143 lines
3.5 KiB
Go
143 lines
3.5 KiB
Go
package multisig
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import (
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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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builtin0 "github.com/filecoin-project/specs-actors/actors/builtin"
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init0 "github.com/filecoin-project/specs-actors/actors/builtin/init"
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multisig0 "github.com/filecoin-project/specs-actors/actors/builtin/multisig"
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"github.com/filecoin-project/lotus/chain/actors"
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init_ "github.com/filecoin-project/lotus/chain/actors/builtin/init"
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"github.com/filecoin-project/lotus/chain/types"
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)
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type message0 struct{ from address.Address }
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func (m message0) Create(
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signers []address.Address, threshold uint64,
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unlockStart, unlockDuration abi.ChainEpoch,
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initialAmount abi.TokenAmount,
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) (*types.Message, error) {
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lenAddrs := uint64(len(signers))
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if lenAddrs < threshold {
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return nil, xerrors.Errorf("cannot require signing of more addresses than provided for multisig")
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}
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if threshold == 0 {
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threshold = lenAddrs
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}
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if m.from == address.Undef {
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return nil, xerrors.Errorf("must provide source address")
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}
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if unlockStart != 0 {
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return nil, xerrors.Errorf("actors v0 does not support a non-zero vesting start time")
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}
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// Set up constructor parameters for multisig
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msigParams := &multisig0.ConstructorParams{
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Signers: signers,
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NumApprovalsThreshold: threshold,
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UnlockDuration: unlockDuration,
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}
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enc, actErr := actors.SerializeParams(msigParams)
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if actErr != nil {
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return nil, actErr
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}
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// new actors are created by invoking 'exec' on the init actor with the constructor params
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execParams := &init0.ExecParams{
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CodeCID: builtin0.MultisigActorCodeID,
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ConstructorParams: enc,
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}
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enc, actErr = actors.SerializeParams(execParams)
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if actErr != nil {
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return nil, actErr
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}
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return &types.Message{
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To: init_.Address,
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From: m.from,
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Method: builtin0.MethodsInit.Exec,
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Params: enc,
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Value: initialAmount,
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}, nil
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}
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func (m message0) Propose(msig, to address.Address, amt abi.TokenAmount,
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method abi.MethodNum, params []byte) (*types.Message, error) {
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if msig == address.Undef {
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return nil, xerrors.Errorf("must provide a multisig address for proposal")
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}
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if to == address.Undef {
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return nil, xerrors.Errorf("must provide a target address for proposal")
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}
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if amt.Sign() == -1 {
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return nil, xerrors.Errorf("must provide a non-negative amount for proposed send")
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}
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if m.from == address.Undef {
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return nil, xerrors.Errorf("must provide source address")
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}
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enc, actErr := actors.SerializeParams(&multisig0.ProposeParams{
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To: to,
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Value: amt,
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Method: method,
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Params: params,
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})
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if actErr != nil {
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return nil, xerrors.Errorf("failed to serialize parameters: %w", actErr)
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}
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return &types.Message{
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To: msig,
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From: m.from,
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Value: abi.NewTokenAmount(0),
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Method: builtin0.MethodsMultisig.Propose,
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Params: enc,
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}, nil
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}
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func (m message0) Approve(msig address.Address, txID uint64, hashData *ProposalHashData) (*types.Message, error) {
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enc, err := txnParams(txID, hashData)
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if err != nil {
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return nil, err
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}
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return &types.Message{
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To: msig,
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From: m.from,
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Value: types.NewInt(0),
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Method: builtin0.MethodsMultisig.Approve,
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Params: enc,
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}, nil
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}
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func (m message0) Cancel(msig address.Address, txID uint64, hashData *ProposalHashData) (*types.Message, error) {
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enc, err := txnParams(txID, hashData)
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if err != nil {
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return nil, err
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}
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return &types.Message{
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To: msig,
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From: m.from,
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Value: types.NewInt(0),
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Method: builtin0.MethodsMultisig.Cancel,
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Params: enc,
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}, nil
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}
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