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WIP: Raft consensus for lotus nodes in a cluster
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Shrenuj Bansal
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Sep 12, 2022
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| package messagesigner | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "reflect" | ||
|
|
||
| "github.com/google/uuid" | ||
| "github.com/ipfs/go-datastore" | ||
| "github.com/ipfs/go-datastore/namespace" | ||
| libp2pconsensus "github.com/libp2p/go-libp2p-consensus" | ||
| "golang.org/x/xerrors" | ||
|
|
||
| "github.com/filecoin-project/lotus/api" | ||
| "github.com/filecoin-project/lotus/chain/types" | ||
| consensus "github.com/filecoin-project/lotus/lib/consensus/raft" | ||
| "github.com/filecoin-project/lotus/node/modules/dtypes" | ||
| ) | ||
|
|
||
| type MessageSignerConsensus struct { | ||
| //msgSigner MessageSigner | ||
| MsgSigner | ||
| consensus *consensus.Consensus | ||
| } | ||
|
|
||
| //var _ full.MsgSigner = &MessageSignerConsensus{} | ||
|
|
||
| func NewMessageSignerConsensus( | ||
| wallet api.Wallet, | ||
| mpool MpoolNonceAPI, | ||
| ds dtypes.MetadataDS, | ||
| consensus *consensus.Consensus) *MessageSignerConsensus { | ||
|
|
||
| ds = namespace.Wrap(ds, datastore.NewKey("/message-signer-consensus/")) | ||
| return &MessageSignerConsensus{ | ||
| MsgSigner: &MessageSigner{ | ||
| wallet: wallet, | ||
| mpool: mpool, | ||
| ds: ds, | ||
| }, | ||
| consensus: consensus, | ||
| } | ||
| } | ||
|
|
||
| func (ms *MessageSignerConsensus) IsLeader(ctx context.Context) bool { | ||
| return ms.consensus.IsLeader(ctx) | ||
| } | ||
|
|
||
| func (ms *MessageSignerConsensus) RedirectToLeader(ctx context.Context, method string, arg interface{}, ret interface{}) (bool, error) { | ||
| ok, err := ms.consensus.RedirectToLeader(method, arg, ret.(*types.SignedMessage)) | ||
| if err != nil { | ||
| return ok, err | ||
| } | ||
| return ok, nil | ||
| } | ||
|
|
||
| func (ms *MessageSignerConsensus) SignMessage( | ||
| ctx context.Context, | ||
| msg *types.Message, | ||
| spec *api.MessageSendSpec, | ||
| cb func(*types.SignedMessage) error) (*types.SignedMessage, error) { | ||
|
|
||
| signedMsg, err := ms.MsgSigner.SignMessage(ctx, msg, spec, cb) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| //u := uuid.New() | ||
| //if spec != nil { | ||
| // u = spec.MsgUuid | ||
| //} | ||
|
|
||
| //leader, err := ms.consensus.Leader(ctx) | ||
| ////curr := ms.consensus.IsLeader(ctx) | ||
| //log.Infof("Consensus leader: ", leader, "current node is leader: ", ms.consensus.IsLeader(ctx)) | ||
|
|
||
| op := &consensus.ConsensusOp{signedMsg.Message.Nonce, spec.MsgUuid, signedMsg.Message.From, signedMsg} | ||
| err = ms.consensus.Commit(ctx, op) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return signedMsg, nil | ||
| } | ||
|
|
||
| func (ms *MessageSignerConsensus) GetSignedMessage(ctx context.Context, uuid uuid.UUID) (*types.SignedMessage, error) { | ||
| state, err := ms.consensus.State(ctx) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| log.Infof("!!!!!!!!!!!!!!!!!!!!!!!STate type: %v", reflect.TypeOf(state)) | ||
|
|
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| cstate := state.(consensus.RaftState) | ||
| msg, ok := cstate.MsgUuids[uuid] | ||
| if !ok { | ||
| return nil, xerrors.Errorf("Msg with Uuid %s not available", uuid) | ||
| } | ||
| return msg, nil | ||
| } | ||
|
|
||
| func (ms *MessageSignerConsensus) GetRaftState(ctx context.Context) (libp2pconsensus.State, error) { | ||
| fmt.Println("Gets to message signer consensus raft state") | ||
| return ms.consensus.State(ctx) | ||
| } | ||
|
|
||
| //func (ms *MessageSignerConsensus) StoreSignedMessage(ctx context.Context, uuid uuid.UUID, message *types.SignedMessage) error { | ||
| // | ||
| // ms.consensus | ||
| // return ms.MsgSigner.StoreSignedMessage(ctx, uuid, message) | ||
| //} | ||
| // | ||
| //func (ms *MessageSignerConsensus) NextNonce(ctx context.Context, addr address.Address) (uint64, error) { | ||
| // return ms.msgSigner.NextNonce(ctx, addr) | ||
| //} | ||
| // | ||
| //func (ms *MessageSignerConsensus) SaveNonce(ctx context.Context, addr address.Address, nonce uint64) error { | ||
| // return ms.msgSigner.SaveNonce(ctx, addr, nonce) | ||
| //} | ||
| // | ||
| //func (ms *MessageSignerConsensus) DstoreKey(addr address.Address) datastore.Key { | ||
| // return ms.msgSigner.DstoreKey(addr) | ||
| //} |
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