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