EdgeToll

A Blockchain-based Toll Collection System for Heterogeneous Public Edge Platforms

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The file architecture

Inside EdgeToll folder, there are 2 folder:

SmartContract (used smart contract development tool named truffle)

edgeBlockChain (used django for proxy server)

To start

Publishing Contract

if you want to publish the contract in local:

1. go to SmartContract
2. Open Ganache client

$ truffle compile
$ truffle migrate --reset

So the address of contract can be found at Ganache, and you can get abi code at builds PC.json

Set Up server

1. open a terminal and go to edgeblockchain in EdgeToll
2. runserver

$ python manage.py runserver

API of existing system

All methods should be used as Post Request and listed parameters should be provided as data.

Register URL : "http://127.0.0.1:7545/regist/"

for edge device to register in server, after posting request, the proxy will open a paymentchannel for the provided address parameter:

• 'address' : the blockchain ethereum address of edge (string in python) return: gas fee of registeration

Send Check URL : "http://127.0.0.1:7545/sendCheck/"

for user to post cheque to proxy parameter:

• 'senderAddress' : user address
• 'recipientAddress' = proxy address
• 'valueTransferred' = the value of cheque
• 'v' = the information of signed signature
• 'r' = the information of signed signature
• 's' = the information of signed signature
• 'edgeAddress' = the selected edge address
• 'withdraw' = whether to withdraw, can only be True or False (bool) return: gas cost of publish trasactions when 'withdraw' = True

Select Edge URL: "http://127.0.0.1:7545/selectEdge/"

for user to select a target edge, parameter:

• 'edgesWiFi': available edges of user (ssid of WiFi) return: a target edge's ssid for connection