Add quoter example contract for decimals translation

python/erc20_pool/unittest/quote.py

@@ -0,0 +1,37 @@
+# standard imports
+import logging
+import time
+# 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.address import to_checksum_address
+from giftable_erc20_token.unittest import TestGiftableToken
+from eth_erc20 import ERC20
+from chainlib.eth.block import block_latest
+from eth_accounts_index.unittest import TestAccountsIndex
+from eth_accounts_index.registry import AccountRegistry
+from giftable_erc20_token import GiftableToken
+from erc20_limiter.unittest import TestLimiter
+
+# local imports
+from erc20_pool.quote import DecimalQuote
+
+logg = logging.getLogger(__name__)
+
+class TestDecimalQuote(EthTesterCase):
+
+    def setUp(self):
+        super(TestDecimalQuote, self).setUp()
+        self.conn = RPCConnection.connect(self.chain_spec, 'default')
+
+        nonce_oracle = RPCNonceOracle(self.accounts[0], conn=self.conn)
+        c = DecimalQuote(self.chain_spec, signer=self.signer, nonce_oracle=nonce_oracle)
+        (tx_hash, o) = c.constructor(self.accounts[0])
+        self.rpc.do(o)
+        o = receipt(tx_hash)
+        r = self.rpc.do(o)
+        self.assertEqual(r['status'], 1)
+        self.quoter_address = to_checksum_address(r['contract_address'])
+        logg.debug('published quoter {}'.format(self.quoter_address))