lotus/chain/actors/builtin/multisig/state.go.template

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package multisig
import (
"bytes"
"encoding/binary"
adt{{.v}} "github.com/filecoin-project/specs-actors{{.import}}actors/util/adt"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/go-state-types/abi"
"github.com/ipfs/go-cid"
cbg "github.com/whyrusleeping/cbor-gen"
"golang.org/x/xerrors"
"github.com/filecoin-project/lotus/chain/actors/adt"
{{if (ge .v 3)}}
builtin{{.v}} "github.com/filecoin-project/specs-actors{{.import}}actors/builtin"
{{end}}
msig{{.v}} "github.com/filecoin-project/specs-actors{{.import}}actors/builtin/multisig"
)
var _ State = (*state{{.v}})(nil)
func load{{.v}}(store adt.Store, root cid.Cid) (State, error) {
out := state{{.v}}{store: store}
err := store.Get(store.Context(), root, &out)
if err != nil {
return nil, err
}
return &out, nil
}
type state{{.v}} struct {
msig{{.v}}.State
store adt.Store
}
func (s *state{{.v}}) LockedBalance(currEpoch abi.ChainEpoch) (abi.TokenAmount, error) {
return s.State.AmountLocked(currEpoch - s.State.StartEpoch), nil
}
func (s *state{{.v}}) StartEpoch() (abi.ChainEpoch, error) {
return s.State.StartEpoch, nil
}
func (s *state{{.v}}) UnlockDuration() (abi.ChainEpoch, error) {
return s.State.UnlockDuration, nil
}
func (s *state{{.v}}) InitialBalance() (abi.TokenAmount, error) {
return s.State.InitialBalance, nil
}
func (s *state{{.v}}) Threshold() (uint64, error) {
return s.State.NumApprovalsThreshold, nil
}
func (s *state{{.v}}) Signers() ([]address.Address, error) {
return s.State.Signers, nil
}
func (s *state{{.v}}) ForEachPendingTxn(cb func(id int64, txn Transaction) error) error {
arr, err := adt{{.v}}.AsMap(s.store, s.State.PendingTxns{{if (ge .v 3)}}, builtin{{.v}}.DefaultHamtBitwidth{{end}})
if err != nil {
return err
}
var out msig{{.v}}.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 *state{{.v}}) PendingTxnChanged(other State) (bool, error) {
other{{.v}}, ok := other.(*state{{.v}})
if !ok {
// treat an upgrade as a change, always
return true, nil
}
return !s.State.PendingTxns.Equals(other{{.v}}.PendingTxns), nil
}
func (s *state{{.v}}) transactions() (adt.Map, error) {
return adt{{.v}}.AsMap(s.store, s.PendingTxns{{if (ge .v 3)}}, builtin{{.v}}.DefaultHamtBitwidth{{end}})
}
func (s *state{{.v}}) decodeTransaction(val *cbg.Deferred) (Transaction, error) {
var tx msig{{.v}}.Transaction
if err := tx.UnmarshalCBOR(bytes.NewReader(val.Raw)); err != nil {
return Transaction{}, err
}
return tx, nil
}