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1500 questions
11
votes
3 answers
How to remove custom tokens from mist?
In the MIST wallet (0.5.2) I somehow managed to create a Watch Token contract which was not correct and then it showed up like this: the one in the middle.
It is greyed out and I want to delete it, but unable to do so.
As you may be aware you can…
skywave
- 113
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11
votes
2 answers
How does Ethereum avoid address collision?
Recently PillarProject reported an issue where there was collision (?) of sort. Apparently their smart contract address on Rinkeby testnet matched with real address on the mainnet.
I am aware that smart contract addresses don't have private key…
Parthasarathy Ramanujam
- 850
- 9
- 18
11
votes
4 answers
Is there API to create Ether wallet?
I know how to create wallet manually, however I would not like to take my clients out of website (I doubt anyone would) and would rather do their wallet creation behind the scenes when they register on website.
At first I was thinking of building…
Matas Vaitkevicius
- 234
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- 9
11
votes
2 answers
Some characters in Ether addresses have changed to capitals after upgrading Mist
I recently upgraded Mist from 0.3.9 to 0.5.0. I have noticed that the capitalisation of some of the characters in my public address have changed. Is this normal?
calkob
- 111
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- 3
11
votes
2 answers
Constructors of inherited contracts in Solidity
Given:
contract A {
address owner;
function A() { owner = msg.sender; }
}
contract B is A {
string greeting;
function B(string _greeting) { greeting = _greeting; }
}
When I deploy my contract, I want to make sure that owner is…
Jossie Calderon
- 792
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11
votes
5 answers
Cannot allocate big buffer - Not enough graphics memory?
I am using Claymore's Dual Ethereum v9.5
Here is my config file:
setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100
EthDcrMiner64.exe -epool…
user6800816
- 213
- 1
- 2
- 4
11
votes
1 answer
Can ethereum really make a safe decentralized exchange?
I see there are a few ethereum decentralized exchanges out there. Are they really safe? Is there one currently in existing? Will this save me from getting MTgoxed in the future?
high110
- 4,756
- 1
- 21
- 43
11
votes
2 answers
What is PolkaDot in layman's terms?
So I was trying to dive into the polkadot paper by Gavin Wood, co-founder of Ethereum and founder of Parity. But it seems to be too advanced for my current level of understanding. In layman's terms what exactly is polkadot?
Here is the link to the…
Atif Ali
- 213
- 2
- 7
11
votes
2 answers
Did I generate an existing Ethereum address in Parity?
I don't know if I'm going a little bit mad here, or if this is actually an Ethereum address collision. I have installed Parity onto a brand new computer that I had custom built. The machine had not been turned on before today.
During Parity set up I…
Samuel Hawksby-Robinson
- 1,720
- 1
- 13
- 28
11
votes
4 answers
Proving the Existence of Logs to the Blockchain
To preface this: I'm not entirely sure this question makes any sense. Just a thought I had that I wanted to check the feasibility of.
I'm pretty sure it is possible to use a Merkle proof to show that a transaction was included in some block, and I…
Nate Rush
- 770
- 6
- 13
11
votes
3 answers
What is the best practice to store and retreive large data in solidity smart contracts?
Assume, I have an event creation page with some form fields in UI. And I have a smart contract to store the event in events mapping or the public array in some struct format.
struct event{
bytes32 name;
uint time;
}
event[] public…
Seetharaman GR
- 851
- 1
- 7
- 14
11
votes
1 answer
Is it safe to publicly host a parity node?
In the normal use case, Parity runs on localhost. However, I'm building a demo web site that uses Web3JS to connect to a public parity node running on port 8545.
I am publicly serving a Node/VueJS site using nginx. The client-side Web3 javascript…
nu everest
- 397
- 1
- 5
- 18
11
votes
2 answers
Does a light client require a chain of trust towards full nodes?
A full client does not need to trust any individual node on the Ethereum network, as the full client can see the activity from all nodes and discard any inconsistencies caused by ill intentioned nodes
Does the same apply for a light client, or does…
zanzu
- 5,360
- 4
- 25
- 43
11
votes
1 answer
Who pays gas when a contract function that creates/calls another contract is called?
If I call a function of Contract1, that creates/calls another Contract2.
Who pays the gas used to call Contract2 ?
I think it's Contract1 - the second msg.sender. In that case, how can I make the original msg.senderpay?
Hcharlanes
- 1,135
- 1
- 11
- 10
11
votes
1 answer
Foundry not outputting console.log
Followed docs at https://book.getfoundry.sh/reference/forge-std/console-log
Tests are passing but console.log is not doing anything. I excepted it would print the output in the terminal.
Test contract is as follows:
pragma solidity =0.8.17;
import…
Delvir0
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