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index NFTs created by a user separately from posts #195

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index NFTs created by a user separately from posts #195

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21 changes: 9 additions & 12 deletions lib/block_view_post.go
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Original file line number Diff line number Diff line change
Expand Up @@ -448,7 +448,9 @@ func (bav *UtxoView) GetAllPosts() (_corePosts []*PostEntry, _commentsByPostHash
return allCorePosts, commentsByPostHash, nil
}

func (bav *UtxoView) GetPostsPaginatedForPublicKeyOrderedByTimestamp(publicKey []byte, startPostHash *BlockHash, limit uint64, mediaRequired bool, nftRequired bool) (_posts []*PostEntry, _err error) {
func (bav *UtxoView) GetPostsPaginatedForPublicKeyOrderedByTimestamp(
publicKey []byte, startPostHash *BlockHash, limit uint64, mediaRequired bool, nftRequired bool,
) (_posts []*PostEntry, _err error) {
if bav.Postgres != nil {
var startTime uint64 = math.MaxUint64
if startPostHash != nil {
Expand All @@ -469,7 +471,12 @@ func (bav *UtxoView) GetPostsPaginatedForPublicKeyOrderedByTimestamp(publicKey [
}
} else {
handle := bav.Handle
dbPrefix := append([]byte{}, _PrefixPosterPublicKeyTimestampPostHash...)
var dbPrefix []byte
if !nftRequired {
dbPrefix = append([]byte{}, _PrefixPosterPublicKeyTimestampPostHash...)
} else {
dbPrefix = append([]byte{}, _PrefixPosterPublicKeyTimestampNFTPostHash...)
}
dbPrefix = append(dbPrefix, publicKey...)
var prefix []byte
if startPostHash != nil {
Expand Down Expand Up @@ -523,11 +530,6 @@ func (bav *UtxoView) GetPostsPaginatedForPublicKeyOrderedByTimestamp(publicKey [
continue
}

// nftRequired set to determine if we only want posts that are NFTs
if nftRequired && !postEntry.IsNFT {
continue
}

posts = append(posts, postEntry)
}
return nil
Expand All @@ -550,11 +552,6 @@ func (bav *UtxoView) GetPostsPaginatedForPublicKeyOrderedByTimestamp(publicKey [
continue
}

// nftRequired set to determine if we only want posts that are NFTs
if nftRequired && !postEntry.IsNFT {
continue
}

if reflect.DeepEqual(postEntry.PosterPublicKey, publicKey) {
postEntries = append(postEntries, postEntry)
}
Expand Down
29 changes: 28 additions & 1 deletion lib/db_utils.go
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Original file line number Diff line number Diff line change
Expand Up @@ -167,6 +167,8 @@ var (
_PrefixCreatorPKIDHODLerPKIDToBalanceEntry = []byte{34}

_PrefixPosterPublicKeyTimestampPostHash = []byte{35}
// Only NFT posts are stored here in this index
_PrefixPosterPublicKeyTimestampNFTPostHash = []byte{59}

// If no mapping exists for a particular public key, then the PKID is simply
// the public key itself.
Expand Down Expand Up @@ -287,7 +289,7 @@ var (
// TODO: This process is a bit error-prone. We should come up with a test or
// something to at least catch cases where people have two prefixes with the
// same ID.
// NEXT_TAG: 59
// NEXT_TAG: 60
)

func DBGetPKIDEntryForPublicKeyWithTxn(txn *badger.Txn, publicKey []byte) *PKIDEntry {
Expand Down Expand Up @@ -3935,6 +3937,14 @@ func _dbKeyForPosterPublicKeyTimestampPostHash(publicKey []byte, timestampNanos
key = append(key, postHash[:]...)
return key
}
func _dbKeyForPosterPublicKeyTimestampNFTPostHash(publicKey []byte, timestampNanos uint64, nftPostHash *BlockHash) []byte {
// Make a copy to avoid multiple calls to this function re-using the same slice.
key := append([]byte{}, _PrefixPosterPublicKeyTimestampNFTPostHash...)
key = append(key, publicKey...)
key = append(key, EncodeUint64(timestampNanos)...)
key = append(key, nftPostHash[:]...)
return key
}
func _dbKeyForTstampPostHash(tstampNanos uint64, postHash *BlockHash) []byte {
// Make a copy to avoid multiple calls to this function re-using the same slice.
key := append([]byte{}, _PrefixTstampNanosPostHash...)
Expand Down Expand Up @@ -4053,6 +4063,14 @@ func DBDeletePostEntryMappingsWithTxn(
}
}

if postEntry.IsNFT {
if err := txn.Delete(_dbKeyForPosterPublicKeyTimestampNFTPostHash(
postEntry.PosterPublicKey, postEntry.TimestampNanos, postEntry.PostHash)); err != nil {
return errors.Wrapf(err, "DbDeletePostEntryMappingsWithTxn: Deleting "+
"tstamp NFT mapping for post hash %v", postHash)
}
}

// Delete the repost entries for the post.
if IsVanillaRepost(postEntry) {
if err := txn.Delete(
Expand Down Expand Up @@ -4151,6 +4169,15 @@ func DBPutPostEntryMappingsWithTxn(
"adding mapping for stakeMultipleBps: %v", postEntry)
}
}

if postEntry.IsNFT {
if err := txn.Set(_dbKeyForPosterPublicKeyTimestampNFTPostHash(
postEntry.PosterPublicKey, postEntry.TimestampNanos, postEntry.PostHash), []byte{}); err != nil {
return errors.Wrapf(err,"DbPutPostEntryMappingsWithTxn: Problem "+
"adding mapping for public key + nft post %v", postEntry)
}
}

// We treat reposting the same for both comments and posts.
// We only store repost entry mappings for vanilla reposts
if IsVanillaRepost(postEntry) {
Expand Down