Demonstration Script

0. Initialization: Contract Deployment and Demonstration of surProvider()

Deploy contract as 0xca35b7d915458ef540ade6068dfe2f44e8fa733c

Owner of the contract: 0xca35b7d915458ef540ade6068dfe2f44e8fa733c

Token Balance of the owner: 666,000,000,000

provider:	0xca35b7d915458ef540ade6068dfe2f44e8fa733c	APID: 1	Price 100 (DAT/MB)
provider:	0x14723a09acff6d2a60dcdf7aa4aff308fddc160c	APID: 2	Price 100 (DAT/MB)
provider:	0x4b0897b0513fdc7c541b6d9d7e929c4e5364d2db	APID: 3	Price 300 (DAT/MB)

1. Information Query Demonstration:

• Check APID of the three providers
• Check provider address behind APID using just APID input
• Check service pricing of each provider using address input

2. Demonstration of surReceiver()

Call surReceiver() function as

provider:

0xca35b7d915458ef540ade6068dfe2f44e8fa733c

user state update

receiver:

0xca35b7d915458ef540ade6068dfe2f44e8fa733c

All information about 0xca35b7d915458ef540ade6068dfe2f44e8fa733c as a provider is kept intact.

Only user role is changed.

Tip

Table of user role: (meanings of values of variable identification)

role.ISRECEIVER	numerical 0	All users are receivers by default
role.PAIRED	numerical 2	Such receiver has linked to a provider
role.ISPROVIDER	numerical 1	This is a user who provides service

3. Demonstration of link()

Call link() as receiver:

0xca35b7d915458ef540ade6068dfe2f44e8fa733c

to try to link provider of APID: 2

input a hexadecimal number as password seed( a PIN):

**e.g.** frontend input string "seed" for password generation
can be converted to hexadecimal: 0x73656564 as input of link() function.

Tip

put this into the input box of link() function:

2,0x73656564

Show the returned password from link() function in transaction monitor

4. Demonstration of doorKeeper()

Call doorKeeper() as

provider:

0x14723a09acff6d2a60dcdf7aa4aff308fddc160c

Input knocker as receiver:

0xca35b7d915458ef540ade6068dfe2f44e8fa733c

Input password as what has been returned from link()

Tip

Input format for instance:

0xca35b7d915458ef540ade6068dfe2f44e8fa733c,"0x73656564"

doorKeeper() should tell

provider:

0x14723a09acff6d2a60dcdf7aa4aff308fddc160c

that the receiver:

0xca35b7d915458ef540ade6068dfe2f44e8fa733c

is valid to connect to frontend AP by returning:

letIn true

5. Demonstration of fuse() from Receiver’s perspective

Call fuse() as

receiver:

0xca35b7d915458ef540ade6068dfe2f44e8fa733c

reports 511 MB data usage with time stamp 1000

Tip

input this to fuse() box for receiver:

511,1000

6. Demonstration of fuse() from Provider’s perspective

Call fuse() as

provider:

0x14723a09acff6d2a60dcdf7aa4aff308fddc160c

reports 511 MB data usage from

receiver:

0xca35b7d915458ef540ade6068dfe2f44e8fa733c

Tip

Input this into fuse() for provider:

0xca35b7d915458ef540ade6068dfe2f44e8fa733c,511,1000

Then, check agreement log

1st position:

0x14723a09acff6d2a60dcdf7aa4aff308fddc160c

2nd position:

0xca35b7d915458ef540ade6068dfe2f44e8fa733c

Tip

Input:

"0x14723A09ACff6D2A60DcdF7aA4AFf308FDDC160C","0xca35b7d915458ef540ade6068dfe2f44e8fa733c"

The agreement should be 511 MB

7. Demonstration of payAndLeave()

Check provider’s balance.

provider:

0x14723a09acff6d2a60dcdf7aa4aff308fddc160c

has 0 token balance.

Call payAndLeave() function as

receiver:

0xca35b7d915458ef540ade6068dfe2f44e8fa733c

51100 DataToken should be paid.

After the payment, check provider’s balance

provider:

0x14723a09acff6d2a60dcdf7aa4aff308fddc160c

has 51100 of token balance.