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Author Topic: Blockchain.info - Bitcoin Block explorer & Currency Statistics  (Read 414216 times)
byronbb
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January 04, 2012, 06:32:56 AM
 #261

If you could add the current USD price of BTC at the time of each block that would be useful.

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January 04, 2012, 12:41:50 PM
 #262

Hi,

I just browsed through the massive amount of charts at http://blockchain.info/charts . Really great Smiley

May I suggest one more? "Bitcoin Miners operating margin" sounds interesting but as electricity costs are a very wide range I'd like to see a graph:
"$$ mined per day with a 1Gh rig"
As you know many people switched off their mining. Today less than 70% of the machines that mined before are running today. The graph I suggested helps them decide when to switch back on as they know their costs.

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January 04, 2012, 01:51:55 PM
 #263

Any chance for a API call to get the latest blockcount ... and a list of unconfirmed transactions ? Smiley
-Or maybe a hint to how you managed to get the unconfirmed transactions from bitcoind ?

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January 04, 2012, 07:38:23 PM
 #264

Cheesy please tell me you mean an actual usable app with the same features as the site?

Yes a native app with most of the features from the site. However it will still be partially web based and the wallet will be stored on a remote server, not the phone itself (You can still use no private key mode if this concerns you).

Payment notifications now up

http://blockchain.info/wallet/payment-notifications

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Hi,

I just browsed through the massive amount of charts at http://blockchain.info/charts . Really great Smiley

May I suggest one more? "Bitcoin Miners operating margin" sounds interesting but as electricity costs are a very wide range I'd like to see a graph:
"$$ mined per day with a 1Gh rig"
As you know many people switched off their mining. Today less than 70% of the machines that mined before are running today. The graph I suggested helps them decide when to switch back on as they know their costs.

If you can give me a formula then I can add it. (network hash rate / (n blocks mined * market price))?

Variables available are:

Quote
   
        private long timestamp;
   private long totalBTCSent;
   private long actualBTCSent;
   private long totalBTCFees;
   private long nTx;
   private int nBlocksTotal;
   private int nBlocksMined;
   private long nBTCMined;
   private double difficulty;
   private long avgHashesToSolveBlock;
   private double daysDestroyed;
   private double daysDestroyedMinWeekOld;
   private double daysDestroyedMinMonthOld;
   private double daysDestroyedMinYearOld;

   //Market Data
   private double marketPriceUSD;
   private double totalTradeVolumeUSD;
   private double totalTradeVolumeBTC;

Any chance for a API call to get the latest blockcount ... and a list of unconfirmed transactions ? Smiley

Can do, will add it ASAP.

If you could add the current USD price of BTC at the time of each block that would be useful.

Can you not just look up the market price on the day the block was mined? What the exact price be needed for?

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January 04, 2012, 07:50:50 PM
 #265

Resumed development again today, started alerts & iPhone app

Needs a support service, like UserVoice or something.   Maybe OSQA (Python, open source)?

So that this thread doesn't get the minutia, such as this:
  http://www.blockchain.info.  (trailing dot messes things)

You can use https://github.com/zootreeves/blockchain.info/issues if you like. UserVoice does look good though.

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January 04, 2012, 08:34:41 PM
 #266

Great Cheesy
I still hope that you find a better way to get income ( even more than now ) without the fee Wink

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January 04, 2012, 09:02:12 PM
 #267

Great Cheesy
I still hope that you find a better way to get income ( even more than now ) without the fee Wink
Charge for mobile app, no fee for txn sent from app? Is that possible and profitable?

Losing hundreds of Bitcoins with the best scammers in the business - BFL, Avalon, KNC, HashFast.
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January 04, 2012, 11:11:09 PM
 #268

"$$ mined per day with a 1Gh rig"

If you can give me a formula then I can add it. (network hash rate / (n blocks mined * market price))?

marketPriceUSD*1Gh/s*24h/avgHashesToSolveBlock*(nBTCMined+totalBTCFees)  Grin

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January 04, 2012, 11:18:40 PM
 #269


If you can give me a formula then I can add it. (network hash rate / (n blocks mined * market price))?


I don't know if it is of any use, but some time ago i was interested in the number of transactions, normalized by the time it took to create the respective block. e.g. (nTx) / (timestamp - timestamp.previous)
my rationale is, that there are more transactions in a block when it takes longer to create it. same could be done for normalizing totalBTCFees per block, too!
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January 04, 2012, 11:47:16 PM
 #270

my rationale is, that there are more transactions in a block when it takes longer to create it.

Nope.Transaction count should have no effect on the mining speed. Else miners would make most profit with empty blocks.

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January 05, 2012, 10:51:02 PM
 #271

I still hope that you find a better way to get income ( even more than now ) without the fee Wink

I'll look at altering the fees in time, at the moment i'd rather improve the interface and finish the iPhone app.

Added 3 new API Methods

https://blockchain.info/api

Quote
/latestblock - Get info on latest block

/unconfirmed-transactions?format=json - Get unconfirmed transactions

/inv/$hash_160?format=json - Get network propagation data

Smart transaction relaying

Transaction made through My Wallet will now be directly relayed to all mining nodes and nodes part using https://en.bitcoin.it/wiki/Free_transaction_relay_policy. I've had a number of users complain that their transactions are not getting confirmed if they don't set the correct miners fee - This problem should be mostly fixed now.

You can now also view relay data from within My Wallet - If no mining nodes are accepting the transaction then contact me and I will prune the transactions early.



MORA: I noticed you are running a notifications service, I'd rather you didn't use blockchain.info's api for this as you will need to poll very frequently.

Here's my suggestion for the easiest way to get unconfirmed transactions out of bitcoind

At the end of the AcceptToMemoryPool() function in main.ccp use WalletTxToJSON() in bitcoinrpc.cpp to make a json string and the HTTPPost method in to post it to your callback url which you can process.

If your really stuck I can probably make a quick patch.


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January 06, 2012, 10:10:58 AM
 #272

MORA: I noticed you are running a notifications service, I'd rather you didn't use blockchain.info's api for this as you will need to poll very frequently.
I currently poll every 5 minutes from blockexplorer, to get the latest block, and compare with the local, ie. if my local is off by 5 or more in any direction, then something is a mess, and I get an email, that was why I requested the latestblock api to have 2 sources to match up against.

Here's my suggestion for the easiest way to get unconfirmed transactions out of bitcoind

At the end of the AcceptToMemoryPool() function in main.ccp use WalletTxToJSON() in bitcoinrpc.cpp to make a json string and the HTTPPost method in to post it to your callback url which you can process.

If your really stuck I can probably make a quick patch.
Hope I am not derailing your thread too much, if so let me know and I can create a separate one.

I have had a short go at it, but C is not really my thing, just getting a toString printed of the TX didnt work out.
A patch that makes a http post call, or writes to a file, with the received tx information would really be neat, in fact I will even bounty a open license patch with a few BTC, if anyone is interested (Once I get verified somewhere to buy coins with CC/wire).

Stephen Gornick
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January 06, 2012, 10:41:24 AM
 #273

I've added a "Found by" column to the homepage which shows the ip the block was first relayed by (similar to pident). This won't be 100% accurate due to network latency, my client crashing etc.

The list of known ip's I have are as follows:
[...]


P2Pool is now about 60 GHash/s.   How will those appear in the chart?

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January 06, 2012, 11:47:32 AM
 #274

P2Pool is now about 60 GHash/s.   How will those appear in the chart?

P2Pool nodes should already be recognised. (I scrape a list of ip's by joining the network).

http://blockchain.info/pools

Quote from: DeepBit

All op codes should now be supported

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January 08, 2012, 08:06:30 PM
 #275

Transaction fees have been lowered.

0.01 BTC flat rate per transaction. If the transaction is low priority a would require a miners fee blockchain.info's fee becomes the miners fee and the transaction is essentially free.

It is too difficult explaining to new users why they need both a miners fee and our fee or why their transaction is taking ages to confirm.

Also address pages now include a QR Code.


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January 08, 2012, 09:50:33 PM
 #276

piuk do you ever sleep? Great new features keep coming, I like it.  How about a donation address (I didn't see one on here or the site) and I'll send you a small incentive to rush that iPhone app.  Wink

Losing hundreds of Bitcoins with the best scammers in the business - BFL, Avalon, KNC, HashFast.
piuk
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January 09, 2012, 11:19:46 AM
 #277

piuk do you ever sleep? Great new features keep coming, I like it.  How about a donation address (I didn't see one on here or the site) and I'll send you a small incentive to rush that iPhone app.  Wink

Occasionally Smiley There was a donation address on the site but when I instituted the fees I removed it 1AJbsFZ64EpEfS5UAjAfcUG8pH8Jn3rn1F.

I was hoping to get the app in store before the Good Wife episode airs on the 15th but it will probably be a few days after that. Regardless any donations would be much appreciated.

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January 09, 2012, 04:22:23 PM
 #278

Can you make clickable flags here ?
http://blockchain.info/new-transactions

So if I'll click one flag it will show a popup with transaction information / or it will send me to the transaction's page.

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January 09, 2012, 05:26:33 PM
 #279

Thank piuk, on it's way.  Something to consider for web/app when accepting payments or purchasing something in person, it would be nice to see the current spot and 24hr avg price on the screen instead of having to switch apps or webpages.

Losing hundreds of Bitcoins with the best scammers in the business - BFL, Avalon, KNC, HashFast.
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January 09, 2012, 09:43:51 PM
 #280

or it will send me to the transaction's page.

Done.

Thank piuk, on it's way.  Something to consider for web/app when accepting payments or purchasing something in person, it would be nice to see the current spot and 24hr avg price on the screen instead of having to switch apps or webpages.

Thanks gnar. I'll put it back into advertising when the app is released. adding the current spot price should be fairly straight forward.

Feedback wanted: Are people happy(ier) with the new fees and are alerts working for people (Specifically google talk)?

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