add how-to-update-metadata

How to update the info shown on your protocol's page within the defillama.com website

Author: realdealshaman

how-to-update-metadata.md

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+How to update metadata
+
+Step 1. fork defillama-server
+
+Step 2. Check data.ts or data2.ts to find your project listing
+
+    - find the part you would like to update(i.e. name, token address or symbol, description, twitter handle, etc..)
+    - commit your changes on your branch and submit a PR
+
+Step 3. If you need to add an audit link
+
+    - add "audit_links" to the listing and add your audit link as a "string" within an array
+        - compare with others that already have an audit link added
+    - change the audits portion of the listing to the correct number
+        -Audits: Please follow this legend
+            0 -> No audits
+            1 -> Part of this protocol may be unaudited
+            2 -> Yes
+            3 -> This protocol is a fork of an existing audited protocol
+
+Step 4. If you need to update the logo
+
+    - make sure that you have defillama-app repo also
+    - check the name for the logo on the listing(it should be the same as the protocol name) 
+    - upload the new logo with the same name to defillama-server/defi/icons
+    - commit your changes and submit the pull request
+    - also upload a smaller logo 24x24 pixel & .jpg format to defillama-app/public/icons
+    - commit your changes and submit the pull request
+