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App is using to enviroment variables that can be set before deployment:
SWAP_PROGRAM_OWNER_FEE_ADDRESSused to distribute fees to owner of the pool program (Note: this varibale reuqires special version of token-swap program)SWAP_HOST_FEE_ADDRESSused to distribute fees to host of the application
To inject varibles to the app, set the SWAP_PROGRAM_OWNER_FEE_ADDRESS and/or SWAP_HOST_FEE_ADDRESS environment variables to the addresses of your SOL accounts.
You may want to put these in local environment files (e.g. .env.development.local, .env.production.local). See the documentation on environment variables for more information.
NOTE: remember to re-build your app before deploying for your referral addresses to be reflected.