Add steps option to demurrage cli

python/CHANGELOG

@@ -1,3 +1,7 @@
+- 0.1.1
+	* Settable demurrage steps for apply demurrage cli tool
+- 0.1.0
+	* Dependency upgrades
 - 0.0.11
 	* Apply demurrage cli tool
 - 0.0.10

python/erc20_demurrage_token/runnable/apply.py

@@ -11,6 +11,8 @@ import os
 import json
 import argparse
 import logging
+import datetime
+import math
 
 # external imports
 import confini
@@ -25,10 +27,16 @@ from chainlib.eth.gas import (
         RPCGasOracle,
         OverrideGasOracle,
         )
+from chainlib.eth.block import (
+        block_latest,
+        block_by_number,
+        Block,
+        )
 from chainlib.eth.connection import EthHTTPConnection
 from chainlib.eth.tx import receipt
 from chainlib.eth.constant import ZERO_ADDRESS
 import chainlib.eth.cli
+from hexathon import to_int as hex_to_int
 
 # local imports
 import erc20_demurrage_token
@@ -47,8 +55,11 @@ config_dir = os.path.join(data_dir, 'config')
 
 arg_flags = chainlib.eth.cli.argflag_std_write | chainlib.eth.cli.Flag.EXEC
 argparser = chainlib.eth.cli.ArgumentParser(arg_flags)
+argparser.add_argument('--steps', type=int, default=0, help='Max demurrage steps to apply per round')
 args = argparser.parse_args()
 config = chainlib.eth.cli.Config.from_args(args, arg_flags, default_fee_limit=DemurrageToken.gas(), base_config_dir=config_dir)
+config.add(args.steps, '_STEPS', False)
+logg.debug('config loaded:\n{}'.format(config))
 
 wallet = chainlib.eth.cli.Wallet()
 wallet.from_config(config)
@@ -60,30 +71,73 @@ chain_spec = ChainSpec.from_chain_str(config.get('CHAIN_SPEC'))
 
 
 def main():
-    signer = rpc.get_signer()
-    signer_address = rpc.get_sender_address()
+    o = block_latest()
+    r = conn.do(o)
+ 
+    block_start_number = None
+    try:
+        block_start_number = hex_to_int(r)
+    except TypeError:
+        block_start_number = int(r)
+
+    o = block_by_number(block_start_number)
+    r = conn.do(o)
+
+    block_start = Block(r)
+    block_start_timestamp = block_start.timestamp
+    block_start_datetime = datetime.datetime.fromtimestamp(block_start_timestamp)
 
     gas_oracle = rpc.get_gas_oracle()
-    nonce_oracle = rpc.get_nonce_oracle()
+    c = DemurrageToken(chain_spec, gas_oracle=gas_oracle)
+    o = c.demurrage_timestamp(config.get('_EXEC_ADDRESS'))
+    r = conn.do(o)
 
-    c = DemurrageToken(chain_spec, signer=signer, gas_oracle=gas_oracle, nonce_oracle=nonce_oracle)
-    (tx_hash_hex, o) = c.apply_demurrage(config.get('_EXEC_ADDRESS'), signer_address)
-    if config.get('_RPC_SEND'):
-        conn.do(o)
-        if config.get('_WAIT'):
-            r = conn.wait(tx_hash_hex)
-            if r['status'] == 0:
-                sys.stderr.write('EVM revert while deploying contract. Wish I had more to tell you')
-                sys.exit(1)
-            # TODO: pass through translator for keys (evm tester uses underscore instead of camelcase)
-            address = r['contractAddress']
+    demurrage_timestamp = None
+    try:
+        demurrage_timestamp = hex_to_int(r)
+    except TypeError:
+        demurrage_timestamp = int(r)
+    demurrage_datetime = datetime.datetime.fromtimestamp(demurrage_timestamp)
 
-            print(address)
-        else:
+    total_seconds = block_start_timestamp - demurrage_timestamp
+    total_steps = total_seconds / 60
+
+    if total_steps < 1.0:
+        logg.error('only {} seconds since last demurrage application, skipping'.format(total_seconds))
+        return
+
+    logg.debug('block start is at {} demurrage is at {} -> {} minutes'.format(
+        block_start_datetime,
+        demurrage_datetime,
+        total_steps,
+        ))
+
+    rounds = 1
+    if config.get('_STEPS') > 0:
+        rounds = math.ceil(total_steps / config.get('_STEPS'))
+
+    logg.info('will perform {} rounds of {} steps'.format(rounds, config.get('_STEPS')))
+
+    last_tx_hash = None
+    for i in range(rounds):
+        signer = rpc.get_signer()
+        signer_address = rpc.get_sender_address()
+
+        nonce_oracle = rpc.get_nonce_oracle()
+
+        c = DemurrageToken(chain_spec, signer=signer, gas_oracle=gas_oracle, nonce_oracle=nonce_oracle)
+        (tx_hash_hex, o) = c.apply_demurrage(config.get('_EXEC_ADDRESS'), signer_address, limit=config.get('_STEPS'))
+        if config.get('_RPC_SEND'):
             print(tx_hash_hex)
+            conn.do(o)
+            if config.get('_WAIT_ALL') or (i == rounds - 1 and config.get('_WAIT')):
+                r = conn.wait(tx_hash_hex)
+                if r['status'] == 0:
+                    sys.stderr.write('EVM revert while deploying contract. Wish I had more to tell you')
+                    sys.exit(1)
+        else:
+            print(o)
 
-    else:
-        print(o)
 
 
 if __name__ == '__main__':

python/erc20_demurrage_token/token.py

@@ -380,6 +380,10 @@ class DemurrageToken(ERC20):
         return self.call_noarg('demurrageAmount', contract_address, sender_address=sender_address)
 
 
+    def demurrage_timestamp(self, contract_address, sender_address=ZERO_ADDRESS):
+        return self.call_noarg('demurrageTimestamp', contract_address, sender_address=sender_address)
+
+
     def supply_cap(self, contract_address, sender_address=ZERO_ADDRESS):
         return self.call_noarg('supplyCap', contract_address, sender_address=sender_address)
 

python/setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = erc20-demurrage-token
-version = 0.1.0
+version = 0.1.1
 description = ERC20 token with redistributed continual demurrage
 author = Louis Holbrook
 author_email = dev@holbrook.no
@@ -25,12 +25,13 @@ licence_files =
 
 [options]
 include_package_data = True
-python_requires = >= 3.6
+python_requires = >= 3.7
 packages =
 	erc20_demurrage_token
 	erc20_demurrage_token.runnable
 	erc20_demurrage_token.data
 	erc20_demurrage_token.sim
+	erc20_demurrage_token.unittest
 
 [options.package_data]
 * =