117 lines
2.9 KiB
Go
117 lines
2.9 KiB
Go
package multisig
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import (
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"bytes"
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"encoding/binary"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/ipfs/go-cid"
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cbg "github.com/whyrusleeping/cbor-gen"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/lotus/chain/actors/adt"
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msig2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/multisig"
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adt2 "github.com/filecoin-project/specs-actors/v2/actors/util/adt"
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)
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var _ State = (*state2)(nil)
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func load2(store adt.Store, root cid.Cid) (State, error) {
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out := state2{store: store}
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err := store.Get(store.Context(), root, &out)
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if err != nil {
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return nil, err
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}
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return &out, nil
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}
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func make2(store adt.Store, signers []address.Address, threshold uint64, startEpoch abi.ChainEpoch, unlockDuration abi.ChainEpoch, initialBalance abi.TokenAmount) (State, error) {
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out := state2{store: store}
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out.State = msig2.State{}
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out.State.Signers = signers
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out.State.NumApprovalsThreshold = threshold
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out.State.StartEpoch = startEpoch
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out.State.UnlockDuration = unlockDuration
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out.State.InitialBalance = initialBalance
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em, err := adt2.MakeEmptyMap(store).Root()
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if err != nil {
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return nil, err
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}
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out.State.PendingTxns = em
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return &out, nil
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}
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type state2 struct {
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msig2.State
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store adt.Store
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}
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func (s *state2) LockedBalance(currEpoch abi.ChainEpoch) (abi.TokenAmount, error) {
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return s.State.AmountLocked(currEpoch - s.State.StartEpoch), nil
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}
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func (s *state2) StartEpoch() (abi.ChainEpoch, error) {
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return s.State.StartEpoch, nil
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}
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func (s *state2) UnlockDuration() (abi.ChainEpoch, error) {
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return s.State.UnlockDuration, nil
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}
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func (s *state2) InitialBalance() (abi.TokenAmount, error) {
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return s.State.InitialBalance, nil
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}
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func (s *state2) Threshold() (uint64, error) {
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return s.State.NumApprovalsThreshold, nil
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}
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func (s *state2) Signers() ([]address.Address, error) {
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return s.State.Signers, nil
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}
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func (s *state2) ForEachPendingTxn(cb func(id int64, txn Transaction) error) error {
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arr, err := adt2.AsMap(s.store, s.State.PendingTxns)
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if err != nil {
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return err
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}
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var out msig2.Transaction
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return arr.ForEach(&out, func(key string) error {
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txid, n := binary.Varint([]byte(key))
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if n <= 0 {
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return xerrors.Errorf("invalid pending transaction key: %v", key)
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}
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return cb(txid, (Transaction)(out)) //nolint:unconvert
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})
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}
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func (s *state2) PendingTxnChanged(other State) (bool, error) {
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other2, ok := other.(*state2)
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if !ok {
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// treat an upgrade as a change, always
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return true, nil
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}
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return !s.State.PendingTxns.Equals(other2.PendingTxns), nil
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}
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func (s *state2) transactions() (adt.Map, error) {
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return adt2.AsMap(s.store, s.PendingTxns)
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}
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func (s *state2) decodeTransaction(val *cbg.Deferred) (Transaction, error) {
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var tx msig2.Transaction
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if err := tx.UnmarshalCBOR(bytes.NewReader(val.Raw)); err != nil {
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return Transaction{}, err
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}
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return Transaction(tx), nil
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}
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func (s *state2) GetState() interface{} {
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return &s.State
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}
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