fix: update memoHex decoding v1 v2

Author: iflabsfish

main/api/chainport/vendor/metadata.ts

@@ -49,7 +49,27 @@ export class ChainportMemoMetadata {
    * @param encodedHex - The encoded hex string
    * @returns A tuple containing the network id, address, and toIronfish flag
    */
-  public static decode(encodedHex: string): [number, string, boolean] {
+  public static decodeV1(encodedHex: string): [number, string, boolean] {
+    const hexInteger = BigInt("0x" + encodedHex);
+    const encodedString = hexInteger.toString(2);
+    const padded = encodedString.padStart(250, "0");
+    const networkId = this.decodeNumberFrom10Bits(padded);
+
+    const toIronfish = padded[0] === "1";
+    const addressCharacters = [];
+
+    for (let i = 10; i < padded.length; i += 6) {
+      const j = i + 6;
+      const charBits = padded.slice(i, j);
+      addressCharacters.push(this.decodeCharFrom6Bits(charBits));
+    }
+
+    const address = "0x" + addressCharacters.join("");
+
+    return [networkId, address.toLowerCase(), toIronfish];
+  }
+
+  public static decodeV2(encodedHex: string): [number, string, boolean] {
     const bytes = Buffer.from(encodedHex, "hex");
     const networkId = bytes.readUInt8(0);
     const addressBytes = bytes.subarray(1, 21);

main/api/chainport/vendor/utils.ts

@@ -36,7 +36,7 @@ export const extractChainportDataFromTransaction = (
 
 const getIncomingChainportTransactionData = (
   transaction: RpcWalletTransaction,
-  config: { incomingAddresses: Set<string> },
+  config: { incomingAddresses: Set<string>; bridgeFeeUpgrade: Date },
 ): ChainportTransactionData => {
   const bridgeNote = transaction.notes?.[0];
 
@@ -47,9 +47,19 @@ const getIncomingChainportTransactionData = (
     return undefined;
   }
 
-  const [sourceNetwork, address, _] = ChainportMemoMetadata.decode(
-    bridgeNote.memoHex,
-  );
+  let sourceNetwork: number;
+  let address: string;
+  let _toIronfish: boolean;
+
+  if (new Date(transaction.timestamp) < config.bridgeFeeUpgrade) {
+    [sourceNetwork, address, _toIronfish] = ChainportMemoMetadata.decodeV1(
+      bridgeNote.memoHex,
+    );
+  } else {
+    [sourceNetwork, address, _toIronfish] = ChainportMemoMetadata.decodeV2(
+      bridgeNote.memoHex,
+    );
+  }
 
   return {
     type: TransactionType.RECEIVE,
@@ -60,7 +70,7 @@ const getIncomingChainportTransactionData = (
 
 const getOutgoingChainportTransactionData = (
   transaction: RpcWalletTransaction,
-  config: { outgoingAddresses: Set<string> },
+  config: { outgoingAddresses: Set<string>; bridgeFeeUpgrade: Date },
 ): ChainportTransactionData => {
   if (!transaction.notes || transaction.notes.length < 2) {
     return undefined;
@@ -80,9 +90,19 @@ const getOutgoingChainportTransactionData = (
     return undefined;
   }
 
-  const [sourceNetwork, address, _] = ChainportMemoMetadata.decode(
-    bridgeNote.memoHex,
-  );
+  let sourceNetwork: number;
+  let address: string;
+  let _toIronfish: boolean;
+
+  if (new Date(transaction.timestamp) < config.bridgeFeeUpgrade) {
+    [sourceNetwork, address, _toIronfish] = ChainportMemoMetadata.decodeV1(
+      bridgeNote.memoHex,
+    );
+  } else {
+    [sourceNetwork, address, _toIronfish] = ChainportMemoMetadata.decodeV2(
+      bridgeNote.memoHex,
+    );
+  }
 
   return {
     type: TransactionType.SEND,