text: Etherscan loader use etherscan api to load transacactions histories under specific account on Ethereum Mainnet.You will need a Etherscan api key to proceed. The free api key has 5 calls per seconds quota.The loader supports the following six functinalities:Retrieve normal transactions under specifc account on Ethereum MainetRetrieve internal transactions under specifc account on Ethereum MainetRetrieve erc20 transactions under specifc account on Ethereum MainetRetrieve erc721 transactions under specifc account on Ethereum MainetRetrieve erc1155 transactions under specifc account on Ethereum MainetRetrieve ethereum balance in wei under specifc account on Ethereum MainetIf the account does not have corresponding transactions, the loader will a list with one document. The content of document is ''.You can pass differnt filters to loader to access different functionalities we mentioned above:"normal_transaction""internal_transaction""erc20_transaction""eth_balance""erc721_transaction""erc1155_transaction"