// HaveBlock announces the existance of a block to BitSwap, potentially sending
// it to peers (Partners) whose WantLists include it.
func (bs *BitSwap) HaveBlock(blk *blocks.Block) error {
go func() {
for _, ledger := range bs.partners {
if ledger.WantListContains(blk.Key()) {
//send block to node
if ledger.ShouldSend() {
bs.SendBlock(ledger.Partner, blk)
}
}
}
}()
return bs.routing.Provide(blk.Key())
}
// AddBlock adds a particular block to the service, Putting it into the datastore.
func (s *BlockService) AddBlock(b *blocks.Block) (u.Key, error) {
k := b.Key()
dsk := ds.NewKey(string(k))
u.DOut("storing [%s] in datastore\n", k.Pretty())
err := s.Datastore.Put(dsk, b.Data)
if err != nil {
return k, err
}
if s.Remote != nil {
err = s.Remote.HaveBlock(b)
}
return k, err
}
func (bs *BitSwap) blockReceive(p *peer.Peer, blk *blocks.Block) {
u.DOut("blockReceive: %s\n", blk.Key().Pretty())
err := bs.datastore.Put(ds.NewKey(string(blk.Key())), blk.Data)
if err != nil {
u.PErr("blockReceive error: %v\n", err)
return
}
mes := &swarm.Message{
Peer: p,
Data: blk.Data,
}
bs.listener.Respond(string(blk.Key()), mes)
ledger := bs.getLedger(p)
ledger.ReceivedBytes(len(blk.Data))
}