def pubkeyhash_to_pubkey(pubkeyhash, provided_pubkeys=None):
# Search provided pubkeys.
if provided_pubkeys:
if type(provided_pubkeys) != list:
provided_pubkeys = [provided_pubkeys]
for pubkey in provided_pubkeys:
if pubkeyhash == script.pubkey_to_pubkeyhash(util.unhexlify(pubkey)):
return pubkey
# Search blockchain.
raw_transactions = searchrawtransactions(pubkeyhash, unconfirmed=True)
for tx in raw_transactions:
for vin in tx["vin"]:
scriptsig = vin["scriptSig"]
asm = scriptsig["asm"].split(" ")
if len(asm) >= 2:
pubkey = asm[1]
if pubkeyhash == script.pubkey_to_pubkeyhash(util.unhexlify(pubkey)):
return pubkey
raise UnknownPubKeyError("Public key was neither provided nor published in blockchain.")
def getblock(block_hash):
block_hex = BACKEND().getblock(block_hash)
return CBlock.deserialize(util.unhexlify(block_hex))
