229 lines
7.4 KiB
Go
229 lines
7.4 KiB
Go
package simulation
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import (
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"fmt"
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"math/rand"
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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/simulation"
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"github.com/cosmos/cosmos-sdk/x/stake"
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"github.com/cosmos/cosmos-sdk/x/stake/keeper"
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)
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// SimulateMsgCreateValidator
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func SimulateMsgCreateValidator(m auth.AccountKeeper, k stake.Keeper) simulation.Operation {
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handler := stake.NewHandler(k)
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return func(r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context,
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accs []simulation.Account, event func(string)) (
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action string, fOp []simulation.FutureOperation, err 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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maxCommission := sdk.NewDecWithPrec(r.Int63n(1000), 3)
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commission := stake.NewCommissionMsg(
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simulation.RandomDecAmount(r, maxCommission),
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maxCommission,
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simulation.RandomDecAmount(r, maxCommission),
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)
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acc := simulation.RandomAcc(r, accs)
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address := sdk.ValAddress(acc.Address)
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amount := m.GetAccount(ctx, acc.Address).GetCoins().AmountOf(denom)
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if amount.GT(sdk.ZeroInt()) {
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amount = simulation.RandomAmount(r, amount)
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}
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if amount.Equal(sdk.ZeroInt()) {
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return "no-operation", nil, nil
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}
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msg := stake.MsgCreateValidator{
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Description: description,
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Commission: commission,
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ValidatorAddr: address,
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DelegatorAddr: acc.Address,
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PubKey: acc.PubKey,
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Delegation: sdk.NewCoin(denom, amount),
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}
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if msg.ValidateBasic() != nil {
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return "", nil, fmt.Errorf("expected msg to pass ValidateBasic: %s", msg.GetSignBytes())
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}
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ctx, write := ctx.CacheContext()
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result := handler(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: ok %v, msg %s", result.IsOK(), msg.GetSignBytes())
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return action, nil, nil
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}
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}
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// SimulateMsgEditValidator
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func SimulateMsgEditValidator(k stake.Keeper) simulation.Operation {
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handler := stake.NewHandler(k)
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return func(r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context,
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accs []simulation.Account, event func(string)) (
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action string, fOp []simulation.FutureOperation, err 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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val := keeper.RandomValidator(r, k, ctx)
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address := val.GetOperator()
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newCommissionRate := simulation.RandomDecAmount(r, val.Commission.MaxRate)
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msg := stake.MsgEditValidator{
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Description: description,
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ValidatorAddr: address,
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CommissionRate: &newCommissionRate,
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}
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if msg.ValidateBasic() != nil {
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return "", nil, fmt.Errorf("expected msg to pass ValidateBasic: %s", msg.GetSignBytes())
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}
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ctx, write := ctx.CacheContext()
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result := handler(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: ok %v, msg %s", result.IsOK(), msg.GetSignBytes())
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return action, nil, nil
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}
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}
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// SimulateMsgDelegate
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func SimulateMsgDelegate(m auth.AccountKeeper, k stake.Keeper) simulation.Operation {
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handler := stake.NewHandler(k)
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return func(r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context,
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accs []simulation.Account, event func(string)) (
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action string, fOp []simulation.FutureOperation, err error) {
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denom := k.GetParams(ctx).BondDenom
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val := keeper.RandomValidator(r, k, ctx)
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validatorAddress := val.GetOperator()
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delegatorAcc := simulation.RandomAcc(r, accs)
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delegatorAddress := delegatorAcc.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 = simulation.RandomAmount(r, amount)
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}
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if amount.Equal(sdk.ZeroInt()) {
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return "no-operation", nil, 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.NewCoin(denom, amount),
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}
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if msg.ValidateBasic() != nil {
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return "", nil, fmt.Errorf("expected msg to pass ValidateBasic: %s", msg.GetSignBytes())
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}
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ctx, write := ctx.CacheContext()
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result := handler(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: ok %v, msg %s", result.IsOK(), msg.GetSignBytes())
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return action, nil, nil
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}
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}
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// SimulateMsgBeginUnbonding
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func SimulateMsgBeginUnbonding(m auth.AccountKeeper, k stake.Keeper) simulation.Operation {
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handler := stake.NewHandler(k)
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return func(r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context,
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accs []simulation.Account, event func(string)) (
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action string, fOp []simulation.FutureOperation, err error) {
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delegatorAcc := simulation.RandomAcc(r, accs)
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delegatorAddress := delegatorAcc.Address
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delegations := k.GetAllDelegatorDelegations(ctx, delegatorAddress)
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if len(delegations) == 0 {
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return "no-operation", nil, nil
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}
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delegation := delegations[r.Intn(len(delegations))]
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numShares := simulation.RandomDecAmount(r, delegation.Shares)
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if numShares.Equal(sdk.ZeroDec()) {
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return "no-operation", nil, nil
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}
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msg := stake.MsgBeginUnbonding{
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DelegatorAddr: delegatorAddress,
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ValidatorAddr: delegation.ValidatorAddr,
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SharesAmount: numShares,
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}
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if msg.ValidateBasic() != nil {
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return "", nil, fmt.Errorf("expected msg to pass ValidateBasic: %s, got error %v",
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msg.GetSignBytes(), msg.ValidateBasic())
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}
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ctx, write := ctx.CacheContext()
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result := handler(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: ok %v, msg %s", result.IsOK(), msg.GetSignBytes())
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return action, nil, nil
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}
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}
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// SimulateMsgBeginRedelegate
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func SimulateMsgBeginRedelegate(m auth.AccountKeeper, k stake.Keeper) simulation.Operation {
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handler := stake.NewHandler(k)
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return func(r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context,
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accs []simulation.Account, event func(string)) (
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action string, fOp []simulation.FutureOperation, err error) {
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denom := k.GetParams(ctx).BondDenom
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srcVal := keeper.RandomValidator(r, k, ctx)
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srcValidatorAddress := srcVal.GetOperator()
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destVal := keeper.RandomValidator(r, k, ctx)
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destValidatorAddress := destVal.GetOperator()
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delegatorAcc := simulation.RandomAcc(r, accs)
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delegatorAddress := delegatorAcc.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 = simulation.RandomAmount(r, amount)
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}
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if amount.Equal(sdk.ZeroInt()) {
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return "no-operation", nil, nil
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}
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msg := stake.MsgBeginRedelegate{
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DelegatorAddr: delegatorAddress,
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ValidatorSrcAddr: srcValidatorAddress,
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ValidatorDstAddr: destValidatorAddress,
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SharesAmount: sdk.NewDecFromInt(amount),
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}
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if msg.ValidateBasic() != nil {
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return "", nil, fmt.Errorf("expected msg to pass ValidateBasic: %s", msg.GetSignBytes())
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}
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ctx, write := ctx.CacheContext()
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result := handler(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, nil
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}
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}
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