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lotus.go
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lotus.go
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package main
import (
"bytes"
"context"
"net/http"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-jsonrpc"
systemActor "github.com/filecoin-project/go-state-types/builtin/v8/system"
"github.com/filecoin-project/go-state-types/manifest"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/chain/types"
)
type Lotus struct {
api api.FullNodeStruct
rpcCloser jsonrpc.ClientCloser
}
func (l *Lotus) Open(url string) error {
var err error
l.rpcCloser, err = jsonrpc.NewMergeClient(context.Background(),
url,
"Filecoin",
api.GetInternalStructs(&l.api),
http.Header{})
return err
}
func (l *Lotus) Close() {
l.rpcCloser()
}
func (l *Lotus) GetActorCodeMap() (ActorCodeMap, error) {
addr, err := address.NewFromString("f00")
if err != nil {
return nil, err
}
actor, err := l.api.StateReadState(context.Background(), addr, types.EmptyTSK)
if err != nil {
return nil, err
}
var state systemActor.State
err = MapToInterface(actor.State, &state)
if err != nil {
return nil, err
}
object, err := l.api.ChainReadObj(context.Background(), state.BuiltinActors)
if err != nil {
return nil, err
}
var data manifest.ManifestData
err = data.UnmarshalCBOR(bytes.NewReader(object))
if err != nil {
return nil, err
}
var actorCodeMap = ActorCodeMap{}
for _, entry := range data.Entries {
actorCodeMap[entry.Name] = entry.Code.String()
}
return actorCodeMap, nil
}