261 lines
9.2 KiB
Go
261 lines
9.2 KiB
Go
package sims
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import (
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"context"
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"encoding/json"
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"fmt"
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"time"
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abci "github.com/tendermint/tendermint/abci/types"
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tmjson "github.com/tendermint/tendermint/libs/json"
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"github.com/tendermint/tendermint/libs/log"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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tmtypes "github.com/tendermint/tendermint/types"
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dbm "github.com/tendermint/tm-db"
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"github.com/cosmos/cosmos-sdk/client/flags"
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"github.com/cosmos/cosmos-sdk/codec"
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codectypes "github.com/cosmos/cosmos-sdk/codec/types"
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cryptocodec "github.com/cosmos/cosmos-sdk/crypto/codec"
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"github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
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"github.com/cosmos/cosmos-sdk/depinject"
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"github.com/cosmos/cosmos-sdk/runtime"
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servertypes "github.com/cosmos/cosmos-sdk/server/types"
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"github.com/cosmos/cosmos-sdk/testutil/mock"
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sdk "github.com/cosmos/cosmos-sdk/types"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
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stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
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)
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// SimAppChainID hardcoded chainID for simulation
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const (
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DefaultGenTxGas = 10000000
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SimAppChainID = "simulation-app"
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)
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// DefaultConsensusParams defines the default Tendermint consensus params used in
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// SimApp testing.
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var DefaultConsensusParams = &tmproto.ConsensusParams{
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Block: &tmproto.BlockParams{
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MaxBytes: 200000,
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MaxGas: 2000000,
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},
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Evidence: &tmproto.EvidenceParams{
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MaxAgeNumBlocks: 302400,
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MaxAgeDuration: 504 * time.Hour, // 3 weeks is the max duration
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MaxBytes: 10000,
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},
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Validator: &tmproto.ValidatorParams{
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PubKeyTypes: []string{
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tmtypes.ABCIPubKeyTypeEd25519,
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},
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},
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}
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// createDefaultRandomValidatorSet creates a validator set with one random validator
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func createDefaultRandomValidatorSet() (*tmtypes.ValidatorSet, error) {
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privVal := mock.NewPV()
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pubKey, err := privVal.GetPubKey(context.TODO())
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if err != nil {
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return nil, fmt.Errorf("failed to get pub key: %w", err)
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}
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// create validator set with single validator
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validator := tmtypes.NewValidator(pubKey, 1)
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return tmtypes.NewValidatorSet([]*tmtypes.Validator{validator}), nil
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}
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// Setup initializes a new runtime.App and can inject values into extraOutputs.
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// It uses SetupWithConfiguration under the hood.
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func Setup(appConfig depinject.Config, extraOutputs ...interface{}) (*runtime.App, error) {
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return SetupWithConfiguration(appConfig, createDefaultRandomValidatorSet, nil, false, extraOutputs...)
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}
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// SetupAtGenesis initializes a new runtime.App at genesis and can inject values into extraOutputs.
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// It uses SetupWithConfiguration under the hood.
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func SetupAtGenesis(appConfig depinject.Config, extraOutputs ...interface{}) (*runtime.App, error) {
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return SetupWithConfiguration(appConfig, createDefaultRandomValidatorSet, nil, true, extraOutputs...)
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}
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// SetupWithBaseAppOption initializes a new runtime.App and can inject values into extraOutputs.
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// With specific baseApp options. It uses SetupWithConfiguration under the hood.
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func SetupWithBaseAppOption(appConfig depinject.Config, baseAppOption runtime.BaseAppOption, extraOutputs ...interface{}) (*runtime.App, error) {
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return SetupWithConfiguration(appConfig, createDefaultRandomValidatorSet, baseAppOption, false, extraOutputs...)
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}
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// SetupWithConfiguration initializes a new runtime.App. A Nop logger is set in runtime.App.
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// appConfig usually load from a `app.yaml` with `appconfig.LoadYAML`, defines the application configuration.
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// validatorSet defines a custom validator set to be validating the app.
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// baseAppOption defines the additional operations that must be run on baseapp before app start.
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// genesis defines if the app started should already have produced block or not.
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// extraOutputs defines the extra outputs to be assigned by the dependency injector (depinject).
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func SetupWithConfiguration(appConfig depinject.Config, validatorSet func() (*tmtypes.ValidatorSet, error), baseAppOption runtime.BaseAppOption, genesis bool, extraOutputs ...interface{}) (*runtime.App, error) {
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// create the app with depinject
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var (
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app *runtime.App
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appBuilder *runtime.AppBuilder
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codec codec.Codec
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)
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if err := depinject.Inject(
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appConfig,
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append(extraOutputs, &appBuilder, &codec)...,
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); err != nil {
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return nil, fmt.Errorf("failed to inject dependencies: %w", err)
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}
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if baseAppOption != nil {
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app = appBuilder.Build(log.NewNopLogger(), dbm.NewMemDB(), nil, baseAppOption)
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} else {
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app = appBuilder.Build(log.NewNopLogger(), dbm.NewMemDB(), nil)
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}
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if err := app.Load(true); err != nil {
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return nil, fmt.Errorf("failed to load app: %w", err)
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}
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// create validator set
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valSet, err := validatorSet()
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if err != nil {
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return nil, fmt.Errorf("failed to create validator set")
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}
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// generate genesis account
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senderPrivKey := secp256k1.GenPrivKey()
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acc := authtypes.NewBaseAccount(senderPrivKey.PubKey().Address().Bytes(), senderPrivKey.PubKey(), 0, 0)
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balance := banktypes.Balance{
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Address: acc.GetAddress().String(),
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Coins: sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, sdk.NewInt(100000000000000))),
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}
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genesisState, err := GenesisStateWithValSet(codec, appBuilder.DefaultGenesis(), valSet, []authtypes.GenesisAccount{acc}, balance)
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if err != nil {
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return nil, fmt.Errorf("failed to create genesis state: %w", err)
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}
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// init chain must be called to stop deliverState from being nil
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stateBytes, err := tmjson.MarshalIndent(genesisState, "", " ")
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if err != nil {
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return nil, fmt.Errorf("failed to marshal default genesis state: %w", err)
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}
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// init chain will set the validator set and initialize the genesis accounts
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app.InitChain(
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abci.RequestInitChain{
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Validators: []abci.ValidatorUpdate{},
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ConsensusParams: DefaultConsensusParams,
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AppStateBytes: stateBytes,
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},
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)
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// commit genesis changes
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if !genesis {
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app.Commit()
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app.BeginBlock(abci.RequestBeginBlock{Header: tmproto.Header{
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Height: app.LastBlockHeight() + 1,
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AppHash: app.LastCommitID().Hash,
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ValidatorsHash: valSet.Hash(),
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NextValidatorsHash: valSet.Hash(),
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}})
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}
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return app, nil
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}
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// GenesisStateWithValSet returns a new genesis state with the validator set
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func GenesisStateWithValSet(codec codec.Codec, genesisState map[string]json.RawMessage,
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valSet *tmtypes.ValidatorSet, genAccs []authtypes.GenesisAccount,
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balances ...banktypes.Balance,
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) (map[string]json.RawMessage, error) {
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// set genesis accounts
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authGenesis := authtypes.NewGenesisState(authtypes.DefaultParams(), genAccs)
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genesisState[authtypes.ModuleName] = codec.MustMarshalJSON(authGenesis)
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validators := make([]stakingtypes.Validator, 0, len(valSet.Validators))
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delegations := make([]stakingtypes.Delegation, 0, len(valSet.Validators))
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bondAmt := sdk.DefaultPowerReduction
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for _, val := range valSet.Validators {
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pk, err := cryptocodec.FromTmPubKeyInterface(val.PubKey)
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if err != nil {
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return nil, fmt.Errorf("failed to convert pubkey: %w", err)
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}
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pkAny, err := codectypes.NewAnyWithValue(pk)
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if err != nil {
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return nil, fmt.Errorf("failed to create new any: %w", err)
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}
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validator := stakingtypes.Validator{
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OperatorAddress: sdk.ValAddress(val.Address).String(),
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ConsensusPubkey: pkAny,
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Jailed: false,
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Status: stakingtypes.Bonded,
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Tokens: bondAmt,
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DelegatorShares: sdk.OneDec(),
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Description: stakingtypes.Description{},
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UnbondingHeight: int64(0),
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UnbondingTime: time.Unix(0, 0).UTC(),
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Commission: stakingtypes.NewCommission(sdk.ZeroDec(), sdk.ZeroDec(), sdk.ZeroDec()),
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MinSelfDelegation: sdk.ZeroInt(),
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}
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validators = append(validators, validator)
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delegations = append(delegations, stakingtypes.NewDelegation(genAccs[0].GetAddress(), val.Address.Bytes(), sdk.OneDec()))
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}
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// set validators and delegations
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stakingGenesis := stakingtypes.NewGenesisState(stakingtypes.DefaultParams(), validators, delegations)
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genesisState[stakingtypes.ModuleName] = codec.MustMarshalJSON(stakingGenesis)
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totalSupply := sdk.NewCoins()
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for _, b := range balances {
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// add genesis acc tokens to total supply
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totalSupply = totalSupply.Add(b.Coins...)
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}
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for range delegations {
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// add delegated tokens to total supply
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totalSupply = totalSupply.Add(sdk.NewCoin(sdk.DefaultBondDenom, bondAmt))
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}
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// add bonded amount to bonded pool module account
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balances = append(balances, banktypes.Balance{
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Address: authtypes.NewModuleAddress(stakingtypes.BondedPoolName).String(),
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Coins: sdk.Coins{sdk.NewCoin(sdk.DefaultBondDenom, bondAmt)},
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})
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// update total supply
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bankGenesis := banktypes.NewGenesisState(banktypes.DefaultGenesisState().Params, balances, totalSupply, []banktypes.Metadata{}, []banktypes.SendEnabled{})
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genesisState[banktypes.ModuleName] = codec.MustMarshalJSON(bankGenesis)
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return genesisState, nil
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}
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// EmptyAppOptions is a stub implementing AppOptions
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type EmptyAppOptions struct{}
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// Get implements AppOptions
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func (ao EmptyAppOptions) Get(o string) interface{} {
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return nil
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}
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// AppOptionsMap is a stub implementing AppOptions which can get data from a map
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type AppOptionsMap map[string]interface{}
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func (m AppOptionsMap) Get(key string) interface{} {
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v, ok := m[key]
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if !ok {
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return interface{}(nil)
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}
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return v
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}
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func NewAppOptionsWithFlagHome(homePath string) servertypes.AppOptions {
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return AppOptionsMap{
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flags.FlagHome: homePath,
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}
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}
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