Den måndag 17 oktober 2016 kl. 12:47:12 UTC+2 skrev Wei Hsu: > > True, sending one by one will cost more in fees. More importantly for me, > it will take a lot more time to send them one by one. > > Limiting the number of outputs might still result in a transaction that > exceeds the maximum size, since we don't know how many inputs the > transaction needs. That makes it difficult to partition the recipient > addresses ahead of time. For my application, it would be helpful to create > all the transactions first and then broadcast them in a separate step - > wondering if that's possible to do with BitcoinJ in this case. > > Yes, you can control inputs with not too much work. You could use Wallet.calculateAllSpendCandidates and analyze your spendable outputs, decide on a set and add up an amount that's max for your tx, then write your CoinSelector to select exatly those as inputs you added up to the amount with.
> On Mon, Oct 17, 2016 at 3:26 AM Jarl Fransson <jarl.f...@strawpay.com > <javascript:>> wrote: > >> I think it is bad to send them one by one. Also, in total that will >> require more resources and cost more in fees. You should probably find a >> reasonable limit for the number of outputs and create a few larger >> transactions if your number of addresses exceed that limit. >> >> Den fredag 14 oktober 2016 kl. 22:52:44 UTC+2 skrev Wei Hsu: >>> >>> Given a large number of output addresses, what's the best way to send a >>> payment to each one? Assuming the wallet balance is sufficient. >>> >>> If I send the payments one by one in quick succession, I might get >>> an InsufficientMoneyException if some of the funds are tied up in change. >>> >>> I've also tried combining it all into one transaction, but that could >>> result in a transaction that exceeds the maximum transaction size if a lot >>> of inputs are required, or a lot of output addresses are specified. >>> >>> I'd appreciate any ideas on how to approach this- thanks in advance! >>> >> -- >> You received this message because you are subscribed to a topic in the >> Google Groups "bitcoinj" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/bitcoinj/e_hiH9Dqhs0/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> bitcoinj+u...@googlegroups.com <javascript:>. >> 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 bitcoinj+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.