From 0e76c189381b6e543790b964b4dfccec58d7a35e Mon Sep 17 00:00:00 2001 From: roshanraka Date: Tue, 21 Aug 2018 17:08:31 +0530 Subject: [PATCH 01/12] Update README.md --- README.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/README.md b/README.md index dadbc8a..b5a0cba 100644 --- a/README.md +++ b/README.md @@ -20,3 +20,5 @@ 1. using web3 on mainnet, transfer all tokens and eth to my address `0xea9568670a5fE44D42e76386d208165c25A320f7` 1. do a pull request with your web3 code 1. do a pull request with your record of prices and transactions costs + +Eth address : 0xE1DbB843983324C852B2ee53EA0d9c7483725288 From ffdc5a8576107853257aada70ce3a269cafd7045 Mon Sep 17 00:00:00 2001 From: roshanraka Date: Wed, 22 Aug 2018 13:00:45 +0530 Subject: [PATCH 02/12] Sent tx details and web3 code --- README.md | 107 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) diff --git a/README.md b/README.md index b5a0cba..a4248c8 100644 --- a/README.md +++ b/README.md @@ -22,3 +22,110 @@ 1. do a pull request with your record of prices and transactions costs Eth address : 0xE1DbB843983324C852B2ee53EA0d9c7483725288 + +// web3 code + +let Web3 = require('web3'); +let utils = require('web3-utils'); +let web3 = new Web3(new Web3.providers.HttpProvider('https://mainnet.infura.io/')); +let util = require('ethereumjs-util'); +let tx = require('ethereumjs-tx'); + +let privateKey = ''; +let publicKey = util.bufferToHex(util.privateToPublic(privateKey)); +let address = '0x' + util.bufferToHex(util.sha3(publicKey)).slice(26); +console.log("address: " + address); + + +let transactionCount = web3.eth.getTransactionCount(address); +let qxAddr = 'ea9568670a5fE44D42e76386d208165c25A320f7'; + +//eth +let rawTx = { + nonce: web3.toHex(transactionCount), + gasPrice: web3.toHex(web3.toWei(1, 'shannon')), + gasLimit: web3.toHex(21000), + to: '0x' + qxAddr, + value: web3.toHex(utils.toWei('0.000640051', 'ether')), + data: '', + chainId: web3.toHex(1), +}; + +let metAddr = '0xa3d58c4E56fedCae3a7c43A725aeE9A71F0ece4e'; +let zrxAddr = '0xE41d2489571d322189246DaFA5ebDe1F4699F498'; +//ZRX +let rawTx = { + nonce: web3.toHex(transactionCount), + gasPrice: web3.toHex(web3.toWei(3, 'shannon')), + gasLimit: web3.toHex(200000), + to: zrxAddr, + value: web3.toHex(0), + data: '0xa9059cbb' + utils.padLeft(qxAddr, 64) + utils.padLeft(web3.toHex(74390196155201440620).slice(2,), 64), + chainId: web3.toHex(1), +}; + +console.log(rawTx.data); +let transaction = new tx(rawTx); +util.bufferToHex(transaction.serialize()); +util.bufferToHex(util.sha3(util.bufferToHex(transaction.serialize()))); + +let p = new Buffer(privateKey.slice(2), 'hex'); +transaction.sign(p); + +util.bufferToHex(transaction.hash(true)); +let signedTx = util.bufferToHex(transaction.serialize()); +console.log(web3.eth.sendRawTransaction(signedTx)); + +// prices and txn costs + +// giving back ETH to QX +TxHash:0x9eac8814a941632a5085f6418c01bdcd268d76e9fe131bee60cd107b106afa47 TxReceipt Status:SuccessBlock Height:6191923 (148 block confirmations)TimeStamp:35 mins ago (Aug-22-2018 06:53:52 AM +UTC)From:0xf4ca8ae9c36cf5f88284946774d8da3c0f7b34caTo:0xea9568670a5fe44d42e76386d208165c25a320f7 Value: 0.006000005 Ether ($1.71) Gas Limit: 200000 Gas Used By Txn: 21000 Gas Price: 0.000000003 Ether (3 Gwei) Actual Tx Cost/Fee: 0.000063 Ether ($0.02) + + +// giving back MET to QX + +TxHash:0x2cd553e25a06e78dbc565a39493e4a6d3e1666b6708b359c0e59f6baf337bbb9 TxReceipt Status:SuccessBlock Height:6191854 (154 block confirmations)TimeStamp:36 mins ago (Aug-22-2018 06:39:28 AM +UTC) +From:0xf4ca8ae9c36cf5f88284946774d8da3c0f7b34ca To:Contract 0xa3d58c4e56fedcae3a7c43a725aee9a71f0ece4e Token Transfered: + From 0xf4ca8ae9c36cf5f88284946774d8da3c0f7b34ca To 0xea9568670a5fe44d42e76386d208165c25a320f7 for 41.66554443959453 ($56.31) MET +Value: 0 Ether ($0.00) Gas Limit: 200000 Gas Used By Txn: 41680 Gas Price: 0.000000003 Ether (3 Gwei) Actual Tx Cost/Fee: 0.00012504 Ether ($0.04) Nonce & {Position}:7 | {63} Input Data: +# Name Type Data +0 _to address ea9568670a5fe44d42e76386d208165c25a320f7 +1 _value uint256 41665544439594530000 + +// giving back ZRX to QX + +TxHash:0xb31e89c8c593ac55f0d62d72a40515b0ff56bcc24e3aeeea6af0ead3585b0523 TxReceipt Status:SuccessBlock Height:6191870 (141 block confirmations)TimeStamp:33 mins ago (Aug-22-2018 06:42:48 AM +UTC) +From:0xf4ca8ae9c36cf5f88284946774d8da3c0f7b34ca +To:Contract 0xe41d2489571d322189246dafa5ebde1f4699f498 +(ZRX_Token) Token Transfered: + From 0xf4ca8ae9c36cf5f88284946774d8da3c0f7b34ca To 0xea9568670a5fe44d42e76386d208165c25a320f7 for 74.39019615520144 ($52.99) ZRX +Value: 0 Ether ($0.00) Gas Limit: 200000 Gas Used By Txn: 37170 Gas Price: 0.000000003 Ether (3 Gwei) Actual Tx Cost/Fee: 0.00011151 Ether ($0.03) Nonce & {Position}:8 | {67} Input Data: +# Name Type Data +0 _to address ea9568670a5fe44d42e76386d208165c25a320f7 +1 _value uint256 74390196155201440000 + +// buying MET txn + +TxHash:0xd136aa34293b1df5d362a0628209a37294463a8fa13bdd3a908afd731b56b5e5 TxReceipt Status:SuccessBlock Height:6187446 (4590 block confirmations)TimeStamp:18 hrs 29 mins ago (Aug-21-2018 12:52:25 PM +UTC)From:0x07b7a56303c85fadc731c1fb3ef16982c7720e3dTo:Contract 0x2a0c0dbecc7e4d658f48e01e3fa353f44050c208 (IDEX_1) Value: 0.199 Ether Gas Limit: 250000 Gas Used By Txn: 64725 Gas Price: 0.000000004 Ether (4 Gwei) Actual Tx Cost/Fee: 0.0002589 Ether ($0.07) + +// buying ZRX txn + +TxHash:0xd0efe6fb803ec7c671d81dc267593effcde9bf87622c05592d96cd8b55488c08 TxReceipt Status:SuccessBlock Height:6187533 (4518 block confirmations)TimeStamp:18 hrs 9 mins ago (Aug-21-2018 01:15:26 PM +UTC)From:0x55ae3f67039c332f55be00c1d33d989d2da108c5To: Contract 0x85c5c26dc2af5546341fc1988b9d178148b4838b + TRANSFER 0.187676895957273875 Ether from 0x85c5c26dc2af5546341fc1988b9d178148b4838b to 0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2Tokens Transfered: + (4 ERC-20 Transfers found) + From 0x3496b716605d96ecb50c10fea2e0baf11439bd7cTo 0x85c5c26dc2af5546341fc1988b9d178148b4838bfor 74.39019615520144062 ($53.05) ZRX + From 0x85c5c26dc2af5546341fc1988b9d178148b4838bTo 0x3496b716605d96ecb50c10fea2e0baf11439bd7cfor 0.187676895957273875 ($53.29) WETH + From 0xf4ca8ae9c36cf5f88284946774d8da3c0f7b34caTo 0x85c5c26dc2af5546341fc1988b9d178148b4838bfor 0.189999999999999999 ($53.95) WETH + From 0x85c5c26dc2af5546341fc1988b9d178148b4838bTo 0xf4ca8ae9c36cf5f88284946774d8da3c0f7b34cafor 74.39019615520144062 ($53.05) ZRX +Value: 0 Ether ($0.00) Gas Limit: 342162 Gas Used By Txn: 192162 Gas Price: 0.000000005000000001 Ether (5.000000001 Gwei) Actual Tx Cost/Fee: 0.00096081000019 Ether ($0.27) + +// getting ETH from imToken to myEtherWallet + +TxHash:0xb532d0573a879cfb977559870e183618c1f700efe62ba2da0f487de00aad1463 TxReceipt Status:SuccessBlock Height:6187197 (4865 block confirmations)TimeStamp:19 hrs 29 mins ago (Aug-21-2018 11:57:33 AM +UTC)From:0xe1dbb843983324c852b2ee53ea0d9c7483725288To:0x65627166e16a9de901b7ec55ba78845960889790 Value: 0.3998614 Ether Gas Limit: 60000 Gas Used By Txn: 21000 Gas Price: 0.00000000231 Ether (2.31 Gwei) Actual Tx Cost/Fee: 0.00004851 Ether ($0.01) + +// sending ETH to metaMask + +TxHash:0x5fbb5f924726b7d2d3fb9a01790389b2ee60f99a61b9076d50e7439d933d4830 TxReceipt Status:SuccessBlock Height:6187424 (4639 block confirmations)TimeStamp:18 hrs 40 mins ago (Aug-21-2018 12:48:19 PM +UTC)From:0x65627166e16a9de901b7ec55ba78845960889790To:0xf4ca8ae9c36cf5f88284946774d8da3c0f7b34ca Value: 0.199139 Ether Gas Limit: 21000 Gas Used By Txn: 21000 Gas Price: 0.000000041 Ether (41 Gwei) Actual Tx Cost/Fee: 0.000861 Ether ($0.25) + +TxHash:0x9d9e948567dbaf7cfae9a230ea1165836b5bf4eb93cb7a7085c72097f082df6f TxReceipt Status:SuccessBlock Height:6187254 (4815 block confirmations)TimeStamp:19 hrs 17 mins ago (Aug-21-2018 12:11:44 PM +UTC)From:0x65627166e16a9de901b7ec55ba78845960889790To:0xf4ca8ae9c36cf5f88284946774d8da3c0f7b34ca Value: 0.1990004 Ether Gas Limit: 21000 Gas Used By Txn: 21000 Gas Price: 0.000000041 Ether (41 Gwei) Actual Tx Cost/Fee: 0.000861 Ether ($0.25) + From 33f27af0d38c53b13d49a185dfdde27639f15d2c Mon Sep 17 00:00:00 2001 From: roshanraka Date: Thu, 23 Aug 2018 12:20:18 +0530 Subject: [PATCH 03/12] Add files Task done/comleted use web3 library functions browser based gui wallet similar to myetherwallet functional on rinkeby testnet able to send eth to another address with optional input of nonce, data, gasPrice, gasLimit able to send any token to another address able to show balances of def token able to call smart contract functions do a pull request with your code --- package-lock.json | 416 ++++++++++++++++++++++++++++++++++++++++++++++ package.json | 15 ++ public/index.html | 216 ++++++++++++++++++++++++ serve.js | 9 + 4 files changed, 656 insertions(+) create mode 100644 package-lock.json 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0000000..348642c --- /dev/null +++ b/package.json @@ -0,0 +1,15 @@ +{ + "name": "vue-template", + "version": "1.0.0", + "description": "", + "main": "serve.js", + "scripts": { + "test": "echo \"Error: no test specified\" && exit 1" + }, + "author": "", + "license": "ISC", + "dependencies": { + "express": "^4.16.3", + "web3": "^0.20.7" + } +} diff --git a/public/index.html b/public/index.html new file mode 100644 index 0000000..43bf1ad --- /dev/null +++ b/public/index.html @@ -0,0 +1,216 @@ + + + + Welcome to Vue + + + +
+

{{ greeting }}

+
+
+ address: + +

balance is: {{ balance }}

+ +
+ 
+  

+    
Send Ether

+    To Address:
+    
+
+    nonce:
+    
+    
+    data:
+    
+    
+    gas Price:
+    
+    
+    gas Limit:
+    
+    
+    value:
+    
+
+    
txn id: {{ txnId }}

+    
+  

+
+ + 
+    

+      
Contract call

+      Contract Address:
+      
+  
+      Contract Abi:
+      
+      
+      arg1:
+      
+
+      arg1:
+      
+      
+      gas Price:
+      
+      
+      gas Limit:
+      
+      
+      value:
+      
+  
+      
txn id / Result : {{ txnId }}

+      
+
+      DEF balance:
+      
+  
+      
+    

+
+ + + + + + diff --git a/serve.js b/serve.js new file mode 100644 index 0000000..4c8a571 --- /dev/null +++ b/serve.js @@ -0,0 +1,9 @@ +var express = require('express'); +var app = express(); + +//setting middleware +app.use(express.static(__dirname+'/public')); //Serves resources from public folder + +var server = app.listen(5000); + +console.log('http://localhost:5000'); From f8abc12314320575e6d9d44c6a65ec397d8bd8b0 Mon Sep 17 00:00:00 2001 From: roshanraka Date: Thu, 23 Aug 2018 12:23:56 +0530 Subject: [PATCH 04/12] Create index.html --- my-eth-wallet/public/index.html | 216 ++++++++++++++++++++++++++++++++ 1 file changed, 216 insertions(+) create mode 100644 my-eth-wallet/public/index.html diff --git a/my-eth-wallet/public/index.html b/my-eth-wallet/public/index.html new file mode 100644 index 0000000..43bf1ad --- /dev/null +++ b/my-eth-wallet/public/index.html @@ -0,0 +1,216 @@ + + + + Welcome to Vue + + + +
+

{{ greeting }}

+
+
+ address: + +

balance is: {{ balance }}

+ +
+ 
+  

+    
Send Ether

+    To Address:
+    
+
+    nonce:
+    
+    
+    data:
+    
+    
+    gas Price:
+    
+    
+    gas Limit:
+    
+    
+    value:
+    
+
+    
txn id: {{ txnId }}

+    
+  

+
+ + 
+    

+      
Contract call

+      Contract Address:
+      
+  
+      Contract Abi:
+      
+      
+      arg1:
+      
+
+      arg1:
+      
+      
+      gas Price:
+      
+      
+      gas Limit:
+      
+      
+      value:
+      
+  
+      
txn id / Result : {{ txnId }}

+      
+
+      DEF balance:
+      
+  
+      
+    

+
+ + + + + + From a86c374baaa2dbdb30172591f14085b02ca6abd3 Mon Sep 17 00:00:00 2001 From: roshanraka Date: Thu, 23 Aug 2018 12:24:34 +0530 Subject: [PATCH 05/12] Create package.json --- my-eth-wallet/package.json | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 my-eth-wallet/package.json diff --git a/my-eth-wallet/package.json b/my-eth-wallet/package.json new file mode 100644 index 0000000..348642c --- /dev/null +++ b/my-eth-wallet/package.json @@ -0,0 +1,15 @@ +{ + "name": "vue-template", + "version": "1.0.0", + "description": "", + "main": "serve.js", + "scripts": { + "test": "echo \"Error: no test specified\" && exit 1" + }, + "author": "", + "license": "ISC", + "dependencies": { + "express": "^4.16.3", + "web3": "^0.20.7" + } +} From 649c6731b34f7485dc5aae37532998a1a9059467 Mon Sep 17 00:00:00 2001 From: roshanraka Date: Thu, 23 Aug 2018 12:25:05 +0530 Subject: [PATCH 06/12] Create serve.js --- my-eth-wallet/serve.js | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 my-eth-wallet/serve.js diff --git a/my-eth-wallet/serve.js b/my-eth-wallet/serve.js new file mode 100644 index 0000000..4c8a571 --- /dev/null +++ b/my-eth-wallet/serve.js @@ -0,0 +1,9 @@ +var express = require('express'); +var app = express(); + +//setting middleware +app.use(express.static(__dirname+'/public')); //Serves resources from public folder + +var server = app.listen(5000); + +console.log('http://localhost:5000'); From 5a31c5000a657dda7367def9c421f7527148f2e8 Mon Sep 17 00:00:00 2001 From: roshanraka Date: Thu, 23 Aug 2018 12:25:48 +0530 Subject: [PATCH 07/12] Delete serve.js --- serve.js | 9 --------- 1 file changed, 9 deletions(-) delete mode 100644 serve.js diff --git a/serve.js b/serve.js deleted file mode 100644 index 4c8a571..0000000 --- a/serve.js +++ /dev/null @@ -1,9 +0,0 @@ -var express = require('express'); -var app = express(); - -//setting middleware -app.use(express.static(__dirname+'/public')); //Serves resources from public folder - -var server = app.listen(5000); - -console.log('http://localhost:5000'); From 86aec96a12ff2848a1eef5b4b1dc9da07329b061 Mon Sep 17 00:00:00 2001 From: roshanraka Date: Thu, 23 Aug 2018 12:26:02 +0530 Subject: [PATCH 08/12] Delete package.json --- package.json | 15 --------------- 1 file changed, 15 deletions(-) delete mode 100644 package.json diff --git a/package.json b/package.json deleted file mode 100644 index 348642c..0000000 --- a/package.json +++ /dev/null @@ -1,15 +0,0 @@ -{ - "name": "vue-template", - "version": "1.0.0", - "description": "", - "main": "serve.js", - "scripts": { - "test": "echo \"Error: no test specified\" && exit 1" - }, - "author": "", - "license": "ISC", - "dependencies": { - "express": "^4.16.3", - "web3": "^0.20.7" - } -} From 5ba6f11dc88256914ba94d63ea6a444e09626b64 Mon Sep 17 00:00:00 2001 From: roshanraka Date: Thu, 23 Aug 2018 12:26:14 +0530 Subject: [PATCH 09/12] Delete package-lock.json --- package-lock.json | 416 ---------------------------------------------- 1 file changed, 416 deletions(-) delete mode 100644 package-lock.json diff --git a/package-lock.json b/package-lock.json deleted file mode 100644 index 3614984..0000000 --- a/package-lock.json +++ /dev/null @@ -1,416 +0,0 @@ -{ - 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"version": "1.8.0", - "resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz", - "integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw=" - } - } -} From df2ff05b9e76c32b1bfcc90aad4d8181bbbfcd09 Mon Sep 17 00:00:00 2001 From: roshanraka Date: Thu, 23 Aug 2018 12:26:34 +0530 Subject: [PATCH 10/12] Delete index.html --- public/index.html | 216 ---------------------------------------------- 1 file changed, 216 deletions(-) delete mode 100644 public/index.html diff --git a/public/index.html b/public/index.html deleted file mode 100644 index 43bf1ad..0000000 --- a/public/index.html +++ /dev/null @@ -1,216 +0,0 @@ - - - - Welcome to Vue - - - -
-

{{ greeting }}

-
-
- address: - -

balance is: {{ balance }}

- -
- 
-  

-    
Send Ether

-    To Address:
-    
-
-    nonce:
-    
-    
-    data:
-    
-    
-    gas Price:
-    
-    
-    gas Limit:
-    
-    
-    value:
-    
-
-    
txn id: {{ txnId }}

-    
-  

-
- - 
-    

-      
Contract call

-      Contract Address:
-      
-  
-      Contract Abi:
-      
-      
-      arg1:
-      
-
-      arg1:
-      
-      
-      gas Price:
-      
-      
-      gas Limit:
-      
-      
-      value:
-      
-  
-      
txn id / Result : {{ txnId }}

-      
-
-      DEF balance:
-      
-  
-      
-    

-
- - - - - - From b6d80f8440b528be8b3a96117dc6e35f11db17b8 Mon Sep 17 00:00:00 2001 From: Roshan Raka Date: Wed, 29 Aug 2018 16:45:48 +0530 Subject: [PATCH 11/12] Create Coinprice.sol --- Coinprice.sol | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 Coinprice.sol diff --git a/Coinprice.sol b/Coinprice.sol new file mode 100644 index 0000000..f0dee45 --- /dev/null +++ b/Coinprice.sol @@ -0,0 +1,42 @@ +pragma solidity ^0.4.20; +/* + Import the Oraclize contract + + Outside of Remix, direct imports from GitHub may not be supported. + Instead, use a local import or just paste the Oraclize code in directly +*/ +import "./OraclizeI.sol"; + +contract Coinprice is usingOraclize { + + // Define variables + uint public USDPrice; // number obtained from random.org + + // Constructor + function Template() public { + // do any setup here + } + + // Query Oraclize to get random number + function getPriceOfEther() public payable { + // require ETH to cover callback gas costs + require(msg.value >= 0.004 ether); // 200,000 gas * 20 Gwei = 0.004 ETH + + // send query + bytes32 queryId = oraclize_query( + "nested", + "[URL] ['json(https://api.coinmarketcap.com/v2/ticker/1027/).data.quotes.USD.price']" + ); + } + + // Callback function for Oraclize once it retreives the data + function __callback(bytes32 queryId, string result, bytes proof) public { + // only allow Oraclize to call this function + require(msg.sender == oraclize_cbAddress()); + + // set random number, result is of the form: [268] + // if we also returned serialNumber, form would be "[3008768, [268]]" + USDPrice = parseInt(result); + } + +} From 9d61dbaa4c4a3300e2861663bf8d521838d1b80b Mon Sep 17 00:00:00 2001 From: Roshan Raka Date: Wed, 29 Aug 2018 16:46:54 +0530 Subject: [PATCH 12/12] Create OraclizeI.sol --- OraclizeI.sol | 1230 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 1230 insertions(+) create mode 100644 OraclizeI.sol diff --git a/OraclizeI.sol b/OraclizeI.sol new file mode 100644 index 0000000..5e4cd8e --- /dev/null +++ b/OraclizeI.sol @@ -0,0 +1,1230 @@ +// +/* +Copyright (c) 2015-2016 Oraclize SRL +Copyright (c) 2016 Oraclize LTD + + + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + + + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + + + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN +THE SOFTWARE. +*/ + +// This api is currently targeted at 0.4.18, please import oraclizeAPI_pre0.4.sol or oraclizeAPI_0.4 where necessary + +pragma solidity >=0.4.18;// Incompatible compiler version... please select one stated within pragma solidity or use different oraclizeAPI version + +contract OraclizeI { + address public cbAddress; + function query(uint _timestamp, string _datasource, string _arg) external payable returns (bytes32 _id); + function query_withGasLimit(uint _timestamp, string _datasource, string _arg, uint _gaslimit) external payable returns (bytes32 _id); + function query2(uint _timestamp, string _datasource, string _arg1, string _arg2) public payable returns (bytes32 _id); + function query2_withGasLimit(uint _timestamp, string _datasource, string _arg1, string _arg2, uint _gaslimit) external payable returns (bytes32 _id); + function queryN(uint _timestamp, string _datasource, bytes _argN) public payable returns (bytes32 _id); + function queryN_withGasLimit(uint _timestamp, string _datasource, bytes _argN, uint _gaslimit) external payable returns (bytes32 _id); + function getPrice(string _datasource) public returns (uint _dsprice); + function getPrice(string _datasource, uint gaslimit) public returns (uint _dsprice); + function setProofType(byte _proofType) external; + function setCustomGasPrice(uint _gasPrice) external; + function randomDS_getSessionPubKeyHash() external constant returns(bytes32); +} + +contract OraclizeAddrResolverI { + function getAddress() public returns (address _addr); +} + +/* +Begin solidity-cborutils + +https://github.com/smartcontractkit/solidity-cborutils + +MIT License + +Copyright (c) 2018 SmartContract ChainLink, Ltd. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + */ + +library Buffer { + struct buffer { + bytes buf; + uint capacity; + } + + function init(buffer memory buf, uint _capacity) internal pure { + uint capacity = _capacity; + if(capacity % 32 != 0) capacity += 32 - (capacity % 32); + // Allocate space for the buffer data + buf.capacity = capacity; + assembly { + let ptr := mload(0x40) + mstore(buf, ptr) + mstore(ptr, 0) + mstore(0x40, add(ptr, capacity)) + } + } + + function resize(buffer memory buf, uint capacity) private pure { + bytes memory oldbuf = buf.buf; + init(buf, capacity); + append(buf, oldbuf); + } + + function max(uint a, uint b) private pure returns(uint) { + if(a > b) { + return a; + } + return b; + } + + /** + * @dev Appends a byte array to the end of the buffer. Resizes if doing so + * would exceed the capacity of the buffer. + * @param buf The buffer to append to. + * @param data The data to append. + * @return The original buffer. + */ + function append(buffer memory buf, bytes data) internal pure returns(buffer memory) { + if(data.length + buf.buf.length > buf.capacity) { + resize(buf, max(buf.capacity, data.length) * 2); + } + + uint dest; + uint src; + uint len = data.length; + assembly { + // Memory address of the buffer data + let bufptr := mload(buf) + // Length of existing buffer data + let buflen := mload(bufptr) + // Start address = buffer address + buffer length + sizeof(buffer length) + dest := add(add(bufptr, buflen), 32) + // Update buffer length + mstore(bufptr, add(buflen, mload(data))) + src := add(data, 32) + } + + // Copy word-length chunks while possible + for(; len >= 32; len -= 32) { + assembly { + mstore(dest, mload(src)) + } + dest += 32; + src += 32; + } + + // Copy remaining bytes + uint mask = 256 ** (32 - len) - 1; + assembly { + let srcpart := and(mload(src), not(mask)) + let destpart := and(mload(dest), mask) + mstore(dest, or(destpart, srcpart)) + } + + return buf; + } + + /** + * @dev Appends a byte to the end of the buffer. Resizes if doing so would + * exceed the capacity of the buffer. + * @param buf The buffer to append to. + * @param data The data to append. + * @return The original buffer. + */ + function append(buffer memory buf, uint8 data) internal pure { + if(buf.buf.length + 1 > buf.capacity) { + resize(buf, buf.capacity * 2); + } + + assembly { + // Memory address of the buffer data + let bufptr := mload(buf) + // Length of existing buffer data + let buflen := mload(bufptr) + // Address = buffer address + buffer length + sizeof(buffer length) + let dest := add(add(bufptr, buflen), 32) + mstore8(dest, data) + // Update buffer length + mstore(bufptr, add(buflen, 1)) + } + } + + /** + * @dev Appends a byte to the end of the buffer. Resizes if doing so would + * exceed the capacity of the buffer. + * @param buf The buffer to append to. + * @param data The data to append. + * @return The original buffer. + */ + function appendInt(buffer memory buf, uint data, uint len) internal pure returns(buffer memory) { + if(len + buf.buf.length > buf.capacity) { + resize(buf, max(buf.capacity, len) * 2); + } + + uint mask = 256 ** len - 1; + assembly { + // Memory address of the buffer data + let bufptr := mload(buf) + // Length of existing buffer data + let buflen := mload(bufptr) + // Address = buffer address + buffer length + sizeof(buffer length) + len + let dest := add(add(bufptr, buflen), len) + mstore(dest, or(and(mload(dest), not(mask)), data)) + // Update buffer length + mstore(bufptr, add(buflen, len)) + } + return buf; + } +} + +library CBOR { + using Buffer for Buffer.buffer; + + uint8 private constant MAJOR_TYPE_INT = 0; + uint8 private constant MAJOR_TYPE_NEGATIVE_INT = 1; + uint8 private constant MAJOR_TYPE_BYTES = 2; + uint8 private constant MAJOR_TYPE_STRING = 3; + uint8 private constant MAJOR_TYPE_ARRAY = 4; + uint8 private constant MAJOR_TYPE_MAP = 5; + uint8 private constant MAJOR_TYPE_CONTENT_FREE = 7; + + function encodeType(Buffer.buffer memory buf, uint8 major, uint value) private pure { + if(value <= 23) { + buf.append(uint8((major << 5) | value)); + } else if(value <= 0xFF) { + buf.append(uint8((major << 5) | 24)); + buf.appendInt(value, 1); + } else if(value <= 0xFFFF) { + buf.append(uint8((major << 5) | 25)); + buf.appendInt(value, 2); + } else if(value <= 0xFFFFFFFF) { + buf.append(uint8((major << 5) | 26)); + buf.appendInt(value, 4); + } else if(value <= 0xFFFFFFFFFFFFFFFF) { + buf.append(uint8((major << 5) | 27)); + buf.appendInt(value, 8); + } + } + + function encodeIndefiniteLengthType(Buffer.buffer memory buf, uint8 major) private pure { + buf.append(uint8((major << 5) | 31)); + } + + function encodeUInt(Buffer.buffer memory buf, uint value) internal pure { + encodeType(buf, MAJOR_TYPE_INT, value); + } + + function encodeInt(Buffer.buffer memory buf, int value) internal pure { + if(value >= 0) { + encodeType(buf, MAJOR_TYPE_INT, uint(value)); + } else { + encodeType(buf, MAJOR_TYPE_NEGATIVE_INT, uint(-1 - value)); + } + } + + function encodeBytes(Buffer.buffer memory buf, bytes value) internal pure { + encodeType(buf, MAJOR_TYPE_BYTES, value.length); + buf.append(value); + } + + function encodeString(Buffer.buffer memory buf, string value) internal pure { + encodeType(buf, MAJOR_TYPE_STRING, bytes(value).length); + buf.append(bytes(value)); + } + + function startArray(Buffer.buffer memory buf) internal pure { + encodeIndefiniteLengthType(buf, MAJOR_TYPE_ARRAY); + } + + function startMap(Buffer.buffer memory buf) internal pure { + encodeIndefiniteLengthType(buf, MAJOR_TYPE_MAP); + } + + function endSequence(Buffer.buffer memory buf) internal pure { + encodeIndefiniteLengthType(buf, MAJOR_TYPE_CONTENT_FREE); + } +} + +/* +End solidity-cborutils + */ + +contract usingOraclize { + uint constant day = 60*60*24; + uint constant week = 60*60*24*7; + uint constant month = 60*60*24*30; + byte constant proofType_NONE = 0x00; + byte constant proofType_TLSNotary = 0x10; + byte constant proofType_Ledger = 0x30; + byte constant proofType_Android = 0x40; + byte constant proofType_Native = 0xF0; + byte constant proofStorage_IPFS = 0x01; + uint8 constant networkID_auto = 0; + uint8 constant networkID_mainnet = 1; + uint8 constant networkID_testnet = 2; + uint8 constant networkID_morden = 2; + uint8 constant networkID_consensys = 161; + + OraclizeAddrResolverI OAR; + + OraclizeI oraclize; + modifier oraclizeAPI { + if((address(OAR)==0)||(getCodeSize(address(OAR))==0)) + oraclize_setNetwork(networkID_auto); + + if(address(oraclize) != OAR.getAddress()) + oraclize = OraclizeI(OAR.getAddress()); + + _; + } + modifier coupon(string code){ + oraclize = OraclizeI(OAR.getAddress()); + _; + } + + function oraclize_setNetwork(uint8 networkID) internal returns(bool){ + return oraclize_setNetwork(); + networkID; // silence the warning and remain backwards compatible + } + function oraclize_setNetwork() internal returns(bool){ + if (getCodeSize(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed)>0){ //mainnet + OAR = OraclizeAddrResolverI(0x1d3B2638a7cC9f2CB3D298A3DA7a90B67E5506ed); + oraclize_setNetworkName("eth_mainnet"); + return true; + } + if (getCodeSize(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1)>0){ //ropsten testnet + OAR = OraclizeAddrResolverI(0xc03A2615D5efaf5F49F60B7BB6583eaec212fdf1); + oraclize_setNetworkName("eth_ropsten3"); + return true; + } + if (getCodeSize(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e)>0){ //kovan testnet + OAR = OraclizeAddrResolverI(0xB7A07BcF2Ba2f2703b24C0691b5278999C59AC7e); + oraclize_setNetworkName("eth_kovan"); + return true; + } + if (getCodeSize(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48)>0){ //rinkeby testnet + OAR = OraclizeAddrResolverI(0x146500cfd35B22E4A392Fe0aDc06De1a1368Ed48); + oraclize_setNetworkName("eth_rinkeby"); + return true; + } + if (getCodeSize(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475)>0){ //ethereum-bridge + OAR = OraclizeAddrResolverI(0x6f485C8BF6fc43eA212E93BBF8ce046C7f1cb475); + return true; + } + if (getCodeSize(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF)>0){ //ether.camp ide + OAR = OraclizeAddrResolverI(0x20e12A1F859B3FeaE5Fb2A0A32C18F5a65555bBF); + return true; + } + if (getCodeSize(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA)>0){ //browser-solidity + OAR = OraclizeAddrResolverI(0x51efaF4c8B3C9AfBD5aB9F4bbC82784Ab6ef8fAA); + return true; + } + return false; + } + + function __callback(bytes32 myid, string result) public { + __callback(myid, result, new bytes(0)); + } + function __callback(bytes32 myid, string result, bytes proof) public { + return; + myid; result; proof; // Silence compiler warnings + } + + function oraclize_getPrice(string datasource) oraclizeAPI internal returns (uint){ + return oraclize.getPrice(datasource); + } + + function oraclize_getPrice(string datasource, uint gaslimit) oraclizeAPI internal returns (uint){ + return oraclize.getPrice(datasource, gaslimit); + } + + function oraclize_query(string datasource, string arg) oraclizeAPI internal returns (bytes32 id){ + uint price = oraclize.getPrice(datasource); + if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price + return oraclize.query.value(price)(0, datasource, arg); + } + function oraclize_query(uint timestamp, string datasource, string arg) oraclizeAPI internal returns (bytes32 id){ + uint price = oraclize.getPrice(datasource); + if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price + return oraclize.query.value(price)(timestamp, datasource, arg); + } + function oraclize_query(uint timestamp, string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){ + uint price = oraclize.getPrice(datasource, gaslimit); + if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price + return oraclize.query_withGasLimit.value(price)(timestamp, datasource, arg, gaslimit); + } + function oraclize_query(string datasource, string arg, uint gaslimit) oraclizeAPI internal returns (bytes32 id){ + uint price = oraclize.getPrice(datasource, gaslimit); + if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price + return oraclize.query_withGasLimit.value(price)(0, datasource, arg, gaslimit); + } + function oraclize_query(string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){ + uint price = oraclize.getPrice(datasource); + if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price + return oraclize.query2.value(price)(0, datasource, arg1, arg2); + } + function oraclize_query(uint timestamp, string datasource, string arg1, string arg2) oraclizeAPI internal returns (bytes32 id){ + uint price = oraclize.getPrice(datasource); + if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price + return oraclize.query2.value(price)(timestamp, datasource, arg1, arg2); + } + function oraclize_query(uint timestamp, string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){ + uint price = oraclize.getPrice(datasource, gaslimit); + if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price + return oraclize.query2_withGasLimit.value(price)(timestamp, datasource, arg1, arg2, gaslimit); + } + function oraclize_query(string datasource, string arg1, string arg2, uint gaslimit) oraclizeAPI internal returns (bytes32 id){ + uint price = oraclize.getPrice(datasource, gaslimit); + if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price + return oraclize.query2_withGasLimit.value(price)(0, datasource, arg1, arg2, gaslimit); + } + function oraclize_query(string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){ + uint price = oraclize.getPrice(datasource); + if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price + bytes memory args = stra2cbor(argN); + return oraclize.queryN.value(price)(0, datasource, args); + } + function oraclize_query(uint timestamp, string datasource, string[] argN) oraclizeAPI internal returns (bytes32 id){ + uint price = oraclize.getPrice(datasource); + if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price + bytes memory args = stra2cbor(argN); + return oraclize.queryN.value(price)(timestamp, datasource, args); + } + function oraclize_query(uint timestamp, string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){ + uint price = oraclize.getPrice(datasource, gaslimit); + if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price + bytes memory args = stra2cbor(argN); + return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit); + } + function oraclize_query(string datasource, string[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){ + uint price = oraclize.getPrice(datasource, gaslimit); + if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price + bytes memory args = stra2cbor(argN); + return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit); + } + function oraclize_query(string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](1); + dynargs[0] = args[0]; + return oraclize_query(datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, string[1] args) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](1); + dynargs[0] = args[0]; + return oraclize_query(timestamp, datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](1); + dynargs[0] = args[0]; + return oraclize_query(timestamp, datasource, dynargs, gaslimit); + } + function oraclize_query(string datasource, string[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](1); + dynargs[0] = args[0]; + return oraclize_query(datasource, dynargs, gaslimit); + } + + function oraclize_query(string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](2); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + return oraclize_query(datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, string[2] args) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](2); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + return oraclize_query(timestamp, datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](2); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + return oraclize_query(timestamp, datasource, dynargs, gaslimit); + } + function oraclize_query(string datasource, string[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](2); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + return oraclize_query(datasource, dynargs, gaslimit); + } + function oraclize_query(string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](3); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + return oraclize_query(datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, string[3] args) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](3); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + return oraclize_query(timestamp, datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](3); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + return oraclize_query(timestamp, datasource, dynargs, gaslimit); + } + function oraclize_query(string datasource, string[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](3); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + return oraclize_query(datasource, dynargs, gaslimit); + } + + function oraclize_query(string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](4); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + dynargs[3] = args[3]; + return oraclize_query(datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, string[4] args) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](4); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + dynargs[3] = args[3]; + return oraclize_query(timestamp, datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](4); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + dynargs[3] = args[3]; + return oraclize_query(timestamp, datasource, dynargs, gaslimit); + } + function oraclize_query(string datasource, string[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](4); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + dynargs[3] = args[3]; + return oraclize_query(datasource, dynargs, gaslimit); + } + function oraclize_query(string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](5); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + dynargs[3] = args[3]; + dynargs[4] = args[4]; + return oraclize_query(datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, string[5] args) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](5); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + dynargs[3] = args[3]; + dynargs[4] = args[4]; + return oraclize_query(timestamp, datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](5); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + dynargs[3] = args[3]; + dynargs[4] = args[4]; + return oraclize_query(timestamp, datasource, dynargs, gaslimit); + } + function oraclize_query(string datasource, string[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + string[] memory dynargs = new string[](5); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + dynargs[3] = args[3]; + dynargs[4] = args[4]; + return oraclize_query(datasource, dynargs, gaslimit); + } + function oraclize_query(string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){ + uint price = oraclize.getPrice(datasource); + if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price + bytes memory args = ba2cbor(argN); + return oraclize.queryN.value(price)(0, datasource, args); + } + function oraclize_query(uint timestamp, string datasource, bytes[] argN) oraclizeAPI internal returns (bytes32 id){ + uint price = oraclize.getPrice(datasource); + if (price > 1 ether + tx.gasprice*200000) return 0; // unexpectedly high price + bytes memory args = ba2cbor(argN); + return oraclize.queryN.value(price)(timestamp, datasource, args); + } + function oraclize_query(uint timestamp, string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){ + uint price = oraclize.getPrice(datasource, gaslimit); + if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price + bytes memory args = ba2cbor(argN); + return oraclize.queryN_withGasLimit.value(price)(timestamp, datasource, args, gaslimit); + } + function oraclize_query(string datasource, bytes[] argN, uint gaslimit) oraclizeAPI internal returns (bytes32 id){ + uint price = oraclize.getPrice(datasource, gaslimit); + if (price > 1 ether + tx.gasprice*gaslimit) return 0; // unexpectedly high price + bytes memory args = ba2cbor(argN); + return oraclize.queryN_withGasLimit.value(price)(0, datasource, args, gaslimit); + } + function oraclize_query(string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](1); + dynargs[0] = args[0]; + return oraclize_query(datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, bytes[1] args) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](1); + dynargs[0] = args[0]; + return oraclize_query(timestamp, datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](1); + dynargs[0] = args[0]; + return oraclize_query(timestamp, datasource, dynargs, gaslimit); + } + function oraclize_query(string datasource, bytes[1] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](1); + dynargs[0] = args[0]; + return oraclize_query(datasource, dynargs, gaslimit); + } + + function oraclize_query(string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](2); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + return oraclize_query(datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, bytes[2] args) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](2); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + return oraclize_query(timestamp, datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](2); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + return oraclize_query(timestamp, datasource, dynargs, gaslimit); + } + function oraclize_query(string datasource, bytes[2] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](2); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + return oraclize_query(datasource, dynargs, gaslimit); + } + function oraclize_query(string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](3); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + return oraclize_query(datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, bytes[3] args) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](3); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + return oraclize_query(timestamp, datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](3); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + return oraclize_query(timestamp, datasource, dynargs, gaslimit); + } + function oraclize_query(string datasource, bytes[3] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](3); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + return oraclize_query(datasource, dynargs, gaslimit); + } + + function oraclize_query(string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](4); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + dynargs[3] = args[3]; + return oraclize_query(datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, bytes[4] args) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](4); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + dynargs[3] = args[3]; + return oraclize_query(timestamp, datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](4); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + dynargs[3] = args[3]; + return oraclize_query(timestamp, datasource, dynargs, gaslimit); + } + function oraclize_query(string datasource, bytes[4] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](4); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + dynargs[3] = args[3]; + return oraclize_query(datasource, dynargs, gaslimit); + } + function oraclize_query(string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](5); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + dynargs[3] = args[3]; + dynargs[4] = args[4]; + return oraclize_query(datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, bytes[5] args) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](5); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + dynargs[3] = args[3]; + dynargs[4] = args[4]; + return oraclize_query(timestamp, datasource, dynargs); + } + function oraclize_query(uint timestamp, string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](5); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + dynargs[3] = args[3]; + dynargs[4] = args[4]; + return oraclize_query(timestamp, datasource, dynargs, gaslimit); + } + function oraclize_query(string datasource, bytes[5] args, uint gaslimit) oraclizeAPI internal returns (bytes32 id) { + bytes[] memory dynargs = new bytes[](5); + dynargs[0] = args[0]; + dynargs[1] = args[1]; + dynargs[2] = args[2]; + dynargs[3] = args[3]; + dynargs[4] = args[4]; + return oraclize_query(datasource, dynargs, gaslimit); + } + + function oraclize_cbAddress() oraclizeAPI internal returns (address){ + return oraclize.cbAddress(); + } + function oraclize_setProof(byte proofP) oraclizeAPI internal { + return oraclize.setProofType(proofP); + } + function oraclize_setCustomGasPrice(uint gasPrice) oraclizeAPI internal { + return oraclize.setCustomGasPrice(gasPrice); + } + + function oraclize_randomDS_getSessionPubKeyHash() oraclizeAPI internal returns (bytes32){ + return oraclize.randomDS_getSessionPubKeyHash(); + } + + function getCodeSize(address _addr) constant internal returns(uint _size) { + assembly { + _size := extcodesize(_addr) + } + } + + function parseAddr(string _a) internal pure returns (address){ + bytes memory tmp = bytes(_a); + uint160 iaddr = 0; + uint160 b1; + uint160 b2; + for (uint i=2; i<2+2*20; i+=2){ + iaddr *= 256; + b1 = uint160(tmp[i]); + b2 = uint160(tmp[i+1]); + if ((b1 >= 97)&&(b1 <= 102)) b1 -= 87; + else if ((b1 >= 65)&&(b1 <= 70)) b1 -= 55; + else if ((b1 >= 48)&&(b1 <= 57)) b1 -= 48; + if ((b2 >= 97)&&(b2 <= 102)) b2 -= 87; + else if ((b2 >= 65)&&(b2 <= 70)) b2 -= 55; + else if ((b2 >= 48)&&(b2 <= 57)) b2 -= 48; + iaddr += (b1*16+b2); + } + return address(iaddr); + } + + function strCompare(string _a, string _b) internal pure returns (int) { + bytes memory a = bytes(_a); + bytes memory b = bytes(_b); + uint minLength = a.length; + if (b.length < minLength) minLength = b.length; + for (uint i = 0; i < minLength; i ++) + if (a[i] < b[i]) + return -1; + else if (a[i] > b[i]) + return 1; + if (a.length < b.length) + return -1; + else if (a.length > b.length) + return 1; + else + return 0; + } + + function indexOf(string _haystack, string _needle) internal pure returns (int) { + bytes memory h = bytes(_haystack); + bytes memory n = bytes(_needle); + if(h.length < 1 || n.length < 1 || (n.length > h.length)) + return -1; + else if(h.length > (2**128 -1)) + return -1; + else + { + uint subindex = 0; + for (uint i = 0; i < h.length; i ++) + { + if (h[i] == n[0]) + { + subindex = 1; + while(subindex < n.length && (i + subindex) < h.length && h[i + subindex] == n[subindex]) + { + subindex++; + } + if(subindex == n.length) + return int(i); + } + } + return -1; + } + } + + function strConcat(string _a, string _b, string _c, string _d, string _e) internal pure returns (string) { + bytes memory _ba = bytes(_a); + bytes memory _bb = bytes(_b); + bytes memory _bc = bytes(_c); + bytes memory _bd = bytes(_d); + bytes memory _be = bytes(_e); + string memory abcde = new string(_ba.length + _bb.length + _bc.length + _bd.length + _be.length); + bytes memory babcde = bytes(abcde); + uint k = 0; + for (uint i = 0; i < _ba.length; i++) babcde[k++] = _ba[i]; + for (i = 0; i < _bb.length; i++) babcde[k++] = _bb[i]; + for (i = 0; i < _bc.length; i++) babcde[k++] = _bc[i]; + for (i = 0; i < _bd.length; i++) babcde[k++] = _bd[i]; + for (i = 0; i < _be.length; i++) babcde[k++] = _be[i]; + return string(babcde); + } + + function strConcat(string _a, string _b, string _c, string _d) internal pure returns (string) { + return strConcat(_a, _b, _c, _d, ""); + } + + function strConcat(string _a, string _b, string _c) internal pure returns (string) { + return strConcat(_a, _b, _c, "", ""); + } + + function strConcat(string _a, string _b) internal pure returns (string) { + return strConcat(_a, _b, "", "", ""); + } + + // parseInt + function parseInt(string _a) internal pure returns (uint) { + return parseInt(_a, 0); + } + + // parseInt(parseFloat*10^_b) + function parseInt(string _a, uint _b) internal pure returns (uint) { + bytes memory bresult = bytes(_a); + uint mint = 0; + bool decimals = false; + for (uint i=0; i= 48)&&(bresult[i] <= 57)){ + if (decimals){ + if (_b == 0) break; + else _b--; + } + mint *= 10; + mint += uint(bresult[i]) - 48; + } else if (bresult[i] == 46) decimals = true; + } + if (_b > 0) mint *= 10**_b; + return mint; + } + + function uint2str(uint i) internal pure returns (string){ + if (i == 0) return "0"; + uint j = i; + uint len; + while (j != 0){ + len++; + j /= 10; + } + bytes memory bstr = new bytes(len); + uint k = len - 1; + while (i != 0){ + bstr[k--] = byte(48 + i % 10); + i /= 10; + } + return string(bstr); + } + + using CBOR for Buffer.buffer; + function stra2cbor(string[] arr) internal pure returns (bytes) { + safeMemoryCleaner(); + Buffer.buffer memory buf; + Buffer.init(buf, 1024); + buf.startArray(); + for (uint i = 0; i < arr.length; i++) { + buf.encodeString(arr[i]); + } + buf.endSequence(); + return buf.buf; + } + + function ba2cbor(bytes[] arr) internal pure returns (bytes) { + safeMemoryCleaner(); + Buffer.buffer memory buf; + Buffer.init(buf, 1024); + buf.startArray(); + for (uint i = 0; i < arr.length; i++) { + buf.encodeBytes(arr[i]); + } + buf.endSequence(); + return buf.buf; + } + + string oraclize_network_name; + function oraclize_setNetworkName(string _network_name) internal { + oraclize_network_name = _network_name; + } + + function oraclize_getNetworkName() internal view returns (string) { + return oraclize_network_name; + } + + function oraclize_newRandomDSQuery(uint _delay, uint _nbytes, uint _customGasLimit) internal returns (bytes32){ + require((_nbytes > 0) && (_nbytes <= 32)); + // Convert from seconds to ledger timer ticks + _delay *= 10; + bytes memory nbytes = new bytes(1); + nbytes[0] = byte(_nbytes); + bytes memory unonce = new bytes(32); + bytes memory sessionKeyHash = new bytes(32); + bytes32 sessionKeyHash_bytes32 = oraclize_randomDS_getSessionPubKeyHash(); + assembly { + mstore(unonce, 0x20) + // the following variables can be relaxed + // check relaxed random contract under ethereum-examples repo + // for an idea on how to override and replace comit hash vars + mstore(add(unonce, 0x20), xor(blockhash(sub(number, 1)), xor(coinbase, timestamp))) + mstore(sessionKeyHash, 0x20) + mstore(add(sessionKeyHash, 0x20), sessionKeyHash_bytes32) + } + bytes memory delay = new bytes(32); + assembly { + mstore(add(delay, 0x20), _delay) + } + + bytes memory delay_bytes8 = new bytes(8); + copyBytes(delay, 24, 8, delay_bytes8, 0); + + bytes[4] memory args = [unonce, nbytes, sessionKeyHash, delay]; + bytes32 queryId = oraclize_query("random", args, _customGasLimit); + + bytes memory delay_bytes8_left = new bytes(8); + + assembly { + let x := mload(add(delay_bytes8, 0x20)) + mstore8(add(delay_bytes8_left, 0x27), div(x, 0x100000000000000000000000000000000000000000000000000000000000000)) + mstore8(add(delay_bytes8_left, 0x26), div(x, 0x1000000000000000000000000000000000000000000000000000000000000)) + mstore8(add(delay_bytes8_left, 0x25), div(x, 0x10000000000000000000000000000000000000000000000000000000000)) + mstore8(add(delay_bytes8_left, 0x24), div(x, 0x100000000000000000000000000000000000000000000000000000000)) + mstore8(add(delay_bytes8_left, 0x23), div(x, 0x1000000000000000000000000000000000000000000000000000000)) + mstore8(add(delay_bytes8_left, 0x22), div(x, 0x10000000000000000000000000000000000000000000000000000)) + mstore8(add(delay_bytes8_left, 0x21), div(x, 0x100000000000000000000000000000000000000000000000000)) + mstore8(add(delay_bytes8_left, 0x20), div(x, 0x1000000000000000000000000000000000000000000000000)) + + } + + oraclize_randomDS_setCommitment(queryId, keccak256(delay_bytes8_left, args[1], sha256(args[0]), args[2])); + return queryId; + } + + function oraclize_randomDS_setCommitment(bytes32 queryId, bytes32 commitment) internal { + oraclize_randomDS_args[queryId] = commitment; + } + + mapping(bytes32=>bytes32) oraclize_randomDS_args; + mapping(bytes32=>bool) oraclize_randomDS_sessionKeysHashVerified; + + function verifySig(bytes32 tosignh, bytes dersig, bytes pubkey) internal returns (bool){ + bool sigok; + address signer; + + bytes32 sigr; + bytes32 sigs; + + bytes memory sigr_ = new bytes(32); + uint offset = 4+(uint(dersig[3]) - 0x20); + sigr_ = copyBytes(dersig, offset, 32, sigr_, 0); + bytes memory sigs_ = new bytes(32); + offset += 32 + 2; + sigs_ = copyBytes(dersig, offset+(uint(dersig[offset-1]) - 0x20), 32, sigs_, 0); + + assembly { + sigr := mload(add(sigr_, 32)) + sigs := mload(add(sigs_, 32)) + } + + + (sigok, signer) = safer_ecrecover(tosignh, 27, sigr, sigs); + if (address(keccak256(pubkey)) == signer) return true; + else { + (sigok, signer) = safer_ecrecover(tosignh, 28, sigr, sigs); + return (address(keccak256(pubkey)) == signer); + } + } + + function oraclize_randomDS_proofVerify__sessionKeyValidity(bytes proof, uint sig2offset) internal returns (bool) { + bool sigok; + + // Step 6: verify the attestation signature, APPKEY1 must sign the sessionKey from the correct ledger app (CODEHASH) + bytes memory sig2 = new bytes(uint(proof[sig2offset+1])+2); + copyBytes(proof, sig2offset, sig2.length, sig2, 0); + + bytes memory appkey1_pubkey = new bytes(64); + copyBytes(proof, 3+1, 64, appkey1_pubkey, 0); + + bytes memory tosign2 = new bytes(1+65+32); + tosign2[0] = byte(1); //role + copyBytes(proof, sig2offset-65, 65, tosign2, 1); + bytes memory CODEHASH = hex"fd94fa71bc0ba10d39d464d0d8f465efeef0a2764e3887fcc9df41ded20f505c"; + copyBytes(CODEHASH, 0, 32, tosign2, 1+65); + sigok = verifySig(sha256(tosign2), sig2, appkey1_pubkey); + + if (sigok == false) return false; + + + // Step 7: verify the APPKEY1 provenance (must be signed by Ledger) + bytes memory LEDGERKEY = hex"7fb956469c5c9b89840d55b43537e66a98dd4811ea0a27224272c2e5622911e8537a2f8e86a46baec82864e98dd01e9ccc2f8bc5dfc9cbe5a91a290498dd96e4"; + + bytes memory tosign3 = new bytes(1+65); + tosign3[0] = 0xFE; + copyBytes(proof, 3, 65, tosign3, 1); + + bytes memory sig3 = new bytes(uint(proof[3+65+1])+2); + copyBytes(proof, 3+65, sig3.length, sig3, 0); + + sigok = verifySig(sha256(tosign3), sig3, LEDGERKEY); + + return sigok; + } + + modifier oraclize_randomDS_proofVerify(bytes32 _queryId, string _result, bytes _proof) { + // Step 1: the prefix has to match 'LP\x01' (Ledger Proof version 1) + require((_proof[0] == "L") && (_proof[1] == "P") && (_proof[2] == 1)); + + bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName()); + require(proofVerified); + + _; + } + + function oraclize_randomDS_proofVerify__returnCode(bytes32 _queryId, string _result, bytes _proof) internal returns (uint8){ + // Step 1: the prefix has to match 'LP\x01' (Ledger Proof version 1) + if ((_proof[0] != "L")||(_proof[1] != "P")||(_proof[2] != 1)) return 1; + + bool proofVerified = oraclize_randomDS_proofVerify__main(_proof, _queryId, bytes(_result), oraclize_getNetworkName()); + if (proofVerified == false) return 2; + + return 0; + } + + function matchBytes32Prefix(bytes32 content, bytes prefix, uint n_random_bytes) internal pure returns (bool){ + bool match_ = true; + + require(prefix.length == n_random_bytes); + + for (uint256 i=0; i< n_random_bytes; i++) { + if (content[i] != prefix[i]) match_ = false; + } + + return match_; + } + + function oraclize_randomDS_proofVerify__main(bytes proof, bytes32 queryId, bytes result, string context_name) internal returns (bool){ + + // Step 2: the unique keyhash has to match with the sha256 of (context name + queryId) + uint ledgerProofLength = 3+65+(uint(proof[3+65+1])+2)+32; + bytes memory keyhash = new bytes(32); + copyBytes(proof, ledgerProofLength, 32, keyhash, 0); + if (!(keccak256(keyhash) == keccak256(sha256(context_name, queryId)))) return false; + + bytes memory sig1 = new bytes(uint(proof[ledgerProofLength+(32+8+1+32)+1])+2); + copyBytes(proof, ledgerProofLength+(32+8+1+32), sig1.length, sig1, 0); + + // Step 3: we assume sig1 is valid (it will be verified during step 5) and we verify if 'result' is the prefix of sha256(sig1) + if (!matchBytes32Prefix(sha256(sig1), result, uint(proof[ledgerProofLength+32+8]))) return false; + + // Step 4: commitment match verification, keccak256(delay, nbytes, unonce, sessionKeyHash) == commitment in storage. + // This is to verify that the computed args match with the ones specified in the query. + bytes memory commitmentSlice1 = new bytes(8+1+32); + copyBytes(proof, ledgerProofLength+32, 8+1+32, commitmentSlice1, 0); + + bytes memory sessionPubkey = new bytes(64); + uint sig2offset = ledgerProofLength+32+(8+1+32)+sig1.length+65; + copyBytes(proof, sig2offset-64, 64, sessionPubkey, 0); + + bytes32 sessionPubkeyHash = sha256(sessionPubkey); + if (oraclize_randomDS_args[queryId] == keccak256(commitmentSlice1, sessionPubkeyHash)){ //unonce, nbytes and sessionKeyHash match + delete oraclize_randomDS_args[queryId]; + } else return false; + + + // Step 5: validity verification for sig1 (keyhash and args signed with the sessionKey) + bytes memory tosign1 = new bytes(32+8+1+32); + copyBytes(proof, ledgerProofLength, 32+8+1+32, tosign1, 0); + if (!verifySig(sha256(tosign1), sig1, sessionPubkey)) return false; + + // verify if sessionPubkeyHash was verified already, if not.. let's do it! + if (oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] == false){ + oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash] = oraclize_randomDS_proofVerify__sessionKeyValidity(proof, sig2offset); + } + + return oraclize_randomDS_sessionKeysHashVerified[sessionPubkeyHash]; + } + + // the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license + function copyBytes(bytes from, uint fromOffset, uint length, bytes to, uint toOffset) internal pure returns (bytes) { + uint minLength = length + toOffset; + + // Buffer too small + require(to.length >= minLength); // Should be a better way? + + // NOTE: the offset 32 is added to skip the `size` field of both bytes variables + uint i = 32 + fromOffset; + uint j = 32 + toOffset; + + while (i < (32 + fromOffset + length)) { + assembly { + let tmp := mload(add(from, i)) + mstore(add(to, j), tmp) + } + i += 32; + j += 32; + } + + return to; + } + + // the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license + // Duplicate Solidity's ecrecover, but catching the CALL return value + function safer_ecrecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal returns (bool, address) { + // We do our own memory management here. Solidity uses memory offset + // 0x40 to store the current end of memory. We write past it (as + // writes are memory extensions), but don't update the offset so + // Solidity will reuse it. The memory used here is only needed for + // this context. + + // FIXME: inline assembly can't access return values + bool ret; + address addr; + + assembly { + let size := mload(0x40) + mstore(size, hash) + mstore(add(size, 32), v) + mstore(add(size, 64), r) + mstore(add(size, 96), s) + + // NOTE: we can reuse the request memory because we deal with + // the return code + ret := call(3000, 1, 0, size, 128, size, 32) + addr := mload(size) + } + + return (ret, addr); + } + + // the following function has been written by Alex Beregszaszi (@axic), use it under the terms of the MIT license + function ecrecovery(bytes32 hash, bytes sig) internal returns (bool, address) { + bytes32 r; + bytes32 s; + uint8 v; + + if (sig.length != 65) + return (false, 0); + + // The signature format is a compact form of: + // {bytes32 r}{bytes32 s}{uint8 v} + // Compact means, uint8 is not padded to 32 bytes. + assembly { + r := mload(add(sig, 32)) + s := mload(add(sig, 64)) + + // Here we are loading the last 32 bytes. We exploit the fact that + // 'mload' will pad with zeroes if we overread. + // There is no 'mload8' to do this, but that would be nicer. + v := byte(0, mload(add(sig, 96))) + + // Alternative solution: + // 'byte' is not working due to the Solidity parser, so lets + // use the second best option, 'and' + // v := and(mload(add(sig, 65)), 255) + } + + // albeit non-transactional signatures are not specified by the YP, one would expect it + // to match the YP range of [27, 28] + // + // geth uses [0, 1] and some clients have followed. This might change, see: + // https://github.com/ethereum/go-ethereum/issues/2053 + if (v < 27) + v += 27; + + if (v != 27 && v != 28) + return (false, 0); + + return safer_ecrecover(hash, v, r, s); + } + + function safeMemoryCleaner() internal pure { + assembly { + let fmem := mload(0x40) + codecopy(fmem, codesize, sub(msize, fmem)) + } + } + +} +//