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61 lines
1.2 KiB
Go
61 lines
1.2 KiB
Go
// package set contains various different types of 'BlockSet's
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package set
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import (
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"github.com/ipfs/go-ipfs/blocks/bloom"
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logging "gx/ipfs/QmSpJByNKFX1sCsHBEp3R73FL4NF6FnQTEGyNAXHm2GS52/go-log"
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cid "gx/ipfs/QmXfiyr2RWEXpVDdaYnD2HNiBk6UBddsvEP4RPfXb6nGqY/go-cid"
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)
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var log = logging.Logger("blockset")
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// BlockSet represents a mutable set of keyed blocks
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type BlockSet interface {
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AddBlock(*cid.Cid)
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RemoveBlock(*cid.Cid)
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HasKey(*cid.Cid) bool
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GetBloomFilter() bloom.Filter
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GetKeys() []*cid.Cid
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}
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func SimpleSetFromKeys(keys []*cid.Cid) BlockSet {
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sbs := &simpleBlockSet{blocks: cid.NewSet()}
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for _, k := range keys {
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sbs.AddBlock(k)
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}
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return sbs
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}
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func NewSimpleBlockSet() BlockSet {
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return &simpleBlockSet{blocks: cid.NewSet()}
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}
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type simpleBlockSet struct {
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blocks *cid.Set
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}
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func (b *simpleBlockSet) AddBlock(k *cid.Cid) {
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b.blocks.Add(k)
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}
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func (b *simpleBlockSet) RemoveBlock(k *cid.Cid) {
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b.blocks.Remove(k)
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}
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func (b *simpleBlockSet) HasKey(k *cid.Cid) bool {
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return b.blocks.Has(k)
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}
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func (b *simpleBlockSet) GetBloomFilter() bloom.Filter {
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f := bloom.BasicFilter()
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for _, k := range b.blocks.Keys() {
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f.Add(k.Bytes())
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}
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return f
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}
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func (b *simpleBlockSet) GetKeys() []*cid.Cid {
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return b.blocks.Keys()
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}
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