Remove ERC20 interface
This commit is contained in:
nolash
parent
39c59cceb9
commit
69bb03d10c
GPG Key ID:
21D2E7BB88C2A746
@ -1,9 +1,11 @@
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- 0.0.1
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- 0.0.3-pending
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* Remove erc20 module (to new external package)
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- 0.0.2-unreleased
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*
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- 0.0.1-unreleased
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* Add eth tx decode
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* Add eth balance query with erc20 option
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* Add eth checksum address
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* Add eth subscribe monitor
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* Add eth erc20 transfer script
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* Add eth gas send script
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* Add eth eip165 support
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* Add eth eip173, custom "owned" support
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@ -1,238 +0,0 @@
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# standard imports
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import logging
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# external imports
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import sha3
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from hexathon import (
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add_0x,
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strip_0x,
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)
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from crypto_dev_signer.eth.transaction import EIP155Transaction
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# local imports
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from chainlib.hash import (
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keccak256_hex_to_hex,
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keccak256_string_to_hex,
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)
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from .constant import ZERO_ADDRESS
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from .tx import (
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TxFactory,
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TxFormat,
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)
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from .contract import (
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ABIContractEncoder,
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ABIContractDecoder,
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ABIContractType,
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abi_decode_single,
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)
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from chainlib.jsonrpc import jsonrpc_template
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from .error import RequestMismatchException
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logg = logging.getLogger()
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class ERC20(TxFactory):
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def balance_of(self, contract_address, address, sender_address=ZERO_ADDRESS):
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o = jsonrpc_template()
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o['method'] = 'eth_call'
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enc = ABIContractEncoder()
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enc.method('balanceOf')
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enc.typ(ABIContractType.ADDRESS)
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enc.address(address)
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data = add_0x(enc.get())
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tx = self.template(sender_address, contract_address)
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tx = self.set_code(tx, data)
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o['params'].append(self.normalize(tx))
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o['params'].append('latest')
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return o
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def balance(self, contract_address, address, sender_address=ZERO_ADDRESS):
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return self.balance_of(contract_address, address, sender_address=ZERO_ADDRESS)
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def symbol(self, contract_address, sender_address=ZERO_ADDRESS):
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o = jsonrpc_template()
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o['method'] = 'eth_call'
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enc = ABIContractEncoder()
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enc.method('symbol')
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data = add_0x(enc.get())
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tx = self.template(sender_address, contract_address)
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tx = self.set_code(tx, data)
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o['params'].append(self.normalize(tx))
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o['params'].append('latest')
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return o
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def name(self, contract_address, sender_address=ZERO_ADDRESS):
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o = jsonrpc_template()
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o['method'] = 'eth_call'
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enc = ABIContractEncoder()
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enc.method('name')
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data = add_0x(enc.get())
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tx = self.template(sender_address, contract_address)
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tx = self.set_code(tx, data)
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o['params'].append(self.normalize(tx))
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o['params'].append('latest')
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return o
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def decimals(self, contract_address, sender_address=ZERO_ADDRESS):
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o = jsonrpc_template()
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o['method'] = 'eth_call'
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enc = ABIContractEncoder()
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enc.method('decimals')
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data = add_0x(enc.get())
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tx = self.template(sender_address, contract_address)
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tx = self.set_code(tx, data)
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o['params'].append(self.normalize(tx))
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o['params'].append('latest')
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return o
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def transfer(self, contract_address, sender_address, recipient_address, value, tx_format=TxFormat.JSONRPC):
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enc = ABIContractEncoder()
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enc.method('transfer')
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.UINT256)
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enc.address(recipient_address)
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enc.uint256(value)
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data = add_0x(enc.get())
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tx = self.template(sender_address, contract_address, use_nonce=True)
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tx = self.set_code(tx, data)
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tx = self.finalize(tx, tx_format)
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return tx
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def transfer_from(self, contract_address, sender_address, holder_address, recipient_address, value, tx_format=TxFormat.JSONRPC):
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enc = ABIContractEncoder()
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enc.method('transferFrom')
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.UINT256)
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enc.address(holder_address)
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enc.address(recipient_address)
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enc.uint256(value)
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data = add_0x(enc.get())
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tx = self.template(sender_address, contract_address, use_nonce=True)
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tx = self.set_code(tx, data)
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tx = self.finalize(tx, tx_format)
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return tx
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def approve(self, contract_address, sender_address, spender_address, value, tx_format=TxFormat.JSONRPC):
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enc = ABIContractEncoder()
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enc.method('approve')
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.UINT256)
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enc.address(spender_address)
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enc.uint256(value)
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data = add_0x(enc.get())
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tx = self.template(sender_address, contract_address, use_nonce=True)
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tx = self.set_code(tx, data)
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tx = self.finalize(tx, tx_format)
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return tx
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@classmethod
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def parse_symbol(self, v):
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return abi_decode_single(ABIContractType.STRING, v)
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@classmethod
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def parse_name(self, v):
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return abi_decode_single(ABIContractType.STRING, v)
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@classmethod
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def parse_decimals(self, v):
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return abi_decode_single(ABIContractType.UINT256, v)
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@classmethod
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def parse_balance(self, v):
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return abi_decode_single(ABIContractType.UINT256, v)
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@classmethod
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def parse_transfer_request(self, v):
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v = strip_0x(v)
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cursor = 0
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enc = ABIContractEncoder()
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enc.method('transfer')
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.UINT256)
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r = enc.get()
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l = len(r)
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m = v[:l]
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if m != r:
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logg.error('method mismatch, expected {}, got {}'.format(r, m))
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raise RequestMismatchException(v)
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cursor += l
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dec = ABIContractDecoder()
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dec.typ(ABIContractType.ADDRESS)
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dec.typ(ABIContractType.UINT256)
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dec.val(v[cursor:cursor+64])
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cursor += 64
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dec.val(v[cursor:cursor+64])
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r = dec.decode()
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return r
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@classmethod
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def parse_transfer_from_request(self, v):
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v = strip_0x(v)
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cursor = 0
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enc = ABIContractEncoder()
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enc.method('transferFrom')
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.UINT256)
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r = enc.get()
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l = len(r)
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m = v[:l]
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if m != r:
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logg.error('method mismatch, expected {}, got {}'.format(r, m))
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raise RequestMismatchException(v)
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cursor += l
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dec = ABIContractDecoder()
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dec.typ(ABIContractType.ADDRESS)
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dec.typ(ABIContractType.ADDRESS)
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dec.typ(ABIContractType.UINT256)
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dec.val(v[cursor:cursor+64])
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cursor += 64
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dec.val(v[cursor:cursor+64])
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cursor += 64
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dec.val(v[cursor:cursor+64])
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r = dec.decode()
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return r
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@classmethod
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def parse_approve_request(self, v):
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v = strip_0x(v)
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cursor = 0
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enc = ABIContractEncoder()
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enc.method('approve')
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.UINT256)
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r = enc.get()
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l = len(r)
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m = v[:l]
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if m != r:
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logg.error('method mismatch, expected {}, got {}'.format(r, m))
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raise RequestMismatchException(v)
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cursor += l
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dec = ABIContractDecoder()
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dec.typ(ABIContractType.ADDRESS)
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dec.typ(ABIContractType.UINT256)
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dec.val(v[cursor:cursor+64])
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cursor += 64
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dec.val(v[cursor:cursor+64])
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r = dec.decode()
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return r
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@ -30,7 +30,6 @@ from chainlib.jsonrpc import (
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jsonrpc_template,
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jsonrpc_result,
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)
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from chainlib.eth.erc20 import ERC20
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from chainlib.eth.connection import EthHTTPConnection
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from chainlib.eth.gas import (
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OverrideGasOracle,
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@ -46,7 +45,6 @@ default_eth_provider = os.environ.get('ETH_PROVIDER', 'http://localhost:8545')
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argparser = argparse.ArgumentParser()
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argparser.add_argument('-p', '--provider', dest='p', default=default_eth_provider, type=str, help='Web3 provider url (http only)')
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argparser.add_argument('-a', '--token-address', dest='a', type=str, help='Token address. If not set, will return gas balance')
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argparser.add_argument('-i', '--chain-spec', dest='i', type=str, default='evm:ethereum:1', help='Chain specification string')
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argparser.add_argument('-u', '--unsafe', dest='u', action='store_true', help='Auto-convert address to checksum adddress')
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argparser.add_argument('-v', action='store_true', help='Be verbose')
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@ -67,29 +65,12 @@ address = to_checksum(args.address)
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if not args.u and address != add_0x(args.address):
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raise ValueError('invalid checksum address')
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token_symbol = 'eth'
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chain_spec = ChainSpec.from_chain_str(args.i)
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def main():
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r = None
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decimals = 18
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if args.a != None:
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#g = ERC20(gas_oracle=gas_oracle)
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g = ERC20(chain_spec=chain_spec)
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# determine decimals
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decimals_o = g.decimals(args.a)
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r = conn.do(decimals_o)
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decimals = int(strip_0x(r), 16)
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symbol_o = g.symbol(args.a)
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r = conn.do(decimals_o)
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token_symbol = r
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# get balance
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balance_o = g.balance(args.a, address)
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r = conn.do(balance_o)
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else:
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o = balance(address)
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r = conn.do(o)
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@ -1,162 +0,0 @@
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#!python3
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"""Token transfer script
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.. moduleauthor:: Louis Holbrook <dev@holbrook.no>
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.. pgp:: 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
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"""
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# SPDX-License-Identifier: GPL-3.0-or-later
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# standard imports
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import os
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import io
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import json
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import argparse
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import logging
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# third-party imports
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from crypto_dev_signer.eth.signer import ReferenceSigner as EIP155Signer
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from crypto_dev_signer.keystore.dict import DictKeystore
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from hexathon import (
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add_0x,
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strip_0x,
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)
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# local imports
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from chainlib.eth.connection import EthHTTPConnection
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from chainlib.jsonrpc import jsonrpc_template
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from chainlib.eth.nonce import (
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RPCNonceOracle,
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OverrideNonceOracle,
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)
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from chainlib.eth.gas import (
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RPCGasOracle,
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OverrideGasOracle,
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)
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from chainlib.eth.erc20 import ERC20
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from chainlib.chain import ChainSpec
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from chainlib.eth.runnable.util import decode_for_puny_humans
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logging.basicConfig(level=logging.WARNING)
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logg = logging.getLogger()
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logging.getLogger('web3').setLevel(logging.WARNING)
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logging.getLogger('urllib3').setLevel(logging.WARNING)
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default_abi_dir = '/usr/local/share/cic/solidity/abi'
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argparser = argparse.ArgumentParser()
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argparser.add_argument('-p', '--provider', dest='p', default='http://localhost:8545', type=str, help='Web3 provider url (http only)')
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argparser.add_argument('-w', action='store_true', help='Wait for the last transaction to be confirmed')
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argparser.add_argument('-ww', action='store_true', help='Wait for every transaction to be confirmed')
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argparser.add_argument('-i', '--chain-spec', dest='i', type=str, default='evm:ethereum:1', help='Chain specification string')
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argparser.add_argument('-a', '--token-address', required='True', dest='a', type=str, help='Token address')
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argparser.add_argument('-y', '--key-file', dest='y', type=str, help='Ethereum keystore file to use for signing')
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argparser.add_argument('--env-prefix', default=os.environ.get('CONFINI_ENV_PREFIX'), dest='env_prefix', type=str, help='environment prefix for variables to overwrite configuration')
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argparser.add_argument('-u', '--unsafe', dest='u', action='store_true', help='Auto-convert address to checksum adddress')
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argparser.add_argument('-s', '--send', dest='s', action='store_true', help='Send to network')
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argparser.add_argument('--nonce', type=int, help='Override nonce')
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argparser.add_argument('--gas-price', dest='gas_price', type=int, help='Override gas price')
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argparser.add_argument('--gas-limit', dest='gas_limit', type=int, help='Override gas limit')
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argparser.add_argument('-v', action='store_true', help='Be verbose')
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argparser.add_argument('-vv', action='store_true', help='Be more verbose')
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argparser.add_argument('recipient', type=str, help='Recipient account address')
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argparser.add_argument('amount', type=int, help='Amount of tokens to mint and gift')
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args = argparser.parse_args()
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if args.vv:
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logg.setLevel(logging.DEBUG)
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elif args.v:
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logg.setLevel(logging.INFO)
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block_all = args.ww
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block_last = args.w or block_all
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passphrase_env = 'ETH_PASSPHRASE'
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if args.env_prefix != None:
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passphrase_env = args.env_prefix + '_' + passphrase_env
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passphrase = os.environ.get(passphrase_env)
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logg.error('pass {}'.format(passphrase_env))
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if passphrase == None:
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logg.warning('no passphrase given')
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passphrase=''
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signer_address = None
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keystore = DictKeystore()
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if args.y != None:
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logg.debug('loading keystore file {}'.format(args.y))
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signer_address = keystore.import_keystore_file(args.y, password=passphrase)
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logg.debug('now have key for signer address {}'.format(signer_address))
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signer = EIP155Signer(keystore)
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conn = EthHTTPConnection(args.p)
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nonce_oracle = None
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if args.nonce != None:
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nonce_oracle = OverrideNonceOracle(signer_address, args.nonce)
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else:
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nonce_oracle = RPCNonceOracle(signer_address, conn)
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def _max_gas(code=None):
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return 8000000
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gas_oracle = None
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if args.gas_price != None or args.gas_limit != None:
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gas_oracle = OverrideGasOracle(price=args.gas_price, limit=args.gas_limit)
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else:
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gas_oracle = RPCGasOracle(conn, code_callback=_max_gas)
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chain_spec = ChainSpec.from_chain_str(args.i)
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chain_id = chain_spec.network_id()
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value = args.amount
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send = args.s
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g = ERC20(chain_spec, signer=signer, gas_oracle=gas_oracle, nonce_oracle=nonce_oracle)
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def balance(token_address, address):
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o = g.balance(token_address, address)
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r = conn.do(o)
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hx = strip_0x(r)
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return int(hx, 16)
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def main():
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recipient = args.recipient
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if not args.u and recipient != add_0x(args.recipient):
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raise ValueError('invalid checksum address')
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if logg.isEnabledFor(logging.DEBUG):
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logg.debug('sender {} balance after: {}'.format(signer_address, balance(args.a, signer_address)))
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logg.debug('recipient {} balance after: {}'.format(recipient, balance(args.a, recipient)))
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(tx_hash_hex, o) = g.transfer(args.a, signer_address, recipient, value)
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if send:
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conn.do(o)
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if block_last:
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r = conn.wait(tx_hash_hex)
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if logg.isEnabledFor(logging.DEBUG):
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logg.debug('sender {} balance after: {}'.format(signer_address, balance(args.a, signer_address)))
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logg.debug('recipient {} balance after: {}'.format(recipient, balance(args.a, recipient)))
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if r['status'] == 0:
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logg.critical('VM revert. Wish I could tell you more')
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sys.exit(1)
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print(tx_hash_hex)
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else:
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if logg.isEnabledFor(logging.INFO):
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io_str = io.StringIO()
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decode_for_puny_humans(o['params'][0], chain_spec, io_str)
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||||
print(io_str.getvalue())
|
||||
else:
|
||||
print(o['params'][0])
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
@ -1,6 +1,6 @@
|
||||
[metadata]
|
||||
name = chainlib
|
||||
version = 0.0.2b1
|
||||
version = 0.0.3a1
|
||||
description = Generic blockchain access library and tooling
|
||||
author = Louis Holbrook
|
||||
author_email = dev@holbrook.no
|
||||
@ -38,7 +38,6 @@ console_scripts =
|
||||
eth-checksum = chainlib.eth.runnable.checksum:main
|
||||
eth-gas = chainlib.eth.runnable.gas:main
|
||||
eth-raw = chainlib.eth.runnable.raw:main
|
||||
eth-transfer = chainlib.eth.runnable.transfer:main
|
||||
eth-get = chainlib.eth.runnable.get:main
|
||||
eth-decode = chainlib.eth.runnable.decode:main
|
||||
eth-info = chainlib.eth.runnable.info:main
|
||||
|
||||
@ -1,25 +0,0 @@
|
||||
# standard imports
|
||||
import os
|
||||
|
||||
# external imports
|
||||
import pytest
|
||||
from crypto_dev_signer.keystore.dict import DictKeystore
|
||||
from crypto_dev_signer.eth.signer import ReferenceSigner as EIP155Signer
|
||||
|
||||
|
||||
@pytest.fixture(scope='session')
|
||||
def keystore():
|
||||
ks = DictKeystore()
|
||||
|
||||
pk = os.urandom(32)
|
||||
ks.import_raw_key(pk)
|
||||
return ks
|
||||
|
||||
|
||||
@pytest.fixture(scope='session')
|
||||
def signer(
|
||||
keystore,
|
||||
):
|
||||
|
||||
s = EIP155Signer(keystore)
|
||||
return s
|
||||
@ -1,74 +0,0 @@
|
||||
# standard imports
|
||||
import logging
|
||||
import os
|
||||
|
||||
# external imports
|
||||
from hexathon import (
|
||||
strip_0x,
|
||||
add_0x,
|
||||
)
|
||||
|
||||
# local imports
|
||||
from chainlib.eth.erc20 import ERC20
|
||||
from chainlib.eth.address import to_checksum_address
|
||||
from chainlib.eth.tx import (
|
||||
unpack,
|
||||
TxFormat,
|
||||
)
|
||||
from chainlib.eth.pytest import *
|
||||
|
||||
logg = logging.getLogger()
|
||||
|
||||
contract_address = to_checksum_address('0xdeadbeefdeadbeefdeadbeefdeadbeefdeadbeef')
|
||||
benefactor_address = to_checksum_address('0xefdeadbeefdeadbeefdeadbeefdeadbeefdeadbe')
|
||||
|
||||
|
||||
# TODO: use unittest instead
|
||||
def test_erc20_balance(
|
||||
default_chain_spec,
|
||||
):
|
||||
e = ERC20(default_chain_spec,)
|
||||
|
||||
holder_address = to_checksum_address('0xbeefdeadbeefdeadbeefdeadbeefdeadbeefdead')
|
||||
o = e.balance_of(contract_address, holder_address)
|
||||
assert len(o['params'][0]['data']) == 64 + 8 + 2
|
||||
assert o['params'][0]['data'][:10] == add_0x('70a08231')
|
||||
|
||||
|
||||
def test_erc20_decimals(
|
||||
default_chain_spec,
|
||||
):
|
||||
e = ERC20(default_chain_spec)
|
||||
|
||||
o = e.decimals(contract_address)
|
||||
assert o['params'][0]['data'] == add_0x('313ce567')
|
||||
|
||||
|
||||
def test_erc20_transfer(
|
||||
keystore,
|
||||
signer,
|
||||
default_chain_spec,
|
||||
):
|
||||
e = ERC20(default_chain_spec, signer=signer)
|
||||
|
||||
addresses = keystore.list()
|
||||
(tx_hash_hex, o) = e.transfer(contract_address, addresses[0], benefactor_address, 1024)
|
||||
|
||||
|
||||
def test_erc20_parse_transfer_request(
|
||||
keystore,
|
||||
signer,
|
||||
default_chain_spec,
|
||||
):
|
||||
|
||||
e = ERC20(default_chain_spec, signer=signer)
|
||||
|
||||
addresses = keystore.list()
|
||||
(tx_hash_hex, o) = e.transfer(contract_address, addresses[0], benefactor_address, 1024, tx_format=TxFormat.RLP_SIGNED)
|
||||
b = bytes.fromhex(strip_0x(o))
|
||||
|
||||
#chain_spec = ChainSpec('evm', 'foo', 1, 'bar')
|
||||
tx = unpack(b, default_chain_spec)
|
||||
r = ERC20.parse_transfer_request(tx['data'])
|
||||
assert r[0] == benefactor_address
|
||||
assert r[1] == 1024
|
||||
@ -73,10 +73,6 @@ class Mocket(socket.socket):
|
||||
else:
|
||||
tx = Mocket.tx
|
||||
r = Mocket.signer.sign_transaction_to_rlp(tx)
|
||||
#mock_sig = os.urandom(64)
|
||||
#tx.r = mock_sig[:32]
|
||||
#tx.s = mock_sig[32:]
|
||||
#r = add_0x(tx.rlp_serialize().hex())
|
||||
Mocket.tx = None
|
||||
o = jsonrpc_response(Mocket.req_id, add_0x(r.hex()))
|
||||
Mocket.req_id = None
|
||||
|
||||
Loading…
Reference in New Issue
Block a user