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Results tagged with metamask
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user 4181
Question about the Metamask chrome's plugin.
1
vote
Accepted
Is possible accept/confirm transactions with a webapp like metamask?
NOT SAFE FOR PRODUCTION !
Option 1: NodeJS server receiving HTTP calls and sending RPC calls to node with unlocked wallet, with NodeJS server returning data (like transaction verification) via HTTP r …
- 3,408
13
votes
Accepted
MetaMask injected Web3 not working in HTML file
MetaMask is injected into every loaded page by default. How did you serve your dApp ? … Quote from https://github.com/MetaMask/faq/blob/master/DEVELOPERS.md :
Due to browser security restrictions, we can't communicate with dapps
running on file://. …
- 3,408
0
votes
I deployed my contract using Remix solidity compiler and Metamask but i don't know how to de...
for this you should chek out the following development framework, called Truffle. They have a great documentation and lots of tutorials. https://github.com/trufflesuite/truffle Have fun.
PS: You wil …
- 3,408
0
votes
Send a transaction with Meteor in the JS file without click "submit" in metamask
If you really need to do this through a website frontend, you can initialize web3 yourself and set up a local node as its provider, having an account permanently unlocked. This is, of course, risky, a …
- 3,408
0
votes
Accepted
How to authenticate user using passphrase?
Simply use
web3.personal.unlockAccount("0x..", "<passs>", 1000);
You can find useful information in this here.
- 3,408
2
votes
Accepted
Metamask, Remix IDE: Cannot create an account: Error: Internal JSON-RPC error
Just restart it and make sure you tell Metamask the correct port. If it's the Ropsten/Main Network, try restarting your Browser. …
- 3,408
0
votes
Error: gas required exceeds allowance or always failing transaction at chrome-extension
Your code is missing the constructor() function, see here.
- 3,408
0
votes
Accounts with ether cannot execute transaction on private chain
Depending on how you configured your PoA network, it could be you disallowed transaction sending for everyone and instead set up the permission-only setting: https://wiki.parity.io/Permissioning
- 3,408
0
votes
How to use metamask for etheruem dapp
With metamask, Web3 is an object injected into the site the user is on. You cannot "send" it to a nodejs application. …
- 3,408
4
votes
Accepted
Deploy smart contract to mainnet with Infura and MetaMask
You can import it into MetaMask with the private key and later return the unused ETH. … EDIT: Of course you're also free to use the mnemonic from MetaMask. …
- 3,408
2
votes
Block gas limit exceeded when compiling contract Solidity browser
You will need to put some of the things, like safemath, into a library contract, which you can deploy as separate contracts. Else there is no way for you to shrink the gas costs.
- 3,408
0
votes
truffle migrate hanging on Deploying Migrations
From line 13 in your migration script, please try the following changes for the subsequent three lines:
deployer.deploy(TahaCoin, { from: owner }).then(function(instance) {
console.log("TahaCoin ad …
- 3,408
1
vote
Accepted
How does MetaMask's TRANSACTION DATA work? How to interact with smart contracts by only usin...
So is it possible to call setNickname(bytes32 nickname) with MetaMask using the Transaction Data field? … This is the encoded data to paste into the datafield in metamask when wishing to execute a contract function on a transaction. …
- 3,408