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16 changes: 11 additions & 5 deletions modules/sdk-coin-evm/src/lib/utils.ts
Original file line number Diff line number Diff line change
Expand Up @@ -10,16 +10,22 @@ export function getCommon(coin: Readonly<BaseCoin>): EthereumCommon {
if (!coin.features.includes(CoinFeature.SHARED_EVM_SDK)) {
throw new InvalidTransactionError(`Cannot use common sdk module for the coin ${coin.name}`);
}

const commonConfig: any = {
baseChain: coin.network.type === NetworkType.MAINNET ? 'mainnet' : 'sepolia',
};

if (coin.features.includes(CoinFeature.EIP1559)) {
commonConfig.hardfork = 'london';
commonConfig.eips = [1559];
}

return EthereumCommon.custom(
{
name: coin.network.name,
networkId: (coin.network as EthereumNetwork).chainId,
chainId: (coin.network as EthereumNetwork).chainId,
},
{
baseChain: coin.network.type === NetworkType.MAINNET ? 'mainnet' : 'sepolia',
hardfork: coin.features.includes(CoinFeature.EIP1559) ? 'london' : undefined,
eips: coin.features.includes(CoinFeature.EIP1559) ? [1559] : undefined,
}
commonConfig
);
}