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I have managed to recreate the issue in a test environment. With this kind of change the client assumes that the rest of the network is on a newer version and perhaps an upgrade is required. I need to change this so that it treats this as a hard fork and marks the old blockchain as misbehaving and drops them from its list of connected peers. Then we can do this again.
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Downgrade to PC 0.8.6.4 / Mac 0.8.6.3 The change to the block reward did not work as planned as the longer chain was on the old software and the new client did not mark the longer chain as orphan but assumed the longer chain was correct and the current client out of date. Please downgrade to the previous version of Hirocoin which is 0.8.6.4 for PC and 0.8.6.3 for Mac. A test environment will be setup to emulate the network at the time of this hard fork so changes can be made so the new network protocol does not get confused by a longer chain on the old network. |
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GREAT to see you back! I know you're a great dev, but would love to see this coin take on the challenge of anon. Do you suppose this is something you'd be able to successfully do? I'd be very interested to hear your toughts on it. PS I've held HIRO for a very long time. I was a day 1 supporter/miner and still hold coins from that day.  I still hold all of my coins to As I said at the start, this as a long term project. Anonyminity is a desirable feature but I've not seen it implemented in a decentralised way yet. With the solutions out there are normally many trade offs to make it happen and with a bit of sleuthing you can often trace funds anyway. I am not adverse to implementing this sort of feature into Hirocoin but I will not be trying to invent this solution myself. |
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Hirocoin 0.8.6.5 - Dynamic Block Reward
Hard Fork on Block 224,000 It has been a long time in development but we have now released 0.8.6.5 with dynamic block reward. This is a variable block reward based on the history of the difficulty from the last 100 blocks. When the difficulty rises compared against the history the reward drops and when the difficulty drops compared to the history the reward rises. This will restore market confidence over the long term and will improve Hirocoin's standing in time for the impact of Scrypt ASICs being release from some of the more major hardware vendors. For those that are interested the new code for GetBlockValue looks like the following. Normally the first argument is simply nHeight sometimes with +1, I added an argument for when the plus one is required and pass in CBlockIndex rather than just its nHeight value. We need the CBlockIndex to be able to reference the last 100 difficulty values. The code is simple enough, we get the average of the last 100 difficulty values and then divide that into the current difficulty to get the weight to apply to the coin reward. The new coin reward can go from 40 to 400 depending on whether the diffuclty is going up, down or remains static. I know what some of you are thinking, there is float maths in here and that will cause trouble. Wrong. I have tested this on Linux and Windows and can see the difference between platforms. It cannot effect the final coin value per block. The difference is six decimals deep on the diffTotal and has no impact int64 static GetBlockValue(const CBlockIndex* pindexLast, int64 nFees, bool addOne)
{
int nHeight = pindexLast->nHeight;
if (addOne) {nHeight += 1;}
int mockSubsidy = 400;
if (nHeight > 224000) {
const CBlockIndex* pindexFirst = pindexLast;
mockSubsidy = 200; // Average reward
double diffTotal = 0;
double lastDiff = GetDifficulty(pindexLast);
for (int i = 0; pindexFirst && i < 100; i++) {
pindexFirst = pindexFirst->pprev;
diffTotal += GetDifficulty(pindexFirst);
}
double weight = (diffTotal / 100) / lastDiff;
if (weight > 2) weight = 2; // Max 400 reward
if (weight < 0.2) weight = 0.2; // Min 40 reward
mockSubsidy *= weight;
}
int64 nSubsidy = mockSubsidy * COIN;
// Subsidy is cut in half every 840000 blocks, which will occur approximately every ~1.6 years
nSubsidy >>= (nHeight / 840000);
return nSubsidy + nFees;
} I have not gone anywhere, I will remain as Lead Developer on Hirocoin and I do not intend to leave. Hirocoin launched without any further maintenance required, many other coins look very busy after launch fixing all the loose ends. Hirocoin never needed to do that and perhaps the lack of activity got some people concerned rather than reassured by the lack of required maintenance. I am always open to new ideas. Reducing the block reward was something I was never a fan of however a dynamic block reward seemed a much more interesting prospect as where this has been tried before it has been set to static values which max out and then never change after a certain point. The solution here will always remain dynamic and relevant. There is every chance that we will refine and improve on this solution in the future and hope that others will take this work on board in their own coins. If you have any killer ideas that you want to see implemented then please give me a shout. I am always on the look out for good ideas to implement in Hirocoin. Send me a PM and I can meet up with you on Skype or somewhere of your choice. |
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int64 static GetBlockValue(int nHeight, int64 nFees)
{
int64 nSubsidy = 512 * COIN;
int halvingInterval = 43200;
int halvingGap = 86400; // Num of blocks between 1st and second halving
while (nHeight > halvingInterval) {
nSubsidy /= 2;
halvingInterval += halvingGap;
halvingGap += 43200; // Next halving height gap is 43,200 blocks more than the last
}
return nSubsidy + nFees;
} Umm... What is that means? They told you in the first post  First subsidy halves at 43,200, subsidy halving gap will then be 86,400, after which the gap grows by 43,200
As this coin is 1 minute a block then 43,200 is basically 1 month so they halve after a month, but then they halve two months later, and then the gap increases by a month a time so the next halving is at three months and then four months later and so on. Interesting inflation model. |
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Good work on this coin. I checked GitHub and the effort has clearly been put into this coin. I upgraded my old wallet with the new one and everything went as expected. I am selling some of my UFO coins and have made a thread in the link below. https://bitcointalk.org/index.php?topic=659045Hope that you get on to a new exchange soon. Good luck. |
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I have a decent share of UFO coin which is over 1000000 coins. UFO coin has just been relaunched by the Lead Developer of Feathercoin  https://bitcointalk.org/index.php?topic=658117.0The only exchange this coin was on before the relaunch is down for maintenance. Soon they will get support on new exchanges. I am willing to sell directly. If you want to trade in small amounts to be safe then I am happy to do that but you have to send first. If you are not willing to do that then please do not contact me. I have sent funds first and never heard from the person again  |
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Doesn't this seem counter productive? If people stop mining, and the remaining miners get less coins, they will have little incentive to continue mining, so they will stop and move to another coin that is more profitable. Hastening the leave of the remaining people mining because they will get less and less as more and more people leave.
The opposite being, that since it produces more coins if you mine on it with more hash, that it will dilute the value further and make the existing coins worth less.
It's the worst solution I can imagine.
I think too much effort is being focused on getting people to mine the coin. The miners don't make the coin valuable. The miners just dump the coins for cash to pay for expenses. If you want to improve the coin, you have to make consumer focused features. Give people a reason to use the coin or hold the coin. Otherwise you have people just mining worthless coins. Might as well just release all of them to everyone in a lottery and save the environment the wasted electricity.
You'd be better off providing the "bonus" to people who hold coins. That will at least improve the scarcity of the coin and make them more valuable.
I can print paper coins on the copier all day, but they are still worthless.
The idea is that when demand for the coin is high (represented by people mining it) the reward is higher as the market is there to take the coins, when demand is low the reward drops so as not to saturate an empty market with more coins. Having it the other way around so that when demand drops more coins are produced seems to be wrong. You would be bringing more coins to market when less people want them. The demand for this has come from the community. For a long time now the conversation has focused on reducing the coin supply to the market as the supply is out stripping the demand. This dynamic coin reward is us trying to meet the communities requests. To simply reduce the coin supply does nothing to progress crypto. With the dynamic block reward we try something new that could evolve into a popular solution if we get it right and continue to develop it. My next item was to bring in an API for merchants to use, I think that this is important. If we have a dynamic reward then the next coin reward has to also be returned by the API. The API would give the value of the coin in fiat, generate QR codes and give other coin stats. I think getting merchants to use us in the real world is important. We are also going to work on an Android app, there is enough existing code out there to be able to piece together a working app without much hard work. This is going to be needed for people to pay in Hiro at the counter. |
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Difficulty Based Dynamic RewardI am going to focus on the dynamic block reward as this is more demanding and more interesting than other current projects. The idea is that the reward is based on the average difficulty against the current difficulty. So that if the difficulty goes up so does the reward and vice versa. This sounds like the inverse of Darkcoin's solution but this will always be dynamic in that what was a high difficulty becomes normal over a period where as Darkcoin has static settings so seems to be bolted to a reward of 5 coins. There has been a lot of demand for a reduced reward which I and the team were not happy with. What we have here is something different and not done before. The higher the demand the more coins but if the demand drops off so does the coin supply. We hope this could be step one towards a price stabilization solution. As there is an immediate need for this solution I am going to focus all my efforts on to it now and drop the block browser for a bit. Block ExplorerFor any that are interested in taking a look at the block browser you can grab the source from here. https://github.com/HiroSatou/Hirocoin/tree/blockbrowserThe block browser was originally implemented in Silkcoin but it is very buggy, I thought it was my implementation of it but checking Silkcoin it has the same bugs. It needs a lot of work to sort out the bugs and improve the UI. 
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There are others with a similiar supply to ours but a much better market value. It is not the supply that is the problem but the demand for it which we can change. People do not believe that we are committed to longevity.
On my list of projects for Hirocoin.
Create an API. This can be used to get the price of Hiro, generate QR codes and get various stats. This can then be used by merchants and other services.
Point of Sale page. This will pull from the API. Vendors can enter in their address and fiat type. Then they can enter in the amount in their currency, press a button and get a QR code which will can be used to pay at the counter.
Android and iPhone wallets. This works well with the PoS page above. With these apps people can scan QR codes and pay at the counter.
I believe all of the above are important for merchant adoption and increase the demand for Hirocoin.
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How important is this Updated DNS seeder? Will Thorcoin be ok without it or are we walking another tightrope hoping it won't crash again?
What is it going to take to get this programming done?
A DNS seeder helps new clients connect to others on the network. You see many coins launch without such a thing and then users end up sharing addnode information. It looks a lot more professional to have something like this for a coin. Thorcoin is okay without such a thing. My time is very tight doing commissioned work and when I am free I need to get on to Hirocoin before anything else. Checking scificryptoexchange.com they seem to have updated their daemon as I am able to withdraw some Thorcoin from there. |
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Thanks for the donations. I think what is needed going forward is for someone with some free time to come forward as a Thorcoin strategic planner and representative. Someone who can relaunch this coin, map out future work and contact services who do or might support Thorcoin. I am happy to provide some support for this person like technical information and coin development. The two things that need doing ASAP are as follows, if you want to take a task on please state on here. 1. Inform services that use Thorcoin to updateThis is something that everyone can get involved in. If you know of a service that supports Thorcoin please send them a message as soon as possible telling them to update their local Thorcoin daemon with the one from the GitHub linked here. Also there is an exchange that supports Thorcoin linked in below. I have posted on their forum about this update and sent a PM to their mods but have not heard back from them. As far as I know this is the only exchange that supports Thorcoin so it is vital that they update their client. https://www.scificryptoexchange.com/#/trade/exchange/31If you contact someone please let us know here though if you see that a certain service has already been contacted feel free to contact them again until they actually update their systems. 2. Post a new Announcement threadThe original dev has gone so there is no control of the original post on this thread which is potentially dangerous as people will be downloading or building the wrong client. We need a new thread with links to the update GitHub repo and built Windows client. Who ever wants to take this on can give me a kick for support over things like update clients and technical support. The new announcement thread should be the place to go to find all Thorcoin resources. Perhaps it is sensible that an account is set up to announce the updated client and that account is shared to several people to share the work and responsibility. Again please post your interest here. You can add me on Skype with hirosatou071 |
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Is there anything interesting in Hiro or is it dead ? Any future plans for Hiro  Plenty of future plans for Hirocoin. Take a look over the last page to see what has been going on. We very recently launched a unique feature for Hirocoin not seen in another coin :p We have the ability to import private keys from QR codes within the client software itself. We would not develop such a thing if we were not aiming for the moon We are here to catch the flood of people leaving Scrypt coins looking for somewhere good to move their funds to. There will be an exodus and for those paying attention we have proved ourselves. Right now I am helping Evan Duffield on Darkcoin. We are putting in a solution to secure the blockchain against attacks. It is only going to be a matter of time before X11 coins get the sort of attacks that are common on Scrypt. Hirocoin is secure and we are making sure that Darkcoin is also going to be secure. Once I have finished working on Darkcoin I will be back and plan to implement a in client block explorer. Sounds like a sensible thing to have. Good news is that Bitcoin seems to be on the rise at the minute, this is good news for everyone. |
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The Windows client that I provided is updated against the Heartbleed vulnerability. If there is something required and a bounty can be raised then I can make the time. Coding is how I pay the bills so some kind of reward is appreciated. If all seems to be well with this patch then I will create a Windows installer and Mac version. It may be sensible to start a new thread as the original dev has disappeared.
There will need to be some discussion over the outcome of this patch. All that was done was to move the coin back to safe Peercoin settings. Looking at the comments it seems that the dev meant nTargetTimespan to be every day, however it was actually set to each hour. This is now one week the same as Peercoin. Also the block time was set to one minute which was probably the cause of the problem and has now been set back to the Peercoin time of ten minutes. However the block reward has not been adjusted to restore the original inflation model so there are currently less coins coming to market.
The discussion should be over what to do in the long term over these settings. If the blocktime is to be increased it has to be done safely. If not then perhaps the inflation model should be restored. This is not my coins so there should be consensus over this in the community.
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Many thanks do Daanlt who mined on the new client and has mined a replacement block for the current stuck one. It seems that the coin is now working as expected. We need to get a few people updated, connected and mining for everything to start working again. What is needed is an updated DNS seeder to be added to the source code so that updated clients can connect to each other. While the network is coming back to life it would be helpful if people could share IP info for addnode. Otherwise we will end up with people mining isolated chains some of which will be orphaned when the network fully links up again. If anyone wants to fund additional work like porting a seeder to Thorcoin and running it then please let me know. The updated source code is available from the link below. https://github.com/HiroSatou/Thorcoin/I have compiled a Windows binary for testing. https://www.hirocoin.org/dl/thorcoin-qt.zipI am running an updated node on the IP address below. -addnode=207.12.89.227 Once nodes are connected and the blockchain is ticking please note that my Thorcoin address is TKJBU85sETT712uMVfjxGzbTx3CZfvHP17 |
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I'm working on an internal block explorer GUI. Seems like a sensible thing to have as trying to browse the blockchain from the console is not very friendly. A built in block explorer is the sort of thing that coins should launch with. I did not know when launching Hirocoin that a block explorer is seen as mandatory. With a built in block explorer devs can focus on working on the coin code and not worry about hosting external explorers.
I'm very interested to hear ideas from people. I am now looking to spend the majority of my time on Hirocoin as I intend to raise our profile for when the Scrypt ASICs hit. There is going to be a lot of people pulling funds out of Scrypt coins and I want to be on the investors radar. If anyone has a bright idea that I can develop to put us on the map then please let me hear it.
I must apologise somewhat as after the initial couple of weeks I was not as active as people had wanted and some saw this as a sign that I was not committed as I said I was. In fact I was doing commissioned work to pay the bills. As said I intend to stick with Hirocoin long term and will now be putting more hours into development.
If you do need any support securing or launching your own coin I am your man. I do not view other coins as competition and have an open source ethos to crypto currency which has been mostly lost in this scene due to the involvement of money. For crypto to adapt and evolve then we need diversity of the source code which does mean that we need more people working on the source code like we have been. Bitcoin has to maintain the status quo, alternative crypto currency is where the real innovation is going to happen.
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Not yet. If you can hash Thorcoin please send me a PM and I will send you the details to connect to the patched client to mine a couple of blocks. This should only take a few minutes and then we can relaunch if everything is okay. The Thorminer throws hardware errors on two of my computers. If anyone has any advice on that then perhaps I can just test this locally.
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I need the assistance of someone who was able to mine Thorcoin. All I'm getting mining on two computers is lots of hardware errors.
Please send me a PM, I can give you my IP username and password of where to start mining. It should only take a few minutes to test whether this works as the difficulty is low. We need to mine two blocks to mine the current block we are stuck on and then the one after. If we make it to 85746 I will push the changes to my GitHub repo for Thorcoin and then publish the new clients.
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Thanks for all the offers, I hope to be collecting them soon I'm just putting the new code into practice. Basically going back to some more tried and tested settings for a child of Peercoin. This will fork on 85744 and then happily continue past the block it got stuck on. If all is well I will link to GitHub and post some binaries for Windows users. If you need Mac let me know. |
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Is there any concrete thing being done to make HIRO more useful in the real world and thus create true value? Currently there is nothing that would make someone actually need HIRO as opposed to many other cryptocurrencies.
I'm really asking this out of legitimate interest, not to spread FUD, but let it be clear that being X11 does not count as something useful, there are dozens of other x11 coins by now and it never mattered if a random assortment of miners are coming here in the future
It is a good question, what can we do to make ourselves stick out? I hope that some people take some solace in the fact that we just added a new unique feature in Hirocoin, the ability to import private keys from QR codes. This is a neat feature but it is niche, however it shows that we are earnest about developing Hirocoin and can stand out from the majority of coins that we see launched where the devs disappear soon after launch. In fact, as I have said before, if you are technical you can take a look at the effort put into launching this coin to see that a proper and complete job was done bringing this coin into existence more so than the other X11 coins that have some out, no offence Darkcoin, but even they forgot to do a lot of things before launch like change the alert keys, pchMessageStart, PROTOCOL_VERSION and so on. I helped out Darkcoin with this and added the makekeypair command so that Evan could generate new alert keys to avoid picking up alert from Litecoin. The point is that no one puts the effort that we have put into Hirocoin if we were not intending to be committed to its longevity. So what do we do from here? It is not easy to find the killer application for Hirocoin. Let's make sure that we are at least the best of breed. So if anyone sees a good feature elsewhere in crypto bring my attention to it as we want to have all the good features that are available. As for more unique features I think we need ideas on this front. The easy thing to do is keep up-to-date with Bitcoin by moving to the latest code base. I've not had much interest on moving to the 0.9 codebase but it is on my agenda anyway. Let's not only move to the latest code base and take the best but let's find other unique features to develop. The fact is that Bitcoin does what the majority of other coins offer, what needs to happen to secure our longevity and market success is find an area to move into that Bitcoin cannot follow. Something that for whatever reason Bitcoin would not be interested in being used for. If we can find an area to segment into and then rule it then that is how we win long term. To start with we set ourselves to exist in a GPU only segment. So that all of those GPU miners who have to find another solution have one in us. Darkcoin is doing very well but as said before they have the inverse difficulty reward. So the more people that mine Darkcoin the lower the reward. This makes for an odd inflation model and one would guess that this is a indirect bid for scarcity. We have no such feature so hope to be a better choice for miners. We are yet to see the true impact of Scrypt ASICs but that time is coming soon. I remember well what the impact of SHA-256 ASICs had for Litecoin when the GPU miners had to migrate. Litecoin went from 2 cents to several dollars and never looked back. There is only a couple of months now before we will see the Scrypt ASICs come out, it is going to be a very interesting time. If you know of a good feature or have in your mind a feature that does not yet exist then please let me know. We can make this happen and for new features it can happen with Hirocoin first like the import QR code feature. I am optimistic about what Hirocoin will be able to achieve long term. |
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