92 lines
2.7 KiB
Go
92 lines
2.7 KiB
Go
package simulation
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import (
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"math/rand"
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"cosmossdk.io/x/protocolpool/keeper"
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"cosmossdk.io/x/protocolpool/types"
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"github.com/cosmos/cosmos-sdk/baseapp"
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"github.com/cosmos/cosmos-sdk/client"
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"github.com/cosmos/cosmos-sdk/codec"
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sdk "github.com/cosmos/cosmos-sdk/types"
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simtypes "github.com/cosmos/cosmos-sdk/types/simulation"
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"github.com/cosmos/cosmos-sdk/x/simulation"
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)
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// Simulation operation weights constants
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const (
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OpWeightMsgFundCommunityPool = "op_weight_msg_fund_community_pool"
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DefaultWeightMsgFundCommunityPool int = 50
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)
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// WeightedOperations returns all the operations from the module with their respective weights
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func WeightedOperations(
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appParams simtypes.AppParams,
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cdc codec.JSONCodec,
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txConfig client.TxConfig,
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ak types.AccountKeeper,
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bk types.BankKeeper,
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k keeper.Keeper,
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) simulation.WeightedOperations {
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var weightMsgFundCommunityPool int
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appParams.GetOrGenerate(OpWeightMsgFundCommunityPool, &weightMsgFundCommunityPool, nil, func(_ *rand.Rand) {
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weightMsgFundCommunityPool = DefaultWeightMsgFundCommunityPool
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})
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return simulation.WeightedOperations{
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simulation.NewWeightedOperation(
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weightMsgFundCommunityPool,
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SimulateMsgFundCommunityPool(txConfig, ak, bk, k),
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),
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}
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}
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// SimulateMsgFundCommunityPool simulates MsgFundCommunityPool execution where
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// a random account sends a random amount of its funds to the community pool.
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func SimulateMsgFundCommunityPool(txConfig client.TxConfig, ak types.AccountKeeper, bk types.BankKeeper, k keeper.Keeper) simtypes.Operation {
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return func(
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r *rand.Rand, app *baseapp.BaseApp, ctx sdk.Context, accs []simtypes.Account, chainID string,
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) (simtypes.OperationMsg, []simtypes.FutureOperation, error) {
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funder, _ := simtypes.RandomAcc(r, accs)
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account := ak.GetAccount(ctx, funder.Address)
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spendable := bk.SpendableCoins(ctx, account.GetAddress())
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fundAmount := simtypes.RandSubsetCoins(r, spendable)
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if fundAmount.Empty() {
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return simtypes.NoOpMsg(types.ModuleName, sdk.MsgTypeURL(&types.MsgFundCommunityPool{}), "fund amount is empty"), nil, nil
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}
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var (
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fees sdk.Coins
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err error
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)
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coins, hasNeg := spendable.SafeSub(fundAmount...)
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if !hasNeg {
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fees, err = simtypes.RandomFees(r, coins)
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if err != nil {
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return simtypes.NoOpMsg(types.ModuleName, sdk.MsgTypeURL(&types.MsgFundCommunityPool{}), "unable to generate fees"), nil, err
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}
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}
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msg := types.NewMsgFundCommunityPool(fundAmount, funder.Address.String())
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txCtx := simulation.OperationInput{
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R: r,
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App: app,
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TxGen: txConfig,
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Cdc: nil,
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Msg: msg,
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Context: ctx,
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SimAccount: funder,
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AccountKeeper: ak,
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ModuleName: types.ModuleName,
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}
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return simulation.GenAndDeliverTx(txCtx, fees)
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}
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}
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