import * as polkadot from "https://deno.land/x/polkadot@0.2.18/keyring/mod.ts"; ClassescKeyring@polkadot/keyring VariablesvDEV_PHRASEvDEV_SEEDvpackageInfoFunctionsfcreatePairfcreateTestKeyringfcreateTestPairsfdecodeAddressfencodeAddressfsetSS58Formatdeprecated