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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package examples | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
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| "github.com/cosmos/cosmos-sdk/client" | ||
| pubsub "github.com/peggyjv/sommelier/v7/x/pubsub/types" | ||
| ) | ||
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| // Requests to schedule a contract call must be sent to many Steward instances. This is required because calls that do not have enough votes of approval from the validator set will not be | ||
| // executed. Right now there is no single endpoint that handles broadcastic the call to each | ||
| // Steward instance, so we must query the endpoints and then send the request to each one. | ||
| // | ||
| // This example simple sends the requests sequentially in a loop. In production it would be better to | ||
| // send the requests concurrently. | ||
| func ExampleBroadcastRequests() { | ||
| // Query the Sommelier chain to get the list of Steward instances | ||
| sommCtx := client.Context{}.WithNodeURI("http://localhost:26657") | ||
| sommQueryClient := pubsub.NewQueryClient(sommCtx) | ||
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| res, err := sommQueryClient.QuerySubscribers(context.Background(), &pubsub.QuerySubscribersRequest{}) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| subscribers := res.Subscribers | ||
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| // Get client | ||
| client, err := CreateTlsClient() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| // Build request | ||
| request, err := BuildMulticallRequest() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| // Send request to each subscriber | ||
| for _, subscriber := range subscribers { | ||
| response, err := client.Schedule(context.Background(), request) | ||
| if err != nil { | ||
| fmt.Printf("Error sending request to %s: %s\n", subscriber, err) | ||
| } | ||
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| fmt.Print("Sent request to ", subscriber, " with response: ", response, "\n") | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| package examples | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "time" | ||
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| "github.com/peggyjv/steward/steward_proto_go/steward_proto" | ||
| "google.golang.org/grpc" | ||
| ) | ||
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| // When running the production server, Steward exposes a Status/Version method that shows the current | ||
| // running version of Steward. It can be useful for verifying connectivity and compatability. TLS authentication | ||
| // is required to access this endpoint. | ||
| func CreateTlsStatusClient() (steward_proto.StatusServiceClient, error) { | ||
| // This example uses fake file paths for the auth materials | ||
| creds, err := buildCredentials("client.crt", "client.key", "server_ca.crt") | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| addr := "localhost:5734" | ||
| conn, err := grpc.NewClient(addr, grpc.WithTransportCredentials(creds)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
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| defer conn.Close() | ||
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| client := steward_proto.NewStatusServiceClient(conn) | ||
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| return client, nil | ||
| } | ||
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| func ExampleCheckStewardStatus() { | ||
| // Get client and context | ||
| client, err := CreateTlsStatusClient() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
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| ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second) | ||
| defer cancel() | ||
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| // Send request | ||
| response, err := client.Version(ctx, &steward_proto.VersionRequest{}) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
|
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| fmt.Print(response) | ||
| } |
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