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Update 007_eMoney_integration.md

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Will Ruddick 2020-07-13 12:53:35 +00:00
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spec/007_eMoney_integration.md
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@ -72,64 +72,32 @@ When dislaying the SPOT price or excahnge rate to a user we should use the follo
> Exchange Price = CIC_reserve / (CIC_supply * trr) -> this is pulled from blockchain and should be sent back as a SMS
### User Interface ###
- When a user chooses to ``Redeem get Quote```:
- They should enter the amount (limited to the max in their balance)
- They should get a confirmation Based on a quote from the blockchain in a SMS:
- You will recieve **Mpesa_given** for **CIC_excahnge_amount** please confirm this quote in the USSD menue to proceed: (note this is from blockchain and will change second by second)
- The user will return to the USSD menu
- They navigate back to exchange in less than 1 minute and 'confirm exchange quote' (new USSD excahnge menu needed) (the 'confirm Redeem excahnge quote')
- 'confirm Redeem quote' will only show up for a minute - otherwise they have to ask for another quote
- Please type your PIN to confirm
- The user should get a Mpesa responce for recieving the **Mpesa_given**
### USSD Interface ###
- User chooses Excahnge Menu option #1 Check Excahnge Rate
- Redeem 1000 CIC
- Calculate a quote .... :
- Quotation: Date.
- SMS: You will receive at least 800 KSH for 1000 CIC. (MVP)
- getQuoteRedeemCIC(amount, CIC):
- mvp: return amount = amount - amount * rate; /// Rate is 10%
- best: web3 calls to purchaseReturn
- On the Exchange menu - option #3 is Confirm Quotation:
- Please confirm: "You will receive at least 800 KSH for 1000 CIC."
- Yes.
- mvp: GE receives the 1000 CIC
- best: Then we try a conversion ... with a Min return.
- best: 1000 CIC is sent to the contract (on blockchain) - (xDAI is sent to the GE float account - to be cleared later)
- Mpesa as in the quote - is sent to the user
- Option #4 Exchange
- #1 Get Exchange Rate
- #2 Confirm Exchange
- User chooses Exchange Menu option #1 Get Exchange Rate - then chooses the direction of the exchange
- #1 [CIC] -> Mpesa
- Enter the amount of [CIC] you wish to redeem (limited to their balance)
- #2 Mpesa -> [CIC]
- Enter the amount of Mpesa you wish to contribute
- Enter pin to confirm
- You will recieve a SMS shortly
- perhpas for MVP we can just spit this back out on USSD.
- SMS: You will receive at least 800 KSH for 1000 CIC. This quotation is stored for the user but only valid for a period of time (1 hour?)
- When a user chooses to ``Contribute get Quote```:
- They should enter the amount of Mpesa they wish to contribute
- They should get a confirmation Based on a quote from the blockchain in a SMS:
- You will recieve **CIC_given** for **Mpesa_excahnge_amount** please confirm this quote in the USSD menu to proceed: (note this is from blockchain and will change second by second)
- The user will return to the USSD menu
- They navigate back to exchange in less than 1 minute and 'confirm exchange quote' (new USSD excahnge menu needed) (the 'confirm Contribute excahnge quote')
- 'confirm Contribute exchange quote' will only show up for a minute - otherwise they have to ask for another quote
- Please type your PIN to confirm
- The user should get a SMS responce from GE for recieving the **CIC_given**
- User chooses Exchange Menu option #2 Confirm Exchange - if they don't have an active quotation they must goto option #1 first.
If the quotation is for CIC->Mpesa then:
- Show the last quotation message
- Enter your pin to confirm
- You will recieve a SMS shortly
If the quotation is for Mpesa-> then:
- Show the last quotation. message - which includes instruction for sending on paybill
User chooses Excahnge Menu option #2
- Contribute KSH - returning CIC
- Calculate a quote .... :
- Quotation: Date.
- SMS: You will receive at least 1200 CIC for 1000 KSH. (MVP)
- getQuoteContriuteKSH(amount, CIC):
- mvp: return amount = amount + amount * rate; /// Rate is 10%
- best: web3 calls to purchaseReturn
- On the Exchange menu - option #3 is Confirm Quotation:
- Please confirm: "You will receive at least 1200 CIC for 1000 KSH."
- Yes.
- mvp: SMS: Please send 1000 KSH to PayBill account number [phone number]
- best: Then we try a conversion ... with a Min return.
- best: xDAI is sent to the contract (on blockchain) - (xDAI is sent to the GE float account - to be cleared later)
- CIC as in the quote - is sent to the user