Update packages to handle fee (#60)

* Update testnet spy

* Add fee to code + readme

* Bump package versions

* Remove ropsten contract address

Author: ali-bahjati

pyth-evm-js/README.md

@@ -59,7 +59,20 @@ setTimeout(() => {
 // call the Pyth Contract with this data.
 const priceUpdateData = await connection.getPriceUpdateData(priceIds);
 
-await someContract.doSomething(someArg, otherArg, priceUpdateData);
+// If the user is paying the price update fee, you need to fetch it from the Pyth contract.
+// Please refer to https://docs.pyth.network/consume-data/on-demand#fees for more information.
+//
+// `pythContract` below is a web3.js contract; if you wish to use ethers, you need to change it accordingly.
+// You can find the Pyth interface ABI in @pythnetwork/pyth-sdk-solidity npm package.
+const updateFee = await pythContract.methods
+  .getUpdateFee(priceFeedUpdateData.length)
+  .call();
+
+// Calling someContract method
+// `someContract` below is a web3.js contract; if you wish to use ethers, you need to change it accordingly.
+await someContract.methods
+  .doSomething(someArg, otherArg, priceUpdateData)
+  .send({ value: updateFee });
 ```
 
 `SomeContract` looks like so:

pyth-evm-js/package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@pythnetwork/pyth-evm-js",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Pyth Network EVM Utils in JS",
   "homepage": "https://pyth.network",
   "author": {

pyth-evm-js/package.json

@@ -114,9 +114,14 @@ async function run() {
     }
   );
 
+  const updateFee = await pythContract.methods
+    .getUpdateFee(priceFeedUpdateData.length)
+    .call();
+  console.log(`Update fee: ${updateFee}`);
+
   pythContract.methods
     .updatePriceFeeds(priceFeedUpdateData)
-    .send()
+    .send({ value: updateFee })
     .on("transactionHash", (hash: string) => {
       console.log(`Tx hash: ${hash}`);
     });

pyth-evm-js/src/examples/EvmRelay.ts

@@ -13,7 +13,6 @@ export const CONTRACT_ADDR: Record<string, string> = {
   bnb_testnet: "0xd7308b14BF4008e7C7196eC35610B1427C5702EA",
   fuji: "0xff1a0f4744e8582DF1aE09D5611b887B6a12925C",
   fantom_testnet: "0xff1a0f4744e8582DF1aE09D5611b887B6a12925C",
-  ropsten: "0xff1a0f4744e8582DF1aE09D5611b887B6a12925C",
   goerli: "0xff1a0f4744e8582DF1aE09D5611b887B6a12925C",
   mumbai: "0xff1a0f4744e8582DF1aE09D5611b887B6a12925C",
   aurora_testnet: "0x4305FB66699C3B2702D4d05CF36551390A4c69C6",

pyth-evm-js/src/index.ts

@@ -8,7 +8,7 @@ services:
       - "--spyRPC"
       - "[::]:7072"
       - "--bootstrap"
-      - "/dns4/wormhole-testnet-v2-bootstrap.certus.one/udp/8999/quic/p2p/12D3KooWBY9ty9CXLBXGQzMuqkziLntsVcyz4pk1zWaJRvJn6Mmt"
+      - "/dns4/wormhole-testnet-v2-bootstrap.certus.one/udp/8999/quic/p2p/12D3KooWAkB9ynDur1Jtoa97LBUp8RXdhzS5uHgAfdTquJbrbN7i"
       - "--network"
       - "/wormhole/testnet/2/1"
       - "--logLevel"

pyth-evm-price-pusher/docker-compose.testnet.sample.yaml

@@ -1,6 +1,6 @@
 {
   "name": "@pythnetwork/pyth-evm-price-pusher",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Pyth EVM Price Pusher",
   "homepage": "https://pyth.network",
   "main": "lib/index.js",

pyth-evm-price-pusher/package-lock.json

@@ -108,13 +108,18 @@ export class Pusher {
       )
     );
 
+    const updateFee = await this.pythContract.methods
+      .getUpdateFee(priceFeedUpdateData.length)
+      .call();
+    console.log(`Update fee: ${updateFee}`);
+
     this.pythContract.methods
       .updatePriceFeedsIfNecessary(
         priceFeedUpdateData,
         priceIds,
         pubTimesToPush
       )
-      .send()
+      .send({ value: updateFee })
       .on("transactionHash", (hash: string) => {
         console.log(`Successful. Tx hash: ${hash}`);
       })