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21  Other / Obsolete (buying) / [30 BTC] Tuition: Teach me to compile Win32 bitcoin client. [CLOSED] on: May 27, 2011, 12:19:54 AM
After wading through countless web pages and forum posts I have come to the conclusion that I still suck at compiling, so I'd like to pay someone for personalised tuition via skype (or similar).

Successful applicant should:

1. Recommend and help me set up an IDE and compiler for Windows XP sp3
2. Help me build a working "hello world" application (GUI, not console).
3. Walk me through steps required to build the standard bitcoin client from source (0.3.22+)
4. Help me personalize the code and build a modified exe.

I imagine this will require at least 10+ hours to do properly, as I'm sure to have many questions.

I can work around your time zone, but want someone who is available for at least a few hours each day on Skype or similar for real-time chat, and possibly 'screen share'.

Applicant should have already successfully compiled win32 bitcoin themselves.

I've worked with many different languages in the past but for the purpose of the tutorial, you can assume I'm a newbie.

22  Bitcoin / Project Development / Recommend IDE for compiling Win32 client on: May 26, 2011, 01:40:31 PM
Could someone recommend a good IDE for building the bitcoin client for Windows?

It's been 8 years or more since I've played with C, but would like to try compiling my own copy of bitcoin.

Thanks Cheesy
23  Economy / Marketplace / Bitcoin Double - Betting game with faster payouts. on: May 24, 2011, 01:34:18 AM

Previously some people have mentioned to me that 'Bitcoin Toss' isn't suitable for people who want to play over-and-over again because you have to wait for the payout before you can deposit again, which ends up taking too long.

So instead of modifying that site, I just made a new one:

With this new site, instead of depositing for each play, you just deposit once, play as much as you want, and then withdraw.

Along with the idea of having a login-based doubler game, I thought it would be good to have a universal balance that could instantly be used at many sites; hence I came up with 'Bitcoin Balance' (which I'll start a different thread for).

So will handle all the login/registration/deposits/withdrawals for, plus more sites in future.

This will mean that you will be able to see use your balance instantly across all participating sites. (eg. If you win 10 BTC in Bitcoin Double, then not only will that be immediately available for withdrawal through, but it would also be immediately available for use on any other participating sites, without waiting going through the hassle of withdrawing and depositing and waiting for confirmations again).

Anyway enough typing for now Cheesy

p.s. Thanks again to my HTML/CSS guy for the work in cutting up my graphics, etc.

24  Bitcoin / Bitcoin Discussion / Police confuse Bitcoin power usage for pot farm on: May 23, 2011, 09:21:06 PM

Blogger Mike Esspe captured an IRC chat that supports the rumor floating around that at least one bitcoin miner has been arrested.

In regards to if being a miner will bring the cops to your doorstep, according to the Bitcoin Miner, the power consumption will be somewhat like the electric usage for "marijuana grow-op." An example was "The Canadian town of Mission, BC has a bylaw that allows the town's Public Safety Inspection Team to search people's homes for grow ops if they are using more than 93 kWh of electricity per day." There have allegedly been reports floating in IRC of two different cases of police showing up at a bitcoin miner's residence with a search warrant.

Will it become more common to confuse bitcoin miners with weed-growing operations? It is somewhat common for police to monitor unusually high power consumption if a person is a "suspect." For example, in a NetworkWorld report, Ohio police and the DEA file at least 60 subpoenas each month for energy-use records of people suspected of running an indoor pot growing operation. If a stakeout does not uncover anything illegal or point to a "grow house," then utility consumption records can be sought. DEA Agent Anthony Marotta said high electricity usage does not always mean the residence is an indoor pot farm and has surprised federal agents. "We thought it was a major grow operation ... but this guy had some kind of business involving computers. I don't know how many computer servers we found in his home."

It is unclear at this point if more bitcoin miners will have police show up with a warrant on their doorstep after more false positives, mistaking the power consumption to create virtual P2P currency as electricity usage needed to grow weed.

Can anyone confirm these crazy rumours? Smiley
25  Economy / Marketplace / [1 BTC] Bounty: Website test. 3 places available. [CLOSED] on: May 23, 2011, 07:38:23 PM

Just looking for a few people to do some brief testing of 2 new web sites.

It's not a huge job; Will give 1 BTC to 3 people.

Please PM me for details.

26  Bitcoin / Bitcoin Discussion / 0.3.20 is cheaper to run than 0.3.21 on: May 23, 2011, 12:00:49 AM
I'm sure this has been discussed elsewhere on the forum but I couldn't find it.

I've found that 0.3.21 forces me to pay a 0.01 transaction fee pretty much EVERY time.

But switching back to 0.3.20 still lets me do free transactions, so for now that's what I'll run whenever I need to send money.
27  Bitcoin / Development & Technical Discussion / Double-spend question - Legit coins vs duplicates on: May 22, 2011, 02:42:10 PM
Please imagine the following scenario:

I have a new wallet on device A which I receive 2 transactions:

12 BTC

So my balance is 20 BTC.

I then copy that wallet.dat to an installation on device B.

From device B, I spend exactly 8 BTC, leaving a balance of 12 BTC
(I assume this spend should come directly from the address that received 8 BTC so 'change' will not be an issue).

Let's say this 8 BTC spend gets old and has many confirmations.

Now, I go back to device A, which still shows a total balance of 20 BTC.

I then 'spend' the whole 20 BTC, dropping the balance to 0.00 in the client display.

This transaction should never be confirmed as 8 of it is a double spend, so my question is:

How to get the 12 legitimate coins back from this state of limbo and back into my balance?

28  Bitcoin / Bitcoin Technical Support / MyBitcoin Payment Timed Out - Is it lost or refundable? on: May 19, 2011, 11:58:18 PM

I was making a payment via, and I did actually make the payment (I can see it in my client as 0/unconfirmed) however somehow the broadcast didn't reach mybitcoin quick enough and it says:

PAYMENT TIMED OUT! We didn't receive a payment from you. Try again.

I tried refreshing the page but it just says the same thing, so my question is, how can I try again without spending double?!

29  Bitcoin / Bitcoin Technical Support / Invalid address? on: May 18, 2011, 07:37:27 PM

I just tried to withdraw from Mt Gox and got an error message telling me "Invalid Bitcoin Address" however the bitcoin address is valid and has been used:


In addition, I've also sent 3.29 to the above address which still hasn't been included in a block yet, however it's also not showing up at which, I thought all waiting transactions were supposed to be listed at.

My client's been open for several hours now, shouldn't it have rebroadcast it by now? (I've tried restarting with -rescan a couple of times).

30  Bitcoin / Bitcoin Discussion / Gavin Andresen and Amir Taaki, Bitcoin on: May 16, 2011, 08:18:26 AM

On witcoin: Smiley

Sorry Gavin if this joke's already been done.
31  Economy / Economics / Already thinking in BTC on: May 10, 2011, 03:17:36 AM
accidentally edited away my own post...

I had written that I'm already thinking of profit/loss in terms of BTC, rather than converting back to fiat amounts.

So for example, if I pay 100 BTC to have a website built when the rate is $4 / BTC, then some would see that as a $400 website.

Then if that website makes me 120 BTC when the rate has dropped to $2 / BTC, then some would see that as a 40% loss ($400 down to $240).

However I see it as a 20% profit because I'm largely ignoring the btc/fiat rates these days.
32  Bitcoin / Bitcoin Discussion / Massive time since last solved block... on: May 05, 2011, 09:21:41 PM
...has anyone else noticed or it just my client and/or my blockexplorer cache?

Seems to have been more than 2 hours since anyone in the whole universe solved a block, although the difficulty hasn't changed since yesterday.

33  Economy / Marketplace / [WTB] peace on earth on: May 03, 2011, 12:59:32 PM
nothing to see here
34  Economy / Marketplace / ... on: April 29, 2011, 03:33:11 PM
35  Economy / Marketplace / Flip For Bits... 50/50 betting game. on: April 27, 2011, 07:26:46 PM
So I decided to do a variation on the coin-toss theme...

It's basically a snapshot of me trying to learn jquery.

Thanks to the forum member who helped out with this one... I'll let your name be known if you wish.
36  Bitcoin / Bitcoin Technical Support / "New address..." extremely slow... > 30 seconds on: April 26, 2011, 04:52:59 AM

On one of my wallets (my desktop) when I click "New address..." the address appears almost instantly after I type a label.

However on the laptop wallet, it takes over 30 seconds, maybe a minute for the GUI to respond every time I add a new address.

What would be the likely reasons for this?

37  Economy / Marketplace / Bitcoin Toss - Flip a coin and win double your entry! on: April 25, 2011, 09:30:58 PM
My latest site... please check it out...

Once you make a payment, you can play almost immediately on 0/unconfirmed, then only if you win do you need to wait for the full confirmation before receiving your payout.

Refer and get 1% of your referral's bets.

p.s. I had this site in mind when I did up the 'carrot coin' a couple of days ago... it's the 'losing' side of a bitcoin.
38  Bitcoin / Project Development / JSON error, help please on: April 25, 2011, 04:31:55 PM

I've been trying to debug something for 2 hours now, so frustrating.

exception 'Exception' with message 'Unable to connect to http://myusername:mypassword@'

Any reason why it wouldn't be able to connect even though my username and password are correct?

It throws this error when I try to do
$bitcoin -> sendfrom(PROGRAM_NAME,$pay_out_address,0.01);

Also I've double-checked the logs and the 3 args I'm sending to this function are completely valid.

39  Economy / Economics / 1 BTC = 20 USD on: April 24, 2011, 11:20:29 AM
Since bitcoin reached $2 so quickly after the last poll, here's a new one.
40  Bitcoin / Development & Technical Discussion / Wallet surgery and address transplant on: April 24, 2011, 03:09:01 AM
Has anyone come up with a tool that would allow the transplanting of an address into a different wallet.dat?

Let's say I have an extremely bloated wallet.dat that's 300mb with thousands of addresses that are no longer needed, except one of them.

Obviously it'd be nice to start a fresh wallet but that one individual address that I need has been published and may receive income in the future.

How would you work around this at present (and ideas for the future)?
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