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{{#seo:
|title=Ravencoin Wiki: CodeDevelopment and Roadmap|keywords=Ravencoin roadmap development code |description=Information targeted at for developers looking to find out more about working with and users interested in the Ravencoin Blockchaindevelopment progress.
}}
=Introduction=
This section of the wiki aims to help document the development work done related to the Ravencoin network and provide information for developers who want to build software and tools using Ravencoin.
Open weekly or fortnightly Every two weeks developer meetings take place on the Ravencoin Community discord server #development-meetings channel (https://discord.gg/jn6uhur). An archive of the dev chats are live and meetings is available on [Reddit (in the side panel) https://discordappwww.reddit.com/inviter/jn6uhur Discord] - #development-meetingsRavencoin/.
Archive of the Several dev chat of the 10th Aug 2018 on Reddit meeting summaries are available at https://www.redditravencoinplatform.com/ For Ravencoin network details, see:* [http://www.ravennodes.com/ Ravennodes.com] for node statistics.* [https://rvnstats.info/ Ravenstats.info] for mining difficulty, asset, hashrate, supply, block times, and more.* [https:/r/ravencoin.network/Ravencoin.network] for transactions, addresses, pool stats, rich list, and more.* [https:/comments/96at36/irc_log_from_ravencoin_open_developer_meeting_augwww.ravencoinburn.org/Ravencoinburn.org] for a quick overview of burned Ravencoin.
=Ravencoin platform development=
 Currently organized and based on Tron his talk at the Ravencoin NH meetup (October 11, 2018): [https://docs.google.com/presentation/d/1hMavh6kYHXBatv-36RCOWeyziypA2CRWoXNk6GDjQy8/edit#slide=id.p] Developer meetings can be found on the freenode IRC network #ravencoin-dev, on the Ravencoin Community discord server #development-meetings channel (https://discord.gg/jn6uhur), and the Raven discord #dev-irc channel (https://discord.gg/uh6PrWh). ==Phase 1 - Ravencoin launch & mining algorithm - April Jan 3rd, 2018== 
In addition to the [https://ravencoin.org/wp-content/uploads/2018/03/X16R-Whitepaper.pdf X16R algorithm], most of the core code changes are in [https://github.com/RavenProject/Ravencoin/blob/master/src/chainparams.cpp the chainparams] file.
==Phase 2&4 - Assets, Subassets & Unique assets - Nov 5th, 2018 ==
 
Asset [https://medium.com/@tronblack/ravencoin-asset-faq-e0d04d460e9b FAQ] written by Tron on Medium
https://ravencoin.network/address/RXBurnXXXXXXXXXXXXXXXXXXXXXXWUo9FV
==Phase New Mining Algorithm X16Rv2 - Oct 1st, 2019 ==[https://medium.com/@tronblack/ravencoin-asic-thoughts-e6c0079609e6 As it became evident that X16R ASICs were developed and mining Ravenvoin in July 2019], the X16R mining algorithm was adapted with a small modification to X16Rv2. This adaptation involved adding an extra hashing algorithm to three of the 16 existing ones, which greatly reduces the times an ASIC can be used (~3 .5%). X16Rv2 was implemented using an [https://github.com/bitcoin/bips/blob/master/bip-0099.mediawiki#asic-reset-hardfork ASIC- Dividendsreset-hardfork]. Development progress and code is available here: https://github.com/Rewards==RavenCommunity
Pay your token holders in RVN. Turn your profits into ==Phase 3 - Dividends/Rewards - Feb 7th, 2020==Rewards, also sometimes called dividends, provides a way to send tokenized assets or RVN and send out to all token holders of your token by percentage of tokens held. Dividend support can be done without modifying the protocol. Rewards do not require a consensus protocol change, and the rpc calls exist to be able do rewards already. These capabilities just make it native and easy-to-use from the client.
Dividend support can be done without modifying the protocol. We can add it to a version of the software that can be used by the payer, without requiring others to upgrade (i.e., a soft fork)===Resources===* [https://github.com/RavenProject/Ravencoin/tree/master/roadmap/rewards The Roadmap for Rewards is here on Github]
If you require this functionality ask ===Use examples===* Reward shareholders with profits (denominated in #dev channel on discord as there is RVN)* Reward membership holders* Reward those that contributed the most to a python script to get owners of assets, shared project and someone could write code to loop through owners paying to their address.earned special tokens
==Phase 5 - Messaging, OIP, and Restricted Assets - Feb 7th, 2020==A message is "broadcast" if an owner token or channel token is sent in a transaction to the same address with the addition of an IPFS hash and an optional expiration date. The message isn't really broadcast in the sense of being transmitted to nodes, but rather each node will independently detect the special transaction type and display the message. Message display is subject to some heuristic anti-spam rules.
Details === IPFS Integration ===IPFS (Interplanetary File System) is used by Tron black here: [https://medium.com/@tronblack/ravencoinRavencoin for issuance meta-kaaawwwdata, messaging, and transaction meta-2f72077aece Ravencoin — KAAAWWW!]data. Ravencoin must interact with IPFS in order to show messages because the message content is stored on IPFS. IPFS access should be on by default, but should be able to be turned off with a flag. A two phase approach will allow Ravencoin to use IPFS natively, but it will also use existing IPFS proxies.
Broadcast === OIP Integration ==='''(NEW)''' Open Index Protocol allows for richer meta data and will get support in Ravencoin in addition to IPFS. You can find more on what you can do with OIP [https://oip.wiki/Main_Page here]. You will have to choose between adding OIP or IPFS meta data. Fortunately, OIP metadata also allows for adding IPFS. === Restricted Assets ==='''(NEW)''' Restricted assets will be a new kind of assets that come with tags. The issuer can send tags to Ravencoin addresses that tell the entire chain that the asset can go there. The purpose of these restrictions is to limit the transferability of a message token to all known good actors, but without revealing the identity of your the actors to anyone other than the original entity that verifies their identity. Only when legally required to do so, would the verifier reveal the identity.  It introduces 2 token types:* One starts with a $ and represents a completely new token holderstype which is a Restricted Asset. Restricted Assets only move to Tagged addresses.* The other starts with a # and is a Tag. Tags tokens can only be transferred by the issuer. Tag tokens can be sent or revoked only by the Tag issuer. Restricted assets offer a solution to SEC compliance for security tokens: Ravencoin will allow for appending externally-validated trust from interested parties such as regulators, through intermediate Qualifiers such as KYC/AML provider consortia, down to individual addresses. Issuers of assets can leverage the tags to manage how their assets can move about the chain. In this way, affirmation of an address’ status (such as KYC/AML compliant, accredited investor, or current subscriber) is possible without exposing or replicating the addressee’s Personally Identifiable Information (PII), and where the burden of establishing and maintaining trust in these qualifying tags is borne primarily by the regulated entities and regulators that require such information in the first place. ===Resources===* [https://medium.com/@tronblack/ravencoin-kaaawww-2f72077aece Messaging will support is decribed in the KAAAWWW! protocol]. * [https://github.com/RavenProject/Ravencoin/tree/master/roadmap/messaging The Roadmap for messaging is here on Github]* [https://github.com/RavenProject/Ravencoin/tree/master/roadmap/messaging-antispam The Roadmap for spam prevention is here on Github]* [https://github.com/RavenProject/Ravencoin/tree/master/roadmap/ipfs The Roadmap for IPFSintegration is here on Github]* [https://medium.com/@tronblack/ravencoin-tags-and-restricted-assets-84fe3070a226 Ravencoin — Tags and Restricted Assets]* [https://medium.com/@tronblack/ravencoin-restricted-asset-sec-compliance-how-to-1-fe507a6a4ae9 Ravencoin — Restricted Asset SEC Compliance How To]* [https://oip.wiki/Main_Page OIP Wiki] ===Use examples===
* Send information about your token.
* Send alerts relevant to your project.
* Use Raven messaging for other systems.
== New Mining Algorithm KAWPOW (May 6th 2020) ==To battle ASICs in the long term, Ravencoin developers are developing a new hashing algorithm: KAWPOW, which is a variant of ProgPOW with parameters specifically for Ravencoin. The change will be implemented using an [https://en.bitcoin.it/wiki/BIP_0099#ASIC-reset_hardfork ASIC reset hardfork ]. For more info on how to mine, see https://minermore.com/docs/help/ravencoin_fork/ An open source kawpowminer by Ravencoin community devs is here: https://github.com/RavenCommunity/kawpowminer/releases More info on mining here: https://medium.com/@jeroz9009/ravencoin-tutorial-kawpow-mining-748158f63e11 == BIP44 Seed Words in Raven Core Wallets (May 6th 2020) ==Ravencoin core is going to default to using BIP44 starting with version 4. The iOS and Android RVN Wallet is already BIP44, and Mango Farms web wallet is also BIP44.If you’ve already created a wallet before the version 4 release, then it will continue to use just the BIP32 HD derivation and should be backwards compatible with your existing wallet.dat file. If Ravencoin core does not find a wallet.dat, it will prompt you and give you 12-words to write down as your backup. You should still encrypt your wallet and never forget your password. See: https://blog.ravencoin.email/post/ravencoin-bip44 ==Phase 6 - Voting(Aim: Q4 2020 or later)==Ravencoin will support voting. Creating a vote will create vote tokens. These vote tokens are identical to normally issued tokens, except that they are created in exact qty and units as an already issued token. Vote tokens move just like regular tokens up until the block height when the vote expires. This allows vote token holders to send their vote to a delegate that might have better information about the topic and therefore cast a more informed vote. The feature will also allow voting by percentage of ownership. Second tier web voting can be built on top of this protocol. ===Resources===[https://github.com/RavenProject/Ravencoin/tree/master/roadmap/voting The Roadmap for Voting is here on Github]
===Example===
Issue a special vote token to every holder of your token.
* Send to <address X> to vote for X proposal
* Send to <address Y> to vote for Y proposal
Second tier web voting can be built on top of this protocol.
==Phase 7 - Compatible Mode(Kawwwmeleon)==Allows newly created assets '''04/01/2019 Dev Meeting update''' The idea is to allow ravend to appear exactly act as a daemon that looks like RVNa single coin/token/asset. To realize this, LTCthe ravend daemon should be reconfigurable to listen to a transfer RPC call such as senttoaddress or sendfrom, or Bitcoin but in this case it would be for a specific asset and not Ravencoin. This would allow easy asset integration into exchangesexisting systems.  ===Example===The config for the asset FREE_HUGS might look like: {"port":2222, wallets"asset":"FREE_HUGS", explorers"rpcuser":"hugger", etc."rpcpass":"gi3afja33"} This speeds adoption into So, sendtoaddress on the larger crypto ecosystemnew port (non-RVN port) would send FREE_HUGS.
=Using the Ravencoin platform=
===Network call getassetdata()===
 
The following is the specification for this new network call - available starting with network version 70018
==Other documentation==
 
Atomic swaps: https://github.com/RavenProject/Ravencoin/blob/master/doc/atomicswaps.md
Issue assets in bulk: https://github.com/RavenProject/Ravencoin/tree/master/assets/tools
 
= Testnet =
 
This testnet network will be a completely independent secondary blockchain for testing purposes only, in which all tokens will have no intrinsic value and will not be traded on exchanges. The purpose of a testnet is to test features and functionality before introducing those features and functionality to the main blockchain. It is a playground to experiment and test different features with almost no cost to transact or mine blocks. During this testing phase, the Ravencoin blockchain itself will continue to maintain the same operation and functionality it has today.
 
To run your current wallet in testnet mode (Windows):
# Right click the shortcut, choose details and add '-testnet' to the target field. Example: <br /> <pre>"C:\Users\<username>\Path\to\executable\raven-qt.exe" –testnet</pre>
# Open the wallet by clicking on the shortcut you just made, and let the blockchain sync fully
 
{| class="wikitable"
'''If you would prefer to err on the side of caution, consider running your testnet wallet on a different computer.'''
|}
 
If you have additional questions about testnet, please see [https://www.reddit.com/r/Ravencoin/comments/94ju8y/come_join_us_on_testnet_and_try_out_rvn_assets/ this subreddit thread] or the [https://discord.gg/9mxhNjS #testnet channel in Discord.]
And here is [http://htmlpreview.github.io/?https://github.com/hans-schmidt/mastering_ravencoin/blob/master/analysis/What_is_wrong_with_Ravencoin_testnet6_block_38554.html an example] of a bug found that got paid a bounty - happy bug hunting!
 
 
= Community Projects =

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