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CoralX

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Table of contents

Overview

A simple tool for Solidity smart contracts deployment and testing that provides next capabilities:

  • Built-in smart contract compilation (Module from the Truffle).
  • Automated contract testing with Mocha and Chai.
  • Scriptable framework for the smart contracts deployment and configuration.
  • Network management for deploying to many public & private networks.

CoralX features plan:

  • Init script
  • Console log from Solidity code
  • Bundled local development blockchain server
  • Multiple compiler versions support
  • ... any good ideas are welcomed!

CoralX is designed to be used for the development of big projects. It was tested on a project with 400+ smart contracts and long setup scripts.

It has functionality for saving the state of the deployment, so if it fails on some step - it is possible to continue it from the moment it ended.

CoralX is also designed to make it possible to deploy a smart contract to the network with any address prefixes (originally, it was made to support XDC network with xdc prefix instead of 0x, but it may be used with any networks prefixes).

Install

# Install nodejs:

$ sudo apt install nodejs

# Install npm:

$ sudo apt install npm

# Install CoralX
$ npm install -g coral-x-fe

Quick start

In your project you need to create 2 files: coralX-config.js and coralX-scenarios.js.

coralX-config.js

$ touch coralX-config.js

This file contains local coralX configuration: networks, compiler, scenarios, etc.

Example:

const fs = require("fs");
const path = require("path");

module.exports = {
  networks: {
    development: {
      host: "http://127.0.0.1:8545",
    },
    mainnet: {
      host: "https://mainnet.infura.io/v3/YOUR_API_KEY",
      private_key: fs.readFileSync("./privateKey").toString(),
      gasPrice: "0x3b9aca00",
    },
    gorli: {
      host: "https://goerli.infura.io/v3/YOUR_API_KEY",
      private_key: fs.readFileSync("./privateKey").toString(),
      gasPrice: "0x3b9aca00",
    },
    xdc: {
      host: "https://rpc.xinfin.network",
      private_key: fs.readFileSync("./privateKey").toString(),
      gasPrice: "0x3b9aca00",
    },
    apothem: {
      host: "https://rpc.apothem.network",
      private_key: fs.readFileSync("./privateKey").toString(),
      gasPrice: "0x3b9aca00",
    },
    fromEnv: {
      host: process.env.ETH_HOST, // export ETH_HOST=...
      private_key: process.env.ETH_PK, // export ETH_PK=...
      gasPrice: process.env.GAS_PRICE, // export GAS_PRICE=...
    },
  },
  compilers: {
    solc: {
      version: "^0.8.0",
    },
  },
  scenarios: require("./coralX-scenarios"),
  testsDir: path.join("scripts", "tests"),
}

Please configure private key you will use for deployments:

$ echo -n "PRIVATE_KEY" > privateKey

coralX-scenarios.js

$ touch coralX-scenarios.js

This file contains scenarios for deployment. Scenario migrateAndConfigureForTests is default one and used in tests deployments flow.

In the example below you can see how the deployment scenarios may be described.

Each step in scenarios is the execution of coralX command:

$ coralX execute --path PATH --network NETWORK

In scenarios this command is described as:

['execute', '--path', 'PATH', '--network', 'NETWORK']

Example:

module.exports = {
  deployMainnet: [
    ['execute', '--path', 'scripts/migrations', '--network', 'mainnet'],
    ['execute', '--path', 'scripts/configurations', '--network', 'mainnet'],
    ['execute', '--path', 'scripts/custom', '--network', 'mainnet'],
  ],
  deployGorli: [
    ['execute', '--path', 'scripts/migrations', '--network', 'gorli'],
    ['execute', '--path', 'scripts/configurations', '--network', 'gorli'],
    ['execute', '--path', 'scripts/custom', '--network', 'gorli'],
  ],
  deployApothem: [
    ['execute', '--path', 'scripts/migrations', '--network', 'apothem'],
    ['execute', '--path', 'scripts/configurations_xdc', '--network', 'apothem'],
    ['execute', '--path', 'scripts/custom_xdc', '--network', 'apothem'],
  ],
  deployXDC: [
    ['execute', '--path', 'scripts/migrations', '--network', 'xdc'],
    ['execute', '--path', 'scripts/configurations_xdc', '--network', 'xdc'],
    ['execute', '--path', 'scripts/custom_xdc', '--network', 'xdc'],
  ],
  migrateAndConfigureForTests: [
    ['compile'],
    ['execute', '--path', 'scripts/migrations'],
    ['execute', '--path', 'scripts/configurations'],
    ['execute', '--path', 'scripts/tests_configurations'],
  ],
}

Compilation

Run:

$ coralX compile

Scenario file sctructures

Example of smart contract deployment (used proxy patterned smart contracts where Implementation address is constructor argument for Proxy smart contract: constructor(address implementation)):

const Proxy = artifacts.require('./Proxy.sol');
const Implementation = artifacts.require('./Implementation.sol');

module.exports =  async function(deployer) {
    // Deploying Implementation smart contract
    await deployer.deploy(Implementation, { gas: 25000000 });
    await deployer.deploy(Proxy, Implementation.address, { gas: 1000000 });
};

Example of calling deployed smart contract for initialization:

const Proxy = artifacts.require('./Proxy.sol');
const IImplementationInterface = artifacts.require('./IImplementationInterface.sol');

module.exports =  async function(deployer) {
    const proxy = await IImplementationInterface.at(Proxy.address);

    await proxy.initialize(..., { gas: 120000000 });
};

Tests

CoralX isn't bundled with a local development blockchain server. We recommend you install ganache for this:

$ npm install -g ganache-cli

And run it with predefined accounts

$ ganache-cli -m "YOUR_MNEMONIC" --gasLimit 12500000

We recommend to use ./scripts/tests folder for tests. It is configurable as testsDir in coralX-config.js

Test file has following structure:

describe('Test cases set', () => {

    before(async () => {
        
    });

    describe("Test case", async() => {

    });
});

Test semantics is the same as scenarios.

Contributing

We are welcoming your contribution. To get started you need to fork the repo, clone it and run:

# Install dependencies

$ npm install

# Run build step to generate artifacts

$ npm run build

# Run link step for access to local registry

$ npm link

# Permission for distribution folder

$ chmod +x ./dist/coralX.build.js

Please make pull requests against dev.

Advanced Usage

Execute

$ coralX execute

Executes script in the prepared context. Scripts can do smart contracts deployment, perform calls to the smart contracts, do any custom logic

Supports next options:

  • --path: a relative path where the script is located
// this command will execute scripts in the specified folder
--path PATH
Example:
$ coralX execute --path scripts/migrations
  • --params: a custom input parameters for the scripts
// --params issuer=0xA3E48...7bA4a:issuerPropertyId=0x1bea5a...a8de
// you can access this parameters in the script via `params`
// params = {issuer: 0xA3E48...7bA4a, issuerPropertyId: 0x1bea5a...a8de}

// in the script
module.exports = async (_, params) => {};

Example:
$ coralX execute --path scripts/custom/add-system-role.js --params issuer=0xA3E48...7bA4a:issuerPropertyId=0x1bea5a...a8de
  • --network: a target network specification (by default localhost)
// you need to specify network from the coralX-config.js
-- network gorli

Example:
$ coralX execute --path scripts/migrations --network gorli
  • --output: if script returns something it will be saved into the apropriate file in the build/custom-scripts-output folder
Example:
$ coralX execute --path scripts/custom/white-list-setup.js --network gorli --output

Scenario

$ coralX scenario

Executes scenario from the coralX-config.js file.

Supports next options:

  • --run: specifies scenarion that will be executed
Scenario example:
deployGorli: [
    ["execute", "--path", "scripts/migrations", "--network", "gorli"],
    ["execute", "--path", "scripts/configurations", "--network", "gorli"],
    ["execute", "--path", "scripts/custom/some-setup-script.js", "--network", "gorli"],
    ]
Example:
$ coralX scenario --run deployGorli

Test

$ coralX test

Designed to run smart contracts test with Mocha and Chai

Requires additional configuration in the coralX-config.js.

  • Before each execution it will run scenario migrateAndConfigureForTests. The smart contract build that will be created during this scenario will be used during tests.
  • It is required to specify in the coralX-config.js tests directory: testsDir: path.join("scripts", "tests")

Skip compilation

--skip_compile true: designed to skip smart contracts compilation each time when you are running tests. Very often we are working on tests without any changes from the smart contracts side and we do not need to do a compilation. Specifying this flag coralX will compile smart contracts once and will use the prepared build for all next tests.

Skip already executed transactions

--use_snapshot true When running tests: Designed to skip execution of the scenario migrateAndConfigureForTests each time when you are running tests. Very often we are working on tests without any changes from the smart contracts and migrations/configurations side and we don"t need to repeat these steps each time. Specifying this flag coralX will execute migrateAndConfigureForTests once and will create a snapshot. Next time when you will run tests with this flag coralX will revert the blockchain state to the snapshot.

When running deployment: Designed to skip execution of already executed successful transaction.

Publish failed transactions

a --publish_failed_tx true: with this option, coralX will publish all transactions that will fail and log their tx hash. The tx hash can be used for debugging.

Specify path

--path: provides the possibility to specify a particular directory for tests execution

Example:
$ coralX test --path test_file.js --skip_compile true --use_snapshot true

// if we configured testsDir:scripts/tests, command above will execute test in the scripts/tests/test_file.js

Functions finder

coralX fnFinder

Allows to find a function by smart contract address and method signature

Supports next options:

  • --path: directory where abi files are located
  • --data: data parameter in the next format <smart_contract_address>::<method_signature> where <smart_contract_address> is a smart contract address and method_signature signature of the method to be finded

Example:

coralX fnFinder --path <build_folder_path> --data <smart_contract_address>::<method_signature>
coralX fnFinder --path <build_folder_path> --data <method_signature>

Contributors:

License

MIT

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A simple tool for Ethereum smart contracts deployment and testing

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