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Author Topic: Elacoin dev continues to be incompetent, for the second time... Read on...  (Read 2531 times)
Hazard
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May 14, 2013, 08:47:40 AM
 #21

I love that dog.

Anyway, I encourage you all to compile a coin using that insanely high value and see what happens every time you hit a difficulty retarget.

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jomay
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May 14, 2013, 08:52:48 AM
 #22

I love that dog.

Anyway, I encourage you all to compile a coin using that insanely high value and see what happens every time you hit a difficulty retarget.

I imagine a value bnProofOfWorkLimit == 0 is not good.

But it will be == 0. It's actually pretty amusing to read the code for >> :

Code:
00416     CBigNum& operator>>=(unsigned int shift)
00417     {
00418         // Note: BN_rshift segfaults on 64-bit if 2^shift is greater than the number
00419         //   if built on ubuntu 9.04 or 9.10, probably depends on version of OpenSSL
00420         CBigNum a = 1;
00421         a <<= shift;
00422         if (BN_cmp(&a, this) > 0)
00423         {
00424             *this = 0;
00425             return *this;
00426         }
00427
00428         if (!BN_rshift(this, this, shift))
00429             throw bignum_error("CBigNum:operator>>= : BN_rshift failed");
00430         return *this;
00431     }

BTC 1NoV8NFSB7eiuK2aABFtBTdUdXhbEdG7Ss
LTC LaFyWSfzKY7CKwwmbxhyf8S2iJvfT7JFtL YAC YKKwR5B64Z9ww971J42vEGVPaema623Tz6
WindMaster
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May 14, 2013, 08:59:01 AM
 #23

I imagine a value bnProofOfWorkLimit == 0 is not good.

But it will be == 0. It's actually pretty amusing to read the code for >> :

Code:
00416     CBigNum& operator>>=(unsigned int shift)
00417     {
00418         // Note: BN_rshift segfaults on 64-bit if 2^shift is greater than the number
00419         //   if built on ubuntu 9.04 or 9.10, probably depends on version of OpenSSL
00420         CBigNum a = 1;
00421         a <<= shift;
00422         if (BN_cmp(&a, this) > 0)
00423         {
00424             *this = 0;
00425             return *this;
00426         }
00427
00428         if (!BN_rshift(this, this, shift))
00429             throw bignum_error("CBigNum:operator>>= : BN_rshift failed");
00430         return *this;
00431     }

Core dumped and traced from one of the many elacoind segfaults I'm seeing.  It does indeed segfault in the overloaded >> operator for CBigNum, on Debian 6.0 (so not just old versions of Ubuntu).
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May 14, 2013, 10:09:06 AM
 #24

I wonder to see such target in action  Cheesy QuantumApocalypse going on Cheesy

novaco.in | EtherMine.ru (65 GH/s, DGM 0.5%) | EtherDig.Net (18GH/s, PPS 1.5%)
฿: 1QJ8RFiRKsJKmY8ZAjxfCUeBZXmjthK4Pk: 4RgnHWtnJWEyMhqhDdazW3Hdr7cx5ybF6i ETH: 0x5B475Febb3018f41d0Ac3C2f1A864bd102ab5a2E
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May 14, 2013, 10:31:54 AM
 #25

We're still waiting for Milkshake's BFL SC photo first.

Link : https://bitcointalk.org/index.php?topic=203881.msg2131011#msg2131011




Nice!, when have you received it?

Today. Nice surprise, didn't even pay for it!

You probably do realize this account is the troll account from another account here. I think it was created in honor of smoothie.
That is correct, but I do have a 30GH/s ASIC from BFL mining, and I received it as a freebie.

No kill-a-watt (they measure power consumption right?), I'll post pics later for the blog post when I've written it up and measured long term performance / stability.

I don't mind the power consumption, BFL is covering electricity bills too.

BTC : 1GN81dxzxyFPQsyAtdocXr5S9Mcg4wcfFG
LTC : LgmYvXsYXc4xdjsMKXJWqtagxVvioK6iaw
FC : 6dpSnKMtttUUYzaRu1EB7Lu18PBRVHU3V7
AlternativeCypt
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May 14, 2013, 10:34:48 AM
 #26

We're still waiting for Milkshake's BFL SC photo first.

http://i.imgur.com/lLS8vVN.png


Nice!, when have you received it?

Today. Nice surprise, didn't even pay for it!

You probably do realize this account is the troll account from another account here. I think it was created in honor of smoothie.
That is correct, but I do have a 30GH/s ASIC from BFL mining, and I received it as a freebie.

No kill-a-watt (they measure power consumption right?), I'll post pics later for the blog post when I've written it up and measured long term performance / stability.

I don't mind the power consumption, BFL is covering electricity bills too.

LMFAO

Fifteen wishes weren't exceptionally productive. She touched herself vigorously with tremendous pillows; creaming out butter flavored LiteCoins.
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May 14, 2013, 10:43:56 AM
 #27

Yes, and by right-shifting by 1000000 bits, he's setting the value of bnProofOfWorkLimit to 0.

Correct.

Anybody using >> 10000 just doesn't know what he's doing.

Also you can see from getinfo that this coin started at 0 difficulty.


Have too agree with ya their, that piece of code makes me cringe and I would not run ANYTHING that came from that programmers hand.

FRC:  18mAGEto3xZzfKNJPwsDVA5c2Fk5Za3nbs  http://www.freicoin.org  IRC:  Freenode #freicoin
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