Refactor Subgraph NFT using composition #527
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… and store IPFS metadata as token metadata
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Codecov Report
@@ Coverage Diff @@
## dev #527 +/- ##
==========================================
+ Coverage 90.60% 91.19% +0.59%
==========================================
Files 35 37 +2
Lines 1703 1795 +92
Branches 282 293 +11
==========================================
+ Hits 1543 1637 +94
+ Misses 160 158 -2
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Summary
In the current implementation the GNS was turned into a NFT registry by adding the related state variables and behaviours through an upgrade. The upgrade is not yet done in mainnet. While testing in Rinkeby the team identified that some platforms (OpenSea, Etherscan, Rarible, etc.) couldn't properly identify a contract that was previously deployed as a non-NFT that was upgraded to be an NFT registry. That means that they won't display the NFT metadata properly.
The original implementation was done in the following PR: #497
Solution
Use composition instead of inheritance to add the NFT functionality.