handler

type AuthzKeeper interface {
	DeleteGrant(ctx context.Context, grantee sdk.AccAddress, granter sdk.AccAddress, msgType string) error
	GetAuthorization(ctx context.Context, grantee sdk.AccAddress, granter sdk.AccAddress, msgType string) (authz.Authorization, *time.Time)
	SaveGrant(ctx context.Context, grantee sdk.AccAddress, granter sdk.AccAddress, authorization authz.Authorization, expiration *time.Time) error
	GetGranteeGrantsByMsgType(ctx context.Context, grantee sdk.AccAddress, msgType string, onGrant authzkeeper.OnGrantFn)
}

type BankKeeper interface {
	SpendableCoin(ctx context.Context, addr sdk.AccAddress, denom string) sdk.Coin
}

type EscrowKeeper interface {
	AccountCreate(ctx sdk.Context, id escrowid.Account, owner sdk.AccAddress, deposits []etypes.Depositor) error
	AccountDeposit(ctx sdk.Context, id escrowid.Account, deposits []etypes.Depositor) error
	AccountClose(ctx sdk.Context, id escrowid.Account) error
	AuthorizeDeposits(sctx sdk.Context, msg sdk.Msg) ([]etypes.Depositor, error)
}

type MarketKeeper interface {
	CreateOrder(ctx sdk.Context, id types.GroupID, spec v1beta4.GroupSpec) (mtypes.Order, error)
	OnGroupClosed(ctx sdk.Context, id types.GroupID) error
}