WEB3 methods

The WEB3 API methods provide functionality for the Ethereum ecosystem.

web3_clientVersion

Returns the current client version.

Parameters

• None

Returns

• Current client version.

Example

curl HTTP request

curl -X POST http://127.0.0.1:8545/ \
  -H "Content-Type: application/json" \
  --data '{
    "jsonrpc": "2.0",
    "method": "web3_clientVersion",
    "params": [],
    "id": 1
  }'

wscat WS request

{
  "jsonrpc": "2.0",
  "method": "web3_clientVersion",
  "params": [],
  "id": 1
}

JSON result

{
  "jsonrpc": "2.0",
  "id": 53,
  "result": "besu/<version>"
}

---

web3_sha3

Returns a SHA3 hash of the specified data. The result value is a Keccak-256 hash, not the standardized SHA3-256.

Parameters

• data: string - Data to convert to a SHA3 hash.

Returns

• SHA3 result of the input data.

Example

curl HTTP request

curl -X POST http://127.0.0.1:8545/ \
  -H "Content-Type: application/json" \
  --data '{
    "jsonrpc": "2.0",
    "method": "web3_sha3",
    "params": [
      "0x68656c6c6f20776f726c00"
    ],
    "id": 53
  }'

wscat WS request

{
  "jsonrpc": "2.0",
  "method": "web3_sha3",
  "params": [
    "0x68656c6c6f20776f726c00"
  ],
  "id": 53
}

JSON result

{
  "jsonrpc": "2.0",
  "id": 53,
  "result": "0x5e39a0a66544c0668bde22d61c47a8710000ece931f13b84d3b2feb44ec96d3f"
}