getMethodWithName

dist/ethereum.js

@@ -56,6 +56,16 @@ var findMethodIndex = function (json, methodName) {
     });
 };
 
+/// @returns method with given method name
+var getMethodWithName = function (json, methodName) {
+    var index = findMethodIndex(json, methodName);
+    if (index === -1) {
+        console.error('method ' + methodName + ' not found in the abi');
+        return undefined;
+    }
+    return json[index];
+};
+
 /// @param string string to be padded
 /// @param number of characters that result string should have
 /// @param sign, by default 0
@@ -159,13 +169,8 @@ var inputTypes = setupInputTypes();
 /// @returns bytes representation of input params
 var toAbiInput = function (json, methodName, params) {
     var bytes = "";
-    var index = findMethodIndex(json, methodName);
-
-    if (index === -1) {
-        return;
-    }
 
-    var method = json[index];
+    var method = getMethodWithName(json, methodName);
     var padding = ETH_PADDING * 2;
 
     /// first we iterate in search for dynamic 
@@ -281,16 +286,10 @@ var outputTypes = setupOutputTypes();
 /// @param bytes representtion of output 
 /// @returns array of output params 
 var fromAbiOutput = function (json, methodName, output) {
-    var index = findMethodIndex(json, methodName);
-
-    if (index === -1) {
-        return;
-    }
-
+    
     output = output.slice(2);
-
     var result = [];
-    var method = json[index];
+    var method = getMethodWithName(json, methodName);
     var padding = ETH_PADDING * 2;
 
     var dynamicPartLength = method.outputs.reduce(function (acc, curr) {
@@ -404,7 +403,8 @@ module.exports = {
     outputParser: outputParser,
     methodSignature: methodSignature,
     methodDisplayName: methodDisplayName,
-    methodTypeName: methodTypeName
+    methodTypeName: methodTypeName,
+    getMethodWithName: getMethodWithName
 };
 
 

lib/abi.js

@@ -55,6 +55,16 @@ var findMethodIndex = function (json, methodName) {
     });
 };
 
+/// @returns method with given method name
+var getMethodWithName = function (json, methodName) {
+    var index = findMethodIndex(json, methodName);
+    if (index === -1) {
+        console.error('method ' + methodName + ' not found in the abi');
+        return undefined;
+    }
+    return json[index];
+};
+
 /// @param string string to be padded
 /// @param number of characters that result string should have
 /// @param sign, by default 0
@@ -158,13 +168,8 @@ var inputTypes = setupInputTypes();
 /// @returns bytes representation of input params
 var toAbiInput = function (json, methodName, params) {
     var bytes = "";
-    var index = findMethodIndex(json, methodName);
-
-    if (index === -1) {
-        return;
-    }
 
-    var method = json[index];
+    var method = getMethodWithName(json, methodName);
     var padding = ETH_PADDING * 2;
 
     /// first we iterate in search for dynamic 
@@ -280,16 +285,10 @@ var outputTypes = setupOutputTypes();
 /// @param bytes representtion of output 
 /// @returns array of output params 
 var fromAbiOutput = function (json, methodName, output) {
-    var index = findMethodIndex(json, methodName);
-
-    if (index === -1) {
-        return;
-    }
-
+    
     output = output.slice(2);
-
     var result = [];
-    var method = json[index];
+    var method = getMethodWithName(json, methodName);
     var padding = ETH_PADDING * 2;
 
     var dynamicPartLength = method.outputs.reduce(function (acc, curr) {
@@ -403,6 +402,7 @@ module.exports = {
     outputParser: outputParser,
     methodSignature: methodSignature,
     methodDisplayName: methodDisplayName,
-    methodTypeName: methodTypeName
+    methodTypeName: methodTypeName,
+    getMethodWithName: getMethodWithName
 };