ERC7540DepositRequest

Documentation for eth_defi.erc_7540.deposit_redeem.ERC7540DepositRequest Python class.

class ERC7540DepositRequest

Bases: eth_defi.vault.deposit_redeem.DepositRequest

Asynchronous deposit request for ERC-7540 vaults.

Attributes summary

vault	Vault we are dealing with
owner	Owner of the shares
to	Receiver of underlying asset
amount	Human-readable shares
raw_amount	Raw amount of shares
funcs	Transactions we need to perform in order to open a redemption
gas	Set transaction gas limit
value	Attached ETH value to the tx
web3

Methods summary

__init__(vault, owner, to, amount, ...[, ...])
broadcast([from_, gas, check_value])	Broadcast all the transactions in this request.
parse_deposit_transaction(tx_hashes)	Parse one standard ERC-7540 deposit-request transaction.

parse_deposit_transaction(tx_hashes)

Parse one standard ERC-7540 deposit-request transaction.

The final receipt must contain exactly one standard DepositRequest event from which the request identifier is read.

Parameters

tx_hashes (list[hexbytes.main.HexBytes]) – Transaction hashes belonging to the request.

Returns

Parsed request ticket with its ERC-7540 request identifier.

Raises

CannotParseRedemptionTransaction – If the receipt does not contain exactly one DepositRequest event.

Return type

eth_defi.erc_7540.deposit_redeem.ERC7540DepositTicket

__init__(vault, owner, to, amount, raw_amount, funcs, gas=None, value=None)

Parameters

• vault (VaultBase) –

• owner (eth_typing.evm.HexAddress) –

• to (eth_typing.evm.HexAddress) –

• amount (decimal.Decimal) –

• raw_amount (int) –

• funcs (list[web3.contract.contract.ContractFunction]) –

• gas (Optional[int]) –

• value (Optional[decimal.Decimal]) –

Return type

None

broadcast(from_=None, gas=None, check_value=True)

Broadcast all the transactions in this request.

Parameters

• from – Address to send the transactions from

• gas (Optional[int]) – Gas limit to use for each transaction

• from_ (eth_typing.evm.HexAddress) –

Returns

List of transaction hashes

Raises

TransactionAssertionError – If any of the transactions revert

Return type

eth_defi.vault.deposit_redeem.RedemptionTicket