jrakibi ec1f1abfef test:Validate UTXO snapshot with coin_height > base_height & amount > money_supply ...

You can use this tool to decode the utxo snapshot https://github.com/jrakibi/utxo-live
Here’s an overview of how it’s done:
The serialization forma for a UTXO in the snapshot is as follows:
1. Transaction ID (txid) - 32 bytes
2. Output Index (outnum)- 4 bytes
3. VARINT (code) - A varible-length integer encoding the height and whether the transaction is a coinbase. The format of this VARINT is (height << 1) | coinbase_flag.
4. VARINT (amount_v) - A variable-length integer that represents a compressed format of the output amount (in satoshis).

For the test cases mentioned:
* b"\x84\x58" - This value corresponds to a VARINT representing the height and coinbase flag. Once we decode this code, we can extract the height and coinbase using height = code_decoded >> 1 and coinbase = code_decoded & 0x01. In our case, with code_decoded = 728, it results in height = 364 and coinbase = 0.
* b"\xCA\xD2\x8F\x5A" - This byte sequence represents a compressed amount value. The decompression function takes this value and translates it into a full amount in satoshis. In our case, the decompression of this amount translates to a number larger than the maximum allowed value of coins (21 million BTC)

test:Validate UTXO snapshot with coin_height > base_height & amount > money_supply

test:Validate UTXO snapshot with coin_height > base_height & amount > money_supply

2024-04-22 23:37:31 +01:00

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