render-templates.js

const fs = require("fs-extra");
const mustache = require("mustache");

module.exports = function (callback) {
  (async () => {
    const chainId = await web3.eth.net.getId();
    const templateData = {
      network:
        {
          [1]: "mainnet",
          [4]: "rinkeby",
          [77]: "poa-sokol",
          [100]: "xdai",
        }[chainId] || "development",
      nuancedBinaryTemplateId:
        {
          [1]: 6,
        }[chainId] || 5,
    };

    for (const contractName of [
      "FPMMDeterministicFactory",
      "FPMMDeterministicFactoryV2",
      "FixedProductMarketMaker",
      "ConditionalTokens",
      "Realitio",
      "RealitioProxy",
      "RealitioScalarAdapter",
      "ERC20Detailed",
      "DXTokenRegistry",
      "GeneralizedTCR",
      "UniswapV2Factory",
      "SwaprFactory",
      "UniswapV2Pair",
      "WETH9",
      "DAI",
      "USDC",
      "USDT",
      "StakingRewardsFactory",
      "StakingRewardsDistribution",
    ]) {
      const { abi } = fs.readJsonSync(`build/contracts/${contractName}.json`);
      fs.outputJsonSync(`abis/${contractName}.json`, abi, { spaces: 2 });

      const C = artifacts.require(contractName);
      try {
        const { address } = C;
        templateData[contractName] = {
          address,
          addressLowerCase: address.toLowerCase(),
          startBlock: (await web3.eth.getTransactionReceipt(C.transactionHash))
            .blockNumber,
        };
      } catch (e) {
        console.error("Error rendering templates: ", e);
      }
    }

    for (const templatedFileDesc of [
      ["subgraph", "yaml"],
      ["src/utils/token", "ts"],
      ["src/FPMMDeterministicFactoryMapping", "ts"],
      ["src/ConditionalTokensMapping", "ts"],
      ["src/RealitioMapping", "ts"],
      ["src/UniswapV2PairMapping", "ts"],
      ["src/StakingRewardsDistributionMapping", "ts"],
    ]) {
      const template = fs
        .readFileSync(
          `${templatedFileDesc[0]}.template.${templatedFileDesc[1]}`
        )
        .toString();
      fs.writeFileSync(
        `${templatedFileDesc[0]}.${templatedFileDesc[1]}`,
        mustache.render(template, templateData)
      );
    }
  })().then(() => callback(), callback);
};