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Hyperledger Sawtooth Data Permisions


By : fuerykai
Date : September 13 2020, 01:00 AM
I wish did fix the issue. It is possible. The smart contract logic in your Transaction Handler for the IntegerKey should verify that the specific user (you're intending to) is updating the value of a variable X.
The out of the box identity-tp will help you restrict access to the client who can perform IntegerKey transaction. Also, it will help you to restrict run only allowed Transaction Family on the network. But when it comes to specific variable, it depends on the way you decide to store the value in the global state. Once you decide on the way to store the variable in the global state, you may optionally have a verification logic to check if the transaction is indeed sent by the right person.
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Data privacy in hyperledger sawtooth?


By : user1401636
Date : March 29 2020, 07:55 AM
I hope this helps . In sawtooth, transactions can usually be seen by all participants. But there is a transaction family that enables chanel-like behavior (as seen in fabric). See here:
https://sawtooth.hyperledger.org/docs/core/releases/0.8.8/examples/private_utxo/overview.html

What is the difference between Hyperledger sawtooth core and Hyperledger sawtooth sabre?


By : user2098199
Date : March 29 2020, 07:55 AM
I hope this helps you . I am new to blockchain technologies. We have bided against the potential project on hyperledger. So I was reading the documentation of hyperledger Sawtooth. In the documentation, I found Sawtooth core and Sawtooth Sabre. From the documentation , in a layman term I can make out that Sawtooth core provides you the platform and Sawtooth Sabre is a way making smart contracts. ,
Is my understanding right?

Connecting Hyperledger Sawtooth Client to a Hyperledger Sawtooth Validator on a different machine


By : user2124357
Date : March 29 2020, 07:55 AM
This might help you You have your client connect to the REST API on the remote machine. The TCP port for the Sawtooth REST API is 8008. If, for example, your validator node is at IP address 10.0.0.100, you connect to http://10.0.0.100:8008
The REST API URL is specified in your client source code. Many Sawtooth clients have an option to specify the REST API point. For example, the intkey CLI has a --url option, so you would use intkey --url http://10.0.0.100:8008

Blockchain (Hyperledger sawtooth) data management


By : user2152987
Date : March 29 2020, 07:55 AM
hope this fix your issue When provisioning blockchain nodes, you must allocate enough storage on all the peer nodes to hold duplicate copies of the blockchain. To calculate the storage required, take the size of your transaction family payload (which is application specific) add the size of transaction and block header overhead and multiply this sum by the number of transactions you expect over the lifetime of the blockchain (or at least until the next upgrade cycle, presumably years from now).

Certificate Authority in Hyperledger Fabric and Hyperledger Sawtooth


By : Samson Okubanjo
Date : March 29 2020, 07:55 AM
may help you . No, Hyperledger Sawtooth does not have a CA. One can use any identity software one wishes to use.
Examples of open source identity software include * Hyperledger Indy (blockchain-based Identity software) * Apache Synscope (based on the Sun Identity Manager) * OpenIDM * Gluu
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