Merge pull request #1211 from ethereum/improve_remix_sim2

implement more methods in remix-sim

remix-lib/src/execution/execution-context.js

@@ -67,6 +67,7 @@ function createVm (hardfork) {
     stateManager: stateManager,
     hardfork: hardfork
   })
+  vm.blockchain.validate = false
   var web3vm = new Web3VMProvider()
   web3vm.setVM(vm)
   return { vm, web3vm, stateManager }
@@ -91,6 +92,8 @@ function ExecutionContext () {
   this.blockGasLimitDefault = 4300000
   this.blockGasLimit = this.blockGasLimitDefault
   this.customNetWorks = {}
+  this.blocks = {}
+  this.txs = {}
 
   this.init = function (config) {
     if (config.get('settings/always-use-vm')) {
@@ -217,6 +220,20 @@ function ExecutionContext () {
     }
   }
 
+  this.checkpointAndCommit = function (cb, checkpointCount) {
+    // due to issue https://github.com/ethereumjs/ethereumjs-vm/issues/567
+    if (this.vm().stateManager._checkpointCount > (checkpointCount || 0)) {
+      return this.vm().stateManager.commit(() => {
+        cb()
+      })
+    }
+    this.vm().stateManager.checkpoint(() => {
+      this.vm().stateManager.commit(() => {
+        cb()
+      })
+    })
+  }
+
   this.currentblockGasLimit = function () {
     return this.blockGasLimit
   }
@@ -274,6 +291,18 @@ function ExecutionContext () {
       return transactionDetailsLinks[network] + hash
     }
   }
+
+  this.addBlock = function (block) {
+    let blockNumber = '0x' + block.header.number.toString('hex')
+    blockNumber = web3.toHex(web3.toBigNumber(blockNumber))
+
+    self.blocks['0x' + block.hash().toString('hex')] = block
+    self.blocks[blockNumber] = block
+  }
+
+  this.trackTx = function (tx, block) {
+    self.txs[tx] = block
+  }
 }
 
 var transactionDetailsLinks = {

remix-lib/src/execution/txRunner.js

@@ -13,12 +13,14 @@ class TxRunner {
     this.blockNumber = 0
     this.runAsync = true
     if (executionContext.isVM()) {
-      this.blockNumber = 1150000 // The VM is running in Homestead mode, which started at this block.
+      // this.blockNumber = 1150000 // The VM is running in Homestead mode, which started at this block.
+      this.blockNumber = 2 // The VM is running in Homestead mode, which started at this block.
       this.runAsync = false // We have to run like this cause the VM Event Manager does not support running multiple txs at the same time.
     }
     this.pendingTxs = {}
     this.vmaccounts = vmaccounts
     this.queusTxs = []
+    this.blocks = []
   }
 
   rawRun (args, confirmationCb, gasEstimationForceSend, promptCb, cb) {
@@ -98,19 +100,20 @@ class TxRunner {
     if (!account) {
       return callback('Invalid account selected')
     }
+
     var tx = new EthJSTX({
       timestamp: timestamp,
       nonce: new BN(account.nonce++),
       gasPrice: new BN(1),
-      gasLimit: new BN(gasLimit, 10),
+      gasLimit: gasLimit,
       to: to,
       value: new BN(value, 10),
       data: Buffer.from(data.slice(2), 'hex')
     })
     tx.sign(account.privateKey)
 
-    const coinbases = [ '0x0e9281e9c6a0808672eaba6bd1220e144c9bb07a', '0x8945a1288dc78a6d8952a92c77aee6730b414778', '0x94d76e24f818426ae84aa404140e8d5f60e10e7e' ]
+    const coinbases = ['0x0e9281e9c6a0808672eaba6bd1220e144c9bb07a', '0x8945a1288dc78a6d8952a92c77aee6730b414778', '0x94d76e24f818426ae84aa404140e8d5f60e10e7e']
-    const difficulties = [ new BN('69762765929000', 10), new BN('70762765929000', 10), new BN('71762765929000', 10) ]
+    const difficulties = [new BN('69762765929000', 10), new BN('70762765929000', 10), new BN('71762765929000', 10)]
     var block = new EthJSBlock({
       header: {
         timestamp: timestamp || (new Date().getTime() / 1000 | 0),
@@ -119,28 +122,38 @@ class TxRunner {
         difficulty: difficulties[self.blockNumber % difficulties.length],
         gasLimit: new BN(gasLimit, 10).imuln(2)
       },
-      transactions: [],
+      transactions: [tx],
       uncleHeaders: []
     })
     if (!useCall) {
       ++self.blockNumber
     } else {
-      executionContext.vm().stateManager.checkpoint(() => {})
+      executionContext.vm().stateManager.checkpoint(() => { })
     }
 
-    executionContext.vm().runTx({block: block, tx: tx, skipBalance: true, skipNonce: true}, function (err, result) {
+    executionContext.checkpointAndCommit(() => {
-      if (useCall) {
+      executionContext.vm().runBlock({ block: block, generate: true, skipBlockValidation: true, skipBalance: false }, function (err, results) {
-        executionContext.vm().stateManager.revert(function () {})
+        err = err ? err.message : err
-      }
+        if (err) {
-      err = err ? err.message : err
+          return callback(err)
-      if (result) {
+        }
-        result.status = '0x' + result.vm.exception.toString(16)
+        let result = results.results[0]
-      }
+        if (useCall) {
-      callback(err, {
+          executionContext.vm().stateManager.revert(function () { })
-        result: result,
+        }
-        transactionHash: ethJSUtil.bufferToHex(Buffer.from(tx.hash()))
+        if (result) {
+          result.status = '0x' + result.vm.exception.toString(16)
+        }
+
+        executionContext.addBlock(block)
+        executionContext.trackTx('0x' + tx.hash().toString('hex'), block)
+
+        callback(err, {
+          result: result,
+          transactionHash: ethJSUtil.bufferToHex(Buffer.from(tx.hash()))
+        })
       })
-    })
+    }, 1)
   }
 
   runInNode (from, to, data, value, gasLimit, useCall, confirmCb, gasEstimationForceSend, promptCb, callback) {

remix-lib/src/web3Provider/web3VmProvider.js

@@ -40,6 +40,7 @@ function web3VmProvider () {
   this.toWei = function () { return self.web3.toWei.apply(self.web3, arguments) }
   this.toBigNumber = function () { return self.web3.toBigNumber.apply(self.web3, arguments) }
   this.isAddress = function () { return self.web3.isAddress.apply(self.web3, arguments) }
+  this.utils = Web3.utils || []
 }
 
 web3VmProvider.prototype.setVM = function (vm) {

remix-simulator/README.md

@@ -17,29 +17,29 @@ Implemented:
 * [X] eth_blockNumber
 * [X] eth_getBalance
 * [_] eth_getStorageAt
-* [~] eth_getTransactionCount
+* [X] eth_getTransactionCount
-* [_] eth_getBlockTransactionCountByHash
+* [X] eth_getBlockTransactionCountByHash
-* [_] eth_getBlockTransactionCountByNumber
+* [X] eth_getBlockTransactionCountByNumber
-* [_] eth_getUncleCountByBlockHash
+* [~] eth_getUncleCountByBlockHash
-* [_] eth_getUncleCountByBlockNumber
+* [~] eth_getUncleCountByBlockNumber
 * [X] eth_getCode
 * [~] eth_sign
 * [X] eth_sendTransaction
 * [_] eth_sendRawTransaction
 * [X] eth_call
 * [~] eth_estimateGas
-* [~] eth_getBlockByHash
+* [X] eth_getBlockByHash
-* [~] eth_getBlockByNumber
+* [X] eth_getBlockByNumber
-* [~] eth_getTransactionByHash
+* [X] eth_getTransactionByHash
-* [_] eth_getTransactionByBlockHashAndIndex
+* [X] eth_getTransactionByBlockHashAndIndex
-* [_] eth_getTransactionByBlockNumberAndIndex
+* [X] eth_getTransactionByBlockNumberAndIndex
-* [~] eth_getTransactionReceipt
+* [X] eth_getTransactionReceipt
 * [_] eth_getUncleByBlockHashAndIndex
 * [_] eth_getUncleByBlockNumberAndIndex
 * [X] eth_getCompilers (DEPRECATED)
-* [_] eth_compileSolidity (DEPRECATED)
+* [X] eth_compileSolidity (DEPRECATED)
-* [_] eth_compileLLL (DEPRECATED)
+* [X] eth_compileLLL (DEPRECATED)
-* [_] eth_compileSerpent (DEPRECATED)
+* [X] eth_compileSerpent (DEPRECATED)
 * [_] eth_newFilter
 * [_] eth_newBlockFilter
 * [_] eth_newPendingTransactionFilter
@@ -81,4 +81,3 @@ Implemented:
 * [_] rpc_modules
 * [_] web3_clientVersion
 * [_] web3_sha3
-

remix-simulator/src/genesis.js

@@ -0,0 +1,27 @@
+var EthJSBlock = require('ethereumjs-block')
+var RemixLib = require('remix-lib')
+var executionContext = RemixLib.execution.executionContext
+var ethJSUtil = require('ethereumjs-util')
+var BN = ethJSUtil.BN
+
+function generateBlock () {
+  var block = new EthJSBlock({
+    header: {
+      timestamp: (new Date().getTime() / 1000 | 0),
+      number: 1,
+      coinbase: '0x0e9281e9c6a0808672eaba6bd1220e144c9bb07a',
+      difficulty: (new BN('69762765929000', 10)),
+      gasLimit: new BN('8000000').imuln(1)
+    },
+    transactions: [],
+    uncleHeaders: []
+  })
+
+  executionContext.checkpointAndCommit(() => {
+    executionContext.vm().runBlock({ block: block, generate: true, skipBlockValidation: true, skipBalance: false }, function () {
+      executionContext.addBlock(block)
+    })
+  })
+}
+
+module.exports = generateBlock

remix-simulator/src/methods/blocks.js

@@ -1,4 +1,5 @@
-var Web3 = require('web3')
+var RemixLib = require('remix-lib')
+var executionContext = RemixLib.execution.executionContext
 
 var Blocks = function (_options) {
   const options = _options || {}
@@ -12,59 +13,75 @@ Blocks.prototype.methods = function () {
     eth_gasPrice: this.eth_gasPrice.bind(this),
     eth_coinbase: this.eth_coinbase.bind(this),
     eth_blockNumber: this.eth_blockNumber.bind(this),
-    eth_getBlockByHash: this.eth_getBlockByHash.bind(this)
+    eth_getBlockByHash: this.eth_getBlockByHash.bind(this),
+    eth_getBlockTransactionCountByHash: this.eth_getBlockTransactionCountByHash.bind(this),
+    eth_getBlockTransactionCountByNumber: this.eth_getBlockTransactionCountByNumber.bind(this),
+    eth_getUncleCountByBlockHash: this.eth_getUncleCountByBlockHash.bind(this),
+    eth_getUncleCountByBlockNumber: this.eth_getUncleCountByBlockNumber.bind(this)
   }
 }
 
 Blocks.prototype.eth_getBlockByNumber = function (payload, cb) {
+  var block = executionContext.blocks[payload.params[0]]
+
+  if (!block) {
+    return cb(new Error('block not found'))
+  }
+
   let b = {
-    'difficulty': '0x0',
+    'number': toHex(block.header.number),
-    'extraData': '0x',
+    'hash': toHex(block.hash()),
-    'gasLimit': '0x7a1200',
+    'parentHash': toHex(block.header.parentHash),
-    'gasUsed': '0x0',
+    'nonce': toHex(block.header.nonce),
-    'hash': '0xdb731f3622ef37b4da8db36903de029220dba74c41185f8429f916058b86559f',
-    'logsBloom': '0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
-    'miner': this.coinbase,
-    'mixHash': '0x0000000000000000000000000000000000000000000000000000000000000000',
-    'nonce': '0x0000000000000042',
-    'number': Web3.utils.toHex(this.blockNumber),
-    'parentHash': '0x0000000000000000000000000000000000000000000000000000000000000000',
-    'receiptsRoot': '0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421',
     'sha3Uncles': '0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347',
-    'size': '0x1f8',
+    'logsBloom': '0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99d05921026d1527331',
-    'stateRoot': '0xb7917653f92e62394d2207d0f39a1320ff1cb93d1cee80d3c492627e00b219ff',
-    'timestamp': '0x0',
-    'totalDifficulty': '0x0',
-    'transactions': [],
     'transactionsRoot': '0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421',
+    'stateRoot': toHex(block.header.stateRoot),
+    'miner': this.coinbase,
+    'difficulty': toHex(block.header.difficulty),
+    'totalDifficulty': toHex(block.header.totalDifficulty),
+    'extraData': toHex(block.header.extraData),
+    'size': '0x027f07', // 163591
+    'gasLimit': toHex(block.header.gasLimit),
+    'gasUsed': toHex(block.header.gasUsed),
+    'timestamp': toHex(block.header.timestamp),
+    'transactions': block.transactions.map((t) => '0x' + t.hash().toString('hex')),
     'uncles': []
   }
+
   cb(null, b)
 }
 
+function toHex (value) {
+  if (!value) return '0x0'
+  let v = value.toString('hex')
+  return ((v === '0x' || v === '') ? '0x0' : ('0x' + v))
+}
+
 Blocks.prototype.eth_getBlockByHash = function (payload, cb) {
+  var block = executionContext.blocks[payload.params[0]]
+
   let b = {
-    'difficulty': '0x0',
+    'number': toHex(block.header.number),
-    'extraData': '0x',
+    'hash': toHex(block.hash()),
-    'gasLimit': '0x7a1200',
+    'parentHash': toHex(block.header.parentHash),
-    'gasUsed': '0x0',
+    'nonce': toHex(block.header.nonce),
-    'hash': '0xdb731f3622ef37b4da8db36903de029220dba74c41185f8429f916058b86559f',
-    'logsBloom': '0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
-    'miner': this.coinbase,
-    'mixHash': '0x0000000000000000000000000000000000000000000000000000000000000000',
-    'nonce': '0x0000000000000042',
-    'number': Web3.utils.toHex(this.blockNumber),
-    'parentHash': '0x0000000000000000000000000000000000000000000000000000000000000000',
-    'receiptsRoot': '0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421',
     'sha3Uncles': '0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347',
-    'size': '0x1f8',
+    'logsBloom': '0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99d05921026d1527331',
-    'stateRoot': '0xb7917653f92e62394d2207d0f39a1320ff1cb93d1cee80d3c492627e00b219ff',
-    'timestamp': '0x0',
-    'totalDifficulty': '0x0',
-    'transactions': [],
     'transactionsRoot': '0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421',
+    'stateRoot': toHex(block.header.stateRoot),
+    'miner': this.coinbase,
+    'difficulty': toHex(block.header.difficulty),
+    'totalDifficulty': toHex(block.header.totalDifficulty),
+    'extraData': toHex(block.header.extraData),
+    'size': '0x027f07', // 163591
+    'gasLimit': toHex(block.header.gasLimit),
+    'gasUsed': toHex(block.header.gasUsed),
+    'timestamp': toHex(block.header.timestamp),
+    'transactions': block.transactions.map((t) => '0x' + t.hash().toString('hex')),
     'uncles': []
   }
+
   cb(null, b)
 }
 
@@ -80,4 +97,24 @@ Blocks.prototype.eth_blockNumber = function (payload, cb) {
   cb(null, this.blockNumber)
 }
 
+Blocks.prototype.eth_getBlockTransactionCountByHash = function (payload, cb) {
+  var block = executionContext.blocks[payload.params[0]]
+
+  cb(null, block.transactions.length)
+}
+
+Blocks.prototype.eth_getBlockTransactionCountByNumber = function (payload, cb) {
+  var block = executionContext.blocks[payload.params[0]]
+
+  cb(null, block.transactions.length)
+}
+
+Blocks.prototype.eth_getUncleCountByBlockHash = function (payload, cb) {
+  cb(null, 0)
+}
+
+Blocks.prototype.eth_getUncleCountByBlockNumber = function (payload, cb) {
+  cb(null, 0)
+}
+
 module.exports = Blocks

remix-simulator/src/methods/misc.js

@@ -12,7 +12,10 @@ Misc.prototype.methods = function () {
     eth_mining: this.eth_mining.bind(this),
     eth_hashrate: this.eth_hashrate.bind(this),
     web3_sha3: this.web3_sha3.bind(this),
-    eth_getCompilers: this.eth_getCompilers.bind(this)
+    eth_getCompilers: this.eth_getCompilers.bind(this),
+    eth_compileSolidity: this.eth_compileSolidity.bind(this),
+    eth_compileLLL: this.eth_compileLLL.bind(this),
+    eth_compileSerpent: this.eth_compileSerpent.bind(this)
   }
 }
 
@@ -46,4 +49,16 @@ Misc.prototype.eth_getCompilers = function (payload, cb) {
   cb(null, [])
 }
 
+Misc.prototype.eth_compileSolidity = function (payload, cb) {
+  cb(null, 'unsupported')
+}
+
+Misc.prototype.eth_compileLLL = function (payload, cb) {
+  cb(null, 'unsupported')
+}
+
+Misc.prototype.eth_compileSerpent = function (payload, cb) {
+  cb(null, 'unsupported')
+}
+
 module.exports = Misc

remix-simulator/src/methods/transactions.js

@@ -1,22 +1,10 @@
+var Web3 = require('web3')
 var RemixLib = require('remix-lib')
 var executionContext = RemixLib.execution.executionContext
 var ethJSUtil = require('ethereumjs-util')
 var processTx = require('./txProcess.js')
 var BN = ethJSUtil.BN
 
-function hexConvert (ints) {
-  var ret = '0x'
-  for (var i = 0; i < ints.length; i++) {
-    var h = ints[i]
-    if (h) {
-      ret += (h <= 0xf ? '0' : '') + h.toString(16)
-    } else {
-      ret += '00'
-    }
-  }
-  return ret
-}
-
 var Transactions = function (accounts) {
   this.accounts = accounts
 }
@@ -29,7 +17,9 @@ Transactions.prototype.methods = function () {
     eth_call: this.eth_call.bind(this),
     eth_estimateGas: this.eth_estimateGas.bind(this),
     eth_getTransactionCount: this.eth_getTransactionCount.bind(this),
-    eth_getTransactionByHash: this.eth_getTransactionByHash.bind(this)
+    eth_getTransactionByHash: this.eth_getTransactionByHash.bind(this),
+    eth_getTransactionByBlockHashAndIndex: this.eth_getTransactionByBlockHashAndIndex.bind(this),
+    eth_getTransactionByBlockNumberAndIndex: this.eth_getTransactionByBlockNumberAndIndex.bind(this)
   }
 }
 
@@ -43,13 +33,15 @@ Transactions.prototype.eth_getTransactionReceipt = function (payload, cb) {
       return cb(error)
     }
 
+    var txBlock = executionContext.txs[receipt.hash]
+
     var r = {
       'transactionHash': receipt.hash,
       'transactionIndex': '0x00',
-      'blockHash': '0x766d18646a06cf74faeabf38597314f84a82c3851859d9da9d94fc8d037269e5',
+      'blockHash': '0x' + txBlock.hash().toString('hex'),
-      'blockNumber': '0x06',
+      'blockNumber': '0x' + txBlock.header.number.toString('hex'),
-      'gasUsed': '0x06345f',
+      'gasUsed': Web3.utils.toHex(receipt.gas),
-      'cumulativeGasUsed': '0x06345f',
+      'cumulativeGasUsed': Web3.utils.toHex(receipt.gas),
       'contractAddress': receipt.contractAddress,
       'logs': receipt.logs,
       'status': receipt.status
@@ -66,10 +58,12 @@ Transactions.prototype.eth_estimateGas = function (payload, cb) {
 Transactions.prototype.eth_getCode = function (payload, cb) {
   let address = payload.params[0]
 
-  const account = ethJSUtil.toBuffer(address)
+  executionContext.web3().eth.getCode(address, (error, result) => {
-
+    if (error) {
-  executionContext.vm().stateManager.getContractCode(account, (error, result) => {
+      console.dir('error getting code')
-    cb(error, hexConvert(result))
+      console.dir(error)
+    }
+    cb(error, result)
   })
 }
 
@@ -97,23 +91,120 @@ Transactions.prototype.eth_getTransactionByHash = function (payload, cb) {
       return cb(error)
     }
 
-    // executionContext.web3().eth.getBlock(receipt.hash).then((block) => {
+    var txBlock = executionContext.txs[receipt.transactionHash]
-    const r = {
+
+    // TODO: params to add later
+    let r = {
+      'blockHash': '0x' + txBlock.hash().toString('hex'),
+      'blockNumber': '0x' + txBlock.header.number.toString('hex'),
+      'from': receipt.from,
+      'gas': Web3.utils.toHex(receipt.gas),
+      // 'gasPrice': '2000000000000', // 0x123
+      'gasPrice': '0x4a817c800', // 20000000000
       'hash': receipt.transactionHash,
-      // "nonce": 2,
+      'input': receipt.input,
-      'blockHash': receipt.hash,
+      // "nonce": 2, // 0x15
-      // 'blockNumber': block.number,
       // "transactionIndex": 0,
+      'value': receipt.value
+      // "value":"0xf3dbb76162000" // 4290000000000000
+      // "v": "0x25", // 37
+      // "r": "0x1b5e176d927f8e9ab405058b2d2457392da3e20f328b16ddabcebc33eaac5fea",
+      // "s": "0x4ba69724e8f69de52f0125ad8b3c5c2cef33019bac3249e2c0a2192766d1721c"
+    }
+
+    if (receipt.to) {
+      r.to = receipt.to
+    }
+
+    if (r.value === '0x') {
+      r.value = '0x0'
+    }
+
+    cb(null, r)
+  })
+}
+
+Transactions.prototype.eth_getTransactionByBlockHashAndIndex = function (payload, cb) {
+  const txIndex = payload.params[1]
+
+  var txBlock = executionContext.blocks[payload.params[0]]
+  const txHash = '0x' + txBlock.transactions[Web3.utils.toDecimal(txIndex)].hash().toString('hex')
+
+  executionContext.web3().eth.getTransactionReceipt(txHash, (error, receipt) => {
+    if (error) {
+      return cb(error)
+    }
+
+    // TODO: params to add later
+    let r = {
+      'blockHash': '0x' + txBlock.hash().toString('hex'),
+      'blockNumber': '0x' + txBlock.header.number.toString('hex'),
       'from': receipt.from,
-      'to': receipt.to,
+      'gas': Web3.utils.toHex(receipt.gas),
-      'value': receipt.value,
+      // 'gasPrice': '2000000000000', // 0x123
-      'gas': receipt.gas,
+      'gasPrice': '0x4a817c800', // 20000000000
-      'gasPrice': '2000000000000',
+      'hash': receipt.transactionHash,
-      'input': receipt.input
+      'input': receipt.input,
+      // "nonce": 2, // 0x15
+      // "transactionIndex": 0,
+      'value': receipt.value
+      // "value":"0xf3dbb76162000" // 4290000000000000
+      // "v": "0x25", // 37
+      // "r": "0x1b5e176d927f8e9ab405058b2d2457392da3e20f328b16ddabcebc33eaac5fea",
+      // "s": "0x4ba69724e8f69de52f0125ad8b3c5c2cef33019bac3249e2c0a2192766d1721c"
+    }
+
+    if (receipt.to) {
+      r.to = receipt.to
+    }
+
+    if (r.value === '0x') {
+      r.value = '0x0'
+    }
+
+    cb(null, r)
+  })
+}
+
+Transactions.prototype.eth_getTransactionByBlockNumberAndIndex = function (payload, cb) {
+  const txIndex = payload.params[1]
+
+  var txBlock = executionContext.blocks[payload.params[0]]
+  const txHash = '0x' + txBlock.transactions[Web3.utils.toDecimal(txIndex)].hash().toString('hex')
+
+  executionContext.web3().eth.getTransactionReceipt(txHash, (error, receipt) => {
+    if (error) {
+      return cb(error)
+    }
+
+    // TODO: params to add later
+    let r = {
+      'blockHash': '0x' + txBlock.hash().toString('hex'),
+      'blockNumber': '0x' + txBlock.header.number.toString('hex'),
+      'from': receipt.from,
+      'gas': Web3.utils.toHex(receipt.gas),
+      // 'gasPrice': '2000000000000', // 0x123
+      'gasPrice': '0x4a817c800', // 20000000000
+      'hash': receipt.transactionHash,
+      'input': receipt.input,
+      // "nonce": 2, // 0x15
+      // "transactionIndex": 0,
+      'value': receipt.value
+      // "value":"0xf3dbb76162000" // 4290000000000000
+      // "v": "0x25", // 37
+      // "r": "0x1b5e176d927f8e9ab405058b2d2457392da3e20f328b16ddabcebc33eaac5fea",
+      // "s": "0x4ba69724e8f69de52f0125ad8b3c5c2cef33019bac3249e2c0a2192766d1721c"
+    }
+
+    if (receipt.to) {
+      r.to = receipt.to
+    }
+
+    if (r.value === '0x') {
+      r.value = '0x0'
     }
 
     cb(null, r)
-    // })
   })
 }
 

remix-simulator/src/provider.js

@@ -8,6 +8,8 @@ const Net = require('./methods/net.js')
 const Transactions = require('./methods/transactions.js')
 const Whisper = require('./methods/whisper.js')
 
+const generateBlock = require('./genesis.js')
+
 var Provider = function (options) {
   this.Accounts = new Accounts()
 
@@ -18,6 +20,8 @@ var Provider = function (options) {
   this.methods = merge(this.methods, (new Net()).methods())
   this.methods = merge(this.methods, (new Transactions(this.Accounts.accounts)).methods())
   this.methods = merge(this.methods, (new Whisper()).methods())
+
+  generateBlock()
 }
 
 Provider.prototype.sendAsync = function (payload, callback) {

remix-simulator/test/blocks.js

@@ -16,22 +16,20 @@ describe('blocks', function () {
     let block = await web3.eth.getBlock(1)
 
     let expectedBlock = {
-      difficulty: '0',
+      difficulty: '69762765929000',
-      extraData: '0x',
+      extraData: '0x0',
       gasLimit: 8000000,
       gasUsed: 0,
-      hash: '0xdb731f3622ef37b4da8db36903de029220dba74c41185f8429f916058b86559f',
+      hash: block.hash.toString('hex'),
-      logsBloom: '0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000',
+      logsBloom: '0xe670ec64341771606e55d6b4ca35a1a6b75ee3d5145a99d05921026d1527331',
       miner: '0x0000000000000000000000000000000000000001',
-      mixHash: '0x0000000000000000000000000000000000000000000000000000000000000000',
+      nonce: '0x0000000000000000',
-      nonce: '0x0000000000000042',
+      number: 1,
-      number: 0,
       parentHash: '0x0000000000000000000000000000000000000000000000000000000000000000',
-      receiptsRoot: '0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421',
       sha3Uncles: '0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347',
-      size: 504,
+      size: 163591,
-      stateRoot: '0xb7917653f92e62394d2207d0f39a1320ff1cb93d1cee80d3c492627e00b219ff',
+      stateRoot: '0xa633ca0e8f0ae4e86d4d572b048ea93d84eb4b11e2c988b48cb3a5f6f10b3c68',
-      timestamp: 0,
+      timestamp: block.timestamp,
       totalDifficulty: '0',
       transactions: [],
       transactionsRoot: '0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421',

remix-tests/src/testRunner.ts

@@ -76,6 +76,7 @@ export function runTest (testName, testObject: any, contractDetails: any, opts:
       value: testName,
       filename: testObject.filename
     }
+
     testCallback(undefined, resp)
     async.eachOfLimit(runList, 1, function (func, index, next) {
         let sender

remix-tests/tests/testRunner.ts

@@ -9,15 +9,18 @@ import { deployAll } from '../dist/deployer'
 import { runTest } from '../dist/index'
 import { ResultsInterface, TestCbInterface, ResultCbInterface } from '../dist/index'
 
+var provider = new Provider()
+
 function compileAndDeploy(filename: string, callback: Function) {
   let web3: Web3 = new Web3()
-  web3.setProvider(new Provider())
+  web3.setProvider(provider)
   let compilationData: object
   let accounts: string[]
   async.waterfall([
     function getAccountList(next: Function): void {
       web3.eth.getAccounts((_err: Error | null | undefined, _accounts: string[]) => {
         accounts = _accounts
+        web3.eth.defaultAccount = accounts[0]
         next(_err)
       })
     },
@@ -93,6 +96,7 @@ describe('testRunner', () => {
             results = _results
             done()
           }
+
           runTest('MyTest', contracts.MyTest, compilationData[filename]['MyTest'], { accounts }, testCallback, resultsCallback)
         })
       })