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14 votes
Accepted

What does the Web3 "BigNumber not a base 16 number Error" mean

I saw this when my blockchain wasn't fully synced. The contract was expecting a string to be returned, but since that string hadn't been set yet it was returning null, which would blow up on parsing. ...
Steve Ellis's user avatar
  • 1,357
13 votes
Accepted

How to remove The DAO contract from Ethereum Wallet (Mist) watch list as it is freezing?

Trashcan Click on the contract you want to delete. On the contract page, hover over the name. You see a trashcan. Click on this to remove the contract. EDIT: As noted by @Vesa, you may not be able ...
BokkyPooBah's user avatar
  • 40.3k
10 votes
Accepted

Solidity Error: Doc tag @notice not valid for statements

The issue was the following: /// TODO: careful Apparently /// is treated specially by the Solidity compiler and lead to the error. Removing it fixed the issue. comments added with /** my comment *...
Symeof's user avatar
  • 1,444
9 votes

What does the Web3 "BigNumber not a base 16 number Error" mean

This is a reproducable bug in web3.js. ref. https://github.com/ethereum/web3.js/issues/434
q9f's user avatar
  • 32.9k
6 votes

getTransactionCount with 'pending' not working?

This is indeed a bug, as confirmed recently by members of the geth team. Bug Report Until then, you will indeed need to manage nonce on the application side.
Andrew Warshaver's user avatar
6 votes

Saving ether from a corrupt ether wallet

Yes, wallet files can be corrupted however, if the wallet was corrupt, you would not be able to decrypt / access it, so that is not the issue. I'm waiting on kvhnuke to get off work to see if he can ...
tayvano's user avatar
  • 16k
5 votes

What does the Web3 "BigNumber not a base 16 number Error" mean

From the Github issue: The BigNumber() is not a base 16 number error can happen in many cases, yet the causes are not necessarily the same. I believe the original post's issue is with using ...
k26dr's user avatar
  • 861
5 votes

Solc Compiler oversight? Innappropriate mapping declaration overwrites storage

Opened an issue here, github, ethereum, solidity, issue 1731: https://github.com/ethereum/solidity/issues/1731 If I understand their process correctly, original issue 1731 is closed by issue 1737 ...
Rob Hitchens's user avatar
  • 55.3k
5 votes
Accepted

Error with: meteor add ethereum:web3

In windows cmd: meteor add ethereum:web3@=0.18.3 Just add the previous version, worked for me.
Miguel Díaz Montiel's user avatar
4 votes
Accepted

Constructor not working properly

It's a critical bug in solc. Ref: https://github.com/ethereum/solidity/issues/485
q9f's user avatar
  • 32.9k
4 votes

Event.watch gets fired infinitely many times

This bug was apparently due to the fact that: After calling eth_getFilterChanges testrpc reports the events, and forgets that it reported it for current block, so when the next eth_getFilterChanges ...
tayvano's user avatar
  • 16k
4 votes

Mining with geth on private network hangs indefinitely

I had a similar issue. If you are running in a virtual machine. Make sure you allocate enough ram memory. I used 800MB initially and mining did not work (Hash rate was very low). Allocated 2GB of ...
Grant Mind's user avatar
4 votes

Calling a constant function with no arguments using async

This is a decoding bug in web3.js. I assume it has to do with the string decoding. Please submit an issue in the web3 repo. I will look at this in the 1.0 branch
Fabian Vogelsteller's user avatar
4 votes

(Parity) How do I correct "columns families not opened"

The cause of this is probably a corrupt database, itself caused by Parity having previously been shutdown in an ungraceful manner. The error you're seeing is covered by issue #2201, but was fixed in #...
Richard Horrocks's user avatar
4 votes

(Parity) How do I correct "columns families not opened"

This is often caused by a corrupted database and can be solved by resetting it completely with: parity db kill This wipes the chain and the state and causes a full resync, but enables you to use ...
q9f's user avatar
  • 32.9k
4 votes

Error with: meteor add ethereum:web3

Using $ meteor add ethereum:tools worked for me. As you may see below, it added web3. Thanks 3stack:bignumber added, version 2.0.0 amplify added, version 1.0.0 ...
Njpp's user avatar
  • 41
4 votes
Accepted

Incorrect Uniswap Liquidity Calculations. What could be wrong?

There is no bug. This address holds exactly 0 liquidity token for the wOxen-USDT pair. Accordingly, Uniswap info shows 0$ as liquidity provided. How come, you may ask, since $30K+ were provided as ...
Undead8's user avatar
  • 3,600
3 votes

getTransactionCount with 'pending' not working?

The bug has been fixed in version 1.8.21 https://github.com/ethereum/go-ethereum/pull/15794
yjjjnls's user avatar
  • 63
3 votes

Why can't I send ETH? (Mist 0.7.2 OSX Yosemite)

Using Ethereum Wallet 0.7.3 with geth 1.4.3-rc solved the IPC Issue for me. For that geth needs to be downloaded from https://github.com/ethereum/go-ethereum/releases since the geth version shipped ...
m0se's user avatar
  • 91
3 votes

Why can't I send ETH? (Mist 0.7.2 OSX Yosemite)

I just encountered the same issue yesterday trying to send ethers to TheDAO. It's an issue with the IPC connection. See my answer to Is the Mist Wallet stable? for details on how to diagnose it (...
BokkyPooBah's user avatar
  • 40.3k
3 votes

Why can't I send ETH? (Mist 0.7.2 OSX Yosemite)

There is a bug in 0.7.2 (as well as some previous versions?) that seems to occur when you use the "send everything" function to send to a contract. If you send everything but 0.1 ETH the transaction ...
tayvano's user avatar
  • 16k
3 votes

Why is the geth ipc file not being created, even though it says "endpoint opened"?

(This page will be reorganised when this problem is solved) EDIT 30/04/2016 @spraff, looking at your latest data: Miner produces this output when started with geth --networkid 1100 --maxpeers 5 -...
BokkyPooBah's user avatar
  • 40.3k
3 votes

How do I know that I am mining?

It seems you have an issue with coloured output in your geth client. The ←[31m0←[0m are colour codes which were not interpreted by your terminal. However, if you ignore everything between ← and m you ...
q9f's user avatar
  • 32.9k
3 votes

Alethzero QOpenGLWidget issue

Yes, unless you have a specific need to build from source yourself, I would agree that you are better off just using the PPA. http://www.ethdocs.org/en/latest/ethereum-clients/cpp-ethereum/installing-...
Bob Summerwill's user avatar
3 votes
Accepted

Problem while generating DAG for Epoch 1 with geth

There seems to be an open bug related to the issue-issue-3056 The present solution which works for me , I run folowing command before mining again geth makedag <blocknumber> <ethash dir ...
Ajay's user avatar
  • 499
3 votes

Nested structs that are part of a mapping broken in Solidity 0.5.0?

You can solve it by removing the word public from the mapping. The storage structure itself is acceptable and can be expected to work. However, the "free" getter for such a structure is not ...
Rob Hitchens's user avatar
  • 55.3k
2 votes

What else could cause geth node loosing peers over time?

We've seen occasional reports of such behavior, alas given that it needs 2-3 days to crop up we haven't been able to reproduce it ourselves (I personally have both main net and test net nodes running ...
Péter Szilágyi's user avatar
2 votes

Why can't I open Mix?

I downloaded the binary from here and it works on my system (OSX El Capitan). Mix is under hard development as I understand so a thing might be working today, but broken tomorrow. Just have a bit of ...
samurai jack's user avatar
  • 1,125
2 votes

Mining with geth on private network hangs indefinitely

We had a very similar problem. Updating Geth to the latest version and deleting and rebuilding the DAG appears to have fixed the problem
Peter Munnings's user avatar
2 votes
Accepted

How to detect an log is removed nor not

It is a bug which has been described in github issue, here is the link, it has been fixed in the develop branch, but no release has been published
rong jialei's user avatar

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