Top new questions this week:
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I'm running a geth node on AWS and it's fully synced, but looking at the logs and the blocks mined I see that it takes a lot of time to import a new block.
For example:
Geth log
INFO ...
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I have setup a private Quorum network and successfully deployed contracts and executed contract functions using Visual Studio Code and remix.
When i try to deploy the exact same contract manually ...
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Is there an api where I can query if an address contains an erc20 token? I need it returned in JSON format.
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I am running a full node and I noticed that the amount of disk space it takes is larger than reports online.
I use the command ./geth --syncmode full --rpcapi eth,web3,personal --rpc --rpcaddr ...
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Whenever I edit a file called filename.something, my text editor creates a file called .#filename.something when I modify anything. That file exists until I save. These files never were a problem ...
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I have a smart contract that provides a message to sign and then validates the signer of the message. Something like:
mapping(address => uint) public userNonce;
function getSigner(bytes32 ...
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I'm kinda new to Solidity, sorry for this in advance. I'm building a Dapp and cannot understand how to get a mapping or an array from a Struct. This is the struct that have inside a two mappings and ...
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Greatest hits from previous weeks:
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I have a currupt Blockchain and want to hard reset the chain. what do I need to delete in order to start downloading the chain from scratch?
I know that there are 2 ethereum folders (I am on OSX):
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I've recently attempted to explain Ethereum to several non-techy friends.
My explanation usually involves starting with a comparison to Bitcoin, but this quickly becomes complicated as I then have ...
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Lisk is going to be a full stack DApp development framework for building and distributing decentralized applications. It's currently in the crowdfunding stage but got also added to Microsofts ...
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Which programs should be installed and what do you need to do to start mining Ether and use Ethereum?
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I'm syncing up a new node. How can I find out what the latest block is so that I know how far I've got to go?
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This may be a very basic question, I don't know why but I am unable to find correct solution to how can I call my contract's method using sendTransaction. I have a transfer(address, uint256) function ...
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Where do I see the current, exact DAG size? Is it being tracked on a website somewhere, or is it something I can check on my miner?
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Can you answer these questions?
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After reading chapter "Repurposing header fields for signing and voting" at https://eips.ethereum.org/EIPS/eip-225 I've understood the nonce field of blocks in PoW consensus blockchain is reused for ...
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I use two ETH accounts on my Ledger - account [1] and [2]. When submitting a contract or transfering ETH on the mainnet from account [2] via Metamask it still sends from [1].
To Reproduce
Click on ...
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