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	* Committee types (#899) * committee types * refactor to committee interface * include tokencommitee stringer method * add members to BaseCommittee * address revisions * update querier * update querier * fix compilation errors, tests, etc. * Update MsgVote with vote type (#900) * add vote to msg * update querier/rest * update example cli vote msg * remove incorrect comments * address revisions * update handler, stub keeper method * add vote type to vote struct * Committee module keeper logic for token holder governance (#902) * fix keeper/test compilation errors * fix keeper/test compilation errors pt 2 * add setters to committee interface * fix sims compilation errors * fix incentive tests compilation errors * update types, expected keepers * core keeper logic * don't allow bond denom * implement vote tallying * query proposal polling status * update module keepers in app.go * register committee interface * fix failing incentive test * commitee types tests * refactor GetProposalResult by committee types * update invariants * implement most proposal keeper tests * add nulls to custom enums * remove abstain vote type * add test for close proposal * remove outdated TODOs * update ProcessProposals * switch on committee type directly * reintroduce Abstain votes and update vote tallying * don't allow divide by 0 panics * delete unused setters on committee interface * clean up tally methods return values for querier * update enum validation to catch negative ints * reintroduce setters for sims compilation * address revisions * remove commented out test * implement ProcessProposals test * additional revisions * Committee migrations (#909) * add committee v14 legacy types * update migration imports for compile * addRegisterCodec() to committee v14 legacy types * migrate committee genesis state from v14 to v15 * set stability committee permissions properly * fix committee allowed params * migration test, kava-7 sample data * add concrete types to committees (#911) * revisions: migrate + tests * register msgs on legacy codec * Prepare Committee module for migrations (#906) * remove invariants * edits * fix abci test * fix keeper querier tests * add committee interface registration * use codec.Codec * don't allow null vote types * don't allow null tally option * minor spelling fixes * update example cli proposal * fix cli tally query * enable vote abstain from cli * include vote options in cli help text * call CloseProposal from handler * custom enum marshaling * committee: fix failing tests (#921) * fix failing tests * fix: spelling Co-authored-by: rhuairahrighairigh <ruaridh.odonnell@gmail.com> Co-authored-by: Ruaridh <rhuairahrighairidh@users.noreply.github.com> Co-authored-by: Kevin Davis <karzak@users.noreply.github.com>
		
			
				
	
	
		
			174 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			174 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package simulation
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import (
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	"fmt"
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	"math/rand"
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	sdk "github.com/cosmos/cosmos-sdk/types"
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	govtypes "github.com/cosmos/cosmos-sdk/x/gov/types"
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	"github.com/cosmos/cosmos-sdk/x/simulation"
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	appparams "github.com/kava-labs/kava/app/params"
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	"github.com/kava-labs/kava/x/committee/keeper"
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	"github.com/kava-labs/kava/x/committee/types"
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)
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const OpWeightSubmitCommitteeChangeProposal = "op_weight_submit_committee_change_proposal"
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// ProposalContents defines the module weighted proposals' contents
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func ProposalContents(k keeper.Keeper, paramChanges []simulation.ParamChange) []simulation.WeightedProposalContent {
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	return []simulation.WeightedProposalContent{
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		{
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			AppParamsKey:       OpWeightSubmitCommitteeChangeProposal,
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			DefaultWeight:      appparams.OpWeightSubmitCommitteeChangeProposal,
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			ContentSimulatorFn: SimulateCommitteeChangeProposalContent(k, paramChanges),
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		},
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	}
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}
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// SimulateCommitteeChangeProposalContent generates gov proposal contents that either:
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// - create new committees
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// - change existing committees
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// - delete committees
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// It does not alter the fallback committee.
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func SimulateCommitteeChangeProposalContent(k keeper.Keeper, paramChanges []simulation.ParamChange) simulation.ContentSimulatorFn {
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	return func(r *rand.Rand, ctx sdk.Context, accs []simulation.Account) govtypes.Content {
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		allowedParams := paramChangeToAllowedParams(paramChanges)
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		// get current committees, ignoring the fallback committee
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		var committees []types.Committee
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		k.IterateCommittees(ctx, func(com types.Committee) bool {
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			if com.GetID() != FallbackCommitteeID {
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				committees = append(committees, com)
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			}
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			return false
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		})
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		if len(committees) < 1 { // create a committee if none exist
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			com, err := RandomCommittee(r, firstNAccounts(25, accs), allowedParams) // limit num members to avoid overflowing hardcoded gov ops gas limit
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			if err != nil {
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				panic(err)
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			}
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			return types.NewCommitteeChangeProposal(
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				simulation.RandStringOfLength(r, 10),
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				simulation.RandStringOfLength(r, 100),
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				com,
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			)
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		}
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		// create a proposal content
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		var content govtypes.Content
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		switch choice := r.Intn(100); {
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		// create committee
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		case choice < 20:
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			com, err := RandomCommittee(r, firstNAccounts(25, accs), allowedParams) // limit num members to avoid overflowing hardcoded gov ops gas limit
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			if err != nil {
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				panic(err)
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			}
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			content = types.NewCommitteeChangeProposal(
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				simulation.RandStringOfLength(r, 10),
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				simulation.RandStringOfLength(r, 100),
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				com,
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			)
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		// update committee
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		case choice < 80:
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			com := committees[r.Intn(len(committees))]
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			// update members
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			if r.Intn(100) < 50 {
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				if len(accs) == 0 {
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					panic("must have at least one account available to use as committee member")
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				}
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				var members []sdk.AccAddress
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				for len(members) < 1 {
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					members = RandomAddresses(r, firstNAccounts(25, accs)) // limit num members to avoid overflowing hardcoded gov ops gas limit
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				}
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				com.SetMembers(members)
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			}
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			// update permissions
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			if r.Intn(100) < 50 {
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				com.SetPermissions(RandomPermissions(r, allowedParams))
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			}
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			// update proposal duration
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			if r.Intn(100) < 50 {
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				dur, err := RandomPositiveDuration(r, 0, AverageBlockTime*100)
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				if err != nil {
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					panic(err)
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				}
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				com.SetProposalDuration(dur)
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			}
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			// update vote threshold
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			if r.Intn(100) < 50 {
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				// VoteThreshold must be in interval (0,1]
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				com.SetVoteThreshold(simulation.RandomDecAmount(r, sdk.MustNewDecFromStr("1").Sub(sdk.SmallestDec())).Add(sdk.SmallestDec()))
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			}
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			content = types.NewCommitteeChangeProposal(
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				simulation.RandStringOfLength(r, 10),
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				simulation.RandStringOfLength(r, 100),
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				com,
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			)
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		// delete committee
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		default:
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			com := committees[r.Intn(len(committees))]
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			content = types.NewCommitteeDeleteProposal(
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				simulation.RandStringOfLength(r, 10),
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				simulation.RandStringOfLength(r, 100),
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				com.GetID(),
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			)
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		}
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		return content
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	}
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}
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// Example custom ParamChangeProposal generator to only generate change to interesting cdp params.
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// This allows more control over what params are changed within a simulation.
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/*
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func SimulateCDPParamChangeProposalContent(cdpKeeper cdpkeeper.Keeper, paramChangePool []simulation.ParamChange) simulation.ContentSimulatorFn {
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	return func(r *rand.Rand, ctx sdk.Context, _ []simulation.Account) govtypes.Content {
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		var paramChanges []paramstypes.ParamChange
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		// alter sub params
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		cp := cdpKeeper.GetParams(ctx).CollateralParams
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		if len(cp) == 0 {
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			return nil
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		}
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		cp[0].StabilityFee = sdk.MustNewDecFromStr("0.000001")
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		paramChanges = append(
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			paramChanges,
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			paramstypes.NewParamChange(cdptypes.ModuleName, "?", string(cdptypes.ModuleCdc.MustMarshalJSON(cp))),
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		)
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		// alter normal param
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		for _, pc := range paramChangePool {
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			if pc.Subspace == cdptypes.ModuleName && pc.Key == string(cdptypes.KeyGlobalDebtLimit) {
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				paramChanges = append(
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					paramChanges,
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					paramstypes.NewParamChange(pc.Subspace, pc.Key, pc.SimValue(r)),
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				)
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			}
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		}
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		return paramstypes.NewParameterChangeProposal(
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			simulation.RandStringOfLength(r, 140),  // title
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			simulation.RandStringOfLength(r, 5000), // description
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			paramChanges,                           // set of changes
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		)
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	}
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}
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*/
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func firstNAccounts(n int, accs []simulation.Account) []simulation.Account {
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	if n < 0 {
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		panic(fmt.Sprintf("n must be ≥ 0"))
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	}
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	if n > len(accs) {
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		return accs
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	}
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	return accs[:n]
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}
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