bip141 commitment is required for signet blocks

Co-authored-by: MarcoFalke <[email protected]>

Author: instagibbs

bip-0325.mediawiki

@@ -26,7 +26,7 @@ A new type of test network would be more suitable for integration testing by org
 
 A new type of network ("signet"), which takes an additional consensus parameter called the challenge (scriptPubKey). The challenge can be a simple pubkey (P2PKH style), or a k-of-n multisig, or any other script you would want.
 
-In order to provide a non-empty solution to the block challenge the block's BIP 141 commitment's optional data must include an additional commitment of the signature/solution for the block:
+Signet requires all blocks to have a BIP 141 commitment in the coinbase transaction. In order to provide a non-empty solution to the block challenge the block's BIP 141 commitment's optional data must include an additional commitment of the signature/solution for the block:
 
     1-5 bytes - Push the following (4 + x + y) bytes
     4 bytes - Signet header (0xecc7daa2)