ValuationMulticallWrapper

Documentation for eth_defi.vault.valuation.ValuationMulticallWrapper Python class.

class ValuationMulticallWrapper

Bases: eth_defi.event_reader.multicall_batcher.MulticallWrapper

Wrap a valuation quoter call with diagnostics data for multicall batching.

Attributes summary

quoter
route
amount_in
call
contract_address
debug

Methods summary

__init__(call, debug, quoter, route, amount_in)
get_address_and_data()
get_human_args()	Get Solidity args as human readable string for debugging.
get_human_id()
get_key()	Get key that will identify this call in the result dictionary
handle(success, raw_return_value)	Parse the call result.
multicall_callback(succeed, raw_return_value)	Convert the raw Solidity function call result to a denominated token amount.

__init__(call, debug, quoter, route, amount_in)

Parameters

• call (web3.contract.contract.ContractFunction) –

• debug (bool) –

• quoter (eth_defi.vault.valuation.ValuationQuoter) –

• route (eth_defi.vault.valuation.Route) –

• amount_in (int) –

Return type

None

get_human_args()

Get Solidity args as human readable string for debugging.

Return type

str

get_key()

Get key that will identify this call in the result dictionary

Return type

Hashable

handle(success, raw_return_value)

Parse the call result.

Parameters

• succeed – Did we revert or not

• raw_return_value (bytes) – Undecoded bytes from the Solidity function call

Returns

The value placed in the return dict

Return type

Optional[decimal.Decimal]

multicall_callback(succeed, raw_return_value)

Convert the raw Solidity function call result to a denominated token amount.

• Multicall library callback

Returns

The token amount in the reserve currency we get on the market sell.

None if this path was not supported (Solidity reverted).

Parameters

• succeed (bool) –

• raw_return_value (Any) –

Return type

Any