Auto Discovery for Filecoin Assets and Accounts

[HEagle18]

Description

We are building auto discovery for ERC tokens and Solana tokens. We should also do this for Filecoin.

Steps to Reproduce

Actual result:

Expected result:

Reproduces how often:

Desktop Brave version:

Android Device details:

• Install type (ARM, x86):
• Device type (Phone, Tablet, Phablet):
• Android version:

Version/Channel Information:

• Can you reproduce this issue with the current release?
• Can you reproduce this issue with the beta channel?
• Can you reproduce this issue with the nightly channel?

Other Additional Information:

• Does the issue resolve itself when disabling Brave Shields?
• Does the issue resolve itself when disabling Brave Rewards?
• Is the issue reproducible on the latest version of Chrome?

Miscellaneous Information:

[yrliou]

AFAIK Filecoin does not have other tokens other than Filecoin itself, so I think we probably only need account discovery for Filecoin. For account discovery, we should follow the algorithm in #18104.

[srirambv]

Verification passed on Oppo Reno 5 with Android 13 running 1.53.94 x64 Beta build

• Verified steps from brave/brave-core#18283
• Verified importing a wallet restores all non-zero balance accounts for both ETH and SOL

[srirambv]

Verification passed on

Brave	1.53.94 Chromium: 114.0.5735.133 (Official Build) beta (64-bit)
Revision	fbfa2ce68d01b2201d8c667c2e73f648a61c4f4a-refs/branch-heads/5735@{#1270}
OS	Windows 11 Version 22H2 (Build 22621.1848)

• Verified steps from brave/brave-core#18283
• Verified importing a wallet restores all non-zero balance accounts for both ETH, SOL & FIL accounts

28002.mp4