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Questions tagged [embark]

The tag has no usage guidance.

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0answers
11 views

Getting “Error while loading the content of <contract>.sol”

After setting up the "embark-create-react-dapp-template", I didn't see a folder for contracts. So I've created one under the root level of the project (just like in the demo). But then when I executed ...
0
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0answers
61 views

Infinite gas cost when trying to use transfer()

I tested the contract using Remix Javascript VM, Injected Web3(Ropsten) and in-built Ganache client from Embark Framework(4.0). Always getting infinite gas usage. Can someone please help me? This is ...
-1
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1answer
34 views

Embark Demo Issues

I've been able to open the embark console but I found that there were a few missing messages on the console. It appears that there is "no blockchain" and the status does not show anything. I tried ...
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0answers
50 views

How to register truffle contract with ENS(Ethereum Name Service)?

I am wondering how I can publish my smart contract to ENS via truffle. I think I might need to include a smart contract called ENS.sol, but I am not sure. Is it the same as publishing a package to ...
1
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1answer
110 views

How we store end user details when we create ICO based ethereum DAPP? [closed]

I am new to ethereum blockchain.I want to create ICO based ERC20 token selling DAPP(Decentralized Application). I have created and deployed smart contract on ethereum private blockchain network and ...
0
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1answer
211 views

What are the current challenges developers face in creating a dapp in ethereum? [closed]

Can you tell what are the pain points for the Blockchain developers while developing DApp/ managing consortium networks.
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0answers
179 views

How to downgrade geth version?

I'm having this error, which I doubt is because of the newer version of geth & the project being more than a year old. I'm unable to downgrde geth anything below 1.5.9, I'm using a mac. Also, I'...
0
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1answer
247 views

Call instance function of a contract from embark console

I was following this tutorial.I have deployed the following two contracts on testrpc: pragma solidity ^0.4.7; contract MDBService { mapping (address => address) accounts; mapping (uint =&...
0
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1answer
114 views

Use other than default account in testrpc

I am using embark to deploy my contracts.What I need is to call a contract function from a different account rather than account[0] generated by testrpc. i.e. msg.sender should contain the address of ...
0
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1answer
683 views

When I deploy a smart contract does it create a new block or when I perfrom a write operation in the smart contract

I am new in smart contracts and ethereum development DAPPS. I am just curious to know about blocks when they are created and how a block is different from a transaction and a new block is created. ...
0
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1answer
63 views

How to call a payble function in embark? When I am trying it is showing gas limit exceeds

when I am trying to call payble function in embark it is showing gas limit exceeds. Please tell me where I am wrong? ///////////////// Index.js: $('#buy button').click(function() { ...
0
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1answer
437 views

Invalid JSON RPC response: “400 Bad Request” in Simple Embark Dapp

im new to Embark, following my first tutorial here at https://hackernoon.com/how-to-create-a-token-factory-with-ethereum-part-1-85e84d1f38fc When I run the following in the console Token._supply()....
3
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1answer
199 views

Relation Between 'testrpc', 'embark simulator', 'embark run development' and 'Intelij idea'

I am very much confused on the relation between these four different stuffs (testrpc, embark simulator, embark run development, inellij idea ) . I have installed these all on Ubuntu . My question is ...
2
votes
2answers
647 views

Testrpc and embark using same port

While setting environment for ethereum , I got an Error that port 8545 is listened by another process, Actually testrpc and embark simulator both are using the same port. If i kill one process and ...
4
votes
1answer
132 views

I am using Embark , i wrote a command 'make geth' it throws the error

make: *** No rule to make target 'geth'. Stop. I don't know what does it mean .
4
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3answers
854 views

How to retrieve stored data from blockchain?

I built a dapp integrating IPFS and Ethereum, in which the blockchain will store (in transaction) the links of every file uploaded to IPFS. But I want to display the IPFS links of all the files I ...
7
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2answers
1k views

Which one is suitable frameworks for Dapp development(Truffle, Embark, Dapple)? [duplicate]

Right now we have major Dapp development frameworks. Truffle Framework Embark Dapple What are the pros and cons of each one. On what basis this could be chosen. And what each frameworks needs to ...
2
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1answer
96 views

Connecting RDBMS using Embark

Can someone please explain, How can we configure SQL database for e.g. MySQL using Embark framework and How do we configure this in application.
1
vote
1answer
125 views

How can I tell who has called a function / contract?

I am very new to Ethereum and don't really understand the problem spec very well, so bear with me. There is a function named GetVotesCount() in the contract MordorVote which I must limit to only ...
3
votes
1answer
403 views

embark demo doesn't work: cannot read property “1” of null

blockchain@blockchain-VirtualBox:~/embark$ embark demo Initializing Embark Template.... Installing packages.. this can take a few seconds Init complete App ready at ./embark_demo ------------------- ...
1
vote
2answers
221 views

Embark serverside

This is perhaps a stupid question but i'm not getting it. How do you use Embark in NodeJS or is it client side JavaScript only. Because in the demo there is no server side code. It looks like it's ...
1
vote
2answers
432 views

Ownership of Contracts with Embark

I'm using the Embark-Framework to handle my DApp development. I made a new contract that has the public address owner. Example below: pragma solidity ^0.4.7; contract MyContract { address public ...
1
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1answer
254 views

Can't call contract method/function from another contract but can call directly

In Embark, programming in Solidity. I have a contract, which is called by another contract. The function it calls is below. Whenever I perform a write command I get a "VM Exception while processing ...
1
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1answer
316 views

What is the simplest way I can build a blockchain app using embark framework?

What is the simplest way I can build a blockchain app using embark framework? where does it store the data if I don't use IPFS? How do I run it on multiple instances in my machine for testing?
3
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0answers
213 views

Error in dapp developed using 'Truffle' framework -Smart contract function call won't get executed

I am developing a dapp using 'testrpc' and 'truffle'.I have also used ethereum-bridge for Oraclize.I have written a smart contract function which calls a url using 'OraclizeQuery'. The following is ...
0
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1answer
298 views

Smartcontract function call won't get executed in dapp developed using 'Truffle' framework

I am developing a dapp using 'testrpc' and 'truffle'.I have also used ethereum-bridge for Oraclize.I have written a smart contract function which calls a url using 'OraclizeQuery'.I have added the ...
1
vote
1answer
471 views

How to use orbit-db visualization in dapp created using Embark Framework?

This is the contract code:- pragma solidity ^0.4.7; contract SimpleStorage { string public storedData; function set(string x) { storedData = x; } function get()...
2
votes
1answer
482 views

How to use set and get in IPFS with Embark Framework?

I am using Embark Framework.I am trying to store a string value in IPFS and then to retrieve that string using the hash. Contract Code (simple_storage.sol) :- pragma solidity ^0.4.7; contract ...
1
vote
2answers
227 views

Issue in Embark command 'embark ipfs'

I am using Embark version 2.1 .I have used the command 'embark ipfs' but it returns the following error. /usr/local/bin/ipfs /home/toshiba/.nvm/versions/node/v6.9.1/lib/node_modules/embark/...
4
votes
1answer
577 views

IPFS Integration with dapp developed using Embark Framework

This is the contract code. pragma solidity ^0.4.2; contract SimpleStorage { uint storedData; function set(uint x) { storedData = x; ...
2
votes
1answer
245 views

How to fix the “Incorrect usage” error when using the Embark framework with geth

I'm starting to use Embark framework and at some point, when I try to run an Ethereum node with the following command: geth --datadir="/tmp/embark" --logfile="/tmp/embark.log" \ --port 30303 --...
1
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1answer
130 views

Adding npm packages to embark framework

Does the embark framework use browserify for package management? How do I add a package (say buffer) to the project? I used npm i --save-dev buffer and can see the dependency added to package.json ...
2
votes
1answer
472 views

Embark + IPFS storage error: Cannot find module 'fs'

I am using the Embark framework demo code and trying to include IPFS storage (not deployment) functionalities to the project. I get an error message when I try to execute the following code in the ...
3
votes
1answer
142 views

Migration between frameworks

How much effort would it be to migrate a Dapp written in embark to truffle or vice-versa? Which parts of the code can be preseved (would work in both frameworks)?
15
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1answer
2k views

What is embark?

What is the embark framework? Who can use it, who should use it? And what are the benefits?
2
votes
1answer
741 views

How to use contracts deployed by embark on the server side of a meteor app?

I have created my example using embark meteor_demo and then changed my configuration on embark.yml to output the contract on the server folder instead of the client. From that point i started getting ...