chore(pricefeeds) Add morpho Example

Author: aditya520

price_feeds/evm/morpho-pyth-oracle/.example.env

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+PRIVATE_KEY=
+RPC_URL=
+# https://www.pyth.network/developers/price-feed-ids
+PYTH_ADDRESS=
+# https://docs.pyth.network/price-feeds/price-feed-ids
+PRICE_FEED_ID=
+ETHERSCAN_API_KEY=

price_feeds/evm/morpho-pyth-oracle/.gitignore

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+# Compiler files
+cache/
+out/
+
+# Ignores development broadcast logs
+broadcast/
+
+# Docs
+docs/
+
+# Dotenv file
+.env
+
+lib/*
+!lib/README.md
+
+*~
+
+node_modules

price_feeds/evm/morpho-pyth-oracle/README.md

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+## Foundry
+
+**Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.**
+
+Foundry consists of:
+
+-   **Forge**: Ethereum testing framework (like Truffle, Hardhat and DappTools).
+-   **Cast**: Swiss army knife for interacting with EVM smart contracts, sending transactions and getting chain data.
+-   **Anvil**: Local Ethereum node, akin to Ganache, Hardhat Network.
+-   **Chisel**: Fast, utilitarian, and verbose solidity REPL.
+
+## Documentation
+
+https://book.getfoundry.sh/
+
+## Usage
+
+### Build
+
+```shell
+$ forge build
+```
+
+### Test
+
+```shell
+$ forge test
+```
+
+### Format
+
+```shell
+$ forge fmt
+```
+
+### Gas Snapshots
+
+```shell
+$ forge snapshot
+```
+
+### Anvil
+
+```shell
+$ anvil
+```
+
+### Deploy
+
+```shell
+$ forge script script/Counter.s.sol:CounterScript --rpc-url <your_rpc_url> --private-key <your_private_key>
+```
+
+### Cast
+
+```shell
+$ cast <subcommand>
+```
+
+### Help
+
+```shell
+$ forge --help
+$ anvil --help
+$ cast --help
+```

price_feeds/evm/morpho-pyth-oracle/foundry.toml

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+[profile.default]
+src = "src"
+out = "out"
+libs = ["lib"]
+
+# See more config options https://github.com/foundry-rs/foundry/blob/master/crates/config/README.md#all-options

price_feeds/evm/morpho-pyth-oracle/package-lock.json

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+{
+  "name": "morpho-pyth-oracle",
+  "version": "1.0.0",
+  "description": "**Foundry is a blazing fast, portable and modular toolkit for Ethereum application development written in Rust.**",
+  "main": "index.js",
+  "directories": {
+    "lib": "lib",
+    "test": "test"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "@pythnetwork/pyth-sdk-solidity": "^4.0.0"
+  }
+}

price_feeds/evm/morpho-pyth-oracle/package.json

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+@pythnetwork/pyth-sdk-solidity=node_modules/@pythnetwork/pyth-sdk-solidity

price_feeds/evm/morpho-pyth-oracle/remappings.txt

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+// SPDX-License-Identifier: Apache 2
+pragma solidity ^0.8.0;
+
+import "forge-std/Script.sol";
+import {PythAggregatorV3} from "@pythnetwork/pyth-sdk-solidity/PythAggregatorV3.sol";
+import "forge-std/console.sol";
+contract PythAggregatorV3Deployment is Script {
+    function run() external {
+        uint256 deployerPrivateKey = vm.envUint("PRIVATE_KEY");
+        vm.startBroadcast(deployerPrivateKey);
+
+        // Get the address for your ecosystem from:
+        // https://docs.pyth.network/price-feeds/contract-addresses/evm
+        address pythPriceFeedsContract = vm.envAddress("PYTH_ADDRESS");
+        // Get the price feed ids from:
+        // https://docs.pyth.network/price-feeds/price-feed-ids
+        bytes32 priceFeedId = vm.envBytes32("PRICE_FEED_ID");
+
+        // Deploy an instance of PythAggregatorV3 for every feed.
+        // You can deploy these contracts beforehand if you are integrating with
+        PythAggregatorV3 aggregator = new PythAggregatorV3(pythPriceFeedsContract, priceFeedId);
+
+        console.log("PythAggregatorV3 deployed at", address(aggregator));
+
+        vm.stopBroadcast();
+    }
+}