def content(self, name_domain):
"""
Returns the hash associated with an RNS domain.
or 0x00 if hash is not set.
:param name_domain:
:return:
"""
eip137hash = namehash(name_domain)
response = self.resolver_contract.functions.content(eip137hash).call()
return response
def set_content(self, name_domain, hash, from_account):
"""
Sets the hash associated with an RNS domain.
May only be called by the owner of that node in the RNS registry.
:param name_domain: The domain to update.
:param hash: The address to set.
:param from_account: The spender address
:return:
"""
eip137hash = namehash(name_domain)
response = self.resolver_contract.functions.setContent(eip137hash, hash).transact({"from": from_account})
return response
def addr(self, name_domain=None) -> str:
"""
Returns the address associated with an RNS node.
or 0x00 if address is not set.
:param name_domain: The RNS' name domain to query.
:return: rsk address
"""
if is_rns_address(name_domain):
eip137hash = namehash(name_domain)
resolved_address = self.resolver_contract.functions.addr(eip137hash).call()
return resolved_address
else:
raise RnsError("Invalid RNS domain")
def has(self, name_domain, kind):
"""
Returns true if the specified node has the specified record type.
:param name_domain: The RNS' name domain to query.
:param kind: The record type name, as specified in RNSIP01.
:return: True if this resolver has a record of the provided type on the provided node.
"""
eip137hash = namehash(name_domain)
byte_str_kind = kind.encode()
byte_str_hex_kind = binascii.hexlify(byte_str_kind)
str_hex_kind = byte_str_hex_kind.decode("utf-8")
response = self.resolver_contract.functions.has(eip137hash, str_hex_kind).call()
return response
def chain_addr(self,
name_domain: str,
chain_id: int = RSK_CHAIN_ID) -> str:
"""
Returns the address associated with an RNS node for a specific chain id.
or 0x00 if address is not set.
:param chain_id: The RNS' chain id. Defaults to rsk chain id.
:param name_domain: The RNS' name domain to query.
:return: rsk address
"""
if is_rns_address(name_domain):
eip137hash = namehash(name_domain)
resolved_address = self.resolver_contract.functions.chainAddr(
eip137hash, chain_id).call()
return resolved_address
else:
raise RnsError("Invalid RNS domain")
