* Perform eth_call and get result in js import
* Use dummy value for eth_call
* Called handler in wasm with event param
* Implement passing event to subgraph handler function
* Use generated event class Test for passing to handler
* Pass event params to handler
Co-authored-by: nabarun <nabarun@deepstacksoft.com>
* Implement host api typeConversion.bytesToHex
* Complete host api bigIntToString.
* Create TypeId for assemblyscript loader.
* Implement host apis bigInt fromString, plus and minus