embark-framework/Lobby

Framework for Ethereum DApps

Embark Bot

@embarkbot_gitlab

jacob@discord https://github.com/jakubgs/dotfiles/blob/master/.config/nvim/init.vim#L31-L33 - this is all I need

jacob@discord and a well formatted git log

Jo@discord Yeah I use sourcetree for all my Git related tasks. It's super easy to use and makes comparing diffs, checking branches and a lot of other stuff easier

Jo@discord I know how to use the command line to do the same thing, but I really prefer having a UI

Embark Bot

@embarkbot_gitlab

michaelsbradleyjr@discord magit is wonderful, but requires using emacs :D
https://emacsair.me/2017/09/01/magit-walk-through/#start

Embark Bot

@embarkbot_gitlab

iurimatias@discord I should learn emacs one of these days, get a bit outside the vim bubble

iurimatias@discord I did use in the university, but I was no expert by any means

Embark Bot

@embarkbot_gitlab

michaelsbradleyjr@discord if I hadn't started working heavily with Clojure circa 2011/12 I don't think I would have gotten into it, probably would have stuck w/ vim. if spacemacs or doom-emacs had been around at that time I probably would have started there

michaelsbradleyjr@discord more than anything, the "killer app" that has me in emacs everyday I'm coding is magit

michaelsbradleyjr@discord otherwise I kind of plateaued several years and could probably be using emacs as a whole lot more efficiently

michaelsbradleyjr@discord dired too is so nice, I would kill for dired in vscode

michaelsbradleyjr@discord someone tried to make a dired-like plugin but abandoned it

Embark Bot

@embarkbot_gitlab

michaelsbradleyjr@discord otherwise I kind of plateaued several years ago in terms of my emacs fu, i.e. I could probably be using emacs as a whole a lot more efficiently

Siphamandla brian Mjoli

@Brianspha

@jrainville I keep getting this error message I've never used whisper before
UnhandledPromiseRejectionWarning: Error: Method shh_generateSymKeyFromPassword not supported please assist

This happens when i try to do this

const channelSymKey = await web3.shh.generateSymKeyFromPassword('some string');

@iurimatias

Jonathan Rainville

@jrainville

I'm no expert with Whisper, but I know that it's not supported in ganache for example. The message above seems to say that you are using a Node that doesn't support Whisper, could that be possible?

Embark Bot

@embarkbot_gitlab

iurimatias@discord was about to ask that

iurimatias@discord what node is it connecting to?

Siphamandla brian Mjoli

@Brianspha

Nah, im connecting to a node that has the --shh flag turned on

Embark Bot

@embarkbot_gitlab

iurimatias@discord is it geth? if so what version

Siphamandla brian Mjoli

@Brianspha

Yes geth v 1.9.2-stable-e76047e9

This is how i enabled the node

geth --datadir ./"BlockchainData" --syncmode full --ws --shh --wsaddr "0.0.0.0"  --wsapi admin,personal,db,eth,net,web3,txpool,miner,clique  --wsport 12000 --wsorigins "*" --port 10000 --rpc --rpcaddr 0.0.0.0 --rpccorsdomain "*" --rpcport 11000 --rpcapi admin,personal,db,eth,net,web3,txpool,miner,clique --bootnodes enode://6ce75a04deae05ed8bb3dd62f929afda96eaa175a3f6c6f915d48b23f30649a1a93d69a5b24f992251a55fb5417dfbceed9137ece18b29400b0adb47405577a3@127.0.0.1:9999 --networkid 1234 --gasprice 200  --ipcdisable --allow-insecure-unlock --keystore ./"BlockchainData/keystore"

Embark Bot

@embarkbot_gitlab

iurimatias@discord alright

iurimatias@discord so I suspect that, geth 1.9 probably uses a newer version of whisper

iurimatias@discord which web3 or that version of web3 does not support

iurimatias@discord I did some work with whisper recently, and recall some methods being removed in v6

iurimatias@discord in the case of parity for e.g, they don't seem to support that call at all anymore https://wiki.parity.io/JSONRPC-shh-module

Siphamandla brian Mjoli

@Brianspha

Cool, I've never used whisper before seems like its a mission to get right

Jonathan Rainville

@jrainville

You can use the EmbarkJS methods too to help with using the default Whisper API: https://embark.status.im/docs/messages_javascript.html#Listening-to-messages

Siphamandla brian Mjoli

@Brianspha

I've seen it work on the embark demo maybe I should use that, cool thats exactly what im doing now

Thank you

Jonathan Rainville

@jrainville

aight perfect

Siphamandla brian Mjoli

@Brianspha

Do you know if whisper is unit-testable? it seems to be failing or if theres a way of unit testing it?

Jonathan Rainville

@jrainville

Sorry, I don't know

Siphamandla brian Mjoli

@Brianspha

``
EmbarkJS.Messages.listenTo({
topic: ['topic1', 'topic2']
}).subscribe(message {
console.log('received: ' + message);
});

EmbarkJS.Messages.listenTo({
    topic: ['topic1', 'topic2']
}).subscribe((message)=> {
    console.log('received: ' + message);
});

is it suppose to be like the second 1

Jonathan Rainville

@jrainville

Yes, the first one is missing the arrow =>

This is from the demo:

EmbarkJS.Messages.listenTo({topic: [this.state.listenTo]}).subscribe(
      message => {
        messageList.push(<span>Channel: <b>{message.topic}</b> |  Message: <b>{message.data}</b></span>);
        this.setState({messageList});
      },
      error => {
        messageList.push(<span className="alert-danger">Error: {error.message || "Unknown Error"}</span>);
        this.setState({messageList});
      }
    );

Siphamandla brian Mjoli

@Brianspha

Thank you for the help

@jrainville

Embark Bot

@embarkbot_gitlab

cryptowanderer@discord Hello 👋 Does Embark have a comparable feature to this? https://medium.com/@sambrichards/how-to-interact-with-ethereums-mainnet-in-a-development-environment-with-ganache-3d8649df0876

Embark Bot

@embarkbot_gitlab

iurimatias@discord you can use the exact same command and connect embark to it

Embark Bot

@embarkbot_gitlab

3esmit@discord @rramos used to do that for snt-gas-relayer, but without this --fork feature. We called it "simulate" execution. How you did it, Richard?

Embark Bot

@embarkbot_gitlab

rramos@discord ah! it's a fork too 🙂

rramos@discord

let web3Sim = new Web3(ganache.provider({
            fork: `${this.config.node.ganache.protocol}://${this.config.node.ganache.host}:${this.config.node.ganache.port}`,
            locked: false,
            gasLimit: 10000000
        }));

rramos@discord but instead of starting ganache separately, the relayer creates its own ganache provider

Embark Bot

@embarkbot_gitlab

3esmit@discord Very cool! Seems like embark could implement this as a feature? Like, simulate mainnet? So it does everyything in this simulated forked chain.. some thigns to care would be nice to change "chainId", just to make impossible any replay mistakes

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