Blockchain-related:

- reference @truffle/contract. - bring truffle.js up-to-date with modern changes.
DOkwufulueze · Nov 8, 2020 · 03ea984 · 03ea984
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commit 03ea984
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Showing 2 changed files with 14 additions and 12 deletions.
diff --git a/migrations/3_deploy_contracts.js b/migrations/3_deploy_contracts.js
@@ -1,6 1,6 @@
 "use strict";
 
-const contract = require("truffle-contract");
 const contract = require("@truffle/contract");
 const DBConfigObject = require("../build/contracts/DB.json");
 
 const Setup = artifacts.require("./Setup.sol");

diff --git a/truffle.js b/truffle.js
@@ -1,11 1,10 @@
-var bip39 = require("bip39");
-var hdkey = require("ethereumjs-wallet/dist/hdkey");
-var ProviderEngine = require("web3-provider-engine");
-var WalletSubprovider = require("web3-provider-engine/subproviders/wallet.js");
-var Web3Subprovider = require("web3-provider-engine/subproviders/web3.js");
-// var RPCSubprovider = require('web3-provider-engine/subproviders/rpc.js');
-var Web3 = require("web3");
 const bip39 = require("bip39");
 const hdkey = require("ethereumjs-wallet/dist/hdkey");
 const ProviderEngine = require("web3-provider-engine");
 const WalletSubprovider = require("web3-provider-engine/subproviders/wallet.js");
 const RPCSubprovider = require("web3-provider-engine/subproviders/rpc.js");
 const FilterSubprovider = require("web3-provider-engine/subproviders/filters.js");
 const Web3 = require("web3");
 
 // Get our mnemonic and create an hdwallet
 var mnemonic =
@@ -19,16 18,19 @@ var address = "0x" wallet.getAddress().toString("hex");
 
 var providerUrl = "https://testnet.infura.io";
 var engine = new ProviderEngine();
 
 // pass the engine to Web3 - this next line is necessary
 var web3 = new Web3(engine);
 
 // filters
 engine.addProvider(new FilterSubprovider());
 
 engine.addProvider(new WalletSubprovider(wallet, {}));
 engine.addProvider(
- new Web3Subprovider(new Web3.providers.HttpProvider(providerUrl))
  new RPCSubprovider({
  rpcUrl: providerUrl
  })
 );
-// engine.addProvider(new RPCSubprovider({
-// rpcUrl: providerUrl,
-// }));
 engine.start(); // Required by the provider engine.
 
 module.exports = {