multichain | An abstraction over multiple different underlying | Cryptography library

 by   renproject Go Version: v0.5.8 License: GPL-3.0

kandi X-RAY | multichain Summary

kandi X-RAY | multichain Summary

multichain is a Go library typically used in Security, Cryptography, Ethereum, Bitcoin applications. multichain has no bugs, it has no vulnerabilities, it has a Strong Copyleft License and it has low support. You can download it from GitHub.

An abstraction over multiple different underlying blockchains (Bitcoin, Ethereum, Zcash, etc.)
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              multichain has a low active ecosystem.
              It has 188 star(s) with 112 fork(s). There are 28 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 6 open issues and 1 have been closed. On average issues are closed in 1 days. There are 21 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of multichain is v0.5.8

            kandi-Quality Quality

              multichain has no bugs reported.

            kandi-Security Security

              multichain has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              multichain is licensed under the GPL-3.0 License. This license is Strong Copyleft.
              Strong Copyleft licenses enforce sharing, and you can use them when creating open source projects.

            kandi-Reuse Reuse

              multichain releases are available to install and integrate.
              Installation instructions are not available. Examples and code snippets are available.

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            multichain Key Features

            No Key Features are available at this moment for multichain.

            multichain Examples and Code Snippets

            No Code Snippets are available at this moment for multichain.

            Community Discussions

            QUESTION

            Can't perform API request from one docker image to another
            Asked 2019-Oct-11 at 15:45

            Im working on an application where I have a react frontend and a java spring backend. I have a simple API call where I want to return a new address. I have verified this works by using a separate container to perform a curl command docker container run --rm -it --net multichain-network byrnedo/alpine-curl http://multichain-api:8080/api/blockchain/address/create. This call returns the the expected result.

            Now I have created my docker environments using docker-compose and they are all up and running and can ping one another

            ...

            ANSWER

            Answered 2018-Sep-06 at 20:19

            You have a cors issue, not a docker one. It says that the origin domain of the server that make the request ( frontend - react ) and the server's origin domain ( backend - multichain-api ) are different, and you can find the cors system arch here

            For solving this issue in backend server you should tell your server to accept requests from different domains.

            Source https://stackoverflow.com/questions/52198743

            QUESTION

            Can we write queries in Multichain like select * from Stream1.key1 where key1.value = “xyz”
            Asked 2019-Feb-25 at 08:53

            Can we write queries in Multichain to retrieve conditional data from streams e.g. select * from Stream1.key1 where key1.value = “xyz”

            ...

            ANSWER

            Answered 2019-Feb-25 at 08:53

            You have many different ways of slicing and dicing stream items, but it does not support SQL. I'm not sure what you want to do with this query, but maybe liststreamkeyitems is what you're looking for? See the 'Querying subscribed streams' section on this page:

            https://www.multichain.com/developers/json-rpc-api/

            Source https://stackoverflow.com/questions/54859932

            QUESTION

            What does OFFLINE rpc command in multichain does?
            Asked 2019-Feb-23 at 22:11

            What does OFFLINE rpc command in multichain does ? where to use it ?

            ...

            ANSWER

            Answered 2019-Feb-23 at 22:11

            Start MultiChain in offline mode, so that it does not accept incoming (or create outgoing) peer-to-peer connections. For stronger security, use multichaind-cold, whose peer-to-peer networking code is disabled at compile time – see cold nodes and wallets for more information.

            Source https://stackoverflow.com/questions/54846734

            QUESTION

            How to sign a transaction in multichain?
            Asked 2019-Feb-19 at 16:25

            I want to know the sequence of API commands or cli commands to sign a transaction in multichain ?

            ...

            ANSWER

            Answered 2019-Feb-19 at 14:40

            Here is the list of commands you have to call in order to sign a transaction in multichain. SO first in order to sign a transaction you need to have an address so to generate address on multichain node. you have to call : 1.) createkeypairs- it will give you three key value pairs : a) publick key b) public address 3.) privkey

            Then you have to import this address to the node using : 2.) importaddress ( address )

            After importing the address you have to call createrawsendfrom which will give you a hex. 3.) createrawsendfrom

            After createrawsendfrom you have to call signrawtransaction and pass the hex obtained from createrawsendfrom. 4.) signrawtransaction ( hex obtained from createrawsenfrom)

            After signrawtransaction, call sendrawtransaction and pass the hex obtained from signrawtransaction and it will give you the transaction succcesful and txid. Your transaction can be seen on explorer after this.

            5.) sendrawtransaction ( hex obtained from signrawtransaction)

            Source https://stackoverflow.com/questions/54767174

            QUESTION

            How to send an asset from node address to any other address in multichain?
            Asked 2019-Feb-19 at 14:48

            How to send asset from node address to any other address in multichain ? I want to know is there any direct API call to do that ?

            ...

            ANSWER

            Answered 2019-Feb-19 at 14:48

            @cjcoders yes there is a direct api method to do that and that is sendassetfrom. It's clearly mentioned in their Docs.

            Source https://stackoverflow.com/questions/54768860

            QUESTION

            what is the difference between web demo and multichain explorer?
            Asked 2019-Feb-19 at 09:56

            I installed multichain at my server and then i run the multichain -daemon. I have to setup a private blockchain with cluster of nodes. Can you please help with what i need to check in web demo and multichain explorer ?

            ...

            ANSWER

            Answered 2019-Feb-19 at 09:56

            The Web Demo is for performing blockchain actions, such as changing permissions, sending assets, publishing items, syncing of multiple nodes together at the same time when a new block is added etc...

            The Explorer is for browsing what has happened on the blockchain but it cannot initiate actions.

            No, not all the Explorer functionality is in the Web Demo. I would recommend trying both to see exactly what they can and cannot do for you.

            Source https://stackoverflow.com/questions/54763338

            QUESTION

            CORS is preventing me making API calls
            Asked 2018-Sep-08 at 14:30

            I have an application that is running on two docker containers, a frontend(react.js) and a backend(java, spring).

            I have the containers up and running and can verify that they can communicate with one another through ping.

            After noticing this issue I looked into it and found a question on here that a user gok provided some useful information and a link to the spring docs which was very informative.

            I have applied the changes to my backend code as I was instructed to do so in an earlier question prior to finding out the issue was a CORS one.

            So from reading the spring docs I have applied the following to my classes

            Config

            ...

            ANSWER

            Answered 2018-Sep-08 at 14:30

            I did before like this , can u try ? Different from your tried , i added some exposedHeaders().

            Source https://stackoverflow.com/questions/52236017

            QUESTION

            Private Key generation in Hyperledger Fabric in Centeralized
            Asked 2018-Aug-02 at 15:25

            In Hyperledger Fabric when identity is issued the certificate and Key is shared by the admin unlike in multichain where the user receives the key as response and it is not shared with anyone not even admin.

            Is it possible in some way in Fabric? If not then Hyperledger is not decentralized it is only distributed.

            ...

            ANSWER

            Answered 2018-Aug-02 at 15:25

            It is possible. An admin registers a new user by the certificate authority and gets a "secret" back. This secret is then used by the client to enroll directly by the certificate authority and get his own key/certs, with nobody in between.

            Source https://stackoverflow.com/questions/51639682

            QUESTION

            Implementing multiple private blockchains?
            Asked 2018-Jul-20 at 04:39

            //This may be a silly question.
            I am exploring blockchains and now working on some concept project. For that I need to have multiple users (in millions), each maintaining their own blockchain. Unlike general implementations where every one contributes to a single public ledger. I found Multichain which is the closest as it gets. Are there any other options? Also, does this sound like I am ruining the essence of blockchains with this?

            ...

            ANSWER

            Answered 2017-Feb-27 at 20:38

            No problem in making a million blockchains, but the problem is 'private blockchains'; there is not a single usecase that you can achieve with private chains but not git. Also since you mention 'public ledger' I suppose you shall be storing data on the blockchain which is not a good idea since it goes expensive pretty quickly.

            Source https://stackoverflow.com/questions/42493151

            QUESTION

            Docker: add a volume
            Asked 2018-May-10 at 09:17

            I am running three docker instances of multichain nodes for testing purposes. Now in the Readme it says that I have to add a volume:

            Add a volume

            :/root/.multichain

            Link to GitHub

            So my question is very simple: How do I add this volume? is :/root/.multichain a path of the host system or is it some relative path inside the docker container?

            Thanks a lot

            ...

            ANSWER

            Answered 2018-May-10 at 09:17

            It leaves how do you map your volume up to you (namely giving you 2 persistent options). This Readme only defines what location in container should be persisted.

            Method 1 (named volume)

            Source https://stackoverflow.com/questions/50269265

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install multichain

            You can download it from GitHub.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            gh repo clone renproject/multichain

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            git@github.com:renproject/multichain.git

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