Trending questions in Blockchain

0 votes
1 answer

Multichain installation error

Please follow the below steps to install ...READ MORE

May 22 in Blockchain by Wasim
31 views
0 votes
0 answers

What will happen to the transactions with unconsumed states when modified contract is integrated in the network?

I have build a CorDapp using "Yo!CorDapp" ...READ MORE

May 22 in Blockchain by Sriram
• 160 points
54 views
+1 vote
1 answer

How the data stored in the blockchain is verified?

Hey @mayukha. When a transaction is is ...READ MORE

May 20 in Blockchain by Rajendra
54 views
+1 vote
4 answers

Installing Nodejs: sh: node: command not found error

You have to first install nodejs and ...READ MORE

Oct 22, 2018 in Blockchain by Omkar
• 67,660 points
4,988 views
0 votes
1 answer

ERROR: for cli UnixHTTPConnectionPool(host='localhost, port=None) Read time out log_timeout_error()

Can't give proper solution without knowing what ...READ MORE

May 15 in Blockchain by Rishi
138 views
0 votes
2 answers

How to install Ganache on Linux?

For linux you first need to download ...READ MORE

Jun 2 in Blockchain by Tushar
• 170 points
1,202 views
0 votes
1 answer

Module not found: Can't resolve './truffle-contract/build/contracts

Hey! Firstly, there seems to be a ...READ MORE

May 9 in Blockchain by Omkar
• 67,660 points
121 views
+4 votes
2 answers

Hyperledger Fabric issue: orderer client failed to connect to orderer.xxx.net:7050: failed to create new connection

Hey @gujiwork, Try making the following changes: docker-compose-base.yaml and ...READ MORE

Nov 5, 2018 in Blockchain by Omkar
• 67,660 points
4,309 views
+1 vote
1 answer

truffle compile

Try running the truffle commands as root. ...READ MORE

May 9 in Blockchain by Omkar
• 67,660 points
35 views
0 votes
1 answer

Unable to bring up first network in hyperledger fabric

I think there's a conflict with docker ...READ MORE

May 2 in Blockchain by Karan
207 views
+2 votes
4 answers

"failed to create new connection context deadline exceeded." error in Hyperledger Fabric

Try remove previous docker containers(have mentioned the ...READ MORE

Apr 23 in Blockchain by Kiran
3,475 views
0 votes
1 answer

Not able to connect to Ethereum client.

There is another way to link it. ...READ MORE

Apr 28 in Blockchain by Aashish Pasricha
67 views
0 votes
2 answers

Hyperledger Composer: "No version of composer-cli has been detected" after global installation

I am also facing a similar issue, ...READ MORE

Sep 20 in Blockchain by sam
• 140 points
417 views
+1 vote
4 answers

Uncaught Error: Returned values aren't valid, did it run Out of Gas?

Could be due to previously set values. ...READ MORE

Jan 30 in Blockchain by Omkar
• 67,660 points
1,205 views
+1 vote
3 answers

Removing double quotes from a string from JSON response in PHP

Just remove the json_encode call, and it should work: $resp ...READ MORE

Sep 12, 2018 in Blockchain by digger
• 26,550 points
4,573 views
0 votes
1 answer

How can i import the csv/excel files into my contract and record the transaction ?

You can not directly import an excel/csv ...READ MORE

Apr 16 in Blockchain by Omkar
• 67,660 points
198 views
0 votes
3 answers

Pass parameter as bytes32 to Solidity Smart Contract

Use the common.HexToHash package and pass the string ...READ MORE

Sep 19 in Blockchain by Grashias

edited Sep 19 by Omkar 829 views
0 votes
1 answer

How can i integrate Omnet++ with ethereum ?? or is there any other simulator which can do this??

You can use Hive Validator. Using this, you ...READ MORE

Apr 9 in Blockchain by Omkar
• 67,660 points
111 views
+1 vote
1 answer
0 votes
1 answer

Hyperledger error-installation error

Hey, there is a thread for the ...READ MORE

Apr 5 in Blockchain by Omkar
• 67,660 points
51 views
0 votes
1 answer

Solidity, why the used function is placed before the brace "{}" when define a new function?

Hey there! 1. Yes, using the same name ...READ MORE

Apr 3 in Blockchain by Omkar
• 67,660 points
88 views
0 votes
0 answers

When running the enrollAdmin.js i get this error:

Wallet path: C:\Users\Nibir Hira\go\src\github.com\hyperledger\fabric-samples\fa bcar\javascript\wallet 2019-03-29T04:07:44.902Z - error: [FabricCAClientService.js]: ...READ MORE

Mar 29 in Blockchain by anonymous

recategorized Mar 29 by Omkar 317 views
0 votes
10 answers

How to solve gradle build failed error?

I migrated the project to a different ...READ MORE

Dec 7, 2018 in Blockchain by Rajat
7,795 views
0 votes
3 answers

Truffle migrate Could not connect to your Ethereum client.

As mentioned in the previous answer, you ...READ MORE

Feb 19 in Blockchain by Dinesh
1,886 views
0 votes
1 answer

How does the architecture of a blockchain search work?

Hey there! There is no architecture called ...READ MORE

Mar 28 in Blockchain by Suman
44 views
0 votes
0 answers

How to set chaincode path in Hyperledger Fabric in fabric.sh file

i set the path to chaincode in ...READ MORE

Mar 23 in Blockchain by Malik

retagged Mar 25 by Omkar 198 views
–1 vote
6 answers
0 votes
1 answer

Where is default chaincode is located in pc?

The path that you have mentioned in ...READ MORE

Mar 25 in Blockchain by Omkar
• 67,660 points
36 views
+1 vote
5 answers

How to install Ganache.appx on Windows 7

Go to https://github.com/trufflesuite/ganache/releases there are a set of ...READ MORE

Aug 17, 2018 in Blockchain by Omkar
• 67,660 points
1,391 views
+2 votes
3 answers

Blockchain and HyperLedger difference

Hey, you got it right! Blockchain is ...READ MORE

Sep 7, 2018 in Blockchain by Omkar
• 67,660 points
98 views
0 votes
0 answers

how to add path of chain code in hyperledger fabric in startfabric.sh

#!/bin/bash # # Copyright IBM Corp All Rights Reserved # # ...READ MORE

Mar 17 in Blockchain by anonymous
204 views
0 votes
3 answers

Solidity: TypeError: Data location must be "memory" for parameter in function, but none was given.

Could be a version problem. This worked ...READ MORE

Apr 30 in Blockchain by Yogi
1,106 views
0 votes
1 answer

how to get the information of asset created in hyperledger composer in case of with out transaction?

First, get the list of all existing ...READ MORE

Mar 13 in Blockchain by Omkar
• 67,660 points
238 views
0 votes
4 answers

Hyperledger: byfn.sh up: ERROR !!! FAILED to execute End-2-End Scenario.

Try these commands $ docker rm -f $(docker ...READ MORE

Nov 28, 2018 in Blockchain by kartik chauhan
1,882 views
0 votes
0 answers

Error: Unexpected token o in JSON at position 1

I have been working with Interacting a ...READ MORE

Mar 6 in Blockchain by saeedi
• 120 points

edited Mar 6 by Omkar 516 views
0 votes
2 answers

Angular Bitcoin error: "Error trying to diff '[object Object]'"

There are two approaches to this: 1. You ...READ MORE

Sep 4, 2018 in Blockchain by slayer
• 29,170 points
6,199 views
+1 vote
3 answers

How to resolve the hyperledger fabric versions set up?

How to simple way to upgrade the ...READ MORE

Dec 18, 2018 in Blockchain by anonymous
645 views
+1 vote
3 answers

Hyperledger Fabric: How to delete installed chaincode ?

One way to do it, that I ...READ MORE

Nov 19, 2018 in Blockchain by Omkar
• 67,660 points
1,271 views
0 votes
4 answers

Hyperledger fabric: enrollAdmin.js Error: Cannot find module 'fabric-client'

Change your directory to fabric-samples/fabrcar. And run: npm ...READ MORE

Nov 21, 2018 in Blockchain by Omkar
• 67,660 points
1,286 views
0 votes
2 answers

Hyperledger Fabric: Error: could not assemble transaction, err proposal response was not successful.

Hey. It seems like you already have ...READ MORE

Nov 19, 2018 in Blockchain by Omkar
• 67,660 points
2,693 views
0 votes
1 answer

How to install truffle on Linux?

You can install Truffle using npm(node package manager). ...READ MORE

Feb 28 in Blockchain by Rishab
520 views
0 votes
4 answers

Hyperledger Fabric: Error: 2 UNKNOWN: access denied: channel [contentbackchainchannel] creator org

Run the following command inside fabric-tools folder: ./teardownFabric.sh ./startFabric.sh ./createPeerAdminCard.sh Then ...READ MORE

Oct 29, 2018 in Blockchain by Omkar
• 67,660 points
1,567 views
+1 vote
4 answers

Hyperledger: Cannot compile chaincode, cannot find package error

As the error says, it cant find ...READ MORE

Oct 26, 2018 in Blockchain by Omkar
• 67,660 points
1,504 views
0 votes
1 answer

How to install Hyperledger Composer on Linux?

You need some pre-requisites to install Hyperledger ...READ MORE

Mar 1 in Blockchain by Avanti
295 views
+2 votes
3 answers

Hyperledger Fabric: Peer Connection error: Failed obtaining connection: Could not connect to any of the endpoints.

 You can extend your /etc/hosts file and make orderer.example.com domain name ...READ MORE

Nov 13, 2018 in Blockchain by Omkar
• 67,660 points
993 views
0 votes
1 answer

How to install Ganache in Windows?

First, we need to install nodejs. Go ...READ MORE

Feb 28 in Blockchain by Rishi
300 views
+1 vote
4 answers

Hyperledger Fabric: Failed to enroll admin: Error: Failed to enroll admin.

As your .hfc-key-store directory is in chaindev, Try running the following ...READ MORE

Nov 5, 2018 in Blockchain by Omkar
• 67,660 points
1,165 views
0 votes
1 answer

How to install Ethereum on Windows?

Download geth installer from https://geth.ethereum.org/downloads/ After download, run ...READ MORE

Feb 28 in Blockchain by Raj
256 views