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feat: Add JSON Rpc api support (#111)
* add jsonrpc api server * support json rpc
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,213 @@ | ||
| package rpc | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "sync" | ||
|
|
||
| "github.com/Layr-Labs/eigensdk-go/logging" | ||
| "github.com/alt-research/avs/api/grpc/aggregator" | ||
| "github.com/alt-research/avs/core/message" | ||
| "github.com/ethereum/go-ethereum/common/hexutil" | ||
| "github.com/ethereum/go-ethereum/node" | ||
| gethrpc "github.com/ethereum/go-ethereum/rpc" | ||
| ) | ||
|
|
||
| type JsonRpcServer struct { | ||
| logger logging.Logger | ||
| handler JsonRpcHandler | ||
| vhosts []string | ||
| cors []string | ||
| wg *sync.WaitGroup | ||
| } | ||
|
|
||
| func NewJsonRpcServer(logger logging.Logger, aggreagtor AggregatorRpcHandler) *JsonRpcServer { | ||
| return &JsonRpcServer{ | ||
| logger: logger, | ||
| handler: JsonRpcHandler{ | ||
| logger: logger, | ||
| aggreagtor: aggreagtor, | ||
| }, | ||
| wg: &sync.WaitGroup{}, | ||
| } | ||
| } | ||
|
|
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| func (s *JsonRpcServer) GetAPI() gethrpc.API { | ||
| return gethrpc.API{ | ||
| Namespace: "aggregator", | ||
| Service: &s.handler, | ||
| } | ||
| } | ||
|
|
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| func (s *JsonRpcServer) StartServer(ctx context.Context, serverIpPortAddr string) { | ||
| s.logger.Info("Start JSON RPC Server", "addr", serverIpPortAddr) | ||
|
|
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| rpcAPI := []gethrpc.API{s.GetAPI()} | ||
|
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| srv := gethrpc.NewServer() | ||
| err := node.RegisterApis(rpcAPI, []string{"aggregator"}, srv) | ||
| if err != nil { | ||
| s.logger.Fatalf("Could not register API: %w", err) | ||
| } | ||
| handler := node.NewHTTPHandlerStack(srv, s.cors, s.vhosts, nil) | ||
|
|
||
| httpServer, addr, err := node.StartHTTPEndpoint(serverIpPortAddr, gethrpc.DefaultHTTPTimeouts, handler) | ||
| if err != nil { | ||
| s.logger.Fatalf("Could not start RPC api: %v", err) | ||
| } | ||
|
|
||
| extapiURL := fmt.Sprintf("http://%v/", addr) | ||
| s.logger.Info("HTTP endpoint opened", "url", extapiURL) | ||
|
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| serverErr := make(chan error, 1) | ||
|
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| s.wg.Add(1) | ||
| defer s.wg.Done() | ||
|
|
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| select { | ||
| case <-ctx.Done(): | ||
| s.logger.Info("Stop JSON RPC Server by Done") | ||
| err := httpServer.Shutdown(context.Background()) | ||
| if err != nil { | ||
| s.logger.Errorf("Stop JSON RPC Server by error: %v", err.Error()) | ||
| } | ||
| case err = <-serverErr: | ||
| } | ||
|
|
||
| if err != nil { | ||
| s.logger.Error("JSON RPC Server serve stopped by error", "err", err) | ||
| } else { | ||
| s.logger.Info("JSON RPC Server serve stopped") | ||
| } | ||
| } | ||
|
|
||
| func (s *JsonRpcServer) Wait() { | ||
| s.wg.Wait() | ||
| } | ||
|
|
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| type JsonRpcHandler struct { | ||
| logger logging.Logger | ||
| aggreagtor AggregatorRpcHandler | ||
| } | ||
|
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| type InitOperatorResponse struct { | ||
| Ok bool `json:"ok"` | ||
| Reason string `json:"reason"` | ||
| } | ||
|
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| func (h *JsonRpcHandler) InitOperator( | ||
| ctx context.Context, | ||
| layer1ChainId uint32, | ||
| chainId uint32, | ||
| operatorId hexutil.Bytes, | ||
| operatorAddress string, | ||
| operatorStateRetrieverAddr string, | ||
| registryCoordinatorAddr string, | ||
| ) (InitOperatorResponse, error) { | ||
| req, err := message.NewInitOperatorRequest(&aggregator.InitOperatorRequest{ | ||
| Layer1ChainId: layer1ChainId, | ||
| ChainId: chainId, | ||
| OperatorId: operatorId, | ||
| OperatorAddress: operatorAddress, | ||
| OperatorStateRetrieverAddr: operatorStateRetrieverAddr, | ||
| RegistryCoordinatorAddr: registryCoordinatorAddr, | ||
| }) | ||
| if err != nil { | ||
| return InitOperatorResponse{}, fmt.Errorf("initOperator parse request falied: %v", err) | ||
| } | ||
|
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||
| res, err := h.aggreagtor.InitOperator(req) | ||
| if err != nil { | ||
| return InitOperatorResponse{}, fmt.Errorf("initOperator process request falied: %v", err) | ||
| } | ||
|
|
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| resp := InitOperatorResponse{ | ||
| Ok: res.Ok, | ||
| Reason: res.Res, | ||
| } | ||
|
|
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| return resp, nil | ||
| } | ||
|
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| type AlertTaskInfo struct { | ||
| // The hash of alert | ||
| AlertHash hexutil.Bytes `json:"alert_hash"` | ||
| // QuorumNumbers of task | ||
| QuorumNumbers []uint8 `json:"quorum_numbers"` | ||
| // QuorumThresholdPercentages of task | ||
| QuorumThresholdPercentages []uint8 `json:"quorum_threshold_percentages"` | ||
| // TaskIndex | ||
| TaskIndex uint32 `json:"task_index"` | ||
| // ReferenceBlockNumber | ||
| ReferenceBlockNumber uint64 `json:"reference_block_number"` | ||
| } | ||
|
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| func (h *JsonRpcHandler) CreateTask( | ||
| ctx context.Context, | ||
| alertHash hexutil.Bytes, | ||
| ) (AlertTaskInfo, error) { | ||
| req, err := message.NewCreateTaskRequest(&aggregator.CreateTaskRequest{ | ||
| AlertHash: alertHash, | ||
| }) | ||
| if err != nil { | ||
| return AlertTaskInfo{}, fmt.Errorf("createTask parse request falied: %v", err) | ||
| } | ||
|
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| res, err := h.aggreagtor.CreateTask(req) | ||
| if err != nil { | ||
| return AlertTaskInfo{}, fmt.Errorf("createTask process request falied: %v", err) | ||
| } | ||
|
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| info := res.Info.ToPbType() | ||
|
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| resp := AlertTaskInfo{ | ||
| AlertHash: info.AlertHash, | ||
| QuorumNumbers: info.QuorumNumbers, | ||
| QuorumThresholdPercentages: info.QuorumThresholdPercentages, | ||
| TaskIndex: info.TaskIndex, | ||
| ReferenceBlockNumber: info.ReferenceBlockNumber, | ||
| } | ||
|
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| return resp, nil | ||
| } | ||
|
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| type SignedTaskRespResponse struct { | ||
| // If need reply | ||
| Reply bool `json:"reply"` | ||
| // The tx hash of send | ||
| TxHash []byte `json:"tx_hash"` | ||
| } | ||
|
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| func (h *JsonRpcHandler) ProcessSignedTaskResponse( | ||
| ctx context.Context, | ||
| alertInfo AlertTaskInfo, | ||
| operatorRequestSignature hexutil.Bytes, | ||
| operatorId hexutil.Bytes, | ||
| ) (SignedTaskRespResponse, error) { | ||
| req, err := message.NewSignedTaskRespRequest(&aggregator.SignedTaskRespRequest{ | ||
| Alert: &aggregator.AlertTaskInfo{ | ||
| AlertHash: alertInfo.AlertHash, | ||
| QuorumNumbers: alertInfo.QuorumNumbers, | ||
| QuorumThresholdPercentages: alertInfo.QuorumThresholdPercentages, | ||
| TaskIndex: alertInfo.TaskIndex, | ||
| ReferenceBlockNumber: alertInfo.ReferenceBlockNumber, | ||
| }, | ||
| OperatorRequestSignature: operatorRequestSignature, | ||
| OperatorId: operatorId, | ||
| }) | ||
| if err != nil { | ||
| return SignedTaskRespResponse{}, fmt.Errorf("processSignedTaskResponse parse request falied: %v", err) | ||
| } | ||
|
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| res, err := h.aggreagtor.ProcessSignedTaskResponse(req) | ||
| if err != nil { | ||
| return SignedTaskRespResponse{}, fmt.Errorf("processSignedTaskResponse process request falied: %v", err) | ||
| } | ||
|
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| resp := SignedTaskRespResponse{ | ||
| Reply: res.Reply, | ||
| TxHash: res.TxHash[:], | ||
| } | ||
|
|
||
| return resp, nil | ||
| } |
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