All Questions
694 questions
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how to see all old commited transactions of a node in geth
I created a ethereum node using geth and I made certain number of transactions. All the transactions are mined and showing the correct balance.
How can I see all my old transactions?
Also I did ...
- 33k
3
votes
0
answers
339
views
not able to mine transactions generated on remote node
i have connected two nodes locally on my private testnet using admin.addPeer()
I0829 16:33:25.280649 eth/downloader/downloader.go:320] Block synchronisation started
I0829 16:33:27.187839 core/...
- 201
3
votes
1
answer
468
views
Why contract's function that is deploy inside Solidity browser does not deployed inside geth?
I have my private Ethereum Network.
Inside Solidity Browser:
From Web3 Provider I have connected to my local ethereum node.
I have pressed create button and successfully deployed my contract.
Now I ...
- 7,330
0
votes
0
answers
52
views
Speed up transaction processing in a private chain [duplicate]
Given a private chain where all transactions are sent with the same amount of gas and gasprice, is it possible to speed up transaction processing by lowering the complexity of a block?
Or by any ...
- 288
2
votes
0
answers
97
views
Transaction null even after getting mined
I am invoking a smartContract method to issue coin(cryptocurrency example). When I invoke the method the transaction is getting submitted and mined. refer the below transaction logs. But after that ...
- 33k
1
vote
0
answers
132
views
listen-ip is going for default
listen ip option in cpp-ethereum always takes default address 0.0.0.0 not the one we specify.
I give the following command
$./eth --upnp off --listen-ip 127.0.0.1
output is
cpp-ethereum, a C++ ...
- 33k
2
votes
1
answer
330
views
Is there a distinguishing characteristic of a 'contract creation' transaction?
Look at this transaction:
https://etherscan.io/tx/0x37c469573ca24f538d91f39e9d0b8d49927a36d70496ef74521cbf5c44a056d4
In geth's console, if I enter:
eth.getTransaction('0x37c4...')
It returns ...
- 40.4k
2
votes
0
answers
265
views
Need help to run a function on contract but get Big Number error [duplicate]
var myContract = web3.eth.contract(abi)
var myContractInstance = myContract.at(address)
myContractInstance.func.call()
Get Error:
new BigNumber() not a base 16 number:
EDIT:
if anyone comes ...
- 103
2
votes
1
answer
156
views
cpp-ethereum could not punch through NAT error
I have cloned the cpp-ethereum for Linux (Ubuntu) from git as follows:
$ git clone https://github.com/ethereum/cpp-ethereum
$ cd cpp-ethereum
cpp-ethereum$ git checkout ...
CommunityBot
- 1
4
votes
1
answer
1k
views
cpp-ethereum develop json error
I have cloned the cpp-ethereum in Linux (centOS) from git as follows as suggested in cpp-ethereum-develop cmake error
git clone https://github.com/ethereum/cpp-ethereum
cd cpp-ethereum
git ...
CommunityBot
- 1
3
votes
1
answer
371
views
cpp-ethereum build error
I have cloned the cpp-ethereum in Linux (centOS) from git as follows as suggested in cpp-ethereum-develop cmake error
git clone https://github.com/ethereum/cpp-ethereum
cd cpp-ethereum
git ...
CommunityBot
- 1
1
vote
1
answer
334
views
cpp-ethereum-develop cmake error [duplicate]
I have downloaded "cpp-ethereum-develop" zip file from github and unzipped it.
While executing "cmake eth"
It gives the following error.
Unknown CMake command "eth_simple_add_executable".
CMake ...
- 33k
3
votes
0
answers
242
views
c++ ethereum could not open wallet
Created 3 accounts as follows:
$ eth account new
Couldn't open wallet. Does it exist?
Enter a passphrase with which to secure this account:
Please confirm the passphrase by entering it again:
...
- 33k
2
votes
1
answer
319
views
How to specify custom directory with c++ client
With the Go client, one can use the following command to create new accounts/keystore in a specified data dir:
geth --datadir ./data account new
While using the C++ client, there is no such option:
...
- 524
2
votes
0
answers
96
views
Multiple arguments and return params
Sorry for a newbie question.
I'm designing a smart contract wherein I need to send in many( around 50) arguments to a setter method and return a list of same number of arguments in a getter.
So ...
- 133
3
votes
1
answer
292
views
5th time downloading Blockchain 15 days
I started with geth wallet the first time. Got to near the finish and it started itself over at the beginning. The last four times have been with parity, which seems to queue forevever and then ...
CommunityBot
- 1
1
vote
0
answers
172
views
Need OpenCL library for cpp-ethereum on Alpine
I am trying to build cpp-ethereum on Alpine, and I quickly discovered that I don't have quite the same set of libraries available via apk that I have on Ubuntu via apt-get. I have built leveldb, ...
- 524
4
votes
1
answer
4k
views
How to download/install alethzero ethereum client download windows 10?
I am new to Ethereum and when i see some videos i found they are using alethzero ethereum client installed and running contracts.
I am unable to find from where can i download alethzero ethereum ...
eth♦
- 86.5k
5
votes
0
answers
377
views
Trying to send ETH from Mist Wallet to Poloniex, received ETC instead [closed]
I want to send both my ETC and ETH to Poloniex.
I have a basic understanding of the DAO fork and know nothing about programming. I googled something about a replay attack and using a split contract. ...
1
vote
0
answers
36
views
finding an address in a sharded ethereum
In the future, Ethereum shall be a network of blockchains, all joined by a common root. This will allow for performance improvements in addition to the use of the proof of stake consensus.
Having a ...
- 2,223
3
votes
1
answer
257
views
Mist unable to send transactions?
I tried to send a small amount to a second account using mist however the transaction disappeared from my transaction list, and nothing showed up in my account. I believe the small amount was still ...
CommunityBot
- 1
1
vote
1
answer
583
views
My transactions are kind of stuck!
I have sent this transaction to testnet through json-rpc with my geth node using eth_sendTransaction method and the following parameters:
"from": "0x3b877e80b5c0b29d88f3768ed4292b35fdd93a9d",
"to": "...
CommunityBot
- 1
3
votes
1
answer
1k
views
contract.address is undefined when deploying a contract with cpp-ethereum and ethconsole
I want to create new contract using cpp-ethereum (built from source) and
ethconsole. I followed this guide: https://www.ethereum.org/greeter.
I modified the contract to contain only one class ...
- 7,386
3
votes
0
answers
41
views
Mix Missing on OS X Mavericks
I'm trying to install Mix-IDE on OS X 10.9.5 (Mavericks), but failing.
I tried using the binaries for Yosemite from the webthree-umbrella release page, but they crash on startup (pretty predictable).
...
- 131
2
votes
1
answer
234
views
How can I use Internet to carry out transactions that I do from geth console?
I have read RPC communications from Internet can be forwarded to geth console. But I have no hint on How? How can I use rpc port to carry out transactions over Internet that I performed using geth ...
- 5,284
2
votes
3
answers
530
views
Is it possible to build stand alone application which can interact with ethereum client and block chain?
I am trying to develop a stand alone application in c++ using the c++ libraries provided for building cpp-ethereum client (http://www.ethdocs.org/en/latest/ethereum-clients/cpp-ethereum/building-from-...
- 184
2
votes
0
answers
179
views
Including contract-driven transactions in historical transaction script results
The goal is to create a .csv file of all ethereum transactions essentially a large table with these columns
blocknumber, timestamp, fromaddress, toaddress, value
I wrote this script to run in the ...
eth♦
- 86.5k
2
votes
0
answers
2k
views
Building ethminer on Win7 using CMake & VS2015
I'm trying to build ethminer on a windows box and am Visual Studio 2015 fails. The steps that I take are the following:
Download ethminer/cpp-ethereum and install dependencies using the command line ...
CommunityBot
- 1
1
vote
0
answers
125
views
Where to put message (=data, payload) in geth transaction [duplicate]
Basic transaction in geth is
eth.sendTransaction({from:sender, to:receiver, value: amount})
if I want to put some HEX message (eg.FF) to this transaction, where do I put it?
- 33k
5
votes
1
answer
136
views
Testnet tx reappears after 90 blocks
At some point, the local Geth node reported tx 2e7a57c55a7cb28d0e233d7745210dba93c09f14c5df4e879db1a530a79a842a in the block 1369316 on testnet. It then disappeared from the chain at some point during ...
CommunityBot
- 1
1
vote
1
answer
603
views
ethminer -G Segmentation Fault [duplicate]
I'm having a very weird issue... My rig has 3 RX 480 and it seems unstable as soon as I install the driver. I've tested all OS (windows 8 32 bits, 8.1 64 bits, Windows 10, Ubuntu server) and I'm now ...
- 776
2
votes
1
answer
4k
views
Mining Nanopool for 24H with Radeon RX 480 and yet no shares found
I am mining with Ethminer in Nanopool for around 24h (or more) and I still didn't find any shares so my account is not yet created in Nanopool. I think this is not right.
I use the miner like this:
...
- 185
2
votes
0
answers
82
views
how can we get ledger way of Debits/Credits happened on blockchain
i am using geth and want to have a list of all the transactions (debits/credits) happened on my privatenet. like the way ledger is being used.
is there any way to do this? and how to get all the ...
- 333
5
votes
1
answer
2k
views
Create a new contract by JSON-RPC of cpp-ethereum
I want to create a new contract by JSON-RPC and cpp-ethereum.
I find out eth_sendTransaction can help me to do this.
And let do it, I need to set "to" parameter like that:
to: DATA, 20 Bytes - (...
CommunityBot
- 1
3
votes
1
answer
2k
views
How does (current block number - block number of a given transaction) gives the confirmation count?
I found a discussion here How do I get the number of confirmations on a transaction in geth or any other tool? that give the solution as:
web3.eth.blockNumber-web3.eth.getTransaction(<txhash>)....
- 11.7k
1
vote
0
answers
70
views
What do the progress bars on the Alethzero "blockchain download" window mean?
I'm exploring Alethzero. What do the progress bars in the "blockchain download" window mean? I'm seeing this:
I'm assuming this relates to the progress in dowloading the blockchain but I can't work ...
- 8,618
1
vote
1
answer
230
views
In simple ether transfer type transaction, does the balance of the sending address gets debited instantly?
As per What’s the role of the EVM in a plain ether transfer between Externally Owned Accounts?, one would expect that the sending account will get debited right after the transfer call. Yet, that does ...
CommunityBot
- 1
2
votes
1
answer
704
views
How can I get eth console?
I'm new to ethereum.
I downloaded eth, geth, and mix from https://www.ethereum.org/cli, but I can't find ethconsole.exe file in the zip file.
The only executable in the zip file is eth.exe. I tried '...
CommunityBot
- 1
4
votes
1
answer
2k
views
Transaction receipts, blocks and confirmations
In Bitcoin, there is a best practice to wait between three to six block confirmations before accepting an transaction. This is to avoid double spending. Are there similar rules of thumb in Ethereum?
...
CommunityBot
- 1
3
votes
1
answer
851
views
Geth and qtminer: 0 balance after 2 days with 3.2MH/s
I'm using Geth + QtMiner:
qtminer.exe -s asia1.ethpool.org:3333 -u 0x37830e9f76198f82cdb81821a7a380c82e24b4f9.maplerichie -G --opencl-platform 1
My average hashrate is just around 3.2MH/s but ...
CommunityBot
- 1
5
votes
1
answer
3k
views
Listing transactions in a private blockchain?
In a private blockchain, is it possible to list the transactions based on from and to parameters in a transaction.
Is it possible to check the latest transaction from or to an address?
Also, is it ...
CommunityBot
- 1
6
votes
2
answers
2k
views
Why did the DAG file change in block 1080000?
I'm mining to dwarfpool, and all of sudden am getting this message on the account: "DAG file changed in block 1080000"
Does this mean that my DAG is out of sync and if yes, how do I resync it, tried ...
eth♦
- 86.5k
1
vote
1
answer
756
views
I can I restore Mist to reset master password?
I lost my Ethereum Wallet master password. I have all my account passwords. I've backed up my wallet, and application data. How do I restore Mist to create a new master password? How do I back up the ...
- 221
4
votes
1
answer
4k
views
How to send transactions to a private network?
I have set up a private blockchain on a local network.
I have a node running on an Android smartphone and another on Windows 7, I use Geth on both.
I send Ether with the method eth.sendTransaction() ...
- 68
0
votes
1
answer
261
views
The "why" of immutable contracts [duplicate]
I'm new to blockchain technologies and I'm trying to grasp the "why" and the real "value" of immutable contracts.
In software engineering is pretty much accepted that no piece of logic is ever ...
eth♦
- 86.5k
2
votes
2
answers
476
views
Why immutable contracts [closed]
I'm a seasoned engineer, but quite new to blockchain technologies.
I'm trying to grasp the "why" and the real "value" of immutable contracts.
Never seen or heard of pieces of software being ...
CommunityBot
- 1
6
votes
2
answers
10k
views
How to install eth on debian? (symbol lookup error)
I installed from the ubuntu ppa and got this error.
➜ ~ eth
eth: symbol lookup error: eth: undefined symbol: _ZN3dev3eth14EthashGPUMiner14s_numInstancesE
What can I do / check?
I'm on debian ...
CommunityBot
- 1
2
votes
0
answers
54
views
How to clear Ethereum chain data on windows? [duplicate]
I'm using the ethereum wallet, which uses geth. I keep getting the time out of sync error message. I know i need to clear my bad chaindata. How do i do this?
- 115
5
votes
1
answer
114
views
Why do I see some random transactions to "The DAO" in my mist client?
I am curious to know, why I do see some random transactions of "The DAO" in my mist client within my "last transactions" section. I have actually two of them yet:
Is it because I watch my Tokens?
- 16k
5
votes
1
answer
1k
views
Can I run Geth connected to public network without syncing and do a smart contract function transaction and expect it to mine?
Is there a way to run Geth connected to public Blockchain without syncing and still expect my smart contract function transaction to be mined ?? as following answer Can I run Geth without syncing? ...
CommunityBot
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