feat(javascripts): general message passing

scripts/crosschain-token-execute.js

@@ -0,0 +1,53 @@
+'use strict';
+
+require('dotenv').config();
+
+const {
+    Contract,
+    Wallet,
+    utils,
+    providers: { JsonRpcProvider },
+} = require('ethers');
+
+const {
+    printLog,
+    printObj,
+} = require('./logging');
+
+const path = require('node:path');
+
+// these environment variables should be defined in an '.env' file
+const contractsPath = process.env.CONTRACTS_PATH;
+const url = process.env.URL;
+const privKey = process.env.PRIVATE_KEY;
+const sourceChain = process.env.SOURCE_CHAIN;
+const commandIDhex = process.env.COMMAND_ID;
+const symbol = process.env.SYMBOL;
+const amount = process.env.AMOUNT;
+const gatewayAddress = process.env.GATEWAY_ADDRESS;
+
+// the ABIs for the contract below must be manually downloaded/compiled
+const IAxelarGateway = require(path.join(contractsPath,'IAxelarGateway.json'));
+
+const provider = new JsonRpcProvider(url);
+const wallet = new Wallet(privKey, provider);
+const gateway = new Contract(gatewayAddress, IAxelarGateway.abi, wallet);
+
+const hash = utils.keccak256(utils.arrayify(Buffer.from([])));
+const commandID = utils.arrayify(commandIDhex.startsWith("0x") ? commandIDhex : "0x" + commandIDhex)
+
+printLog(`validating contract call with token for chain ${sourceChain} and destination address ${wallet.address}`);
+
+(async () => {
+    return gateway.validateContractCallAndMint(commandID,sourceChain,wallet.address,hash,symbol,amount);
+})()
+.then((tx) => {
+    tx.wait();
+    printLog(`successfully validated contract call with token for chain ${sourceChain} and destination address ${wallet.address} at tx ${tx.hash}`);
+    printObj({"validated" : tx.hash});
+    process.exit(0);
+  })
+.catch((err) => {
+    console.error(err);
+    process.exit(1);
+});

scripts/crosschain-token-transfer.js

@@ -0,0 +1,67 @@
+'use strict';
+
+require('dotenv').config();
+
+const {
+  Contract,
+  Wallet,
+  providers: { JsonRpcProvider },
+} = require('ethers');
+
+const {
+  printLog,
+  printObj,
+} = require('./logging');
+
+const path = require('node:path');
+
+// these environment variables should be defined in an '.env' file
+const contractsPath = process.env.CONTRACTS_PATH;
+const url = process.env.URL;
+const privKey = process.env.PRIVATE_KEY;
+const destinationChain = process.env.DESTINATION_CHAIN;
+const symbol = process.env.SYMBOL;
+const amount = process.env.AMOUNT;
+const gatewayAddress = process.env.GATEWAY_ADDRESS;
+
+// the ABIs for the contracts below must be manually downloaded/compiled
+const IAxelarGateway = require(path.join(contractsPath,'IAxelarGateway.json'));
+const IERC20 = require(path.join(contractsPath,'IERC20.json'));
+
+const provider = new JsonRpcProvider(url);
+const wallet = new Wallet(privKey, provider);
+const gateway = new Contract(gatewayAddress, IAxelarGateway.abi, wallet);
+const payload = Buffer.from([]);
+let transactions = {};
+
+printLog(`approving amount of ${amount}${symbol}`);
+
+(async () => {
+  const tokenAddress = await gateway.tokenAddresses(symbol);
+  const token = new Contract(tokenAddress, IERC20.abi, wallet);
+  return token.approve(gatewayAddress, amount);
+})()
+.then((tx) => {
+  tx.wait();
+  printLog(`successfully approved amount of ${amount}${symbol} at tx ${tx.hash}`);
+  printLog(`calling contract with token for chain ${destinationChain} and destination address ${wallet.address}`);
+  transactions.approve = tx.hash;
+})
+.then(() => gateway.callContractWithToken(
+  destinationChain,
+  wallet.address,
+  payload,
+  symbol,
+  amount,
+))
+.then((tx) => {
+  tx.wait();
+  printLog(`successfully called contract with token for chain ${destinationChain} and destination address ${wallet.address} at tx ${tx.hash}`);
+  transactions.mint = tx.hash;
+  printObj(transactions);
+  process.exit(0);
+})
+.catch((err) => {
+  console.error(err);
+  process.exit(1);
+});

scripts/deploy-gateway.js

@@ -10,27 +10,31 @@ const {
 } = require('ethers');
 
 const { execSync }  = require('child_process');
+const path = require('node:path');
+
+const {
+  printLog,
+  printObj,
+} = require('./logging');
 
 // these environment variables should be defined in an '.env' file
+const contractsPath = process.env.CONTRACTS_PATH;
 const prefix = process.env.PREFIX;
 const chain = process.env.CHAIN;
 const url = process.env.URL;
 const privKey = process.env.PRIVATE_KEY;
 const adminThreshold = parseInt(process.env.ADMIN_THRESHOLD);
 
+// the ABIs for the contracts below must be manually downloaded/compiled
+const TokenDeployer = require(path.join(contractsPath,'TokenDeployer.json'));
+const AxelarGatewayMultisig = require(path.join(contractsPath,'AxelarGatewayMultisig.json'));
+const AxelarGatewayProxy = require(path.join(contractsPath,'AxelarGatewayProxy.json'));
+
 const provider = new JsonRpcProvider(url);
 const wallet = new Wallet(privKey, provider);
 
-const TokenDeployer = require('../build/TokenDeployer.json');
-const AxelarGatewayMultisig = require('../build/AxelarGatewayMultisig.json');
-const AxelarGatewayProxy = require('../build/AxelarGatewayProxy.json');
-
-const printLog = (log) => { console.log(JSON.stringify({ log })) }
-const printObj = (obj) => { console.log(JSON.stringify(obj)) }
-
 printLog("retrieving admin addresses")
 const adminKeyIDs = JSON.parse(execSync(`${prefix} "axelard q tss external-key-id ${chain} --output json"`)).key_ids;
-
 const admins = adminKeyIDs.map(adminKeyID => {
   const output = execSync(`${prefix} "axelard q tss key ${adminKeyID} --output json"`);
   const key = JSON.parse(output).ecdsa_key.key;
@@ -56,7 +60,6 @@ const getAddresses = (role) => {
 }
 
 printObj({admins: {addresses: admins, threshold: adminThreshold}});
-
 printLog("retrieving owner addresses")
 const { addresses: owners, threshold: ownerThreshold } = getAddresses("master")
 printObj({owners: owners, threshold: ownerThreshold })

scripts/logging.js

@@ -0,0 +1,4 @@
+'use strict';
+
+exports.printLog = (log) => { console.log(JSON.stringify({ log })) }
+exports.printObj = (obj) => { console.log(JSON.stringify(obj)) }