Unanswered Questions

Ive been trying to whitelist huge amount of addresses with merkle tree. Here is my json: [ "0xb860BA0E67C8......5ca4b4720d49F549AE8faA", "0xaF019d749865.......f044C1A534e1eC9F0D353"...

My node.js script is able to successfully connect to the Web3 provider when both the private key (using truffle-privatekey-provider) and the provider host URL are correct. let privateKey = ..., ...

I'm working on a nextjs/react project in which i want to fetch the health factor of an address on AAVE. This can be done by calling getUserAcountData(address) on the lending pool contract. I can ...

Geth allows me to define & load my own custom JavaScript functions with --preload flag or require() on Geth console. But is there way to access my functions via RPC interface? Like : curl -H "...

I ran Ethereum Wallet for the first time on my Macbook Pro and, as it was syncing with TestNet, I selected Develop -> Start Mining. I saw the ETH balance increase steadily to 65 but then, it seemed ...

I am testing a smart contract that uses Chainlink's VRF Oracle. Locally, I am using a mock to test with. In the unit test it never executes the fulfillRandomWords function that on my smart contract, ...

just a quick question I was following the patrick collins course on solidity with javascript and in it, we deployed a contract created on vscode using hardhat deploy on a testnet rinkeby But since ...

I am trying to read state variables (using hardhat scripts) from a contract deployed on the Rinkeby network. I use the script below but it returns 'undefined' as if it can't read from the contract. ...

I wanna store Ipfs-hashes (Content Identifier) on the blockchain in the code below. And because it's public and anybody can use it, I want to make sure the function only accepts valid Cids (i.e., the ...

I am using the ethers.js library, and am trying to code a transaction. Here is a snippet where I connect a wallet to a provider, connect to a contract I want to call a function in, and try to call the ...

I'm trying to generate a typed signature for an array in JavaScript based on EIP-712 and using eth-sig-util. My problem is that I need to sign an array. It says in the specification to use Type[] or ...

When I return a string array with web3 I don't get the original array as expected, but rather I get an array of the same size, with the index off by one. So instead of ["One","Two","Three"] I get ["",...

I am using a service that wants me to verify that the data it returns to me is correct before I use it. The service returns something that looks like the following: { "signature": { "v": ...

MetaMask recently added a new permissions check. I'd like a copy-pasteable hello world dapp that includes all best practices and can check the balance of the current user's ERC20 balance for some ...

I am having difficulty reproducing the private key and address using the mnemonic and HD path provided by Ganache. Mnemonic weird farm vast surge upper truth answer end radar impact mind jeans HD ...