config.js

// uploaded = available on azure blob storage
// submitted = block header posted to the plasma parent contract

function sleep(ms){
    return new Promise(resolve=>{
        setTimeout(resolve,ms)
    })
}

const env = process.env;
const fs = require("fs");
// don't load .env file in prod
if (env.NODE_ENV !== 'production') {
    require('dotenv').load();
}

module.exports = {
    debug: env.DEBUG === "TRUE" ? true : false,
    port: env.PORT || 4000,
    verbose: Number.parseInt(env.VERBOSE) || 0,
    gasLimit: 1e6,
    blockAssemblyInterval: Number.parseInt(env.BLOCK_TIME, 10) || 60 * 1000,
    blockWritingInterval: 5 * 1000,
    connectionString: env.STORAGE_CONNECTION_STRING,
    storageBucket: env.STORAGE_BUCKET || "stage",
    blockHeaderLength: 4 + 4 + 32 + 32 + 65,
    fromBlock: env.FROM_BLOCK || "1",
    assemblerEndpoint: env.ASSEMBLER_ENDPOINT || "assembler",
    writerEndpoint: env.WRITER_ENDPOINT || "blockwriter",
    processorEndpoint: env.EVENTPROCESSOR_ENDPOINT || "eventprocessor",
    txProcessorEndpoint: env.TX_PROCESSOR_ENDPOINT || "txProcessor",
    fromAddress: env.ETH_FROM,
    ethNodeAddress: env.ETH_NODE || 'http://localhost:8545',
    blockSenderKey: env.ETH_KEY || "c87509a1c067bbde78beb793e6fa76530b6382a4c0241e5e4a9ec0a0f44dc0d3",
    challengeSenderKeys: getChallengeSendersKeys(),
    // contractAddress: require('./details.json').address,
    contractDetails: getContractDetails,

    redis: {
        host: env.REDIS_HOST || 'localhost',
        port: Number.parseInt(env.REDIS_PORT, 10) || 6379,
        string_numbers: true,
        password: env.REDIS_PASSWORD
    },

    blocks_shift: Number.parseInt(env.BLOCKS_SHIFT, 10) || 6,
    deposit_blocks_shift: Number.parseInt(env.DEPOSIT_BLOCKS_SHIFT, 10) || 25,
};

async function getContractDetails() {
    const useSharedFolder = env.USE_SHARED_FOLDER === "TRUE" ? true : false;
    const sharedFolderPath = env.SHARED_FOLDER_PATH || ""
    if (useSharedFolder) {
        const path = sharedFolderPath + "details"
        while (!fs.existsSync(path)) {
            await sleep(5000)
        }
        const contractDetails = JSON.parse(fs.readFileSync(path).toString("utf8"))
        return contractDetails
    }
    const contractDetails = JSON.parse(fs.readFileSync(__dirname+"/contracts/build/details").toString("utf8"))
    return contractDetails
}

function getChallengeSendersKeys() {
    const fromEnv = env.CHAL_KEYS
    if (fromEnv === undefined || fromEnv === "") {
        return [env.ETH_KEY]
    }
    const allKeys = fromEnv.split(",")
    if (allKeys.length == 0) {
        return [env.ETH_KEY]
    }
    return allKeys
}