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Add a function for loading contracts #170

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May 16, 2022
Merged

Add a function for loading contracts #170

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84 changes: 53 additions & 31 deletions ops_boba/api/metatransaction-api/metaTransaction_getTestnetETH.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,31 +2,8 @@ const ethers = require('ethers')
const YAML = require('yaml')
const fs = require('fs')

// Load env
let env = process.env
if (fs.existsSync('./env.yml')) {
const file = fs.readFileSync('./env.yml', 'utf8')
env = YAML.parse(file)
}
const L2_NODE_WEB3_URL = env.L2_NODE_WEB3_TESTNET_URL === undefined ? env.L2_NODE_WEB3_URL : env.L2_NODE_WEB3_TESTNET_URL
const PRIVATE_KEY = env.PRIVATE_KEY_FAUCET
const BOBA_AUTHENTICATEDFAUCET_ADDRESS = env.BOBA_AUTHENTICATEDFAUCET_TESTNET_ADDRESS

// Get provider and wallet
const l2Provider = new ethers.providers.JsonRpcProvider(L2_NODE_WEB3_URL)
const l2Wallet = new ethers.Wallet(PRIVATE_KEY).connect(l2Provider)

// ABI
const TwitterAuthenticatedFaucetInterface = new ethers.utils.Interface([
'function sendFundsMeta(address,string,bytes32,bytes)',
])

// Load contracts
const Boba_AuthenticatedFaucet = new ethers.Contract(
BOBA_AUTHENTICATEDFAUCET_ADDRESS,
TwitterAuthenticatedFaucetInterface,
l2Wallet
)
// Support local tests
require('dotenv').config()

const headers = {
'Access-Control-Allow-Origin': '*',
Expand All @@ -39,14 +16,58 @@ const headers = {
'Permissions-Policy': '*',
}

// Load contracts
const loadContracts = () => {
// Load env
let env = process.env
if (fs.existsSync('./env.yml')) {
const file = fs.readFileSync('./env.yml', 'utf8')
env = YAML.parse(file)
}
const L2_NODE_WEB3_URL =
env.L2_NODE_WEB3_TESTNET_URL === undefined
? env.L2_NODE_WEB3_URL
: env.L2_NODE_WEB3_TESTNET_URL
const PRIVATE_KEY = env.PRIVATE_KEY_FAUCET
const BOBA_AUTHENTICATEDFAUCET_ADDRESS =
env.BOBA_AUTHENTICATEDFAUCET_TESTNET_ADDRESS

// Get provider and wallet
const l2Provider = new ethers.providers.JsonRpcProvider(L2_NODE_WEB3_URL)
const l2Wallet = new ethers.Wallet(PRIVATE_KEY).connect(l2Provider)

// ABI
const TwitterAuthenticatedFaucetInterface = new ethers.utils.Interface([
'function sendFundsMeta(address,string,bytes32,bytes)',
])

// Load contracts
const Boba_AuthenticatedFaucet = new ethers.Contract(
BOBA_AUTHENTICATEDFAUCET_ADDRESS,
TwitterAuthenticatedFaucetInterface,
l2Wallet
)
return Boba_AuthenticatedFaucet
}

// Verify message and send to node if it's correct
module.exports.mainnetHandler = async (event, context, callback) => {
const body = JSON.parse(event.body)

const { hashedMsg, signature, tweetId, walletAddress } = body

const Boba_AuthenticatedFaucet = loadContracts()

// Send transaction to node
try {
console.log("SendFundsMeta: ", walletAddress, tweetId, hashedMsg, signature, L2_NODE_WEB3_URL)
console.log(
'SendFundsMeta: ',
walletAddress,
tweetId,
hashedMsg,
signature,
L2_NODE_WEB3_URL
)

await Boba_AuthenticatedFaucet.estimateGas.sendFundsMeta(
walletAddress,
Expand All @@ -61,8 +82,7 @@ module.exports.mainnetHandler = async (event, context, callback) => {
hashedMsg,
signature
)
await execTx.wait();

await execTx.wait()
} catch (err) {
console.error(err)
return callback(null, {
Expand All @@ -84,9 +104,12 @@ module.exports.rinkebyHandler = async (event, context, callback) => {
const body = JSON.parse(event.body)

const { hashedMsg, signature, tweetId, walletAddress } = body

const Boba_AuthenticatedFaucet = loadContracts()

// Send transaction to node
try {
console.log("SendFundsMeta: ", walletAddress, tweetId, hashedMsg, signature)
console.log('SendFundsMeta: ', walletAddress, tweetId, hashedMsg, signature)

await Boba_AuthenticatedFaucet.estimateGas.sendFundsMeta(
walletAddress,
Expand All @@ -101,8 +124,7 @@ module.exports.rinkebyHandler = async (event, context, callback) => {
hashedMsg,
signature
)
await execTx.wait();

await execTx.wait()
} catch (err) {
console.error(err)
return callback(null, {
Expand Down