mirror of
git://holbrook.no/eth-contract-registry
synced 2024-11-16 06:26:47 +01:00
44 lines
1.1 KiB
Python
44 lines
1.1 KiB
Python
|
# external imports
|
||
|
|
from chainlib.jsonrpc import (
|
||
|
|
jsonrpc_template,
|
||
|
|
)
|
||
|
|
from chainlib.eth.contract import (
|
||
|
|
ABIContractEncoder,
|
||
|
|
ABIContractType,
|
||
|
|
abi_decode_single,
|
||
|
|
)
|
||
|
|
from chainlib.eth.tx import TxFactory
|
||
|
|
from hexathon import (
|
||
|
|
add_0x,
|
||
|
|
)
|
||
|
|
from chainlib.eth.constant import (
|
||
|
|
ZERO_ADDRESS,
|
||
|
|
)
|
||
|
|
|
||
|
|
# local imports
|
||
|
|
from .encoding import (
|
||
|
|
to_identifier,
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class Registry(TxFactory):
|
||
|
|
|
||
|
|
def address_of(self, contract_address, identifier_string, sender_address=ZERO_ADDRESS):
|
||
|
|
o = jsonrpc_template()
|
||
|
|
o['method'] = 'eth_call'
|
||
|
|
enc = ABIContractEncoder()
|
||
|
|
enc.method('addressOf')
|
||
|
|
enc.typ(ABIContractType.BYTES32)
|
||
|
|
identifier = to_identifier(identifier_string)
|
||
|
|
enc.bytes32(identifier)
|
||
|
|
data = add_0x(enc.encode())
|
||
|
|
tx = self.template(sender_address, contract_address)
|
||
|
|
tx = self.set_code(tx, data)
|
||
|
|
o['params'].append(self.normalize(tx))
|
||
|
|
return o
|
||
|
|
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def parse_address_of(self, v):
|
||
|
|
return abi_decode_single(ABIContractType.ADDRESS, v)
|