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129 2017-04-29T15:36:55 <rugu> Hey, I can't seem to find the RPC call that lets me view the pending transactions. Once I broadcast a transaction, before it gets mined, what call will let me view all of them?
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132 2017-04-29T15:55:30 <aantonop> anyone familiar with BIP-134 (flexible transactions)?
133 2017-04-29T15:56:14 <goatpig> can't tell if serious o.o
134 2017-04-29T15:56:51 <aantonop> me? yes serious
135 2017-04-29T15:57:46 <aantonop> Trying to understand the SIGHASH_SINGLE quadratic hashing "issue" and also find out something about the proposed deployment of BIP-134
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137 2017-04-29T16:03:33 <goatpig> the BIP says HF so that much they going for
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139 2017-04-29T16:03:56 <aantonop> it can only be a HF deployment, right? I don't see anyway it could be otherwise...
140 2017-04-29T16:04:09 <aantonop> goatpig: thanks!
141 2017-04-29T16:05:41 <goatpig> well it's a bit ambigious
142 2017-04-29T16:06:04 <goatpig> the format is not backwards compatible since it overrides op_codes for its "tokens" system instead
143 2017-04-29T16:06:22 <goatpig> FT transactions have to signal 4 in their tx version though
144 2017-04-29T16:06:46 <aantonop> would a non-upraded client ignore v4 Tx?
145 2017-04-29T16:06:56 <goatpig> they are non standard afaik but not ignored
146 2017-04-29T16:07:04 <goatpig> but you could SF now to ignore v4
147 2017-04-29T16:07:32 <goatpig> and then SF FT maybe a year or 2 down the road when the majority of the network has moved to that previous SF
148 2017-04-29T16:07:39 <goatpig> which isn't an SF actually, just a client side upgrade
149 2017-04-29T16:07:56 <aantonop> ah, I see thanks
150 2017-04-29T16:08:17 <goatpig> basically it's a HF that does not deprecate the old tx format
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152 2017-04-29T16:08:37 <goatpig> which is... ok i guess?
153 2017-04-29T16:08:47 <goatpig> if you're going out of your way to preserve the legacy format, SF makes more sense
154 2017-04-29T16:09:01 <goatpig> as for the quadratic hashing, i see now mention of it in the bip
155 2017-04-29T16:09:08 <goatpig> there is a vague description of what gets hashed
156 2017-04-29T16:09:14 <goatpig> but the bip just refers to the implementation
157 2017-04-29T16:09:24 <goatpig> and i'd have to read the code to tell you what's going on on that front
158 2017-04-29T16:09:38 <aantonop> The quadratic hashing issue was brought up by Russel Oconnor on the mailing list today
159 2017-04-29T16:10:09 <aantonop> I read the BIP and found not much to understand. Tried to read some code to see what Russel was talking about
160 2017-04-29T16:10:18 <aantonop> Was not able to understand the issue
161 2017-04-29T16:10:44 <aantonop> Also, was wondering how the SIGHASH SINGLE is different in Core, such that it doesn't have this issue?
162 2017-04-29T16:11:05 <goatpig> it does afaik
163 2017-04-29T16:11:06 <aantonop> Meaning, is it a design/architecture issue, or simply an implementation issue i
164 2017-04-29T16:11:30 <goatpig> the quadratic hash usually hinges on the what gets hashed
165 2017-04-29T16:12:00 <goatpig> point being, if you have to compute a new hash per input/sig, you're gonna run into that issue
166 2017-04-29T16:12:58 <goatpig> if you look at their description in FT
167 2017-04-29T16:13:05 <goatpig> the input script gets hashed per sig hash
168 2017-04-29T16:13:13 <goatpig> in SW you get a midstate hash
169 2017-04-29T16:13:22 <goatpig> it doesn't sound like there is a midstate to reuse in FT
170 2017-04-29T16:13:29 <aantonop> yes, but it's purely an implementation decision - meaning that it doesn't matter how you do the hash, as long as it commits the right data and everyone does it the same. So why would Flex-trans have implemented it in a quadratic-order algo?
171 2017-04-29T16:13:33 <goatpig> you have to rehash the whole thing per tx im guessing?
172 2017-04-29T16:14:02 <aantonop> I see, so it's more like re-imlementing the legacy problem and not learning from Segwit's fix...
173 2017-04-29T16:14:20 <goatpig> SW goes out of its way to produce a mid state
174 2017-04-29T16:15:21 <goatpig> at first glance, looks like FT just uses the old approach to sighash
175 2017-04-29T16:15:27 <goatpig> create a binary blob per input
176 2017-04-29T16:15:29 <goatpig> hash and sign
177 2017-04-29T16:15:41 <aantonop> ok, I get it now
178 2017-04-29T16:15:45 <aantonop> Thank you for the help!
179 2017-04-29T16:15:51 <goatpig> don't quite me on this i have no read their code =D
180 2017-04-29T16:16:26 <goatpig> but the midstate part is a bit obvious once you implement SW support
181 2017-04-29T16:16:33 <goatpig> and im guessing from their wording they missed that part in FT
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194 2017-04-29T17:24:17 <arubi> I think it's because in case sighash single is used, this is done: https://github.com/bitcoinclassic/bitcoinclassic/blob/9c688c6d3866890f16a36aaea453e8bdd43c1266/src/script/interpreter.cpp#L1126 , then eventually : https://github.com/zander/bitcoinclassic/blob/9c688c6d3866890f16a36aaea453e8bdd43c1266/src/primitives/transaction.h#L276 , where for other hash type it seems to stay the same size (but not the same sizes)
195 2017-04-29T17:25:22 <arubi> flextrans is... bleh.. who knows what's going on in there
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197 2017-04-29T17:27:16 <arubi> it really seems like there's 0 innovation in there, except for wanting us all to use some shitty xml copycat
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228 2017-04-29T19:37:22 <jonasschnelli> goatpig: https://bitcoin.stackexchange.com/questions/53047/cant-remove-unconfirmed-transaction
229 2017-04-29T19:37:26 <jonasschnelli> (for you) :)
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231 2017-04-29T19:39:59 <goatpig> hah tanks
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250 2017-04-29T21:06:20 <cncr04s> there seems to be a bug with sendmany, in some cases, it will not send change to a change address, instead it opts to include it with the transaction fee
251 2017-04-29T21:06:53 <cncr04s> 0.039708 in my case
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255 2017-04-29T21:30:22 <goatpig> maybe it considers the change left over is too small on its own to be spendable
256 2017-04-29T21:30:26 <goatpig> and burns it as fee instead
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279 2017-04-29T23:48:59 <cncr04s> it decided to burn 0.039708 btc?
280 2017-04-29T23:56:27 <cncr04s> I don't know what to do but build transactions myself, seems odd that bitcoind can't reliably do this on its own.