from shadowlands.sl_contract import SLContract
from web3.exceptions import ValidationError, NameNotFound
from eth_utils import decode_hex, encode_hex
from shadowlands.tui.debug import debug
import pdb
class DappNotFound(Exception):
pass
class SLoader(SLContract):
def package(self, eth_address):
try:
try:
package = self.functions.packages(eth_address).call()
except NameNotFound:
# try tacking an .eth on to the address
package = self.functions.packages(eth_address + '.eth').call()
uri = package[1]
checksum = encode_hex(package[0])
except (ValidationError, NameNotFound):
raise DappNotFound
if uri == '' or checksum == '0000000000000000000000000000000000000000000000000000000000000000':
raise DappNotFound
return uri, checksum.replace('0x','')
def register_package(self, checksum, url):
fn = self.functions.registerPackage(decode_hex(checksum.strip()), url.strip())
return fn
MAINNET='sloader.shadowlands.eth'
ABI='''[{"constant":true,"inputs":[{"name":"sl_dapp","type":"address"}],"name":"checksum","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"packages","outputs":[{"name":"checksum","type":"bytes32"},{"name":"uri","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"checksum","type":"bytes32"},{"name":"uri","type":"string"}],"name":"registerPackage","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"sl_dapp","type":"address"}],"name":"uri","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"}]'''
