mirror of
git://holbrook.no/eth-address-index
synced 2024-07-04 06:08:31 +02:00
140 lines
4.4 KiB
Python
140 lines
4.4 KiB
Python
# standard imports
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import logging
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import json
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import os
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# external imports
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from hexathon import (
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strip_0x,
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add_0x,
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)
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from chainlib.eth.tx import (
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TxFormat,
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TxFactory,
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)
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from chainlib.eth.contract import (
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ABIContractEncoder,
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ABIContractType,
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abi_decode_single,
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)
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from chainlib.jsonrpc import JSONRPCRequest
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from chainlib.eth.constant import ZERO_ADDRESS
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logg = logging.getLogger(__name__)
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class Declarator(TxFactory):
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def add_declaration(self, contract_address, sender_address, subject_address, proof, tx_format=TxFormat.JSONRPC):
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enc = ABIContractEncoder()
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enc.method('addDeclaration')
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.BYTES32)
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enc.address(subject_address)
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enc.bytes32(proof)
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data = 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 declarator_count(self, contract_address, subject_address, sender_address=ZERO_ADDRESS, id_generator=None):
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j = JSONRPCRequest(id_generator)
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o = j.template()
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o['method'] = 'eth_call'
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enc = ABIContractEncoder()
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enc.method('declaratorCount')
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enc.typ(ABIContractType.ADDRESS)
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enc.address(subject_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 = j.finalize(o)
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return o
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def declaration(self, contract_address, declarator_address, subject_address, sender_address=ZERO_ADDRESS, id_generator=None):
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j = JSONRPCRequest(id_generator)
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o = j.template()
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o['method'] = 'eth_call'
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enc = ABIContractEncoder()
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enc.method('declaration')
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.ADDRESS)
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enc.address(declarator_address)
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enc.address(subject_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 = j.finalize(o)
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return o
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def declaration_address_at(self, contract_address, declarator_address, idx, sender_address=ZERO_ADDRESS, id_generator=None):
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j = JSONRPCRequest(id_generator)
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o = j.template()
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o['method'] = 'eth_call'
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enc = ABIContractEncoder()
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enc.method('declarationAddressAt')
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.UINT256)
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enc.address(declarator_address)
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enc.uint256(idx)
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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 = j.finalize(o)
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return o
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def declarator_address_at(self, contract_address, subject_address, idx, sender_address=ZERO_ADDRESS, id_generator=None):
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j = JSONRPCRequest(id_generator)
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o = j.template()
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o['method'] = 'eth_call'
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enc = ABIContractEncoder()
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enc.method('declaratorAddressAt')
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enc.typ(ABIContractType.ADDRESS)
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enc.typ(ABIContractType.UINT256)
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enc.address(subject_address)
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enc.uint256(idx)
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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 = j.finalize(o)
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return o
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@classmethod
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def parse_declarator_count(self, v):
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return abi_decode_single(ABIContractType.UINT256, v)
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@classmethod
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def parse_declaration(self, v):
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cursor = 0
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v = strip_0x(v)
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position = int.from_bytes(bytes.fromhex(v[cursor:cursor+64]), 'big')
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cursor += (position * 2)
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length = int.from_bytes(bytes.fromhex(v[cursor:cursor+64]), 'big')
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cursor += 64
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r = []
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for i in range(length):
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r.append(v[cursor:cursor+64])
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cursor += 64
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return r
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@classmethod
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def parse_declaration_address_at(self, v):
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return abi_decode_single(ABIContractType.ADDRESS, v)
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@classmethod
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def parse_declarator_address_at(self, v):
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return abi_decode_single(ABIContractType.ADDRESS, v)
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