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proposal_handler.go
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proposal_handler.go
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package keeper
import (
"fmt"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/crescent-network/crescent/v4/x/marketmaker/types"
)
// HandleMarketMakerProposal is a handler for executing a market maker proposal.
func HandleMarketMakerProposal(ctx sdk.Context, k Keeper, proposal *types.MarketMakerProposal) error {
if proposal.Inclusions != nil {
if err := k.IncludeMarketMakers(ctx, proposal.Inclusions); err != nil {
return err
}
}
if proposal.Distributions != nil {
if err := k.DistributeMarketMakerIncentives(ctx, proposal.Distributions); err != nil {
return err
}
}
if proposal.Exclusions != nil {
if err := k.ExcludeMarketMakers(ctx, proposal.Exclusions); err != nil {
return err
}
}
if proposal.Rejections != nil {
if err := k.RejectMarketMakers(ctx, proposal.Rejections); err != nil {
return err
}
}
return nil
}
// IncludeMarketMakers is a handler for include applied and not eligible market makers.
func (k Keeper) IncludeMarketMakers(ctx sdk.Context, proposals []types.MarketMakerHandle) error {
for _, p := range proposals {
mmAddr, err := sdk.AccAddressFromBech32(p.Address)
if err != nil {
return err
}
mm, found := k.GetMarketMaker(ctx, mmAddr, p.PairId)
if !found {
return sdkerrors.Wrapf(types.ErrNotExistMarketMaker, "%s is not a applied market maker", p.Address)
}
// fail when already eligible market maker
if mm.Eligible {
return sdkerrors.Wrapf(types.ErrInvalidInclusion, "%s is already eligible market maker", p.Address)
}
mm.Eligible = true
k.SetMarketMaker(ctx, mm)
// refund deposit amount
err = k.RefundDeposit(ctx, mmAddr, p.PairId)
if err != nil {
return err
}
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
types.EventTypeIncludeMarketMaker,
sdk.NewAttribute(types.AttributeKeyAddress, p.Address),
sdk.NewAttribute(types.AttributeKeyPairId, fmt.Sprintf("%d", p.PairId)),
),
})
}
return nil
}
// ExcludeMarketMakers is a handler for exclude eligible market makers.
func (k Keeper) ExcludeMarketMakers(ctx sdk.Context, proposals []types.MarketMakerHandle) error {
for _, p := range proposals {
mmAddr, err := sdk.AccAddressFromBech32(p.Address)
if err != nil {
return err
}
mm, found := k.GetMarketMaker(ctx, mmAddr, p.PairId)
if !found {
return sdkerrors.Wrapf(types.ErrNotExistMarketMaker, "%s is not market maker", p.Address)
}
if !mm.Eligible {
return sdkerrors.Wrapf(types.ErrInvalidExclusion, "%s is not eligible market maker", p.Address)
}
k.DeleteMarketMaker(ctx, mmAddr, p.PairId)
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
types.EventTypeExcludeMarketMaker,
sdk.NewAttribute(types.AttributeKeyAddress, p.Address),
sdk.NewAttribute(types.AttributeKeyPairId, fmt.Sprintf("%d", p.PairId)),
),
})
}
return nil
}
// RejectMarketMakers is a handler for reject applied and not eligible market makers.
func (k Keeper) RejectMarketMakers(ctx sdk.Context, proposals []types.MarketMakerHandle) error {
for _, p := range proposals {
mmAddr, err := sdk.AccAddressFromBech32(p.Address)
if err != nil {
return err
}
mm, found := k.GetMarketMaker(ctx, mmAddr, p.PairId)
if !found {
return sdkerrors.Wrapf(types.ErrNotExistMarketMaker, "%s is not market maker", p.Address)
}
if mm.Eligible {
return sdkerrors.Wrapf(types.ErrInvalidRejection, "%s is eligible market maker", p.Address)
}
k.DeleteMarketMaker(ctx, mmAddr, p.PairId)
// refund deposit amount
err = k.RefundDeposit(ctx, mmAddr, p.PairId)
if err != nil {
return err
}
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
types.EventTypeRejectMarketMaker,
sdk.NewAttribute(types.AttributeKeyAddress, p.Address),
sdk.NewAttribute(types.AttributeKeyPairId, fmt.Sprintf("%d", p.PairId)),
),
})
}
return nil
}
// DistributeMarketMakerIncentives is a handler for distribute incentives to eligible market makers.
func (k Keeper) DistributeMarketMakerIncentives(ctx sdk.Context, proposals []types.IncentiveDistribution) error {
params := k.GetParams(ctx)
totalIncentives := sdk.Coins{}
for _, p := range proposals {
totalIncentives = totalIncentives.Add(p.Amount...)
mm, found := k.GetMarketMaker(ctx, p.GetAccAddress(), p.PairId)
if !found {
return types.ErrNotExistMarketMaker
}
if !mm.Eligible {
return types.ErrNotEligibleMarketMaker
}
}
budgetAcc := params.IncentiveBudgetAcc()
err := k.bankKeeper.SendCoins(ctx, budgetAcc, types.ClaimableIncentiveReserveAcc, totalIncentives)
if err != nil {
return err
}
for _, p := range proposals {
incentive, found := k.GetIncentive(ctx, p.GetAccAddress())
if !found {
incentive.Claimable = sdk.Coins{}
}
k.SetIncentive(ctx, types.Incentive{
Address: p.Address,
Claimable: incentive.Claimable.Add(p.Amount...),
})
}
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
types.EventTypeDistributeIncentives,
sdk.NewAttribute(types.AttributeKeyBudgetAddress, budgetAcc.String()),
sdk.NewAttribute(types.AttributeKeyTotalIncentives, totalIncentives.String()),
),
})
return nil
}
// RefundDeposit is a handler for refund deposit amount and delete deposit object.
func (k Keeper) RefundDeposit(ctx sdk.Context, mmAddr sdk.AccAddress, pairId uint64) error {
deposit, found := k.GetDeposit(ctx, mmAddr, pairId)
if !found {
return types.ErrInvalidDeposit
}
err := k.bankKeeper.SendCoinsFromModuleToAccount(ctx, types.ModuleName, mmAddr, deposit.Amount)
if err != nil {
return err
}
k.DeleteDeposit(ctx, mmAddr, pairId)
return nil
}