# NFTicket, Nigeria Sequence Diagram (V1)

## Participant in Sequence Diagram
**Personal Wallet**
* Ticket Master
* Business Owner
* Customer
* Driver

**Web2 Application**
* Frontend
* Backend & Database

**Web3 Smart Contract**
* Nigeria Service Contract
* Ticket Master Contract

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## Smart Contract Architecture


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## Smart Contract Specification

**Nigeria Service Contract**
:::info
function
* presentTicket function
* startDelivery function
* checkIn function
* endDelivery function
* checkOut function

event
* presentTicket event
* startDelivery event
* checkIn event
* endDelivery event
* checkOut event
:::
**Ticket Master Contract**
:::info
storage
* NFTicketId & credit mapping
* NFTicketId & credit lock/unlock status mapping
* whitelist service contract address

function
* mintNFTicket function
* topUpNFTicket function
* (whitelist only) lockCredit function
* (whitelist only) distributeRevenue function
* (whitelist only) unlockCredit function
:::

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## Smart Contract Configuration
**Nigeria Service Contract**
:::info

:::
**Ticket Master Contract**
:::info
* Base fee pre NFTicket
* Price per credit
* Service contract whitelist
:::
Base fee 是用什麼定價? ETH,穩定幣, BLXM?
Price per credit 要用什麼單位匯兌? 錨定穩定幣,錨定USD?

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## Sequence Diagram

### Buy a New NFTicket
假定是以ETH來定Base Fee
(如果是ERC20，要用approve+transferfrom的方式)

### Top Up an NFTicket
假定是以ETH來定Price per credit
(如果是ERC20，要用approve+transferfrom的方式)

### Present an NFTicket


### Start Delivery


### Check In


### End Delivery


### Check Out

分潤的時候是要分什麼?分credit還是分什麼幣?

###### tags: `NFTicket`