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52 lines
1.2 KiB
52 lines
1.2 KiB
package grpcdb_test
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import (
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"bytes"
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"context"
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"log"
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grpcdb "github.com/tendermint/tendermint/libs/db/remotedb/grpcdb"
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protodb "github.com/tendermint/tendermint/libs/db/remotedb/proto"
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)
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func Example() {
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addr := ":8998"
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cert := "server.crt"
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key := "server.key"
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go func() {
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if err := grpcdb.ListenAndServe(addr, cert, key); err != nil {
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log.Fatalf("BindServer: %v", err)
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}
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}()
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client, err := grpcdb.NewClient(addr, cert)
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if err != nil {
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log.Fatalf("Failed to create grpcDB client: %v", err)
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}
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ctx := context.Background()
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// 1. Initialize the DB
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in := &protodb.Init{
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Type: "leveldb",
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Name: "grpc-uno-test",
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Dir: ".",
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}
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if _, err := client.Init(ctx, in); err != nil {
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log.Fatalf("Init error: %v", err)
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}
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// 2. Now it can be used!
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query1 := &protodb.Entity{Key: []byte("Project"), Value: []byte("Tmlibs-on-gRPC")}
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if _, err := client.SetSync(ctx, query1); err != nil {
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log.Fatalf("SetSync err: %v", err)
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}
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query2 := &protodb.Entity{Key: []byte("Project")}
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read, err := client.Get(ctx, query2)
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if err != nil {
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log.Fatalf("Get err: %v", err)
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}
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if g, w := read.Value, []byte("Tmlibs-on-gRPC"); !bytes.Equal(g, w) {
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log.Fatalf("got= (%q ==> % X)\nwant=(%q ==> % X)", g, g, w, w)
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}
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}
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