getSource

open fun getSource(): Long
Transaction source, see https://github.com/bnb-chain/BEPs/blob/master/BEP10.md
Some important values:
 0: Default source value (e.g. for Binance Chain Command Line, or SDKs)
 1: Binance DEX Web Wallet
 2: Trust Wallet
int64 source = 4;

Return

The source.