The sign method calculates an Ethereum specific signature withsign(keccak256(\x19Ethereum Signed Message\n + len(message) +message))).By adding a prefix to the message makes the calculated signaturerecognisable as an Ethereum specific signature. This prevents misusewhere a malicious DApp can sign arbitrary data (e.g. transaction) anduse the signature to impersonate the victim.Note the address to sign with must be unlocked.

Parameters

DATA - string

address.

DATA - string

message to sign.

Request

wscat -c wss://optimism.getblock.io/YOUR-API-KEY/mainnet/ 
# wait for connection and send the request body 
{"jsonrpc": "2.0",
"method": "eth_sign",
"params": ["0xbec4e80531dad6a9989828d174cc2878b1e3123d", "0xdeadbeaf"],
"id": "getblock.io"}

Response

{
    "result": "null",
    "id": "getblock.io",
    "status_code": 405,
    "message": "Method not allowed"
}

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{ "overview": "Overview", "guides": "Guides", "get-started": "Get Started", "rpc-service": "Nodes Methods", "getblock-explorer": "Explorer API", "getblock-tracker": "Tracker API", "nodes-endpoints": "Nodes Endpoints" }

Method eth_sign undefined () connect with WS protocol

Parameters

Request

Response

Method eth_sign undefined ()
connect with WS protocol