Figured out the reward scheme

include/block/transaction.h

@@ -20,26 +20,25 @@ static inline bool Address_IsCoinbase(const uint8_t address[32]) {
     return true;
 }
 
-// 178 bytes total for v1
+// 160 bytes total for v1
 typedef struct {
-    uint8_t version;
+    uint64_t fee; // Rewarded to the miner; can be zero, but the miner may choose to ignore transactions with very low fees
+    uint64_t amount1;
+    uint64_t amount2;
     // Only one "input" sender address
     uint8_t senderAddress[32];
-
     // The "main" recepient address and amount. This is the only required output, and is used for calculating the transaction hash and signature.
     uint8_t recipientAddress1[32];
-    uint64_t amount1;
     // The "extra" recepient address and amount. This can safely be NULL/0 if not used and has multiple uses:
     // - Sending zero: parital spend, sender keeps coins on the same address
     // - Sending to a different address: normal spend, sender's coins move to a new address, e.g. change address
     // - Private Transactions: Can nullify the whole original stealth address input (sender) and send change to a new stealth address (recipient 2) to obfuscate the transaction graph.
     // Note that coinbase will have this as NULL/0 (for now, but we could have multiple payouts in the future)
     uint8_t recipientAddress2[32];
-    uint64_t amount2;
-
-    uint64_t fee; // Rewarded to the miner; can be zero, but the miner may choose to ignore transactions with very low fees
-    uint8_t compressedPublicKey[33];
     // Timestamp is dictated by the block
+    uint8_t compressedPublicKey[33];
+    uint8_t version;
+    uint8_t reserved[6]; // 6 bytes (Explicit padding for 8-byte alignment)
 } transaction_t;
 
 typedef struct {