You can have some transaction confidence information using bitcoinj but nothing even close to blockcypher's tx confidence.
Blockcypher confidence is based on a number of factors (eg. they have several full nodes and see whether the tx is broadcasted to all of them and they have a bigger chance of being informed of double spends. Also, if the parent tx is unconfirmed, they know the tx fee of it and use that to calculate the confidence) On bitcoinj on top of TransactionConfidenceEventListener and TransactionConfidence you have DefaultRiskAnalysis. Here is an (old) article by Mike Hearn that might help too https://medium.com/@octskyward/double-spending-in-bitcoin-be0f1d1e8008 On Tue, Feb 12, 2019 at 2:52 AM Stephen Davis <sad09...@gmail.com> wrote: > > Say for example that I want to be able validate that an incoming unconfirmed > transaction will most likely confirm by checking for a few things such as > whether or not the received transaction has a fee included and etc...Is there > any current way to do that with an unconfirmed transaction. I know there is > a such thing as a transaction confidence listener however it doesn't have the > functionality I am looking for. Something like that is used on > blockcypher..example > > https://live.blockcypher.com/btc/tx/a572e54789d492bb6c293b41047ee4ca1c7c939722ab56cb69854972a2ea6191/ > > Transaction confidence shows 57% which is good. I like this because it tells > me what's likely to be confirmed and what isn't. Is there any kind of > functionality for this with bitcoinj? > > -- > 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 bitcoinj+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. -- Oscar Guindzberg -- 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 bitcoinj+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
