Search Results
| Search type | Search syntax |
|---|---|
| Tags | [tag] |
| Exact | "words here" |
| Author |
user:1234 user:me (yours) |
| Score |
score:3 (3+) score:0 (none) |
| Answers |
answers:3 (3+) answers:0 (none) isaccepted:yes hasaccepted:no inquestion:1234 |
| Views | views:250 |
| Code | code:"if (foo != bar)" |
| Sections |
title:apples body:"apples oranges" |
| URL | url:"*.example.com" |
| Saves | in:saves |
| Status |
closed:yes duplicate:no migrated:no wiki:no |
| Types |
is:question is:answer |
| Exclude |
-[tag] -apples |
| For more details on advanced search visit our help page | |
Results found
Search options not deleted
not closed
not duplicate
answers<= 1
6
votes
1
answer
1k
views
How are block proposals made in Casper?
A blog post says this about block proposals in Casper:
A NXT-style random number generator is used to determine who can generate a block at each height; essentially, this involves taking missing bloc …
- 61
3
votes
1
answer
1k
views
What optimizations does Geth's --jitvm do?
geth help has:
VIRTUAL MACHINE OPTIONS:
--jitvm Enable the JIT VM
--forcejit Force the JIT VM to take precedence
--jitcache "64" Amount of cached JIT VM programs
What optimizations does …
eth♦
- 86.5k
4
votes
1
answer
5k
views
How can I link my miner to my wallet?
I just started mining and everything seems fine but I don't know how to link my current geth account to a wallet. I've tried this:
How to import a plain private key into geth or Mist? and it looked l …
4
votes
1
answer
1k
views
Events doesn't fire executing transaction with web3 in testrpc
I'm executing the basic token contract found at https://ethereum.org/token:
contract tokenRecipient { function receiveApproval(address _from, uint256 _value, address _token, bytes _extraData); }
cont …
- 3,047
4
votes
1
answer
2k
views
Need help filling in GASPRICE and STARTGAS fields
I want to create my first transaction. There are several fields I need to fill in.
From ethdocs.org:
Transactions contain:
...
STARTGAS value, representing the maximum number of computational steps …
- 4,308
3
votes
0
answers
431
views
Can't Verify Contract on etherscan.io or etherchain.org
I've deployed a contract, which I generated using Mist but I can't seem to get it to verify.
At etherscan.io I keep getting the error:
Error! Invalid constructor arguements provided. Please …
- 31
2
votes
1
answer
492
views
eth-lightwallet: what is the difference between a functionTx and a valueTx?
In eth-lightwallet, there are two types of Tx creation functions;
txutils.valueTx(txObject)
and
txutils.functionTx(abi, functionName, args, txObject)
My guess is; although their inputs are very diff …
- 2,580
0
votes
1
answer
645
views
Remix Solidity compiler is giving error (Expected token Semicolon got 'Returns')
When I debug a similar contract in Remix:
function ConstructorFunction(uint _inputOne, uint _inputTwo){
callsAnotherFunction('string') returns (bool success);
}
I am returned this error:
contrac …
- 1,245
2
votes
1
answer
277
views
Blockchain use case – Trying to understand provenance tracking
I am trying to understand how blockchain would be helpful in provenance tracking of goods.
Example:
Company X is using blockchain technology to import pork into USA. Let us assume there are many agen …
- 241
1
vote
1
answer
615
views
What business cases can be made for using Ethereum as a platform?
I am not sure if this is the right place for a high level technology choice question. If not, please direct me to the appropriate forum.
Context
I am involved in a business that deals with payment pr …
- 1,248
0
votes
1
answer
275
views
Ethereum contract execution
If I write a Ethereum contract something like this (taken from https://solidity.readthedocs.io/en/develop/introduction-to-smart-contracts.html)
pragma solidity ^0.4.0;
contract SimpleStorage {
uint s …
- 249
1
vote
0
answers
127
views
What specific technical advantages, if any, for any use-case, does bitcoin have over ether
Please note: I have reviewed
What advantages and disadvantages does Ethereum have over Bitcoin? and
What (if anything) in Bitcoin is better than Ether in the application area of a payment system? b …
4
votes
1
answer
444
views
Will existing contracts behave differently when REVERT is implemented by Metropolis?
Solidity v0.4.10 introduced the revert() and require() functions, along with support for the REVERT opcode. As far as I can tell, this means that any contract compiled using ^0.4.10 will express diffe …
- 3,251
2
votes
1
answer
2k
views
How to get into a PoA (private) chain?
I followed this tutorial to set up a private chain with PoA some days ago.
And I run a PoA chain successfully.
But today I restart my server.
And I can't start (or get into?) the PoA chain which I set …
- 409
1
vote
0
answers
239
views
Ethereum raw data files folder
Where is the folder on Mac OSX where Ethereum put raw blockchain data? I find only *.ldb files, but as I understand it is only the index of full database.
For example, in Bitcoin there is blk*.dat fi …
- 111