• Fixed Contract.nonce calculation
• Fixed Transaction.mined?
• Fix BigDecimal.new deprecation

• Fix formatting error
• Test with Ruby 2.7
• Test with solidity 0.5.16

This release contains multiple little improvements and compatibility fixes:

• Works with solc 0.4.21
• Use pending transaction nonce as default (allows to send multiple transactions within one block)
• Relaxed dependency to active record (allows to work with older active record versions)
• Now testing against ruby 2.3, 2.4 and 2.5
• Allow using a proxy for HttpClient
• Fix call payload for e...

Compatibility fixes for solc 0.4.13 and parity 1.6.10 on Ubuntu.

Signed transactions

Ethereum.rb now supports signing transactions with key using ruby-eth gem.

To create a new key simply do the following:

key = Eth::Key.new

Then you can use the key to deploy contracts and send transactions, i.e.:

contract = Ethereum::Contract.create(file: "...")
contract.key = key
contract.deploy_and_...