I'm trying to get token balances from Arbitrum One with a specific date. This is the code I'm using:
const date = sdk.date.formatDate(new Date())
const swprAddress = SWPR[ChainId.ARBITRUM_ONE].address;
const tokenContract = sdk.ethers.getERC20Contract(swprAddress, 'arbitrum-one')
const [daoBalance, swaprWalletSchemeBalance, unconvertedBalance] = await Promise.all([
tokenContract.balanceOf("addressOne", { blockTag: date }),
tokenContract.balanceOf("addressTwo", { blockTag: date }),
tokenContract.balanceOf(SWPR_CONVERTER_ADDRESS[ChainId.ARBITRUM_ONE], { blockTag: date }),
])