mirror of
https://github.com/fiatjaf/nak.git
synced 2024-10-30 00:59:07 -04:00
c90e61dbec
fixes nostr:nevent1qqs9qwgwnr2rzguzrgt99hhhyv8e84mcdr4mnk86uvm6ndjvzl4rjxqpzpmhxue69uhkztnwdaejumr0dshsz9mhwden5te0vf5hgcm0d9hx2u3wwdhkx6tpdshszxnhwden5te0vfhhxarj9ekx2cm5w4exjene9ehx2ap0j8u0fj
105 lines
2.9 KiB
Go
105 lines
2.9 KiB
Go
package main
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import (
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"context"
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"github.com/fiatjaf/cli/v3"
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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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sdk "github.com/nbd-wtf/nostr-sdk"
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)
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var fetch = &cli.Command{
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Name: "fetch",
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Usage: "fetches events related to the given nip19 code from the included relay hints or the author's NIP-65 relays.",
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Description: `example usage:
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nak fetch nevent1qqsxrwm0hd3s3fddh4jc2574z3xzufq6qwuyz2rvv3n087zvym3dpaqprpmhxue69uhhqatzd35kxtnjv4kxz7tfdenju6t0xpnej4
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echo npub1h8spmtw9m2huyv6v2j2qd5zv956z2zdugl6mgx02f2upffwpm3nqv0j4ps | nak fetch --relay wss://relay.nostr.band`,
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DisableSliceFlagSeparator: true,
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Flags: []cli.Flag{
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&cli.StringSliceFlag{
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Name: "relay",
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Aliases: []string{"r"},
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Usage: "also use these relays to fetch from",
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},
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},
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ArgsUsage: "[nip19code]",
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Action: func(ctx context.Context, c *cli.Command) error {
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pool := nostr.NewSimplePool(ctx)
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defer func() {
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pool.Relays.Range(func(_ string, relay *nostr.Relay) bool {
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relay.Close()
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return true
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})
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}()
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for code := range getStdinLinesOrArguments(c.Args()) {
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filter := nostr.Filter{}
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prefix, value, err := nip19.Decode(code)
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if err != nil {
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ctx = lineProcessingError(ctx, "failed to decode: %s", err)
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continue
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}
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relays := c.StringSlice("relay")
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if err := normalizeAndValidateRelayURLs(relays); err != nil {
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return err
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}
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var authorHint string
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switch prefix {
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case "nevent":
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v := value.(nostr.EventPointer)
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filter.IDs = append(filter.IDs, v.ID)
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if v.Author != "" {
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authorHint = v.Author
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}
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relays = append(relays, v.Relays...)
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case "naddr":
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v := value.(nostr.EntityPointer)
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filter.Tags = nostr.TagMap{"d": []string{v.Identifier}}
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filter.Kinds = append(filter.Kinds, v.Kind)
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filter.Authors = append(filter.Authors, v.PublicKey)
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authorHint = v.PublicKey
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relays = append(relays, v.Relays...)
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case "nprofile":
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v := value.(nostr.ProfilePointer)
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filter.Authors = append(filter.Authors, v.PublicKey)
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filter.Kinds = append(filter.Kinds, 0)
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authorHint = v.PublicKey
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relays = append(relays, v.Relays...)
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case "npub":
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v := value.(string)
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filter.Authors = append(filter.Authors, v)
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filter.Kinds = append(filter.Kinds, 0)
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authorHint = v
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}
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if authorHint != "" {
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relayList := sdk.FetchRelaysForPubkey(ctx, pool, authorHint,
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"wss://purplepag.es", "wss://relay.damus.io", "wss://relay.noswhere.com",
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"wss://nos.lol", "wss://public.relaying.io", "wss://relay.nostr.band")
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for _, relayListItem := range relayList {
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if relayListItem.Outbox {
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relays = append(relays, relayListItem.URL)
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}
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}
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}
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if len(relays) == 0 {
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ctx = lineProcessingError(ctx, "no relay hints found")
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continue
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}
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for ie := range pool.SubManyEose(ctx, relays, nostr.Filters{filter}) {
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stdout(ie.Event)
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}
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}
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exitIfLineProcessingError(ctx)
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return nil
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},
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}
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