events

dist/ethereum.js

@@ -504,32 +504,44 @@ var inputWithName = function (inputs, name) {
     var index = utils.findIndex(inputs, function (input) {
         return input.name === name;
     });
+    
     if (index === -1) {
-       console.error('indexed param ' + name + ' not found in the abi');
+        console.error('indexed paray with name ' + name + ' not found');
         return undefined;
     }
     return inputs[index];
 };
 
-var indexedParamsToTopics = function (inputs, indexed) {
-    Object.keys(indexed).map(function (key) {
-        var inp = inputWithName(key); 
+var indexedParamsToTopics = function (event, indexed) {
+    // sort keys?
+    return Object.keys(indexed).map(function (key) {
+        // TODO: simplify this!
+        var parser = abi.inputParser([{
+            name: 'test', 
+            inputs: [inputWithName(event.inputs, key)] 
+        }]);
+
         var value = indexed[key];
         if (value instanceof Array) {
-            
+            return value.map(function (v) {
+                return parser.test(v);
+            }); 
         }
+        return parser.test(value);
     });
 };
 
 var implementationOfEvent = function (address, signature, event) {
     
-    
     // valid options are 'earliest', 'latest', 'offset' and 'max', as defined for 'eth.watch'
     return function (indexed, options) {
         var o = options || {};
         o.address = address;
         o.topic = [];
         o.topic.push(signature);
+        if (indexed) {
+            o.topic = o.topic.concat(indexedParamsToTopics(event, indexed));
+        }
         return o;
     };
 };

lib/event.js

@@ -27,32 +27,44 @@ var inputWithName = function (inputs, name) {
     var index = utils.findIndex(inputs, function (input) {
         return input.name === name;
     });
+    
     if (index === -1) {
-       console.error('indexed param ' + name + ' not found in the abi');
+        console.error('indexed paray with name ' + name + ' not found');
         return undefined;
     }
     return inputs[index];
 };
 
-var indexedParamsToTopics = function (inputs, indexed) {
-    Object.keys(indexed).map(function (key) {
-        var inp = inputWithName(key); 
+var indexedParamsToTopics = function (event, indexed) {
+    // sort keys?
+    return Object.keys(indexed).map(function (key) {
+        // TODO: simplify this!
+        var parser = abi.inputParser([{
+            name: 'test', 
+            inputs: [inputWithName(event.inputs, key)] 
+        }]);
+
         var value = indexed[key];
         if (value instanceof Array) {
-            
+            return value.map(function (v) {
+                return parser.test(v);
+            }); 
         }
+        return parser.test(value);
     });
 };
 
 var implementationOfEvent = function (address, signature, event) {
     
-    
     // valid options are 'earliest', 'latest', 'offset' and 'max', as defined for 'eth.watch'
     return function (indexed, options) {
         var o = options || {};
         o.address = address;
         o.topic = [];
         o.topic.push(signature);
+        if (indexed) {
+            o.topic = o.topic.concat(indexedParamsToTopics(event, indexed));
+        }
         return o;
     };
 };

test/event.js

@@ -1,5 +1,6 @@
 var assert = require('assert');
 var event = require('../lib/event.js');
+var f = require('../lib/formatters.js');
 
 describe('event', function () {
     it('should create basic filter input object', function () {
@@ -7,9 +8,13 @@ describe('event', function () {
         // given
         var address = '0x012345'; 
         var signature = '0x987654';
+        var e = {
+            name: 'Event',
+            inputs: [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}]
+        };
 
         // when
-        var impl = event(address, signature);
+        var impl = event(address, signature, e);
         var result = impl();
 
         // then
@@ -19,7 +24,7 @@ describe('event', function () {
 
     });
 
-    it('should create basic filter input object', function () {
+    it('should create filter input object with options', function () {
         
         // given
         var address = '0x012345';
@@ -30,9 +35,13 @@ describe('event', function () {
             offset: 3,
             max: 4
         };
+        var e = {
+            name: 'Event',
+            inputs: [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}]
+        };
 
         // when
-        var impl = event(address, signature); 
+        var impl = event(address, signature, e); 
         var result = impl({}, options);
 
         // then
@@ -46,5 +55,70 @@ describe('event', function () {
     
     });
 
+    it('should create filter input object with indexed params', function () {
+    
+        // given
+        var address = '0x012345';
+        var signature = '0x987654';
+        var options = {
+            earliest: 1,
+            latest: 2,
+            offset: 3,
+            max: 4
+        };
+        var e = {
+            name: 'Event',
+            inputs: [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}]
+        };
+
+        // when
+        var impl = event(address, signature, e); 
+        var result = impl({a: 4}, options);
+
+        // then
+        assert.equal(result.address, address);
+        assert.equal(result.topic.length, 2);
+        assert.equal(result.topic[0], signature);
+        assert.equal(result.topic[1], f.formatInputInt(4));
+        assert.equal(result.earliest, options.earliest);
+        assert.equal(result.latest, options.latest);
+        assert.equal(result.offset, options.offset);
+        assert.equal(result.max, options.max);
+
+    });
+
+    it('should create filter input object with an array of indexed params', function () {
+    
+        // given
+        var address = '0x012345';
+        var signature = '0x987654';
+        var options = {
+            earliest: 1,
+            latest: 2,
+            offset: 3,
+            max: 4
+        };
+        var e = {
+            name: 'Event',
+            inputs: [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}]
+        };
+
+        // when
+        var impl = event(address, signature, e); 
+        var result = impl({a: [4, 69]}, options);
+
+        // then
+        assert.equal(result.address, address);
+        assert.equal(result.topic.length, 2);
+        assert.equal(result.topic[0], signature);
+        assert.equal(result.topic[1][0], f.formatInputInt(4));
+        assert.equal(result.topic[1][1], f.formatInputInt(69));
+        assert.equal(result.earliest, options.earliest);
+        assert.equal(result.latest, options.latest);
+        assert.equal(result.offset, options.offset);
+        assert.equal(result.max, options.max);
+
+    });
+
 });