feat(typescript-sdk): unwrap cw20s

Author: cor

typescript-sdk/playground/babylon-to-union-unwrap.ts

@@ -0,0 +1,126 @@
+import { fromHex, http, toHex } from "viem"
+import { parseArgs } from "node:util"
+import { consola } from "scripts/logger"
+import { createUnionClient, hexToBytes } from "#mod.ts"
+import {
+  getChannelInfo,
+  getQuoteToken,
+  getRecommendedChannels
+} from "#query/offchain/ucs03-channels"
+import { DirectSecp256k1Wallet } from "@cosmjs/proto-signing"
+import { queryContractState } from "#query/on-chain"
+import { SiweInvalidMessageFieldError } from "viem/siwe"
+
+// hack to encode bigints to json
+declare global {
+  interface BigInt {
+    toJSON: () => string
+  }
+}
+
+if (!BigInt.prototype.toJSON) {
+  Object.defineProperty(BigInt.prototype, "toJSON", {
+    value: function () {
+      return this.toString()
+    },
+    writable: true,
+    configurable: true
+  })
+}
+// end hack
+
+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 WRASPPED_MUNO_DENOM_CW20 = "bbn1e9ycc775kxv7klq5eh9vznjslps3tqt3f2ttku8ptky9qqt6ecjqn570rp"
+const AMOUNT = 12n
+const RECEIVER = toHex("union1qcvavxpxw3t8d9j7mwaeq9wgytkf5vwpzq6pr4")
+const SOURCE_CHAIN_ID = "bbn-test-5"
+const DESTINATION_CHAIN_ID = "union-testnet-9"
+
+const baseToken = toHex(WRASPPED_MUNO_DENOM_CW20)
+
+const channels = await getRecommendedChannels()
+
+const channel = getChannelInfo(SOURCE_CHAIN_ID, DESTINATION_CHAIN_ID, channels)
+if (channel === null) {
+  consola.info("no channel found")
+  process.exit(1)
+}
+
+consola.info("channel", channel)
+
+consola.info("base token", baseToken)
+
+const quoteToken = await getQuoteToken(SOURCE_CHAIN_ID, baseToken, channel)
+if (quoteToken.isErr()) {
+  consola.info("could not get quote token")
+  consola.error(quoteToken.error)
+  process.exit(1)
+}
+
+if (quoteToken.value.type === "NO_QUOTE_AVAILABLE") {
+  consola.error("No quote token available")
+  process.exit(1)
+}
+consola.info("quote token", quoteToken.value)
+
+if (!PRIVATE_KEY) {
+  consola.error("no private key provided")
+  process.exit(1)
+}
+
+const unionClient = createUnionClient({
+  chainId: SOURCE_CHAIN_ID,
+  account: await DirectSecp256k1Wallet.fromKey(Uint8Array.from(hexToBytes(PRIVATE_KEY)), "bbn"),
+  gasPrice: { amount: "0.025", denom: "ubbn" },
+  transport: http("https://rpc.bbn-test-5.babylon.chain.kitchen")
+})
+
+const CW20_TOKEN_MINTER = "bbn143365ksyxj0zxj26djqsjltscty75qdlpwry6yxhr8ckzhq92xas8pz8sn"
+
+const allowanceParams = {
+  contractAddress: WRASPPED_MUNO_DENOM_CW20,
+  amount: AMOUNT,
+  spender: CW20_TOKEN_MINTER
+}
+consola.info("allowance params", allowanceParams)
+
+const approveResponse = await unionClient.cw20IncreaseAllowance(allowanceParams)
+consola.info("approval", approveResponse)
+
+let contractSTate = await queryContractState({
+  restUrl: "https://rest.bbn-test-5.babylon.chain.kitchen",
+  contractAddress: WRASPPED_MUNO_DENOM_CW20
+})
+consola.log("contract state", contractSTate)
+
+if (approveResponse.isErr()) {
+  consola.error(approveResponse.error)
+  process.exit(1)
+}
+
+consola.info("approval tx hash", approveResponse.value)
+
+const transfer = await unionClient.transferAsset({
+  baseToken: WRASPPED_MUNO_DENOM_CW20,
+  baseAmount: AMOUNT,
+  quoteToken: quoteToken.value.quote_token,
+  quoteAmount: AMOUNT,
+  receiver: RECEIVER,
+  sourceChannelId: channel.source_channel_id,
+  ucs03address: fromHex(`0x${channel.source_port_id}`, "string")
+})
+
+if (transfer.isErr()) {
+  consola.error("transfer submission failed:", transfer.error)
+  process.exit(1)
+}
+
+consola.info("transfer tx hash", transfer.value)

typescript-sdk/playground/union-to-babylon.ts

@@ -38,7 +38,7 @@ const cliArgs = parseArgs({
 const PRIVATE_KEY = cliArgs.values["private-key"]
 const MUNO_DENOM = "muno"
 const AMOUNT = 12n
-const RECEIVER = toHex("bbn1xe0rnlh3u05qkwytkwmyzl86a0mvpwfxgf2t7u")
+const RECEIVER = toHex("bbn1qcvavxpxw3t8d9j7mwaeq9wgytkf5vwplf2cja")
 const SOURCE_CHAIN_ID = "union-testnet-9"
 const DESTINATION_CHAIN_ID = "bbn-test-5"
 

typescript-sdk/src/cosmos/client.ts

@@ -14,6 +14,7 @@ import type {
   TransferAssetParameters,
   TransferAssetsParametersLegacy
 } from "../types.ts"
+import { isValidBech32ContractAddress } from "#mod.ts"
 
 export const cosmosChainId = [
   "elgafar-1",
@@ -82,7 +83,10 @@ export const createCosmosClient = (parameters: CosmosClientParameters) =>
                 salt: generateSalt()
               }
             },
-            funds: [{ amount: baseAmount.toString(), denom: baseToken }]
+            // If we are sending a CW20 (which is a valid bech32 address), then we do not need to attach native funds
+            funds: isValidBech32ContractAddress(baseToken)
+              ? []
+              : [{ amount: baseAmount.toString(), denom: baseToken }]
           }
         ]
       })

typescript-sdk/src/generated/graphql-env.d.ts

@@ -39,6 +39,7 @@ export {
   isValidEvmAddress,
   isValidCosmosTxHash,
   isValidBech32Address,
+  isValidBech32ContractAddress,
   extractBech32AddressPrefix
 } from "./utilities/address.ts"
 export {