diff --git a/scripts/deploy.js b/scripts/deploy.js
new file mode 100644
index 0000000..db226e4
--- /dev/null
+++ b/scripts/deploy.js
@@ -0,0 +1,94 @@
+// We require the Hardhat Runtime Environment explicitly here. This is optional
+// but useful for running the script in a standalone fashion through `node <script>`.
+//
+// When running the script with `hardhat run <script>` you'll find the Hardhat
+// Runtime Environment's members available in the global scope.
+const hre = require('hardhat')
+const { toFixedHex, poseidonHash2, randomBN } = require('../src/utils')
+const MerkleTree = require('fixed-merkle-tree')
+const instances = [
+  '0x1111000000000000000000000000000000001111',
+  '0x2222000000000000000000000000000000002222',
+  '0x3333000000000000000000000000000000003333',
+  '0x4444000000000000000000000000000000004444',
+]
+
+const blocks = ['0xaaaaaaaa', '0xbbbbbbbb', '0xcccccccc', '0xdddddddd']
+const CHUNK_TREE_HEIGHT = 2
+const levels = 20
+
+async function main() {
+  const governance = '0x5efda50f22d34F262c29268506C5Fa42cB56A1Ce'
+  const [tornadoProxy] = await hre.ethers.getSigners()
+  console.log('deployer/tornadoProxy acc: ', tornadoProxy.address)
+
+  const tree = new MerkleTree(levels, [], { hashFunction: poseidonHash2 })
+  const TornadoTreesV1Mock = await hre.ethers.getContractFactory('TornadoTreesV1Mock')
+  const tornadoTreesV1Mock = await TornadoTreesV1Mock.deploy(0, 0, tree.root(), tree.root())
+  await tornadoTreesV1Mock.deployed()
+  console.log('tornadoTreesV1Mock deployed to:', tornadoTreesV1Mock.address)
+
+  const notes = []
+  const depositEvents = []
+  const withdrawalEvents = []
+  for (let i = 0; i < 2 ** CHUNK_TREE_HEIGHT; i++) {
+    notes[i] = {
+      instance: instances[i % instances.length],
+      depositBlock: blocks[i % blocks.length],
+      withdrawalBlock: 2 + i + i * 4 * 60 * 24,
+      commitment: randomBN(),
+      nullifierHash: randomBN(),
+    }
+    await tornadoTreesV1Mock.register(
+      notes[i].instance,
+      toFixedHex(notes[i].commitment),
+      toFixedHex(notes[i].nullifierHash),
+      notes[i].depositBlock,
+      notes[i].withdrawalBlock,
+    )
+    depositEvents[i] = {
+      hash: toFixedHex(notes[i].commitment),
+      instance: toFixedHex(notes[i].instance, 20),
+      block: toFixedHex(notes[i].depositBlock, 4),
+    }
+    withdrawalEvents[i] = {
+      hash: toFixedHex(notes[i].nullifierHash),
+      instance: toFixedHex(notes[i].instance, 20),
+      block: toFixedHex(notes[i].withdrawalBlock, 4),
+    }
+  }
+  console.log(`Registered ${notes.length} new deposits and withdrawals in tornadoTreesV1Mock`)
+  console.log(JSON.stringify(depositEvents, null, 2))
+  console.log(JSON.stringify(withdrawalEvents, null, 2))
+
+  const BatchTreeUpdateVerifier = await hre.ethers.getContractFactory('BatchTreeUpdateVerifier')
+  const verifier = await BatchTreeUpdateVerifier.deploy()
+  await verifier.deployed()
+  console.log('Verifier deployed to:', verifier.address)
+
+  const TornadoTrees = await hre.ethers.getContractFactory('TornadoTrees')
+  const tornadoTrees = await TornadoTrees.deploy(
+    governance,
+    tornadoProxy.address,
+    tornadoTreesV1Mock.address,
+    verifier.address,
+    {
+      unprocessedDeposits: 1, // this approximate value, actually there are 4, but the contract will figure out that
+      unprocessedWithdrawals: 1,
+      depositsPerDay: 2, // parameter for searching the count of unprocessedDeposits
+      withdrawalsPerDay: 2,
+    },
+  )
+  await tornadoTrees.deployed()
+  console.log('tornadoTrees deployed to:', tornadoTrees.address)
+  console.log('You can use the same private key to register new deposits in the tornadoTrees')
+}
+
+// We recommend this pattern to be able to use async/await everywhere
+// and properly handle errors.
+main()
+  .then(() => process.exit(0))
+  .catch((error) => {
+    console.error(error)
+    process.exit(1)
+  })
diff --git a/scripts/sample-script.js b/scripts/sample-script.js
deleted file mode 100644
index 811f578..0000000
--- a/scripts/sample-script.js
+++ /dev/null
@@ -1,48 +0,0 @@
-// We require the Hardhat Runtime Environment explicitly here. This is optional
-// but useful for running the script in a standalone fashion through `node <script>`.
-//
-// When running the script with `hardhat run <script>` you'll find the Hardhat
-// Runtime Environment's members available in the global scope.
-const hre = require('hardhat')
-const { toFixedHex, poseidonHash2 } = require('../src/utils')
-const toEns = (addr) => toFixedHex(addr, 20).padEnd(66, '0')
-const MerkleTree = require('fixed-merkle-tree')
-
-async function main() {
-  // Hardhat always runs the compile task when running scripts with its command
-  // line interface.
-  //
-  // If this script is run directly using `node` you may want to call compile
-  // manually to make sure everything is compiled
-  // await hre.run('compile');
-
-  const BatchTreeUpdateVerifier = await hre.ethers.getContractFactory('BatchTreeUpdateVerifier')
-  const verifier = await BatchTreeUpdateVerifier.deploy()
-  await verifier.deployed()
-  const TornadoTrees = await hre.ethers.getContractFactory('TornadoTrees')
-  // bytes32 _governance,
-  //   bytes32 _tornadoProxy,
-  //   bytes32 _treeUpdateVerifier,
-  //   bytes32 _depositRoot,
-  //   bytes32 _withdrawalRoot
-  const levels = 20
-  const tree = new MerkleTree(levels, [], { hashFunction: poseidonHash2 })
-  const tornadoTrees = await TornadoTrees.deploy(
-    toEns('0x5efda50f22d34F262c29268506C5Fa42cB56A1Ce'),
-    toEns('0x905b63Fff465B9fFBF41DeA908CEb12478ec7601'),
-    toEns(verifier.address),
-    toFixedHex(tree.root()),
-    toFixedHex(tree.root()),
-  )
-  await tornadoTrees.deployed()
-  console.log('tornadoTrees deployed to:', tornadoTrees.address)
-}
-
-// We recommend this pattern to be able to use async/await everywhere
-// and properly handle errors.
-main()
-  .then(() => process.exit(0))
-  .catch((error) => {
-    console.error(error)
-    process.exit(1)
-  })