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ERC4626Oracle

Git Source

Inherits: AggregatorV2V3Interface

SPDX-License-Identifier: MIT

Chainlink-like price oracle wrapping ERC4626 vaults. This oracle exposes the price of one share of the vault it wraps in terms of its underlying asset (the exchange rate).

State Variables​

version​

The implementation version of this contract.

uint256 public immutable version = 1;

vault​

The ERC4626 vault.

IERC4626 public immutable vault;

underlying​

The underlying asset of the vault.

IERC20Metadata public immutable underlying;

decimals​

The number of decimals of the price returned by this oracle.

uint8 public immutable decimals;

description​

The description for this oracle.

string public description;

ONE_SHARE​

One unit of the ERC4626 vault.

uint256 public immutable ONE_SHARE;

SCALING_NUMERATOR​

Scaling factor numerator used to adjust price to the desired decimals.

uint256 public immutable SCALING_NUMERATOR;

Functions​

constructor​

Creates a new ERC4626Wrapper for a given ERC4626 vault.

constructor(IERC4626 _vault, uint8 _decimals);

Parameters

NameTypeDescription
_vaultIERC4626The ERC4626 vault.
_decimalsuint8The decimals to use for the price.

getPrice​

function getPrice() public view returns (uint256);

latestAnswer​

function latestAnswer() external view override returns (int256);

latestTimestamp​

function latestTimestamp() external view override returns (uint256);

latestRound​

function latestRound() external pure override returns (uint256);

getAnswer​

function getAnswer(uint256) external view override returns (int256);

getTimestamp​

function getTimestamp(uint256) external view override returns (uint256);

getRoundData​

function getRoundData(uint80)
    external
    view
    override
    returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);

latestRoundData​

function latestRoundData()
    external
    view
    override
    returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);

_latestRoundData​

function _latestRoundData()
    internal
    view
    returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);