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	add stability fee validation (#307)
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				| @ -162,6 +162,7 @@ func (p *Params) ParamSetPairs() params.ParamSetPairs { | ||||
| 
 | ||||
| // Validate checks that the parameters have valid values.
 | ||||
| func (p Params) Validate() error { | ||||
| 	// validate debt params
 | ||||
| 	debtDenoms := make(map[string]int) | ||||
| 	debtParamsDebtLimit := sdk.Coins{} | ||||
| 	for _, dp := range p.DebtParams { | ||||
| @ -184,6 +185,7 @@ func (p Params) Validate() error { | ||||
| 			p.GlobalDebtLimit, debtParamsDebtLimit) | ||||
| 	} | ||||
| 
 | ||||
| 	// validate collateral params
 | ||||
| 	collateralDupMap := make(map[string]int) | ||||
| 	prefixDupMap := make(map[int]int) | ||||
| 	collateralParamsDebtLimit := sdk.Coins{} | ||||
| @ -226,16 +228,19 @@ func (p Params) Validate() error { | ||||
| 		if !cp.AuctionSize.IsPositive() { | ||||
| 			return fmt.Errorf("auction size should be positive, is %s for %s", cp.AuctionSize, cp.Denom) | ||||
| 		} | ||||
| 		if cp.StabilityFee.LT(sdk.OneDec()) { | ||||
| 			return fmt.Errorf("stability fee must be ≥ 1.0, is %s for %s", cp.StabilityFee, cp.Denom) | ||||
| 		} | ||||
| 	} | ||||
| 	if collateralParamsDebtLimit.IsAnyGT(p.GlobalDebtLimit) { | ||||
| 		return fmt.Errorf("collateral debt limit exceeds global debt limit:\n\tglobal debt limit: %s\n\tcollateral debt limits: %s", | ||||
| 			p.GlobalDebtLimit, collateralParamsDebtLimit) | ||||
| 	} | ||||
| 
 | ||||
| 	// validate global params
 | ||||
| 	if p.GlobalDebtLimit.IsAnyNegative() { | ||||
| 		return fmt.Errorf("global debt limit should be positive for all debt tokens, is %s", p.GlobalDebtLimit) | ||||
| 	} | ||||
| 
 | ||||
| 	if !p.SurplusAuctionThreshold.IsPositive() { | ||||
| 		return fmt.Errorf("surplus auction threshold should be positive, is %s", p.SurplusAuctionThreshold) | ||||
| 	} | ||||
|  | ||||
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