Reinstate basic tx test

apps/cic-eth/tests/unit/eth/test_raw.py

@@ -0,0 +1,30 @@
+# external imports
+from chainlib.eth.gas import (
+        Gas,
+        RPCGasOracle,
+        )
+from chainlib.eth.tx import (
+        TxFormat,
+        unpack,
+        )
+from chainlib.eth.nonce import RPCNonceOracle
+from chainlib.connection import RPCConnection
+from hexathon import strip_0x
+
+def test_unpack(
+        default_chain_spec,
+        eth_rpc,
+        eth_signer,
+        agent_roles,
+        ):
+
+    chain_id = default_chain_spec.chain_id()
+    rpc = RPCConnection.connect(default_chain_spec, 'default')
+    nonce_oracle = RPCNonceOracle(agent_roles['ALICE'], eth_rpc)
+    gas_oracle = RPCGasOracle(eth_rpc)
+    c = Gas(signer=eth_signer, nonce_oracle=nonce_oracle, gas_oracle=gas_oracle, chain_id=default_chain_spec.chain_id())
+    (tx_hash_hex, tx_signed_raw_hex) = c.create(agent_roles['ALICE'], agent_roles['BOB'], 100 * (10 ** 6), tx_format=TxFormat.RLP_SIGNED)
+
+    tx = unpack(bytes.fromhex(strip_0x(tx_signed_raw_hex)), chain_id=chain_id)
+
+    assert tx_hash_hex == tx['hash']

apps/cic-eth/tests/util/gas.py

@@ -0,0 +1,9 @@
+class StaticGasOracle:
+
+    def __init__(self, price, limit):
+        self.price = price
+        self.limit = limit
+
+
+    def get_gas(self):
+        return (self.price, self.limit)