feat: replace external SSE fetching lib with internal fetch-event-source util

packages/bridge-controller/CHANGELOG.md

@@ -11,6 +11,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Add `MONAD` network support ([#6828](https://github.com/MetaMask/core/pull/6828))
   - Add `MONAD` into constants `ALLOWED_BRIDGE_CHAIN_IDS`, `SWAPS_TOKEN_OBJECT` and `NETWORK_TO_NAME_MAP`
+- Implement `fetchServerEvents` util that parses server events and parses them into JSON ([#6892](https://github.com/MetaMask/core/pull/6892))
+
+### Changed
+
+- **BREAKING:** Add BitcoinTradeData to QuoteResponse validation ([#6892](https://github.com/MetaMask/core/pull/6892))
+- Replace `fetchEventSource` with `fetchServerEvents` ([#6892](https://github.com/MetaMask/core/pull/6892))
+
+### Removed
+
+- Removed dependency on `@microsoft/fetch-event-source` at `^2.0.1` ([#6892](https://github.com/MetaMask/core/pull/6892))
 
 ## [53.0.0]
 

packages/bridge-controller/package.json

@@ -60,7 +60,6 @@
     "@metamask/multichain-network-controller": "^1.0.1",
     "@metamask/polling-controller": "^14.0.1",
     "@metamask/utils": "^11.8.1",
-    "@microsoft/fetch-event-source": "^2.0.1",
     "bignumber.js": "^9.1.2",
     "reselect": "^5.1.1",
     "uuid": "^8.3.2"

packages/bridge-controller/src/__snapshots__/bridge-controller.sse.test.ts.snap

@@ -1,6 +1,6 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
-exports[`BridgeController SSE should publish validation failures 3`] = `
+exports[`BridgeController SSE should publish validation failures 4`] = `
 Array [
   Array [
     "Unified SwapBridge Quotes Failed Validation",
@@ -24,6 +24,20 @@ Array [
       "token_address_source": "eip155:1/slip44:60",
     },
   ],
+  Array [
+    "Unified SwapBridge Quotes Failed Validation",
+    Object {
+      "action_type": "swapbridge-v1",
+      "chain_id_destination": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
+      "chain_id_source": "eip155:1",
+      "failures": Array [
+        "unknown|unknown",
+      ],
+      "refresh_count": 1,
+      "token_address_destination": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp/token:123d1",
+      "token_address_source": "eip155:1/slip44:60",
+    },
+  ],
   Array [
     "Unified SwapBridge Quotes Failed Validation",
     Object {
@@ -33,7 +47,7 @@ Array [
       "failures": Array [
         "unknown|quote",
       ],
-      "refresh_count": 2,
+      "refresh_count": 1,
       "token_address_destination": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp/token:123d1",
       "token_address_source": "eip155:1/slip44:60",
     },
@@ -137,6 +151,114 @@ Array [
 ]
 `;
 
+exports[`BridgeController SSE should rethrow error from server 1`] = `
+Object {
+  "assetExchangeRates": Object {
+    "eip155:10/erc20:0x1f9840a85d5af5bf1d1762f925bdaddc4201f984": Object {
+      "exchangeRate": undefined,
+      "usdExchangeRate": "100",
+    },
+  },
+  "minimumBalanceForRentExemptionInLamports": "0",
+  "quoteFetchError": null,
+  "quoteRequest": Object {
+    "destChainId": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
+    "destTokenAddress": "123d1",
+    "destWalletAddress": "SolanaWalletAddres1234",
+    "insufficientBal": false,
+    "slippage": 0.5,
+    "srcChainId": "0x1",
+    "srcTokenAddress": "0x0000000000000000000000000000000000000000",
+    "srcTokenAmount": "1000000000000000000",
+    "walletAddress": "0x30E8ccaD5A980BDF30447f8c2C48e70989D9d294",
+  },
+  "quotes": Array [],
+  "quotesInitialLoadTime": null,
+  "quotesLoadingStatus": 0,
+  "quotesRefreshCount": 0,
+}
+`;
+
+exports[`BridgeController SSE should rethrow error from server 3`] = `
+Array [
+  Array [
+    "Unified SwapBridge Input Changed",
+    Object {
+      "action_type": "swapbridge-v1",
+      "input": "chain_source",
+      "input_value": "eip155:1",
+    },
+  ],
+  Array [
+    "Unified SwapBridge Input Changed",
+    Object {
+      "action_type": "swapbridge-v1",
+      "input": "chain_destination",
+      "input_value": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
+    },
+  ],
+  Array [
+    "Unified SwapBridge Input Changed",
+    Object {
+      "action_type": "swapbridge-v1",
+      "input": "token_destination",
+      "input_value": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp/token:123d1",
+    },
+  ],
+  Array [
+    "Unified SwapBridge Input Changed",
+    Object {
+      "action_type": "swapbridge-v1",
+      "input": "slippage",
+      "input_value": 0.5,
+    },
+  ],
+  Array [
+    "Unified SwapBridge Quotes Requested",
+    Object {
+      "action_type": "swapbridge-v1",
+      "chain_id_destination": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
+      "chain_id_source": "eip155:1",
+      "custom_slippage": true,
+      "has_sufficient_funds": true,
+      "is_hardware_wallet": false,
+      "security_warnings": Array [],
+      "slippage_limit": 0.5,
+      "stx_enabled": true,
+      "swap_type": "crosschain",
+      "token_address_destination": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp/token:123d1",
+      "token_address_source": "eip155:1/slip44:60",
+      "token_symbol_destination": "USDC",
+      "token_symbol_source": "ETH",
+      "usd_amount_source": 100,
+      "warnings": Array [],
+    },
+  ],
+  Array [
+    "Unified SwapBridge Quotes Error",
+    Object {
+      "action_type": "swapbridge-v1",
+      "chain_id_destination": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
+      "chain_id_source": "eip155:1",
+      "custom_slippage": true,
+      "error_message": "Bridge-api error: timeout from server",
+      "has_sufficient_funds": true,
+      "is_hardware_wallet": false,
+      "security_warnings": Array [],
+      "slippage_limit": 0.5,
+      "stx_enabled": true,
+      "swap_type": "crosschain",
+      "token_address_destination": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp/token:123d1",
+      "token_address_source": "eip155:1/slip44:60",
+      "token_symbol_destination": "USDC",
+      "token_symbol_source": "ETH",
+      "usd_amount_source": 100,
+      "warnings": Array [],
+    },
+  ],
+]
+`;
+
 exports[`BridgeController SSE should trigger quote polling if request is valid 1`] = `
 Object {
   "assetExchangeRates": Object {