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Unanswered Questions

7,155 questions with no upvoted or accepted answers
16
votes
0answers
339 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....
14
votes
2answers
1k views

Is there a way to disable a warning in solidity code?

I'm writing unit tests for some contracts and in some of the tests I'm generating a warning on purpose and solc will display this warning when compiling. Is there a way to disable warnings in solc ...
13
votes
0answers
143 views

zk-SNARKs vs. Zk-STARKs vs. BulletProofs?

zk-SNARKs, Zk-STARKs and BulletProofs are three major zero knowledge proofs to provide privacy for the blockchain technology. If we can compare them, (1) Bulletproofs and Zk-STARKs require no ...
12
votes
1answer
692 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{ ...
11
votes
2answers
584 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?
9
votes
1answer
375 views

In web3.js, how do I accurately find total gas cost to deploy a new contract (including constructor)?

I am using a public node as my web3 privider, so I must sign all transactions manually. This includes transactions that create contracts. Currently, I use the following method to deploy contracts. ...
9
votes
1answer
1k views

Persistent “deep transaction reorg” whilst syncing full geth node

Whilst syncing a new full node using the geth comand "geth --syncmode full", every other line after a few hundred blocks I see the following: WARN [12-02|02:30:46] Skipping deep transaction reorg ...
9
votes
1answer
427 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
294 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
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
478 views

Parity - Token disappear

love parity, great Ethereum Client and a stunning pace of progress. If the developers read this: Much thanks! But there is one little tiny bug ... When I start parity and open the visual wallet in ...
8
votes
1answer
390 views

Difference between “specific” and “generic” proxy functions and how/when to use them

Hello I am trying to build a proxy contract and I've seen two approaches: 1- "Specific" proxy function, where the proxy function can only call a specific function of the other contract. Ex: (taken ...
8
votes
1answer
466 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
0answers
221 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
2answers
593 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 = ...

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