DecryptedTransferLog

Decoded SRC20 Transfer event with decrypted amount

Frozen dataclass representing a decoded SRC20 Transfer event with decrypted amount.

Solidity Event

event Transfer(
    address indexed from,
    address indexed to,
    bytes32 indexed encryptKeyHash,
    bytes encryptedAmount
)

Definition

@dataclass(frozen=True)
class DecryptedTransferLog:
    from_address: ChecksumAddress
    to_address: ChecksumAddress
    encrypt_key_hash: bytes
    encrypted_amount: bytes
    decrypted_amount: int
    transaction_hash: HexBytes
    block_number: int

Fields

Field	Type	Description
from_address	ChecksumAddress	Sender address
to_address	ChecksumAddress	Recipient address
encrypt_key_hash	bytes	32-byte keccak256 of viewing key
encrypted_amount	bytes	Raw AES-GCM ciphertext
decrypted_amount	int	Decrypted token amount
transaction_hash	HexBytes	Transaction hash
block_number	int	Block number

Example

from seismic_web3.src20 import DecryptedTransferLog

def on_transfer(log: DecryptedTransferLog):
    print(f"Transfer from {log.from_address} to {log.to_address}: {log.decrypted_amount}")
    print(f"Block {log.block_number}, tx {log.transaction_hash.hex()}")

See Also

• DecryptedApprovalLog — Approval event data

• Event Watching — Watch and decrypt events