How to translate principal to account-id in ledger canister

pyd · November 15, 2021, 9:20am

i want to know how to translate a principal into an account-id. And the principal in https://nns.ic0.app/ is derive from the host “https://nns.ic0.app/”?

levi · November 15, 2021, 4:47pm

github.com

levifeldman/ic_tools_dart/blob/184ce0f54c518661e6a2b6009780c3f85cc6672f/lib/src/common.dart#L55-L70

    
      
          String principal_as_an_IcpCountId(Principal principal, {List<int>? subaccount_bytes }) {
              subaccount_bytes ??= Uint8List(32);
              if (subaccount_bytes.length != 32) { throw Exception(': subaccount_bytes-parameter of this function is with the length-quirement: 32-bytes.'); }
              List<int> blobl = [];
              blobl.addAll(utf8.encode('\x0Aaccount-id'));
              blobl.addAll(principal.bytes);
              blobl.addAll(subaccount_bytes);
              Uint8List blob = Uint8List.fromList(sha224.convert(blobl).bytes);
              Crc32 crc32 = Crc32();
              crc32.add(blob);
              List<int> text_format_bytes = [];
              text_format_bytes.addAll(crc32.close());
              text_format_bytes.addAll(blob);
              String text_format = bytesasahexstring(text_format_bytes);
              return text_format;
          }

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How to translate principal to account-id in ledger canister

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