0g-chain/x/evmutil/keeper/params.go
2024-08-03 15:04:33 +08:00

64 lines
2.0 KiB
Go

package keeper
import (
"bytes"
errorsmod "cosmossdk.io/errors"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/0glabs/0g-chain/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, &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)
}
// 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.ZgChainERC20Address, 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)
}