138 lines
4.5 KiB
Go
138 lines
4.5 KiB
Go
package multisig
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import (
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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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"github.com/ipfs/go-cid"
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msig0 "github.com/filecoin-project/specs-actors/actors/builtin/multisig"
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msig4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/multisig"
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builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
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builtin2 "github.com/filecoin-project/specs-actors/v2/actors/builtin"
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builtin3 "github.com/filecoin-project/specs-actors/v3/actors/builtin"
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builtin4 "github.com/filecoin-project/specs-actors/v4/actors/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/actors/builtin"
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"github.com/filecoin-project/lotus/chain/types"
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)
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func init() {
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builtin.RegisterActorState(builtin0.MultisigActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
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return load0(store, root)
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})
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builtin.RegisterActorState(builtin2.MultisigActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
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return load2(store, root)
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})
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builtin.RegisterActorState(builtin3.MultisigActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
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return load3(store, root)
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})
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builtin.RegisterActorState(builtin4.MultisigActorCodeID, func(store adt.Store, root cid.Cid) (cbor.Marshaler, error) {
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return load4(store, root)
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})
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}
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func Load(store adt.Store, act *types.Actor) (State, error) {
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switch act.Code {
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case builtin0.MultisigActorCodeID:
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return load0(store, act.Head)
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case builtin2.MultisigActorCodeID:
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return load2(store, act.Head)
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case builtin3.MultisigActorCodeID:
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return load3(store, act.Head)
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case builtin4.MultisigActorCodeID:
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return load4(store, act.Head)
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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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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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}
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type Transaction = msig0.Transaction
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var Methods = builtin4.MethodsMultisig
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func Message(version actors.Version, from address.Address) MessageBuilder {
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switch version {
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case actors.Version0:
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return message0{from}
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case actors.Version2:
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return message2{message0{from}}
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case actors.Version3:
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return message3{message0{from}}
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case actors.Version4:
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return message4{message0{from}}
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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 = msig4.ProposalHashData
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type ProposeReturn = msig4.ProposeReturn
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type ProposeParams = msig4.ProposeParams
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func txnParams(id uint64, data *ProposalHashData) ([]byte, error) {
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params := msig4.TxnIDParams{ID: msig4.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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