refacto getMemoryAt

libs/remix-debug/src/Ethdebugger.js

@@ -98,7 +98,15 @@ Ethdebugger.prototype.decodeLocalsAt = function (step, sourceLocation, callback)
         callback(error)
       }
     },
-    this.traceManager.getMemoryAt,
+    function getMemoryAt (stepIndex, callback) {
+      try {
+        const result = self.traceManager.getMemoryAt(stepIndex)
+        callback(null, result)
+      } catch (error) {
+        callback(error)
+      }
+    },
+
     function getCurrentCalledAddressAt (stepIndex, next) {
       try {
         const address = self.traceManager.getCurrentCalledAddressAt(stepIndex)

libs/remix-debug/src/debugger/VmDebugger.js

@@ -69,14 +69,14 @@ class VmDebuggerLogic {
         }
       })
 
-      this._traceManager.getMemoryAt(index, (error, memory) => {
-        if (error) {
-          // console.log(error)
-          this.event.trigger('traceManagerMemoryUpdate', [{}])
-        } else if (this.stepManager.currentStepIndex === index) {
+      try {
+        const memory = this._traceManager.getMemoryAt(index)
+        if (this.stepManager.currentStepIndex === index) {
           this.event.trigger('traceManagerMemoryUpdate', [ui.formatMemory(memory, 16)])
         }
-      })
+      } catch (error) {
+        this.event.trigger('traceManagerMemoryUpdate', [{}])
+      }
 
       try {
         const callstack = this._traceManager.getCallStackAt(index)

libs/remix-debug/src/debugger/solidityLocals.js

@@ -41,7 +41,14 @@ class DebuggerSolidityLocals {
           callback(error)
         }
       },
-      this.traceManager.getMemoryAt,
+      function getMemoryAt (stepIndex, callback) {
+        try {
+          const result = self.traceManager.getMemoryAt(stepIndex)
+          callback(null, result)
+        } catch (error) {
+          callback(error)
+        }
+      },
       function getCurrentCalledAddressAt (stepIndex, next) {
         try {
           const address = this.traceManager.getCurrentCalledAddressAt(stepIndex)

libs/remix-debug/src/solidity-decoder/internalCallTree.js

@@ -228,8 +228,8 @@ function includeVariableDeclaration (tree, step, sourceLocation, scopeId, newLoc
       const stack = tree.traceManager.getStackAt(step)
       // the stack length at this point is where the value of the new local variable will be stored.
       // so, either this is the direct value, or the offset in memory. That depends on the type.
-      tree.solidityProxy.contractNameAt(step, (error, contractName) => { // cached
-        if (!error && variableDeclaration.attributes.name !== '') {
+      tree.solidityProxy.contractNameAt(step).then((contractName) => {
+        if (variableDeclaration.attributes.name !== '') {
           var states = tree.solidityProxy.extractStatesDefinitions()
           var location = typesUtil.extractLocationFromAstVariable(variableDeclaration)
           location = location === 'default' ? 'storage' : location
@@ -242,7 +242,7 @@ function includeVariableDeclaration (tree, step, sourceLocation, scopeId, newLoc
           }
         }
       })
-    } catch (error) {
+    } catch (_error) {
     }
   }
   // we check here if we are at the beginning inside a new function.
@@ -254,8 +254,7 @@ function includeVariableDeclaration (tree, step, sourceLocation, scopeId, newLoc
     // means: the previous location was a function definition && JUMPDEST
     // => we are at the beginning of the function and input/output are setup
 
-    tree.solidityProxy.contractNameAt(step, (error, contractName) => { // cached
-      if (!error) {
+    tree.solidityProxy.contractNameAt(step).then((contractName) => { // cached
       try {
         const stack = tree.traceManager.getStackAt(step)
         var states = tree.solidityProxy.extractStatesDefinitions()
@@ -278,8 +277,7 @@ function includeVariableDeclaration (tree, step, sourceLocation, scopeId, newLoc
           // output params
           if (outputs) addParams(outputs, tree, scopeId, states, contractName, previousSourceLocation, stack.length, 0, 1)
         }
-        } catch (error) {
-        }
+      } catch (_error) {
       }
     })
 

libs/remix-debug/src/solidity-decoder/solidityProxy.js

@@ -39,26 +39,25 @@ class SolidityProxy {
     * @param {Int} vmTraceIndex  - index in the vm trave where to resolve the executed contract name
     * @param {Function} cb  - callback returns (error, contractName)
     */
-  contractNameAt (vmTraceIndex, cb) {
+  contractNameAt (vmTraceIndex) {
+    return new Promise((resolve, reject) => {
       try {
         const address = this.traceManager.getCurrentCalledAddressAt(vmTraceIndex)
-
         if (this.cache.contractNameByAddress[address]) {
-        cb(null, this.cache.contractNameByAddress[address])
-      } else {
+          return resolve(this.cache.contractNameByAddress[address])
+        }
         this.codeManager.getCode(address, (error, code) => {
           if (error) {
-            cb(error)
-          } else {
+            return reject(error)
+          }
           const contractName = contractNameFromCode(this.contracts, code.bytecode, address)
           this.cache.contractNameByAddress[address] = contractName
-            cb(null, contractName)
-          }
+          resolve(contractName)
         })
-      }
       } catch (error) {
-      cb(error)
+        reject(error)
       }
+    })
   }
 
   /**
@@ -98,12 +97,9 @@ class SolidityProxy {
     */
   extractStateVariablesAt (vmtraceIndex) {
     return new Promise((resolve, reject) => {
-      this.contractNameAt(vmtraceIndex, (error, contractName) => {
-        if (error) {
-          return reject(error)
-        }
-        return resolve(this.extractStateVariables(contractName))
-      })
+      this.contractNameAt(vmtraceIndex).then((contractName) => {
+        resolve(this.extractStateVariables(contractName))
+      }).catch(reject)
     })
   }
 

libs/remix-debug/test/decoder/localsTests/helper.js

@@ -15,7 +15,14 @@ function decodeLocal (st, index, traceManager, callTree, verifier) {
           callback(error)
         }
       },
-      traceManager.getMemoryAt],
+      function getMemoryAt (stepIndex, callback) {
+        try {
+          const result = traceManager.getMemoryAt(stepIndex)
+          callback(null, result)
+        } catch (error) {
+          callback(error)
+        }
+      }],
       index,
       function (error, result) {
         if (!error) {

libs/remix-lib/src/trace/traceManager.js

@@ -170,15 +170,13 @@ TraceManager.prototype.getContractCreationCode = function (token, callback) {
   }
 }
 
-TraceManager.prototype.getMemoryAt = function (stepIndex, callback) {
-  try {
+TraceManager.prototype.getMemoryAt = function (stepIndex) {
   this.checkRequestedStep(stepIndex)
-  } catch (check) {
-    return callback(check, null)
-  }
   const lastChanges = util.findLowerBoundValue(stepIndex, this.traceCache.memoryChanges)
-  if (lastChanges === null) return callback('no memory found', null)
-  callback(null, this.trace[lastChanges].memory)
+  if (lastChanges === null) {
+    throw new Error('no memory found')
+  }
+  return this.trace[lastChanges].memory
 }
 
 TraceManager.prototype.getCurrentPC = function (stepIndex, callback) {

libs/remix-lib/test/traceManager.js

@@ -186,25 +186,23 @@ tape('TraceManager', function (t) {
 
   t.test('TraceManager.getMemoryAt', function (st) {
     st.plan(3)
-    traceManager.getMemoryAt(0, function (error, result) {
+    try {
+      const result = traceManager.getMemoryAt(0)
       console.log(result)
-      if (error) {
-        st.fail(error)
-      } else {
       st.ok(result.length === 0)
+    } catch (error) {
+      st.fail(error)
     }
-    })
 
-    traceManager.getMemoryAt(34, function (error, result) {
+    try {
+      const result = traceManager.getMemoryAt(34)
       console.log(result)
-      if (error) {
-        st.fail(error)
-      } else {
       st.ok(result.length === 3)
       st.ok(result[2] === '0000000000000000000000000000000000000000000000000000000000000060')
+    } catch (error) {
+      st.fail(error)
     }
   })
-  })
 
   t.test('TraceManager.getCurrentPC', function (st) {
     traceManager.getCurrentPC(13, function (error, result) {