0g-chain/x/issuance/keeper/params.go

package keeper

import (
	errorsmod "cosmossdk.io/errors"
	sdk "github.com/cosmos/cosmos-sdk/types"

	"github.com/0glabs/0g-chain/x/issuance/types"
)

// GetParams returns the params from the store
func (k Keeper) GetParams(ctx sdk.Context) types.Params {
	var p types.Params
	k.paramSubspace.GetParamSet(ctx, &p)
	return p
}

// SetParams sets params on the store
func (k Keeper) SetParams(ctx sdk.Context, params types.Params) {
	k.paramSubspace.SetParamSet(ctx, &params)
}

// GetAsset returns an asset from the params and a boolean for if it was found
func (k Keeper) GetAsset(ctx sdk.Context, denom string) (types.Asset, bool) {
	params := k.GetParams(ctx)
	for _, asset := range params.Assets {
		if asset.Denom == denom {
			return asset, true
		}
	}
	return types.Asset{}, false
}

// SetAsset sets an asset in the params
func (k Keeper) SetAsset(ctx sdk.Context, asset types.Asset) {
	params := k.GetParams(ctx)
	for i := range params.Assets {
		if params.Assets[i].Denom == asset.Denom {
			params.Assets[i] = asset
		}
	}
	k.SetParams(ctx, params)
}

// GetRateLimit returns the rete-limit parameters for the input denom
func (k Keeper) GetRateLimit(ctx sdk.Context, denom string) (types.RateLimit, error) {
	asset, found := k.GetAsset(ctx, denom)
	if !found {
		errorsmod.Wrap(types.ErrAssetNotFound, denom)
	}
	return asset.RateLimit, nil
}

// SynchronizeBlockList resets the block list to empty for any asset that is not blockable - could happen if this value is changed via governance
func (k Keeper) SynchronizeBlockList(ctx sdk.Context) {
	params := k.GetParams(ctx)
	for _, asset := range params.Assets {
		if !asset.Blockable && len(asset.BlockedAddresses) > 0 {
			asset.BlockedAddresses = []string{}
			k.SetAsset(ctx, asset)
		}
	}
}