Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [meteor]

Meteor is a full-stack JavaScript platform for building modern web and mobile applications

1
vote
1answer
81 views

Web3 Empty Object Server Side in Meteor

Created new --bare Meteor project (release 1.8). Used meteor npm install --save web3 to add web3 to the project from npmjs.org. In code server.js use: Web3 = require('web3') console.log(Web3) // ...
0
votes
1answer
33 views

Error deploying new contract in Javascript using Meteor and TemplateVar

I am trying to create a new contract on button click using Meteor and TemplateVar. The relevant code is: Template.Borrower.events({ 'click button'(event, instance) { // Create new Borrower ...
1
vote
1answer
729 views

How do I call a function in javascript to call a solidity function using meteor and TemplateVar

I have created a very simple front end to display the borrower name. I deployed the contract Borrower on Rinkeby. I can run the application if I access the variable borrowerName using the following ....
1
vote
0answers
48 views

Private Chain Self-Hosted Mist Wallet Build Issues

I'm currently trying to deploy a fork of the Meteor Wallet Dapp on a custom private chain and I'm a bit confused at the set up, there seems to be a bit of lacking documentation on how Mist, Meteor-...
0
votes
1answer
102 views

Problem with meteor server side call to Ethereum node

I try to interact with Ethereum node via web3 lib. (meteor add ethereum:web3) Meteor 1.5.4.1 lib.js if (typeof web3 === ‘undefined’){ web3 = new Web3(new Web3.providers.HttpProvider(‘http://127.0.0....
0
votes
1answer
254 views

How to send several arguments to an solidity function using an array or a dictionary?

Sorry in advance for my english I am French :) I try to create a simple ethereum wallet. The idea is to allow the user to create a contract and to interact with it. I am using meteor, web3 and an ...
2
votes
3answers
3k views

contract has not been deployed to detected network (network/artifact mismatch)

Why can't deployed contract be found? My node: admin.nodeInfo { ..., protocols: { eth: { difficulty: 36521801351, genesis: "...", head: "...", network: 3 } } } ...
1
vote
0answers
179 views

What is the recommended way to interact with smart contracts in Meteor?

I have a meteor web application and want to interact with my smart contracts. Most of the data are stored in the Meteor MongoDB. I only store a hash of the data on the blockchain. Where should I the ...
4
votes
3answers
497 views

Why is MeteorJS so popular for making dApps?

I am learning more about creating a front end that communicates with solidity contracts. At first, I was pointed in the direction of using ReactJS, but now I see many people talking about using ...
0
votes
1answer
73 views

Meteor's EthBlocks.latest.number not updating

Created a very simple Meteor app to display the current block number using ethereum:block. Problem: Even though the current block number is displayed when the page loads, it does not update both on ...
0
votes
1answer
773 views

Print values of a struct

I'm developing a dapp on Meteor that uses a contract written in solidity. In the contract there is a struct. Is possible to print the values that are in the struct? How can i do this?
1
vote
2answers
245 views

Development approach to setup Eth account on Meteor/web3 app

I want to develop a Dapp that allows user to send and receive my own token (smart contract). So far, I managed to setup a simple Meteor app that uses web3. So now it can interact with the smart ...
1
vote
2answers
143 views

Call a function in meteor wihout confirmation in metamask

I am working on university project and this is the only and last point i need your help. I want to call automatically a state-changing function in meteor without the submit confirmation in metamask. ...
2
votes
2answers
5k views

Send wei to payable function with web3 async

I want to send 100wei to a payable function in my deployed contract. But i don't want to sign the transaction because of to much effort to get this going. I just want to submit the transaction with ...
0
votes
1answer
109 views

Transfer contract address from truffle to meteor

I am very new to dApp-Development and therefore frankly i need some basic help. How can i get the address of my deployed contract by truffle in meteor? I hope there is a simple solution.
0
votes
3answers
687 views

Send a transaction with Meteor in the JS file without click “submit” in metamask

I'm deploying a dapp with Meteor and Metamask. I would like to send a transaction to the blockchain that is scheduled everyday and sends ETHER to a contract. This function works but when I use web3....
0
votes
1answer
785 views

Meteor web3 sendTransaction - error cannot create property 'from

Hello ethereum experts, I got the following error in the Chrome's Javascript Console: ethereum_web3.js?hash=ee8d37819d18de934b202361e374522a33bbd060:3783 Uncaught TypeError: Cannot create property '...
1
vote
1answer
599 views

Running Ethereum Wallet and geth console together

I am a newbie with blockchain overall. What I am trying an an experimental basis is: having a webpage display my balance in one of my accounts (on test-net). I am using meteor for my web interface, ...
2
votes
0answers
51 views

show specific information to specific users in meteor dapp

if a have a dapp with different users, and each user has his/her own profile page they can log in to. On this profile page, the user should be able to change/add his user information (name, age, etc) ...
1
vote
0answers
181 views

Link a profile page to an ethereum address?

If I have made a page with meteor where a user can login and see his own personal profile page, is it then possible to link that profile page to an ethereum address, so the user can update his profile ...
1
vote
0answers
33 views

Connect meteor Dapp to ethereum testnet [duplicate]

I'm trying to build a Dapp using Meteor and Ethereum, but I'm having trouble connecting Meteor to Ethereum testnet. How can I do that? and is it possible to do without using a client such as metamask?
1
vote
1answer
1k views

Truffle vs Meteor [duplicate]

I have developed a dApp using Meteor. My question might sound a little dumb but here it goes: What is the difference between Truffle and Meteor? Are they exclusive from each other, is either one or ...
1
vote
0answers
115 views

eth-lightwallet installation error

I'm using Meteor and have installed eth-lightwallet by typing meteor npm install --save eth-lightwallet and meteor npm install --save ethereumjs-tx However, when I import lightwallet from "eth-...
3
votes
0answers
189 views

How do you connect to a node from the server side of a meteor app

This is the command I am using to run the node (a private testnet) geth --networkid 420 --nodiscover --rpc --rpcaddr "0.0.0.0" --rpcport 8545 --rpcapi="db,eth,net,web3,personal,web3" --rpccorsdomain "...
4
votes
1answer
364 views

Connecting to an ethereum node from meteor server side

I get the error TypeError: XMLHttpRequest is not a function when I try to connect to a node on the server side of my meteor application. The error is caused by meteor using the meteor HTTP package ...
1
vote
1answer
1k views

Getting “Error: unknown account at Object.InvalidResponse” when appication is connected to private network using metamask

My Contract is: pragma solidity ^0.4.8; contract Awards { address public owner; string  public name1; string  public name2; string  public name3; function Awards() {   owner = msg....
6
votes
2answers
617 views

Error with: meteor add ethereum:web3

If I run the command: $> meteor add ethereum:web3 I get the following error message: => Errors while adding packages: While checking for ethereum:web3@0.18.4: error: No ...
1
vote
1answer
292 views

Solidity Contract not returning array

I am creating a contract of storing all the names and address of the users. Then I returning the array of the names and address. contract demo{ address public user; uint public i=0; ...
11
votes
5answers
7k views

Getting Uncaught Error: new BigNumber() not a number: [object Object]

I am quite new to this. Please help me out. I am trying to build a dapp using meteor. I am having a little trouble with calling a function of the contract using web3. Here's the code snippet that's ...
2
votes
1answer
569 views

Secp256k1 bindings are not compiled. Pure JS implementation will be used

I am trying to create a meteor dapp that can sign a piece of data and then recover the address it was signed with. When I run the dapp I get this error in the console: Secp256k1 bindings are not ...
1
vote
0answers
103 views

Web3 API call error in Meteor Autovalue function and collection insert

I am running a Meteor application and faced with an error I cannot figure out. I am using a quick form to insert a document into a collection and one of the fields is a Hash address to be obtained ...
4
votes
4answers
707 views

“SSO-style” Login into app with web3.eth.accounts[0]

On top of the data exchanged through the Ethereum network, my app stores some extra user data in a classic DB (E.g. thumbnails, display preferences, newsletter management etc.). Doing that has led ...
1
vote
1answer
248 views

How to make Meteor + Geth working together?

I want to integrate a server side web server with a blockchain as a distributed database. What patterns are available to do so?
1
vote
0answers
105 views

Problem when trying to deploy contract due to meteor's modules/scripts

I have my meteor project which when i run i get the following warnings: First warning: Mismatched anonymous define() module: function () { return BigNumber; } intakeDefines @ aramk_requirejs....
2
votes
1answer
279 views

Can't use object “compiled” in var compiled = web3.eth.compile.solidity(source);

I've been struggling for the past couple of days with this. I Can't use object "compiles" in var compiled = web3.eth.compile.solidity(source); Here is my code in a JS file : var Web3 = require('web3'...
1
vote
1answer
740 views

Can't use object of web3.eth.compile.solidity(source)

I have the following code (source is the solidity contract to be compiled). var compiled = web3.eth.compile.solidity(source); var code = compiled.code; var abi = compiled.info.abiDefinition; However ...
0
votes
1answer
163 views

How to change the state of a variable using a Meteor app and Metamask?

I try to develop a simple app with meteor and metamask. I'm trying to change the state of the "name" variable of this contract throught my app : contract demo{ string public name = 'Etienne'; ...
1
vote
2answers
1k views

Cannot find module 'web3' meteor

I am trying to use the web3 API through my project in meteor. I saw an example that included web3 the following way: <script type="text/javascript"> var Web3 = require('web3'); var web3 = new ...
1
vote
2answers
424 views

How can i publish smart contracts accessible from all client

I've developed a simple smart contracts with browser solidity: pragma solidity ^0.4.9; contract demo { string public name="Pietro"; function changeName(string _newName){ name=_newName; ...
6
votes
1answer
291 views

Contract deployment without solidity online compiler

I am new to the dApp development. I want to deploy a contract to Ethereum through a website i am building. However i don't want the user to do it through the solidity online compiler or mist wallet. I ...
2
votes
0answers
34 views

How to return form data from an EthElements.Modal.question?

I'm trying to process data from an EthElements.Modal.question, however no event is passed when OK is clicked and this just points to the model call data and not the Template content.
2
votes
0answers
192 views

Implement constant search function in Solidity or in Javascript?

I am working with Meteor + Web3. Is it recommendable to implement a constant search function in Solidity or to transfer the data into a javascript array each time to then search in it? Thank you!
3
votes
0answers
48 views

Casting Object to BigNumber in Meteor DAPPs

Web3 incorporates the BigNumber library in order to handle 256bit numbers. I'm finding this problematic in Meteor as most of Meteor's reactive storage schemes such as Session, ReactiveDict and ...
2
votes
1answer
556 views

Ipfs. Adding files using http request in meteor

Good day, I've spent some time trying to upload file to ipfs using http request (from meteor). Meteor.startup(() => { // code to run on server at startup Meteor.methods({ ...
4
votes
1answer
1k views

How deploy a smart contract with meteor and metamask?

I will deploy a smart contract with meteor and matamask. My code in main.js : var inactivityTime = 1000; var continuityContract = web3.eth.contract(Continuity.abi); var continuity = ...
5
votes
2answers
7k views

Where is the geth.exe in the Ethereum mist?

I'm running Ethereum Mist on Windows 7. Mist Version is 0.8.6. I can't find the geth.exe in the Mist github. https://github.com/ethereum/mist In the version 0.8.2, the geth path was "mist\nodes\...
2
votes
1answer
332 views

Need an example to make a state variable reactive in Meteor

I'm having trouble properly understanding Meteor's reactivity and it's relation to contracts. I've included the Ethereum Meteor packages ethereum:web3 and ethereum:blocks and read that EthBlocks....
3
votes
1answer
291 views

How to reduce eth.filter.watch delay?

I have a test contract that emits events. I'd like to create a web app that shows a list of all created events + new ones as they arrive. I'm using Meteor app connected to geth 1.4.10 through rpc. The ...
2
votes
0answers
294 views

How to work with MeteorJS in Truffle?

Truffle has not out of the box support for MeteorJS. Does this mean that meteor is not supported by Truffle? How easy is it to bring it together?
6
votes
1answer
496 views

Workflow for Dapp Development

There is so much information out there that turns around this point that I decided to make a post, can someone please help out? Does that sound correct as a work-flow for medium/large size projects ?:...