W3C home > Mailing lists > Public > public-webpayments@w3.org > May 2013

Re: semantically modelling a balance

From: Manu Sporny <msporny@digitalbazaar.com>
Date: Tue, 07 May 2013 22:13:37 -0400
Message-ID: <5189B4D1.3010909@digitalbazaar.com>
To: Melvin Carvalho <melvincarvalho@gmail.com>
CC: Web Payments <public-webpayments@w3.org>, goodrelations@ebusiness-unibw.org
On 05/07/2013 05:23 PM, Melvin Carvalho wrote:
> is there a way to model a balance using commerce vocabs?

Yes.

> for example: alice has 10 euros

I wouldn't model Alice as having 10 Euros... Alice has an account that
contains 10 Euros.

{
  "@context": "https://w3id.org/payswarm/v1",
  "id": "http://example.com/alice",
  "name": "Alice",
  "account":
  {
    "id": "http://example.com/alice/accounts/savings",
    "type": "Account",
    "label": "Savings Account",
    "amount": "7563.00",
    "currency": "EUR"
  }
}

> or account XYZ has 10 bitcoins

{
  "@context": "https://w3id.org/payswarm/v1",
  "id": "http://example.com/bob/accounts/retirement",
  "type": "Account",
  "label": "Retirement Account",
  "amount": "2.12498",
  "currency": "BTC"
}

Note that in the above two examples, EUR and BTC will resolve to a
relative URL when they really should resolve to a currency URL like:

https://w3id.org/currencies/EUR

or

https://w3id.org/currencies/BTC

Currently, we have only created the USD currency. If you'd like, we can
add EUR and BTC as well. Or, you can submit a pull request for the
PaySwarm context here:

https://github.com/web-payments/payswarm.com/blob/master/contexts/payswarm-v1.jsonld#L103

And then some re-direction entries here:

https://github.com/perma-id/w3id.org

Let me know how you'd like to proceed.

-- manu

-- 
Manu Sporny (skype: msporny, twitter: manusporny, G+: +Manu Sporny)
Founder/CEO - Digital Bazaar, Inc.
blog: Meritora - Web payments commercial launch
http://blog.meritora.com/launch/
Received on Wednesday, 8 May 2013 02:14:08 UTC

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