lotus/chain/gen/genesis/t06_vreg.go

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2020-04-21 18:25:43 +00:00
package genesis
import (
"context"
"crypto/rand"
"github.com/filecoin-project/go-address"
"github.com/ipfs/go-hamt-ipld"
bstore "github.com/ipfs/go-ipfs-blockstore"
cbor "github.com/ipfs/go-ipld-cbor"
"github.com/filecoin-project/specs-actors/actors/builtin"
"github.com/filecoin-project/specs-actors/actors/builtin/verifreg"
"github.com/filecoin-project/lotus/chain/types"
)
func SetupVerifiedRegistryActor(bs bstore.Blockstore) (*types.Actor, error) {
cst := cbor.NewCborStore(bs)
h, err := cst.Put(context.TODO(), hamt.NewNode(cst, hamt.UseTreeBitWidth(5)))
if err != nil {
return nil, err
}
var r [32]byte // TODO: grab from genesis template
_, _ = rand.Read(r[:])
k, _ := address.NewSecp256k1Address(r[:])
sms := verifreg.ConstructState(h, k)
stcid, err := cst.Put(context.TODO(), sms)
if err != nil {
return nil, err
}
act := &types.Actor{
Code: builtin.VerifiedRegistryActorCodeID,
Head: stcid,
Balance: types.NewInt(0),
}
return act, nil
}