preprocess/handlers done

multiparty · Jun 4, 2024 · 4c0eafd · 4c0eafd
1 parent 8b013ad
commit 4c0eafd
Show file tree

Hide file tree

Showing 2 changed files with 29 additions and 26 deletions.
diff --git a/lib/client/preprocessing/handlers.js b/lib/client/preprocessing/handlers.js
@@ -1,16 +1,16 @@
 // internal functions for use in preprocessing function map
-module.exports = {
-  bits_count: function (threshold, receivers_list, compute_list, Zp, op_id, params) {
+class PreprocessHandlers {
+  bits_count(threshold, receivers_list, compute_list, Zp, op_id, params) {
     let bitLength = params.bitLength;
     if (bitLength == null) {
       bitLength = Zp.toString(2).length;
     }
     return bitLength;
-  },
-  constant_bits_count: function () {
+  }
+  constant_bits_count() {
     return module.exports.bits_count.apply(null, arguments) - 1;
-  },
-  dynamic_bits_cmult: function (dependent_op, count, protocols, threshold, receivers_list, compute_list, Zp, task_id, params) {
+  }
+  dynamic_bits_cmult(dependent_op, count, protocols, threshold, receivers_list, compute_list, Zp, task_id, params) {
     // constant bit length
     let constantBits = Zp.toString(2).length;
     if (params.constantBits != null) {
@@ -28,8 +28,8 @@ module.exports = {
       ops.push({ op: 'bits.sadd', op_id: ':bits.sadd:' + i, params: { bitLengthLeft: accLength, bitLengthRight: bitLength + i } });
     }
     return ops;
-  },
-  dynamic_bits_smult: function (dependent_op, count, protocols, threshold, receivers_list, compute_list, Zp, task_id, params) {
+  }
+  dynamic_bits_smult(dependent_op, count, protocols, threshold, receivers_list, compute_list, Zp, task_id, params) {
     let bitLength = params.bitLength;
     if (bitLength == null) {
       bitLength = Zp.toString(2).length;
@@ -51,8 +51,8 @@ module.exports = {
       ops.push({ op: 'bits.sadd', op_id: ':bits.sadd:' + i, params: { bitLengthLeft: accLength, bitLengthRight: max + i } });
     }
     return ops;
-  },
-  choice_bits_count: function (choice, offset) {
+  }
+  choice_bits_count(choice, offset) {
     if (offset == null) {
       offset = 0;
     }
@@ -69,11 +69,11 @@ module.exports = {
 
       return choice(left, right) + offset;
     };
-  },
-  decomposition_ifelse_count: function (threshold, receivers_list, compute_list, Zp, op_id, params) {
+  }
+  decomposition_ifelse_count(threshold, receivers_list, compute_list, Zp, op_id, params) {
     return Zp.toString(2).length;
-  },
-  dynamic_bits_sdiv: function (dependent_op, count, protocols, threshold, receivers_list, compute_list, Zp, task_id, params) {
+  }
+  dynamic_bits_sdiv(dependent_op, count, protocols, threshold, receivers_list, compute_list, Zp, task_id, params) {
     let bitLength = params.bitLength;
     if (bitLength == null) {
       bitLength = Zp.toString(2).length;
@@ -94,8 +94,8 @@ module.exports = {
       }
     }
     return ops;
-  },
-  dynamic_bits_cdiv: function (dir) {
+  }
+  dynamic_bits_cdiv(dir) {
     return function (dependent_op, count, protocols, threshold, receivers_list, compute_list, Zp, task_id, params) {
       let constantBits = Zp.toString(2).length;
       if (params.constantBits != null) {
@@ -131,9 +131,9 @@ module.exports = {
       }
       return ops;
     };
-  },
+  }
   // rejection sampling
-  dynamic_rejection_sampling: function (dependent_op, count, protocols, threshold, receivers_list, compute_list, Zp, task_id, params, task, jiff) {
+  dynamic_rejection_sampling(dependent_op, count, protocols, threshold, receivers_list, compute_list, Zp, task_id, params, task, jiff) {
     const previousPreprocessing = jiff.preprocessing_table[task.id];
     params.reject_count = params.reject_count == null ? -1 : params.reject_count;
 
@@ -201,9 +201,9 @@ module.exports = {
     }
 
     return [];
-  },
+  }
   // random quotients for cdiv
-  dynamic_random_and_quotient: function (dependent_op, count, protocols, threshold, receivers_list, compute_list, Zp, task_id, params, task, jiff) {
+  dynamic_random_and_quotient(dependent_op, count, protocols, threshold, receivers_list, compute_list, Zp, task_id, params, task, jiff) {
     const constantNotProvided = params.constant == null;
     receivers_list = constantNotProvided ? compute_list : receivers_list;
     Zp = Zp ? Zp : jiff.Zp;
@@ -237,9 +237,9 @@ module.exports = {
     );
 
     return dependent_ops;
-  },
+  }
   // fast exponentiation
-  dynamic_fast_exponentiation: function (dependent_op, count, protocols, threshold, receivers_list, compute_list, Zp, task_id, params, task, jiff) {
+  dynamic_fast_exponentiation(dependent_op, count, protocols, threshold, receivers_list, compute_list, Zp, task_id, params, task, jiff) {
     Zp = Zp ? Zp : jiff.Zp;
     const constantNotProvided = params.constant == null;
     let constant = params.constant;
@@ -275,11 +275,13 @@ module.exports = {
     }
     ops.push({ op: 'smult', op_id: ':smult0:' + i });
     return ops;
-  },
+  }
   // for various equality tests, preprocess of cpow(Zp - 1) (Fermat's little theorem)
-  handler_cpow_Zp_minus_1: function (threshold, receivers_list, compute_list, Zp, op_id, params, task, jiff) {
+  handler_cpow_Zp_minus_1(threshold, receivers_list, compute_list, Zp, op_id, params, task, jiff) {
     Zp = Zp ? Zp : jiff.Zp;
     params.constant = jiff.share_helpers['-'](Zp, 1);
     return params;
   }
-};
+}
+
+module.exports = PreprocessHandlers;
diff --git a/lib/client/preprocessing/map.js b/lib/client/preprocessing/map.js
@@ -1,4 +1,5 @@
-const handlers = require('./handlers.js');
+const PreprocessHandlers = require('./handlers.js');
+const handlers = new PreprocessHandlers();
 
 class PreprocessingMap {
   constructor(jiffClient) {