Clockchain repo

• app folder contains the vue.js single page app
• blockchain folder contains the dev environment for the blockchain stuff

API calls (reading from and writing to the blockchain)

accesses the publicly accessible ethereum rinkeby test blockchain over the etherscan.io API

Query Consumer Balance

https://rinkeby.etherscan.io/api?action=eth_call&data=0x70a0823100000000000000000000000020749911477918efb7549d6621eb957d8afa137c&module=proxy&to=0x9946AC2aCc28Ca76ef26c85112a114C530211c42&apikey=9KWJ8VHX6I9Y72C91B8W2EG3ZGB6H7SDN1

Query Supplier Balance

https://rinkeby.etherscan.io/api?action=eth_call&data=0x70a0823100000000000000000000000042c5F1D3Eb4192AF3D4ad27eE5a15f8e835ab79D&module=proxy&to=0x9946AC2aCc28Ca76ef26c85112a114C530211c42&apikey=9KWJ8VHX6I9Y72C91B8W2EG3ZGB6H7SDN1

both queries return a JSON answer as follows:

{
	"jsonrpc": "2.0",
	"id": 1,
	"result": "0x0000000000000000000000000000000000000000000000000000000000000004"
}

where result is an integer value in hexadecimal notation

Transfer one hour from consumer to supplier

• this is a pre-signed transaction that can only be fired once:
• stored in firebase (appState/transferUrl)

• TODO: updated url

Made with ❤️ @ BaselHack 2017