package multisig import ( "fmt" "github.com/minio/blake2b-simd" cbg "github.com/whyrusleeping/cbor-gen" "golang.org/x/xerrors" "github.com/filecoin-project/go-address" "github.com/filecoin-project/go-state-types/abi" "github.com/filecoin-project/go-state-types/cbor" "github.com/ipfs/go-cid" msig0 "github.com/filecoin-project/specs-actors/actors/builtin/multisig" msig4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/multisig" {{range .versions}} builtin{{.}} "github.com/filecoin-project/specs-actors{{import .}}actors/builtin"{{end}} "github.com/filecoin-project/lotus/chain/actors" "github.com/filecoin-project/lotus/chain/actors/adt" "github.com/filecoin-project/lotus/chain/actors/builtin" "github.com/filecoin-project/lotus/chain/types" ) func init() { {{range .versions}} builtin.RegisterActorState(builtin{{.}}.MultisigActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) { return load{{.}}(store, root) }) {{end}}} func Load(store adt.Store, act *types.Actor) (State, error) { switch act.Code { {{range .versions}} case builtin{{.}}.MultisigActorCodeID: return load{{.}}(store, act.Head) {{end}} } return nil, xerrors.Errorf("unknown actor code %s", act.Code) } type State interface { cbor.Marshaler LockedBalance(epoch abi.ChainEpoch) (abi.TokenAmount, error) StartEpoch() (abi.ChainEpoch, error) UnlockDuration() (abi.ChainEpoch, error) InitialBalance() (abi.TokenAmount, error) Threshold() (uint64, error) Signers() ([]address.Address, error) ForEachPendingTxn(func(id int64, txn Transaction) error) error PendingTxnChanged(State) (bool, error) transactions() (adt.Map, error) decodeTransaction(val *cbg.Deferred) (Transaction, error) } type Transaction = msig0.Transaction var Methods = builtin{{.latestVersion}}.MethodsMultisig func Message(version actors.Version, from address.Address) MessageBuilder { switch version { {{range .versions}} case actors.Version{{.}}: return message{{.}}{{"{"}}{{if (ge . 2)}}message0{from}{{else}}from{{end}}} {{end}} default: panic(fmt.Sprintf("unsupported actors version: %d", version)) } } type MessageBuilder interface { // Create a new multisig with the specified parameters. Create(signers []address.Address, threshold uint64, vestingStart, vestingDuration abi.ChainEpoch, initialAmount abi.TokenAmount) (*types.Message, error) // Propose a transaction to the given multisig. Propose(msig, target address.Address, amt abi.TokenAmount, method abi.MethodNum, params []byte) (*types.Message, error) // Approve a multisig transaction. The "hash" is optional. Approve(msig address.Address, txID uint64, hash *ProposalHashData) (*types.Message, error) // Cancel a multisig transaction. The "hash" is optional. Cancel(msig address.Address, txID uint64, hash *ProposalHashData) (*types.Message, error) } // this type is the same between v0 and v2 type ProposalHashData = msig{{.latestVersion}}.ProposalHashData type ProposeReturn = msig{{.latestVersion}}.ProposeReturn type ProposeParams = msig{{.latestVersion}}.ProposeParams func txnParams(id uint64, data *ProposalHashData) ([]byte, error) { params := msig{{.latestVersion}}.TxnIDParams{ID: msig4.TxnID(id)} if data != nil { if data.Requester.Protocol() != address.ID { return nil, xerrors.Errorf("proposer address must be an ID address, was %s", data.Requester) } if data.Value.Sign() == -1 { return nil, xerrors.Errorf("proposal value must be non-negative, was %s", data.Value) } if data.To == address.Undef { return nil, xerrors.Errorf("proposed destination address must be set") } pser, err := data.Serialize() if err != nil { return nil, err } hash := blake2b.Sum256(pser) params.ProposalHash = hash[:] } return actors.SerializeParams(¶ms) }