import sys

from chainlib.eth.constant import ZERO_ADDRESS
from chainlib.eth.gas import DefaultGasOracle
from chainlib.eth.nonce import DefaultNonceOracle
from chainlib.eth.tx import TxFactory
from chainlib.eth.connection import HTTPConnection
from chainlib.eth.hash import keccak256_string_to_hex
from chainlib.eth.rpc import jsonrpc_template
from chainlib.eth.error import EthException
import eth_abi
from hexathon import (
        strip_0x,
        add_0x,
        )

i = 0
while True:
    conn = HTTPConnection('http://localhost:63545')
    gas_oracle = DefaultGasOracle(conn)
    nonce_oracle = DefaultNonceOracle(ZERO_ADDRESS, conn)

    # Get Token registry address
    txf = TxFactory(signer=None, gas_oracle=gas_oracle, nonce_oracle=nonce_oracle, chain_id=8996)
    tx = txf.template(ZERO_ADDRESS, sys.argv[1])
    identifiers_method = keccak256_string_to_hex('identifiers(uint256)')[:8]
    data = add_0x(identifiers_method)
    data += eth_abi.encode_single('uint256', i).hex()
    txf.set_code(tx, data)
    
    o = jsonrpc_template()
    o['method'] = 'eth_call'
    tx = txf.normalize(tx)
    o['params'].append(tx)
    o['params'].append('latest')
    try:
        r = conn.do(o)
    except EthException:
        break
    id_bytes = bytes.fromhex(strip_0x(r))
    id_str = id_bytes[:id_bytes.find(b'\x00')]
    print(id_str.decode('utf-8̈́'))
    i += 1