lotus/chain/actors/builtin/multisig/v7.go
2022-06-14 17:00:51 +02:00

118 lines
3.1 KiB
Go

package multisig
import (
"bytes"
"encoding/binary"
"github.com/ipfs/go-cid"
cbg "github.com/whyrusleeping/cbor-gen"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/abi"
builtin7 "github.com/filecoin-project/specs-actors/v7/actors/builtin"
msig7 "github.com/filecoin-project/specs-actors/v7/actors/builtin/multisig"
adt7 "github.com/filecoin-project/specs-actors/v7/actors/util/adt"
"github.com/filecoin-project/lotus/chain/actors/adt"
)
var _ State = (*state7)(nil)
func load7(store adt.Store, root cid.Cid) (State, error) {
out := state7{store: store}
err := store.Get(store.Context(), root, &out)
if err != nil {
return nil, err
}
return &out, nil
}
func make7(store adt.Store, signers []address.Address, threshold uint64, startEpoch abi.ChainEpoch, unlockDuration abi.ChainEpoch, initialBalance abi.TokenAmount) (State, error) {
out := state7{store: store}
out.State = msig7.State{}
out.State.Signers = signers
out.State.NumApprovalsThreshold = threshold
out.State.StartEpoch = startEpoch
out.State.UnlockDuration = unlockDuration
out.State.InitialBalance = initialBalance
em, err := adt7.StoreEmptyMap(store, builtin7.DefaultHamtBitwidth)
if err != nil {
return nil, err
}
out.State.PendingTxns = em
return &out, nil
}
type state7 struct {
msig7.State
store adt.Store
}
func (s *state7) LockedBalance(currEpoch abi.ChainEpoch) (abi.TokenAmount, error) {
return s.State.AmountLocked(currEpoch - s.State.StartEpoch), nil
}
func (s *state7) StartEpoch() (abi.ChainEpoch, error) {
return s.State.StartEpoch, nil
}
func (s *state7) UnlockDuration() (abi.ChainEpoch, error) {
return s.State.UnlockDuration, nil
}
func (s *state7) InitialBalance() (abi.TokenAmount, error) {
return s.State.InitialBalance, nil
}
func (s *state7) Threshold() (uint64, error) {
return s.State.NumApprovalsThreshold, nil
}
func (s *state7) Signers() ([]address.Address, error) {
return s.State.Signers, nil
}
func (s *state7) ForEachPendingTxn(cb func(id int64, txn Transaction) error) error {
arr, err := adt7.AsMap(s.store, s.State.PendingTxns, builtin7.DefaultHamtBitwidth)
if err != nil {
return err
}
var out msig7.Transaction
return arr.ForEach(&out, func(key string) error {
txid, n := binary.Varint([]byte(key))
if n <= 0 {
return xerrors.Errorf("invalid pending transaction key: %v", key)
}
return cb(txid, (Transaction)(out)) //nolint:unconvert
})
}
func (s *state7) PendingTxnChanged(other State) (bool, error) {
other7, ok := other.(*state7)
if !ok {
// treat an upgrade as a change, always
return true, nil
}
return !s.State.PendingTxns.Equals(other7.PendingTxns), nil
}
func (s *state7) transactions() (adt.Map, error) {
return adt7.AsMap(s.store, s.PendingTxns, builtin7.DefaultHamtBitwidth)
}
func (s *state7) decodeTransaction(val *cbg.Deferred) (Transaction, error) {
var tx msig7.Transaction
if err := tx.UnmarshalCBOR(bytes.NewReader(val.Raw)); err != nil {
return Transaction{}, err
}
return Transaction(tx), nil
}
func (s *state7) GetState() interface{} {
return &s.State
}