From 2d28606ca4b51e2bd165aae2d530f7c897190c1e Mon Sep 17 00:00:00 2001
From: yann300 <yann.levreau@gmail.com>
Date: Wed, 14 Dec 2016 13:25:17 +0100
Subject: [PATCH] decodeLocals, decodeFromMemory Struct

---
 src/solidity/types/Struct.js | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/src/solidity/types/Struct.js b/src/solidity/types/Struct.js
index 172d919d01..666c45a02e 100644
--- a/src/solidity/types/Struct.js
+++ b/src/solidity/types/Struct.js
@@ -20,4 +20,29 @@ Struct.prototype.decodeFromStorage = function (location, storageContent) {
   return ret
 }
 
+Struct.prototype.decodeLocals = function (stackHeight, stack, memory) {
+  if (stack.length - 1 < stackHeight) {
+    return {}
+  } else { // TODO manage decoding locals from storage
+    var offset = stack[stack.length - 1 - stackHeight]
+    offset = 2 * parseInt(offset, 16)
+    return this.decodeFromMemory(offset, memory)
+  }
+}
+
+Struct.prototype.decodeFromMemory = function (offset, memory) {
+  var ret = {}
+  this.members.map(function (item, i) {
+    var contentOffset = offset
+    if (item.type.typeName === 'bytes' || item.type.typeName === 'string' || item.type.typeName === 'array' || item.type.typeName === 'struct') {
+      contentOffset = memory.substr(offset, 64)
+      contentOffset = 2 * parseInt(contentOffset, 16)
+    }
+    var member = item.type.decodeFromMemory(contentOffset, memory)
+    ret[item.name] = member
+    offset += 64
+  })
+  return ret
+}
+
 module.exports = Struct