signmessage "address" "message"
Sign a message with the private key of an address
Requires wallet passphrase to be set with walletpassphrase call if wallet is encrypted.
Arguments:
1. address (string, required) The address to use for the private key.
2. message (string, required) The message to create a signature of.
Result:
"str" (string) The signature of the message encoded in base 64
Examples:
Unlock the wallet for 30 seconds
> elements-cli walletpassphrase "mypassphrase" 30
Create the signature
> elements-cli signmessage "1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX" "my message"
Verify the signature
> elements-cli verifymessage "1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX" "signature" "my message"
As a JSON-RPC call
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "signmessage", "params": ["1D1ZrZNe3JUo7ZycKEYQQiQAWd9y54F4XX", "my message"]}' -H 'content-type: text/plain;' http://127.0.0.1:7041/
