fetch_updated_price_feed

Documentation for eth_defi.enzyme.price_feed.fetch_updated_price_feed function.

fetch_updated_price_feed(deployment, start_block, end_block, read_events)

Iterate configured price feeds.

• Deal dynamic price feed adds and deletes

• Uses eth_getLogs ABI

• Read both deposits and withdrawals in one go

• Serial read

• Slow over long block ranges

• See ComptrollerLib.sol

Returns

Token address -> primitive data map

Parameters

• deployment (eth_defi.enzyme.deployment.EnzymeDeployment) –

• start_block (int) –

• end_block (int) –

• read_events (eth_defi.event_reader.reader.Web3EventReader) –

Return type

Dict[eth_typing.evm.HexAddress, eth_defi.enzyme.price_feed.EnzymePriceFeed]