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  1. package proxy
  2. import (
  3. "fmt"
  4. "os"
  5. "testing"
  6. "github.com/stretchr/testify/assert"
  7. "github.com/stretchr/testify/require"
  8. "github.com/tendermint/abci/example/kvstore"
  9. "github.com/tendermint/tendermint/lite"
  10. certclient "github.com/tendermint/tendermint/lite/client"
  11. nm "github.com/tendermint/tendermint/node"
  12. "github.com/tendermint/tendermint/rpc/client"
  13. rpctest "github.com/tendermint/tendermint/rpc/test"
  14. "github.com/tendermint/tendermint/types"
  15. )
  16. var node *nm.Node
  17. // TODO fix tests!!
  18. func TestMain(m *testing.M) {
  19. app := kvstore.NewKVStoreApplication()
  20. node = rpctest.StartTendermint(app)
  21. code := m.Run()
  22. node.Stop()
  23. node.Wait()
  24. os.Exit(code)
  25. }
  26. func kvstoreTx(k, v []byte) []byte {
  27. return []byte(fmt.Sprintf("%s=%s", k, v))
  28. }
  29. func _TestAppProofs(t *testing.T) {
  30. assert, require := assert.New(t), require.New(t)
  31. cl := client.NewLocal(node)
  32. client.WaitForHeight(cl, 1, nil)
  33. k := []byte("my-key")
  34. v := []byte("my-value")
  35. tx := kvstoreTx(k, v)
  36. br, err := cl.BroadcastTxCommit(tx)
  37. require.NoError(err, "%+v", err)
  38. require.EqualValues(0, br.CheckTx.Code, "%#v", br.CheckTx)
  39. require.EqualValues(0, br.DeliverTx.Code)
  40. brh := br.Height
  41. // This sets up our trust on the node based on some past point.
  42. source := certclient.NewProvider(cl)
  43. seed, err := source.GetByHeight(brh - 2)
  44. require.NoError(err, "%+v", err)
  45. cert := lite.NewStaticCertifier("my-chain", seed.Validators)
  46. client.WaitForHeight(cl, 3, nil)
  47. latest, err := source.LatestCommit()
  48. require.NoError(err, "%+v", err)
  49. rootHash := latest.Header.AppHash
  50. // verify a query before the tx block has no data (and valid non-exist proof)
  51. bs, height, proof, err := GetWithProof(k, brh-1, cl, cert)
  52. fmt.Println(bs, height, proof, err)
  53. require.NotNil(err)
  54. require.True(IsNoDataErr(err), err.Error())
  55. require.Nil(bs)
  56. // but given that block it is good
  57. bs, height, proof, err = GetWithProof(k, brh, cl, cert)
  58. require.NoError(err, "%+v", err)
  59. require.NotNil(proof)
  60. require.True(height >= int64(latest.Header.Height))
  61. // Alexis there is a bug here, somehow the above code gives us rootHash = nil
  62. // and proof.Verify doesn't care, while proofNotExists.Verify fails.
  63. // I am hacking this in to make it pass, but please investigate further.
  64. rootHash = proof.Root()
  65. //err = wire.ReadBinaryBytes(bs, &data)
  66. //require.NoError(err, "%+v", err)
  67. assert.EqualValues(v, bs)
  68. err = proof.Verify(k, bs, rootHash)
  69. assert.NoError(err, "%+v", err)
  70. // Test non-existing key.
  71. missing := []byte("my-missing-key")
  72. bs, _, proof, err = GetWithProof(missing, 0, cl, cert)
  73. require.True(IsNoDataErr(err))
  74. require.Nil(bs)
  75. require.NotNil(proof)
  76. err = proof.Verify(missing, nil, rootHash)
  77. assert.NoError(err, "%+v", err)
  78. err = proof.Verify(k, nil, rootHash)
  79. assert.Error(err)
  80. }
  81. func _TestTxProofs(t *testing.T) {
  82. assert, require := assert.New(t), require.New(t)
  83. cl := client.NewLocal(node)
  84. client.WaitForHeight(cl, 1, nil)
  85. tx := kvstoreTx([]byte("key-a"), []byte("value-a"))
  86. br, err := cl.BroadcastTxCommit(tx)
  87. require.NoError(err, "%+v", err)
  88. require.EqualValues(0, br.CheckTx.Code, "%#v", br.CheckTx)
  89. require.EqualValues(0, br.DeliverTx.Code)
  90. brh := br.Height
  91. source := certclient.NewProvider(cl)
  92. seed, err := source.GetByHeight(brh - 2)
  93. require.NoError(err, "%+v", err)
  94. cert := lite.NewStaticCertifier("my-chain", seed.Validators)
  95. // First let's make sure a bogus transaction hash returns a valid non-existence proof.
  96. key := types.Tx([]byte("bogus")).Hash()
  97. res, err := cl.Tx(key, true)
  98. require.NotNil(err)
  99. require.Contains(err.Error(), "not found")
  100. // Now let's check with the real tx hash.
  101. key = types.Tx(tx).Hash()
  102. res, err = cl.Tx(key, true)
  103. require.NoError(err, "%+v", err)
  104. require.NotNil(res)
  105. err = res.Proof.Validate(key)
  106. assert.NoError(err, "%+v", err)
  107. commit, err := GetCertifiedCommit(br.Height, cl, cert)
  108. require.Nil(err, "%+v", err)
  109. require.Equal(res.Proof.RootHash, commit.Header.DataHash)
  110. }