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eth_chainId

Returns the currently configured chain ID, a value used in replay-protected transaction signing as introduced by EIP-155.

Parameters​

None

Returns​

A hexadecimal of the current chain ID.

Example​

Replace https://dataseed-testnet.helioschain.network with your node rpc url.

Request curl​

curl https://dataseed-testnet.helioschain.network \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc": "2.0", "method": "eth_chainId", "params": [], "id": 1}'

JSON Response​

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x1092"
}

Convert hexadecimal to integer - On macOS in Term or iTerm, you can use printf "%d\n" 0x1092 (4242) to convert the above hexadecimal number into an integer number.