package keeper import ( "bytes" errorsmod "cosmossdk.io/errors" sdk "github.com/cosmos/cosmos-sdk/types" "github.com/kava-labs/kava/x/evmutil/types" ) // GetParams returns the total set of evm parameters. func (k Keeper) GetParams(ctx sdk.Context) (params types.Params) { k.paramSubspace.GetParamSetIfExists(ctx, ¶ms) return params } // SetParams sets the evm parameters to the param space. func (k Keeper) SetParams(ctx sdk.Context, params types.Params) { k.paramSubspace.SetParamSet(ctx, ¶ms) } // GetAllowedTokenMetadata gets the token metadata for the given cosmosDenom if it is allowed. // Returns the metadata if allowed, and a bool indicating if the denom was in the allow list or not. func (k Keeper) GetAllowedTokenMetadata(ctx sdk.Context, cosmosDenom string) (types.AllowedCosmosCoinERC20Token, bool) { params := k.GetParams(ctx) for _, token := range params.AllowedCosmosDenoms { if token.CosmosDenom == cosmosDenom { return token, true } } return types.AllowedCosmosCoinERC20Token{}, false } // GetEnabledConversionPairFromERC20Address returns an ConversionPair from the internal contract address. func (k Keeper) GetEnabledConversionPairFromERC20Address( ctx sdk.Context, address types.InternalEVMAddress, ) (types.ConversionPair, error) { params := k.GetParams(ctx) for _, pair := range params.EnabledConversionPairs { if bytes.Equal(pair.KavaERC20Address, address.Bytes()) { return pair, nil } } return types.ConversionPair{}, errorsmod.Wrap(types.ErrEVMConversionNotEnabled, address.String()) } // GetEnabledConversionPairFromDenom returns an ConversionPair from the sdk.Coin denom. func (k Keeper) GetEnabledConversionPairFromDenom( ctx sdk.Context, denom string, ) (types.ConversionPair, error) { params := k.GetParams(ctx) for _, pair := range params.EnabledConversionPairs { if pair.Denom == denom { return pair, nil } } return types.ConversionPair{}, errorsmod.Wrap(types.ErrEVMConversionNotEnabled, denom) }