Use a minimal proxy for the curation shares ERC20 #505
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@@ Coverage Diff @@
## dev #505 +/- ##
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+ Coverage 91.91% 91.95% +0.03%
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Files 33 33
Lines 1658 1666 +8
Branches 282 279 -3
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+ Hits 1524 1532 +8
Misses 134 134
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* curation: use a minimal proxy to save gas when minting for first time * curation: use token utils for transfers * tests: remove unnecessary block advance in test * curation: add external function to set token master copy and avoid re-deploy the clone on minting reset * chore: add graph curation master copy token to deployment config
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Description
Signal on a subgraph deployment is represented by a subgraph-specific ERC20 token. When signal is minted for a subgraph deployment for the first time, the Curation contract deploys a new ERC20 token. This is costly, about 1.2M gas.
Solution
Use a Minimal Proxy to clone the Signal-ERC20 based on an implementation. First mint goes from 1,230,118 gas to 432,840