def __parse_and_validate_instruction(
instruction: TransactionInstruction,
expected_keys: int,
expected_type: InstructionType,
) -> Any: # Returns a Construct container.
validate_instruction_keys(instruction, expected_keys)
data = INSTRUCTIONS_LAYOUT.parse(instruction.data)
validate_instruction_type(data, expected_type)
return data
solana_client = Client("https://devnet.solana.com")
address = ""
transactions = solana_client.get_confirmed_signature_for_address2(address)["result"]
for tx in transactions:
tx_result = solana_client.get_confirmed_transaction(tx_sig=tx["signature"], encoding="base64")
raw_tx_str = tx_result['result']['transaction'][0]
raw_tx_base64_bytes = raw_tx_str.encode('ascii')
raw_tx_bytes = base64.b64decode(raw_tx_base64_bytes)
des_tx: Transaction = Transaction.deserialize(raw_tx_bytes)
tx_instruction: TransactionInstruction = des_tx.instructions.pop()
# program id will be a bunch of ones if it's a transaction involving SOL
if tx_instruction.program_id.__str__() == "11111111111111111111111111111111":
if SYSTEM_INSTRUCTIONS_LAYOUT.parse(tx_instruction.data).instruction_type == SOLInstructionType.Transfer:
transfer_params: SOLTransferParams = sol_decode_transfer(tx_instruction)
print(tx["slot"]) # blockheight
print(f'from:{transfer_params.from_pubkey}') # from
print(f'to:{transfer_params.to_pubkey}') # to
print(f'amount:{transfer_params.lamports * .000000001}') # amount
# program id will be Token... if it's a transaction involving tokens
if tx_instruction.program_id.__str__() == "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA":
if INSTRUCTIONS_LAYOUT.parse(tx_instruction.data).instruction_type == SPLInstructionType.Transfer:
transfer_params: SPLTransferParams = spl_decode_transfer(tx_instruction)
print(tx["slot"]) # blockheight
print(f'from:{transfer_params.source}') # from
print(f'to:{transfer_params.dest}') # to
print(f'token:{None}') # TODO token
print(f'amount:{transfer_params.amount *.000001}') # amount