Functions of NodeInterface

NodeInterface provides a series of functions that enable developers to efficiently interact with the EMC chain, including but not limited to:

1. Node information query: Get the basic information and status of the node.

2. Block information query: Get information about a specific block, including block hash, transaction list, etc.

3. Transaction information query: Obtain detailed information of a specific transaction, including transaction status, input and output, etc.

4. Account information query: Get the balance and status of a specific account.

5. Contract calls and interactions: Interact with smart contracts on the chain, call contract methods and obtain contract status.