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feat(doc): match new FTSO script in hardhat-starter
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5 files changed

+134
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‎examples/developer-hub-javascript/deployFTSO.ts‎

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This file was deleted.

‎examples/developer-hub-javascript/deployFTSOConsumer.ts‎

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import { ethers, run } from "hardhat";
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import { FtsoV2ConsumerContract } from "../typechain-types";
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const FtsoV2Consumer = artifacts.require("FtsoV2Consumer");
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async function verifyContract(address: string) {
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console.log("\nVerifying contract...");
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try {
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await run("verify:verify", { address });
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console.log("Contract verified successfully");
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} catch (error) {
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console.error("Error verifying contract:", error);
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}
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}
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async function callGetFlrUsdPrice(ftsoV2Consumer: FtsoV2ConsumerContract) {
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console.log("\nCalling getFlrUsdPrice...");
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try {
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const result = await ftsoV2Consumer.getFlrUsdPrice();
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console.log("FLR/USD Price Data:");
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console.log(" Price:", result[0].toString());
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console.log(" Decimals:", result[1].toString());
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console.log(
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" Timestamp:",
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new Date(result[2].toNumber() * 1000).toISOString(),
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);
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} catch (error) {
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console.error("Error calling getFlrUsdPrice:", error);
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}
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}
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async function callGetFlrUsdPriceWei(ftsoV2Consumer: FtsoV2ConsumerContract) {
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console.log("\nCalling getFlrUsdPriceWei...");
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try {
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const resultWei = await ftsoV2Consumer.getFlrUsdPriceWei();
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console.log("FLR/USD Price Data (Wei):");
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console.log(" Price (Wei):", resultWei[0].toString());
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console.log(
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" Timestamp:",
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new Date(resultWei[1].toNumber() * 1000).toISOString(),
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);
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} catch (error) {
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console.error("Error calling getFlrUsdPriceWei:", error);
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}
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}
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async function callFtsoV2CurrentFeedValues(
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ftsoV2Consumer: FtsoV2ConsumerContract,
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) {
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console.log("\nCalling getFtsoV2CurrentFeedValues...");
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try {
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const feedValuesResult = await ftsoV2Consumer.getFtsoV2CurrentFeedValues();
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console.log("Current Feed Values (FLR/USD, BTC/USD, ETH/USD):");
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const feedIds = ["FLR/USD", "BTC/USD", "ETH/USD"]; // Match order in contract
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for (let i = 0; i < feedValuesResult[0].length; i++) {
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console.log(` Feed ${feedIds[i]}:`);
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console.log(` Price: ${feedValuesResult[0][i].toString()}`);
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console.log(` Decimals: ${feedValuesResult[1][i].toString()}`);
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}
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console.log(
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` Timestamp: ${new Date(feedValuesResult[2].toNumber() * 1000).toISOString()}`,
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);
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} catch (error) {
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console.error("Error calling getFtsoV2CurrentFeedValues:", error);
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}
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}
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async function callContractFunctions(ftsoV2Consumer: FtsoV2ConsumerContract) {
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await callGetFlrUsdPrice(ftsoV2Consumer);
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await callGetFlrUsdPriceWei(ftsoV2Consumer);
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await callFtsoV2CurrentFeedValues(ftsoV2Consumer);
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}
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// --- Main Deployment Script ---
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async function main() {
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const [deployer] = await ethers.getSigners();
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console.log("Deploying contracts with the account:", deployer.address);
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// Deploy FtsoV2Consumer
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const ftsoV2Consumer: FtsoV2ConsumerContract = await FtsoV2Consumer.new(
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"0x01464c522f55534400000000000000000000000000", // Deploying contract with FLR Feed (see more feeds here: https://dev.flare.network/ftso/feeds)
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);
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await ftsoV2Consumer.deployed();
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console.log("FtsoV2Consumer deployed to:", ftsoV2Consumer.address);
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// Verify the contract
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await verifyContract(ftsoV2Consumer.address);
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// Call the contract functions
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await callContractFunctions(ftsoV2Consumer);
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console.log("\nDeployment and calling script finished.");
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}
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main()
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.then(() => process.exit(0))
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.catch((error) => {
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console.error("Unhandled error in main execution:", error);
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process.exit(1);
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});

‎examples/developer-hub-solidity/FTSOV2Consumer_hardhat.sol‎

Lines changed: 11 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -1,12 +1,13 @@
11
// SPDX-License-Identifier: MIT
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pragma solidity >=0.8.0 <0.9.0;
33

4-
import { TestFtsoV2Interface } from "@flarenetwork/flare-periphery-contracts/coston2/TestFtsoV2Interface.sol";
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import { ContractRegistry } from "@flarenetwork/flare-periphery-contracts/coston2/ContractRegistry.sol";
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import { IFeeCalculator } from "@flarenetwork/flare-periphery-contracts/coston2/IFeeCalculator.sol";
4+
import {TestFtsoV2Interface} from "@flarenetwork/flare-periphery-contracts/coston2/TestFtsoV2Interface.sol";
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import {ContractRegistry} from "@flarenetwork/flare-periphery-contracts/coston2/ContractRegistry.sol";
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import {IFeeCalculator} from "@flarenetwork/flare-periphery-contracts/coston2/IFeeCalculator.sol";
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contract FtsoV2Consumer {
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bytes21 public constant flrUsdId = 0x01464c522f55534400000000000000000000000000; // "FLR/USD"
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bytes21 public constant flrUsdId =
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0x01464c522f55534400000000000000000000000000; // "FLR/USD"
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// Feed IDs, see https://dev.flare.network/ftso/feeds for full list
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bytes21[] public feedIds = [
@@ -30,11 +31,15 @@ contract FtsoV2Consumer {
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function getFtsoV2CurrentFeedValues()
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external
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view
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returns (uint256[] memory _feedValues, int8[] memory _decimals, uint64 _timestamp)
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returns (
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uint256[] memory _feedValues,
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int8[] memory _decimals,
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uint64 _timestamp
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)
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{
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/* THIS IS A TEST METHOD, in production use: ftsoV2 = ContractRegistry.getFtsoV2(); */
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TestFtsoV2Interface ftsoV2 = ContractRegistry.getTestFtsoV2();
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/* Your custom feed consumption logic. In this example the values are just returned. */
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return ftsoV2.getFeedsById(feedIds);
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}
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}
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}

‎examples/developer-hub-solidity/FtsoV2Consumer.sol‎

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// SPDX-License-Identifier: MIT
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pragma solidity >=0.8.0 <0.9.0;
33

4-
import { TestFtsoV2Interface } from "@flarenetwork/flare-periphery-contracts/coston2/TestFtsoV2Interface.sol";
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import { ContractRegistry } from "@flarenetwork/flare-periphery-contracts/coston2/ContractRegistry.sol";
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import { IFeeCalculator } from "@flarenetwork/flare-periphery-contracts/coston2/IFeeCalculator.sol";
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import {TestFtsoV2Interface} from "@flarenetwork/flare-periphery-contracts/coston2/TestFtsoV2Interface.sol";
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import {ContractRegistry} from "@flarenetwork/flare-periphery-contracts/coston2/ContractRegistry.sol";
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import {IFeeCalculator} from "@flarenetwork/flare-periphery-contracts/coston2/IFeeCalculator.sol";
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contract FtsoV2Consumer {
9-
bytes21 public constant flrUsdId = 0x01464c522f55534400000000000000000000000000; // "FLR/USD"
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bytes21 public constant flrUsdId =
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0x01464c522f55534400000000000000000000000000; // "FLR/USD"
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// Feed IDs, see https://dev.flare.network/ftso/feeds for full list
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bytes21[] public feedIds = [
@@ -30,7 +31,11 @@ contract FtsoV2Consumer {
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function getFtsoV2CurrentFeedValues()
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external
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view
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returns (uint256[] memory _feedValues, int8[] memory _decimals, uint64 _timestamp)
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returns (
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uint256[] memory _feedValues,
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int8[] memory _decimals,
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uint64 _timestamp
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)
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{
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/* THIS IS A TEST METHOD, in production use: ftsoV2 = ContractRegistry.getFtsoV2(); */
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TestFtsoV2Interface ftsoV2 = ContractRegistry.getTestFtsoV2();

‎examples/developer-hub-solidity/FtsoV2FeedConsumer_foundry.sol‎

Lines changed: 11 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -1,12 +1,13 @@
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// SPDX-License-Identifier: MIT
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pragma solidity >=0.8.0 <0.9.0;
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4-
import { TestFtsoV2Interface } from "@flarenetwork/flare-periphery-contracts/coston2/TestFtsoV2Interface.sol";
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import { ContractRegistry } from "@flarenetwork/flare-periphery-contracts/coston2/ContractRegistry.sol";
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import { IFeeCalculator } from "@flarenetwork/flare-periphery-contracts/coston2/IFeeCalculator.sol";
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import {TestFtsoV2Interface} from "@flarenetwork/flare-periphery-contracts/coston2/TestFtsoV2Interface.sol";
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import {ContractRegistry} from "@flarenetwork/flare-periphery-contracts/coston2/ContractRegistry.sol";
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import {IFeeCalculator} from "@flarenetwork/flare-periphery-contracts/coston2/IFeeCalculator.sol";
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contract FtsoV2Consumer {
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bytes21 public constant flrUsdId = 0x01464c522f55534400000000000000000000000000; // "FLR/USD"
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bytes21 public constant flrUsdId =
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0x01464c522f55534400000000000000000000000000; // "FLR/USD"
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// Feed IDs, see https://dev.flare.network/ftso/feeds for full list
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bytes21[] public feedIds = [
@@ -30,11 +31,15 @@ contract FtsoV2Consumer {
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function getFtsoV2CurrentFeedValues()
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external
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view
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returns (uint256[] memory _feedValues, int8[] memory _decimals, uint64 _timestamp)
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returns (
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uint256[] memory _feedValues,
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int8[] memory _decimals,
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uint64 _timestamp
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)
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{
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/* THIS IS A TEST METHOD, in production use: ftsoV2 = ContractRegistry.getFtsoV2(); */
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TestFtsoV2Interface ftsoV2 = ContractRegistry.getTestFtsoV2();
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/* Your custom feed consumption logic. In this example the values are just returned. */
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return ftsoV2.getFeedsById(feedIds);
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}
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}
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}

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