refactor out of the recorder executioncontext and udapp

src/app/tabs/runTab/model/blockchain.js

@@ -2,13 +2,30 @@ const remixLib = require('remix-lib')
 const txFormat = remixLib.execution.txFormat
 const txExecution = remixLib.execution.txExecution
 const typeConversion = remixLib.execution.typeConversion
+const EventManager = remixLib.EventManager
 const Web3 = require('web3')
 
 class Blockchain {
 
   constructor (executionContext, udapp) {
+    this.event = new EventManager()
     this.executionContext = executionContext
     this.udapp = udapp
+    this.setupEvents()
+  }
+
+  setupEvents() {
+    this.executionContext.event.register('contextChanged', () => {
+      this.event.trigger('contextChanged', [])
+    })
+
+    this.udapp.event.register('initiatingTransaction', () => {
+      this.event.trigger('initiatingTransaction', [])
+    })
+
+    this.udapp.event.register('transactionExecuted', () => {
+      this.event.trigger('transactionExecuted', [])
+    })
   }
 
   async deployContract (selectedContract, args, contractMetadata, compilerContracts, callbacks, confirmationCb) {
@@ -120,6 +137,14 @@ class Blockchain {
     return determineGasFeesCb
   }
 
+  getAddressFromTransactionResult(txResult) {
+    return this.executionContext.isVM() ? txResult.result.createdAddress : txResult.result.contractAddress
+  }
+
+  getAccounts (cb) {
+    return this.udapp.getAccounts(cb)
+  }
+
 }
 
 module.exports = Blockchain

src/app/tabs/runTab/model/recorder.js

@@ -12,16 +12,15 @@ var helper = require('../../../../lib/helper.js')
   *
   */
 class Recorder {
-  constructor (executionContext, udapp, fileManager, config) {
+  constructor (blockchain, fileManager, config) {
     var self = this
     self.event = new EventManager()
-    self.executionContext = executionContext
+    self.blockchain = blockchain
     self.data = { _listen: true, _replay: false, journal: [], _createdContracts: {}, _createdContractsReverse: {}, _usedAccounts: {}, _abis: {}, _contractABIReferences: {}, _linkReferences: {} }
-    this.udapp = udapp
     this.fileManager = fileManager
     this.config = config
 
-    this.udapp.event.register('initiatingTransaction', (timestamp, tx, payLoad) => {
+    this.blockchain.event.register('initiatingTransaction', (timestamp, tx, payLoad) => {
       if (tx.useCall) return
       var { from, to, value } = tx
 
@@ -59,7 +58,7 @@ class Recorder {
           if (thistimestamp) record.parameters[p] = `created{${thistimestamp}}`
         }
 
-        this.udapp.getAccounts((error, accounts) => {
+        this.blockchain.getAccounts((error, accounts) => {
           if (error) return console.log(error)
           record.from = `account{${accounts.indexOf(from)}}`
           self.data._usedAccounts[record.from] = from
@@ -68,11 +67,11 @@ class Recorder {
       }
     })
 
-    this.udapp.event.register('transactionExecuted', (error, from, to, data, call, txResult, timestamp) => {
+    this.blockchain.event.register('transactionExecuted', (error, from, to, data, call, txResult, timestamp) => {
       if (error) return console.log(error)
       if (call) return
 
-      const rawAddress = this.executionContext.isVM() ? txResult.result.createdAddress : txResult.result.contractAddress
+      const rawAddress = this.blockchain.getAddressFromTransactionResult(txResult)
       if (!rawAddress) return // not a contract creation
       const stringAddress = this.addressToString(rawAddress)
       const address = ethutil.toChecksumAddress(stringAddress)
@@ -80,7 +79,7 @@ class Recorder {
       this.data._createdContracts[address] = timestamp
       this.data._createdContractsReverse[timestamp] = address
     })
-    this.executionContext.event.register('contextChanged', this.clearAll.bind(this))
+    this.blockchain.event.register('contextChanged', this.clearAll.bind(this))
     this.event.register('newTxRecorded', (count) => {
       this.event.trigger('recorderCountChange', [count])
     })
@@ -183,7 +182,6 @@ class Recorder {
     * @param {Object} accounts
     * @param {Object} options
     * @param {Object} abis
-    * @param {Object} udapp
     * @param {Function} newContractFn
     *
     */
@@ -195,8 +193,7 @@ class Recorder {
       var record = self.resolveAddress(tx.record, accounts, options)
       var abi = abis[tx.record.abi]
       if (!abi) {
-        alertCb('cannot find ABI for ' + tx.record.abi + '.  Execution stopped at ' + index)
-        return
+        return alertCb('cannot find ABI for ' + tx.record.abi + '.  Execution stopped at ' + index)
       }
       /* Resolve Library */
       if (record.linkReferences && Object.keys(record.linkReferences).length) {
@@ -220,8 +217,7 @@ class Recorder {
       }
       if (!fnABI) {
         alertCb('cannot resolve abi of ' + JSON.stringify(record, null, '\t') + '. Execution stopped at ' + index)
-        cb('cannot resolve abi')
-        return
+        return cb('cannot resolve abi')
       }
       if (tx.record.parameters) {
         /* check if we have some params to resolve */
@@ -239,27 +235,25 @@ class Recorder {
             tx.record.parameters[index] = value
           })
         } catch (e) {
-          alertCb('cannot resolve input parameters ' + JSON.stringify(tx.record.parameters) + '. Execution stopped at ' + index)
-          return
+          return alertCb('cannot resolve input parameters ' + JSON.stringify(tx.record.parameters) + '. Execution stopped at ' + index)
         }
       }
       var data = format.encodeData(fnABI, tx.record.parameters, tx.record.bytecode)
       if (data.error) {
         alertCb(data.error + '. Record:' + JSON.stringify(record, null, '\t') + '. Execution stopped at ' + index)
-        cb(data.error)
-        return
-      } else {
+        return cb(data.error)
+      }
       logCallBack(`(${index}) ${JSON.stringify(record, null, '\t')}`)
       logCallBack(`(${index}) data: ${data.data}`)
       record.data = { dataHex: data.data, funArgs: tx.record.parameters, funAbi: fnABI, contractBytecode: tx.record.bytecode, contractName: tx.record.contractName, timestamp: tx.timestamp }
-      }
-      self.udapp.runTx(record, confirmationCb, continueCb, promptCb,
+
+      self.blockchain.runTransaction (record, continueCb, promptCb, confirmationCb,
         function (err, txResult) {
           if (err) {
             console.error(err)
-            logCallBack(err + '. Execution failed at ' + index)
-          } else {
-            const rawAddress = self.executionContext.isVM() ? txResult.result.createdAddress : txResult.result.contractAddress
+            return logCallBack(err + '. Execution failed at ' + index)
+          }
+          const rawAddress = self.blockchain.getAddressFromTransactionResult(txResult)
           if (rawAddress) {
             const stringAddress = self.addressToString(rawAddress)
             const address = ethutil.toChecksumAddress(stringAddress)
@@ -268,7 +262,6 @@ class Recorder {
             self.data._createdContractsReverse[tx.timestamp] = address
             newContractFn(abi, address, record.contractName)
           }
-          }
           cb(err)
         }
       )

src/app/udapp/run-tab.js

@@ -153,7 +153,7 @@ export class RunTab extends LibraryPlugin {
   renderRecorder (udapp, udappUI, fileManager, config, logCallback) {
     this.recorderCount = yo`<span>0</span>`
 
-    const recorder = new Recorder(this.executionContext, udapp, fileManager, config)
+    const recorder = new Recorder(this.blockchain, fileManager, config)
     recorder.event.register('recorderCountChange', (count) => {
       this.recorderCount.innerText = count
     })