T-Hax
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README.md
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README.md
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# Tornado Cash SDK
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SDK to integrate your protocol with Tornado Cash.
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A general purpose SDK for Tornado Cash interactions.
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[Please check out the docs here.](./docs/ABOUT.md)
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* [Please check out the docs here.](./docs/ABOUT.md)
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You SHOULD familiarize yourself with features [still considered experimental](./docs/EXPERIMENTAL.md).
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* You SHOULD familiarize yourself with features [still considered experimental](./docs/EXPERIMENTAL.md).
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You may also read, [a note on testing.](./docs/TESTS.md)
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* You may also read, [a note on testing.](./docs/TESTS.md)
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Contributions are welcome, we are here for freedom after all!
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See [HISTORY.md](./HISTORY.md) for a development log.
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# Package `md5sum` checksums
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# Latest package `md5sum` checksums
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If they are not correct contact the dev, post an issue, or yell in the Matrix chat.
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```
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ecfbb8a878d31a163f6569c0aea32221 tornado-sdk-0.0.10-alpha.zip
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05be559908957e0f4961121537abc25c tornado-sdk-chain-0.0.9-alpha.zip
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bbc6bebfc9a36b022b5236da7791a234 tornado-sdk-core-0.0.10-alpha.zip
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3afd4ac753d27d2371623ba94f0c17aa tornado-sdk-crypto-0.0.9-alpha.zip
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d250fbc88e1e55b26f26179fa12aacb9 tornado-sdk-data-0.0.9-alpha.zip
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8cee3f65925686ea397d2c20f567be1a tornado-sdk-utils-0.0.9-alpha.zip
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49cef79f2e800ccaab5ae54f67dad124 tornado-sdk-web-0.0.9-alpha.zip
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19ca2e85b680d6605e7b3c39e9acc791 tornado-sdk-0.0.11-alpha.zip
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168bcc32bb6f6973205413ebd685ad55 tornado-sdk-chain-0.0.11-alpha.zip
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a2facbdf22e78bbb3de0d0cf6ad86280 tornado-sdk-core-0.0.11-alpha.zip
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90c3be466ab4fa4795377336ba7f0e67 tornado-sdk-crypto-0.0.11-alpha.zip
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0442a6f42ece8615c4d6b04f2d00f4e9 tornado-sdk-data-0.0.11-alpha.zip
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2b79bc500ad061c518c3d369e85e89e6 tornado-sdk-utils-0.0.11-alpha.zip
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faf9dc39b0fbbb06f6848ea9217a1b17 tornado-sdk-web-0.0.11-alpha.zip
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```
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# Functions which are still considered experimental
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# Functions which are still considered slightly experimental
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Ranked by danger.
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* **Core.buildDepositProof(s)** ➡️ because we still need more testnet tests. Nominally, should work though. Use at own risk. Very very likely won't break.
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* **Core.buildDepositProof(s)** ➡️ because we still need more testnet tests. Will most likely not break, but watch out with token withdrawals, until we have a testnet confirmation.
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* **Relayer.handleWithdrawal** ➡️ because no test relayer has been yet available to handle this. Will likely break.
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160
docs/USAGE.md
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docs/USAGE.md
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# Usage Examples
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### Build a deposit transaction
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### Make a deposit
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```ts
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import { Wallet, BigNumber } from "ethers"
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import * as Tornado from "@tornado/sdk"
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import { providers } from "ethers"
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import * as dotenv from "dotenv"
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dotenv.config()
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async function main() {
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// Get the core Tornado Cash logic.
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const torProvider =
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new Tornado.Web.TorProvider(process.env.NETWORK_RPC!, { port: process.env. })
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const wallet = new Wallet(process.env.PRIVATE_KEY!, torProvider)
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console.log(
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"\n 🤑 Balance of the wallet on network => ",
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(await wallet.getBalance()).div(BigNumber.from(10).pow(18)).toString(),
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'\n'
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)
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const core = new Tornado.Core()
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// Connect a provider
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await core.connect(new providers.JsonRpcProvider("https://some.rpc.url"))
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await core.connect(torProvider)
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// Build tx (synchronous)
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const tx = core.createDepositTransaction(core.getInstance("usdc", "100"))
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console.log("\n 🌪️ Tornado Core connected\n")
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// Print the tx to console
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console.log(tx)
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// You can set something lower here, in case you're a poor bastard, like me, obviously xD
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const instance = core.getInstance("eth", 1)
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const tx = core.createDepositTransaction(instance)
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console.log(`\n 💱 Deposit request created!\n\n${JSON.stringify(tx)}\n`)
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console.log(`\n Sending...\n`)
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const response = await wallet.sendTransaction(tx.request)
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console.log(`\n Response arrived!\n`)
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console.log(`\n Note: ${tx.note}, you need this, but it will be backed up!\n`)
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const receipt = await response.wait()
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console.log(`\n Receipt received!\n`)
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await core.backupNote(instance, tx)
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console.log("\n All backed up! Load with \"core.loadNotes\" next time!\n")
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}
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main()
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```
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### Build a withdrawal transaction
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### Make a withdrawal
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This is _still_ considered experimental, I will flag it as _not experimental_ after a certain number of production tests.
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Goerli withdrawals for ETH showed to be working, but I still consider it experimental for ETH and definitely for tokens.
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```ts
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import { Wallet, BigNumber, utils } from "ethers"
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import * as Tornado from "@tornado/sdk"
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import { providers, BigNumber } from "ethers"
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import * as dotenv from "dotenv"
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dotenv.config()
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async function main() {
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// The address to receive the funds...
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const receiverAddress = "0x0000000000000000000000000000000000000000"
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const torProvider =
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new Tornado.Web.TorProvider(process.env.NETWORK_RPC!, { port: 9150 })
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// Get the core Tornado Cash logic.
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const core = new Tornado.Core()
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const depositorWallet = new Wallet(process.env.DEPOSITOR_PRIVATE_KEY!, torProvider)
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const receiverWallet = new Wallet(process.env.RECEIVER_PRIVATE_KEY!, torProvider)
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// Get a regular ethers v5 provider.
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const provider = new providers.JsonRpcProvider("https://some.rpc.url")
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let initialBalanceOfReceiver = await receiverWallet.getBalance()
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const initialBalanceOfDepositor = await depositorWallet.getBalance()
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// This time we need to connect the provider
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await core.connect(provider)
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const zeroPointThree = utils.parseUnits("0.3")
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// We also need a relayer
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const relayer = new Tornado.Web.Relayer({
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url: "https://" + "some.relayer.org",
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// Web can also instead provide a TorHttpClient or an (ethers v5) TorProvider
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httpClient: new Tornado.Web.RegularHttpClient()
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})
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if (initialBalanceOfReceiver.lt(zeroPointThree)) {
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const response = await depositorWallet.sendTransaction({
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to: receiverWallet.address,
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value: zeroPointThree.sub(initialBalanceOfReceiver)
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})
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await response.wait()
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// We always have to fetch the current properties of a relayer
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await relayer.fetchProperties()
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console.log("\n 🤑 Funded receiver wallet to exactly 0.3 ether \n")
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// Once that is done let's get an instance we have a proof of
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const instance = core.getInstance("eth", "0.1")
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initialBalanceOfReceiver = await receiverWallet.getBalance()
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}
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// We have to load the note, the arguments can be
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// indexes - indexes according to which you may choose the notes in cache
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// keys - the keys according to which you may choose the notes in cache
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// In our case we've set indexes to undefined and choosing our notes according to the instance
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// And then selecting the first one of those
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const note = (await core.loadNotes(undefined, {
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network: '' + core.chain.id,
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token: "eth",
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denomination: "0.1"
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}))[0]
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console.log(
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"\n 🤑 Initial balance of depositor wallet on network => ",
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initialBalanceOfDepositor.toString(),
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'\n'
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)
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// Now build the proof
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const proof = await core.createDepositProof(instance, relayer.properties, receiverAddress, note, {
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// Defaults after the function populates as a showcase
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// You can also leave all of this out and it will set it by itself
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checkNotesSpent: true,
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checkKnownRoot: true,
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merkleTreeHeight: 20,
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tokenDecimals: 18,
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ethPurchaseAmounts: [BigNumber.from(0)], // When doing multiple proofs, more elements in array
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gasPrice: undefined,
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gasPriceCushion: undefined,
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})
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console.log(
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"\n 🤑 Initial balance of receiver wallet on network => ",
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initialBalanceOfReceiver.toString(),
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'\n'
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)
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console.log(proof)
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const core = new Tornado.Core()
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await core.connect(torProvider)
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console.log("\n 🌪️ Tornado Core connected!\n")
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const instance = core.getInstance("eth", 1)
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const note = (await core.loadNotes())[0]
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const proof = await core.createDepositProof(
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instance,
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{ address: receiverWallet.address },
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receiverWallet.address,
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note
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)
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console.log(`\n 📜 Proof built:\n\n${proof}\n`)
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const response = await instance.connect(receiverWallet).withdraw(proof[0], proof[1], proof[2], proof[3], proof[4], proof[5], proof[6])
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await response.wait()
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console.log("\n 🌪️🌪️🌪️💰🥷 Withdrawal successful! \n")
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console.log(
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"\n 🤑 Balance of the receiver wallet on network => ",
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(await receiverWallet.getBalance()).toString(),
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'\n'
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)
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}
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main()
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// Sync! Output will be in the project dir in the cache folder
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await core.syncDeposits(instance)
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// Now export it as an archive!
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// Now export it as a zipped archive!
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await core.exportCacheZip('Deposits1ETH0.1')
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}
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}
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)
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// Export as archive again!
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// Export as a zipped archive again!
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await core.exportCacheZip('Deposits1ETH0.1')
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}
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