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Tag: web3js

Issue in calling a smart contract function with web3

I’m trying to call the createCustomer function provided in this smart contract https://ropsten.etherscan.io/address/0xD3B462CbF6244ed21CD3cF334Bf8CB44A28795A9#code and we basically have to provide three parameters like string memory _hashedEmail, string memory _name and string memory _phone. So I’ve written the following program to call the createCustomer function However it gives me this err which doesnt make any sense as i’ve already provided the three

Calculate Value from JS Promise

I have assigned a callback function to a variable. The function then returns a promise stating it is fulfilled and the value. I want to be able to return the value and use it to perform a mathematical calculation. Javascript code: In the console I get the below output. Answer Assuming this is the interface you’re using, this is an