Add CIC package

Add abi signature encoding list

Add cic package

python-contract-interfaces/eth_seal/__init__.py

@@ -0,0 +1 @@
+from .seal import EthSeal

python-contract-interfaces/eth_seal/seal.py

@@ -0,0 +1,32 @@
+# external imports
+from chainlib.eth.tx import TxFormat
+from chainlib.eth.tx import TxFactory
+from chainlib.jsonrpc import JSONRPCRequest
+from chainlib.eth.constant import ZERO_ADDRESS
+from chainlib.eth.contract import ABIContractEncoder
+from chainlib.eth.contract import ABIContractType
+from chainlib.eth.contract import abi_decode_single
+from hexathon import add_0x
+
+
+class EthSeal(TxFactory):
+
+    def __noarg(self, method, contract_address, sender_address=ZERO_ADDRESS, id_generator=None):
+        j = JSONRPCRequest(id_generator)
+        o = j.template()
+        o['method'] = 'eth_call'
+        enc = ABIContractEncoder()
+        enc.method(method)
+        data = add_0x(enc.get())
+        tx = self.template(sender_address, contract_address)
+        tx = self.set_code(tx, data)
+        o['params'].append(self.normalize(tx))
+        return o
+   
+
+    def max_seal_state(self, contract_address, sender_address=ZERO_ADDRESS, id_generator=None):
+        return self.__noarg('maxSealState', contract_address, sender_address=sender_address, id_generator=id_generator)
+
+
+    def seal_state(self, contract_address, sender_address=ZERO_ADDRESS, id_generator=None):
+        return self.__noarg('sealState', contract_address, sender_address=sender_address, id_generator=id_generator)

python-contract-interfaces/eth_seal/unittest/__init__.py

@@ -0,0 +1 @@
+from .interface import TestEthSealInterface

python-contract-interfaces/eth_seal/unittest/base.py

@@ -0,0 +1,61 @@
+# standard imports
+import os
+import logging
+
+# external imports
+from chainlib.eth.unittest.ethtester import EthTesterCase
+from chainlib.connection import RPCConnection
+from chainlib.eth.nonce import RPCNonceOracle
+from chainlib.eth.tx import receipt
+from chainlib.eth.tx import TxFactory
+from chainlib.eth.tx import TxFormat
+from chainlib.eth.contract import ABIContractEncoder
+from chainlib.eth.contract import ABIContractType
+from cic_contracts.unittest import bytecode
+from cic_contracts import Name
+
+script_dir = os.path.dirname(os.path.realpath(__file__))
+contract_dir = os.path.join(script_dir, '..', '..', 'solidity')
+
+logg = logging.getLogger(__name__)
+
+
+class TestEthSeal(EthTesterCase):
+
+    def setUp(self):
+        super(TestEthSeal, self).setUp()
+
+        self.set_method = None
+
+        self.conn = RPCConnection.connect(self.chain_spec, 'default')
+        nonce_oracle = RPCNonceOracle(self.accounts[0], self.conn)
+
+        code = bytecode(Name.SEAL)
+
+        txf = TxFactory(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+        tx = txf.template(self.accounts[0], None, use_nonce=True)
+
+        self.max_seal_state = 7
+        tx = txf.set_code(tx, code)
+        (tx_hash_hex, o) = txf.build(tx)
+        self.conn.do(o)
+        o = receipt(tx_hash_hex)
+        r = self.conn.do(o)
+        self.assertEqual(r['status'], 1)
+        self.address = r['contract_address']
+        self.contracts['seal'] = self.address
+        logg.debug('published seal test contract with hash {}'.format(r))
+
+
+    def seal(self, contract_address, sender_address, v, tx_format=TxFormat.JSONRPC):
+        nonce_oracle = RPCNonceOracle(self.accounts[0], self.conn)
+        txf = TxFactory(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+        enc = ABIContractEncoder()
+        enc.method('seal')
+        enc.typ(ABIContractType.UINT256)
+        enc.uint256(v)
+        data = enc.get()
+        tx = txf.template(sender_address, contract_address, use_nonce=True)
+        tx = txf.set_code(tx, data)
+        tx = txf.finalize(tx, tx_format)
+        return tx

python-contract-interfaces/eth_seal/unittest/interface.py

@@ -0,0 +1,39 @@
+# external imports
+from chainlib.eth.tx import receipt
+
+# local imports
+from eth_seal import EthSeal
+
+
+class TestEthSealInterface:
+
+    def __init__(self):
+        self.set_method = None
+        self.max_seal_state = 0
+
+
+    def test_default_seal(self):
+        if self.max_seal_state == 0:
+            return
+        c = EthSeal(self.chain_spec)
+        o = c.max_seal_state(self.address, sender_address=self.accounts[0])
+        r = self.rpc.do(o)
+        self.assertEqual(self.max_seal_state, int(r, 16))
+
+
+    def test_seal_set(self):
+        if self.set_method == None:
+            return
+        if self.max_seal_state == 0:
+            return
+
+        (tx_hash, o) = self.set_method(self.contracts['seal'], self.accounts[0], self.max_seal_state)
+        self.rpc.do(o)
+        o = receipt(tx_hash)
+        r = self.rpc.do(o)
+        self.assertEqual(r['status'], 1)
+
+        c = EthSeal(self.chain_spec)
+        o = c.max_seal_state(self.address, sender_address=self.accounts[0])
+        r = self.rpc.do(o)
+        self.assertEqual(self.max_seal_state, int(r, 16))