Blockchain.info runs full nodes. The only real way to get an estimate of fees at this point is to query an API.
On Apr 16, 2017 3:09 PM, "Nishil Shah" <[email protected]> wrote: > Is it due to this limitation than getFee() always returns 0? > > How can blockchain.info determine the transaction fees, while I'm not > able to using bitcoinj? > > On Saturday, April 15, 2017 at 4:39:12 AM UTC-5, Andreas Schildbach wrote: >> >> On 04/15/2017 05:57 AM, Nishil Shah wrote: >> > I'm able to get the transaction input address using getFromAddress(). >> > However, when I try to get a value associated with a transaction input, >> I >> > keep getting null. Anyone know why this is? Is there any other way to >> get >> > it? >> >> You only can get the input amount if it has a connected output. This is >> usually only the case for transactions you created yourself. >> >> This is a limitation of the Bitcoin transaction format. For redundancy >> reasons, inputs do not have an amount -- they always spend a whole >> output. >> >> >> -- > You received this message because you are subscribed to the Google Groups > "bitcoinj" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "bitcoinj" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
