Questions tagged [ethcore]

Ethcore is a company dedicated to helping you get the most out of open source blockchain technology.

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Type Error : contract " erc20interface " should be marked as abstract

Code : contract ERC20Interface { function totalSupply() public view returns (uint); function balanceOf(address tokenOwner) public view returns (uint balance); function allowance(address ...
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Does ETH store a block tree (all connecting blocks) or only active chain?

Specifically I am interested in core-geth repository. Does it store a Block Tree (thus on single height it may store multiple blocks), or it stores only single (active) Chain (thus, on single height ...
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Finality in Casper: can full node delete everything other than block header and state tree after reaching finality?

In the coming release Casper, I am assuming after Casper reaches finality, the finalized block will never reorg. Is it safe for the full nodes to delete everything (e.g., all transactions) other than ...
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Ethcore not deploying contract via web3 Javascript API

I have written some Solidity code, with a setter method createId to write a name-value pair to contract storage, and a getter method getPermissions to get the value associated with a particular name. ...
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Ethcore: "The dapp cannot be reached"

On a private dev chain with two Ethcore nodes, I created a dapp as per the instructions at https://github.com/ethcore/parity/wiki/Tutorial-Part-I. Everything was OK and I can see the dapp listed in ...
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How to run JSON rpc with parity server?

I use a VPS where I want to run parity to synchronize the blockchain. I use this command : parity --chain frontier.json --rpcapi="eth,net,web3,personal,web3" --rpc --rpcaddr ipAddressPub --rpcport ...
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What are the roles of ETHDEV, ETHCORE and the Ethereum Foundation?

I am trying to understand the institutional setup of Ethereum. I could identify the following institutions: (1) The Ethereum foundation, (2) ETHDEV and (3) ETHCORE. The foundation (1) is apparently ...
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