Constructor
- Sets up the RPC URL, provider, signer, and transaction history.
Connecting to Shardeum and Authentication
- Checks for
window.ethereum(MetaMask or similar wallet). - Requests account access and gets a signer for transactions.
Performing a Sample Request: eth_getBalance
- Uses a raw JSON-RPC call to get an account’s balance.
- Converts the result from Wei to SHM for readability.
Sending Transactions: sendSHM
- Converts SHM to Wei, gets gas price, and sends a transaction using the signer.
- Handles user approval and transaction hash retrieval.
Other Helper Functions
getCurrentAddress(),getMyBalance(),getGasPrice(),getTransactionByHash(),donate(),formatSHM(),parseSHM().