remove duplicated readme

truffle-config.js

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+/**
+ * Use this file to configure your truffle project. It's seeded with some
+ * common settings for different networks and features like migrations,
+ * compilation and testing. Uncomment the ones you need or modify
+ * them to suit your project as necessary.
+ *
+ * More information about configuration can be found at:
+ *
+ * trufflesuite.com/docs/advanced/configuration
+ *
+ * To deploy via Infura you'll need a wallet provider (like @truffle/hdwallet-provider)
+ * to sign your transactions before they're sent to a remote public node. Infura accounts
+ * are available for free at: infura.io/register.
+ *
+ * You'll also need a mnemonic - the twelve word phrase the wallet uses to generate
+ * public/private key pairs. If you're publishing your code to GitHub make sure you load this
+ * phrase from a file you've .gitignored so it doesn't accidentally become public.
+ *
+ */
+
+ const HDWalletProvider = require('@truffle/hdwallet-provider');
+
+ const infuraKey = "{YOUR_INFURA_KEY}"
+ const sepoliaInfuraUrl = `https://sepolia.infura.io/v3/${infuraKey}`;
+
+ const mnemonic = "YOUR_MNEMONIC".trim()
+
+ module.exports = {
+   /**
+    * Networks define how you connect to your ethereum client and let you set the
+    * defaults web3 uses to send transactions. If you don't specify one truffle
+    * will spin up a development blockchain for you on port 9545 when you
+    * run `develop` or `test`. You can ask a truffle command to use a specific
+    * network from the command line, e.g
+    *
+    * $ truffle test --network <network-name>
+    */
+
+   networks: {
+     // Useful for testing. The `development` name is special - truffle uses it by default
+     // if it's defined here and no other network is specified at the command line.
+     // You should run a client (like ganache-cli, geth or parity) in a separate terminal
+     // tab if you use this network and you must also set the `host`, `port` and `network_id`
+     // options below to some value.
+     //
+     development: {
+      host: "127.0.0.1",     // Localhost (default: none)
+      gasPrice: 100000000000,
+      port: 8545,            // Standard Ethereum port (default: none)
+      network_id: "*",       // Any network (default: none)
+     },
+     sepolia: {
+       provider: () => new HDWalletProvider(mnemonic, sepoliaInfuraUrl),
+       network_id: 11155111,       // Ropsten's id
+       gas: 300000,        // Ropsten has a lower block limit than mainnet
+       gasPrice: 10000000000,  // 20 gwei (in wei) (default: 100 gwei)
+       confirmations: 0,    // # of confs to wait between deployments. (default: 0)
+       timeoutBlocks: 200,  // # of blocks before a deployment times out  (minimum/default: 50)
+       networkCheckTimeout: 120000,
+       skipDryRun: false     // Skip dry run before migrations? (default: false for public nets )
+     },
+   },
+
+   plugins: [
+     'truffle-plugin-verify'
+   ],
+
+   api_keys: {
+     etherscan: 'YOUR_ETHERSCAN_KEY'
+   },
+
+   // Set default mocha options here, use special reporters etc.
+   mocha: {
+     // reporter: 'eth-gas-reporter',
+     // reporterOptions : {
+     //   currency: 'USD'
+     // } // See options below   // timeout: 100000
+   },
+
+   // Configure your compilers
+   compilers: {
+     solc: {
+       version: "0.8.20",    // Fetch exact version from solc-bin (default: truffle's version)
+       // docker: true,        // Use "0.5.1" you've installed locally with docker (default: false)
+       // settings: {          // See the solidity docs for advice about optimization and evmVersion
+       //  optimizer: {
+       //    enabled: false,
+       //    runs: 200
+       //  },
+       //  evmVersion: "byzantium"
+       // }
+     },
+   },
+ };
+