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app.go
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app.go
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package ibctesting
import (
"encoding/json"
"testing"
"time"
"cosmossdk.io/math"
dbm "github.com/cometbft/cometbft-db"
abci "github.com/cometbft/cometbft/abci/types"
"github.com/cometbft/cometbft/libs/log"
tmproto "github.com/cometbft/cometbft/proto/tendermint/types"
tmprotoversion "github.com/cometbft/cometbft/proto/tendermint/version"
tmtypes "github.com/cometbft/cometbft/types"
"github.com/cosmos/cosmos-sdk/baseapp"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/codec"
codectypes "github.com/cosmos/cosmos-sdk/codec/types"
cryptocodec "github.com/cosmos/cosmos-sdk/crypto/codec"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
simtestutil "github.com/cosmos/cosmos-sdk/testutil/sims"
sdk "github.com/cosmos/cosmos-sdk/types"
authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
capabilitykeeper "github.com/cosmos/cosmos-sdk/x/capability/keeper"
stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
"github.com/stretchr/testify/require"
"github.com/cosmos/ibc-go/v7/modules/core/keeper"
"github.com/cosmos/ibc-go/v7/testing/simapp"
ibctestingtypes "github.com/cosmos/ibc-go/v7/testing/types"
)
var DefaultTestingAppInit = SetupTestingApp
type TestingApp interface {
abci.Application
// ibc-go additions
GetBaseApp() *baseapp.BaseApp
GetStakingKeeper() ibctestingtypes.StakingKeeper
GetIBCKeeper() *keeper.Keeper
GetScopedIBCKeeper() capabilitykeeper.ScopedKeeper
GetTxConfig() client.TxConfig
// Implemented by SimApp
AppCodec() codec.Codec
// Implemented by BaseApp
LastCommitID() storetypes.CommitID
LastBlockHeight() int64
}
func SetupTestingApp() (TestingApp, map[string]json.RawMessage) {
db := dbm.NewMemDB()
encCdc := simapp.MakeTestEncodingConfig()
app := simapp.NewSimApp(log.NewNopLogger(), db, nil, true, map[int64]bool{}, simapp.DefaultNodeHome, 5, encCdc, simtestutil.EmptyAppOptions{})
return app, simapp.NewDefaultGenesisState(encCdc.Marshaler)
}
// SetupWithGenesisValSet initializes a new SimApp with a validator set and genesis accounts
// that also act as delegators. For simplicity, each validator is bonded with a delegation
// of one consensus engine unit (10^6) in the default token of the simapp from first genesis
// account. A Nop logger is set in SimApp.
func SetupWithGenesisValSet(t *testing.T, valSet *tmtypes.ValidatorSet, genAccs []authtypes.GenesisAccount, chainID string, powerReduction math.Int, balances ...banktypes.Balance) TestingApp {
return SetupWithGenesisValSetAndConsensusParams(t, simapp.DefaultConsensusParams, valSet, genAccs, chainID, powerReduction, balances...)
}
func SetupWithGenesisValSetAndConsensusParams(t *testing.T, consensusParams *tmproto.ConsensusParams, valSet *tmtypes.ValidatorSet, genAccs []authtypes.GenesisAccount, chainID string, powerReduction math.Int, balances ...banktypes.Balance) TestingApp {
app, genesisState := DefaultTestingAppInit()
// ensure baseapp has a chain-id set before running InitChain
baseapp.SetChainID(chainID)(app.GetBaseApp())
// set genesis accounts
authGenesis := authtypes.NewGenesisState(authtypes.DefaultParams(), genAccs)
genesisState[authtypes.ModuleName] = app.AppCodec().MustMarshalJSON(authGenesis)
validators := make([]stakingtypes.Validator, 0, len(valSet.Validators))
delegations := make([]stakingtypes.Delegation, 0, len(valSet.Validators))
bondAmt := sdk.TokensFromConsensusPower(1, powerReduction)
for _, val := range valSet.Validators {
pk, err := cryptocodec.FromTmPubKeyInterface(val.PubKey)
require.NoError(t, err)
pkAny, err := codectypes.NewAnyWithValue(pk)
require.NoError(t, err)
validator := stakingtypes.Validator{
OperatorAddress: sdk.ValAddress(val.Address).String(),
ConsensusPubkey: pkAny,
Jailed: false,
Status: stakingtypes.Bonded,
Tokens: bondAmt,
DelegatorShares: sdk.OneDec(),
Description: stakingtypes.Description{},
UnbondingHeight: int64(0),
UnbondingTime: time.Unix(0, 0).UTC(),
Commission: stakingtypes.NewCommission(sdk.ZeroDec(), sdk.ZeroDec(), sdk.ZeroDec()),
MinSelfDelegation: sdk.ZeroInt(),
}
validators = append(validators, validator)
delegations = append(delegations, stakingtypes.NewDelegation(genAccs[0].GetAddress(), val.Address.Bytes(), sdk.OneDec()))
}
// set validators and delegations
var stakingGenesis stakingtypes.GenesisState
app.AppCodec().MustUnmarshalJSON(genesisState[stakingtypes.ModuleName], &stakingGenesis)
bondDenom := stakingGenesis.Params.BondDenom
// add bonded amount to bonded pool module account
balances = append(balances, banktypes.Balance{
Address: authtypes.NewModuleAddress(stakingtypes.BondedPoolName).String(),
Coins: sdk.Coins{sdk.NewCoin(bondDenom, bondAmt.Mul(sdk.NewInt(int64(len(valSet.Validators)))))},
})
// set validators and delegations
stakingGenesis = *stakingtypes.NewGenesisState(stakingGenesis.Params, validators, delegations)
genesisState[stakingtypes.ModuleName] = app.AppCodec().MustMarshalJSON(&stakingGenesis)
// update total supply
bankGenesis := banktypes.NewGenesisState(banktypes.DefaultGenesisState().Params, balances, sdk.NewCoins(), []banktypes.Metadata{}, []banktypes.SendEnabled{})
genesisState[banktypes.ModuleName] = app.AppCodec().MustMarshalJSON(bankGenesis)
stateBytes, err := json.MarshalIndent(genesisState, "", " ")
require.NoError(t, err)
// init chain will set the validator set and initialize the genesis accounts
app.InitChain(
abci.RequestInitChain{
ChainId: chainID,
Validators: []abci.ValidatorUpdate{},
AppStateBytes: stateBytes,
},
)
// commit genesis changes
app.Commit()
app.BeginBlock(
abci.RequestBeginBlock{
Header: tmproto.Header{
Version: tmprotoversion.Consensus{
App: consensusParams.Version.App,
},
ChainID: chainID,
Height: app.LastBlockHeight() + 1,
AppHash: app.LastCommitID().Hash,
ValidatorsHash: valSet.Hash(),
NextValidatorsHash: valSet.Hash(),
},
},
)
return app
}