Analyze upgrade to web3j latest version #4
Description
Some benefits:
Dynamic gas price providers
Review FederatorSupport.updateContractFacadesGasPrice()
Multi-dimensional arrays
maybe refactor bulkStoreHeaders()
LFDT-web3j/web3j#404
Adds web3j shutdown method LFDT-web3j/web3j#433
Expose additional behaviors from auto-generated contract classes for use with ethGetLogs LFDT-web3j/web3j#387