diff --git a/chainlib/eth/block.py b/chainlib/eth/block.py
index a791a35..8589586 100644
--- a/chainlib/eth/block.py
+++ b/chainlib/eth/block.py
@@ -9,6 +9,7 @@ from hexathon import (
         add_0x,
         strip_0x,
         compact,
+        to_int as hex_to_int,
         )
 
 # local imports
@@ -153,8 +154,8 @@ txs: {}
     self.timestamp,
     datetime.datetime.fromtimestamp(self.timestamp),
     self.author,
-    self.fee_limit,
-    self.fee_cost,
+    hex_to_int(self.fee_limit),
+    hex_to_int(self.fee_cost),
     len(self.txs),
         )
 
diff --git a/chainlib/eth/cli/log.py b/chainlib/eth/cli/log.py
new file mode 100644
index 0000000..8e6cc88
--- /dev/null
+++ b/chainlib/eth/cli/log.py
@@ -0,0 +1 @@
+from chainlib.cli.log import process_log
diff --git a/chainlib/eth/contract.py b/chainlib/eth/contract.py
index 494d2a2..a24509d 100644
--- a/chainlib/eth/contract.py
+++ b/chainlib/eth/contract.py
@@ -6,6 +6,7 @@ import logging
 # external imports
 from hexathon import (
         strip_0x,
+        add_0x,
         pad,
         )
 
@@ -502,6 +503,8 @@ def code(address, block_spec=BlockSpec.LATEST, id_generator=None):
         block_height = 'pending'
     else:
         block_height = int(block_spec)
+        block_height = block_height.to_bytes(8, byteorder='big')
+        block_height = add_0x(block_height.hex())
     j = JSONRPCRequest(id_generator)
     o = j.template()
     o['method'] = 'eth_getCode'
diff --git a/chainlib/eth/runnable/block.py b/chainlib/eth/runnable/block.py
index 5f1fa09..c5bf867 100644
--- a/chainlib/eth/runnable/block.py
+++ b/chainlib/eth/runnable/block.py
@@ -65,6 +65,30 @@ def process_config_local(config, arg, args, flags):
     return config
 
 
+def process_settings_local(settings, config):
+    block_identifier = config.get('_BLOCK')
+    maybe_hex = None
+    is_number = False
+    try:
+        maybe_hex = strip_0x(block_identifier)
+    except ValueError:
+        is_number = True
+
+    if maybe_hex != None:
+        if len(maybe_hex) != 64:
+            is_number = True
+    else:
+        is_number = True
+
+    r = None
+    if not is_number:
+        config.add(block_identifier, '_HASH', False)
+    else:
+        settings.set('_BLOCK', int(block_identifier))
+
+    return process_settings(settings, config)
+
+
 argparser = chainlib.eth.cli.ArgumentParser()
 arg_flags = ArgFlag()
 arg = Arg(arg_flags)
@@ -82,32 +106,31 @@ config = process_config_local(config, arg, args, flags)
 logg.debug('config loaded:\n{}'.format(config))
 
 settings = ChainSettings()
-settings = process_settings(settings, config)
+settings = process_settings_local(settings, config)
 logg.debug('settings loaded:\n{}'.format(settings))
 
 
-def get_block(conn, block_identifier, id_generator):
 
-    maybe_hex = None
+def get_block(settings):
+    hsh = settings.get('HASH')
     r = None
-    try:
-        maybe_hex = strip_0x(block_identifier)
-    except ValueError:
-        r = get_block_number(conn, block_identifier, id_generator)
-
-    if maybe_hex != None:
-        if len(maybe_hex) != 64:
-            r = get_block_number(conn, block_identifier, id_generator)
-        elif maybe_hex != block_identifier:
-            r = get_block_hash(conn, block_identifier, id_generator)
+    if hsh == None:
+        r = get_block_number(
+                settings.get('CONN'),
+                settings.get('_BLOCK'),
+                settings.get('RPC_ID_GENERATOR'),
+                )
     else:
-        r = get_block_number(conn, block_identifier, id_generator)
+        r = get_block_hash(
+                settings.get('CONN'),
+                hsh,
+                settings.get('RPC_ID_GENERATOR'),
+                )
 
     return block_process(r)
 
 
 def get_block_number(conn, block_number, id_generator):
-    block_number = int(block_number)
     o = block_by_number(block_number, include_tx=False)
     block_src = conn.do(o)
     if block_src == None:
@@ -131,11 +154,7 @@ def block_process(block_src):
 
 
 def main():
-    r = get_block(
-            settings.get('CONN'),
-            config.get('_BLOCK'),
-            settings.get('RPC_ID_GENERATOR'),
-        )
+    r = get_block(settings)
 
     if not config.true('_RAW'):
         r = r.to_human()
diff --git a/chainlib/eth/runnable/gas.py b/chainlib/eth/runnable/gas.py
index fe23854..0285f4c 100644
--- a/chainlib/eth/runnable/gas.py
+++ b/chainlib/eth/runnable/gas.py
@@ -49,7 +49,7 @@ logg = logging.getLogger()
 
 def process_config_local(config, arg, args, flags):
     config.add(args.data, '_DATA', False)
-    config.add(args.amount, '_AMOUNT', False)
+    config.add(args.amount, '_VALUE', False)
     return config
 
 
@@ -60,7 +60,7 @@ flags = arg_flags.STD_WRITE | arg_flags.WALLET
 argparser = chainlib.eth.cli.ArgumentParser()
 argparser = process_args(argparser, arg, flags)
 argparser.add_argument('--data', type=str, help='Transaction data')
-argparser.add_argument('amount', type=int, help='Token amount to send')
+argparser.add_argument('amount', type=str, help='Token amount to send')
 args = argparser.parse_args()
 
 logg = process_log(args, logg)
@@ -99,7 +99,7 @@ def main():
     if not config.true('_UNSAFE') and not is_checksum_address(recipient):
         raise ValueError('invalid checksum address')
 
-    logg.info('gas transfer from {} to {} value {}'.format(settings.get('SENDER_ADDRESS'), settings.get('RECIPIENT'), config.get('_AMOUNT')))
+    logg.info('gas transfer from {} to {} value {}'.format(settings.get('SENDER_ADDRESS'), settings.get('RECIPIENT'), settings.get('VALUE')))
     if logg.isEnabledFor(logging.DEBUG):
         try:
             sender_balance = balance(
@@ -120,7 +120,7 @@ def main():
     (tx_hash_hex, o) = g.create(
             settings.get('SENDER_ADDRESS'),
             settings.get('RECIPIENT'),
-            config.get('_AMOUNT'),
+            settings.get('VALUE'),
             data=config.get('_DATA'),
             id_generator=settings.get('RPC_ID_GENERATOR'),
         )
diff --git a/chainlib/eth/runnable/get.py b/chainlib/eth/runnable/get.py
index e9325a4..522a47e 100644
--- a/chainlib/eth/runnable/get.py
+++ b/chainlib/eth/runnable/get.py
@@ -30,6 +30,8 @@ from chainlib.eth.connection import EthHTTPConnection
 from chainlib.eth.tx import (
         Tx,
         pack,
+        transaction,
+        receipt,
         )
 from chainlib.eth.address import (
         to_checksum_address,
@@ -51,6 +53,7 @@ from chainlib.eth.cli.config import (
         Config,
         process_config,
         )
+from chainlib.eth.contract import code
 from chainlib.eth.cli.log import process_log
 from chainlib.eth.settings import process_settings
 
@@ -66,6 +69,18 @@ def process_config_local(config, arg, args, flags):
     return config
 
 
+def process_settings_local(settings, config):
+    item = config.get('_ITEM')
+    item = strip_0x(item)
+
+    if len(item) == 40:
+        config.add(item, '_RECIPIENT', False)
+    elif len(item) == 64:
+        config.add(item, '_HASH', False)
+
+    return process_settings(settings, config)
+
+
 arg_flags = ArgFlag()
 arg = Arg(arg_flags)
 flags = arg_flags.STD_BASE_READ | arg_flags.TARGET
@@ -84,18 +99,18 @@ config = process_config_local(config, arg, args, flags)
 logg.debug('config loaded:\n{}'.format(config))
 
 settings = ChainSettings()
-settings = process_settings(settings, config)
+settings = process_settings_local(settings, config)
 logg.debug('settings loaded:\n{}'.format(settings))
 
 
 
 def get_transaction(conn, chain_spec, tx_hash, id_generator):
-    tx_hash = add_0x(tx_hash)
-    j = JSONRPCRequest(id_generator=id_generator)
-    o = j.template()
-    o['method'] = 'eth_getTransactionByHash'
-    o['params'].append(tx_hash)
-    o = j.finalize(o)
+    o = transaction(tx_hash, id_generator=id_generator)
+#    j = JSONRPCRequest(id_generator=id_generator)
+#    o = j.template()
+#    o['method'] = 'eth_getTransactionByHash'
+#    o['params'].append(tx_hash)
+#    o = j.finalize(o)
     tx_src = conn.do(o)
     if tx_src == None:
         logg.error('Transaction {} not found'.format(tx_hash))
@@ -109,10 +124,11 @@ def get_transaction(conn, chain_spec, tx_hash, id_generator):
     status = -1
     rcpt = None
 
-    o = j.template()
-    o['method'] = 'eth_getTransactionReceipt'
-    o['params'].append(tx_hash)
-    o = j.finalize(o)
+    o = receipt(tx_hash, id_generator=id_generator)
+#    o = j.template()
+#    o['method'] = 'eth_getTransactionReceipt'
+#    o['params'].append(tx_hash)
+#    o = j.finalize(o)
     rcpt = conn.do(o)
 
     if tx == None:
@@ -130,17 +146,17 @@ def get_transaction(conn, chain_spec, tx_hash, id_generator):
 
 
 def get_address(conn, address, id_generator, height):
-    address = add_0x(address)
-    j = JSONRPCRequest(id_generator=id_generator)
-    o = j.template()
-    o['method'] = 'eth_getCode'
-    o['params'].append(address)
-    height = to_blockheight_param(height)
-    o['params'].append(height)
-    o = j.finalize(o)
-    code = conn.do(o)
+    o = code(address, height, id_generator=id_generator)
+#    j = JSONRPCRequest(id_generator=id_generator)
+#    o = j.template()
+#    o['method'] = 'eth_getCode'
+#    o['params'].append(address)
+#    height = to_blockheight_param(height)
+#    o['params'].append(height)
+#    o = j.finalize(o)
+    r = conn.do(o)
     
-    content = strip_0x(code, allow_empty=True)
+    content = strip_0x(r, allow_empty=True)
     if len(content) == 0:
         return None
 
@@ -149,25 +165,21 @@ def get_address(conn, address, id_generator, height):
 
 def main():
     r = None
-    if len(config.get('_ITEM')) > 42:
+    if settings.get('HASH') != None:
         r = get_transaction(
                 settings.get('CONN'),
                 settings.get('CHAIN_SPEC'),
-                config.get('_ITEM'),
+                settings.get('HASH'),
                 settings.get('RPC_ID_GENERATOR'),
                 )
         if not config.true('_RAW'):
             r = r.to_human()
     else:
-        if config.true('_UNSAFE'):
-            address = to_checksum_address(config.get('_ITEM'))
-        elif not is_checksum_address(config.get('_ITEM')):
-            raise ValueError('invalid checksum address: {}'.format(config.get('_ITEM')))
         r = get_address(
             settings.get('CONN'),
-            config.get('_ITEM'),
+            settings.get('RECIPIENT'),
             settings.get('RPC_ID_GENERATOR'),
-            config.get('_HEIGHT'),
+            settings.get('HEIGHT'),
             )
     if r != None:
         print(r)
diff --git a/chainlib/eth/runnable/wait.py b/chainlib/eth/runnable/wait.py
index 4b16d94..3941969 100644
--- a/chainlib/eth/runnable/wait.py
+++ b/chainlib/eth/runnable/wait.py
@@ -10,8 +10,14 @@ import logging
 import urllib
 
 # external imports
+from chainlib.settings import ChainSettings
 from funga.eth.signer import EIP155Signer
 from funga.eth.keystore.dict import DictKeystore
+from chainlib.chain import ChainSpec
+from chainlib.jsonrpc import (
+        JSONRPCRequest,
+        IntSequenceGenerator,
+        )
 from hexathon import (
         add_0x,
         strip_0x,
@@ -21,10 +27,6 @@ from hexathon import (
 # local imports
 from chainlib.eth.address import to_checksum
 from chainlib.eth.connection import EthHTTPConnection
-from chainlib.jsonrpc import (
-        JSONRPCRequest,
-        IntSequenceGenerator,
-        )
 from chainlib.eth.nonce import (
         RPCNonceOracle,
         OverrideNonceOracle,
@@ -38,7 +40,6 @@ from chainlib.eth.tx import (
         raw,
         )
 from chainlib.eth.error import RevertEthException
-from chainlib.chain import ChainSpec
 from chainlib.eth.runnable.util import decode_for_puny_humans
 from chainlib.eth.jsonrpc import to_blockheight_param
 import chainlib.eth.cli
@@ -52,6 +53,7 @@ from chainlib.eth.cli.config import (
         process_config,
         )
 from chainlib.eth.cli.log import process_log
+from chainlib.eth.settings import process_settings
 
 logg = logging.getLogger()
 
diff --git a/chainlib/eth/settings.py b/chainlib/eth/settings.py
index f5cc813..be4d75b 100644
--- a/chainlib/eth/settings.py
+++ b/chainlib/eth/settings.py
@@ -1,10 +1,15 @@
 # external imports
 from chainlib.settings import process_settings as base_process_settings
 from chainlib.error import SignerMissingException
-from hexathon import add_0x
+from hexathon import (
+        add_0x,
+        strip_0x,
+        )
+from chainlib.block import BlockSpec
 
 # local imports
 import chainlib.eth.cli
+from chainlib.eth.address import to_checksum_address
 
 
 def process_settings_rpc(settings, config):
@@ -29,6 +34,27 @@ def process_settings_rpc(settings, config):
     settings.set('CONN', conn)
     settings.set('RPC_ID_GENERATOR', rpc.id_generator)
     settings.set('RPC_SEND', config.true('_RPC_SEND'))
+    
+    return settings
+
+
+def process_settings_blockspec(settings, config):
+    blockspec_in = None
+    try:
+        blockspec_in = config.get('_HEIGHT')
+    except KeyError:
+        return settings
+
+    blockspec = None
+    if blockspec_in == 'latest':
+        blockspec = BlockSpec.LATEST
+    elif blockspec_in == 'pending':
+        blockspec = BlockSpec.PENDING
+    else:
+        blockspec = int(blockspec_in)
+
+    settings.set('HEIGHT', blockspec)
+
     return settings
 
 
@@ -45,11 +71,10 @@ def process_settings_wallet(settings, config):
     if wallet.get_signer_address() == None and recipient_in != None:
         recipient_in = wallet.from_address(recipient_in)
 
-    recipient = add_0x(recipient_in)
-
+    recipient = to_checksum_address(recipient_in)
     if not config.true('_UNSAFE') and recipient != recipient_in:
         raise ValueError('invalid checksum address: {}'.format(recipient_in))
-
+    recipient = add_0x(recipient)
 
     settings.set('WALLET', wallet)
     settings.set('RECIPIENT', recipient)
@@ -63,17 +88,51 @@ def process_settings_contract(settings, config):
     except KeyError:
         return settings
 
-    exec_address = add_0x(exec_address_in)
-
+    exec_address = to_checksum_address(exec_address_in)
     if not config.true('_UNSAFE') and exec_address != exec_address_in:
         raise ValueError('invalid checksum address: {}'.format(exec_address_in))
+    exec_address = add_0x(exec_address)
 
     settings.set('EXEC', exec_address)
     return settings
 
 
+def process_settings_data(settings, config):
+    data = None
+    try:
+        data = config.get('_DATA')
+    except KeyError:
+        return settings
+
+    data = add_0x(config.get('_DATA'))
+    settings.set('DATA', data)
+    
+    return settings
+
+
+def process_settings_hash(settings, config):
+    hsh = None
+    try:
+        hsh = config.get('_HASH')
+    except KeyError:
+        return settings
+
+    hsh = strip_0x(hsh)
+    l = len(hsh)
+    if l != 64:
+        raise ValueError('invalid hash length {} for {}'.format(l, hsh))
+
+    hsh = add_0x(hsh)
+    settings.set('HASH', hsh)
+    
+    return settings
+
+
 def process_settings(settings, config):
     settings = base_process_settings(settings, config)
     settings = process_settings_wallet(settings, config)
     settings = process_settings_rpc(settings, config)
+    settings = process_settings_blockspec(settings, config)
+    settings = process_settings_data(settings, config)
+    settings = process_settings_hash(settings, config)
     return settings
diff --git a/tests/test_cli.py b/tests/test_cli.py
new file mode 100644
index 0000000..114828d
--- /dev/null
+++ b/tests/test_cli.py
@@ -0,0 +1,51 @@
+# standard imports
+import unittest
+import os
+import logging
+
+# external imports
+from aiee.arg import process_args
+
+# local imports
+#from chainlib.cli.base import argflag_std_base
+from chainlib.eth.cli.arg import (
+        ArgFlag,
+        Arg,
+        ArgumentParser,
+        )
+from chainlib.eth.cli.config import (
+        Config,
+        process_config,
+        )
+script_dir = os.path.dirname(os.path.realpath(__file__))
+data_dir = os.path.join(script_dir, 'testdata')
+config_dir = os.path.join(data_dir, 'config')
+
+logging.basicConfig(level=logging.DEBUG)
+
+
+class TestCli(unittest.TestCase):
+
+    def setUp(self):
+        self.flags = ArgFlag()
+        self.arg = Arg(self.flags)
+
+
+    def test_args_process_single(self):
+        ap = ArgumentParser()
+        flags = self.flags.VERBOSE | self.flags.CONFIG
+        process_args(ap, self.arg, flags)
+
+        argv = [
+            '-vv',
+            '-n',
+            'foo',
+                ]
+        args = ap.parse_args(argv)
+        config = Config(config_dir)
+        config = process_config(config, self.arg, args, flags)
+        self.assertEqual(config.get('CONFIG_USER_NAMESPACE'), 'foo')
+
+
+if __name__ == '__main__':
+    unittest.main()