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Questions tagged [hyperledger-sawtooth]

Hyperledger Sawtooth is an implementation of blockchain technology with the Proof of Elapsed time algorithm by default, use this tag for questions about this project.

Hyperledger Sawtooth is an implementation of blockchain technology with the Proof of Elapsed time algorithm by default, use this tag for questions about this project. Another good idea is to reach out to members of the community at https://chat.hyperledger.org/channel/sawtooth/. Documentation can be found at https://sawtooth.hyperledger.org/docs/core/releases/latest/contents.html.

219 questions
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ValidationError: missing required field "selector" in io.k8s.api.v1.DeploymentSpec

I've created Hyper-V machine and tried to deploy Sawtooth on Minikube using Sawtooth YAML file : https://sawtooth.hyperledger.org/docs/core/nightly/master/app_developers_guide/sawtooth-kubernetes-default.yaml I changed the apiVersion i.e.…
debo karmakar
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hyperledger sawtooth lake -- Intel only or not?

I understand that hyperledger sawtooth lake uses new secure CPU instructions to achieve Proof of elapsed time (PoET) Does this mean that hyperledger sawtooth lake can only be used with Intel hardware? Can other chips be used?
Nathan Aw
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Certificate Authority in Hyperledger Fabric and Hyperledger Sawtooth

Does Hyperledger Sawtooth have any component that performs an action similar to what Fabric CA does in Hyperledger Fabric? In case it does not have, can I make use of any such external component?
Akhil Kintali
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How can I change consensus algorithm in Hyperledger sawtooth-supply-chain api (FishNet example)?

I am trying to change my consensus algorithm in the FishNet example. In /sawtooth-supply-chain-master/fish_client/public/dist/bundle.js file I found this: consensus":{"type":"bytes","id":5} Does anybody knows what is the mapping of consenus ids in…
umang garg
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Hyperledger Sawtooth - Preflight error while submitting transaction

I am trying to submit a transaction to Hyperledger Sawtooth v1.0.1 using javascript to a validator running on localhost. The code for the post request is as below: request.post({ url: constants.API_URL + '/batches', body:…
KBhokray
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Sawtooth Invalid Batch or Signature

I have started playing atound with Hyperledger Sawtooth recently, and having trouble to submit transactions on java, while python code seems okay. I have prepared the python code based on the api docs here and then tried to write one in java as…
denizdurmus
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Return custom error on hyperledger sawtooth transaction processor

I'm using the python sdk to develop a custom transaction processor por hyperledger sawtooth. Is it possible to return a custom error to the client that requested the transaction? How is the client supposed to know the reason that a transaction has…
klautern
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Hyperledger Sawtooth: How to retrieve transaction that changed a specific state?

If I need the history of some state address what should I do ? Is it possible to use the REST API to retrieve all the transactions that changed a leaf state address ? Or the only way to gather the "history" is by running trough all the transactions…
ludeed
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Sawtooth Transaction error: "Tried to set unauthorized address"

I am trying to write my custom Transaction processor. I am writing for simple Account class class Account: def __init__(self, name, ac_number, balance): self.name = name self.ac_number = ac_number self.balance = balance…
Harun-Ur-Rashid
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Rust installation fails. The command 'rustup-init -y' throws and error.

I am behind a corporate proxy and I'm trying to install Hyperledger Sawtooth on an Ubuntu machine. Part of that setup is installing rust which is failing. It uses the following command which is taken from a 'Dockerfile' file as part of the command…
Akhil Kintali
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How to query transactions for a particular resource in hyperledger sawtooth

I am doing multiple transactions like location update for an asset, and couldn't find any way to query the transactions based on that resource: For example If I create an asset fish1, and then make transactions to update the location of the fish,…
Rohit Khatri
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ECDSA secp256k1 keypair generation and signing on Swift

I'm making Hyperledger Sawtooth client prototype for iOS on Swift. Before that, I was doing the same for Android on Java. In Java implementation it makes easy with SpongyCastle library: Function to generate keys looks like this: public static…
null null
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Is hyperledger sawtooth under apache or intel corporation?

Hyperledger sawtooth is maintained by Apache or Inter corporation? At the footer there is intel corporation, if we want to move the project to production which is built on Hyperledger sawtooth, do we need to pay to intel?
btc user
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Pycharm failed to install package sawtooth-sdk

When I try to import the sawtooth SDK into Pycharm it failes with the following error Collecting sawtooth-sdk==1.0.1 Using cached sawtooth-sdk-1.0.1.tar.gz Requirement already satisfied: colorlog in…
Cheetara
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How to use sawtooth identity-tp processor

I am playing around with hyperledger-sawtooth. I have installed the sawtooth in ubuntu machine but identity transaction processor is not installed with sawtooth. so how can i use identity-tp command
Anshuman Singh
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