add gift creation tool

package.json

@@ -10,7 +10,9 @@
   "license": "MIT",
   "dependencies": {
     "connected-react-router": "^6.7.0",
+    "esm": "^3.2.25",
     "history": "^4.10.1",
+    "minimist": "^1.2.0",
     "react": "^16.12.0",
     "react-dom": "^16.12.0",
     "react-redux": "^7.2.0",

scripts/create-gift.js

@@ -0,0 +1,163 @@
+#!/usr/bin/env node
+
+import Web3 from 'web3';
+import parseArgs from 'minimist';
+import fs from 'fs';
+
+const argv = parseArgs(process.argv.slice(2), {boolean: ["deploy-factory", "deploy-bucket"], string: ["factory", "bucket", "token"], default: {"endpoint": "ws://127.0.0.1:8546", "validity-days": 365}});
+
+const web3 = new Web3(argv["endpoint"]);
+
+const GiftBucketConfig = loadEmbarkArtifact('./embarkArtifacts/contracts/GiftBucket.js');
+const GiftBucketFactoryConfig = loadEmbarkArtifact('./embarkArtifacts/contracts/GiftBucketFactory.js');
+
+const GiftBucketFactory = new web3.eth.Contract(GiftBucketFactoryConfig["abiDefinition"]);
+const GiftBucket = new web3.eth.Contract(GiftBucketConfig["abiDefinition"]);
+
+function loadEmbarkArtifact(path) {
+    let file = fs.readFileSync(path, "utf-8");
+    let json = file.replace(/import.*/, "").replace(/.*EmbarkJS.Blockchain.*/, "").replace(/export default.*/, "").replace(/const[^=]*= /, "").replace(/;/, "").trim();
+    let loadedAsset = JSON.parse(json);
+    return loadedAsset;
+}
+
+async function getDefaultSender() {
+    let accounts = await web3.eth.getAccounts();
+    return accounts[0];
+}
+
+function loadAccount(account, passfile) {
+    let json = fs.readFileSync(account, "utf-8");
+    let pass = fs.readFileSync(passfile, "utf-8").split("\n")[0].replace("\r", "");
+    return web3.eth.accounts.decrypt(json, pass);
+}
+
+async function sendMethod(methodCall, sender, to) {
+    let receipt;
+
+    if (typeof(sender) == "string") {
+        let gasAmount = await methodCall.estimateGas({from: sender});
+        receipt = await methodCall.send({from: sender, gas: gasAmount});
+    } else {
+        let gasAmount = await methodCall.estimateGas({from: sender.address});
+        let data = methodCall.encodeABI();
+        let signedTx = await sender.signTransaction({to: to, data: data, gas: gasAmount});
+        receipt = await web3.eth.sendSignedTransaction(signedTx.rawTransaction);
+    }   
+    
+    return receipt;
+}
+
+async function deployFactory(sender) {
+    let code = "0x" + GiftBucketFactoryConfig["code"];
+    let methodCall = GiftBucketFactory.deploy({data: code});
+    let receipt = await sendMethod(methodCall, sender, null);
+    return receipt.contractAddress;
+}
+
+async function deployBucket(sender, factory, token, validityInDays) {
+    let now = Math.round(new Date().getTime() / 1000);
+    let expirationDate = now + (60 * 60 * 24 * validityInDays); 
+
+    GiftBucketFactory.options.address = factory;
+    let methodCall = GiftBucketFactory.methods.create(token.toLowerCase(), expirationDate);
+
+    try {
+        let receipt = await sendMethod(methodCall, sender, null);
+        return receipt.events.Created.returnValues.bucket;
+    } catch(err) {
+        console.error(err);
+        return null;
+    }
+}
+
+async function createGift(sender, bucket, keycard) {
+    GiftBucket.options.address = bucket;
+    let methodCall = GiftBucket.methods.createGift(keycard.keycard.toLowerCase(), keycard.amount, keycard.code);
+
+    try {
+        let receipt = await sendMethod(methodCall, sender, null);
+        return receipt.events.Created.returnValues.bucket;
+    } catch(err) {
+        console.error(err);
+        return null;
+    }
+}
+
+function processLine(line) {
+    let c = line.split(",").map((e) => e.trim());
+    return {keycard: c[0], amount: parseInt(c[1]), code: c[2]};
+}
+
+async function run() {
+    GiftBucketFactory.transactionConfirmationBlocks = 3;
+    GiftBucket.transactionConfirmationBlocks = 3;
+
+    let sender;
+    let hasDoneSomething = false;
+
+    if (argv["account"]) {
+        if (!argv["passfile"]) {
+            console.error("the ---passfile option must be specified when using the --account option");
+            process.exit(1);
+        }
+
+        if (argv["sender"]) {
+            console.warn("--account used, --sender will be ignored");
+        }
+
+        sender = loadAccount(argv["account"], argv["passfile"]);
+    } else {
+        sender = argv["sender"] || await getDefaultSender();
+    }
+
+    let factory;
+    
+    if (argv["deploy-factory"]) {
+        factory = await deployFactory(sender);
+        hasDoneSomething = true;
+        console.log("Factory deployed at: " + factory);
+    } else {
+        factory = argv["factory"];
+    }
+
+    let bucket;
+    
+    if (argv["deploy-bucket"]) {
+        if (!factory) {
+            console.error("the --factory or --deploy-factory option must be specified");
+            process.exit(1);
+        }
+
+        if (!argv["token"]) {
+            console.error("the --token option must be specified");
+            process.exit(1);
+        }
+
+        if (!argv["validity-days"]) {
+            console.error("the --validity-days option must be specified");
+            process.exit(1);
+        }
+
+        bucket = await deployBucket(sender, factory, argv["token"], argv["validity-days"]);
+        hasDoneSomething = true;
+        console.log("Bucket deployed at: " + bucket);
+    } else {
+        bucket = argv["bucket"];
+    }
+    
+    let keycards;
+
+    if (argv["file"]) {
+        let file = fs.readFileSync(argv["file"], 'utf8');
+        keycards = file.split("\n").map(processLine);
+        await Promise.all(keycards.map((keycard) => createGift(sender, bucket, keycard)));
+    } else if (!hasDoneSomething) {
+        console.error("the --file option must be specified");
+        process.exit(0);
+    }
+
+    process.exit(0);
+}
+
+run();

yarn.lock

@@ -4767,6 +4767,11 @@ eslint@~3.19.0:
     text-table "~0.2.0"
     user-home "^2.0.0"
 
+esm@^3.2.25:
+  version "3.2.25"
+  resolved "https://registry.yarnpkg.com/esm/-/esm-3.2.25.tgz#342c18c29d56157688ba5ce31f8431fbb795cc10"
+  integrity sha512-U1suiZ2oDVWv4zPO56S0NcR5QriEahGtdN2OR6FiOG4WJvcjBVFB0qI4+eKoWFH483PKGuLuu6V8Z4T5g63UVA==
+
 espree@^3.4.0:
   version "3.5.4"
   resolved "https://registry.yarnpkg.com/espree/-/espree-3.5.4.tgz#b0f447187c8a8bed944b815a660bddf5deb5d1a7"