feat: WIP tron swaps

[ghgoodreau]

Description

Changelog

CHANGELOG entry:

Related issues

Fixes:

Manual testing steps

1. Go to this page...

Screenshots/Recordings

Before

After

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Extension Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[metamaskbot]

✨ Files requiring CODEOWNER review ✨

🔄 @MetaMask/swaps-engineers (8 files, +227 -16)

• 📁 ui/
  • 📁 ducks/
    • 📁 bridge/
      • 📄 selectors.test.ts +2 -2
      • 📄 selectors.ts +109 -1
  • 📁 pages/
    • 📁 bridge/
      • 📁 hooks/
        • 📄 useExternalAccountResolution.ts +13 -1
        • 📄 useSubmitBridgeTransaction.ts +17 -2
      • 📁 prepare/
        • 📁 components/
          • 📄 destination-account-list-item.tsx +22 -3
          • 📄 destination-account-picker-modal.tsx +20 -0
          • 📄 prepare-bridge-page.tsx +21 -4
        • 📄 index.tsx +23 -3

[metamaskbot]

Builds ready [21ee864]

• builds: chrome, firefox
• builds (beta): chrome, firefox
• builds (flask): chrome, firefox
• builds (test): chrome, firefox
• builds (test-flask): chrome, firefox
• bundle size: Bundle Size Stats
• user-actions-benchmark: User Actions Stats
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
  • common: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
  • ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16
  • content-script: 0
  • offscreen: 0

UI Startup Metrics (1248 ± 93 ms)

Platform	BuildType	Page	Metric	Mean (ms)	Min (ms)	Max (ms)	Std Dev (ms)	P 75 (ms)	P 95 (ms)
Chrome	Browserify	Standard Home	uiStartup	1248	1095	1631	93	1312	1394
			load	1076	944	1360	85	1133	1212
			domContentLoaded	1069	939	1354	85	1126	1206
			domInteractive	22	14	83	14	18	69
			firstPaint	691	90	1287	422	1079	1178
			backgroundConnect	234	222	272	9	238	251
			firstReactRender	27	18	49	8	28	47
			getState	22	8	49	9	26	45
			initialActions	0	0	2	0	0	1
			loadScripts	842	714	1118	85	900	988
			setupStore	11	7	28	4	12	22
			numNetworkReqs	13	6	77	19	6	70
	Browserify	Power User Home	uiStartup	1878	1717	2334	205	2019	2334
			load	1003	894	1271	149	1250	1271
			domContentLoaded	996	887	1257	147	1244	1257
			domInteractive	28	15	81	20	41	81
			firstPaint	480	99	1299	364	924	1299
			backgroundConnect	234	222	257	9	240	257
			firstReactRender	26	25	29	1	28	29
			getState	176	156	215	16	188	215
			initialActions	0	0	1	0	1	1
			loadScripts	769	664	1026	143	994	1026
			setupStore	11	9	26	4	11	26
			numNetworkReqs	120	70	254	69	171	254
	Webpack	Standard Home	uiStartup	825	707	1137	86	831	1054
			load	604	559	915	73	604	814
			domContentLoaded	597	553	900	71	599	803
			domInteractive	16	12	53	9	14	37
			firstPaint	193	60	903	191	176	609
			backgroundConnect	23	11	72	13	23	57
			firstReactRender	29	18	114	11	34	37
			getState	11	5	27	4	13	16
			initialActions	0	0	1	0	0	1
			loadScripts	594	550	889	69	597	793
			setupStore	11	4	33	5	13	18
			numNetworkReqs	13	6	73	19	6	69
	Webpack	Power User Home	uiStartup	1262	1146	1693	163	1315	1693
			load	667	582	974	134	820	974
			domContentLoaded	643	569	881	108	795	881
			domInteractive	25	12	89	22	38	89
			firstPaint	391	75	885	283	579	885
			backgroundConnect	59	10	277	69	73	277
			firstReactRender	27	23	29	1	28	29
			getState	141	97	162	21	156	162
			initialActions	0	0	1	0	1	1
			loadScripts	638	567	871	104	785	871
			setupStore	10	6	28	6	10	28
			numNetworkReqs	109	67	225	46	159	225
Firefox	Browserify	Standard Home	uiStartup	1523	1295	1876	106	1571	1753
			load	1282	1120	1496	79	1337	1451
			domContentLoaded	1282	1120	1495	79	1336	1451
			domInteractive	111	36	395	58	111	231
			firstPaint	-	-	-	-	-	-
			backgroundConnect	45	26	113	16	54	73
			firstReactRender	28	22	62	6	29	44
			getState	10	4	116	14	8	22
			initialActions	0	0	1	0	0	1
			loadScripts	1256	1102	1463	76	1302	1423
			setupStore	14	8	66	7	14	30
			numNetworkReqs	12	6	70	15	8	56
	Browserify	Power User Home	uiStartup	2483	2162	3153	312	2685	3153
			load	1390	1164	1911	255	1559	1911
			domContentLoaded	1389	1164	1910	255	1559	1910
			domInteractive	187	82	633	166	339	633
			firstPaint	-	-	-	-	-	-
			backgroundConnect	118	32	396	114	150	396
			firstReactRender	46	32	79	11	50	79
			getState	123	82	168	27	160	168
			initialActions	1	0	2	1	1	2
			loadScripts	1353	1145	1863	248	1514	1863
			setupStore	28	7	79	22	48	79
			numNetworkReqs	132	69	213	59	207	213
	Webpack	Standard Home	uiStartup	1673	1479	2447	157	1719	1987
			load	1415	1215	1785	104	1459	1632
			domContentLoaded	1415	1215	1785	104	1458	1632
			domInteractive	100	34	363	40	115	162
			firstPaint	-	-	-	-	-	-
			backgroundConnect	52	26	159	25	56	117
			firstReactRender	35	24	118	16	33	77
			getState	12	4	196	24	8	27
			initialActions	0	0	2	0	0	1
			loadScripts	1380	1196	1696	95	1425	1592
			setupStore	15	8	75	10	14	36
			numNetworkReqs	13	6	73	18	7	65
	Webpack	Power User Home	uiStartup	2458	2165	3062	294	2733	3062
			load	1472	1253	1800	184	1623	1800
			domContentLoaded	1471	1253	1800	185	1623	1800
			domInteractive	174	72	481	119	271	481
			firstPaint	-	-	-	-	-	-
			backgroundConnect	102	29	323	79	173	323
			firstReactRender	40	29	73	11	48	73
			getState	112	70	176	30	126	176
			initialActions	0	0	1	0	1	1
			loadScripts	1434	1232	1764	179	1600	1764
			setupStore	41	5	185	47	67	185
			numNetworkReqs	123	56	319	79	162	319

📊 Page Load Benchmark Results

Current Commit: 21ee864 | Date: 11/7/2025

📄 Localhost MetaMask Test Dapp

Samples: 100

Summary

• pageLoadTime-> current mean value: 1.04s (±54ms) 🟡 | historical mean value: 1.04s ⬆️ (historical data)
• domContentLoaded-> current mean value: 727ms (±51ms) 🟢 | historical mean value: 722ms ⬆️ (historical data)
• firstContentfulPaint-> current mean value: 77ms (±17ms) 🟢 | historical mean value: 76ms ⬆️ (historical data)

📈 Detailed Results

Metric	Mean	Std Dev	Min	Max	P95	P99
pageLoadTime	1.04s	54ms	1.01s	1.38s	1.07s	1.38s
domContentLoaded	727ms	51ms	700ms	1.03s	747ms	1.03s
firstPaint	77ms	17ms	60ms	232ms	88ms	232ms
firstContentfulPaint	77ms	17ms	60ms	232ms	88ms	232ms
largestContentfulPaint	0ms	0ms	0ms	0ms	0ms	0ms