New tree (#11)

* add withdrawalAddress to merkle tree

* 1.8.7

* show restake logic

* 1.8.8

* add withdrawalAddress props

* 1.8.9

package.json

@@ -1,5 +1,5 @@
 {
-  "version": "1.8.6",
+  "version": "1.8.9",
   "main": "dist/index.js",
   "name": "@stakewise/v3-deposit-data-parser",
   "description": "v3-deposit-data-parser",

src/parser/getDepositData.ts

@@ -21,15 +21,14 @@ export type DepositDataInput = {
 const getDepositData = async (values: DepositDataInput): Promise<DepositData> => {
   const { pubkey, vaultAddress, withdrawalAddress, network } = values
 
-  // TODO: use withdrawalCredentialAddress instead of vaultAddress after restake logic is implemented
-  // const isRestakeVault = await requests.checkIsRestakeVault(vaultAddress, network)
-  //
-  // const withdrawalCredentialAddress = isRestakeVault
-  //   ? await getEigenPodAddress({ vaultAddress, withdrawalAddress, network })
-  //   : vaultAddress
+  const isRestakeVault = await requests.checkIsRestakeVault(vaultAddress, network)
+
+  const withdrawalCredentialAddress = isRestakeVault
+    ? await getEigenPodAddress({ vaultAddress, withdrawalAddress, network })
+    : vaultAddress
 
   try {
-    const withdrawalCredentials = getWithdrawalCredentials(vaultAddress)
+    const withdrawalCredentials = getWithdrawalCredentials(withdrawalCredentialAddress)
 
     const depositData = {
       amount: getAmount(network),

src/parser/getTreeLeaf.ts

@@ -6,12 +6,13 @@ export type TreeLeafInput = {
   pubkey: string
   signature: string
   depositData: DepositData
+  withdrawalAddress?: string
 }
 
-// Creates an array concatenating pubkey, signature, and hashTreeRoot for a given deposit data
+// Creates an array concatenating pubkey, signature, hashTreeRoot and withdrawalAddress for a given deposit data
 // This array is used to create a Merkle tree and load it into IPFS
 const getTreeLeaf = (values: TreeLeafInput): Uint8Array => {
-  const { depositData, pubkey, signature } = values
+  const { depositData, pubkey, signature, withdrawalAddress } = values
 
   try {
     // Calculate the hash tree root for the given deposit data and signature
@@ -20,12 +21,18 @@ const getTreeLeaf = (values: TreeLeafInput): Uint8Array => {
       signature: getBytes(prefix0x.add(signature)),
     })
 
-    const leave = Buffer.concat([
+    const leafParts = [
       getBytes(prefix0x.add(pubkey)),
       getBytes(prefix0x.add(signature)),
-    ])
+      hashTreeRoot,
+    ]
 
-    const treeLeaf = Buffer.concat([ leave, hashTreeRoot ])
+    // Optionally add the withdrawal address if it exists
+    if (withdrawalAddress) {
+      leafParts.push(getBytes(prefix0x.add(withdrawalAddress)))
+    }
+
+    const treeLeaf = Buffer.concat(leafParts)
 
     return treeLeaf
   }

src/parser/index.ts

@@ -29,7 +29,7 @@ export const depositDataParser = async (input: ParserInput) => {
 
     verifySignature({ bls, pubkey, signature, depositData, network })
 
-    const treeLeaf = getTreeLeaf({ pubkey, signature, depositData })
+    const treeLeaf = getTreeLeaf({ pubkey, signature, depositData, withdrawalAddress: withdrawal_address })
 
     pubkeySet.add(pubkey)
     treeLeaves.push(treeLeaf)