buidler.config.ts

// tslint:disable-next-line:no-var-requires
require("dotenv").config();
import { BuidlerConfig, usePlugin, task, internalTask } from "@nomiclabs/buidler/config";
import { utils, constants, ContractTransaction, Wallet } from "ethers";
import {deployContract, solidity} from "ethereum-waffle";
import { parseUnits, parseEther, BigNumberish, BigNumber } from "ethers/utils";
import { MockTokenFactory } from "@pie-dao/mock-contracts/dist/typechain/MockTokenFactory";

import { IbFactoryFactory } from "./typechain/IbFactoryFactory";
import { deployBalancerFactory, deployAndGetLibObject, linkArtifact } from "./utils";
import { IbPoolFactory } from "./typechain/IbPoolFactory";
import { Ierc20Factory } from "./typechain/Ierc20Factory";
import { PProxiedFactoryFactory } from "./typechain/PProxiedFactoryFactory";

import { Pv2SmartPool } from "./typechain/Pv2SmartPool";
import { Pv2SmartPoolFactory } from "./typechain/Pv2SmartPoolFactory";
import Pv2SmartPoolArtifact from "./artifacts/PV2SmartPool.json";

import LibPoolEntryExitArtifact from "./artifacts/LibPoolEntryExit.json";
import LibAddRemoveTokenArtifact from "./artifacts/LibAddRemoveToken.json";
import LibWeightsArtifact from "./artifacts/LibWeights.json";
import LibPoolMathArtifact from "./artifacts/LibPoolMath.json";

// Uncomment line below when doing gas optimisations on a local network
usePlugin("buidler-gas-reporter");
usePlugin("@nomiclabs/buidler-waffle");
usePlugin("@nomiclabs/buidler-etherscan");
usePlugin("solidity-coverage");
usePlugin("buidler-deploy");

const INFURA_API_KEY = process.env.INFURA_API_KEY || "";
const KOVAN_PRIVATE_KEY = process.env.KOVAN_PRIVATE_KEY || "";
const KOVAN_PRIVATE_KEY_SECONDARY = process.env.KOVAN_PRIVATE_KEY_SECONDARY || "";
const RINKEBY_PRIVATE_KEY = process.env.RINKEBY_PRIVATE_KEY || "";
const RINKEBY_PRIVATE_KEY_SECONDARY = process.env.RINKEBY_PRIVATE_KEY_SECONDARY || "";
const MAINNET_PRIVATE_KEY = process.env.MAINNET_PRIVATE_KEY || "";
const MAINNET_PRIVATE_KEY_SECONDARY = process.env.MAINNET_PRIVATE_KEY_SECONDARY || "";
const ETHERSCAN_API_KEY = process.env.ETHERSCAN_API_KEY || "";

const PLACE_HOLDER_ADDRESS = "0x1000000000000000000000000000000000000001";

interface ExtendedBuidlerConfig extends BuidlerConfig {
  [x:string]: any
}

const config: ExtendedBuidlerConfig = {
  defaultNetwork: "buidlerevm",
  solc: {
    version: "0.6.4",
    optimizer: {
      runs: 200,
      enabled: true,
    }
  },
  networks: {
    local: {
      url: "http://127.0.0.1:8545/"
    },
    buidlerevm: {
      gasPrice: 0,
      blockGasLimit: 100000000,
    },
    mainnet: {
      url: `https://mainnet.infura.io/v3/${INFURA_API_KEY}`,
      accounts: [
        MAINNET_PRIVATE_KEY,
        MAINNET_PRIVATE_KEY_SECONDARY
      ].filter((item) => item !== "")
    },
    kovan: {
      url: `https://kovan.infura.io/v3/${INFURA_API_KEY}`,
      accounts: [
        KOVAN_PRIVATE_KEY,
        KOVAN_PRIVATE_KEY_SECONDARY
      ].filter((item) => item !== "")
    },
    rinkeby: {
      url: `https://rinkeby.infura.io/v3/${INFURA_API_KEY}`,
      blockGasLimit: 12000000,
      gas: 12000000,
      gasPrice: 20000000000,
      accounts: [
        RINKEBY_PRIVATE_KEY,
        RINKEBY_PRIVATE_KEY_SECONDARY
      ].filter((item) => item !== "")
    },
    coverage: {
      url: 'http://127.0.0.1:8555', // Coverage launches its own ganache-cli client
      gasPrice: 0,
      blockGasLimit: 100000000,
    },
    frame: {
      url: "http://localhost:1248"
    }
  },
  etherscan: {
    apiKey: ETHERSCAN_API_KEY
  },
};

// Coverage fix
const {TASK_COMPILE_GET_COMPILER_INPUT} = require("@nomiclabs/buidler/builtin-tasks/task-names");
task(TASK_COMPILE_GET_COMPILER_INPUT).setAction(async (_, __, runSuper) => {
  const input = await runSuper();
  input.settings.metadata.useLiteralContent = false;
  return input;
});

task("deploy-pie-smart-pool-factory", "deploys a pie smart pool factory")
  .addParam("balancerFactory", "Address of the balancer factory")
  .setAction(async(taskArgs, { ethers, run }) => {
    const signers = await ethers.getSigners();
    const factory = await (new PProxiedFactoryFactory(signers[0])).deploy();
    console.log(`Factory deployed at: ${factory.address}`);

    const implementation = await run("deploy-libraries-and-smartpool") as Pv2SmartPool;
    await implementation.init(PLACE_HOLDER_ADDRESS, "IMPL", "IMPL", "1337");

    await factory.init(taskArgs.balancerFactory, implementation.address);
    return factory.address;
});

task("deploy-pool-from-factory", "deploys a pie smart pool from the factory")
  .addParam("factory")
  .addParam("allocation", "path to allocation configuration")
  .setAction(async(taskArgs, { ethers }) => {
    const signers = await ethers.getSigners();
    const factory = PProxiedFactoryFactory.connect(taskArgs.factory, signers[0]);

    const allocation = require(taskArgs.allocation);

    const name = allocation.name;
    const symbol = allocation.symbol
    const initialSupply = parseEther(allocation.initialSupply);
    const cap = parseEther(allocation.cap);
    const tokens = allocation.tokens;


    const tokenAddresses: string[] = [];
    const tokenAmounts: BigNumberish[] = [];
    const tokenWeights: BigNumberish[] = [];

    for (const token of tokens) {
      tokenAddresses.push(token.address);
      tokenWeights.push(parseEther(token.weight).div(2));

      // Calc amount
      const amount = new BigNumber(Math.floor((allocation.initialValue / token.value * token.weight / 100 * allocation.initialSupply * 10 ** token.decimals)).toString());
      tokenAmounts.push(amount);
      // Approve factory to spend token
      const tokenContract = Ierc20Factory.connect(token.address, signers[0]);

      const allowance = await tokenContract.allowance(await signers[0].getAddress(), factory.address);
      if(allowance.lt(amount)) {
        const approveTx = await tokenContract.approve(factory.address, constants.WeiPerEther);
        console.log(`Approved: ${token.address} tx: ${approveTx.hash}`);
        await approveTx.wait(1);
      }
    }

    const tx = await factory.newProxiedSmartPool(name, symbol, initialSupply, tokenAddresses, tokenAmounts, tokenWeights, cap, { gasLimit: 10000000 });
    const receipt = await tx.wait(); // wait for 2 confirmations
    const event = receipt.events.pop();
    console.log(`Deployed smart pool at : ${event.address}`);
    return event.address;
});

task("deploy-pie-smart-pool", "deploys a pie smart pool")
  .setAction(async(taskArgs, { ethers, run }) => {
    const signers = await ethers.getSigners();

    console.log("deploying libraries");
    const libraries = await run("deploy-libraries");
    console.log("libraries deployed");
    console.table(libraries);
    const linkedArtifact = linkArtifact(Pv2SmartPoolArtifact, libraries);

    const smartpool = (await deployContract(signers[0] as Wallet, linkedArtifact, [], {
      gasLimit: 10000000,
    })) as Pv2SmartPool;

    console.log(`Pv2SmartPool deployed at: ${smartpool.address}`);

    return smartpool;
});

task("init-smart-pool", "initialises a smart pool")
  .addParam("smartPool", "Smart pool address")
  .addParam("pool", "Balancer pool address (should have tokens binded)")
  .addParam("name", "Name of the token")
  .addParam("symbol", "Symbol of the token")
  .addParam("initialSupply", "Initial supply of the token")
  .setAction(async(taskArgs, { ethers }) => {
    const signers = await ethers.getSigners();
    const smartpool = Pv2SmartPoolFactory.connect(taskArgs.smartPool, signers[0]);
    const tx = await smartpool.init(taskArgs.pool, taskArgs.name, taskArgs.symbol, utils.parseEther(taskArgs.initialSupply));
    const receipt = await tx.wait(1);

    console.log(`Smart pool initialised: ${receipt.transactionHash}`);
});

task("deploy-smart-pool-implementation-complete")
  .addParam("implName")
  .setAction(async(taskArgs, { ethers, run }) => {
    const signers = await ethers.getSigners();

    // Deploy capped pool
    const implementation = await run("deploy-pie-smart-pool");

    console.log(`Implementation deployed at: ${implementation.address}`);
    // Init capped smart pool
    await run("init-smart-pool", {
      smartPool: implementation.address,
      pool: PLACE_HOLDER_ADDRESS,
      name: taskArgs.implName,
      symbol: taskArgs.implName,
      initialSupply: "1337"
    });

    return implementation;
});

task("deploy-smart-pool-complete")
  .addParam("balancerFactory", "Address of the balancer factory. defaults to mainnet balancer factory", "0x9424B1412450D0f8Fc2255FAf6046b98213B76Bd")
  .addParam("allocation", "path to allocation")
  .setAction(async(taskArgs, { ethers, run }) => {
    // run deploy factory task
    const smartPoolFactoryAddress = await run("deploy-pie-smart-pool-factory", {balancerFactory: taskArgs.balancerFactory});

    // run deploy pool from factory task
    await run("deploy-pool-from-factory", { factory: smartPoolFactoryAddress, allocation: taskArgs.allocation });
});

task("set-cap", "Sets the cap on a capped pool")
  .addParam("pool")
  .addParam("cap")
  .setAction(async(taskArgs, { ethers }) => {
    const signers = await ethers.getSigners();
    const smartpool = Pv2SmartPoolFactory.connect(taskArgs.pool, signers[0]);
    const tx = await smartpool.setCap(parseEther(taskArgs.cap), {gasLimit: 2000000});

    console.log(`Cap set tx: ${tx.hash}`);
});


task("join-smart-pool")
  .addParam("pool")
  .addParam("amount")
  .setAction(async(taskArgs, { ethers }) => {
    const signers = await ethers.getSigners();
    const smartpool = Pv2SmartPoolFactory.connect(taskArgs.pool, signers[0]);

    // TODO fix this confusing line
    const tokens = await IbPoolFactory.connect(await smartpool.getBPool(), signers[0]).getCurrentTokens();

    for(const tokenAddress of tokens) {
      const token = Ierc20Factory.connect(tokenAddress, signers[0]);
      // TODO make below more readable
      console.log("approving tokens");
      await (await token.approve(smartpool.address, constants.MaxUint256)).wait(1);
    }
    const tx = await smartpool.joinPool(parseEther(taskArgs.amount), {gasLimit: 2000000});
    const receipt = await tx.wait(1);

    console.log(`Pool joined tx: ${receipt.transactionHash}`)
});

task("approve-smart-pool")
  .addParam("pool")
  .setAction(async(taskArgs, { ethers }) => {
    const signers = await ethers.getSigners();
    const smartpool = Pv2SmartPoolFactory.connect(taskArgs.pool, signers[0]);

    // TODO fix this confusing line
    const tokens = await IbPoolFactory.connect(await smartpool.bPool(), signers[0]).getCurrentTokens();

    for(const tokenAddress of tokens) {
      const token = Ierc20Factory.connect(tokenAddress, signers[0]);
      // TODO make below more readable
      const receipt = await (await token.approve(smartpool.address, constants.MaxUint256)).wait(1);
      console.log(`${tokenAddress} approved tx: ${receipt.transactionHash}`);
    }
});

task("deploy-mock-token", "deploys a mock token")
  .addParam("name", "Name of the token")
  .addParam("symbol", "Symbol of the token")
  .addParam("decimals", "Amount of decimals", "18")
  .setAction(async(taskArgs, { ethers }) => {
    const signers = await ethers.getSigners();
    const factory = await new MockTokenFactory(signers[0]);
    const token = await factory.deploy(taskArgs.name, taskArgs.symbol, taskArgs.decimals);
    await token.mint(await signers[0].getAddress(), constants.WeiPerEther.mul(10000000000000));
    console.log(`Deployed token at: ${token.address}`);
});

task("deploy-balancer-factory", "deploys a balancer factory")
  .setAction(async(taskArgs, { ethers }) => {
    const signers = await ethers.getSigners();
    const factoryAddress = await deployBalancerFactory(signers[0]);

    console.log(`Deployed balancer factory at: ${factoryAddress}`);
});

task("deploy-balancer-pool", "deploys a balancer pool from a factory")
  .addParam("factory", "Address of the balancer pool address")
  .setAction(async(taskArgs, { ethers }) => {
    const signers = await ethers.getSigners();
    const factory = await IbFactoryFactory.connect(taskArgs.factory, signers[0]);
    const tx = await factory.newBPool();
    const receipt = await tx.wait(2); // wait for 2 confirmations
    const event = receipt.events.pop();
    console.log(`Deployed balancer pool at : ${event.address}`);
});

task("balancer-bind-token", "binds a token to a balancer pool")
  .addParam("pool", "the address of the Balancer pool")
  .addParam("token", "address of the token to bind")
  .addParam("balance", "amount of token to bind")
  .addParam("weight", "denormalised weight (max total weight = 50, min_weight = 1 == 2%")
  .addParam("decimals", "amount of decimals the token has", "18")
  .setAction(async(taskArgs, { ethers }) => {
    // Approve token
    const signers = await ethers.getSigners();
    const account = await signers[0].getAddress();
    const pool = IbPoolFactory.connect(taskArgs.pool, signers[0]);

    const weight = parseUnits(taskArgs.weight, 18);
    // tslint:disable-next-line:radix
    const balance = utils.parseUnits(taskArgs.balance, parseInt(taskArgs.decimals));
    const token = await Ierc20Factory.connect(taskArgs.token, signers[0]);

    const allowance = await token.allowance(account, pool.address);

    if(allowance.lt(balance)) {
      await token.approve(pool.address, constants.MaxUint256);
    }

    const tx = await pool.bind(taskArgs.token, balance, weight, {gasLimit: 1000000});
    const receipt = await tx.wait(1);

    console.log(`Token bound tx: ${receipt.transactionHash}`);
});

task("balancer-unbind-token", "removed a balancer token from a pool")
  .addParam("pool", "the address of the balancer pool")
  .addParam("token", "the address of the token to unbind")
  .setAction(async(taskArgs, { ethers }) => {
    const signers = await ethers.getSigners();
    const account = await signers[0].getAddress();
    const pool = IbPoolFactory.connect(taskArgs.pool, signers[0]);

    const tx = await pool.unbind(taskArgs.token);
    const receipt = await tx.wait(1);

    console.log(`Token unbound tx: ${receipt.transactionHash}`);
});

task("balancer-set-controller")
  .addParam("pool")
  .addParam("controller")
  .setAction(async(taskArgs, { ethers }) => {
    const signers = await ethers.getSigners();
    const pool = IbPoolFactory.connect(taskArgs.pool, signers[0]);

    const tx = await pool.setController(taskArgs.controller);
    const receipt = await tx.wait(1);

    console.log(`Controller set tx: ${receipt.transactionHash}`);
});


task("deploy-libraries", "deploys all external libraries")
  .setAction(async(taskArgs, { ethers, deployments }) => {
    const signers = await ethers.getSigners();
    const {deploy} = deployments;
    const libraries: any[] = [];

    libraries.push(await deployAndGetLibObject(LibAddRemoveTokenArtifact, signers[0]));
    libraries.push(await deployAndGetLibObject(LibPoolEntryExitArtifact, signers[0]));
    libraries.push(await deployAndGetLibObject(LibWeightsArtifact, signers[0]));
    libraries.push(await deployAndGetLibObject(LibPoolMathArtifact, signers[0]));

    return libraries;
  });

task("deploy-libraries-and-get-object")
  .setAction(async(taskArgs, { ethers, run }) => {
    const libraries = await run("deploy-libraries");

    const libObject: any = {};

    for (const lib of libraries) {
      libObject[lib.name] = lib.address;
    }

    return libObject;

  });

// Use only in testing!
internalTask("deploy-libraries-and-smartpool")
  .setAction(async(taskArgs, { ethers, run, deployments}) => {
    const {deploy} = deployments;
    const signers = await ethers.getSigners();
    const libraries = await run("deploy-libraries-and-get-object");

    console.log("libraries");
    console.log(libraries);

    const contract = (await deploy("PV2SmartPool", {contractName: "PV2SmartPool", from: await signers[0].getAddress(), libraries}));

    return Pv2SmartPoolFactory.connect(contract.address, signers[0]);
  });


export default config;