I am using the following Fabric Versions: 1. Fabric binaries: 1.4.4. 2. Fabric Node SDK version: 1.4.9 (fabric-network, fabric-client, fabric-ca-client). 3. Node.js version: v8.10.0 I wish to perform

#fabric-sdk-node #fabric #hyperledger-fabric

It is recommended to use endorsement policy > 1 to ensure that multiple peers are in agreement for each transaction. Similarly you can query multiple peers if the state is in doubt. This will protect

#fabric-sdk-node #database #fabric-questions

The value is base64 encoded, not encrypted. The value is represented as bytes and base64 is how bytes are represented in JSON. Your value is decoded as: {"class":"aipay.payment","key":"\"0004_workstat

#fabric-sdk-node #database #fabric-questions

In case of disputes, we need to provide assurance to our client that items in the couchdb are not manipulated and thus backed by transactions in the blockchain, which is secure and trusted by both par

#fabric-sdk-node #database #fabric-questions

You are correct that EventHub is the wrong thing to be using, and this is removed in the v2.x SDK. If possible, I would strongly recommend using fabric-gateway-java rather than fabric-sdk-java. It lay

#fabric-sdk-java #fabric-sdk-node #hyperledger-fabric

I am trying to use Fabric Java SDK to perform chaincode related operations. For this purpose, I wish to make use of the new Channel Event Hub functionality for listening to different events, mainly Bl

#fabric-sdk-java #fabric-sdk-node #hyperledger-fabric

Since there is no fabric-client anymore, what are solutions for automated(scripted) dynamic update of channel configuration? In my use-case organizations should be able to dynamically add each other t

#fabric-sdk-node #fabric

Hi, In version 2.0 of the node sdk for fabric it appears channel.queryBlock, channel.queryBlockByHash, channel.queryInfo and similar have been removed from fabric-network. How does one now query block

#hyperledger-fabric #fabric #fabric-sdk-node

Thanks for reporting that... and Ry for putting in the PR! Will merge it shortly. Sorry about that.. can't believe I put the wrong name in that doc :-( Regards, Matthew. Matthew B White IBM Blockchain

#fabric-sdk-node

https://jira.hyperledger.org/browse/FABCN-405 https://github.com/hyperledger/fabric-chaincode-node/pull/150 thanks for pointing this out! Ry

#fabric-sdk-node

Thanks Matthew! I changed the source code of my "package.json" as Matthew indicated, and my chaincode was successfully instantiated. Explanation: (1) I wrote my package.json with reference to the pack

#fabric-sdk-node

Hello - the module is `fabric-contract-api` rather than chaincode-api:-) Regards, Matthew. Matthew B White IBM Blockchain Solutions Architect Email me at WHITEMAT@... Find me on StackOverflow,

#fabric-sdk-node

Hello All! I wrote my chaincode using Node.js API, and now I'm trying to instantiate. image: hyperledger/fabric-peer:1.4.5 My package.json has the follow source: // ------------------- { "name": "demo

#fabric-sdk-node

Check out this tutorial, I believe this can be a good place to start: https://chainstack.com/deploy-a-hyperledger-fabric-v2-web-app-using-sdk-for-node-js/

#fabric-sdk-node #fabric

I am currently migrating my project from v1.4 to v2.x, and found out that the Node SDK fabric-client module will not be supported on v2.x. I was using fabric-client to install and instantiate chaincod

#fabric-sdk-node #fabric

===================== Chaincode is installed on peer0.org2 ===================== Instantiating chaincode on peer0.org2... + peer chaincode instantiate -o orderer.example.com:7050 --tls true --cafile /

#blockchain-explorer #fabric-sdk-node #dstorage #fabric

While executing a submitTransaction method i am getting an error like "2020-04-30T17:18:11.313Z - warn: [Transaction]: _validatePeerResponses: Received error response from peer: message=transaction re

#hyperledger-fabric #fabric-ca-client #fabric-chaincode #fabric-sdk-node

I am getting an error while invoking functions in smart contract Could anyone let me know why i getting this silly error, I only have one argument in the function as argument looks like this "async vi

#fabric-sdk-node #hyperledger-fabric #fabric-ca-client #fabric-chaincode #fabricca

We could revoke an user successfully. But, unable to update the channel with crl details. We are getting below error Unexpected error error applying config update to existing channel 'trusttrace': ini

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There is a currently a PR open to have the fabcar sample use the test network instead: https://github.com/hyperledger/fabric-samples/pull/103 You can either checkout the PR, or use the changes to poin

#hyperledger-fabric #fabric-sdk-node