144 lines
4.6 KiB
Plaintext
144 lines
4.6 KiB
Plaintext
package multisig
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import (
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actorstypes "github.com/filecoin-project/go-state-types/actors"
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"fmt"
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"github.com/minio/blake2b-simd"
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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/go-address"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/go-state-types/cbor"
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msig{{.latestVersion}} "github.com/filecoin-project/go-state-types/builtin{{import .latestVersion}}multisig"
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{{range .versions}}
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{{if (le . 7)}}
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builtin{{.}} "github.com/filecoin-project/specs-actors{{import .}}actors/builtin"
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{{end}}
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{{end}}
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builtintypes "github.com/filecoin-project/go-state-types/builtin"
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"github.com/filecoin-project/lotus/chain/actors"
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"github.com/filecoin-project/lotus/chain/actors/adt"
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"github.com/filecoin-project/lotus/chain/types"
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)
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func Load(store adt.Store, act *types.Actor) (State, error) {
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if name, av, ok := actors.GetActorMetaByCode(act.Code); ok {
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if name != actors.MultisigKey {
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return nil, xerrors.Errorf("actor code is not multisig: %s", name)
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}
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switch av {
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{{range .versions}}
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{{if (ge . 8)}}
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case actorstypes.Version{{.}}:
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return load{{.}}(store, act.Head)
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{{end}}
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{{end}}
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}
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}
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switch act.Code {
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{{range .versions}}
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{{if (le . 7)}}
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case builtin{{.}}.MultisigActorCodeID:
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return load{{.}}(store, act.Head)
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{{end}}
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{{end}}
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}
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return nil, xerrors.Errorf("unknown actor code %s", act.Code)
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}
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func MakeState(store adt.Store, av actorstypes.Version, signers []address.Address, threshold uint64, startEpoch abi.ChainEpoch, unlockDuration abi.ChainEpoch, initialBalance abi.TokenAmount) (State, error) {
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switch av {
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{{range .versions}}
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case actorstypes.Version{{.}}:
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return make{{.}}(store, signers, threshold, startEpoch, unlockDuration, initialBalance)
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{{end}}
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}
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return nil, xerrors.Errorf("unknown actor version %d", av)
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}
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type State interface {
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cbor.Marshaler
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LockedBalance(epoch abi.ChainEpoch) (abi.TokenAmount, error)
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StartEpoch() (abi.ChainEpoch, error)
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UnlockDuration() (abi.ChainEpoch, error)
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InitialBalance() (abi.TokenAmount, error)
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Threshold() (uint64, error)
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Signers() ([]address.Address, error)
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ForEachPendingTxn(func(id int64, txn Transaction) error) error
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PendingTxnChanged(State) (bool, error)
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transactions() (adt.Map, error)
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decodeTransaction(val *cbg.Deferred) (Transaction, error)
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GetState() interface{}
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}
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type Transaction = msig{{.latestVersion}}.Transaction
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var Methods = builtintypes.MethodsMultisig
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func Message(version actorstypes.Version, from address.Address) MessageBuilder {
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switch version {
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{{range .versions}}
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case actorstypes.Version{{.}}:
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return message{{.}}{{"{"}}{{if (ge . 2)}}message0{from}{{else}}from{{end}}}
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{{end}} default:
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panic(fmt.Sprintf("unsupported actors version: %d", version))
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}
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}
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type MessageBuilder interface {
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// Create a new multisig with the specified parameters.
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Create(signers []address.Address, threshold uint64,
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vestingStart, vestingDuration abi.ChainEpoch,
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initialAmount abi.TokenAmount) (*types.Message, error)
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// Propose a transaction to the given multisig.
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Propose(msig, target address.Address, amt abi.TokenAmount,
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method abi.MethodNum, params []byte) (*types.Message, error)
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// Approve a multisig transaction. The "hash" is optional.
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Approve(msig address.Address, txID uint64, hash *ProposalHashData) (*types.Message, error)
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// Cancel a multisig transaction. The "hash" is optional.
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Cancel(msig address.Address, txID uint64, hash *ProposalHashData) (*types.Message, error)
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}
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// this type is the same between v0 and v2
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type ProposalHashData = msig{{.latestVersion}}.ProposalHashData
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type ProposeReturn = msig{{.latestVersion}}.ProposeReturn
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type ProposeParams = msig{{.latestVersion}}.ProposeParams
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type ApproveReturn = msig{{.latestVersion}}.ApproveReturn
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func txnParams(id uint64, data *ProposalHashData) ([]byte, error) {
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params := msig{{.latestVersion}}.TxnIDParams{ID: msig{{.latestVersion}}.TxnID(id)}
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if data != nil {
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if data.Requester.Protocol() != address.ID {
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return nil, xerrors.Errorf("proposer address must be an ID address, was %s", data.Requester)
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}
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if data.Value.Sign() == -1 {
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return nil, xerrors.Errorf("proposal value must be non-negative, was %s", data.Value)
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}
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if data.To == address.Undef {
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return nil, xerrors.Errorf("proposed destination address must be set")
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}
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pser, err := data.Serialize()
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if err != nil {
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return nil, err
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}
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hash := blake2b.Sum256(pser)
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params.ProposalHash = hash[:]
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}
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return actors.SerializeParams(¶ms)
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}
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