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# `langchain_community.document_loaders.etherscan`.EtherscanLoader

class langchain_community.document_loaders.etherscan.EtherscanLoader(account_address: str, api_key: str = 'docs-demo', filter: str = 'normal_transaction', page: int = 1, offset: int = 10, start_block: int = 0, end_block: int = 99999999, sort: str = 'desc')

  Load transactions from Ethereum mainnet.

  The Loader use Etherscan API to interact with Ethereum mainnet.

  ETHERSCAN_API_KEY environment variable must be set use this loader.

  Methods

  `__init__`(account_address[, api_key, filter, ...]) |
  `alazy_load`() | A lazy loader for Documents.
  `aload`() | Load data into Document objects.
  `getERC1155Tx`() |
  `getERC20Tx`() |
  `getERC721Tx`() |
  `getEthBalance`() |
  `getInternalTx`() |
  `getNormTx`() |
  `lazy_load`() | Lazy load Documents from table.
  `load`() | Load data into Document objects.
  `load_and_split`([text_splitter]) | Load Documents and split into chunks.

  Parameters

    - account_address (str) –

    - api_key (str) –

    - filter (str) –

    - page (int) –

    - offset (int) –

    - start_block (int) –

    - end_block (int) –

    - sort (str) –

  __init__(account_address: str, api_key: str = 'docs-demo', filter: str = 'normal_transaction', page: int = 1, offset: int = 10, start_block: int = 0, end_block: int = 99999999, sort: str = 'desc')
    Parameters

      - account_address (str) –

      - api_key (str) –

      - filter (str) –

      - page (int) –

      - offset (int) –

      - start_block (int) –

      - end_block (int) –

      - sort (str) –

  async alazy_load() → AsyncIterator[Document]

    A lazy loader for Documents.

    Return type

      AsyncIterator[Document]

  async aload() → List[Document]

    Load data into Document objects.

    Return type

      List[Document]

  getERC1155Tx() → List[Document]
    Return type

      List[Document]

  getERC20Tx() → List[Document]
    Return type

      List[Document]

  getERC721Tx() → List[Document]
    Return type

      List[Document]

  getEthBalance() → List[Document]
    Return type

      List[Document]

  getInternalTx() → List[Document]
    Return type

      List[Document]

  getNormTx() → List[Document]
    Return type

      List[Document]

  lazy_load() → Iterator[Document]

    Lazy load Documents from table.

    Return type

      Iterator[Document]

  load() → List[Document]

    Load data into Document objects.

    Return type

      List[Document]

  load_and_split(text_splitter: Optional[TextSplitter] = None) → List[Document]

    Load Documents and split into chunks. Chunks are returned as Documents.

    Do not override this method. It should be considered to be deprecated!

    Parameters

      text_splitter (Optional[TextSplitter]) – TextSplitter instance to use for splitting documents. Defaults to RecursiveCharacterTextSplitter.

    Returns

      List of Documents.

    Return type

      List[Document]

# Examples using EtherscanLoader

- Etherscan

- etherscan.md