ERC4626Oracle
Inherits: AggregatorV2V3Interface
Title: ERC4626Oracle
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).
Constants
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;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;State Variables
description
The description for this oracle.
string public description;Functions
constructor
Constructor for the ERC4626Oracle.
constructor(IERC4626 _vault, uint8 _decimals);Parameters
| Name | Type | Description |
|---|---|---|
| _vault | IERC4626 | The ERC4626 vault. |
| _decimals | uint8 | The decimals to use for the price. |
getPrice
function getPrice() public view returns (uint256);Returns
| Name | Type | Description |
|---|---|---|
| <none> | uint256 |
latestAnswer
function latestAnswer() external view override returns (int256);Returns
| Name | Type | Description |
|---|---|---|
| <none> | int256 |
latestTimestamp
function latestTimestamp() external view override returns (uint256);Returns
| Name | Type | Description |
|---|---|---|
| <none> | uint256 |
latestRound
function latestRound() external pure override returns (uint256);Returns
| Name | Type | Description |
|---|---|---|
| <none> | uint256 |
getAnswer
function getAnswer(uint256) external view override returns (int256);Parameters
| Name | Type | Description |
|---|---|---|
| _ | uint256 |
Returns
| Name | Type | Description |
|---|---|---|
| <none> | int256 |
getTimestamp
function getTimestamp(uint256) external view override returns (uint256);Parameters
| Name | Type | Description |
|---|---|---|
| _ | uint256 |
Returns
| Name | Type | Description |
|---|---|---|
| <none> | uint256 |
getRoundData
function getRoundData(uint80)
external
view
override
returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);Parameters
| Name | Type | Description |
|---|---|---|
| _ | uint80 |
Returns
| Name | Type | Description |
|---|---|---|
| roundId | uint80 | |
| answer | int256 | |
| startedAt | uint256 | |
| updatedAt | uint256 | |
| answeredInRound | uint80 |
latestRoundData
function latestRoundData()
external
view
override
returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);Returns
| Name | Type | Description |
|---|---|---|
| roundId | uint80 | |
| answer | int256 | |
| startedAt | uint256 | |
| updatedAt | uint256 | |
| answeredInRound | uint80 |
_latestRoundData
function _latestRoundData()
internal
view
returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);Returns
| Name | Type | Description |
|---|---|---|
| roundId | uint80 | |
| answer | int256 | |
| startedAt | uint256 | |
| updatedAt | uint256 | |
| answeredInRound | uint80 |