chainlink oracle

Author: web3rover

oracle/BinanceOracle.md

@@ -2,7 +2,7 @@
 
 ## Introduction
 
-This oracle fetchs prices of assets from Binance on-chain oracle.
+This oracle fetchs prices of assets from Binance oracle.
 
 ## Solidity APIs
 

oracle/ChainlinkOracle.md

@@ -0,0 +1,94 @@
+# Chainlink Oracle
+
+## Introduction
+
+This oracle fetchs prices of assets from Chainlink oracle.
+
+## Solidity API
+
+### initialize
+
+```solidity
+function initialize() public
+```
+
+Initializes the owner of the contract
+
+### getUnderlyingPrice
+
+```solidity
+function getUnderlyingPrice(address vToken) public view returns (uint256)
+```
+
+Get the Chainlink price of underlying asset of input vToken, revert when vToken is zero address
+
+#### Parameters
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| vToken | address | vToken address |
+
+#### Return Values
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| [0] | uint256 | price in USD |
+
+
+### setUnderlyingPrice
+
+```solidity
+function setUnderlyingPrice(contract VBep20Interface vToken, uint256 underlyingPriceMantissa) external
+```
+
+Set the forced prices of the underlying token of input vToken
+
+#### Parameters
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| vToken | contract VBep20Interface | vToken address |
+| underlyingPriceMantissa | uint256 | price in 18 decimals |
+
+### setDirectPrice
+
+```solidity
+function setDirectPrice(address asset, uint256 price) external
+```
+
+Set the forced prices of the input token
+
+#### Parameters
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| asset | address | asset address |
+| price | uint256 | price in 18 decimals |
+
+### setTokenConfigs
+
+```solidity
+function setTokenConfigs(struct TokenConfig[] tokenConfigs_) external
+```
+
+Add multiple token configs at the same time
+
+#### Parameters
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| tokenConfigs_ | struct TokenConfig[] | config array |
+
+### setTokenConfig
+
+```solidity
+function setTokenConfig(struct TokenConfig tokenConfig) public
+```
+
+Add single token config, vToken & feed cannot be zero address, and maxStalePeriod must be positive
+
+#### Parameters
+
+| Name | Type | Description |
+| ---- | ---- | ----------- |
+| tokenConfig | struct TokenConfig | token config struct |