148 lines
2.8 KiB
Go
148 lines
2.8 KiB
Go
package actors
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import (
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"context"
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"strings"
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"sync"
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"github.com/filecoin-project/go-state-types/manifest"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/lotus/chain/actors/adt"
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cid "github.com/ipfs/go-cid"
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cbor "github.com/ipfs/go-ipld-cbor"
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)
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var manifestCids map[Version]cid.Cid
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var manifests map[Version]*manifest.Manifest
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var actorMeta map[cid.Cid]actorEntry
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const (
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AccountKey = "account"
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CronKey = "cron"
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InitKey = "init"
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MarketKey = "storagemarket"
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MinerKey = "storageminer"
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MultisigKey = "multisig"
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PaychKey = "paymentchannel"
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PowerKey = "storagepower"
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RewardKey = "reward"
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SystemKey = "system"
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VerifregKey = "verifiedregistry"
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)
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func GetBuiltinActorsKeys() []string {
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return []string{
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AccountKey,
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CronKey,
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InitKey,
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MarketKey,
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MinerKey,
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MultisigKey,
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PaychKey,
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PowerKey,
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RewardKey,
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SystemKey,
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VerifregKey,
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}
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}
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var (
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manifestMx sync.RWMutex
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)
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type actorEntry struct {
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name string
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version Version
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}
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func AddManifest(av Version, manifestCid cid.Cid) {
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manifestMx.Lock()
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defer manifestMx.Unlock()
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if manifestCids == nil {
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manifestCids = make(map[Version]cid.Cid)
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}
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manifestCids[av] = manifestCid
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}
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func GetManifest(av Version) (cid.Cid, bool) {
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manifestMx.RLock()
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defer manifestMx.RUnlock()
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c, ok := manifestCids[av]
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return c, ok
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}
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func LoadManifests(ctx context.Context, store cbor.IpldStore) error {
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manifestMx.Lock()
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defer manifestMx.Unlock()
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return loadManifests(ctx, store)
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}
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func loadManifests(ctx context.Context, store cbor.IpldStore) error {
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adtStore := adt.WrapStore(ctx, store)
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manifests = make(map[Version]*manifest.Manifest)
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actorMeta = make(map[cid.Cid]actorEntry)
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for av, mfCid := range manifestCids {
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mf := &manifest.Manifest{}
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if err := adtStore.Get(ctx, mfCid, mf); err != nil {
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return xerrors.Errorf("error reading manifest for network version %d (cid: %s): %w", av, mfCid, err)
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}
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if err := mf.Load(ctx, adtStore); err != nil {
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return xerrors.Errorf("error loading manifest for network version %d: %w", av, err)
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}
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manifests[av] = mf
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var actorKeys = GetBuiltinActorsKeys()
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for _, name := range actorKeys {
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c, ok := mf.Get(name)
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if ok {
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actorMeta[c] = actorEntry{name: name, version: av}
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}
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}
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}
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return nil
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}
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func GetActorCodeID(av Version, name string) (cid.Cid, bool) {
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manifestMx.RLock()
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defer manifestMx.RUnlock()
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mf, ok := manifests[av]
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if ok {
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return mf.Get(name)
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}
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return cid.Undef, false
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}
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func GetActorMetaByCode(c cid.Cid) (string, Version, bool) {
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manifestMx.RLock()
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defer manifestMx.RUnlock()
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entry, ok := actorMeta[c]
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if !ok {
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return "", -1, false
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}
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return entry.name, entry.version, true
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}
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func CanonicalName(name string) string {
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idx := strings.LastIndex(name, "/")
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if idx >= 0 {
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return name[idx+1:]
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}
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return name
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}
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