Added RPC calls for MsigCreate, MsigPropose, MsigApprove, and MsigCancel
This commit is contained in:
Aris
@@ -21,6 +21,7 @@ type FullNodeAPI struct {
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market.MarketAPI
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paych.PaychAPI
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full.StateAPI
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full.MsigAPI
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full.WalletAPI
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full.SyncAPI
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}
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@@ -0,0 +1,224 @@
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package full
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import (
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"context"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/chain/actors"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/specs-actors/actors/abi"
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"github.com/filecoin-project/specs-actors/actors/builtin"
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init_ "github.com/filecoin-project/specs-actors/actors/builtin/init"
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samsig "github.com/filecoin-project/specs-actors/actors/builtin/multisig"
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"github.com/ipfs/go-cid"
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"github.com/minio/blake2b-simd"
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"go.uber.org/fx"
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"golang.org/x/xerrors"
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)
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type MsigAPI struct {
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fx.In
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WalletAPI WalletAPI
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StateAPI StateAPI
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MpoolAPI MpoolAPI
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}
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func (a *MsigAPI) MsigCreate(ctx context.Context, req int64, addrs []address.Address, val types.BigInt, src address.Address, gp types.BigInt) (cid.Cid, error) {
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lenAddrs := int64(len(addrs))
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if lenAddrs < req {
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return cid.Undef, xerrors.Errorf("cannot require signing of more addresses than provided for multisig")
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}
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if req == 0 {
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req = lenAddrs
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}
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if src == address.Undef {
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return cid.Undef, xerrors.Errorf("must provide source address")
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}
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if gp == types.EmptyInt {
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gp = types.NewInt(1)
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}
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// Set up constructor parameters for multisig
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msigParams := &samsig.ConstructorParams{
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Signers: addrs,
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NumApprovalsThreshold: req,
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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 cid.Undef, 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 := &init_.ExecParams{
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CodeCID: builtin.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 cid.Undef, actErr
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}
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// now we create the message to send this with
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msg := types.Message{
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To: builtin.InitActorAddr,
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From: src,
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Method: builtin.MethodsInit.Exec,
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Params: enc,
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GasPrice: gp,
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GasLimit: 1000000,
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Value: val,
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}
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// send the message out to the network
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smsg, err := a.MpoolAPI.MpoolPushMessage(ctx, &msg)
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if err != nil {
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return cid.Undef, err
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}
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return smsg.Cid(), nil
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}
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func (a *MsigAPI) MsigPropose(ctx context.Context, msig address.Address, to address.Address, amt types.BigInt, src address.Address, method uint64, params []byte) (cid.Cid, error) {
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if msig == address.Undef {
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return cid.Undef, 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 cid.Undef, 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 cid.Undef, xerrors.Errorf("must provide a positive amount for proposed send")
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}
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if src == address.Undef {
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return cid.Undef, xerrors.Errorf("must provide source address")
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}
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enc, actErr := actors.SerializeParams(&samsig.ProposeParams{
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To: to,
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Value: amt,
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Method: abi.MethodNum(method),
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Params: params,
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})
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if actErr != nil {
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return cid.Undef, actErr
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}
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msg := &types.Message{
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To: msig,
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From: src,
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Value: types.NewInt(0),
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Method: builtin.MethodsMultisig.Propose,
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Params: enc,
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GasLimit: 100000,
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GasPrice: types.NewInt(1),
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}
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smsg, err := a.MpoolAPI.MpoolPushMessage(ctx, msg)
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if err != nil {
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return cid.Undef, nil
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}
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return smsg.Cid(), nil
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}
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func (a *MsigAPI) MsigApprove(ctx context.Context, msig address.Address, txID uint64, proposer address.Address, to address.Address, amt types.BigInt, src address.Address, method uint64, params []byte) (cid.Cid, error) {
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return a.msigApproveOrCancel(ctx, api.MsigApprove, msig, txID, proposer, to, amt, src, method, params)
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}
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func (a *MsigAPI) MsigCancel(ctx context.Context, msig address.Address, txID uint64, proposer address.Address, to address.Address, amt types.BigInt, src address.Address, method uint64, params []byte) (cid.Cid, error) {
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return a.msigApproveOrCancel(ctx, api.MsigCancel, msig, txID, proposer, to, amt, src, method, params)
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}
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func (a *MsigAPI) msigApproveOrCancel(ctx context.Context, operation api.MsigProposeResponse, msig address.Address, txID uint64, proposer address.Address, to address.Address, amt types.BigInt, src address.Address, method uint64, params []byte) (cid.Cid, error) {
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if msig == address.Undef {
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return cid.Undef, xerrors.Errorf("must provide multisig address")
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}
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if to == address.Undef {
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return cid.Undef, xerrors.Errorf("must provide proposed target address")
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}
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if amt.Sign() == -1 {
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return cid.Undef, xerrors.Errorf("must provide the positive amount that was proposed")
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}
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if src == address.Undef {
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return cid.Undef, xerrors.Errorf("must provide source address")
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}
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if proposer.Protocol() != address.ID {
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proposerID, err := a.StateAPI.StateLookupID(ctx, proposer, types.EmptyTSK)
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if err != nil {
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return cid.Undef, err
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}
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proposer = proposerID
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}
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p := samsig.ProposalHashData{
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Requester: proposer,
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To: to,
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Value: amt,
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Method: abi.MethodNum(method),
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Params: params,
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}
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pser, err := p.Serialize()
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if err != nil {
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return cid.Undef, err
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}
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phash := blake2b.Sum256(pser)
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enc, err := actors.SerializeParams(&samsig.TxnIDParams{
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ID: samsig.TxnID(txID),
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ProposalHash: phash[:],
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})
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if err != nil {
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return cid.Undef, err
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}
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var msigResponseMethod abi.MethodNum
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/*
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We pass in a MsigProposeResponse instead of MethodNum to
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tighten the possible inputs to just Approve and Cancel.
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*/
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switch operation {
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case api.MsigApprove:
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msigResponseMethod = builtin.MethodsMultisig.Approve
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case api.MsigCancel:
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msigResponseMethod = builtin.MethodsMultisig.Cancel
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default:
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return cid.Undef, xerrors.Errorf("Invalid operation for msigApproveOrCancel")
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}
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msg := &types.Message{
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To: msig,
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From: src,
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Value: types.NewInt(0),
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Method: msigResponseMethod,
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Params: enc,
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GasLimit: 100000,
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GasPrice: types.NewInt(1),
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}
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smsg, err := a.MpoolAPI.MpoolPushMessage(ctx, msg)
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if err != nil {
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return cid.Undef, err
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}
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return smsg.Cid(), nil
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}
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