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153 lines
4.2 KiB
153 lines
4.2 KiB
package client_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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"net/http"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"github.com/tendermint/tendermint/abci/example/kvstore"
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rpchttp "github.com/tendermint/tendermint/rpc/client/http"
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"github.com/tendermint/tendermint/rpc/coretypes"
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rpctest "github.com/tendermint/tendermint/rpc/test"
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)
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func TestHTTPSimple(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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// Start a tendermint node (and kvstore) in the background to test against
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app := kvstore.NewApplication()
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conf, err := rpctest.CreateConfig("ExampleHTTP_simple")
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require.NoError(t, err)
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_, closer, err := rpctest.StartTendermint(ctx, conf, app, rpctest.SuppressStdout)
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if err != nil {
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log.Fatal(err) //nolint:gocritic
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}
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defer func() { _ = closer(ctx) }()
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// Create our RPC client
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rpcAddr := conf.RPC.ListenAddress
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c, err := rpchttp.New(rpcAddr)
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require.NoError(t, err)
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// Create a transaction
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k := []byte("name")
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v := []byte("satoshi")
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tx := append(k, append([]byte("="), v...)...)
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// Broadcast the transaction and wait for it to commit (rather use
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// c.BroadcastTxSync though in production).
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bres, err := c.BroadcastTxCommit(ctx, tx)
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require.NoError(t, err)
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if err != nil {
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log.Fatal(err)
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}
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if bres.CheckTx.IsErr() || bres.DeliverTx.IsErr() {
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log.Fatal("BroadcastTxCommit transaction failed")
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}
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// Now try to fetch the value for the key
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qres, err := c.ABCIQuery(ctx, "/key", k)
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require.NoError(t, err)
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require.False(t, qres.Response.IsErr(), "ABCIQuery failed")
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require.True(t, bytes.Equal(qres.Response.Key, k),
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"returned key does not match queried key")
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require.True(t, bytes.Equal(qres.Response.Value, v),
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"returned value does not match sent value [%s]", string(v))
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assert.Equal(t, "name=satoshi", string(tx), "sent tx")
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assert.Equal(t, "name", string(qres.Response.Key), "queried for")
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assert.Equal(t, "satoshi", string(qres.Response.Value), "got value")
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}
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func TestHTTPBatching(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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// Start a tendermint node (and kvstore) in the background to test against
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app := kvstore.NewApplication()
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conf, err := rpctest.CreateConfig("ExampleHTTP_batching")
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require.NoError(t, err)
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_, closer, err := rpctest.StartTendermint(ctx, conf, app, rpctest.SuppressStdout)
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if err != nil {
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log.Fatal(err) //nolint:gocritic
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}
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defer func() { _ = closer(ctx) }()
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rpcAddr := conf.RPC.ListenAddress
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c, err := rpchttp.NewWithClient(rpcAddr, http.DefaultClient)
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require.NoError(t, err)
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// Create our two transactions
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k1 := []byte("firstName")
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v1 := []byte("satoshi")
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tx1 := append(k1, append([]byte("="), v1...)...)
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k2 := []byte("lastName")
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v2 := []byte("nakamoto")
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tx2 := append(k2, append([]byte("="), v2...)...)
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txs := [][]byte{tx1, tx2}
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// Create a new batch
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batch := c.NewBatch()
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// Queue up our transactions
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for _, tx := range txs {
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// Broadcast the transaction and wait for it to commit (rather use
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// c.BroadcastTxSync though in production).
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_, err := batch.BroadcastTxSync(ctx, tx)
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require.NoError(t, err)
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}
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// Send the batch of 2 transactions
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_, err = batch.Send(ctx)
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require.NoError(t, err)
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// wait for the transaction to land, we could poll more for
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// the transactions to land definitively.
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require.Eventually(t,
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func() bool {
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// Now let's query for the original results as a batch
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exists := 0
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for _, key := range [][]byte{k1, k2} {
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_, err := batch.ABCIQuery(ctx, "/key", key)
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if err == nil {
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exists++
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}
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}
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return exists == 2
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},
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10*time.Second,
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time.Second,
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)
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// Send the 2 queries and keep the results
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results, err := batch.Send(ctx)
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require.NoError(t, err)
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require.Len(t, results, 2)
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// Each result in the returned list is the deserialized result of each
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// respective ABCIQuery response
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for _, result := range results {
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qr, ok := result.(*coretypes.ResultABCIQuery)
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require.True(t, ok, "invalid result type from ABCIQuery request")
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switch string(qr.Response.Key) {
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case "firstName":
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require.Equal(t, "satoshi", string(qr.Response.Value))
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case "lastName":
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require.Equal(t, "nakamoto", string(qr.Response.Value))
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default:
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t.Fatalf("encountered unknown key %q", string(qr.Response.Key))
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}
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}
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}
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