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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,246 @@ | ||
| package simulation | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "math/rand" | ||
| "testing" | ||
|
|
||
| "github.com/stretchr/testify/require" | ||
|
|
||
| "github.com/cosmos/cosmos-sdk/baseapp" | ||
| sdk "github.com/cosmos/cosmos-sdk/types" | ||
| "github.com/cosmos/cosmos-sdk/x/auth" | ||
| "github.com/cosmos/cosmos-sdk/x/mock" | ||
| "github.com/cosmos/cosmos-sdk/x/mock/simulation" | ||
| "github.com/cosmos/cosmos-sdk/x/stake" | ||
| abci "github.com/tendermint/tendermint/abci/types" | ||
| "github.com/tendermint/tendermint/crypto" | ||
| ) | ||
|
|
||
| // SimulateMsgCreateValidator | ||
| func SimulateMsgCreateValidator(m auth.AccountMapper, k stake.Keeper) simulation.TestAndRunTx { | ||
| return func(t *testing.T, r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, keys []crypto.PrivKey, log string) (action string, err sdk.Error) { | ||
| denom := k.GetParams(ctx).BondDenom | ||
| description := stake.Description{ | ||
| Moniker: simulation.RandStringOfLength(r, 10), | ||
| } | ||
| key := keys[r.Intn(len(keys))] | ||
| pubkey := key.PubKey() | ||
| address := sdk.AccAddress(pubkey.Address()) | ||
| amount := m.GetAccount(ctx, address).GetCoins().AmountOf(denom) | ||
| if amount.GT(sdk.ZeroInt()) { | ||
| amount = sdk.NewInt(int64(r.Intn(int(amount.Int64())))) | ||
| } | ||
| if amount.Equal(sdk.ZeroInt()) { | ||
| return "nop", nil | ||
| } | ||
| msg := stake.MsgCreateValidator{ | ||
| Description: description, | ||
| ValidatorAddr: address, | ||
| DelegatorAddr: address, | ||
| PubKey: pubkey, | ||
| Delegation: sdk.NewIntCoin(denom, amount), | ||
| } | ||
| require.Nil(t, msg.ValidateBasic(), "expected msg to pass ValidateBasic: %s", msg.GetSignBytes()) | ||
| ctx, write := ctx.CacheContext() | ||
| result := stake.NewHandler(k)(ctx, msg) | ||
| if result.IsOK() { | ||
| write() | ||
| } | ||
| // require.True(t, result.IsOK(), "expected OK result but instead got %v", result) | ||
| action = fmt.Sprintf("TestMsgCreateValidator: %s", msg.GetSignBytes()) | ||
| return action, nil | ||
| } | ||
| } | ||
|
|
||
| // SimulateMsgEditValidator | ||
| func SimulateMsgEditValidator(k stake.Keeper) simulation.TestAndRunTx { | ||
| return func(t *testing.T, r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, keys []crypto.PrivKey, log string) (action string, err sdk.Error) { | ||
| description := stake.Description{ | ||
| Moniker: simulation.RandStringOfLength(r, 10), | ||
| Identity: simulation.RandStringOfLength(r, 10), | ||
| Website: simulation.RandStringOfLength(r, 10), | ||
| Details: simulation.RandStringOfLength(r, 10), | ||
| } | ||
| key := keys[r.Intn(len(keys))] | ||
| pubkey := key.PubKey() | ||
| address := sdk.AccAddress(pubkey.Address()) | ||
| msg := stake.MsgEditValidator{ | ||
| Description: description, | ||
| ValidatorAddr: address, | ||
| } | ||
| require.Nil(t, msg.ValidateBasic(), "expected msg to pass ValidateBasic: %s", msg.GetSignBytes()) | ||
| ctx, write := ctx.CacheContext() | ||
| result := stake.NewHandler(k)(ctx, msg) | ||
| if result.IsOK() { | ||
| write() | ||
| } | ||
| action = fmt.Sprintf("TestMsgEditValidator: %s", msg.GetSignBytes()) | ||
| return action, nil | ||
| } | ||
| } | ||
|
|
||
| // SimulateMsgDelegate | ||
| func SimulateMsgDelegate(m auth.AccountMapper, k stake.Keeper) simulation.TestAndRunTx { | ||
| return func(t *testing.T, r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, keys []crypto.PrivKey, log string) (action string, err sdk.Error) { | ||
| denom := k.GetParams(ctx).BondDenom | ||
| validatorKey := keys[r.Intn(len(keys))] | ||
| validatorAddress := sdk.AccAddress(validatorKey.PubKey().Address()) | ||
| delegatorKey := keys[r.Intn(len(keys))] | ||
| delegatorAddress := sdk.AccAddress(delegatorKey.PubKey().Address()) | ||
| amount := m.GetAccount(ctx, delegatorAddress).GetCoins().AmountOf(denom) | ||
| if amount.GT(sdk.ZeroInt()) { | ||
| amount = sdk.NewInt(int64(r.Intn(int(amount.Int64())))) | ||
| } | ||
| if amount.Equal(sdk.ZeroInt()) { | ||
| return "nop", nil | ||
| } | ||
| msg := stake.MsgDelegate{ | ||
| DelegatorAddr: delegatorAddress, | ||
| ValidatorAddr: validatorAddress, | ||
| Delegation: sdk.NewIntCoin(denom, amount), | ||
| } | ||
| require.Nil(t, msg.ValidateBasic(), "expected msg to pass ValidateBasic: %s", msg.GetSignBytes()) | ||
| ctx, write := ctx.CacheContext() | ||
| result := stake.NewHandler(k)(ctx, msg) | ||
| if result.IsOK() { | ||
| write() | ||
| } | ||
| action = fmt.Sprintf("TestMsgDelegate: %s", msg.GetSignBytes()) | ||
| return action, nil | ||
| } | ||
| } | ||
|
|
||
| // SimulateMsgBeginUnbonding | ||
| func SimulateMsgBeginUnbonding(m auth.AccountMapper, k stake.Keeper) simulation.TestAndRunTx { | ||
| return func(t *testing.T, r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, keys []crypto.PrivKey, log string) (action string, err sdk.Error) { | ||
| denom := k.GetParams(ctx).BondDenom | ||
| validatorKey := keys[r.Intn(len(keys))] | ||
| validatorAddress := sdk.AccAddress(validatorKey.PubKey().Address()) | ||
| delegatorKey := keys[r.Intn(len(keys))] | ||
| delegatorAddress := sdk.AccAddress(delegatorKey.PubKey().Address()) | ||
| amount := m.GetAccount(ctx, delegatorAddress).GetCoins().AmountOf(denom) | ||
| if amount.GT(sdk.ZeroInt()) { | ||
| amount = sdk.NewInt(int64(r.Intn(int(amount.Int64())))) | ||
| } | ||
| if amount.Equal(sdk.ZeroInt()) { | ||
| return "nop", nil | ||
| } | ||
| msg := stake.MsgBeginUnbonding{ | ||
| DelegatorAddr: delegatorAddress, | ||
| ValidatorAddr: validatorAddress, | ||
| SharesAmount: sdk.NewRatFromInt(amount), | ||
| } | ||
| require.Nil(t, msg.ValidateBasic(), "expected msg to pass ValidateBasic: %s", msg.GetSignBytes()) | ||
| ctx, write := ctx.CacheContext() | ||
| result := stake.NewHandler(k)(ctx, msg) | ||
| if result.IsOK() { | ||
| write() | ||
| } | ||
| action = fmt.Sprintf("TestMsgBeginUnbonding: %s", msg.GetSignBytes()) | ||
| return action, nil | ||
| } | ||
| } | ||
|
|
||
| // SimulateMsgCompleteUnbonding | ||
| func SimulateMsgCompleteUnbonding(k stake.Keeper) simulation.TestAndRunTx { | ||
| return func(t *testing.T, r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, keys []crypto.PrivKey, log string) (action string, err sdk.Error) { | ||
| validatorKey := keys[r.Intn(len(keys))] | ||
| validatorAddress := sdk.AccAddress(validatorKey.PubKey().Address()) | ||
| delegatorKey := keys[r.Intn(len(keys))] | ||
| delegatorAddress := sdk.AccAddress(delegatorKey.PubKey().Address()) | ||
| msg := stake.MsgCompleteUnbonding{ | ||
| DelegatorAddr: delegatorAddress, | ||
| ValidatorAddr: validatorAddress, | ||
| } | ||
| require.Nil(t, msg.ValidateBasic(), "expected msg to pass ValidateBasic: %s", msg.GetSignBytes()) | ||
| ctx, write := ctx.CacheContext() | ||
| result := stake.NewHandler(k)(ctx, msg) | ||
| if result.IsOK() { | ||
| write() | ||
| } | ||
| action = fmt.Sprintf("TestMsgCompleteUnbonding with %s", msg.GetSignBytes()) | ||
| return action, nil | ||
| } | ||
| } | ||
|
|
||
| // SimulateMsgBeginRedelegate | ||
| func SimulateMsgBeginRedelegate(m auth.AccountMapper, k stake.Keeper) simulation.TestAndRunTx { | ||
| return func(t *testing.T, r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, keys []crypto.PrivKey, log string) (action string, err sdk.Error) { | ||
| denom := k.GetParams(ctx).BondDenom | ||
| sourceValidatorKey := keys[r.Intn(len(keys))] | ||
| sourceValidatorAddress := sdk.AccAddress(sourceValidatorKey.PubKey().Address()) | ||
| destValidatorKey := keys[r.Intn(len(keys))] | ||
| destValidatorAddress := sdk.AccAddress(destValidatorKey.PubKey().Address()) | ||
| delegatorKey := keys[r.Intn(len(keys))] | ||
| delegatorAddress := sdk.AccAddress(delegatorKey.PubKey().Address()) | ||
| // TODO | ||
| amount := m.GetAccount(ctx, delegatorAddress).GetCoins().AmountOf(denom) | ||
| if amount.GT(sdk.ZeroInt()) { | ||
| amount = sdk.NewInt(int64(r.Intn(int(amount.Int64())))) | ||
| } | ||
| if amount.Equal(sdk.ZeroInt()) { | ||
| return "nop", nil | ||
| } | ||
| msg := stake.MsgBeginRedelegate{ | ||
| DelegatorAddr: delegatorAddress, | ||
| ValidatorSrcAddr: sourceValidatorAddress, | ||
| ValidatorDstAddr: destValidatorAddress, | ||
| SharesAmount: sdk.NewRatFromInt(amount), | ||
| } | ||
| require.Nil(t, msg.ValidateBasic(), "expected msg to pass ValidateBasic: %s", msg.GetSignBytes()) | ||
| ctx, write := ctx.CacheContext() | ||
| result := stake.NewHandler(k)(ctx, msg) | ||
| if result.IsOK() { | ||
| write() | ||
| } | ||
| action = fmt.Sprintf("TestMsgBeginRedelegate: %s", msg.GetSignBytes()) | ||
| return action, nil | ||
| } | ||
| } | ||
|
|
||
| // SimulateMsgCompleteRedelegate | ||
| func SimulateMsgCompleteRedelegate(k stake.Keeper) simulation.TestAndRunTx { | ||
| return func(t *testing.T, r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, keys []crypto.PrivKey, log string) (action string, err sdk.Error) { | ||
| validatorSrcKey := keys[r.Intn(len(keys))] | ||
| validatorSrcAddress := sdk.AccAddress(validatorSrcKey.PubKey().Address()) | ||
| validatorDstKey := keys[r.Intn(len(keys))] | ||
| validatorDstAddress := sdk.AccAddress(validatorDstKey.PubKey().Address()) | ||
| delegatorKey := keys[r.Intn(len(keys))] | ||
| delegatorAddress := sdk.AccAddress(delegatorKey.PubKey().Address()) | ||
| msg := stake.MsgCompleteRedelegate{ | ||
| DelegatorAddr: delegatorAddress, | ||
| ValidatorSrcAddr: validatorSrcAddress, | ||
| ValidatorDstAddr: validatorDstAddress, | ||
| } | ||
| require.Nil(t, msg.ValidateBasic(), "expected msg to pass ValidateBasic: %s", msg.GetSignBytes()) | ||
| ctx, write := ctx.CacheContext() | ||
| result := stake.NewHandler(k)(ctx, msg) | ||
| if result.IsOK() { | ||
| write() | ||
| } | ||
| action = fmt.Sprintf("TestMsgCompleteRedelegate with %s", msg.GetSignBytes()) | ||
| return action, nil | ||
| } | ||
| } | ||
|
|
||
| // SimulationSetup | ||
| func SimulationSetup(mapp *mock.App, k stake.Keeper) simulation.RandSetup { | ||
| return func(r *rand.Rand, privKeys []crypto.PrivKey) { | ||
| ctx := mapp.NewContext(false, abci.Header{}) | ||
| stake.InitGenesis(ctx, k, stake.DefaultGenesisState()) | ||
| params := k.GetParams(ctx) | ||
| denom := params.BondDenom | ||
| loose := sdk.ZeroInt() | ||
| mapp.AccountMapper.IterateAccounts(ctx, func(acc auth.Account) bool { | ||
| balance := sdk.NewInt(int64(r.Intn(1000000))) | ||
| acc.SetCoins(acc.GetCoins().Plus(sdk.Coins{sdk.NewIntCoin(denom, balance)})) | ||
| mapp.AccountMapper.SetAccount(ctx, acc) | ||
| loose = loose.Add(balance) | ||
| return false | ||
| }) | ||
| pool := k.GetPool(ctx) | ||
| pool.LooseTokens = pool.LooseTokens.Add(sdk.NewRat(loose.Int64(), 1)) | ||
| k.SetPool(ctx, pool) | ||
| } | ||
| } |
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