52 lines
1.4 KiB
Python
52 lines
1.4 KiB
Python
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# standard imports
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import os
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# external imports
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from crypto_dev_signer.keystore.dict import DictKeystore
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from crypto_dev_signer.eth.signer import ReferenceSigner as EIP155Signer
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from crypto_dev_signer.eth.transaction import EIP155Transaction
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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.chain import ChainSpec
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from chainlib.eth.tx import (
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unpack,
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Tx,
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)
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# eth transactions need an explicit chain parameter as part of their signature
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chain_spec = ChainSpec.from_chain_str('evm:ethereum:1')
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chain_id = chain_spec.chain_id()
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# create keystore and signer
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keystore = DictKeystore()
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signer = EIP155Signer(keystore)
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sender_address = keystore.new()
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recipient_address = keystore.new()
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# set up a transaction dict source
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tx_src = {
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'from': sender_address,
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'to': recipient_address,
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'gas': 21000,
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'gasPrice': 1000000000,
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'value': 1024,
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'data': '0xdeadbeef',
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}
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sender_nonce = 0
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tx = EIP155Transaction(tx_src, sender_nonce, chain_id)
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signature = signer.sign_transaction(tx)
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print('signature: {}'.format(signature.hex()))
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tx.apply_signature(chain_id, signature)
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print('tx with signature: {}'.format(tx.serialize()))
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tx_signed_raw_bytes = tx.rlp_serialize()
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tx_src = unpack(tx_signed_raw_bytes, chain_spec)
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tx_parsed = Tx(tx_src)
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print('parsed signed tx: {}'.format(tx_parsed.to_human()))
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