import "github.com/scorum/bitshares-go"

client, err := NewClient("wss://bitshares.openledger.info/ws")

// retrieve the current global_property_object
props, err := client.Database.GetDynamicGlobalProperties()

// lookup symbols ids
symbols, err := client.Database.LookupAssetSymbols("OPEN.SCR", "USD")
require.NoError(t, err)

openSCR := symbols[0].ID
USD := symbols[1].ID

// retrieve 5 last filled orders
orders, err := client.History.GetFillOrderHistory(openSCR, USD, 5)

// set a block applied callback
client.Database.SetBlockAppliedCallback(func(blockID string, err error) {
    log.Println(blockID)
})

// cancel all callbacks
client.Database.CancelAllSubscriptions()