feat(swap-service): Thorchain swap verification

apps/swap-service/src/utils/affiliateFeeAsset.ts

@@ -1,11 +1,13 @@
+import type { AssetId } from '@shapeshiftoss/caip'
+import { thorchainAssetId } from '@shapeshiftoss/caip'
 import { SwapperName } from '@shapeshiftoss/swapper'
 import type { Asset } from '@shapeshiftoss/types'
 
-type FeeAssetStrategy = 'buy_asset' | 'sell_asset' | 'none'
+type FeeAssetStrategy = 'buy_asset' | 'sell_asset' | AssetId | null
 
 const SWAPPER_FEE_STRATEGY: Record<SwapperName, FeeAssetStrategy> = {
   [SwapperName.Across]: 'buy_asset',
-  [SwapperName.ArbitrumBridge]: 'none',
+  [SwapperName.ArbitrumBridge]: null,
   [SwapperName.Avnu]: 'sell_asset',
   [SwapperName.Bebop]: 'buy_asset',
   [SwapperName.ButterSwap]: 'buy_asset',
@@ -16,12 +18,12 @@ const SWAPPER_FEE_STRATEGY: Record<SwapperName, FeeAssetStrategy> = {
   [SwapperName.Mayachain]: 'sell_asset',
   [SwapperName.NearIntents]: 'sell_asset',
   [SwapperName.Portals]: 'sell_asset',
-  [SwapperName.Relay]: 'none',
+  [SwapperName.Relay]: null,
   [SwapperName.Stonfi]: 'sell_asset',
   [SwapperName.Sunio]: 'buy_asset',
-  [SwapperName.Thorchain]: 'sell_asset',
+  [SwapperName.Thorchain]: thorchainAssetId,
   [SwapperName.Zrx]: 'buy_asset',
-  [SwapperName.Test]: 'none',
+  [SwapperName.Test]: null,
 }
 
 export function resolveAffiliateFeeAssetId(swapperName: SwapperName, sellAsset: Asset, buyAsset: Asset): string | null {
@@ -34,6 +36,6 @@ export function resolveAffiliateFeeAssetId(swapperName: SwapperName, sellAsset:
     case 'sell_asset':
       return sellAsset.assetId
     default:
-      return null
+      return strategy
   }
 }

apps/swap-service/src/verification/__tests__/fixtures/thorchain/response.json

@@ -0,0 +1,76 @@
+{
+  "actions": [
+    {
+      "date": "1778278960278752371",
+      "height": "26094014",
+      "in": [
+        {
+          "address": "0xa44c286ba83bb771cd0107b2c1df678435bd1535",
+          "coins": [
+            {
+              "amount": "300000",
+              "asset": "ETH.ETH"
+            }
+          ],
+          "txID": "4A4CE957A047378C3F3AC57CA3CC3AB03E61814A7B415F493704D84A9E42D0EB"
+        }
+      ],
+      "metadata": {
+        "swap": {
+          "affiliateAddress": "ss",
+          "affiliateFee": "60",
+          "inPriceUSD": "2316.00252129584",
+          "isStreamingSwap": true,
+          "liquidityFee": "2327555",
+          "memo": "=:ETH.USDC:0xA44C286BA83Bb771cd0107B2c1Df678435Bd1535:660984846:ss:60",
+          "networkFees": [
+            {
+              "amount": "25005800",
+              "asset": "ETH.USDC-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48"
+            }
+          ],
+          "outPriceUSD": "0.9998584435447455",
+          "swapSlip": "20",
+          "swapTarget": "660984846",
+          "txType": "swap"
+        }
+      },
+      "out": [
+        {
+          "address": "thor1dl7un46w7l7f3ewrnrm6nq58nerjtp0dradjtd",
+          "affiliate": true,
+          "coins": [
+            {
+              "amount": "6944500",
+              "asset": "THOR.RUNE"
+            }
+          ],
+          "height": "26094015",
+          "txID": ""
+        },
+        {
+          "address": "0xa44c286ba83bb771cd0107b2c1df678435bd1535",
+          "coins": [
+            {
+              "amount": "664373800",
+              "asset": "ETH.USDC-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48"
+            }
+          ],
+          "height": "26094019",
+          "txID": "E6CECF7727DA23DDC52605D728775E7E022935987548FF5E9E922FDFBC55F9FC"
+        }
+      ],
+      "pools": [
+        "ETH.ETH",
+        "ETH.USDC-0XA0B86991C6218B36C1D19D4A2E9EB0CE3606EB48"
+      ],
+      "status": "success",
+      "type": "swap"
+    }
+  ],
+  "count": "1",
+  "meta": {
+    "nextPageToken": "260940149000000079",
+    "prevPageToken": "260940149000000079"
+  }
+}

apps/swap-service/src/verification/__tests__/fixtures/thorchain/swap.ts

@@ -0,0 +1,82 @@
+import { SwapperName } from '@shapeshiftoss/swapper'
+
+import type { Swap } from '../../../../swaps/types'
+
+export default {
+  swapId: 'ca88e6ef-ca09-4848-98a6-1bd18e36fc81',
+  sellAsset: {
+    icon: 'https://rawcdn.githack.com/trustwallet/assets/32e51d582a890b3dd3135fe3ee7c20c2fd699a6d/blockchains/ethereum/info/logo.png',
+    name: 'Ethereum',
+    color: '#5C6BC0',
+    symbol: 'ETH',
+    assetId: 'eip155:1/slip44:60',
+    chainId: 'eip155:1',
+    explorer: 'https://etherscan.io',
+    precision: 18,
+    networkIcon:
+      'https://rawcdn.githack.com/trustwallet/assets/32e51d582a890b3dd3135fe3ee7c20c2fd699a6d/blockchains/ethereum/info/logo.png',
+    networkName: 'Ethereum',
+    networkColor: '#5C6BC0',
+    explorerTxLink: 'https://etherscan.io/tx/',
+    relatedAssetKey: 'eip155:1/slip44:60',
+    explorerAddressLink: 'https://etherscan.io/address/',
+  },
+  buyAsset: {
+    icon: 'https://assets.coingecko.com/coins/images/6319/large/USDC.png?1769615602',
+    name: 'USDC',
+    color: '#2373CB',
+    symbol: 'USDC',
+    assetId: 'eip155:1/erc20:0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48',
+    chainId: 'eip155:1',
+    explorer: 'https://etherscan.io',
+    precision: 6,
+    networkIcon:
+      'https://rawcdn.githack.com/trustwallet/assets/32e51d582a890b3dd3135fe3ee7c20c2fd699a6d/blockchains/ethereum/info/logo.png',
+    networkName: 'Ethereum',
+    networkColor: '#5C6BC0',
+    explorerTxLink: 'https://etherscan.io/tx/',
+    relatedAssetKey: 'eip155:1/erc20:0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48',
+    explorerAddressLink: 'https://etherscan.io/address/',
+  },
+  sellAmountCryptoBaseUnit: '3000000000000000',
+  expectedBuyAmountCryptoBaseUnit: '6643063.78',
+  actualBuyAmountCryptoBaseUnit: null,
+  status: 'SUCCESS',
+  source: 'THORChain',
+  swapperName: SwapperName.Thorchain,
+  sellAccountId: '3c70e97c6f86a5b5cfdf82dfd3380ac4ed3d8b89dabf86f631bdf739372926be',
+  buyAccountId: null,
+  receiveAddress: '0xA44C286BA83Bb771cd0107B2c1Df678435Bd1535',
+  sellTxHash: '0x4a4ce957a047378c3f3ac57ca3cc3ab03e61814a7b415f493704d84a9e42d0eb',
+  buyTxHash: '0xE6CECF7727DA23DDC52605D728775E7E022935987548FF5E9E922FDFBC55F9FC',
+  txLink: null,
+  statusMessage: '',
+  isStreaming: false,
+  createdAt: new Date('2026-05-08T22:21:53.060Z'),
+  updatedAt: new Date('2026-05-08T22:23:25.138Z'),
+  metadata: {
+    quoteId: 'ca88e6ef-ca09-4848-98a6-1bd18e36fc81',
+    stepIndex: 0,
+    acrossTransactionMetadata: undefined,
+    chainflipSwapId: undefined,
+    debridgeTransactionMetadata: undefined,
+    relayerExplorerTxLink: undefined,
+    relayerTxHash: undefined,
+    relayTransactionMetadata: undefined,
+    streamingSwapMetadata: undefined,
+  },
+  userId: 'api',
+  referralCode: null,
+  sellAssetUsd: '2315.29',
+  buyAssetUsd: '0.999934',
+  affiliateAssetUsd: '2315.29',
+  isAffiliateVerified: null,
+  affiliateVerificationDetails: null,
+  affiliateAddress: '0xA44C286BA83Bb771cd0107B2c1Df678435Bd1535',
+  affiliateBps: 60,
+  origin: 'api',
+  affiliateFeeAssetId: 'eip155:1/slip44:60',
+  actualAffiliateFeeAmountCryptoBaseUnit: null,
+  shapeshiftBps: 10,
+  verificationStatus: 'PENDING',
+} satisfies Swap

apps/swap-service/src/verification/__tests__/setup.ts

@@ -1,4 +1,5 @@
 import { Logger } from '@nestjs/common'
+import type BigNumberJs from 'bignumber.js'
 
 Logger.overrideLogger(false)
 
@@ -8,6 +9,7 @@ jest.mock('../../env', () => ({
     VITE_CHAINFLIP_API_KEY: 'x',
     VITE_NEAR_INTENTS_API_KEY: 'x',
     VITE_THORCHAIN_NODE_URL: 'https://thornode.test',
+    VITE_THORCHAIN_MIDGARD_URL: 'https://midgard.test',
     VITE_MAYACHAIN_NODE_URL: 'https://mayanode.test',
     VITE_ACROSS_API_URL: 'https://across.test',
     VITE_BEBOP_API_URL: 'https://bebop.test',
@@ -23,6 +25,18 @@ jest.mock('../../utils/pricing', () => ({
   getAssetPriceUsd: jest.fn(),
 }))
 
+// chain-adapters transitively imports p-queue (ESM-only) which Jest's CJS loader can't parse.
+// We only need bnOrZero in tests, so stub it via bignumber.js directly.
+jest.mock('@shapeshiftoss/chain-adapters', () => {
+  const BigNumber = jest.requireActual<typeof BigNumberJs>('bignumber.js')
+  return {
+    bnOrZero: (x: unknown) => {
+      const bn = new BigNumber(x as BigNumberJs.Value)
+      return bn.isFinite() ? bn : new BigNumber(0)
+    },
+  }
+})
+
 jest.mock('@shapeshiftoss/swapper', () => ({
   SwapperName: {
     Thorchain: 'THORChain',