client := rpchttp.New("tcp:0.0.0.0:26657", "/websocket")
err := client.Start()
if err != nil {
handle error
}
defer client.Stop()
query := "tm.event = 'Tx' AND tx.height = 3"
err = client.Unsubscribe(context.Background(), "test-client", query)
if err != nil {
handle error
}
/unsubscribe
query is a string, which has a form: "condition AND condition ..." (no OR at the moment). condition has a form: "key operation operand". key is a string with a restricted set of possible symbols ( \t\n\r\()"'=>< are not allowed). operation can be "=", "<", "<=", ">", ">=", "CONTAINS". operand can be a string (escaped with single quotes), number, date or time.
tm.event = 'Tx' AND tx.height = 5