Fixed bool and number types not throwing an exception in the ABI decoding for empty bytes.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ethers",
-  "version": "3.0.6",
+  "version": "3.0.7",
   "description": "Ethereum wallet library.",
   "main": "index.js",
   "scripts": {

tests/test-contract-interface.js

@@ -228,3 +228,16 @@ describe('Test Interface Signatures', function() {
         })
     });
 });
+
+describe('Test Invalid Input', function() {
+    var coder = ethers.utils.AbiCoder.defaultCoder;
+    it('null input failed', function() {
+        assert.throws(function() {
+            var result = coder.decode([ 'bool' ], '0x');
+            console.log(result);
+        }, function(error) {
+            assert.equal(error.message, 'invalid bool', 'got invalid bool');
+            return true;
+        }, 'null bytes throws an error');
+    });
+});

utils/abi-coder.js

@@ -70,6 +70,7 @@ var coderNumber = function(coerceFunc, size, signed, localName) {
             return utils.padZeros(utils.arrayify(value), 32);
         },
         decode: function(data, offset) {
+            if (data.length < offset + 32) { throwError('invalid ' + name); }
             var junkLength = 32 - size;
             var value = utils.bigNumberify(data.slice(offset + junkLength, offset + 32));
             if (signed) {
@@ -98,7 +99,14 @@ var coderBoolean = function(coerceFunc, localName) {
            return uint256Coder.encode(value ? 1: 0);
         },
        decode: function(data, offset) {
+            try {
                 var result = uint256Coder.decode(data, offset);
+            } catch (error) {
+                if (error.message === 'invalid uint256') {
+                    throwError('invalid bool');
+                }
+                throw error;
+            }
             return {
                 consumed: result.consumed,
                 value: coerceFunc('boolean', !result.value.isZero())