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test_common.go
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/
test_common.go
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package keeper
import (
"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/codec"
"github.com/cosmos/cosmos-sdk/store"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/auth"
"github.com/cosmos/cosmos-sdk/x/bank"
"github.com/cosmos/cosmos-sdk/x/params"
"github.com/cosmos/cosmos-sdk/x/staking"
"github.com/cosmos/cosmos-sdk/x/distribution/types"
)
var (
delPk1 = ed25519.GenPrivKey().PubKey()
delPk2 = ed25519.GenPrivKey().PubKey()
delPk3 = ed25519.GenPrivKey().PubKey()
delAddr1 = sdk.AccAddress(delPk1.Address())
delAddr2 = sdk.AccAddress(delPk2.Address())
delAddr3 = sdk.AccAddress(delPk3.Address())
valOpPk1 = ed25519.GenPrivKey().PubKey()
valOpPk2 = ed25519.GenPrivKey().PubKey()
valOpPk3 = ed25519.GenPrivKey().PubKey()
valOpAddr1 = sdk.ValAddress(valOpPk1.Address())
valOpAddr2 = sdk.ValAddress(valOpPk2.Address())
valOpAddr3 = sdk.ValAddress(valOpPk3.Address())
valAccAddr1 = sdk.AccAddress(valOpPk1.Address()) // generate acc addresses for these validator keys too
valAccAddr2 = sdk.AccAddress(valOpPk2.Address())
valAccAddr3 = sdk.AccAddress(valOpPk3.Address())
valConsPk1 = ed25519.GenPrivKey().PubKey()
valConsPk2 = ed25519.GenPrivKey().PubKey()
valConsPk3 = ed25519.GenPrivKey().PubKey()
valConsAddr1 = sdk.ConsAddress(valConsPk1.Address())
valConsAddr2 = sdk.ConsAddress(valConsPk2.Address())
valConsAddr3 = sdk.ConsAddress(valConsPk3.Address())
addrs = []sdk.AccAddress{
delAddr1, delAddr2, delAddr3,
valAccAddr1, valAccAddr2, valAccAddr3,
}
emptyDelAddr sdk.AccAddress
emptyValAddr sdk.ValAddress
emptyPubkey crypto.PubKey
)
// create a codec used only for testing
func MakeTestCodec() *codec.Codec {
var cdc = codec.New()
bank.RegisterCodec(cdc)
staking.RegisterCodec(cdc)
auth.RegisterCodec(cdc)
sdk.RegisterCodec(cdc)
codec.RegisterCrypto(cdc)
types.RegisterCodec(cdc) // distr
return cdc
}
// test input with default values
func CreateTestInputDefault(t *testing.T, isCheckTx bool, initPower int64) (
sdk.Context, auth.AccountKeeper, Keeper, staking.Keeper, DummyFeeCollectionKeeper) {
communityTax := sdk.NewDecWithPrec(2, 2)
return CreateTestInputAdvanced(t, isCheckTx, initPower, communityTax)
}
// hogpodge of all sorts of input required for testing
func CreateTestInputAdvanced(t *testing.T, isCheckTx bool, initPower int64,
communityTax sdk.Dec) (
sdk.Context, auth.AccountKeeper, Keeper, staking.Keeper, DummyFeeCollectionKeeper) {
initCoins := sdk.TokensFromTendermintPower(initPower)
keyDistr := sdk.NewKVStoreKey(types.StoreKey)
keyStaking := sdk.NewKVStoreKey(staking.StoreKey)
tkeyStaking := sdk.NewTransientStoreKey(staking.TStoreKey)
keyAcc := sdk.NewKVStoreKey(auth.StoreKey)
keyFeeCollection := sdk.NewKVStoreKey(auth.FeeStoreKey)
keyParams := sdk.NewKVStoreKey(params.StoreKey)
tkeyParams := sdk.NewTransientStoreKey(params.TStoreKey)
db := dbm.NewMemDB()
ms := store.NewCommitMultiStore(db)
ms.MountStoreWithDB(keyDistr, sdk.StoreTypeIAVL, db)
ms.MountStoreWithDB(tkeyStaking, sdk.StoreTypeTransient, nil)
ms.MountStoreWithDB(keyStaking, sdk.StoreTypeIAVL, db)
ms.MountStoreWithDB(keyAcc, sdk.StoreTypeIAVL, db)
ms.MountStoreWithDB(keyFeeCollection, sdk.StoreTypeIAVL, db)
ms.MountStoreWithDB(keyParams, sdk.StoreTypeIAVL, db)
ms.MountStoreWithDB(tkeyParams, sdk.StoreTypeTransient, db)
err := ms.LoadLatestVersion()
require.Nil(t, err)
cdc := MakeTestCodec()
pk := params.NewKeeper(cdc, keyParams, tkeyParams)
ctx := sdk.NewContext(ms, abci.Header{ChainID: "foochainid"}, isCheckTx, log.NewNopLogger())
accountKeeper := auth.NewAccountKeeper(cdc, keyAcc, pk.Subspace(auth.DefaultParamspace), auth.ProtoBaseAccount)
ck := bank.NewBaseKeeper(accountKeeper, pk.Subspace(bank.DefaultParamspace), bank.DefaultCodespace)
sk := staking.NewKeeper(cdc, keyStaking, tkeyStaking, ck, pk.Subspace(staking.DefaultParamspace), staking.DefaultCodespace)
sk.SetPool(ctx, staking.InitialPool())
sk.SetParams(ctx, staking.DefaultParams())
// fill all the addresses with some coins, set the loose pool tokens simultaneously
for _, addr := range addrs {
pool := sk.GetPool(ctx)
_, _, err := ck.AddCoins(ctx, addr, sdk.Coins{
sdk.NewCoin(sk.GetParams(ctx).BondDenom, initCoins),
})
require.Nil(t, err)
pool.NotBondedTokens = pool.NotBondedTokens.Add(initCoins)
sk.SetPool(ctx, pool)
}
fck := DummyFeeCollectionKeeper{}
keeper := NewKeeper(cdc, keyDistr, pk.Subspace(DefaultParamspace), ck, sk, fck, types.DefaultCodespace)
// set the distribution hooks on staking
sk.SetHooks(keeper.Hooks())
// set genesis items required for distribution
keeper.SetFeePool(ctx, types.InitialFeePool())
keeper.SetCommunityTax(ctx, communityTax)
keeper.SetBaseProposerReward(ctx, sdk.NewDecWithPrec(1, 2))
keeper.SetBonusProposerReward(ctx, sdk.NewDecWithPrec(4, 2))
return ctx, accountKeeper, keeper, sk, fck
}
//__________________________________________________________________________________
// fee collection keeper used only for testing
type DummyFeeCollectionKeeper struct{}
var heldFees sdk.Coins
var _ types.FeeCollectionKeeper = DummyFeeCollectionKeeper{}
// nolint
func (fck DummyFeeCollectionKeeper) GetCollectedFees(_ sdk.Context) sdk.Coins {
return heldFees
}
func (fck DummyFeeCollectionKeeper) SetCollectedFees(in sdk.Coins) {
heldFees = in
}
func (fck DummyFeeCollectionKeeper) ClearCollectedFees(_ sdk.Context) {
heldFees = sdk.Coins{}
}