decode_signed_transaction

Documentation for eth_defi.tx.decode_signed_transaction function.

decode_signed_transaction(raw_bytes)

Decode already signed transaction.

Reverse raw transaction bytes back to dictionary form, so you can access its data field and other parameters.

The function supports:

• Legacy transactions

• EIP-2718, EIP-2930 transactions introduced in Berlin hard fork.

• See TypedTransaction source

  for more documentation.

• EIP-2718 spec

• EIP-2930 spec

Example:

signed_tx = hot_wallet.sign_transaction_with_new_nonce(raw_tx)
signed_tx_bytes = signed_tx.rawTransaction
d = decode_signed_transaction(signed_tx_bytes)
assert d["chainId"] == 1337
assert d["nonce"] == 0
assert d["data"].hex().startswith("0xa9059cbb0")  # transfer() function selector

Parameters

raw_bytes (Union[bytes, str, hexbytes.main.HexBytes]) – A bunch of bytes in your favorite format.

Raises

DecodeFailure – If the tx bytes is something we do not know how to handle.

Returns

Dictionary like object containing data, v, r, s, nonce, value, gas, gasPrice. Some fields like chainId, accessList, maxPriorityFeePerGas depend on the transaction type.

Return type

dict