AaveOracle
AaveOracle
Contract to get asset prices, manage price sources and update the fallback oracle.
SparkLend uses Chainlink Aggregators as the source of all asset prices.
Methods
View
getAssetPrice
function getAssetPrice(address asset)
Returns the price of the supported asset in BASE_CURRENCY of SparkLend Market in wei.
Return Value
| Type | Description |
|---|---|
| uint256 | Price in BASE_CURRENCY of the Spark market in wei. |
getAssetsPrices
function getAssetsPrices(address[] calldata assets)
Returns the prices of the supported assets in BASE_CURRENCY of the Spark Market. All prices are in wei.
Call Params
| Name | Type | Description |
|---|---|---|
| assets | address[] | The addresses of the assets for which price is being queried. |
Return Value
| Type | Description |
|---|---|
| uint256[] | Prices in BASE_CURRENCY of the Spark market in wei. |
getSourceOfAsset
function getSourceOfAsset(address asset)
Returns the address of the price source for asset.
getFallbackOracle
function getFallbackOracle()
Returns the address of the fallback oracle.
Write
setAssetSources
function setAssetSources(address[] calldata assets, address[] calldata sources)
Sets the price source for given list of assets.
Call Params
| Name | Type | Description |
|---|---|---|
| assets | address[] | The addresses of the assets for which source is being set. |
| sources | address[] | The address of the source of each asset. Length of assets and sources array should be same. |
setFallbackOracle
function setFallbackOracle(address fallbackOracle)
Sets/updates the fallback oracle.
Call Params
| Name | Type | Description |
|---|---|---|
| fallbackOracle | address | The address of the fallback oracle. |
ABI
[
{
"inputs": [
{
"internalType": "contract IPoolAddressesProvider",
"name": "provider",
"type": "address"
},
{
"internalType": "address[]",
"name": "assets",
"type": "address[]"
},
{
"internalType": "address[]",
"name": "sources",
"type": "address[]"
},
{
"internalType": "address",
"name": "fallbackOracle",
"type": "address"
},
{
"internalType": "address",
"name": "baseCurrency",
"type": "address"
},
{
"internalType": "uint256",
"name": "baseCurrencyUnit",
"type": "uint256"
}
],
"stateMutability": "nonpayable",
"type": "constructor"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "asset",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "source",
"type": "address"
}
],
"name": "AssetSourceUpdated",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "baseCurrency",
"type": "address"
},
{
"indexed": false,
"internalType": "uint256",
"name": "baseCurrencyUnit",
"type": "uint256"
}
],
"name": "BaseCurrencySet",
"type": "event"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "fallbackOracle",
"type": "address"
}
],
"name": "FallbackOracleUpdated",
"type": "event"
},
{
"inputs": [],
"name": "ADDRESSES_PROVIDER",
"outputs": [
{
"internalType": "contract IPoolAddressesProvider",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "BASE_CURRENCY",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "BASE_CURRENCY_UNIT",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "asset",
"type": "address"
}
],
"name": "getAssetPrice",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address[]",
"name": "assets",
"type": "address[]"
}
],
"name": "getAssetsPrices",
"outputs": [
{
"internalType": "uint256[]",
"name": "",
"type": "uint256[]"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [],
"name": "getFallbackOracle",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "asset",
"type": "address"
}
],
"name": "getSourceOfAsset",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
},
{
"inputs": [
{
"internalType": "address[]",
"name": "assets",
"type": "address[]"
},
{
"internalType": "address[]",
"name": "sources",
"type": "address[]"
}
],
"name": "setAssetSources",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "fallbackOracle",
"type": "address"
}
],
"name": "setFallbackOracle",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
}
]