chore(typesccript-sdk): added sepolia-to-holesky (#3632)

typescript-sdk/playground/sepolia-to-holesky.ts

@@ -0,0 +1,84 @@
+import { fallback, http } from "viem"
+import { parseArgs } from "node:util"
+import { consola } from "scripts/logger"
+import { privateKeyToAccount } from "viem/accounts"
+import { sepolia } from "viem/chains"
+import { createUnionClient } from "#mod.ts"
+import {
+  getChannelInfo,
+  getQuoteToken,
+  getRecommendedChannels
+} from "#query/offchain/ucs03-channels"
+
+const cliArgs = parseArgs({
+  args: process.argv.slice(2),
+  options: {
+    "private-key": { type: "string" },
+    "estimate-gas": { type: "boolean", default: false }
+  }
+})
+
+const PRIVATE_KEY = cliArgs.values["private-key"]
+const BASE_TOKEN: `0x${string}` = "0x1c7D4B196Cb0C7B01d743Fbc6116a902379C7238"
+const AMOUNT = 13n
+const RECEIVER = "0x8478B37E983F520dBCB5d7D3aAD8276B82631aBd"
+const SOURCE_CHAIN_ID = "11155111"
+const DESTINATION_CHAIN_ID = "17000"
+
+const channels = await getRecommendedChannels()
+
+const channel = getChannelInfo(SOURCE_CHAIN_ID, DESTINATION_CHAIN_ID, channels)
+if (channel === null) {
+  consola.error("no channel found")
+  process.exit(1)
+}
+
+consola.info("channel", channel)
+
+const quoteToken = await getQuoteToken(SOURCE_CHAIN_ID, BASE_TOKEN, channel)
+
+if (quoteToken.isErr()) {
+  consola.error("could not get quote token")
+  process.exit(1)
+}
+
+consola.info("quote token", quoteToken.value)
+
+const transferArgs = {
+  baseToken: BASE_TOKEN,
+  baseAmount: AMOUNT,
+  quoteToken: quoteToken.value.quote_token,
+  quoteAmount: AMOUNT,
+  receiver: RECEIVER,
+  sourceChannelId: channel.source_channel_id,
+  ucs03address: `0x${channel.source_port_id}`
+} as const
+
+consola.info("transfer args", transferArgs)
+
+const holeskyClient = createUnionClient({
+  chainId: SOURCE_CHAIN_ID,
+  account: privateKeyToAccount(`0x${PRIVATE_KEY}`),
+  transport: fallback([
+    http("https://rpc.11155111.sepolia.chain.kitchen"),
+    http(sepolia?.rpcUrls.default.http.at(0))
+  ])
+})
+
+const approveResponse = await holeskyClient.approveErc20(transferArgs)
+
+if (approveResponse.isErr()) {
+  consola.error(approveResponse.error)
+  process.exit(1)
+}
+
+consola.info("approval tx hash", approveResponse.value)
+
+const transfer = await holeskyClient.transferAsset(transferArgs)
+
+if (transfer.isErr()) {
+  consola.error(transfer.error)
+  process.exit(1)
+}
+
+consola.info("transfer tx hash", transfer.value)