[ANN][CLAM] CLAMs, Proof-Of-Chain, Proof-Of-Working-Stake, a.k.a. "Clamcoin"

[clf99]

true.  lending is very manual as rates move around

[1715252875]

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[1715252875]

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[1715252875]

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[dooglus]

atm staking annual interest rate is 53% (which is basically what you get on JD - turns out the gambling losses don't add up to much i guess)

lending money to shorters on polo has an annual interest rate of 300% (.2999%/day) 

Lending does seem to pay better than staking at the moment. Advertising that fact here will change that quickly as more people enter the lending market pushing interest rates down as they undercut each other. A week ago the interest rate was 0.8%, and now it's 0.3% already after curious' big dumps transferred CLAMs to people willing to lend them out.

Is the CLAM digging over? I see that the price has stabilized above 0.002 and it looks that CLAM is consolidating its position for the next uptrend.

Here's a chart of digging over time. It has been very flat since curious stopped digging.

It's not "over", in that it is still allowed. But it does appear to be "over" for now, in that nobody seems to be digging much right now.

[Northstar]

atm staking annual interest rate is 53% (which is basically what you get on JD - turns out the gambling losses don't add up to much i guess)

lending money to shorters on polo has an annual interest rate of 300% (.2999%/day) 

Lending does seem to pay better than staking at the moment. Advertising that fact here will change that quickly as more people enter the lending market pushing interest rates down as they undercut each other. A week ago the interest rate was 0.8%, and now it's 0.3% already after curious' big dumps transferred CLAMs to people willing to lend them out.

Is the CLAM digging over? I see that the price has stabilized above 0.002 and it looks that CLAM is consolidating its position for the next uptrend.

Here's a chart of digging over time. It has been very flat since curious stopped digging.

It's not "over", in that it is still allowed. But it does appear to be "over" for now, in that nobody seems to be digging much right now.

https://i.imgur.com/xL4dgIr.png

Doog, how do you generate the digging charts? Is there a script or other tool available so everyone can keep track?

[GordoZ]

http://postimg.org/image/kezmrq2nr/

[dooglus]

Doog, how do you generate the digging charts? Is there a script or other tool available so everyone can keep track?

I use a cobbled-together shell script, and gnuplot.

The shell script ('cc' is an alias for 'clamd'):

Code:

b=$(cc getblockcount)
b1=$(($(head -1 ~/Documents/clam/getblock.2.dat | awk '{print $1}')+1))

echo "dumping blocks $b1 to $b" 1>&2

while ((b >= b1))
do
    echo $(cc getblock $(cc getblockhash $b) | grep -e height -e supply -e time -e difficulty | awk '{print $3}' | tr -d ,)
    ((b -= 1))
    if ((b % 100 == 0))
    then
        echo $b 1>&2
    fi
done

and the gnuplot script:

Code:

#!/usr/bin/gnuplot

set terminal qt size 1350,710
set rmargin 5
set grid
set timefmt "%s"
set xdata time
set xtics format "%b %d"
set key bottom right

plot sin(x) # resize window with junk plot

plot [470707200+604800*0-86400*30*7.15:*] \
  "~/Documents/clam/getblock.2.dat" using 6:($3/1e0) title "digsupply" with lines lw 3, \
  "~/Documents/clam/getblock.2.dat" using 6:($4/1e0) title "stakesupply" with lines lw 3 \
  ; pause -1

plot [470707200+86400*250:*] \
  "~/Documents/clam/getblock.2.dat" using 6:($3/1e0) title "digsupply" with lines lw 3, \
  ; pause -1

[Northstar]

Doog, how do you generate the digging charts? Is there a script or other tool available so everyone can keep track?

I use a cobbled-together shell script, and gnuplot.

The shell script ('cc' is an alias for 'clamd'):

Code:

b=$(cc getblockcount)
b1=$(($(head -1 ~/Documents/clam/getblock.2.dat | awk '{print $1}')+1))

echo "dumping blocks $b1 to $b" 1>&2

while ((b >= b1))
do
    echo $(cc getblock $(cc getblockhash $b) | grep -e height -e supply -e time -e difficulty | awk '{print $3}' | tr -d ,)
    ((b -= 1))
    if ((b % 100 == 0))
    then
        echo $b 1>&2
    fi
done

and the gnuplot script:

Code:

#!/usr/bin/gnuplot

set terminal qt size 1350,710
set rmargin 5
set grid
set timefmt "%s"
set xdata time
set xtics format "%b %d"
set key bottom right

plot sin(x) # resize window with junk plot

plot [470707200+604800*0-86400*30*7.15:*] \
  "~/Documents/clam/getblock.2.dat" using 6:($3/1e0) title "digsupply" with lines lw 3, \
  "~/Documents/clam/getblock.2.dat" using 6:($4/1e0) title "stakesupply" with lines lw 3 \
  ; pause -1

plot [470707200+86400*250:*] \
  "~/Documents/clam/getblock.2.dat" using 6:($3/1e0) title "digsupply" with lines lw 3, \
  ; pause -1

Thanks Doog, trying to make sense of the code without past experience. Where is it obtaining the data from, through API? This is run in Linux I presume, any way to emulate this in windows? I'm a coding no0b

Edit: I guess all the staking info is found in that getblock.2.dat file? How does that work?

[SuperClam]

   Any chance you can add the Clamour info to the OP, and/or website.   

Of course!

Waiting for the compiled version of the new client with all of the new bells and whistles.

[dooglus]

Thanks Doog, trying to make sense of the code without past experience. Where is it obtaining the data from, through API? This is run in Linux I presume, any way to emulate this in windows? I'm a coding no0b

The data is being fetched here:

Code:

cc getblock $(cc getblockhash $b

cc is clamd. It's using 'clamd getblockhash' to get the hash of each block, and 'clamd getblock' to get data about each block.

Both of those commands are talking to a fully-synced local instance of the CLAM client.

When I used to run Windows I mostly used "cygwin" (I think it was called) when I wanted to run bash scripts (which is what that first script above is). There was "MinGW" or something too, which I think did something similar. It's been a long time though, so I don't know what people use these days.

https://www.cygwin.com/ -- "Get that Linux feeling - on Windows"
http://www.mingw.org/ -- "Minimalist GNU for Windows"

[alterdicecom]

Hello,

Clam has been added to https://alterdice.com for betting and recently to our new exchange. Bringing us to 12 supported currencies.

Clam will also be featured in our latest project coming in the next few weeks, along with a few other strong proof of stake blockchains. Check us out and let us know what you think, any feedback is welcomed.

https://bitcointalk.org/index.php?topic=1280448.msg13181620#msg13181620

John,
support@alterdice.com

[dooglus]

Clam has been added to https://alterdice.com for betting and recently to our new exchange. Bringing us to 12 supported currencies.

That's great. I just tried the site out and was able to turn 400 satoshis into over 6 BTC exploiting a bug that a lot of new dice sites have.

Here's the relevant line from your provably fair verification code:

Code:

hashed_result   = hashlib.sha512(str(seed_server) + str(seed_client) + str(roll_number)).hexdigest()

Stringing the client seed together with the roll number like that lets me make the same rolls twice: "x1"+"2" == "x" + "12"...

(I reported this to the owner privately and he already shut the betting down to implement a fix, so don't bother trying to exploit it).

[edmundduke]

Clam has been added to https://alterdice.com for betting and recently to our new exchange. Bringing us to 12 supported currencies.

That's great. I just tried the site out and was able to turn 400 satoshis into over 6 BTC exploiting a bug that a lot of new dice sites have.

Here's the relevant line from your provably fair verification code:

Code:

hashed_result   = hashlib.sha512(str(seed_server) + str(seed_client) + str(roll_number)).hexdigest()

Stringing the client seed together with the roll number like that lets me make the same rolls twice: "x1"+"2" == "x" + "12"...

(I reported this to the owner privately and he already shut the betting down to implement a fix, so don't bother trying to exploit it).

I was just about to see what the new site is about when i got an error "Can't establish a connection to the server" and looks like the answer why it happened is right here.
That was a really fast find, well done doog. You most likely saved the owner a lot of headache.

[dooglus]

That was a really fast find, well done doog. You most likely saved the owner a lot of headache.

Yeah, I expect the bug bounty will be massive!

Also:

For every user you refer you will receive a 15% of the 1% house edge that they wager.
Also you will receive 15% of all trade fee's we collect from the same users.
Say you referral Bob, and Bob does 10 rolls of 1BTC each. No matter win or lose you will receive 0.00015 BTC per roll, coming to a 0.0015 BTC overall just for referring Bob to play here!

15% of 1% of 1 BTC per roll is 0.0015 BTC per roll, coming to 0.015 BTC over all.

The example is off by a factor of 10.

[Bitcoiner2015]

Clam has been added to https://alterdice.com for betting and recently to our new exchange. Bringing us to 12 supported currencies.

That's great. I just tried the site out and was able to turn 400 satoshis into over 6 BTC exploiting a bug that a lot of new dice sites have.

Here's the relevant line from your provably fair verification code:

Code:

hashed_result   = hashlib.sha512(str(seed_server) + str(seed_client) + str(roll_number)).hexdigest()

Stringing the client seed together with the roll number like that lets me make the same rolls twice: "x1"+"2" == "x" + "12"...

(I reported this to the owner privately and he already shut the betting down to implement a fix, so don't bother trying to exploit it).

$2400, not a bad days work dooglus!

[Kefkius]

Clam has been added to https://alterdice.com for betting and recently to our new exchange. Bringing us to 12 supported currencies.

That's great. I just tried the site out and was able to turn 400 satoshis into over 6 BTC exploiting a bug that a lot of new dice sites have.

Here's the relevant line from your provably fair verification code:

Code:

hashed_result   = hashlib.sha512(str(seed_server) + str(seed_client) + str(roll_number)).hexdigest()

Stringing the client seed together with the roll number like that lets me make the same rolls twice: "x1"+"2" == "x" + "12"...

(I reported this to the owner privately and he already shut the betting down to implement a fix, so don't bother trying to exploit it).

Sounds like adding Clam was a great decision, alterdicecom. It could have been someone with less integrity finding that vulnerability.

[dooglus]

$2400, not a bad days work dooglus!

After he fixed the exploit I carried on playing and built the 6.2 BTC up to 12 BTC, then lost it all.

Just as my balance hit zero I got a PM, thanking me for reporting the exploit and saying I could keep whatever I had won using it.

What is it the kids say? fml?

He ended up tipping me 3 BTC which is better than I was expecting. (But worse than the 12 BTC I could have had).

[edmundduke]

$2400, not a bad days work dooglus!

After he fixed the exploit I carried on playing and built the 6.2 BTC up to 12 BTC, then lost it all.

Just as my balance hit zero I got a PM, thanking me for reporting the exploit and saying I could keep whatever I had won using it.

What is it the kids say? fml?

He ended up tipping me 3 BTC which is better than I was expecting. (But worse than the 12 BTC I could have had).

It is still a really nice bounty for such a serious issue. Ofc the 12 BTC would have been excellent, but seems "You don't always win "
Still congraz on the bounty well deserved.

[alterdicecom]

$2400, not a bad days work dooglus!

After he fixed the exploit I carried on playing and built the 6.2 BTC up to 12 BTC, then lost it all.

Just as my balance hit zero I got a PM, thanking me for reporting the exploit and saying I could keep whatever I had won using it.

What is it the kids say? fml?

He ended up tipping me 3 BTC which is better than I was expecting. (But worse than the 12 BTC I could have had).

Thank you dooglus for your honesty. We are glad we were able to fix it quickly with a minimal impact. You are welcome back any time

[bobboooiie]

$2400, not a bad days work dooglus!

After he fixed the exploit I carried on playing and built the 6.2 BTC up to 12 BTC, then lost it all.

Just as my balance hit zero I got a PM, thanking me for reporting the exploit and saying I could keep whatever I had won using it.

What is it the kids say? fml?

He ended up tipping me 3 BTC which is better than I was expecting. (But worse than the 12 BTC I could have had).

Thats better than stamp of solvency, EVEN dooglus loses at our casino!

[o_dima]

LOL. Voted.

#7a69a853
Elect dooglus as Clamperor For Life. Duties include passing the butter at the dinner table and destroying all who oppose Clam.

[SuperClam]

Petition Id: 066b223d
Link: http://txti.es/066b223d


CLAMour Instructions: https://bitcointalk.org/index.php?topic=623147.msg13098673#msg13098673


Transaction Fee Pooling to Improve Security


Petition Reasoning:

• To prevent block creators from executing chain size attacks.
• To make transaction fees earned, and thus block reward, more predictable, constant and smooth.
• To add incentive for nodes to broadcast and share user transactions.

Current Network Behavior:

• Transaction fees are awarded to the node creating/staking the block.
• The block creator essentially pays the fee to themselves, and thus may avoid transaction fees entirely.
• A block creator can potentially attack the network by creating nearly free spam transactions.
• This adds incentive for nodes to not broadcast the transactions it is aware of, in the hope of keeping the fee for blocks they stake.

Proposed Network Behavior:

• Transaction fees are awarded into a 'transaction fee pool'.
• When a block is created, the creator increases the pool balance by the amount of fees paid by transactions in that block.
• When a block is created, the creator awards themselves 1% of the new pool balance and simultaneously reduces that balance by 1%.

Technical Notes:

• An integer would be added to blocks in order to store the amount of CLAM currently in the fee pool.
• The change would be consensus enforced by requiring blocks properly attribute the pool to be valid.
• The change would become active when 95% of staked blocks report a version indicating support for the change.