As per the Corda coding guidelines, I have seperated out modules into contracts and workflows-common. There are workflows modules like workflows-party1, workflo
RocksDb: Multiple values per key (c++) what i am trying to do I am trying to adapt my simple blockchain implementation to save the blockchain to the hard drive
In Solana you can get your own balance with the CLI $ spl-token accounts But how do I get the token balance of a foreign account if I have the account ID or hi
I'm using node version 12.20.2 and npm version 6.14.11 and installed truffle with cmd as administrator, the truffle framework version 5.5.12 has been installed
I have installed cardano-wallet using this documentation. Everything is OK, Just I don't know how to run it so I can have interaction with it via node js: const
On doing minifab up command can we specify the chaincode installed default (simple) to our own chaincode , by changing the configurations in the spec.yaml ???
I am looking to grab historical data from our Solana Devnet feeds. Can you let me know if get_submissions is the function that should be called for historical d
I get this error where I run anchor deploy: Deploying workspace: http://127.0.0.1:8899 Upgrade authority: /home/<user>/.config/solana/id.json Deploying pr
Getting this error while trying to run a eth-brownie script on MacOS ModuleNotFoundError: No module named 'Users.xyz' Run command: brownie run scripts/mainne
I have beginner skills as Full stack Developer and am looking to help developing a crypto wallet with a small start up. The idea is to create a wallet that will
I am a newbie in smart contract development. I just create a smart contract for some analyze how it works, so I used the truffle suite with vs code to create a
I am trying to compile the bellow contract and i am getting the error. If i remove the mapping i dont get an error: Compiling using default compiler, solidity v
pragma solidity ^0.8.4; import "hardhat/console.sol"; contract Ewitter{ struct User{ address wallet; string name; string username;
I need to deploy my smart contract to BSC Testnet I always got this : Error: PollingBlockTracker - encountered an error while attempting to update latest block:
I'm building a decentralized application where users can connect their cryptocurrency wallet (Metamask) to my website. They can initiate a connection request by
I am having trouble connecting the coinbase wallet in my application and I was wondering if you could help me with this. My issue is that I am using the web3-re
I'm writig a dApp using web3Modal and web3js libraries. I have an issue regarding the WalletConnect provider. Upon choosing to connect using WalletConnect, the
I wonder if it is possible to see "Output Data" on Etherscan for non-view transactions that returned values, I mean it is possible to see "Input Data" when fetc
I got an error while deploying contract in Binance Smart Chain plz help me if anybody knows it error message looks like this Deploying 'WhitePaperInterestRat
The problem I'm working on is my team wants me to setup my own cluster with an initial supply of 400M sol. I have gone through the genesis module and found some