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test_common.go
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test_common.go
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package keeper
import (
"bytes"
"encoding/hex"
"strconv"
"testing"
"github.com/stretchr/testify/require"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/tendermint/tendermint/crypto"
"github.com/tendermint/tendermint/crypto/ed25519"
dbm "github.com/tendermint/tendermint/libs/db"
"github.com/tendermint/tendermint/libs/log"
"github.com/cosmos/cosmos-sdk/store"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/wire"
"github.com/cosmos/cosmos-sdk/x/auth"
"github.com/cosmos/cosmos-sdk/x/bank"
"github.com/cosmos/cosmos-sdk/x/stake/types"
)
// dummy addresses used for testing
var (
Addrs = createTestAddrs(100)
PKs = createTestPubKeys(100)
emptyAddr sdk.AccAddress
emptyPubkey crypto.PubKey
addrDels = []sdk.AccAddress{
Addrs[0],
Addrs[1],
}
addrVals = []sdk.AccAddress{
Addrs[2],
Addrs[3],
Addrs[4],
Addrs[5],
Addrs[6],
}
)
//_______________________________________________________________________________________
// intended to be used with require/assert: require.True(ValEq(...))
func ValEq(t *testing.T, exp, got types.Validator) (*testing.T, bool, string, types.Validator, types.Validator) {
return t, exp.Equal(got), "expected:\t%v\ngot:\t\t%v", exp, got
}
//_______________________________________________________________________________________
// create a codec used only for testing
func MakeTestCodec() *wire.Codec {
var cdc = wire.NewCodec()
// Register Msgs
cdc.RegisterInterface((*sdk.Msg)(nil), nil)
cdc.RegisterConcrete(bank.MsgSend{}, "test/stake/Send", nil)
cdc.RegisterConcrete(bank.MsgIssue{}, "test/stake/Issue", nil)
cdc.RegisterConcrete(types.MsgCreateValidator{}, "test/stake/CreateValidator", nil)
cdc.RegisterConcrete(types.MsgEditValidator{}, "test/stake/EditValidator", nil)
cdc.RegisterConcrete(types.MsgBeginUnbonding{}, "test/stake/BeginUnbonding", nil)
cdc.RegisterConcrete(types.MsgCompleteUnbonding{}, "test/stake/CompleteUnbonding", nil)
cdc.RegisterConcrete(types.MsgBeginRedelegate{}, "test/stake/BeginRedelegate", nil)
cdc.RegisterConcrete(types.MsgCompleteRedelegate{}, "test/stake/CompleteRedelegate", nil)
// Register AppAccount
cdc.RegisterInterface((*auth.Account)(nil), nil)
cdc.RegisterConcrete(&auth.BaseAccount{}, "test/stake/Account", nil)
wire.RegisterCrypto(cdc)
return cdc
}
// default params without inflation
func ParamsNoInflation() types.Params {
return types.Params{
InflationRateChange: sdk.ZeroRat(),
InflationMax: sdk.ZeroRat(),
InflationMin: sdk.ZeroRat(),
GoalBonded: sdk.NewRat(67, 100),
MaxValidators: 100,
BondDenom: "steak",
}
}
// hogpodge of all sorts of input required for testing
func CreateTestInput(t *testing.T, isCheckTx bool, initCoins int64) (sdk.Context, auth.AccountMapper, Keeper) {
keyStake := sdk.NewKVStoreKey("stake")
keyAcc := sdk.NewKVStoreKey("acc")
db := dbm.NewMemDB()
ms := store.NewCommitMultiStore(db)
ms.MountStoreWithDB(keyStake, sdk.StoreTypeIAVL, db)
ms.MountStoreWithDB(keyAcc, sdk.StoreTypeIAVL, db)
err := ms.LoadLatestVersion()
require.Nil(t, err)
ctx := sdk.NewContext(ms, abci.Header{ChainID: "foochainid"}, isCheckTx, log.NewNopLogger())
cdc := MakeTestCodec()
accountMapper := auth.NewAccountMapper(
cdc, // amino codec
keyAcc, // target store
auth.ProtoBaseAccount, // prototype
)
ck := bank.NewKeeper(accountMapper)
keeper := NewKeeper(cdc, keyStake, ck, types.DefaultCodespace)
keeper.SetPool(ctx, types.InitialPool())
keeper.SetNewParams(ctx, types.DefaultParams())
keeper.InitIntraTxCounter(ctx)
// fill all the addresses with some coins, set the loose pool tokens simultaneously
for _, addr := range Addrs {
pool := keeper.GetPool(ctx)
_, _, err := ck.AddCoins(ctx, addr, sdk.Coins{
{keeper.GetParams(ctx).BondDenom, sdk.NewInt(initCoins)},
})
require.Nil(t, err)
pool.LooseTokens = pool.LooseTokens.Add(sdk.NewRat(initCoins))
keeper.SetPool(ctx, pool)
}
return ctx, accountMapper, keeper
}
func NewPubKey(pk string) (res crypto.PubKey) {
pkBytes, err := hex.DecodeString(pk)
if err != nil {
panic(err)
}
//res, err = crypto.PubKeyFromBytes(pkBytes)
var pkEd ed25519.PubKeyEd25519
copy(pkEd[:], pkBytes[:])
return pkEd
}
// for incode address generation
func TestAddr(addr string, bech string) sdk.AccAddress {
res, err := sdk.AccAddressFromHex(addr)
if err != nil {
panic(err)
}
bechexpected := res.String()
if bech != bechexpected {
panic("Bech encoding doesn't match reference")
}
bechres, err := sdk.AccAddressFromBech32(bech)
if err != nil {
panic(err)
}
if bytes.Compare(bechres, res) != 0 {
panic("Bech decode and hex decode don't match")
}
return res
}
// nolint: unparam
func createTestAddrs(numAddrs int) []sdk.AccAddress {
var addresses []sdk.AccAddress
var buffer bytes.Buffer
// start at 100 so we can make up to 999 test addresses with valid test addresses
for i := 100; i < (numAddrs + 100); i++ {
numString := strconv.Itoa(i)
buffer.WriteString("A58856F0FD53BF058B4909A21AEC019107BA6") //base address string
buffer.WriteString(numString) //adding on final two digits to make addresses unique
res, _ := sdk.AccAddressFromHex(buffer.String())
bech := res.String()
addresses = append(addresses, TestAddr(buffer.String(), bech))
buffer.Reset()
}
return addresses
}
// nolint: unparam
func createTestPubKeys(numPubKeys int) []crypto.PubKey {
var publicKeys []crypto.PubKey
var buffer bytes.Buffer
//start at 10 to avoid changing 1 to 01, 2 to 02, etc
for i := 100; i < (numPubKeys + 100); i++ {
numString := strconv.Itoa(i)
buffer.WriteString("0B485CFC0EECC619440448436F8FC9DF40566F2369E72400281454CB552AF") //base pubkey string
buffer.WriteString(numString) //adding on final two digits to make pubkeys unique
publicKeys = append(publicKeys, NewPubKey(buffer.String()))
buffer.Reset()
}
return publicKeys
}
//_____________________________________________________________________________________
// does a certain by-power index record exist
func ValidatorByPowerIndexExists(ctx sdk.Context, keeper Keeper, power []byte) bool {
store := ctx.KVStore(keeper.storeKey)
return store.Get(power) != nil
}