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Cryptocurrency Ethereum Mastering Development

How to solve the problem: java.lang.RuntimeException: Error processing transaction request: VM Exception while processing transaction: stack underflow

I generated JAVA wrapper solidity code. I am trying to deploy my contract on our local Ethereum blockchain and and get the following error: SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". SLF4J: Defaulting to no-operation (NOP) logger implementation SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details. WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access […]

Categories
Cryptocurrency Ethereum Mastering Development

Attempting to transfer erc20 token, but keep encountering insufficient funds for gas * price + value

I’m attempting to transfer an erc20 token, but keep running into insufficiant funds for gas * price + value, regardles of how much eth I have, I also have an estimate function which return a value thats several times lower than what I have in eth. I’m using Infura. My ETH balance is: 79475000000000000 (0,079475) […]

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Cryptocurrency Development Ethereum

Contract is not deploying properly on Geth private network using web3j SDK

I am new to Ethereum. I have created private blockchain using Geth on my local and trying to deploy my smart contract using java web3j SDK. I am able to deploy my contract using java and getting contract address but when I try to call createItem() method to set some values then its not able […]