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

52 lines
1.4 KiB
Go
Raw Normal View History

package keeper
import (
"bytes"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"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.GetParamSet(ctx, &params)
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, &params)
}
// 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{}, sdkerrors.Wrap(types.ErrConversionNotEnabled, 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{}, sdkerrors.Wrap(types.ErrConversionNotEnabled, denom)
}