Unanswered Questions
6,693 questions with no upvoted or accepted answers
18
votes
0answers
432 views
E/Go: fatal error: thread exhaustion
I am experimenting with the geth-android library with light-client and in-process node from @karalabe. I could successfully sync with the testnet node from @phonikg, unfortunately this one is down now....
12
votes
2answers
690 views
Deploying a contract from a multisig wallet
I created a multisig wallet using Mist, but don't know how to deploy a contract from the wallet address. Is it even possible? If so, how to do this?
12
votes
1answer
738 views
Trying to compile example code from pyethapp tutorial
I am trying to follow this example:
https://github.com/ethereum/pyethapp/wiki/The_Console
However, at the point where I should compile the code, I get an error:
In [34]: print c
contract NameReg{
...
9
votes
4answers
1k views
How to use web3.js@1.0.0-beta34 with TypeScript?
Here is a minimal code for testing:
import * as Web3 from "web3"
const web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:7545"))
const main = async () => {
const blockNumber = ...
9
votes
1answer
489 views
Configure Truffle Compiler: Default Import Folder
I want to use an external library. I guess it is good to load the library in production from a CDN because this requires less space and should be faster.
import "github.com/Arachnid/solidity-...
9
votes
0answers
349 views
Peermanager is unable to connect to nodes
I'm following this guide and am trying to create a private network with its own block chain and peers.
I managed to install docker following this guide (I'm using a debian 8 jessie virtual machine) ...
8
votes
1answer
238 views
Plasma chain with ERC721 tokens as miner reward?
Hello ladies and gents,
Crypto Kitties got me thinking, and I was wondering if it would be possible to host a PoW (or even PoS) Plasma chain, in which the tokens rewarded to participants are non-...
8
votes
0answers
1k views
Geth 6.2: miner.start() returns null and miner's hash-rate drop for all miners down due to the update
On Geth Version: 1.6.2-unstable miner.start() returns null, it used to return number of processes assigned. Is it normal? miner.start(num) num identifies the thread number?
> miner.stop()
true
>...
8
votes
1answer
539 views
Filtering on events of the entire blockchain not possible in testrpc via truffle
A contract I wrote has an event in its constructor.
Since I want to find it back in the logs it doesn't seem possible to start listening to the latest block.
Because the event is already 'fired' ...
8
votes
1answer
266 views
Geth 1.4.10 — faild enc handshake: EOF
Geth suddenly stopped working for me - when I run it on verbosity level 5 I get repeating error messages like the following:
dyn dial conn 120.27.122.174:30303 faild enc handshake: EOF
Any thoughts ...
7
votes
1answer
584 views
Using a high level delegate call in upgradable contracts since Byzantium
Since Byzantium we can implement upgradable proxy contracts much easier with the use of returndatacopy and returndatasize assembly instructions. This means we no longer have to register return types ...
7
votes
0answers
809 views
How to implement the ERC777 token standard?
Does anyone know how to correctly implement the new ERC777 token standard? I've been trying to create an ERC777 contract (see code below) but keep struggling with a couple of things.
According to ...
7
votes
0answers
791 views
What are the average transaction propagation times in Ethereum for reaching 50% and 95% of nodes?
What are the average transaction propagation times in Ethereum for reaching 50% and 95% of nodes? That is, once a transaction is generated on a given node, how long does it take on average to reach 50%...
7
votes
2answers
278 views
Is there the opposite function for evm_increaseTime?
I'm using the following function in my JS tests (with truffle) to move forward in time to test time dependent functions:
const timeTravel = function (time) {
return new Promise((resolve, reject) =&...
7
votes
1answer
322 views
getting started with geth and ENS commands: Error: invalid address
I'm starting from square zero, sorry. I'm just trying to get a javascript console up and running so that I can learn more about ENS:
http://docs.ens.domains/en/latest/userguide.html#resolving
I've ...
