mirror of
https://github.com/nbd-wtf/go-nostr.git
synced 2025-03-17 21:32:56 +01:00
sdk taking shape.
This commit is contained in:
fiatjaf
parent
234d825e43
commit
c506cc0f8b
4
go.mod
4
go.mod
@ -13,7 +13,6 @@ require (
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github.com/tidwall/gjson v1.14.4
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github.com/tyler-smith/go-bip32 v1.0.0
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github.com/tyler-smith/go-bip39 v1.1.0
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golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
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golang.org/x/exp v0.0.0-20221106115401-f9659909a136
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golang.org/x/net v0.0.0-20200813134508-3edf25e44fcc
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)
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@ -32,5 +31,8 @@ require (
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github.com/pkg/errors v0.9.1 // indirect
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github.com/tidwall/match v1.1.1 // indirect
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github.com/tidwall/pretty v1.2.0 // indirect
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golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 // indirect
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golang.org/x/sys v0.6.0 // indirect
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)
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replace github.com/dgraph-io/ristretto => github.com/aryehlev/ristretto v0.0.0-20230325112030-fd222a1ebb5e
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8
go.sum
8
go.sum
@ -3,6 +3,8 @@ github.com/FactomProject/basen v0.0.0-20150613233007-fe3947df716e/go.mod h1:kGUq
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github.com/FactomProject/btcutilecc v0.0.0-20130527213604-d3a63a5752ec h1:1Qb69mGp/UtRPn422BH4/Y4Q3SLUrD9KHuDkm8iodFc=
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github.com/FactomProject/btcutilecc v0.0.0-20130527213604-d3a63a5752ec/go.mod h1:CD8UlnlLDiqb36L110uqiP2iSflVjx9g/3U9hCI4q2U=
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github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
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github.com/aryehlev/ristretto v0.0.0-20230325112030-fd222a1ebb5e h1:6XE6UUXzL1OTmsHg/mOqTPyER/KiIhTp7lK4YCxiO3k=
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github.com/aryehlev/ristretto v0.0.0-20230325112030-fd222a1ebb5e/go.mod h1:CVcbbyUW8c4weQp46o4er/sA83zTXDPV8xc8D85Dgag=
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github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
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github.com/btcsuite/btcd v0.22.0-beta.0.20220111032746-97732e52810c/go.mod h1:tjmYdS6MLJ5/s0Fj4DbLgSbDHbEqLJrtnHecBFkdz5M=
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github.com/btcsuite/btcd v0.23.0/go.mod h1:0QJIIN1wwIXF/3G/m87gIwGniDMDQqjVn4SZgnFpsYY=
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@ -39,10 +41,7 @@ github.com/decred/dcrd/crypto/blake256 v1.0.0/go.mod h1:sQl2p6Y26YV+ZOcSTP6thNdn
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github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 h1:YLtO71vCjJRCBcrPMtQ9nqBsqpA1m5sE92cU+pd5Mcc=
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github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1/go.mod h1:hyedUtir6IdtD/7lIxGeCxkaw7y45JueMRL4DIyJDKs=
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github.com/decred/dcrd/lru v1.0.0/go.mod h1:mxKOwFd7lFjN2GZYsiz/ecgqR6kkYAl+0pz0tEMk218=
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github.com/dgraph-io/ristretto v0.1.1 h1:6CWw5tJNgpegArSHpNHJKldNeq03FQCwYvfMVWajOK8=
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github.com/dgraph-io/ristretto v0.1.1/go.mod h1:S1GPSBCYCIhmVNfcth17y2zZtQT6wzkzgwUve0VDWWA=
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github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2 h1:tdlZCpZ/P9DhczCTSixgIKmwPv6+wP5DGjqLYw5SUiA=
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github.com/dgryski/go-farm v0.0.0-20190423205320-6a90982ecee2/go.mod h1:SqUrOPUnsFjfmXRMNPybcSiG0BgUW2AuFH8PAnS2iTw=
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github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
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github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
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github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
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@ -92,7 +91,6 @@ github.com/puzpuzpuz/xsync/v2 v2.5.0 h1:2k4qrO/orvmEXZ3hmtHqIy9XaQtPTwzMZk1+iErp
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github.com/puzpuzpuz/xsync/v2 v2.5.0/go.mod h1:gD2H2krq/w52MfPLE+Uy64TzJDVY7lP2znR9qmR35kU=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/testify v1.1.5-0.20170601210322-f6abca593680/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
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github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
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github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
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github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7/go.mod h1:q4W45IWZaF22tdD+VEXcAWRA037jwmWEB5VWYORlTpc=
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@ -129,7 +127,6 @@ golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7w
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golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20200519105757-fe76b779f299/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20200814200057-3d37ad5750ed/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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golang.org/x/sys v0.0.0-20221010170243-090e33056c14/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
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golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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@ -148,7 +145,6 @@ gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8
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gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
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gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
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gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
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10
sdk/cache/interface.go
vendored
Normal file
10
sdk/cache/interface.go
vendored
Normal file
@ -0,0 +1,10 @@
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package cache
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import "time"
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type Cache32[V any] interface {
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Get(k string) (v V, ok bool)
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Delete(k string)
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Set(k string, v V) bool
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SetWithTTL(k string, v V, d time.Duration) bool
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}
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48
sdk/cache/memory/cache.go
vendored
Normal file
48
sdk/cache/memory/cache.go
vendored
Normal file
@ -0,0 +1,48 @@
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package cache_memory
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import (
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"encoding/binary"
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"encoding/hex"
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"time"
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"github.com/dgraph-io/ristretto"
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)
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type RistrettoCache[V any] struct {
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Cache *ristretto.Cache[string, V]
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}
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func New32[V any](max int64) *RistrettoCache[V] {
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cache, _ := ristretto.NewCache(&ristretto.Config[string, V]{
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NumCounters: max * 10,
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MaxCost: max,
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BufferItems: 64,
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KeyToHash: func(key string) (uint64, uint64) { return h32(key), 0 },
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})
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return &RistrettoCache[V]{Cache: cache}
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}
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func (s RistrettoCache[V]) Get(k string) (v V, ok bool) { return s.Cache.Get(k) }
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func (s RistrettoCache[V]) Delete(k string) { s.Cache.Del(k) }
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func (s RistrettoCache[V]) Set(k string, v V) bool { return s.Cache.Set(k, v, 1) }
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func (s RistrettoCache[V]) SetWithTTL(k string, v V, d time.Duration) bool {
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return s.Cache.SetWithTTL(k, v, 1, d)
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}
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func h32(key string) uint64 {
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// we get an event id or pubkey as hex,
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// so just extract the last 8 bytes from it and turn them into a uint64
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return shortUint64(key)
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}
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func shortUint64(idOrPubkey string) uint64 {
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length := len(idOrPubkey)
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if length < 8 {
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return 0
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}
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b, err := hex.DecodeString(idOrPubkey[length-8:])
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if err != nil {
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return 0
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}
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return uint64(binary.BigEndian.Uint32(b))
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}
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7
sdk/follows.go
Normal file
7
sdk/follows.go
Normal file
@ -0,0 +1,7 @@
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package sdk
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type Follow struct {
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Pubkey string
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Relay string
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Petname string
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}
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41
sdk/init.go
Normal file
41
sdk/init.go
Normal file
@ -0,0 +1,41 @@
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package sdk
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import (
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"context"
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"time"
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"github.com/nbd-wtf/go-nostr"
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"github.com/nbd-wtf/go-nostr/sdk/cache"
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)
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type System struct {
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relaysCache cache.Cache32[[]Relay]
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followsCache cache.Cache32[[]Follow]
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metadataCache cache.Cache32[*ProfileMetadata]
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pool *nostr.SimplePool
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metadataRelays []string
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relayListRelays []string
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}
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func (sys System) FetchRelaysForPubkey(ctx context.Context, pubkey string) []Relay {
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if v, ok := sys.relaysCache.Get(pubkey); ok {
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return v
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}
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ctx, cancel := context.WithTimeout(ctx, time.Second*5)
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defer cancel()
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res := FetchRelaysForPubkey(ctx, sys.pool, pubkey, sys.relayListRelays...)
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sys.relaysCache.SetWithTTL(pubkey, res, time.Hour*6)
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return res
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}
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func (sys System) FetchOutboxRelaysForPubkey(ctx context.Context, pubkey string) []string {
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relays := sys.FetchRelaysForPubkey(ctx, pubkey)
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result := make([]string, 0, len(relays))
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for _, relay := range relays {
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if relay.Outbox {
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result = append(result, relay.URL)
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}
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}
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return result
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}
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@ -1,11 +1,17 @@
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package nostr
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package sdk
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import (
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"context"
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"encoding/json"
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"fmt"
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"github.com/nbd-wtf/go-nostr"
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"github.com/nbd-wtf/go-nostr/nip19"
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)
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type ProfileMetadata struct {
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pubkey string
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Name string `json:"name,omitempty"`
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DisplayName string `json:"display_name,omitempty"`
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About string `json:"about,omitempty"`
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@ -16,7 +22,17 @@ type ProfileMetadata struct {
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LUD16 string `json:"lud16,omitempty"`
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}
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func ParseMetadata(event Event) (*ProfileMetadata, error) {
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func (p ProfileMetadata) Npub() string {
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v, _ := nip19.EncodePublicKey(p.pubkey)
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return v
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}
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func (p ProfileMetadata) Nprofile(ctx context.Context, sys *System, nrelays int) string {
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v, _ := nip19.EncodeProfile(p.pubkey, sys.FetchOutboxRelaysForPubkey(ctx, p.pubkey))
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return v
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}
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func ParseMetadata(event *nostr.Event) (*ProfileMetadata, error) {
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if event.Kind != 0 {
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return nil, fmt.Errorf("event %s is kind %d, not 0", event.ID, event.Kind)
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}
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@ -13,18 +13,13 @@ type Relay struct {
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Outbox bool
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}
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func FetchRelaysForPubkey(ctx context.Context, pool *nostr.SimplePool, pubkey string, extraRelays ...string) []Relay {
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func FetchOutboxRelaysForPubkey(ctx context.Context, pool *nostr.SimplePool, pubkey string, n int) {
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}
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func FetchRelaysForPubkey(ctx context.Context, pool *nostr.SimplePool, pubkey string, relays ...string) []Relay {
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ctx, cancel := context.WithCancel(ctx)
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defer cancel()
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relays := append(extraRelays,
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"wss://nostr-pub.wellorder.net",
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"wss://relay.damus.io",
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"wss://nos.lol",
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"wss://nostr.mom",
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"wss://relay.nostr.bg",
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)
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ch := pool.SubManyEose(ctx, relays, nostr.Filters{
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{
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Kinds: []int{
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