* Refactor BaseNode to be an interface INode
* Initial contract commit
* Remove redundant fallback ABI function
* First working iteration of Contract generator to be used in ENS branch
* Hide abi to clean up logging output
* Strip 0x prefix from output decode
* Handle unnamed output params
* Implement ability to supply output mappings to ABI functions
* Fix null case in outputMapping
* Add flow typing
* Add .call method to functions
* Partial commit for type refactor
* Temp contract type fix -- waiting for NPM modularization
* Remove empty files
* Cleanup contract
* Add call request to node interface
* Fix output mapping types
* Revert destructuring overboard
* Add sendCallRequest to rpcNode class and add typing
* Use enum for selecting ABI methods
* Add transaction capability to contracts
* Cleanup privaite/public members
* Remove broadcasting step from a contract transaction
* Cleanup uneeded types
* Fix spacing + remove unused imports / types
* Actually address PR comments
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