Merge PR #4847: Sim refactor 1 move store decoders to modules

* move store decoders to modules * fix * module pattern * compile * update Decoders params * fix * address @colin-axner comments * Update cmd_test.go * simulation manager * mino fixes * cleanup * Apply suggestions from code review Co-Authored-By: frog power 4000 <rigel.rozanski@gmail.com> * address @rigelrozanski comments * changelog * Apply suggestions from code review Co-Authored-By: colin axner <colinaxner@berkeley.edu> * restructure modules simulation pkgs * address @alexanderbez comments * fix
2019-08-13 18:16:03 -04:00
parent 81f86fefe5
commit c441ce2fab
43 changed files with 1377 additions and 877 deletions
@@ -0,0 +1,24 @@
+package simulation
+
+import (
+	"bytes"
+	"fmt"
+
+	cmn "github.com/tendermint/tendermint/libs/common"
+
+	"github.com/cosmos/cosmos-sdk/codec"
+	"github.com/cosmos/cosmos-sdk/x/mint/internal/types"
+)
+
+// DecodeStore unmarshals the KVPair's Value to the corresponding mint type
+func DecodeStore(cdc *codec.Codec, kvA, kvB cmn.KVPair) string {
+	switch {
+	case bytes.Equal(kvA.Key, types.MinterKey):
+		var minterA, minterB types.Minter
+		cdc.MustUnmarshalBinaryLengthPrefixed(kvA.Value, &minterA)
+		cdc.MustUnmarshalBinaryLengthPrefixed(kvB.Value, &minterB)
+		return fmt.Sprintf("%v\n%v", minterA, minterB)
+	default:
+		panic(fmt.Sprintf("invalid mint key %X", kvA.Key))
+	}
+}
@@ -0,0 +1,48 @@
+package simulation
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+
+	cmn "github.com/tendermint/tendermint/libs/common"
+
+	"github.com/cosmos/cosmos-sdk/codec"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/x/mint/internal/types"
+)
+
+func makeTestCodec() (cdc *codec.Codec) {
+	cdc = codec.New()
+	sdk.RegisterCodec(cdc)
+	return
+}
+
+func TestDecodeStore(t *testing.T) {
+	cdc := makeTestCodec()
+	minter := types.NewMinter(sdk.OneDec(), sdk.NewDec(15))
+
+	kvPairs := cmn.KVPairs{
+		cmn.KVPair{Key: types.MinterKey, Value: cdc.MustMarshalBinaryLengthPrefixed(minter)},
+		cmn.KVPair{Key: []byte{0x99}, Value: []byte{0x99}},
+	}
+	tests := []struct {
+		name        string
+		expectedLog string
+	}{
+		{"Minter", fmt.Sprintf("%v\n%v", minter, minter)},
+		{"other", ""},
+	}
+
+	for i, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			switch i {
+			case len(tests) - 1:
+				require.Panics(t, func() { DecodeStore(cdc, kvPairs[i], kvPairs[i]) }, tt.name)
+			default:
+				require.Equal(t, tt.expectedLog, DecodeStore(cdc, kvPairs[i], kvPairs[i]), tt.name)
+			}
+		})
+	}
+}