name.py (256B)
1 # standard imports 2 import hashlib 3 4 5 def for_label(chain_spec, label, salt): 6 chain_str = str(chain_spec) 7 h = hashlib.new('sha256') 8 h.update(chain_str.encode('utf-8')) 9 h.update(label) 10 h.update(salt) 11 z = h.digest() 12 13 return z.hex()