/
dag.go
62 lines (45 loc) · 1.16 KB
/
dag.go
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package coreapi
import (
"context"
cid "github.com/ipfs/go-cid"
"github.com/ipfs/go-ipfs-pinner"
ipld "github.com/ipfs/go-ipld-format"
dag "github.com/ipfs/go-merkledag"
)
type dagAPI struct {
ipld.DAGService
core *CoreAPI
}
type pinningAdder CoreAPI
func (adder *pinningAdder) Add(ctx context.Context, nd ipld.Node) error {
defer adder.blockstore.PinLock().Unlock()
if err := adder.dag.Add(ctx, nd); err != nil {
return err
}
adder.pinning.PinWithMode(nd.Cid(), pin.Recursive)
return adder.pinning.Flush(ctx)
}
func (adder *pinningAdder) AddMany(ctx context.Context, nds []ipld.Node) error {
defer adder.blockstore.PinLock().Unlock()
if err := adder.dag.AddMany(ctx, nds); err != nil {
return err
}
cids := cid.NewSet()
for _, nd := range nds {
c := nd.Cid()
if cids.Visit(c) {
adder.pinning.PinWithMode(c, pin.Recursive)
}
}
return adder.pinning.Flush(ctx)
}
func (api *dagAPI) Pinning() ipld.NodeAdder {
return (*pinningAdder)(api.core)
}
func (api *dagAPI) Session(ctx context.Context) ipld.NodeGetter {
return dag.NewSession(ctx, api.DAGService)
}
var (
_ ipld.DAGService = (*dagAPI)(nil)
_ dag.SessionMaker = (*dagAPI)(nil)
)