AdUnit domain struct

[elpiel]

https://github.com/AdExNetwork/adex-protocol/blob/master/campaignSpec.md#adunit

AdUnit

Spec properties (added to ipfs and can NOT be modified)

• ipfs: string, valid ipfs hash of spec props below
• type: string, the type of the ad unit; currently, possible values are: legacy_300x250, legacy_250x250, legacy_240x400, legacy_336x280, legacy_180x150, legacy_300x100, legacy_720x300, legacy_468x60, legacy_234x60, legacy_88x31, legacy_120x90, legacy_120x60, legacy_120x240, legacy_125x125, legacy_728x90, legacy_160x600, legacy_120x600, legacy_300x600, see IAB ad unit guidelines and iab_flex_{adUnitName} (see IAB's new ad portfolio and PDF)
• mediaUrl: string, a URL to the resource (usually PNG); must use the ipfs:// protocol, to guarantee data immutability
• mediaMime: string, MIME type of the media, possible values at the moment are: image/jpeg, image/png
• targetUrl: string, the advertised URL
• targeting: an array of TargetingTag, optional
• minTargetingScore: optional, Number; minimum targeting score
• tags: an array of TargetingTag, meant for discovery between publishers/advertisers
• owner: user address from the session
• created: number, UTC timestamp in milliseconds, used as nonce for escaping duplicated spec [ipfs] hashes

Non spec properties (not added to ipfs and CAN be modified)

• title: string, the name of the unit used in platform UI
• description: string, arbitrary text used in platform UI
• archived: boolean, user can change it - used for filtering in platform UI
• modified: number, UTC timestamp in milliseconds, changed every time modifiable property is changed

• add all fields
• create fixtures
• use fixture for ChannelSpec ChannelSpec fields #24

[elpiel]

No need for this any more.