checkStealthAddress wip

bokkypoobah · Dec 28, 2023 · f318138 · f318138
1 parent 933c8a9
commit f318138
Showing 1 changed file with 16 additions and 4 deletions.
diff --git a/docs/index.html b/docs/index.html
@@ -1834,9 +1834,21 @@ <h5>Stealth Meta-Address</h5>
           },
           async processData(provider) {
             function checkStealthAddress(stealthAddress, ephemeralPublicKey, viewingPrivateKey, spendingPublicKey) {
+              const result = {};
               // console.log(moment().format("HH:mm:ss") + " processData - checkStealthAddress - stealthAddress: " + stealthAddress + ", ephemeralPublicKey: " + ephemeralPublicKey + ", viewingPrivateKey: " + viewingPrivateKey + ", spendingPublicKey: " + spendingPublicKey);
               console.log("    Check stealthAddress: " + stealthAddress + ", ephemeralPublicKey: " + ephemeralPublicKey + ", viewingPrivateKey: " + viewingPrivateKey + ", spendingPublicKey: " + spendingPublicKey);
-
+              result.sharedSecret = nobleCurves.secp256k1.getSharedSecret(viewingPrivateKey.substring(2), ephemeralPublicKey.substring(2), false);
+              // console.log("      sharedSecret: " + result.sharedSecret);
+              result.hashedSharedSecret = ethers.utils.keccak256(result.sharedSecret.slice(1));
+              // console.log("      hashedSharedSecret: " + result.hashedSharedSecret);
+              result.hashedSharedSecretPoint = nobleCurves.secp256k1.ProjectivePoint.fromPrivateKey(result.hashedSharedSecret.substring(2));
+              // console.log("      hashedSharedSecretPoint: ", result.hashedSharedSecretPoint);
+              result.stealthPublicKey = nobleCurves.secp256k1.ProjectivePoint.fromHex(spendingPublicKey.substring(2)).add(result.hashedSharedSecretPoint);
+              // console.log("      stealthPublicKey: ", result.stealthPublicKey);
+              result.stealthAddress = ethers.utils.computeAddress("0x" + result.stealthPublicKey.toHex(false));
+              // console.log("      match: " + (result.stealthAddress == stealthAddress));
+              result.match = result.stealthAddress == stealthAddress;
+              return result;
             }
             console.log(moment().format("HH:mm:ss") + " processData BEGIN");
             // console.log(moment().format("HH:mm:ss") + " processData - events: " + JSON.stringify(this.events));
@@ -1850,14 +1862,14 @@ <h5>Stealth Meta-Address</h5>
                 for (const [address, accountData] of Object.entries(addresses)) {
                   for (const [stealthMetaAddress, stealthMetaAddressData] of Object.entries(accountData.stealthMetaAddresses)) {
                     console.log("  Checking " + address.substring(0, 20) + " " + stealthMetaAddress.substring(0, 30));
-                    // console.log(JSON.stringify(stealthMetaAddressData));
                     const stealthAddress = eventData.stealthAddress;
                     const ephemeralPublicKey = eventData.ephemeralPublicKey;
                     const viewingPrivateKey = stealthMetaAddressData.viewingPrivateKey;
                     const spendingPublicKey = stealthMetaAddressData.spendingPublicKey;
                     const status = checkStealthAddress(stealthAddress, ephemeralPublicKey, viewingPrivateKey, spendingPublicKey);
-
-
+                    for (const [k, v] of Object.entries(status)) {
+                      console.log("    ", k, "=>", v);
+                    }
                   }
                 }
               }