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coreapi: Untangle from core.IpfsNode

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License: MIT
Signed-off-by: Łukasz Magiera <magik6k@gmail.com>
This commit is contained in:
Łukasz Magiera
2018-12-06 21:00:40 +01:00
parent 6e90367696
commit 3183b1cb8e
14 changed files with 210 additions and 124 deletions
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94
core/coreapi/coreapi.go
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@ -15,25 +15,103 @@ package coreapi
import (
"context"
"errors"
core "github.com/ipfs/go-ipfs/core"
coreiface "github.com/ipfs/go-ipfs/core/coreapi/interface"
options "github.com/ipfs/go-ipfs/core/coreapi/interface/options"
namesys "github.com/ipfs/go-ipfs/namesys"
pin "github.com/ipfs/go-ipfs/pin"
repo "github.com/ipfs/go-ipfs/repo"
ci "gx/ipfs/QmNiJiXwWE3kRhZrC5ej3kSjWHm337pYfhjLGSCDNKJP2s/go-libp2p-crypto"
exchange "gx/ipfs/QmP2g3VxmC7g7fyRJDj1VJ72KHZbJ9UW24YjSWEj1XTb4H/go-ipfs-exchange-interface"
bserv "gx/ipfs/QmPoh3SrQzFBWtdGK6qmHDV4EanKR6kYPj4DD3J2NLoEmZ/go-blockservice"
routing "gx/ipfs/QmRASJXJUFygM5qU4YrH7k7jD6S4Hg8nJmgqJ4bYJvLatd/go-libp2p-routing"
blockstore "gx/ipfs/QmS2aqUZLJp8kF1ihE5rvDGE5LvmKDPnx32w9Z1BW9xLV5/go-ipfs-blockstore"
peer "gx/ipfs/QmY5Grm8pJdiSSVsYxx4uNRgweY72EmYwuSDbRnbFok3iY/go-libp2p-peer"
pstore "gx/ipfs/QmZ9zH2FnLcxv1xyzFeUpDUeo55xEhZQHgveZijcxr7TLj/go-libp2p-peerstore"
pubsub "gx/ipfs/QmaqGyUhWLsJbVo1QAujSu13mxNjFJ98Kt2VWGSnShGE1Q/go-libp2p-pubsub"
ipld "gx/ipfs/QmcKKBwfz6FyQdHR2jsXrrF6XeSBXYL86anmWNewpFpoF5/go-ipld-format"
logging "gx/ipfs/QmcuXC5cxs79ro2cUuHs4HQ2bkDLJUYokwL8aivcX6HW3C/go-log"
dag "gx/ipfs/QmdV35UHnL1FM52baPkeUo6u7Fxm2CRUkPTLRPxeF8a4Ap/go-merkledag"
record "gx/ipfs/QmfARXVCzpwFXQdepAJZuqyNDgV9doEsMnVCo1ssmuSe1U/go-libp2p-record"
p2phost "gx/ipfs/QmfD51tKgJiTMnW9JEiDiPwsCY4mqUoxkhKhBfyW12spTC/go-libp2p-host"
)
var log = logging.Logger("core/coreapi")
type CoreAPI struct {
node *core.IpfsNode
dag ipld.DAGService
nctx context.Context
identity peer.ID //TODO: check mutable structs
privateKey ci.PrivKey
repo repo.Repo
blockstore blockstore.GCBlockstore
baseBlocks blockstore.Blockstore
blocks bserv.BlockService
dag ipld.DAGService
pinning pin.Pinner
peerstore pstore.Peerstore
peerHost p2phost.Host
namesys namesys.NameSystem
recordValidator record.Validator
exchange exchange.Interface
routing routing.IpfsRouting
pubSub *pubsub.PubSub
checkRouting func(bool) error
// TODO: this can be generalized to all functions when we implement some
// api based security mechanism
isPublishAllowed func() error
}
// NewCoreAPI creates new instance of IPFS CoreAPI backed by go-ipfs Node.
func NewCoreAPI(n *core.IpfsNode) coreiface.CoreAPI {
api := &CoreAPI{n, n.DAG}
func NewCoreAPI(n *core.IpfsNode, opts ...options.ApiOption) coreiface.CoreAPI {
api := &CoreAPI{
nctx: n.Context(),
identity: n.Identity,
privateKey: n.PrivateKey,
repo: n.Repo,
blockstore: n.Blockstore,
baseBlocks: n.BaseBlocks,
blocks: n.Blocks,
dag: n.DAG,
pinning: n.Pinning,
peerstore: n.Peerstore,
peerHost: n.PeerHost,
namesys: n.Namesys,
recordValidator: n.RecordValidator,
exchange: n.Exchange,
routing: n.Routing,
pubSub: n.PubSub,
checkRouting: func(allowOffline bool) error {
if !n.OnlineMode() {
if !allowOffline {
return coreiface.ErrOffline
}
return n.SetupOfflineRouting()
}
return nil
},
isPublishAllowed: func() error {
if n.Mounts.Ipns != nil && n.Mounts.Ipns.IsActive() {
return errors.New("cannot manually publish while IPNS is mounted")
}
return nil
},
}
return api
}
@ -89,6 +167,10 @@ func (api *CoreAPI) PubSub() coreiface.PubSubAPI {
// getSession returns new api backed by the same node with a read-only session DAG
func (api *CoreAPI) getSession(ctx context.Context) *CoreAPI {
ng := dag.NewReadOnlyDagService(dag.NewSession(ctx, api.dag))
return &CoreAPI{api.node, ng}
sesApi := *api
//TODO: we may want to apply this to other things too
sesApi.dag = dag.NewReadOnlyDagService(dag.NewSession(ctx, api.dag))
return &sesApi
}