VaultHistoricalReader

Documentation for eth_defi.vault.base.VaultHistoricalReader Python class.

class VaultHistoricalReader

Bases: abc.ABC

Support reading historical vault share prices.

• Allows to construct historical returns

Attributes summary

address
first_block

Methods summary

__init__(vault)
construct_multicalls()	Create smart contract calls needed to read the historical state of this vault.
process_result(block_number, timestamp, ...)	Process the result of mult

__init__(vault)

Parameters

vault (eth_defi.vault.base.VaultBase) –

abstract construct_multicalls()

Create smart contract calls needed to read the historical state of this vault.

• Multicall machinery will call these calls at a specific block and report back to process_result()

Return type

Iterable[eth_defi.event_reader.multicall_batcher.EncodedCall]

abstract process_result(block_number, timestamp, call_results)

Process the result of mult

• Calls are created in construct_multicalls()

• This method combines result of this calls to a easy to manage historical record VaultHistoricalRead

Parameters

• block_number (int) –

• timestamp (datetime.datetime) –

• call_results (list[eth_defi.event_reader.multicall_batcher.EncodedCallResult]) –

Return type

eth_defi.vault.base.VaultHistoricalRead