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9 votes
3 answers
7k views

Convert an eth key to a geth key

I need to convert my eth key to a geth key. eth put the key in %appdata%\roaming\Web3\keys, and I see it as a .json file. If I move that to the %appdata%\roaming\Ethereum\keystore directory, geth ...
feebel's user avatar
  • 93
4 votes
1 answer
649 views

Can geth and eth share the same accounts and blockchain?

It appears when I have multiple ethereum clients installed, that they all have their own data, accounts and even their own copy of the blockchain. Is it possible to share accounts and the blockchain ...
q9f's user avatar
  • 33k
4 votes
1 answer
5k views

How can I import geth accounts into eth?

I had two accounts under ~/.ethereum/keystore when I used geth a while ago. I got a new PC, recompiled only the C++ version and I can't see my two accounts in eth. web3.admin.eth.allAccounts() ...
euri10's user avatar
  • 4,640
5 votes
1 answer
13k views

The ERC-20 Token Transfer might have Failed (ErrCode: unable to locate corresponding Transfer event log), check with sender

EtherScan.io is showing error: The ERC-20 Token Transfer might have Failed (ErrCode: unable to locate corresponding Transfer event log), check with sender. Transactions are successful but users are ...
Dar Dev's user avatar
  • 51
11 votes
4 answers
18k views

ethminer Failed to submit hashrate

I keep getting an error: ethminer Failed to submit hashrate :( I am very new to this whole mining thing, and just want to learn more. I am using: Geth Version: 1.5.0-unstable ethminer version 1.2.7 ...
doart3's user avatar
  • 133
6 votes
2 answers
3k views

Ethereum Merkle Patricia Trie (Extension node)

I do not have time to look through the source code right now. My questions is: In Ethereum, when is the decision to replace part of a given path with an Extension-node made? I suppose the sole idea ...
Vega4's user avatar
  • 323
2 votes
1 answer
323 views

How to modify the gasLimit of the private block chain on the console

as the title,How to modify the "gasLimit" of the private block chain on the console?
mike's user avatar
  • 21
1 vote
1 answer
529 views

eth_getLogs was only return erc20 tokens

i have used below command to get every logs on the special blocks but its only return erc20 token logs and ethereum transactions was not listed. my geth command: curl --data '{"method":"eth_getLogs",...
Farhad Jafari's user avatar
1 vote
2 answers
102 views

Is it possible to fork ethereum so that only specified account(s) can deploy new contract?

Blockchains supporting smart contract are sometimes compared with smartphones in the sense that it is an infrastructure opened to host an indefinite number of Apps, any participant can create and ...
guillaume's user avatar
1 vote
1 answer
352 views

How to invoke multiple oracaliszed queries from a single contract

I want to invoke 2 different orcalized queries from the same contract. I saw a few posts but none of the answer works. Is there any way we can do that? Here is my contract. I was expecting this ...
codec's user avatar
  • 113