decode:

- address
- bool
- dynamic byte array
- enum
- fixed byte array
- string

src/solidity/types/util.js

@@ -31,6 +31,30 @@ function readFromStorage (slot, storageContent) {
     } else {
       ret = '000000000000000000000000000000000000000000000000000000000000000'
     }
+    return extractSlotValue(storageContent[slot], storageBytes, location)
+  },
+
+  dynamicTypePointer: function getDynamicPointer (location) {
+    var remoteSlot = formatSlot(location.slot)
+    var key = ethutil.sha3(remoteSlot)
+    return ethutil.bufferToHex(key)
+  }
+
+}
+
+function formatSlot (slot) {
+  return ethutil.bufferToHex(ethutil.setLengthLeft(slot, 32))
+}
+
+function extractSlotValue (slotValue, storageBytes, location) {
+  slotValue = slotValue.replace('0x', '')
+  var offset = slotValue.length - 2 * location.offset - 2 * storageBytes
+  if (offset >= 0) {
+    return '0x' + slotValue.substr(offset, 2 * storageBytes)
+  } else if (offset + 2 * storageBytes > 0) {
+    return '0x' + slotValue.substr(0, 2 * storageBytes + offset)
+  } else {
+    return '0x0'
   }
   if (ret.length < 64) {
     ret = (new Array(64 - ret.length + 1).join('0')) + ret

test/solidity/storageDecoder.js

@@ -54,6 +54,47 @@ function testIntStorage (st) {
 function testByteStorage (st) {
   var byteStorage = require('./contracts/byteStorage')
   var output = compiler.compile(byteStorage.contract, 0)
+  var decoded = stateDecoder.solidityState(byteStorage.storage, output.sources, 'byteStorage')
+  st.equal(decoded['b1'], false)
+  st.equal(decoded['a1'], '0xfe350f199f244ac9a79038d254400b632a633225')
+  st.equal(decoded['b2'], true)
+  st.equal(decoded['dynb1'], '0x64796e616d69636279746573')
+  st.equal(decoded['stab'], '0x1')
+  st.equal(decoded['stab1'], '0x12')
+  st.equal(decoded['stab2'], '0x1579')
+  st.equal(decoded['stab3'], '0x359356')
+  st.equal(decoded['stab4'], '0x2375')
+  st.equal(decoded['stab5'], '0x2357645')
+  st.equal(decoded['stab6'], '0x324435')
+  st.equal(decoded['stab7'], '0x324324')
+  st.equal(decoded['stab8'], '0x324554645765')
+  st.equal(decoded['stab9'], '0x3434543')
+  st.equal(decoded['stab10'], '0x4543543654657')
+  st.equal(decoded['stab11'], '0x54354654')
+  st.equal(decoded['stab12'], '0x3')
+  st.equal(decoded['stab13'], '0x3243242345435')
+  st.equal(decoded['stab14'], '0x32454354354353')
+  st.equal(decoded['stab15'], '0x32454434435')
+  st.equal(decoded['stab16'], '0x3245435444')
+  st.equal(decoded['stab17'], '0x32454343243243245')
+  st.equal(decoded['stab18'], '0x324534325435435')
+  st.equal(decoded['stab19'], '0x324543435435435')
+  st.equal(decoded['stab20'], '0x32454543543AB35')
+  st.equal(decoded['stab21'], '0x32454432423435')
+  st.equal(decoded['stab22'], '0x324543AEF5')
+  st.equal(decoded['stab23'], '0x3245435FFF')
+  st.equal(decoded['stab24'], '0x3245435F')
+  st.equal(decoded['stab25'], '0x3245435F')
+  st.equal(decoded['stab26'], '0x3245435F')
+  st.equal(decoded['stab27'], '0x3245FFFFFFF')
+  st.equal(decoded['stab28'], '0x3241235')
+  st.equal(decoded['stab29'], '0x325213213')
+  st.equal(decoded['stab30'], '0x3245435232423')
+  st.equal(decoded['stab31'], '0x3245435123')
+  st.equal(decoded['stab32'], '0x324324423432543543AB')
+  st.equal(decoded['enumDec'], 'd')
+  st.equal(decoded['str1'], 'short')
+  st.equal(decoded['str2'], 'long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long__long')
   for (var storage of [byteStorage.storage, shrinkStorage(byteStorage.storage)]) {
     var decoded = stateDecoder.solidityState(storage, output.sources, 'byteStorage')
     st.equal(decoded['b1'], false)