RPC Browser

dumpprivkey "address"

Reveals the private key corresponding to 'address'.
Then the importprivkey can be used with this output

Arguments:
1. address    (string, required) The address for the private key

Result:
"str"    (string) The private key

Examples:
> spacexpanse-cli dumpprivkey "myaddress"
> spacexpanse-cli importprivkey "mykey"
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "dumpprivkey", "params": ["myaddress"]}' -H 'content-type: text/plain;' http://127.0.0.1:11998/

[
    {
        "name": "address",
        "detailsLines": [],
        "properties": [
            "string",
            "required"
        ],
        "description": "The address for the private key"
    }
]