Simple Translation Example

contracts/examples/Phone.sol

@@ -39,7 +39,7 @@ contract Phone {
         return (toCode(Call.AnsweringMachine), "Your message has been recorded");
     }
 
-    function normalize(byte _code, string _response) internal returns (byte, string) {
+    function normalize(byte _code, string _response) internal pure returns (byte, string) {
         if (_code == toCode(Call.Started)) { return (_code, _response); }
         if (_code == toCode(Call.BusySignal)) { return (_code, "BUSY TONE"); }
         if (Status.isOk(_code)) { return (toCode(Call.Connected), ""); }

contracts/localization/BasicEnglishStatusCodes.sol

@@ -0,0 +1,60 @@
+pragma solidity ^0.4.23;
+
+import "./StatusCodeLocalization.sol";
+
+contract BasicEnglishStatusCodes is StatusCodeLocalization {
+  constructor() public {
+    add(hex"00", "Failure");
+    add(hex"01", "Success");
+    add(hex"02", "Accepted/Started");
+    add(hex"03", "Awaiting/Before");
+    add(hex"04", "Action Required");
+    add(hex"05", "Expired");
+
+    add(hex"0F", "Metadata Only");
+
+    add(hex"10", "Disallowed");
+    add(hex"11", "Allowed");
+    add(hex"12", "Requested Permission");
+    add(hex"13", "Awaiting Permission");
+    add(hex"14", "Awaiting Your Permission");
+    add(hex"15", "No Longer Allowed");
+
+    add(hex"20", "Not Found");
+    add(hex"21", "Found");
+    add(hex"22", "Match Request Sent");
+    add(hex"23", "Awaiting Match");
+    add(hex"24", "Match Request Received");
+    add(hex"25", "Out of Range");
+
+    add(hex"30", "Other Party Disagreed");
+    add(hex"31", "Other Party Agreed");
+    add(hex"32", "Sent Offer");
+    add(hex"33", "Awaiting Their Ratification");
+    add(hex"34", "Awaiting Your Ratification");
+    add(hex"35", "Offer Expired");
+
+    add(hex"40", "Unavailable");
+    add(hex"41", "Available");
+    add(hex"42", "You May Begin");
+    add(hex"43", "Not Yet Available");
+    add(hex"44", "Awaiting Your Availability/Signal");
+    add(hex"45", "No Longer Available");
+
+    add(hex"E0", "Decrypt Failure");
+    add(hex"E1", "Decrypt Success");
+    add(hex"E2", "Signed");
+    add(hex"E3", "Oter Party Signature Required");
+    add(hex"E4", "Your Signature Expired");
+    add(hex"E5", "Token Expired");
+
+    add(hex"F0", "Off Chain Failure");
+    add(hex"F1", "Off Chain Success");
+    add(hex"F2", "Off Chain Process Started");
+    add(hex"F3", "Awaiting Off Chain Completion");
+    add(hex"F4", "Off Chain Action Required");
+    add(hex"F5", "Off Chain Service Not Available");
+
+    add(hex"FF", "Data Source is Off Chain (ie: no guarantees)");
+  }
+}

contracts/localization/StatusCodeLocalization.sol

@@ -0,0 +1,15 @@
+pragma solidity ^0.4.23;
+
+contract StatusCodeLocalization {
+    mapping(byte => string) public messages;
+
+    event StatusCode(byte indexed code, string indexed message);
+
+    function add(byte _code, string _msg) internal {
+        messages[_code] = _msg;
+    }
+
+    function log(byte _code) external {
+        emit StatusCode(_code, messages[_code]);
+    }
+}