import * as polkadot from "https://deno.land/x/polkadot@0.2.27/util/u8a/wrap.ts"; VariablesvU8A_WRAP_ETHEREUMvU8A_WRAP_POSTFIXvU8A_WRAP_PREFIXFunctionsfu8aIsWrappedfu8aUnwrapBytesfu8aWrapBytes