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store_test.go
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store_test.go
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package v044_test
import (
"testing"
"github.com/stretchr/testify/require"
"github.com/cosmos/cosmos-sdk/simapp"
"github.com/cosmos/cosmos-sdk/store/prefix"
"github.com/cosmos/cosmos-sdk/testutil"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/address"
v043 "github.com/cosmos/cosmos-sdk/x/bank/migrations/v043"
v044 "github.com/cosmos/cosmos-sdk/x/bank/migrations/v044"
"github.com/cosmos/cosmos-sdk/x/bank/types"
)
func TestMigrateStore(t *testing.T) {
encCfg := simapp.MakeTestEncodingConfig()
bankKey := sdk.NewKVStoreKey("bank")
ctx := testutil.DefaultContext(bankKey, sdk.NewTransientStoreKey("transient_test"))
store := ctx.KVStore(bankKey)
addr := sdk.AccAddress([]byte("addr________________"))
prefixAccStore := prefix.NewStore(store, v043.CreateAccountBalancesPrefix(addr))
balances := sdk.NewCoins(
sdk.NewCoin("foo", sdk.NewInt(10000)),
sdk.NewCoin("bar", sdk.NewInt(20000)),
)
for _, b := range balances {
bz, err := encCfg.Codec.Marshal(&b)
require.NoError(t, err)
prefixAccStore.Set([]byte(b.Denom), bz)
}
require.NoError(t, v044.MigrateStore(ctx, bankKey, encCfg.Codec))
for _, b := range balances {
addrPrefixStore := prefix.NewStore(store, types.CreateAccountBalancesPrefix(addr))
bz := addrPrefixStore.Get([]byte(b.Denom))
var expected sdk.Int
require.NoError(t, expected.Unmarshal(bz))
require.Equal(t, expected, b.Amount)
}
for _, b := range balances {
denomPrefixStore := prefix.NewStore(store, v044.CreateDenomAddressPrefix(b.Denom))
bz := denomPrefixStore.Get(address.MustLengthPrefix(addr))
require.NotNil(t, bz)
}
}
func TestMigrateDenomMetaData(t *testing.T) {
encCfg := simapp.MakeTestEncodingConfig()
bankKey := sdk.NewKVStoreKey("bank")
ctx := testutil.DefaultContext(bankKey, sdk.NewTransientStoreKey("transient_test"))
store := ctx.KVStore(bankKey)
metaData := []types.Metadata{
{
Name: "Cosmos Hub Atom",
Symbol: "ATOM",
Description: "The native staking token of the Cosmos Hub.",
DenomUnits: []*types.DenomUnit{
{"uatom", uint32(0), []string{"microatom"}},
{"matom", uint32(3), []string{"milliatom"}},
{"atom", uint32(6), nil},
},
Base: "uatom",
Display: "atom",
},
{
Name: "Token",
Symbol: "TOKEN",
Description: "The native staking token of the Token Hub.",
DenomUnits: []*types.DenomUnit{
{"1token", uint32(5), []string{"decitoken"}},
{"2token", uint32(4), []string{"centitoken"}},
{"3token", uint32(7), []string{"dekatoken"}},
},
Base: "utoken",
Display: "token",
},
}
denomMetadataStore := prefix.NewStore(store, v043.DenomMetadataPrefix)
for i := range []int{0, 1} {
key := append(v043.DenomMetadataPrefix, []byte(metaData[i].Base)...)
// keys before 0.44 had denom two times in the key
key = append(key, []byte(metaData[i].Base)...)
bz, err := encCfg.Codec.Marshal(&metaData[i])
require.NoError(t, err)
denomMetadataStore.Set(key, bz)
}
require.NoError(t, v044.MigrateStore(ctx, bankKey, encCfg.Codec))
denomMetadataStore = prefix.NewStore(store, v043.DenomMetadataPrefix)
denomMetadataIter := denomMetadataStore.Iterator(nil, nil)
defer denomMetadataIter.Close()
for i := 0; denomMetadataIter.Valid(); denomMetadataIter.Next() {
var result types.Metadata
newKey := denomMetadataIter.Key()
// make sure old entry is deleted
oldKey := append(newKey, newKey[1:]...)
bz := denomMetadataStore.Get(oldKey)
require.Nil(t, bz)
require.Equal(t, string(newKey)[1:], metaData[i].Base, "idx: %d", i)
bz = denomMetadataStore.Get(denomMetadataIter.Key())
require.NotNil(t, bz)
err := encCfg.Codec.Unmarshal(bz, &result)
require.NoError(t, err)
assertMetaDataEqual(t, metaData[i], result)
i++
}
}
func assertMetaDataEqual(t *testing.T, expected, actual types.Metadata) {
require.Equal(t, expected.GetBase(), actual.GetBase())
require.Equal(t, expected.GetDisplay(), actual.GetDisplay())
require.Equal(t, expected.GetDescription(), actual.GetDescription())
require.Equal(t, expected.GetDenomUnits()[1].GetDenom(), actual.GetDenomUnits()[1].GetDenom())
require.Equal(t, expected.GetDenomUnits()[1].GetExponent(), actual.GetDenomUnits()[1].GetExponent())
require.Equal(t, expected.GetDenomUnits()[1].GetAliases(), actual.GetDenomUnits()[1].GetAliases())
}