How to get the controller inside the canister with Rust/Motoko?

ccyanxyz · June 30, 2021, 4:54am

Thanks for the reply, I’ve figured it out.
Here are some examples of how to interact with the management canister(ic0), hope this will help the others.

github.com

dfinance-tech/dtoken/blob/master/src/registry.mo#L138-L171

    
      
          public shared(msg) func setController(canisterId: Principal): async Bool {
              switch(tokens.get(canisterId)) {
                  case(?info) {
                      assert(msg.caller == info.owner);
                      let controllers: ?[Principal] = ?[msg.caller, Principal.fromActor(this)];
                      let settings: CanisterSettings = {
                          controllers = controllers;
                          compute_allocation = null;
                          memory_allocation = null;
                          freezing_threshold = null;
                      };
                      let params: UpdateSettingsParams = {
                          canister_id = canisterId;
                          settings = settings;
                      };
                      await IC.update_settings(params);
                      return true;
                  };
                  case(_) { return false };
              }

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How to get the controller inside the canister with Rust/Motoko?

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