func assertBlocksEqual(t *testing.T, a, b blocks.Block) {
if !bytes.Equal(a.Data(), b.Data()) {
t.Fatal("blocks aren't equal")
}
if a.Key() != b.Key() {
t.Fatal("block keys aren't equal")
}
}
func (bs *blockstore) Put(block blocks.Block) error {
k := block.Key().DsKey()
// Has is cheaper than Put, so see if we already have it
exists, err := bs.datastore.Has(k)
if err == nil && exists {
return nil // already stored.
}
return bs.datastore.Put(k, block.Data())
}
func (bs *Bitswap) updateReceiveCounters(b blocks.Block) error {
bs.counterLk.Lock()
defer bs.counterLk.Unlock()
bs.blocksRecvd++
has, err := bs.blockstore.Has(b.Key())
if err != nil {
log.Infof("blockstore.Has error: %s", err)
return err
}
if err == nil && has {
bs.dupBlocksRecvd++
bs.dupDataRecvd += uint64(len(b.Data()))
}
if has {
return ErrAlreadyHaveBlock
}
return nil
}
// Add adds a node to the dagService, storing the block in the BlockService
func (n *dagService) Add(nd *Node) (key.Key, error) {
if n == nil { // FIXME remove this assertion. protect with constructor invariant
return "", fmt.Errorf("dagService is nil")
}
d, err := nd.Encoded(false)
if err != nil {
return "", err
}
b := new(blocks.Block)
b.Data = d
b.Multihash, err = nd.Multihash()
if err != nil {
return "", err
}
return n.Blocks.AddBlock(b)
}
func (t *Batch) Add(nd *Node) (key.Key, error) {
d, err := nd.Encoded(false)
if err != nil {
return "", err
}
b := new(blocks.Block)
b.Data = d
b.Multihash, err = nd.Multihash()
if err != nil {
return "", err
}
k := key.Key(b.Multihash)
t.blocks = append(t.blocks, b)
t.size += len(b.Data)
if t.size > t.MaxSize {
return k, t.Commit()
}
return k, nil
}