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