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Alternate cryptocurrencies / Altcoin Discussion / [BOUNTY $50] Give instructions to set txNew.vout[0].scriptPubKey

on: March 01, 2014, 12:51:07 AM

Hi, We are experimenting on an an altcoin....and we want to replace the magical key in this line: txNew.vout[0].scriptPubKey = CScript() << ParseHex("040184710fa689ad5023690c80f3a49c8f13f8d45b8c857fbcbc8bc4a8e4d3eb4b10f4d4604fa08 dce601aaf0f470216fe1b51850b4acf21b179c45070ac7b03a9") << OP_CHECKSIG; We'd like someone to give us a very simple script to run in linux that will generate a new such string for our altcoin along with a couple of sentences explaining what that string represents. The script should allow us to specify the public key prefix of our altcoin (ie, L for Litecoin, X for Xcoin, etc ). Payment in BTC or Paypal. Thanks!

Alternate cryptocurrencies / Altcoin Discussion / [BOUNTY 0.1 BTC] Need script for building QT wallets

on: February 10, 2014, 11:47:08 PM

Hi, We have created a new cryptocurrency. The command-line version of our wallet works, and now we need a developer to automate the building of the qt wallets for the Windows, Mac and Linux platforms. We are NOT looking for someone to just compile the wallets once on their machine, but to give us a script/procedure that we can run on our side every time we update the atlcoin's codebase, and this procedure would include automatically installing the required dependencies. We could pay 0.1 BTC per platform (Windows, Mac and Linux). Please pm me with a proposal if you can do this for us. A little background on us: We have developed an alpha version of a new cryptocurrency . I can't say too much in this forum, but it will offer new, high-impact features at a technological and social level. Beyond this immediate task, we are looking for a dev who can help us with some of the day-to-day changes that are coming up. We have one developer already, but his is focused on the longer-term features, and we need help adding other changes. It would be great to find someone who could quickly become the lead developer on the coin. The lead developer would also receive significant compensation. For details, please pm me. Thanks!

Alternate cryptocurrencies / Altcoin Discussion / looking for developer to contribute to a new crytpocurrency

on: February 09, 2014, 10:48:02 PM

Hi, We are working on a new cryptocurrency . I can't say too much in this forum, but it offers something new technologically and socially. We are looking for a dev who can help us with some of the day-to-day changes that are coming up. We have one developer already, but his is focused on the longer-term features, and we need help getting some simple tasks done...like getting the Qt wallets to compile on mac and windows, merging in different contributions, etc.. Ideally, we're looking for some who is: - familiar with the Litecoin codebase - familiar with tor cofiguration and use - familar with the tor code base (or can learn it on his own) - experienced with git We are able to offer compensation, and will make sure your contribution is rewarding in more ways than one. For details, please pm me. Thanks, Petronius

Alternate cryptocurrencies / Mining (Altcoins) / Rejected blocks when only one miner on the network

on: January 29, 2014, 09:15:53 PM

I cloned bitcoin to mess around with the code a bit and test out some mining configurations on a fake coin with a low difficulty. Everything is working smoothly but when I mine with cgminer (3.7.2) I am getting a lot of rejected blocks (about 30%). There is only one machine mining on the network. What would cause the blocks to be rejected if there is no competition on the network? Is this normal?

Alternate cryptocurrencies / Marketplace (Altcoins) / [Bounty $50] Help me modify code thats generates genesis block and nonce

on: December 26, 2013, 11:27:21 PM

I have created an altcoin, based on litecoin 0.8 code.

NOTE: This post is similar to something posted by another user, but this is a new post, as I am having a similar problem generating a usable genesis block.

I've already modified the code and it compiles successfully and runs. However, I am getting fatal run-time errors.

Much of the seemingly relevant advice available on this site for generating a genesis block seems to be based on an obsolete branch of litecoin, so it may not be applicable.

In any case, these are the errors I'm getting in debug.log:

Code:

2013-12-26 19:08:39 CBlock(hash=132d04036cafebec545ba2cf4bf4a315a34c4ab45003f9b4586111eefaf33c16, input=01000000000000000000000000000000000000000000000000000000000000000000000020d4a427a866d0162dbe6b9d7459bdd67ec9631f8e322dcf5755ea310878bda48d7fbb52f0ff0f1e00000000, PoW=e8b3313f59ac0c1b6645838c72df2bf45930fcbe91218d0993dd5f26d4bb0112, ver=1, hashPrevBlock=0000000000000000000000000000000000000000000000000000000000000000, hashMerkleRoot=a4bd780831ea5557cf2d328e1f63c97ed6bd59749d6bbe2d16d066a827a4d420, nTime=1388019597, nBits=1e0ffff0, nNonce=0, vtx=1)
2013-12-26 19:08:39   CTransaction(hash=a4bd780831ea5557cf2d328e1f63c97ed6bd59749d6bbe2d16d066a827a4d420, ver=1, vin.size=1, vout.size=1, nLockTime=0)
    CTxIn(COutPoint(0000000000000000000000000000000000000000000000000000000000000000, 4294967295), coinbase 04ffff001d01044c5d4e592054696d65732032342f4465632f3230313320416c616e20547572696e672c20456e69676d6120436f64652d427265616b657220616e6420436f6d70757465722050696f6e6565722c2057696e7320526f79616c20506172646f6e)
    CTxOut(nValue=50.00000000, scriptPubKey=040184710fa689ad5023690c80f3a4)
  vMerkleTree: a4bd780831ea5557cf2d328e1f63c97ed6bd59749d6bbe2d16d066a827a4d420
2013-12-26 19:08:39 Pre-allocating up to position 0x1000000 in blk00000.dat
2013-12-26 19:08:40 ERROR: CheckProofOfWork() : hash doesn't match nBits
2013-12-26 19:08:40 ERROR: CBlock::ReadFromDisk() : errors in block header
2013-12-26 19:08:40 *** Failed to read block
2013-12-26 19:08:40 Error: Failed to read block
2013-12-26 19:08:40 ERROR: LoadBlockIndex() : genesis block not accepted
2013-12-26 19:08:40 : Error initializing block database.

And I get the following output from the client:

Code:

Error: Failed to read block
: Error initializing block database.

Do you want to rebuild the block database now?

To collect the bounty I need you to:

1.) Get the client to successfully create a genesis block and then run without giving errors.
3.) Send me back the required code changes, so I can learn from my mistakes and see what I should have done.

Send me a private message if you accept this new challenge.

I'll provide you with a zip file with the full code in it.

I'll pay in BTC (or PayPal USD if you want)

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