-
Notifications
You must be signed in to change notification settings - Fork 0
/
Price_feed.sol
57 lines (52 loc) · 1.94 KB
/
Price_feed.sol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;
import "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";
contract MultiDataConsumerV3 {
AggregatorV3Interface internal btcUsdFeed;
AggregatorV3Interface internal daiUsdFeed;
AggregatorV3Interface internal ethUsdFeed;
AggregatorV3Interface internal linkUsdFeed;
AggregatorV3Interface internal linkEthFeed;
AggregatorV3Interface internal usdcUsdFeed;
AggregatorV3Interface internal btcEthFeed;
constructor() {
btcUsdFeed = AggregatorV3Interface(
0x1b44F3514812d835EB1BDB0acB33d3fA3351Ee43
);
daiUsdFeed = AggregatorV3Interface(
0x14866185B1962B63C3Ea9E03Bc1da838bab34C19
);
ethUsdFeed = AggregatorV3Interface(
0x694AA1769357215DE4FAC081bf1f309aDC325306
);
linkUsdFeed = AggregatorV3Interface(
0xc59E3633BAAC79493d908e63626716e204A45EdF
);
linkEthFeed = AggregatorV3Interface(
0x42585eD362B3f1BCa95c640FdFf35Ef899212734
);
usdcUsdFeed = AggregatorV3Interface(
0xA2F78ab2355fe2f984D808B5CeE7FD0A93D5270E
);
btcEthFeed = AggregatorV3Interface(
0x5fb1616F78dA7aFC9FF79e0371741a747D2a7F22
);
}
function getLatestAnswers() public view returns (int[] memory) {
int[] memory answers = new int[](7);
answers[0] = getLatestAnswer(btcUsdFeed);
answers[1] = getLatestAnswer(daiUsdFeed);
answers[2] = getLatestAnswer(ethUsdFeed);
answers[3] = getLatestAnswer(linkUsdFeed);
answers[4] = getLatestAnswer(linkEthFeed);
answers[5] = getLatestAnswer(usdcUsdFeed);
answers[6] = getLatestAnswer(btcEthFeed);
return answers;
}
function getLatestAnswer(
AggregatorV3Interface feed
) internal view returns (int) {
(, int answer, , , ) = feed.latestRoundData();
return answer;
}
}