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138 lines
3.5 KiB
138 lines
3.5 KiB
package light_test
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import (
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"context"
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"io/ioutil"
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"os"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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dbm "github.com/tendermint/tm-db"
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"github.com/tendermint/tendermint/abci/example/kvstore"
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"github.com/tendermint/tendermint/libs/log"
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"github.com/tendermint/tendermint/light"
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"github.com/tendermint/tendermint/light/provider"
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httpp "github.com/tendermint/tendermint/light/provider/http"
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dbs "github.com/tendermint/tendermint/light/store/db"
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rpctest "github.com/tendermint/tendermint/rpc/test"
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)
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// NOTE: these are ports of the tests from example_test.go but
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// rewritten as more conventional tests.
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// Automatically getting new headers and verifying them.
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func TestClientIntegration_Update(t *testing.T) {
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t.Parallel()
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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conf := rpctest.CreateConfig(t.Name())
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// Start a test application
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app := kvstore.NewApplication()
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_, closer, err := rpctest.StartTendermint(ctx, conf, app, rpctest.SuppressStdout)
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require.NoError(t, err)
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defer func() { require.NoError(t, closer(ctx)) }()
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// give Tendermint time to generate some blocks
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time.Sleep(5 * time.Second)
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dbDir, err := ioutil.TempDir("", "light-client-test-update-example")
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require.NoError(t, err)
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defer os.RemoveAll(dbDir)
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chainID := conf.ChainID()
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primary, err := httpp.New(chainID, conf.RPC.ListenAddress)
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require.NoError(t, err)
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block, err := primary.LightBlock(ctx, 2)
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require.NoError(t, err)
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db, err := dbm.NewGoLevelDB("light-client-db", dbDir)
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require.NoError(t, err)
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c, err := light.NewClient(
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ctx,
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chainID,
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light.TrustOptions{
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Period: 504 * time.Hour, // 21 days
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Height: 2,
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Hash: block.Hash(),
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},
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primary,
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[]provider.Provider{primary}, // NOTE: primary should not be used here
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dbs.New(db),
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light.Logger(log.TestingLogger()),
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)
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require.NoError(t, err)
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defer func() { require.NoError(t, c.Cleanup()) }()
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time.Sleep(2 * time.Second)
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h, err := c.Update(ctx, time.Now())
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require.NoError(t, err)
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require.NotNil(t, h)
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require.True(t, h.Height > 2)
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}
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// Manually getting light blocks and verifying them.
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func TestClientIntegration_VerifyLightBlockAtHeight(t *testing.T) {
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t.Parallel()
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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conf := rpctest.CreateConfig(t.Name())
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// Start a test application
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app := kvstore.NewApplication()
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_, closer, err := rpctest.StartTendermint(ctx, conf, app, rpctest.SuppressStdout)
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require.NoError(t, err)
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defer func() { require.NoError(t, closer(ctx)) }()
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// give Tendermint time to generate some blocks
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time.Sleep(5 * time.Second)
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dbDir, err := ioutil.TempDir("", "light-client-test-verify-example")
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require.NoError(t, err)
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defer os.RemoveAll(dbDir)
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chainID := conf.ChainID()
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primary, err := httpp.New(chainID, conf.RPC.ListenAddress)
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require.NoError(t, err)
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block, err := primary.LightBlock(ctx, 2)
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require.NoError(t, err)
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db, err := dbm.NewGoLevelDB("light-client-db", dbDir)
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require.NoError(t, err)
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c, err := light.NewClient(ctx,
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chainID,
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light.TrustOptions{
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Period: 504 * time.Hour, // 21 days
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Height: 2,
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Hash: block.Hash(),
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},
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primary,
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[]provider.Provider{primary}, // NOTE: primary should not be used here
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dbs.New(db),
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light.Logger(log.TestingLogger()),
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)
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require.NoError(t, err)
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defer func() { require.NoError(t, c.Cleanup()) }()
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_, err = c.VerifyLightBlockAtHeight(ctx, 3, time.Now())
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require.NoError(t, err)
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h, err := c.TrustedLightBlock(3)
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require.NoError(t, err)
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require.EqualValues(t, 3, h.Height)
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}
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