empyrean_sample.py

import time
import pprint

from empyrean.api import IPCAPI

from keys import address, passphrase

api = IPCAPI("/home/ivo/.ethereum/geth.ipc")

res = api.personal.unlockAccount(address, passphrase)
print(api.eth.coinbase())

#code = open("example.sol", "r").read()
#compiled = api.eth.compileSolidity(code)

# print("Compiled")
# pprint.pprint(compiled)

data = "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"
txhash = api.eth.sendTransaction(address, gas=300000, data=data)

# print(txhash)


def wait_for_receipt(txhash):
    for i in range(100):
        receipt = api.eth.getTransactionReceipt(txhash)
        if receipt is None:
            print(".", end="", flush=True)
            time.sleep(1)
            continue
        print(receipt)
        break
    return receipt

contract_receipt = wait_for_receipt(txhash)
contract_address = contract_receipt['contractAddress']

print("contract address", contract_address)

# contract_address = "0xa404a287753153946deded7caadd25d6d71ffd17"

from empyrean.abi import tohex, enc_method, enc_string

call_set_s = '0x' + tohex(enc_method("set_s(string)") +
                          enc_string("Hello, world")).decode('ascii')

# should be:
# call_set_s = "0xe7aab2900000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000000c48656c6c6f2c20776f726c640000000000000000000000000000000000000000"

print("call_set_s", call_set_s)
call1 = api.eth.sendTransaction(address, to=contract_address, data=call_set_s,
                                gas=300000)

call1_receipt = wait_for_receipt(call1)

# should be 75d74f39
call_get_s = '0x' + tohex(enc_method("get_s()")).decode('ascii')

print("call_get_s", call_get_s)

call2 = api.eth.call(address, to=contract_address, data=call_get_s,
                     gas=100000)

print("call2", call2)
# call2_receipt = wait_for_receipt(call2)

# code = api.eth.getCode(contract_address)
# print(code)