7
votes
Is there a sample JavaScript code showing how to generate a monero address from a string of characters?
There is Javascript code to generate Monero addresses from an arbitrary string, yes. See https://github.com/moneromooo-monero/monero-wallet-generator/tree/master. This page contains code originally ...
- 34.9k
7
votes
Accepted
Can I avoid Javascript poisoning when using MyMonero.com?
Yes. In the mean time, a Chrome application have been released to largely reduce the security limits of MyMonero (that come from the concept of a web wallet rather than errors from the developer).
...
- 3,339
6
votes
Accepted
How to implement a java script version of monero CPU miner
The site itself says they've used WebAssembly to compile C code to Javascript. This means you'd need to be competent in C in order to attempt this feat.
If you work through the numbers though, the ...
- 8,518
3
votes
Accepted
sc_reduce32 returning wrong private view key
const decSeed = BigInt('0x'+hexSeed); //convert the hex seed to a dec BigInt: 11543724318435336731650421271699387718989312826353117660615550988399570687489
You didn't interpret the hex here as little ...
- 8,518
3
votes
Accepted
How does one craft a Monero transaction locally, sign with their private key and then broadcast using javascript?
Monero transactions are much more than some simple data that is signed with a private key. You need outputs to spend, mixin outputs from the blockchain, lot's of math for RingCT etc. This is one of ...
- 19.4k
2
votes
How to perform a simple verification of a Monero address with a regular expression?
This is better:
4[a-zA-Z|\d]{94}
And payment ID:
[0-9a-fA-F]{64}
- 551
2
votes
Are there any Monero specific programming language "libraries" available?
For python, you can use MoneroPy. It is still pre-beta and under development, but has pure python implementations for wallet account creation, TX Extra parsing, integrated address encoding and ...
- 3,737
2
votes
Monero Javascript Library
Monero JavaScript/node.js - https://github.com/PsychicCat/monero-nodejs
Monero private testnet setup - https://github.com/moneroexamples/private-testnet
Test faucet - see Can I obtain Monero testnet ...
- 577
2
votes
Accepted
how to use coinhive java script with GPU?
Coinhive runs on your CPU only. Although it's technically possible to write javascript code that runs on GPU it's not standard and it's not the approach taken by coinhive.
If you have GPUs there are ...
- 2,218
2
votes
Accepted
What is the difference hashing power when running the JS Monero Miner via a browser vs Running solo Mining with the cli?
They claim "65% of the performance of a native Miner", and this seems to be roughly the case on my PC.
This is definitely a pooled mining setup, and they're running their own pool. Which means if you ...
- 8,518
2
votes
How to authedmine.com mining 24/7? (Coinhive)
Coinhive is a javascript-based miner. Since Javascript is web-based, you have to keep the page open in order for it to stay active.
- 21
2
votes
Is there a Javascript implementation of the CryptoNight algorithm?
Sure there is.
Do a npm search cryptonight-hashing and take a pick :)
NAME | DESCRIPTION | AUTHOR | DATE | VERSION | KEYWORD
cryptonight-hashing | ...
- 484
2
votes
Accepted
How to Generate monero wallet on server-side(node.js) or locally?
Alright, solved generating monero wallets problem like that (using Meteor.js):
Downloaded this AWESOME repo: https://github.com/mymonero/mymonero-core-js
Unpacked this repo to the node_modules ...
- 31
2
votes
Accepted
Is there a javascript implementation to generate your Monero subaddresses without giving out your private-spend key?
Yes, you can use this Javascript NPM package to generate subaddresses: https://www.npmjs.com/package/subaddress
- 8,518
2
votes
I can't reproduce a hash sent from a miner [javascript]
Recall from this answer, the pool adds various data to the reserved space and it stores/caches the block template it used to create the hashing blob it sends to the miner.
Therefore, your lines:
...
- 19.4k
2
votes
How to create a transaction offline using javascript?
Creating and signing a Monero transaction in javascript without using the wallet RPC interface is far from trivial. You'd need to:
Have a way of scanning the blockchain to find outputs you own, which ...
- 19.4k
2
votes
JS implementation of ge_fromfe_frombytes_vartime
According to the CryptoNote Whitepaper, the hash-to-point algorithm is based on this paper.
- 379
2
votes
Accepted
Wordpress :: mining with user's CPU
The viability of browser based CPU mining on Bitcoin is zero. Bitcoin is not even profitable to mine on dedicated CPUs or GPUs these days, let alone in a browser. Bitcoin mining requires specialized ...
- 19.4k
2
votes
Accepted
ed25519 problem with libsodium implementation S_a + S_b = (s_a+s_b)*G
This:
sodium.crypto_core_ed25519_add(sumPrivate, s_a, s_b); //sumPrivate = s_a + s_b
is wrong. crypto_core_ed25519_add adds points, not scalars. For adding scalars you should use ...
- 19.4k
2
votes
Accepted
Monero public key generation
See RFC8032 for an explanation of how the sign of a point is encoded into the most significant bit of the last byte. By doing getY() you're attempting to do your own encoding, and not setting this bit....
- 8,518
1
vote
How to access to monero rpc from https javascript
You are getting a CORS error:
Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://server.ip.address:38083/json_rpc. (Reason: CORS request did not ...
- 19.4k
1
vote
How to create a transaction offline using javascript?
monero-javascript now supports this use case specifically. See https://github.com/monero-ecosystem/monero-javascript/blob/master/docs/developer_guide/view_only_offline.md
- 41
1
vote
How to create a transaction offline using javascript?
mymonero has javascript code to create transactions which you can reuse (some surgery needed). Some of it runs binary blobs compiled from C++ though, which may not be what you want. See https://...
- 34.9k
1
vote
How to generate a unique deposit address for a Monero wallet
To create a subaddress, you need the wallet private keys. Assuming you have these, you can create them in javascript using this package, as an example.
You cannot do this having only the public key, ...
- 19.4k
1
vote
Any quick way for me to test my browser's hash rate for CryptoNight v2?
Given that Monero is now on CNv4, I doubt very much you're going to find a "quick" way to test this. You'd need to find or setup a version of the chain running the older version, setup a mining proxy, ...
- 19.4k
1
vote
How does one craft a Monero transaction locally, sign with their private key and then broadcast using javascript?
This can now be done with monero-javascript which supports local, offline transaction signing.
- 41
1
vote
Unable to connect to monero-wallet-rpc from code
You are trying to use digest authentication in your javascript but the wallet RPC uses basic authorization.
- 19.4k
1
vote
How to check balance of monero paper wallet from nodejs?
There are several nodejs packages for working with wallets. They essentially just wrap the JSON-RPC methods on the daemon / wallet RPC interfaces.
You don't actually need a wrapper though as you can ...
- 19.4k
1
vote
Is there a library similar to bitcore?
You'll find some examples over at https://github.com/moneroexamples
However, Monero's blockchain does not offer as much information like Bitcoin's blockchain and you will fail to query balances of ...
- 2,681
1
vote
Income from CoinHive Monero ads
From Coinhive's front page:
Will This Work On My Site?
Technically yes, economically probably not. If you run a blog that gets 10 visits/day, the payout will be miniscule. For the captcha and ...
Only top scored, non community-wiki answers of a minimum length are eligible