Merge pull request #77 from makoto/infura

Infura

README.md

@@ -193,6 +193,16 @@ code 1234567890  is already registered. Claimed by 0x12ff7cfb557a7d0404b694da8d6
 code 0987654321  is already registered. Claimed by 0xc7ce74c8c7f2e7c5e6d039c5a48fae053ad5c952
 ```
 
+## Deploying and running on real network
+
+For `ropsten` and `mainnet` it now deploys via Infura. Pass the extra to set deployment specific
+
+```
+--network $NETWORK --mnemonic $SECRET
+```
+
+NOTE: `ropsten` and `mainnet` uses different gasPrice. Check `truffle.js` file and `scripts/util/set_gas.js` for the detail.
+
 ### Essentials
 
 See [Issues](https://github.com/makoto/blockparty/issues)

package.json

@@ -48,6 +48,7 @@
     "react-tap-event-plugin": "^1.0.0",
     "style-loader": "^0.13.1",
     "truffle-contract": "^1.1.8",
+    "truffle-hdwallet-provider": "0.0.3",
     "url-loader": "^0.5.7",
     "web3": "^0.16.0",
     "zeppelin-solidity": "0.0.6"

scripts/balance.js

@@ -0,0 +1,12 @@
+// Display current balance of the provider address.
+
+module.exports = function(callback) {
+  var address = '0x' + web3.currentProvider.wallet.getAddress().toString('hex');
+  console.log('Address', address)
+  web3.eth.getBalance(address, function(error,balance){
+    if (error) {
+      console.log('error', error);
+    }
+    console.log('Wallet address balance', web3.fromWei(balance,'ether').toNumber());
+  });
+}

scripts/change_owner.js

@@ -1,11 +1,12 @@
 let arg = require('yargs').argv;
 let fs = require('fs');
 let Conference = artifacts.require("./Conference.sol");
-
+let setGas = require('./util/set_gas');
 if (!(arg.f && arg.t)) {
   throw('usage: truffle exec scripts/change_owner.js -f original_owner.txt -t address_to_change.txt');
 }
 module.exports = async function() {
+  let gas = await setGas(web3);
 
   let from = fs.readFileSync(arg.f, 'utf8').trim().split('\n')[0];
   let to = fs.readFileSync(arg.t, 'utf8').trim().split('\n')[0];
@@ -16,7 +17,7 @@ module.exports = async function() {
   if (owner != from) {
     throw('current owner', owner, ' does not match with', from);
   }
-  var result = await conference.transferOwnership(to, {from:from})
+  var result = await conference.transferOwnership(to, {from:from, gasPrice:gas})
   let new_owner = await conference.owner.call();
   if (new_owner != to) {
     throw('new owner', new_owner, ' does not match with', to);

scripts/repository.js

@@ -1,12 +1,15 @@
 let fs = require('fs');
+let setGas = require('./util/set_gas');
 let ConfirmationRepository = artifacts.require("./ConfirmationRepository.sol");
 let repository;
 let arg = require('yargs').argv;
 
 if (!(arg.i && arg.t)) {
   throw('usage: truffle exec scripts/repository.js -t confirmation -i codes.txt');
 }
+
 module.exports = async function(callback) {
+  let gas = await setGas(web3);
   let file = arg.i;
   console.log('file', file)
   switch (arg.t) {
@@ -26,7 +29,7 @@ module.exports = async function(callback) {
       console.log('code', code, ' is already registered. Claimed by ', claimed);
     }else{
       var encrypted_code = await repository.encrypt.call(code);
-      var result = await repository.add(encrypted_code);
+      var result = await repository.add(encrypted_code, {gasPrice:gas});
       console.log('Adding', code, ' as ', encrypted_code, ' with trx', result.tx);
     }
   }

scripts/util/set_gas.js

@@ -0,0 +1,17 @@
+module.exports = function(web3){
+  return new Promise(function(resolve,reject){
+    web3.version.getNetwork(function(err, network_id){
+      var gas;
+      console.log('network_id', network_id);
+      if (network_id == 1) { // mainnet
+        gas = 2000000000 // 2 gwei
+      }else if (network_id == 3) {
+        gas = 20000000000 // 20 gwei
+      }else{
+        gas = 1;
+      }
+      console.log('gas price', gas, web3.fromWei(gas, 'gwei'))
+      resolve(gas);
+    })
+  });
+};

src/index.js

@@ -48,7 +48,7 @@ function setup(){
           console.log('Success')
         }else{
           console.log('The endspoint is not active. Falling back to read_only mode')
-          url = 'https://eth3.augur.net'
+          url = 'https://mainnet.infura.io'
           read_only = true
         }
       }).error(function(error){

truffle.js

@@ -1,4 +1,16 @@
-require('babel-register')
+const yargs = require('yargs');
+var provider, address;
+
+if (yargs.argv.network  == 'ropsten' || yargs.argv.network  == 'mainnet') {
+  var providerURL = `https://${yargs.argv.network}.infura.io`
+  var HDWalletProvider = require('truffle-hdwallet-provider');
+  // todo: Think about more secure way
+  var mnemonic = yargs.argv.mnemonic;
+  provider = new HDWalletProvider(mnemonic, providerURL, 0);
+  address = "0x" + provider.wallet.getAddress().toString("hex");
+  console.log('Provider address', provider.getAddress());
+  console.log('Deploying to ', providerURL);
+}
 
 module.exports = {
   networks: {
@@ -14,25 +26,16 @@ module.exports = {
       gasPrice: 0x01
     },
     ropsten: {
-      host: "localhost",
-      port: 8545,
+      gasPrice: 20000000000, // 20 gwei,
+      provider: provider,
       network_id: 3,
-      gas: 1990000,
-      gasPrice: 2000000000, // 2 gwei
-    },
-    kovan: {
-      host: 'localhost',
-      port: 8545,
-      // gas: 4700000,
-      network_id: 42
+      from: address
     },
     mainnet: {
-      host: "localhost",
-      port: 8545,
       network_id: 1,
       gas: 1990000,
       gasPrice: 2000000000, // 2 gwei
-      from: '0xFa6F2D7cC987d592556ac07392b9d6395bfcc379'
+      from: address
     }
   }
 };