add deploy script

scripts/deploy-mainnet.js

@@ -0,0 +1,34 @@
+const {BigNumber} = require('ethers')
+const hre = require('hardhat')
+
+const uris = require('../metadata/uris')
+const contractURI = 'https://ipfs.io/ipfs/' + uris.collection.json
+
+async function deploy() {
+	const Violet = await hre.ethers.getContractFactory('Violet')
+	const violet = await Violet.deploy(
+		contractURI,
+		process.env.MAINNET_WITHDRAWAL_1,
+		process.env.MAINNET_WITHDRAWAL_2,
+		{gasPrice: BigNumber.from(process.env.MAINNET_GAS_PRICE)}
+	)
+
+	const tx = violet.deployTransaction
+	console.log('Deployment tx:', tx.hash)
+
+	await violet.deployed()
+	;[deployer, ...addrs] = await ethers.getSigners()
+
+	console.log('Violet deployed to:', violet.address)
+	console.log('Deployed by:', deployer.address)
+}
+
+const tryToDeploy = async () => {
+	// Repeat deploy() until gasPrice < block base fee
+	deploy().catch((error) => {
+		console.error(error)
+		tryToDeploy()
+	})
+}
+
+tryToDeploy()