RPC Browser

verifymessage "address" "signature" "message"

Verify a signed message

Arguments:
1. address      (string, required) The address to use for the signature or "" to recover it.
2. signature    (string, required) The signature provided by the signer in base 64 encoding (see signmessage).
3. message      (string, required) The message that was signed.

Result (with address):
true|false    (boolean) If the signature is verified or not

Result (without address (set to "")):
{                          (json object)
  "valid" : true|false,    (boolean) Whether the signature is valid at all
  "address" : "str"        (string, optional) For which address the signature is valid
}

Examples:

Unlock the wallet for 30 seconds
> spacexpanse-cli walletpassphrase "mypassphrase" 30

Create the signature
> spacexpanse-cli signmessage "CJ12BVLi6tx2mST1Z4BSANNeztHunz9LT" "my message"

Verify the signature
> spacexpanse-cli verifymessage "CJ12BVLi6tx2mST1Z4BSANNeztHunz9LT" "signature" "my message"

Verify and return address
> spacexpanse-cli verifymessage "" "signature" "my message"

As a JSON-RPC call
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "verifymessage", "params": ["CJ12BVLi6tx2mST1Z4BSANNeztHunz9LT", "signature", "my message"]}' -H 'content-type: text/plain;' http://127.0.0.1:11998/

[
    {
        "name": "address",
        "detailsLines": [],
        "properties": [
            "string",
            "required"
        ],
        "description": "The address to use for the signature or \"\" to recover it."
    },
    {
        "name": "signature",
        "detailsLines": [],
        "properties": [
            "string",
            "required"
        ],
        "description": "The signature provided by the signer in base 64 encoding (see signmessage)."
    },
    {
        "name": "message",
        "detailsLines": [],
        "properties": [
            "string",
            "required"
        ],
        "description": "The message that was signed."
    }
]