of an address.
-func (mgr *AddrManager) SetAddrs(p peer.ID, addrs []ma.Multiaddr, ttl time.Duration) {
-	mgr.addrmu.Lock()
-	defer mgr.addrmu.Unlock()
-
-	// so zero value can be used
-	mgr.init()
-
-	oldAddrs := mgr.addrs[p]
-	amap := make(map[string]expiringAddr, len(oldAddrs))
-	for _, ea := range oldAddrs {
-		amap[string(ea.Addr.Bytes())] = ea
-	}
-
-	subs := mgr.addrSubs[p]
-
-	exp := time.Now().Add(ttl)
-	for _, addr := range addrs {
-		if addr == nil {
-			log.Warningf("was passed nil multiaddr for %s", p)
-			continue
-		}
-		// re-set all of them for new ttl.
-		addrs := string(addr.Bytes())
-
-		if ttl > 0 {
-			amap[addrs] = expiringAddr{Addr: addr, Expires: exp, TTL: ttl}
-
-			for _, sub := range subs {
-				sub.pubAddr(addr)
-			}
-		} else {
-			delete(amap, addrs)
-		}
-	}
-	newAddrs := make([]expiringAddr, 0, len(amap))
-	for _, ea := range amap {
-		newAddrs = append(newAddrs, ea)
-	}
-	mgr.addrs[p] = newAddrs
-}
-
-// UpdateAddrs updates the addresses associated with the given peer that have
-// the given oldTTL to have the given newTTL.
-func (mgr *AddrManager) UpdateAddrs(p peer.ID, oldTTL time.Duration, newTTL time.Duration) {
-	mgr.addrmu.Lock()
-	defer mgr.addrmu.Unlock()
-
-	if mgr.addrs == nil {
-		return
-	}
-
-	addrs, found := mgr.addrs[p]
-	if !found {
-		return
-	}
-
-	exp := time.Now().Add(newTTL)
-	for i := range addrs {
-		aexp := &addrs[i]
-		if oldTTL == aexp.TTL {
-			aexp.TTL = newTTL
-			aexp.Expires = exp
-		}
-	}
-}
-
-// Addresses returns all known (and valid) addresses for a given
-func (mgr *AddrManager) Addrs(p peer.ID) []ma.Multiaddr {
-	mgr.addrmu.Lock()
-	defer mgr.addrmu.Unlock()
-
-	// not initialized? nothing to give.
-	if mgr.addrs == nil {
-		return nil
-	}
-
-	maddrs, found := mgr.addrs[p]
-	if !found {
-		return nil
-	}
-
-	now := time.Now()
-	good := make([]ma.Multiaddr, 0, len(maddrs))
-	cleaned := make([]expiringAddr, 0, len(maddrs))
-	for _, m := range maddrs {
-		if !m.ExpiredBy(now) {
-			cleaned = append(cleaned, m)
-			good = append(good, m.Addr)
-		}
-	}
-
-	// clean up the expired ones.
-	if len(cleaned) == 0 {
-		delete(mgr.addrs, p)
-	} else {
-		mgr.addrs[p] = cleaned
-	}
-	return good
-}
-
-// ClearAddresses removes all previously stored addresses
-func (mgr *AddrManager) ClearAddrs(p peer.ID) {
-	mgr.addrmu.Lock()
-	defer mgr.addrmu.Unlock()
-	mgr.init()
-
-	delete(mgr.addrs, p)
-}
-
-func (mgr *AddrManager) removeSub(p peer.ID, s *addrSub) {
-	mgr.addrmu.Lock()
-	defer mgr.addrmu.Unlock()
-	subs := mgr.addrSubs[p]
-	if len(subs) == 1 {
-		if subs[0] != s {
-			return
-		}
-		delete(mgr.addrSubs, p)
-		return
-	}
-	for i, v := range subs {
-		if v == s {
-			subs[i] = subs[len(subs)-1]
-			subs[len(subs)-1] = nil
-			mgr.addrSubs[p] = subs[:len(subs)-1]
-			return
-		}
-	}
-}
-
-type addrSub struct {
-	pubch  chan ma.Multiaddr
-	lk     sync.Mutex
-	buffer []ma.Multiaddr
-	ctx    context.Context
-}
-
-func (s *addrSub) pubAddr(a ma.Multiaddr) {
-	select {
-	case s.pubch <- a:
-	case <-s.ctx.Done():
-	}
-}
-
-func (mgr *AddrManager) AddrStream(ctx context.Context, p peer.ID) <-chan ma.Multiaddr {
-	mgr.addrmu.Lock()
-	defer mgr.addrmu.Unlock()
-	mgr.init()
-
-	sub := &addrSub{pubch: make(chan ma.Multiaddr), ctx: ctx}
-
-	out := make(chan ma.Multiaddr)
-
-	mgr.addrSubs[p] = append(mgr.addrSubs[p], sub)
-
-	baseaddrslice := mgr.addrs[p]
-	initial := make([]ma.Multiaddr, 0, len(baseaddrslice))
-	for _, a := range baseaddrslice {
-		initial = append(initial, a.Addr)
-	}
-
-	sort.Sort(addr.AddrList(initial))
-
-	go func(buffer []ma.Multiaddr) {
-		defer close(out)
-
-		sent := make(map[string]bool, len(buffer))
-		var outch chan ma.Multiaddr
-
-		for _, a := range buffer {
-			sent[string(a.Bytes())] = true
-		}
-
-		var next ma.Multiaddr
-		if len(buffer) > 0 {
-			next = buffer[0]
-			buffer = buffer[1:]
-			outch = out
-		}
-
-		for {
-			select {
-			case outch <- next:
-				if len(buffer) > 0 {
-					next = buffer[0]
-					buffer = buffer[1:]
-				} else {
-					outch = nil
-					next = nil
-				}
-			case naddr := <-sub.pubch:
-				if sent[string(naddr.Bytes())] {
-					continue
-				}
-
-				sent[string(naddr.Bytes())] = true
-				if next == nil {
-					next = naddr
-					outch = out
-				} else {
-					buffer = append(buffer, naddr)
-				}
-			case <-ctx.Done():
-				mgr.removeSub(p, sub)
-				return
-			}
-		}
-
-	}(initial)
-
-	return out
-}

addr_manager_test.go

@@ -1,259 +0,0 @@
-package peerstore
-
-import (
-	"testing"
-	"time"
-
-	"github.com/libp2p/go-libp2p-peer"
-	ma "github.com/multiformats/go-multiaddr"
-)
-
-func IDS(t *testing.T, ids string) peer.ID {
-	t.Helper()
-	id, err := peer.IDB58Decode(ids)
-	if err != nil {
-		t.Fatalf("id %q is bad: %s", ids, err)
-	}
-	return id
-}
-
-func MA(t *testing.T, m string) ma.Multiaddr {
-	t.Helper()
-	maddr, err := ma.NewMultiaddr(m)
-	if err != nil {
-		t.Fatal(err)
-	}
-	return maddr
-}
-
-func testHas(t *testing.T, exp, act []ma.Multiaddr) {
-	t.Helper()
-	if len(exp) != len(act) {
-		t.Fatal("lengths not the same")
-	}
-
-	for _, a := range exp {
-		found := false
-
-		for _, b := range act {
-			if a.Equal(b) {
-				found = true
-				break
-			}
-		}
-
-		if !found {
-			t.Fatalf("expected address %s not found", a)
-		}
-	}
-}
-
-func TestAddresses(t *testing.T) {
-
-	id1 := IDS(t, "QmcNstKuwBBoVTpSCSDrwzjgrRcaYXK833Psuz2EMHwyQN")
-	id2 := IDS(t, "QmRmPL3FDZKE3Qiwv1RosLdwdvbvg17b2hB39QPScgWKKZ")
-	id3 := IDS(t, "QmPhi7vBsChP7sjRoZGgg7bcKqF6MmCcQwvRbDte8aJ6Kn")
-	id4 := IDS(t, "QmPhi7vBsChP7sjRoZGgg7bcKqF6MmCcQwvRbDte8aJ5Kn")
-	id5 := IDS(t, "QmPhi7vBsChP7sjRoZGgg7bcKqF6MmCcQwvRbDte8aJ5Km")
-
-	ma11 := MA(t, "/ip4/1.2.3.1/tcp/1111")
-	ma21 := MA(t, "/ip4/2.2.3.2/tcp/1111")
-	ma22 := MA(t, "/ip4/2.2.3.2/tcp/2222")
-	ma31 := MA(t, "/ip4/3.2.3.3/tcp/1111")
-	ma32 := MA(t, "/ip4/3.2.3.3/tcp/2222")
-	ma33 := MA(t, "/ip4/3.2.3.3/tcp/3333")
-	ma41 := MA(t, "/ip4/4.2.3.3/tcp/1111")
-	ma42 := MA(t, "/ip4/4.2.3.3/tcp/2222")
-	ma43 := MA(t, "/ip4/4.2.3.3/tcp/3333")
-	ma44 := MA(t, "/ip4/4.2.3.3/tcp/4444")
-	ma51 := MA(t, "/ip4/5.2.3.3/tcp/1111")
-	ma52 := MA(t, "/ip4/5.2.3.3/tcp/2222")
-	ma53 := MA(t, "/ip4/5.2.3.3/tcp/3333")
-	ma54 := MA(t, "/ip4/5.2.3.3/tcp/4444")
-	ma55 := MA(t, "/ip4/5.2.3.3/tcp/5555")
-
-	ttl := time.Hour
-	m := AddrManager{}
-	m.AddAddr(id1, ma11, ttl)
-
-	m.AddAddrs(id2, []ma.Multiaddr{ma21, ma22}, ttl)
-	m.AddAddrs(id2, []ma.Multiaddr{ma21, ma22}, ttl) // idempotency
-
-	m.AddAddr(id3, ma31, ttl)
-	m.AddAddr(id3, ma32, ttl)
-	m.AddAddr(id3, ma33, ttl)
-	m.AddAddr(id3, ma33, ttl) // idempotency
-	m.AddAddr(id3, ma33, ttl)
-
-	m.AddAddrs(id4, []ma.Multiaddr{ma41, ma42, ma43, ma44}, ttl) // multiple
-
-	m.AddAddrs(id5, []ma.Multiaddr{ma21, ma22}, ttl)             // clearing
-	m.AddAddrs(id5, []ma.Multiaddr{ma41, ma42, ma43, ma44}, ttl) // clearing
-	m.ClearAddrs(id5)
-	m.AddAddrs(id5, []ma.Multiaddr{ma51, ma52, ma53, ma54, ma55}, ttl) // clearing
-
-	if len(m.Peers()) != 5 {
-		t.Fatal("should have exactly two peers in the address book")
-	}
-
-	// test the Addresses return value
-	testHas(t, []ma.Multiaddr{ma11}, m.Addrs(id1))
-	testHas(t, []ma.Multiaddr{ma21, ma22}, m.Addrs(id2))
-	testHas(t, []ma.Multiaddr{ma31, ma32, ma33}, m.Addrs(id3))
-	testHas(t, []ma.Multiaddr{ma41, ma42, ma43, ma44}, m.Addrs(id4))
-	testHas(t, []ma.Multiaddr{ma51, ma52, ma53, ma54, ma55}, m.Addrs(id5))
-
-}
-
-func TestAddressesExpire(t *testing.T) {
-
-	id1 := IDS(t, "QmcNstKuwBBoVTpSCSDrwzjgrRcaYXK833Psuz2EMHwyQN")
-	id2 := IDS(t, "QmcNstKuwBBoVTpSCSDrwzjgrRcaYXK833Psuz2EMHwyQM")
-	ma11 := MA(t, "/ip4/1.2.3.1/tcp/1111")
-	ma12 := MA(t, "/ip4/2.2.3.2/tcp/2222")
-	ma13 := MA(t, "/ip4/3.2.3.3/tcp/3333")
-	ma24 := MA(t, "/ip4/4.2.3.3/tcp/4444")
-	ma25 := MA(t, "/ip4/5.2.3.3/tcp/5555")
-
-	m := AddrManager{}
-	m.AddAddr(id1, ma11, time.Hour)
-	m.AddAddr(id1, ma12, time.Hour)
-	m.AddAddr(id1, ma13, time.Hour)
-	m.AddAddr(id2, ma24, time.Hour)
-	m.AddAddr(id2, ma25, time.Hour)
-
-	if len(m.Peers()) != 2 {
-		t.Fatal("should have exactly two peers in the address book")
-	}
-
-	testHas(t, []ma.Multiaddr{ma11, ma12, ma13}, m.Addrs(id1))
-	testHas(t, []ma.Multiaddr{ma24, ma25}, m.Addrs(id2))
-
-	m.SetAddr(id1, ma11, 2*time.Hour)
-	m.SetAddr(id1, ma12, 2*time.Hour)
-	m.SetAddr(id1, ma13, 2*time.Hour)
-	m.SetAddr(id2, ma24, 2*time.Hour)
-	m.SetAddr(id2, ma25, 2*time.Hour)
-
-	testHas(t, []ma.Multiaddr{ma11, ma12, ma13}, m.Addrs(id1))
-	testHas(t, []ma.Multiaddr{ma24, ma25}, m.Addrs(id2))
-
-	m.SetAddr(id1, ma11, time.Millisecond)
-	<-time.After(time.Millisecond)
-	testHas(t, []ma.Multiaddr{ma12, ma13}, m.Addrs(id1))
-	testHas(t, []ma.Multiaddr{ma24, ma25}, m.Addrs(id2))
-
-	m.SetAddr(id1, ma13, time.Millisecond)
-	<-time.After(time.Millisecond)
-	testHas(t, []ma.Multiaddr{ma12}, m.Addrs(id1))
-	testHas(t, []ma.Multiaddr{ma24, ma25}, m.Addrs(id2))
-
-	m.SetAddr(id2, ma24, time.Millisecond)
-	<-time.After(time.Millisecond)
-	testHas(t, []ma.Multiaddr{ma12}, m.Addrs(id1))
-	testHas(t, []ma.Multiaddr{ma25}, m.Addrs(id2))
-
-	m.SetAddr(id2, ma25, time.Millisecond)
-	<-time.After(time.Millisecond)
-	testHas(t, []ma.Multiaddr{ma12}, m.Addrs(id1))
-	testHas(t, nil, m.Addrs(id2))
-
-	m.SetAddr(id1, ma12, time.Millisecond)
-	<-time.After(time.Millisecond)
-	testHas(t, nil, m.Addrs(id1))
-	testHas(t, nil, m.Addrs(id2))
-}
-
-func TestClearWorks(t *testing.T) {
-
-	id1 := IDS(t, "QmcNstKuwBBoVTpSCSDrwzjgrRcaYXK833Psuz2EMHwyQN")
-	id2 := IDS(t, "QmcNstKuwBBoVTpSCSDrwzjgrRcaYXK833Psuz2EMHwyQM")
-	ma11 := MA(t, "/ip4/1.2.3.1/tcp/1111")
-	ma12 := MA(t, "/ip4/2.2.3.2/tcp/2222")
-	ma13 := MA(t, "/ip4/3.2.3.3/tcp/3333")
-	ma24 := MA(t, "/ip4/4.2.3.3/tcp/4444")
-	ma25 := MA(t, "/ip4/5.2.3.3/tcp/5555")
-
-	m := AddrManager{}
-	m.AddAddr(id1, ma11, time.Hour)
-	m.AddAddr(id1, ma12, time.Hour)
-	m.AddAddr(id1, ma13, time.Hour)
-	m.AddAddr(id2, ma24, time.Hour)
-	m.AddAddr(id2, ma25, time.Hour)
-
-	testHas(t, []ma.Multiaddr{ma11, ma12, ma13}, m.Addrs(id1))
-	testHas(t, []ma.Multiaddr{ma24, ma25}, m.Addrs(id2))
-
-	m.ClearAddrs(id1)
-	m.ClearAddrs(id2)
-
-	testHas(t, nil, m.Addrs(id1))
-	testHas(t, nil, m.Addrs(id2))
-}
-
-func TestSetNegativeTTLClears(t *testing.T) {
-	id1 := IDS(t, "QmcNstKuwBBoVTpSCSDrwzjgrRcaYXK833Psuz2EMHwyQN")
-	ma11 := MA(t, "/ip4/1.2.3.1/tcp/1111")
-
-	m := AddrManager{}
-	m.SetAddr(id1, ma11, time.Hour)
-
-	testHas(t, []ma.Multiaddr{ma11}, m.Addrs(id1))
-
-	m.SetAddr(id1, ma11, -1)
-
-	testHas(t, nil, m.Addrs(id1))
-}
-
-func TestUpdateTTLs(t *testing.T) {
-	id1 := IDS(t, "QmcNstKuwBBoVTpSCSDrwzjgrRcaYXK833Psuz2EMHwyQN")
-	id2 := IDS(t, "QmcNstKuwBBoVTpSCSDrwzjgrRcaYXK833Psuz2EMHwyQM")
-	ma11 := MA(t, "/ip4/1.2.3.1/tcp/1111")
-	ma12 := MA(t, "/ip4/1.2.3.1/tcp/1112")
-	ma21 := MA(t, "/ip4/1.2.3.1/tcp/1121")
-	ma22 := MA(t, "/ip4/1.2.3.1/tcp/1122")
-
-	m := AddrManager{}
-
-	// Shouldn't panic.
-	m.UpdateAddrs(id1, time.Hour, time.Minute)
-
-	m.SetAddr(id1, ma11, time.Hour)
-	m.SetAddr(id1, ma12, time.Minute)
-
-	// Shouldn't panic.
-	m.UpdateAddrs(id2, time.Hour, time.Minute)
-
-	m.SetAddr(id2, ma21, time.Hour)
-	m.SetAddr(id2, ma22, time.Minute)
-
-	testHas(t, []ma.Multiaddr{ma11, ma12}, m.Addrs(id1))
-	testHas(t, []ma.Multiaddr{ma21, ma22}, m.Addrs(id2))
-
-	m.UpdateAddrs(id1, time.Hour, time.Millisecond)
-
-	testHas(t, []ma.Multiaddr{ma11, ma12}, m.Addrs(id1))
-	testHas(t, []ma.Multiaddr{ma21, ma22}, m.Addrs(id2))
-
-	time.Sleep(time.Millisecond)
-
-	testHas(t, []ma.Multiaddr{ma12}, m.Addrs(id1))
-	testHas(t, []ma.Multiaddr{ma21, ma22}, m.Addrs(id2))
-
-	m.UpdateAddrs(id2, time.Hour, time.Millisecond)
-
-	testHas(t, []ma.Multiaddr{ma12}, m.Addrs(id1))
-	testHas(t, []ma.Multiaddr{ma21, ma22}, m.Addrs(id2))
-
-	time.Sleep(time.Millisecond)
-
-	testHas(t, []ma.Multiaddr{ma12}, m.Addrs(id1))
-	testHas(t, []ma.Multiaddr{ma22}, m.Addrs(id2))
-}
-
-func TestNilAddrsDontBreak(t *testing.T) {
-	id1 := IDS(t, "QmcNstKuwBBoVTpSCSDrwzjgrRcaYXK833Psuz2EMHwyQN")
-	m := AddrManager{}
-	m.SetAddr(id1, nil, time.Hour)
-	m.AddAddr(id1, nil, time.Hour)
-}

codecov.yml

@@ -1,3 +0,0 @@
-coverage:
-  range: "50...100"
-comment: off

go.mod

@@ -0,0 +1,44 @@
+module github.com/libp2p/go-libp2p-peerstore
+
+go 1.17
+
+retract v0.2.9 // Contains backwards-incompatible changes. Use v0.3.0 instead.
+
+require (
+	github.com/ipfs/go-datastore v0.5.1
+	github.com/libp2p/go-libp2p v0.22.0
+)
+
+require (
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.1.0 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/hashicorp/golang-lru v0.5.4 // indirect
+	github.com/ipfs/go-cid v0.2.0 // indirect
+	github.com/ipfs/go-log/v2 v2.5.1 // indirect
+	github.com/jbenet/goprocess v0.1.4 // indirect
+	github.com/klauspost/cpuid/v2 v2.1.0 // indirect
+	github.com/libp2p/go-buffer-pool v0.1.0 // indirect
+	github.com/libp2p/go-openssl v0.1.0 // indirect
+	github.com/mattn/go-isatty v0.0.16 // indirect
+	github.com/mattn/go-pointer v0.0.1 // indirect
+	github.com/minio/sha256-simd v1.0.0 // indirect
+	github.com/mr-tron/base58 v1.2.0 // indirect
+	github.com/multiformats/go-base32 v0.0.4 // indirect
+	github.com/multiformats/go-base36 v0.1.0 // indirect
+	github.com/multiformats/go-multiaddr v0.6.0 // indirect
+	github.com/multiformats/go-multiaddr-fmt v0.1.0 // indirect
+	github.com/multiformats/go-multibase v0.1.1 // indirect
+	github.com/multiformats/go-multicodec v0.5.0 // indirect
+	github.com/multiformats/go-multihash v0.2.1 // indirect
+	github.com/multiformats/go-varint v0.0.6 // indirect
+	github.com/spacemonkeygo/spacelog v0.0.0-20180420211403-2296661a0572 // indirect
+	github.com/spaolacci/murmur3 v1.1.0 // indirect
+	go.uber.org/atomic v1.10.0 // indirect
+	go.uber.org/multierr v1.8.0 // indirect
+	go.uber.org/zap v1.22.0 // indirect
+	golang.org/x/crypto v0.0.0-20220525230936-793ad666bf5e // indirect
+	golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab // indirect
+	gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c // indirect
+	lukechampine.com/blake3 v1.1.7 // indirect
+)

go.sum

@@ -0,0 +1,937 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.31.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.37.0/go.mod h1:TS1dMSSfndXH133OKGwekG838Om/cQT0BUHV3HcBgoo=
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metrics.go

@@ -1,65 +1,25 @@
 package peerstore
 
 import (
-	"sync"
 	"time"
 
-	"github.com/libp2p/go-libp2p-peer"
+	"github.com/libp2p/go-libp2p/core/peer"
+	"github.com/libp2p/go-libp2p/p2p/host/peerstore"
 )
 
-// LatencyEWMASmooting governs the decay of the EWMA (the speed
+// LatencyEWMASmoothing governs the decay of the EWMA (the speed
 // at which it changes). This must be a normalized (0-1) value.
 // 1 is 100% change, 0 is no change.
-var LatencyEWMASmoothing = 0.1
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore.LatencyEWMASmoothing instead
+var LatencyEWMASmoothing = peerstore.LatencyEWMASmoothing
 
-// Metrics is just an object that tracks metrics
-// across a set of peers.
-type Metrics interface {
-
-	// RecordLatency records a new latency measurement
+type metrics interface {
 	RecordLatency(peer.ID, time.Duration)
-
-	// LatencyEWMA returns an exponentially-weighted moving avg.
-	// of all measurements of a peer's latency.
 	LatencyEWMA(peer.ID) time.Duration
+	RemovePeer(p peer.ID)
 }
 
-type metrics struct {
-	latmap map[peer.ID]time.Duration
-	latmu  sync.RWMutex
-}
-
-func NewMetrics() *metrics {
-	return &metrics{
-		latmap: make(map[peer.ID]time.Duration),
-	}
-}
-
-// RecordLatency records a new latency measurement
-func (m *metrics) RecordLatency(p peer.ID, next time.Duration) {
-	nextf := float64(next)
-	s := LatencyEWMASmoothing
-	if s > 1 || s < 0 {
-		s = 0.1 // ignore the knob. it's broken. look, it jiggles.
-	}
-
-	m.latmu.Lock()
-	ewma, found := m.latmap[p]
-	ewmaf := float64(ewma)
-	if !found {
-		m.latmap[p] = next // when no data, just take it as the mean.
-	} else {
-		nextf = ((1.0 - s) * ewmaf) + (s * nextf)
-		m.latmap[p] = time.Duration(nextf)
-	}
-	m.latmu.Unlock()
-}
-
-// LatencyEWMA returns an exponentially-weighted moving avg.
-// of all measurements of a peer's latency.
-func (m *metrics) LatencyEWMA(p peer.ID) time.Duration {
-	m.latmu.RLock()
-	lat := m.latmap[p]
-	m.latmu.RUnlock()
-	return time.Duration(lat)
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore.NewMetrics instead
+func NewMetrics() metrics {
+	return peerstore.NewMetrics()
 }

metrics_test.go

@@ -1,68 +0,0 @@
-package peerstore
-
-import (
-	"fmt"
-	"math"
-	"math/rand"
-	"testing"
-	"time"
-
-	testutil "github.com/libp2p/go-libp2p-peer/test"
-)
-
-func TestLatencyEWMAFun(t *testing.T) {
-	t.Skip("run it for fun")
-
-	m := NewMetrics()
-	id, err := testutil.RandPeerID()
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	mu := 100.0
-	sig := 10.0
-	next := func() time.Duration {
-		mu = (rand.NormFloat64() * sig) + mu
-		return time.Duration(mu)
-	}
-
-	print := func() {
-		fmt.Printf("%3.f %3.f --> %d\n", sig, mu, m.LatencyEWMA(id))
-	}
-
-	for {
-		select {
-		case <-time.After(200 * time.Millisecond):
-			m.RecordLatency(id, next())
-			print()
-		}
-	}
-}
-
-func TestLatencyEWMA(t *testing.T) {
-	m := NewMetrics()
-	id, err := testutil.RandPeerID()
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	exp := 100.0
-	mu := exp
-	sig := 10.0
-	next := func() time.Duration {
-		mu := (rand.NormFloat64() * sig) + mu
-		return time.Duration(mu)
-	}
-
-	for i := 0; i < 10; i++ {
-		select {
-		case <-time.After(200 * time.Millisecond):
-			m.RecordLatency(id, next())
-		}
-	}
-
-	lat := m.LatencyEWMA(id)
-	if math.Abs(exp-float64(lat)) > sig {
-		t.Fatal("latency outside of expected range: ", exp, lat, sig)
-	}
-}

package.json

@@ -1,66 +0,0 @@
-{
-  "author": "whyrusleeping",
-  "bugs": {
-    "url": "https://github.com/libp2p/go-libp2p-peerstore"
-  },
-  "gx": {
-    "dvcsimport": "github.com/libp2p/go-libp2p-peerstore"
-  },
-  "gxDependencies": [
-    {
-      "author": "whyrusleeping",
-      "hash": "QmRREK2CAZ5Re2Bd9zZFG6FeYDppUWt5cMgsoUEp3ktgSr",
-      "name": "go-log",
-      "version": "1.5.5"
-    },
-    {
-      "author": "whyrusleeping",
-      "hash": "QmYmsdtJ3HsodkePE3eU3TsCaP2YvPZJ4LoXnNkDE5Tpt7",
-      "name": "go-multiaddr",
-      "version": "1.3.0"
-    },
-    {
-      "author": "whyrusleeping",
-      "hash": "QmUusaX99BZoELh7dmPgirqRQ1FAmMnmnBn3oiqDFGBUSc",
-      "name": "go-keyspace",
-      "version": "1.0.0"
-    },
-    {
-      "author": "whyrusleeping",
-      "hash": "QmPvyPwuCgJ7pDmrKDxRtsScJgBaM5h4EpRL2qQJsmXf4n",
-      "name": "go-libp2p-crypto",
-      "version": "2.0.1"
-    },
-    {
-      "author": "jbenet",
-      "hash": "QmV6FjemM1K8oXjrvuq3wuVWWoU2TLDPmNnKrxHzY3v6Ai",
-      "name": "go-multiaddr-net",
-      "version": "1.6.3"
-    },
-    {
-      "author": "whyrusleeping",
-      "hash": "QmQscWDtDBDsWAM58aY6gU2KtxyFFmvvZgdfJExYPLgtXA",
-      "name": "mafmt",
-      "version": "1.2.7"
-    },
-    {
-      "author": "whyrusleeping",
-      "hash": "QmQsErDt8Qgw1XrsXf2BpEzDgGWtB1YLsTAARBup5b6B9W",
-      "name": "go-libp2p-peer",
-      "version": "2.3.7"
-    },
-    {
-      "author": "multiformats",
-      "hash": "QmPnFwZ2JXKnXgMw8CdBPxn7FWh6LLdjUjxV1fKHuJnkr8",
-      "name": "go-multihash",
-      "version": "1.0.8"
-    }
-  ],
-  "gxVersion": "0.4.0",
-  "language": "go",
-  "license": "MIT",
-  "name": "go-libp2p-peerstore",
-  "releaseCmd": "git commit -a -m \"gx publish $VERSION\"",
-  "version": "1.4.24"
-}
-

peerinfo.go

@@ -1,109 +0,0 @@
-package peerstore
-
-import (
-	"encoding/json"
-	"fmt"
-	"strings"
-
-	"github.com/libp2p/go-libp2p-peer"
-	ma "github.com/multiformats/go-multiaddr"
-)
-
-// PeerInfo is a small struct used to pass around a peer with
-// a set of addresses (and later, keys?). This is not meant to be
-// a complete view of the system, but rather to model updates to
-// the peerstore. It is used by things like the routing system.
-type PeerInfo struct {
-	ID    peer.ID
-	Addrs []ma.Multiaddr
-}
-
-var ErrInvalidAddr = fmt.Errorf("invalid p2p multiaddr")
-
-func InfoFromP2pAddr(m ma.Multiaddr) (*PeerInfo, error) {
-	if m == nil {
-		return nil, ErrInvalidAddr
-	}
-
-	// make sure it's an IPFS addr
-	parts := ma.Split(m)
-	if len(parts) < 1 {
-		return nil, ErrInvalidAddr
-	}
-
-	// TODO(lgierth): we shouldn't assume /ipfs is the last part
-	ipfspart := parts[len(parts)-1]
-	if ipfspart.Protocols()[0].Code != ma.P_IPFS {
-		return nil, ErrInvalidAddr
-	}
-
-	// make sure the /ipfs value parses as a peer.ID
-	peerIdParts := strings.Split(ipfspart.String(), "/")
-	peerIdStr := peerIdParts[len(peerIdParts)-1]
-	id, err := peer.IDB58Decode(peerIdStr)
-	if err != nil {
-		return nil, err
-	}
-
-	// we might have received just an /ipfs part, which means there's no addr.
-	var addrs []ma.Multiaddr
-	if len(parts) > 1 {
-		addrs = append(addrs, ma.Join(parts[:len(parts)-1]...))
-	}
-
-	return &PeerInfo{
-		ID:    id,
-		Addrs: addrs,
-	}, nil
-}
-
-func InfoToP2pAddrs(pi *PeerInfo) ([]ma.Multiaddr, error) {
-	addrs := []ma.Multiaddr{}
-	tpl := "/" + ma.ProtocolWithCode(ma.P_IPFS).Name + "/"
-	for _, addr := range pi.Addrs {
-		p2paddr, err := ma.NewMultiaddr(tpl + peer.IDB58Encode(pi.ID))
-		if err != nil {
-			return nil, err
-		}
-		addrs = append(addrs, addr.Encapsulate(p2paddr))
-	}
-	return addrs, nil
-}
-
-func (pi *PeerInfo) Loggable() map[string]interface{} {
-	return map[string]interface{}{
-		"peerID": pi.ID.Pretty(),
-		"addrs":  pi.Addrs,
-	}
-}
-
-func (pi *PeerInfo) MarshalJSON() ([]byte, error) {
-	out := make(map[string]interface{})
-	out["ID"] = pi.ID.Pretty()
-	var addrs []string
-	for _, a := range pi.Addrs {
-		addrs = append(addrs, a.String())
-	}
-	out["Addrs"] = addrs
-	return json.Marshal(out)
-}
-
-func (pi *PeerInfo) UnmarshalJSON(b []byte) error {
-	var data map[string]interface{}
-	err := json.Unmarshal(b, &data)
-	if err != nil {
-		return err
-	}
-	pid, err := peer.IDB58Decode(data["ID"].(string))
-	if err != nil {
-		return err
-	}
-	pi.ID = pid
-	addrs, ok := data["Addrs"].([]interface{})
-	if ok {
-		for _, a := range addrs {
-			pi.Addrs = append(pi.Addrs, ma.StringCast(a.(string)))
-		}
-	}
-	return nil
-}

peerinfo_test.go

@@ -1,149 +0,0 @@
-package peerstore
-
-import (
-	"testing"
-
-	peer "github.com/libp2p/go-libp2p-peer"
-	ma "github.com/multiformats/go-multiaddr"
-)
-
-func mustAddr(t *testing.T, s string) ma.Multiaddr {
-	addr, err := ma.NewMultiaddr(s)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	return addr
-}
-
-func TestPeerInfoMarshal(t *testing.T) {
-	a := mustAddr(t, "/ip4/1.2.3.4/tcp/4536")
-	b := mustAddr(t, "/ip4/1.2.3.8/udp/7777")
-	id, err := peer.IDB58Decode("QmaCpDMGvV2BGHeYERUEnRQAwe3N8SzbUtfsmvsqQLuvuJ")
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	pi := &PeerInfo{
-		ID:    id,
-		Addrs: []ma.Multiaddr{a, b},
-	}
-
-	data, err := pi.MarshalJSON()
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	pi2 := new(PeerInfo)
-	if err := pi2.UnmarshalJSON(data); err != nil {
-		t.Fatal(err)
-	}
-
-	if pi2.ID != pi.ID {
-		t.Fatal("ids didnt match after marshal")
-	}
-
-	if !pi.Addrs[0].Equal(pi2.Addrs[0]) {
-		t.Fatal("wrong addrs")
-	}
-
-	if !pi.Addrs[1].Equal(pi2.Addrs[1]) {
-		t.Fatal("wrong addrs")
-	}
-
-	lgbl := pi2.Loggable()
-	if lgbl["peerID"] != id.Pretty() {
-		t.Fatal("loggables gave wrong peerID output")
-	}
-}
-
-func TestP2pAddrParsing(t *testing.T) {
-	id, err := peer.IDB58Decode("QmaCpDMGvV2BGHeYERUEnRQAwe3N8SzbUtfsmvsqQLuvuJ")
-	if err != nil {
-		t.Error(err)
-	}
-	addr := ma.StringCast("/ip4/1.2.3.4/tcp/4536")
-	p2paddr := ma.Join(addr, ma.StringCast("/ipfs/"+peer.IDB58Encode(id)))
-
-	pinfo, err := InfoFromP2pAddr(p2paddr)
-	if err != nil {
-		t.Error(err)
-	}
-
-	if pinfo.ID != id {
-		t.Fatalf("expected PeerID [%s], got [%s]", id, pinfo.ID)
-	}
-
-	if len(pinfo.Addrs) != 1 {
-		t.Fatalf("expected 1 addr, got %d", len(pinfo.Addrs))
-	}
-
-	if !addr.Equal(pinfo.Addrs[0]) {
-		t.Fatalf("expected addr [%s], got [%s]", addr, pinfo.Addrs[0])
-	}
-
-	addr = ma.StringCast("/ipfs/" + peer.IDB58Encode(id))
-	pinfo, err = InfoFromP2pAddr(addr)
-	if err != nil {
-		t.Error(err)
-	}
-
-	if pinfo.ID != id {
-		t.Fatalf("expected PeerID [%s], got [%s]", id, pinfo.ID)
-	}
-
-	if len(pinfo.Addrs) > 0 {
-		t.Fatalf("expected 0 addrs, got %d", len(pinfo.Addrs))
-	}
-
-	addr = ma.StringCast("/ip4/1.2.3.4/tcp/4536")
-	pinfo, err = InfoFromP2pAddr(addr)
-	if err == nil {
-		t.Fatalf("expected error, got none")
-	}
-
-	addr = ma.StringCast("/ip4/1.2.3.4/tcp/4536/http")
-	pinfo, err = InfoFromP2pAddr(addr)
-	if err == nil {
-		t.Fatalf("expected error, got none")
-	}
-}
-
-func TestP2pAddrConstruction(t *testing.T) {
-	id, err := peer.IDB58Decode("QmaCpDMGvV2BGHeYERUEnRQAwe3N8SzbUtfsmvsqQLuvuJ")
-	if err != nil {
-		t.Error(err)
-	}
-	addr := ma.StringCast("/ip4/1.2.3.4/tcp/4536")
-	p2paddr := ma.Join(addr, ma.StringCast("/ipfs/"+peer.IDB58Encode(id)))
-
-	pi := &PeerInfo{ID: id, Addrs: []ma.Multiaddr{addr}}
-	p2paddrs, err := InfoToP2pAddrs(pi)
-	if err != nil {
-		t.Error(err)
-	}
-
-	if len(p2paddrs) != 1 {
-		t.Fatalf("expected 1 addr, got %d", len(p2paddrs))
-	}
-
-	if !p2paddr.Equal(p2paddrs[0]) {
-		t.Fatalf("expected [%s], got [%s]", p2paddr, p2paddrs[0])
-	}
-
-	pi = &PeerInfo{ID: id}
-	p2paddrs, err = InfoToP2pAddrs(pi)
-	if err != nil {
-		t.Error(err)
-	}
-
-	if len(p2paddrs) > 0 {
-		t.Fatalf("expected 0 addrs, got %d", len(p2paddrs))
-	}
-
-	pi = &PeerInfo{Addrs: []ma.Multiaddr{ma.StringCast("/ip4/1.2.3.4/tcp/4536")}}
-	_, err = InfoToP2pAddrs(pi)
-	if err == nil {
-		t.Fatalf("expected error, got none")
-	}
-}

peerstore.go

@@ -1,344 +1,18 @@
+// Deprecated: This package has moved into go-libp2p as a sub-package: github.com/libp2p/go-libp2p/p2p/host/peerstore.
 package peerstore
 
 import (
-	"context"
-	"errors"
-	"fmt"
-	"sync"
-	"time"
-
-	ic "github.com/libp2p/go-libp2p-crypto"
-
-	//ds "github.com/jbenet/go-datastore"
-	//dssync "github.com/jbenet/go-datastore/sync"
-	logging "github.com/ipfs/go-log"
-	"github.com/libp2p/go-libp2p-peer"
-	ma "github.com/multiformats/go-multiaddr"
+	"github.com/libp2p/go-libp2p/core/peer"
+	pstore "github.com/libp2p/go-libp2p/core/peerstore"
+	"github.com/libp2p/go-libp2p/p2p/host/peerstore"
 )
 
-var log = logging.Logger("peerstore")
-
-const (
-	// AddressTTL is the expiration time of addresses.
-	AddressTTL = time.Hour
-)
-
-// Peerstore provides a threadsafe store of Peer related
-// information.
-type Peerstore interface {
-	AddrBook
-	KeyBook
-	Metrics
-
-	// Peers returns a list of all peer.IDs in this Peerstore
-	Peers() []peer.ID
-
-	// PeerInfo returns a peer.PeerInfo struct for given peer.ID.
-	// This is a small slice of the information Peerstore has on
-	// that peer, useful to other services.
-	PeerInfo(peer.ID) PeerInfo
-
-	// Get/Put is a simple registry for other peer-related key/value pairs.
-	// if we find something we use often, it should become its own set of
-	// methods. this is a last resort.
-	Get(id peer.ID, key string) (interface{}, error)
-	Put(id peer.ID, key string, val interface{}) error
-
-	GetProtocols(peer.ID) ([]string, error)
-	AddProtocols(peer.ID, ...string) error
-	SetProtocols(peer.ID, ...string) error
-	SupportsProtocols(peer.ID, ...string) ([]string, error)
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore.PeerInfos instead
+func PeerInfos(ps pstore.Peerstore, peers peer.IDSlice) []peer.AddrInfo {
+	return peerstore.PeerInfos(ps, peers)
 }
 
-// AddrBook is an interface that fits the new AddrManager. I'm patching
-// it up in here to avoid changing a ton of the codebase.
-type AddrBook interface {
-
-	// AddAddr calls AddAddrs(p, []ma.Multiaddr{addr}, ttl)
-	AddAddr(p peer.ID, addr ma.Multiaddr, ttl time.Duration)
-
-	// AddAddrs gives AddrManager addresses to use, with a given ttl
-	// (time-to-live), after which the address is no longer valid.
-	// If the manager has a longer TTL, the operation is a no-op for that address
-	AddAddrs(p peer.ID, addrs []ma.Multiaddr, ttl time.Duration)
-
-	// SetAddr calls mgr.SetAddrs(p, addr, ttl)
-	SetAddr(p peer.ID, addr ma.Multiaddr, ttl time.Duration)
-
-	// SetAddrs sets the ttl on addresses. This clears any TTL there previously.
-	// This is used when we receive the best estimate of the validity of an address.
-	SetAddrs(p peer.ID, addrs []ma.Multiaddr, ttl time.Duration)
-
-	// UpdateAddrs updates the addresses associated with the given peer that have
-	// the given oldTTL to have the given newTTL.
-	UpdateAddrs(p peer.ID, oldTTL time.Duration, newTTL time.Duration)
-
-	// Addresses returns all known (and valid) addresses for a given peer
-	Addrs(p peer.ID) []ma.Multiaddr
-
-	// AddrStream returns a channel that gets all addresses for a given
-	// peer sent on it. If new addresses are added after the call is made
-	// they will be sent along through the channel as well.
-	AddrStream(context.Context, peer.ID) <-chan ma.Multiaddr
-
-	// ClearAddresses removes all previously stored addresses
-	ClearAddrs(p peer.ID)
-}
-
-// KeyBook tracks the Public keys of Peers.
-type KeyBook interface {
-	PubKey(peer.ID) ic.PubKey
-	AddPubKey(peer.ID, ic.PubKey) error
-
-	PrivKey(peer.ID) ic.PrivKey
-	AddPrivKey(peer.ID, ic.PrivKey) error
-}
-
-type keybook struct {
-	pks map[peer.ID]ic.PubKey
-	sks map[peer.ID]ic.PrivKey
-
-	sync.RWMutex // same lock. wont happen a ton.
-}
-
-func newKeybook() *keybook {
-	return &keybook{
-		pks: map[peer.ID]ic.PubKey{},
-		sks: map[peer.ID]ic.PrivKey{},
-	}
-}
-
-func (kb *keybook) Peers() []peer.ID {
-	kb.RLock()
-	ps := make([]peer.ID, 0, len(kb.pks)+len(kb.sks))
-	for p := range kb.pks {
-		ps = append(ps, p)
-	}
-	for p := range kb.sks {
-		if _, found := kb.pks[p]; !found {
-			ps = append(ps, p)
-		}
-	}
-	kb.RUnlock()
-	return ps
-}
-
-func (kb *keybook) PubKey(p peer.ID) ic.PubKey {
-	kb.RLock()
-	pk := kb.pks[p]
-	kb.RUnlock()
-	if pk != nil {
-		return pk
-	}
-	pk, err := p.ExtractPublicKey()
-	if err == nil && pk != nil {
-		kb.Lock()
-		kb.pks[p] = pk
-		kb.Unlock()
-	}
-	return pk
-}
-
-func (kb *keybook) AddPubKey(p peer.ID, pk ic.PubKey) error {
-
-	// check it's correct first
-	if !p.MatchesPublicKey(pk) {
-		return errors.New("ID does not match PublicKey")
-	}
-
-	kb.Lock()
-	kb.pks[p] = pk
-	kb.Unlock()
-	return nil
-}
-
-func (kb *keybook) PrivKey(p peer.ID) ic.PrivKey {
-	kb.RLock()
-	sk := kb.sks[p]
-	kb.RUnlock()
-	return sk
-}
-
-func (kb *keybook) AddPrivKey(p peer.ID, sk ic.PrivKey) error {
-
-	if sk == nil {
-		return errors.New("sk is nil (PrivKey)")
-	}
-
-	// check it's correct first
-	if !p.MatchesPrivateKey(sk) {
-		return errors.New("ID does not match PrivateKey")
-	}
-
-	kb.Lock()
-	kb.sks[p] = sk
-	kb.Unlock()
-	return nil
-}
-
-type peerstore struct {
-	*keybook
-	*metrics
-	AddrManager
-
-	// store other data, like versions
-	//ds ds.ThreadSafeDatastore
-	// TODO: use a datastore for this
-	ds     map[string]interface{}
-	dslock sync.Mutex
-
-	// lock for protocol information, separate from datastore lock
-	protolock sync.Mutex
-}
-
-// NewPeerstore creates a threadsafe collection of peers.
-func NewPeerstore() Peerstore {
-	return &peerstore{
-		keybook:     newKeybook(),
-		metrics:     NewMetrics(),
-		AddrManager: AddrManager{},
-		//ds:          dssync.MutexWrap(ds.NewMapDatastore()),
-		ds: make(map[string]interface{}),
-	}
-}
-
-func (ps *peerstore) Put(p peer.ID, key string, val interface{}) error {
-	//dsk := ds.NewKey(string(p) + "/" + key)
-	//return ps.ds.Put(dsk, val)
-	ps.dslock.Lock()
-	defer ps.dslock.Unlock()
-	ps.ds[string(p)+"/"+key] = val
-	return nil
-}
-
-var ErrNotFound = errors.New("item not found")
-
-func (ps *peerstore) Get(p peer.ID, key string) (interface{}, error) {
-	//dsk := ds.NewKey(string(p) + "/" + key)
-	//return ps.ds.Get(dsk)
-
-	ps.dslock.Lock()
-	defer ps.dslock.Unlock()
-	i, ok := ps.ds[string(p)+"/"+key]
-	if !ok {
-		return nil, ErrNotFound
-	}
-	return i, nil
-}
-
-func (ps *peerstore) Peers() []peer.ID {
-	set := map[peer.ID]struct{}{}
-	for _, p := range ps.keybook.Peers() {
-		set[p] = struct{}{}
-	}
-	for _, p := range ps.AddrManager.Peers() {
-		set[p] = struct{}{}
-	}
-
-	pps := make([]peer.ID, 0, len(set))
-	for p := range set {
-		pps = append(pps, p)
-	}
-	return pps
-}
-
-func (ps *peerstore) PeerInfo(p peer.ID) PeerInfo {
-	return PeerInfo{
-		ID:    p,
-		Addrs: ps.AddrManager.Addrs(p),
-	}
-}
-
-func (ps *peerstore) SetProtocols(p peer.ID, protos ...string) error {
-	ps.protolock.Lock()
-	defer ps.protolock.Unlock()
-
-	protomap := make(map[string]struct{})
-	for _, proto := range protos {
-		protomap[proto] = struct{}{}
-	}
-
-	return ps.Put(p, "protocols", protomap)
-}
-
-func (ps *peerstore) AddProtocols(p peer.ID, protos ...string) error {
-	ps.protolock.Lock()
-	defer ps.protolock.Unlock()
-	protomap, err := ps.getProtocolMap(p)
-	if err != nil {
-		return err
-	}
-
-	for _, proto := range protos {
-		protomap[proto] = struct{}{}
-	}
-
-	return ps.Put(p, "protocols", protomap)
-}
-
-func (ps *peerstore) getProtocolMap(p peer.ID) (map[string]struct{}, error) {
-	iprotomap, err := ps.Get(p, "protocols")
-	switch err {
-	default:
-		return nil, err
-	case ErrNotFound:
-		return make(map[string]struct{}), nil
-	case nil:
-		cast, ok := iprotomap.(map[string]struct{})
-		if !ok {
-			return nil, fmt.Errorf("stored protocol set was not a map")
-		}
-
-		return cast, nil
-	}
-}
-
-func (ps *peerstore) GetProtocols(p peer.ID) ([]string, error) {
-	ps.protolock.Lock()
-	defer ps.protolock.Unlock()
-	pmap, err := ps.getProtocolMap(p)
-	if err != nil {
-		return nil, err
-	}
-
-	var out []string
-	for k, _ := range pmap {
-		out = append(out, k)
-	}
-
-	return out, nil
-}
-
-func (ps *peerstore) SupportsProtocols(p peer.ID, protos ...string) ([]string, error) {
-	ps.protolock.Lock()
-	defer ps.protolock.Unlock()
-	pmap, err := ps.getProtocolMap(p)
-	if err != nil {
-		return nil, err
-	}
-
-	var out []string
-	for _, proto := range protos {
-		if _, ok := pmap[proto]; ok {
-			out = append(out, proto)
-		}
-	}
-
-	return out, nil
-}
-
-func PeerInfos(ps Peerstore, peers []peer.ID) []PeerInfo {
-	pi := make([]PeerInfo, len(peers))
-	for i, p := range peers {
-		pi[i] = ps.PeerInfo(p)
-	}
-	return pi
-}
-
-func PeerInfoIDs(pis []PeerInfo) []peer.ID {
-	ps := make([]peer.ID, len(pis))
-	for i, pi := range pis {
-		ps[i] = pi.ID
-	}
-	return ps
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore.PeerInfoIDs instead
+func PeerInfoIDs(pis []peer.AddrInfo) peer.IDSlice {
+	return peerstore.PeerInfoIDs(pis)
 }

peerstore_test.go

@@ -1,271 +0,0 @@
-package peerstore
-
-import (
-	"context"
-	"fmt"
-	"math/rand"
-	"sort"
-	"testing"
-	"time"
-
-	peer "github.com/libp2p/go-libp2p-peer"
-	ma "github.com/multiformats/go-multiaddr"
-)
-
-func getAddrs(t *testing.T, n int) []ma.Multiaddr {
-	var addrs []ma.Multiaddr
-	for i := 0; i < n; i++ {
-		a, err := ma.NewMultiaddr(fmt.Sprintf("/ip4/127.0.0.1/tcp/%d", i))
-		if err != nil {
-			t.Fatal(err)
-		}
-
-		addrs = append(addrs, a)
-	}
-	return addrs
-}
-
-func TestAddrStream(t *testing.T) {
-	addrs := getAddrs(t, 100)
-
-	pid := peer.ID("testpeer")
-
-	ps := NewPeerstore()
-
-	ps.AddAddrs(pid, addrs[:10], time.Hour)
-
-	ctx, cancel := context.WithCancel(context.Background())
-
-	addrch := ps.AddrStream(ctx, pid)
-
-	// while that subscription is active, publish ten more addrs
-	// this tests that it doesnt hang
-	for i := 10; i < 20; i++ {
-		ps.AddAddr(pid, addrs[i], time.Hour)
-	}
-
-	// now receive them (without hanging)
-	timeout := time.After(time.Second * 10)
-	for i := 0; i < 20; i++ {
-		select {
-		case <-addrch:
-		case <-timeout:
-			t.Fatal("timed out")
-		}
-	}
-
-	// start a second stream
-	ctx2, cancel2 := context.WithCancel(context.Background())
-	addrch2 := ps.AddrStream(ctx2, pid)
-
-	done := make(chan struct{})
-	go func() {
-		defer close(done)
-		// now send the rest of the addresses
-		for _, a := range addrs[20:80] {
-			ps.AddAddr(pid, a, time.Hour)
-		}
-	}()
-
-	// receive some concurrently with the goroutine
-	timeout = time.After(time.Second * 10)
-	for i := 0; i < 40; i++ {
-		select {
-		case <-addrch:
-		case <-timeout:
-		}
-	}
-
-	<-done
-
-	// receive some more after waiting for that goroutine to complete
-	timeout = time.After(time.Second * 10)
-	for i := 0; i < 20; i++ {
-		select {
-		case <-addrch:
-		case <-timeout:
-		}
-	}
-
-	// now cancel it
-	cancel()
-
-	// now check the *second* subscription. We should see 80 addresses.
-	for i := 0; i < 80; i++ {
-		<-addrch2
-	}
-
-	cancel2()
-
-	// and add a few more addresses it doesnt hang afterwards
-	for _, a := range addrs[80:] {
-		ps.AddAddr(pid, a, time.Hour)
-	}
-}
-
-func TestGetStreamBeforePeerAdded(t *testing.T) {
-	addrs := getAddrs(t, 10)
-	pid := peer.ID("testpeer")
-
-	ps := NewPeerstore()
-
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-
-	ach := ps.AddrStream(ctx, pid)
-
-	for i := 0; i < 10; i++ {
-		ps.AddAddr(pid, addrs[i], time.Hour)
-	}
-
-	received := make(map[string]bool)
-	var count int
-
-	for i := 0; i < 10; i++ {
-		a, ok := <-ach
-		if !ok {
-			t.Fatal("channel shouldnt be closed yet")
-		}
-		if a == nil {
-			t.Fatal("got a nil address, thats weird")
-		}
-		count++
-		if received[a.String()] {
-			t.Fatal("received duplicate address")
-		}
-		received[a.String()] = true
-	}
-
-	select {
-	case <-ach:
-		t.Fatal("shouldnt have received any more addresses")
-	default:
-	}
-
-	if count != 10 {
-		t.Fatal("should have received exactly ten addresses, got ", count)
-	}
-
-	for _, a := range addrs {
-		if !received[a.String()] {
-			t.Log(received)
-			t.Fatalf("expected to receive address %s but didnt", a)
-		}
-	}
-}
-
-func TestAddrStreamDuplicates(t *testing.T) {
-	addrs := getAddrs(t, 10)
-	pid := peer.ID("testpeer")
-
-	ps := NewPeerstore()
-
-	ctx, cancel := context.WithCancel(context.Background())
-	defer cancel()
-	ach := ps.AddrStream(ctx, pid)
-
-	go func() {
-		for i := 0; i < 10; i++ {
-			ps.AddAddr(pid, addrs[i], time.Hour)
-			ps.AddAddr(pid, addrs[rand.Intn(10)], time.Hour)
-		}
-
-		// make sure that all addresses get processed before context is cancelled
-		time.Sleep(time.Millisecond * 50)
-		cancel()
-	}()
-
-	received := make(map[string]bool)
-	var count int
-	for a := range ach {
-		if a == nil {
-			t.Fatal("got a nil address, thats weird")
-		}
-		count++
-		if received[a.String()] {
-			t.Fatal("received duplicate address")
-		}
-		received[a.String()] = true
-	}
-
-	if count != 10 {
-		t.Fatal("should have received exactly ten addresses")
-	}
-}
-
-func TestPeerstoreProtoStore(t *testing.T) {
-	ps := NewPeerstore()
-	p1 := peer.ID("TESTPEER")
-
-	protos := []string{"a", "b", "c", "d"}
-
-	err := ps.AddProtocols(p1, protos...)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	out, err := ps.GetProtocols(p1)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if len(out) != len(protos) {
-		t.Fatal("got wrong number of protocols back")
-	}
-
-	sort.Strings(out)
-	for i, p := range protos {
-		if out[i] != p {
-			t.Fatal("got wrong protocol")
-		}
-	}
-
-	supported, err := ps.SupportsProtocols(p1, "q", "w", "a", "y", "b")
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if len(supported) != 2 {
-		t.Fatal("only expected 2 supported")
-	}
-
-	if supported[0] != "a" || supported[1] != "b" {
-		t.Fatal("got wrong supported array: ", supported)
-	}
-
-	err = ps.SetProtocols(p1, "other")
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	supported, err = ps.SupportsProtocols(p1, "q", "w", "a", "y", "b")
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if len(supported) != 0 {
-		t.Fatal("none of those protocols should have been supported")
-	}
-}
-
-func TestBasicPeerstore(t *testing.T) {
-	ps := NewPeerstore()
-
-	var pids []peer.ID
-	addrs := getAddrs(t, 10)
-	for i, a := range addrs {
-		p := peer.ID(fmt.Sprint(i))
-		pids = append(pids, p)
-		ps.AddAddr(p, a, PermanentAddrTTL)
-	}
-
-	peers := ps.Peers()
-	if len(peers) != 10 {
-		t.Fatal("expected ten peers")
-	}
-
-	pinfo := ps.PeerInfo(pids[0])
-	if !pinfo.Addrs[0].Equal(addrs[0]) {
-		t.Fatal("stored wrong address")
-	}
-}

pstoreds/addr_book.go

@@ -0,0 +1,35 @@
+package pstoreds
+
+import (
+	"context"
+
+	pstore "github.com/libp2p/go-libp2p/core/peerstore"
+	"github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoreds"
+
+	ds "github.com/ipfs/go-datastore"
+)
+
+// NewAddrBook initializes a new datastore-backed address book. It serves as a drop-in replacement for pstoremem
+// (memory-backed peerstore), and works with any datastore implementing the ds.Batching interface.
+//
+// Addresses and peer records are serialized into protobuf, storing one datastore entry per peer, along with metadata
+// to control address expiration. To alleviate disk access and serde overhead, we internally use a read/write-through
+// ARC cache, the size of which is adjustable via Options.CacheSize.
+//
+// The user has a choice of two GC algorithms:
+//
+//   - lookahead GC: minimises the amount of full store traversals by maintaining a time-indexed list of entries that
+//     need to be visited within the period specified in Options.GCLookaheadInterval. This is useful in scenarios with
+//     considerable TTL variance, coupled with datastores whose native iterators return entries in lexicographical key
+//     order. Enable this mode by passing a value Options.GCLookaheadInterval > 0. Lookahead windows are jumpy, not
+//     sliding. Purges operate exclusively over the lookahead window with periodicity Options.GCPurgeInterval.
+//
+//   - full-purge GC (default): performs a full visit of the store with periodicity Options.GCPurgeInterval. Useful when
+//     the range of possible TTL values is small and the values themselves are also extreme, e.g. 10 minutes or
+//     permanent, popular values used in other libp2p modules. In this cited case, optimizing with lookahead windows
+//     makes little sense.
+//
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoreds.NewAddrBook instead
+func NewAddrBook(ctx context.Context, store ds.Batching, opts Options) (pstore.AddrBook, error) {
+	return pstoreds.NewAddrBook(ctx, store, opts)
+}

pstoreds/keybook.go

@@ -0,0 +1,14 @@
+package pstoreds
+
+import (
+	"context"
+
+	ds "github.com/ipfs/go-datastore"
+	pstore "github.com/libp2p/go-libp2p/core/peerstore"
+	"github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoreds"
+)
+
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoreds.NewKeyBook instead
+func NewKeyBook(ctx context.Context, store ds.Datastore, opts Options) (pstore.KeyBook, error) {
+	return pstoreds.NewKeyBook(ctx, store, opts)
+}

pstoreds/metadata.go

@@ -0,0 +1,20 @@
+package pstoreds
+
+import (
+	"context"
+
+	pstore "github.com/libp2p/go-libp2p/core/peerstore"
+	"github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoreds"
+
+	ds "github.com/ipfs/go-datastore"
+)
+
+// NewPeerMetadata creates a metadata store backed by a persistent db. It uses gob for serialisation.
+//
+// See `init()` to learn which types are registered by default. Modules wishing to store
+// values of other types will need to `gob.Register()` them explicitly, or else callers
+// will receive runtime errors.
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoreds.NewPeerMetadata instead
+func NewPeerMetadata(ctx context.Context, store ds.Datastore, opts Options) (pstore.PeerMetadata, error) {
+	return pstoreds.NewPeerMetadata(ctx, store, opts)
+}

pstoreds/peerstore.go

@@ -0,0 +1,35 @@
+// Deprecated: This package has moved into go-libp2p as a sub-package: github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoreds.
+package pstoreds
+
+import (
+	"context"
+
+	"github.com/libp2p/go-libp2p/core/peerstore"
+	"github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoreds"
+
+	ds "github.com/ipfs/go-datastore"
+)
+
+// Configuration object for the peerstore.
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoreds.Options instead
+type Options = pstoreds.Options
+
+// DefaultOpts returns the default options for a persistent peerstore, with the full-purge GC algorithm:
+//
+// * Cache size: 1024.
+// * MaxProtocols: 1024.
+// * GC purge interval: 2 hours.
+// * GC lookahead interval: disabled.
+// * GC initial delay: 60 seconds.
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoreds.DefaultOpts instead
+func DefaultOpts() Options {
+	return pstoreds.DefaultOpts()
+}
+
+// NewPeerstore creates a peerstore backed by the provided persistent datastore.
+// It's the caller's responsibility to call RemovePeer to ensure
+// that memory consumption of the peerstore doesn't grow unboundedly.
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoreds.NewPeerstore instead
+func NewPeerstore(ctx context.Context, store ds.Batching, opts Options) (peerstore.Peerstore, error) {
+	return pstoreds.NewPeerstore(ctx, store, opts)
+}

pstoreds/protobook.go

@@ -0,0 +1,20 @@
+package pstoreds
+
+import (
+	"github.com/libp2p/go-libp2p/core/peerstore"
+	pstore "github.com/libp2p/go-libp2p/core/peerstore"
+	"github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoreds"
+)
+
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoreds.ProtoBookOption instead
+type ProtoBookOption = pstoreds.ProtoBookOption
+
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoreds.WithMaxProtocols instead
+func WithMaxProtocols(num int) ProtoBookOption {
+	return pstoreds.WithMaxProtocols(num)
+}
+
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoreds.NewProtoBook instead
+func NewProtoBook(meta pstore.PeerMetadata, opts ...ProtoBookOption) (peerstore.ProtoBook, error) {
+	return pstoreds.NewProtoBook(meta, opts...)
+}

pstoremem/addr_book.go

@@ -0,0 +1,36 @@
+package pstoremem
+
+import (
+	"time"
+
+	pstore "github.com/libp2p/go-libp2p/core/peerstore"
+	"github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem"
+)
+
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem.NewAddrBook instead
+func NewAddrBook() pstore.AddrBook {
+	return pstoremem.NewAddrBook()
+}
+
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem.AddrBookOption instead
+type AddrBookOption = pstoremem.AddrBookOption
+
+type clock interface {
+	Now() time.Time
+}
+
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem.WithClock instead
+func WithClock(clock clock) AddrBookOption {
+	return pstoremem.WithClock(clock)
+}
+
+// An abstracted, pub-sub manager for address streams. Extracted from
+// memoryAddrBook in order to support additional implementations.
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem.AddrSubManager instead
+type AddrSubManager = pstoremem.AddrSubManager
+
+// NewAddrSubManager initializes an AddrSubManager.
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem.NewAddrSubManager instead
+func NewAddrSubManager() *AddrSubManager {
+	return pstoremem.NewAddrSubManager()
+}

pstoremem/keybook.go

@@ -0,0 +1,11 @@
+package pstoremem
+
+import (
+	pstore "github.com/libp2p/go-libp2p/core/peerstore"
+	"github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem"
+)
+
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem.NewKeyBook instead
+func NewKeyBook() pstore.KeyBook {
+	return pstoremem.NewKeyBook()
+}

pstoremem/metadata.go

@@ -0,0 +1,11 @@
+package pstoremem
+
+import (
+	pstore "github.com/libp2p/go-libp2p/core/peerstore"
+	"github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem"
+)
+
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem.NewPeerMetadata instead
+func NewPeerMetadata() pstore.PeerMetadata {
+	return pstoremem.NewPeerMetadata()
+}

pstoremem/peerstore.go

@@ -0,0 +1,18 @@
+// Deprecated: This package has moved into go-libp2p as a sub-package: github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem.
+package pstoremem
+
+import (
+	"github.com/libp2p/go-libp2p/core/peerstore"
+	"github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem"
+)
+
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem.Option instead
+type Option = pstoremem.Option
+
+// NewPeerstore creates an in-memory threadsafe collection of peers.
+// It's the caller's responsibility to call RemovePeer to ensure
+// that memory consumption of the peerstore doesn't grow unboundedly.
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem.NewPeerstore instead
+func NewPeerstore(opts ...Option) (ps peerstore.Peerstore, err error) {
+	return pstoremem.NewPeerstore(opts...)
+}

pstoremem/protobook.go

@@ -0,0 +1,19 @@
+package pstoremem
+
+import (
+	pstore "github.com/libp2p/go-libp2p/core/peerstore"
+	"github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem"
+)
+
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem.ProtoBookOption instead
+type ProtoBookOption = pstoremem.ProtoBookOption
+
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem.WithMaxProtocols instead
+func WithMaxProtocols(num int) ProtoBookOption {
+	return pstoremem.WithMaxProtocols(num)
+}
+
+// Deprecated: use github.com/libp2p/go-libp2p/p2p/host/peerstore/pstoremem.NewProtoBook instead
+func NewProtoBook(opts ...ProtoBookOption) (pstore.ProtoBook, error) {
+	return pstoremem.NewProtoBook(opts...)
+}

queue/distance.go

@@ -1,100 +0,0 @@
-package queue
-
-import (
-	"container/heap"
-	"math/big"
-	"sync"
-
-	peer "github.com/libp2p/go-libp2p-peer"
-	ks "github.com/whyrusleeping/go-keyspace"
-)
-
-// peerMetric tracks a peer and its distance to something else.
-type peerMetric struct {
-	// the peer
-	peer peer.ID
-
-	// big.Int for XOR metric
-	metric *big.Int
-}
-
-// peerMetricHeap implements a heap of peerDistances
-type peerMetricHeap []*peerMetric
-
-func (ph peerMetricHeap) Len() int {
-	return len(ph)
-}
-
-func (ph peerMetricHeap) Less(i, j int) bool {
-	return -1 == ph[i].metric.Cmp(ph[j].metric)
-}
-
-func (ph peerMetricHeap) Swap(i, j int) {
-	ph[i], ph[j] = ph[j], ph[i]
-}
-
-func (ph *peerMetricHeap) Push(x interface{}) {
-	item := x.(*peerMetric)
-	*ph = append(*ph, item)
-}
-
-func (ph *peerMetricHeap) Pop() interface{} {
-	old := *ph
-	n := len(old)
-	item := old[n-1]
-	*ph = old[0 : n-1]
-	return item
-}
-
-// distancePQ implements heap.Interface and PeerQueue
-type distancePQ struct {
-	// from is the Key this PQ measures against
-	from ks.Key
-
-	// heap is a heap of peerDistance items
-	heap peerMetricHeap
-
-	sync.RWMutex
-}
-
-func (pq *distancePQ) Len() int {
-	pq.Lock()
-	defer pq.Unlock()
-	return len(pq.heap)
-}
-
-func (pq *distancePQ) Enqueue(p peer.ID) {
-	pq.Lock()
-	defer pq.Unlock()
-
-	distance := ks.XORKeySpace.Key([]byte(p)).Distance(pq.from)
-
-	heap.Push(&pq.heap, &peerMetric{
-		peer:   p,
-		metric: distance,
-	})
-}
-
-func (pq *distancePQ) Dequeue() peer.ID {
-	pq.Lock()
-	defer pq.Unlock()
-
-	if len(pq.heap) < 1 {
-		panic("called Dequeue on an empty PeerQueue")
-		// will panic internally anyway, but we can help debug here
-	}
-
-	o := heap.Pop(&pq.heap)
-	p := o.(*peerMetric)
-	return p.peer
-}
-
-// NewXORDistancePQ returns a PeerQueue which maintains its peers sorted
-// in terms of their distances to each other in an XORKeySpace (i.e. using
-// XOR as a metric of distance).
-func NewXORDistancePQ(from string) PeerQueue {
-	return &distancePQ{
-		from: ks.XORKeySpace.Key([]byte(from)),
-		heap: peerMetricHeap{},
-	}
-}

queue/interface.go

@@ -1,18 +0,0 @@
-package queue
-
-import peer "github.com/libp2p/go-libp2p-peer"
-
-// PeerQueue maintains a set of peers ordered according to a metric.
-// Implementations of PeerQueue could order peers based on distances along
-// a KeySpace, latency measurements, trustworthiness, reputation, etc.
-type PeerQueue interface {
-
-	// Len returns the number of items in PeerQueue
-	Len() int
-
-	// Enqueue adds this node to the queue.
-	Enqueue(peer.ID)
-
-	// Dequeue retrieves the highest (smallest int) priority node
-	Dequeue() peer.ID
-}

queue/queue_test.go

@@ -1,139 +0,0 @@
-package queue
-
-import (
-	"context"
-	"fmt"
-	"sync"
-	"testing"
-	"time"
-
-	peer "github.com/libp2p/go-libp2p-peer"
-	mh "github.com/multiformats/go-multihash"
-)
-
-func TestQueue(t *testing.T) {
-
-	p1 := peer.ID("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a31") // these aren't valid, because need to hex-decode.
-	p2 := peer.ID("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a32") // these aren't valid, because need to hex-decode.
-	p3 := peer.ID("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33") // these aren't valid, because need to hex-decode.
-	p4 := peer.ID("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a34") // these aren't valid, because need to hex-decode.
-	p5 := peer.ID("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a31") // these aren't valid, because need to hex-decode.
-	// but they work.
-
-	// these are the peer.IDs' XORKeySpace Key values:
-	// [228 47 151 130 156 102 222 232 218 31 132 94 170 208 80 253 120 103 55 35 91 237 48 157 81 245 57 247 66 150 9 40]
-	// [26 249 85 75 54 49 25 30 21 86 117 62 85 145 48 175 155 194 210 216 58 14 241 143 28 209 129 144 122 28 163 6]
-	// [78 135 26 216 178 181 224 181 234 117 2 248 152 115 255 103 244 34 4 152 193 88 9 225 8 127 216 158 226 8 236 246]
-	// [125 135 124 6 226 160 101 94 192 57 39 12 18 79 121 140 190 154 147 55 44 83 101 151 63 255 94 179 51 203 241 51]
-
-	pq := NewXORDistancePQ("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a31")
-	pq.Enqueue(p3)
-	pq.Enqueue(p1)
-	pq.Enqueue(p2)
-	pq.Enqueue(p4)
-	pq.Enqueue(p5)
-	pq.Enqueue(p1)
-
-	// should come out as: p1, p4, p3, p2
-
-	if d := pq.Dequeue(); d != p1 && d != p5 {
-		t.Error("ordering failed")
-	}
-
-	if d := pq.Dequeue(); d != p1 && d != p5 {
-		t.Error("ordering failed")
-	}
-
-	if d := pq.Dequeue(); d != p1 && d != p5 {
-		t.Error("ordering failed")
-	}
-
-	if pq.Dequeue() != p4 {
-		t.Error("ordering failed")
-	}
-
-	if pq.Dequeue() != p3 {
-		t.Error("ordering failed")
-	}
-
-	if pq.Dequeue() != p2 {
-		t.Error("ordering failed")
-	}
-
-}
-
-func newPeerTime(t time.Time) peer.ID {
-	s := fmt.Sprintf("hmmm time: %v", t)
-	h, _ := mh.Sum([]byte(s), mh.SHA2_256, -1)
-	return peer.ID(h)
-}
-
-func TestSyncQueue(t *testing.T) {
-	tickT := time.Microsecond * 50
-	max := 5000
-	consumerN := 10
-	countsIn := make([]int, consumerN*2)
-	countsOut := make([]int, consumerN)
-
-	if testing.Short() {
-		max = 1000
-	}
-
-	ctx := context.Background()
-	pq := NewXORDistancePQ("11140beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a31")
-	cq := NewChanQueue(ctx, pq)
-	wg := sync.WaitGroup{}
-
-	produce := func(p int) {
-		defer wg.Done()
-
-		tick := time.Tick(tickT)
-		for i := 0; i < max; i++ {
-			select {
-			case tim := <-tick:
-				countsIn[p]++
-				cq.EnqChan <- newPeerTime(tim)
-			case <-ctx.Done():
-				return
-			}
-		}
-	}
-
-	consume := func(c int) {
-		defer wg.Done()
-
-		for {
-			select {
-			case <-cq.DeqChan:
-				countsOut[c]++
-				if countsOut[c] >= max*2 {
-					return
-				}
-			case <-ctx.Done():
-				return
-			}
-		}
-	}
-
-	// make n * 2 producers and n consumers
-	for i := 0; i < consumerN; i++ {
-		wg.Add(3)
-		go produce(i)
-		go produce(consumerN + i)
-		go consume(i)
-	}
-
-	wg.Wait()
-
-	sum := func(ns []int) int {
-		total := 0
-		for _, n := range ns {
-			total += n
-		}
-		return total
-	}
-
-	if sum(countsIn) != sum(countsOut) {
-		t.Errorf("didnt get all of them out: %d/%d", sum(countsOut), sum(countsIn))
-	}
-}

queue/sync.go

@@ -1,85 +0,0 @@
-package queue
-
-import (
-	"context"
-
-	logging "github.com/ipfs/go-log"
-	peer "github.com/libp2p/go-libp2p-peer"
-)
-
-var log = logging.Logger("peerqueue")
-
-// ChanQueue makes any PeerQueue synchronizable through channels.
-type ChanQueue struct {
-	Queue   PeerQueue
-	EnqChan chan<- peer.ID
-	DeqChan <-chan peer.ID
-}
-
-// NewChanQueue creates a ChanQueue by wrapping pq.
-func NewChanQueue(ctx context.Context, pq PeerQueue) *ChanQueue {
-	cq := &ChanQueue{Queue: pq}
-	cq.process(ctx)
-	return cq
-}
-
-func (cq *ChanQueue) process(ctx context.Context) {
-	// construct the channels here to be able to use them bidirectionally
-	enqChan := make(chan peer.ID)
-	deqChan := make(chan peer.ID)
-
-	cq.EnqChan = enqChan
-	cq.DeqChan = deqChan
-
-	go func() {
-		log.Debug("processing")
-		defer log.Debug("closed")
-		defer close(deqChan)
-
-		var next peer.ID
-		var item peer.ID
-		var more bool
-
-		for {
-			if cq.Queue.Len() == 0 {
-				// log.Debug("wait for enqueue")
-				select {
-				case next, more = <-enqChan:
-					if !more {
-						return
-					}
-					// log.Debug("got", next)
-
-				case <-ctx.Done():
-					return
-				}
-
-			} else {
-				next = cq.Queue.Dequeue()
-				// log.Debug("peek", next)
-			}
-
-			select {
-			case item, more = <-enqChan:
-				if !more {
-					if cq.Queue.Len() > 0 {
-						return // we're done done.
-					}
-					enqChan = nil // closed, so no use.
-				}
-				// log.Debug("got", item)
-				cq.Queue.Enqueue(item)
-				cq.Queue.Enqueue(next) // order may have changed.
-				next = ""
-
-			case deqChan <- next:
-				// log.Debug("dequeued", next)
-				next = ""
-
-			case <-ctx.Done():
-				return
-			}
-		}
-
-	}()
-}

test/utils.go

@@ -1,36 +0,0 @@
-package testutil
-
-import (
-	"io"
-	"math/rand"
-	"time"
-
-	ci "github.com/libp2p/go-libp2p-crypto"
-	peer "github.com/libp2p/go-libp2p-peer"
-	mh "github.com/multiformats/go-multihash"
-)
-
-func timeSeededRand() io.Reader {
-	return rand.New(rand.NewSource(time.Now().UnixNano()))
-}
-
-func RandPeerID() (peer.ID, error) {
-	buf := make([]byte, 16)
-	if _, err := io.ReadFull(timeSeededRand(), buf); err != nil {
-		return "", err
-	}
-	h, err := mh.Sum(buf, mh.SHA2_256, -1)
-	if err != nil {
-		return "", err
-	}
-
-	return peer.ID(h), nil
-}
-
-func RandTestKeyPair(bits int) (ci.PrivKey, ci.PubKey, error) {
-	return ci.GenerateKeyPairWithReader(ci.RSA, bits, timeSeededRand())
-}
-
-func SeededTestKeyPair(seed int64) (ci.PrivKey, ci.PubKey, error) {
-	return ci.GenerateKeyPairWithReader(ci.RSA, 512, rand.New(rand.NewSource(seed)))
-}

version.json

@@ -0,0 +1,3 @@
+{
+  "version": "v0.8.0"
+}