Per BIP 34, the scriptSig should contain the height number in little endian.
Suppose the target height is 777888, which is a0de0b in little endian. And, the extra data I want to append is a 5-byte world "hello", which is 68656c6c6f in hex.
Concatenate (encode) the height and extra data, resulting in: 03a0de0b0568656c6c6f
Does this make a valid scriptSig in the coinbase transaction?
Do I need to add other op-codes so that the evaluation of the ScriptSig is valid?
Thank you.
