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  • but where i add the window.ethereum so it will use metamask as singer ? Commented Mar 21, 2023 at 12:03
  • there is no need for that the above code uses metamask! just try it Commented Mar 21, 2023 at 12:39
  • this code uses either singer or provider ... i want to use both ... for example if user read data there will be return depending on msg.sender... Commented Mar 25, 2023 at 11:55