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Improve visibility and accuracy of Tron Gas-Free configuration

Viet Tan Tran requested to merge github/fork/ihsraham/docs/fix-tron-providers into develop

Created by: ihsraham

Description

This PR addresses feedback regarding the discoverability of critical connection details for the Tron Gas-Free module. It creates a dedicated reference table for Service Providers and corrects inaccurate placeholder data in the configuration examples based on official gasfree.io documentation.

Changes

1. Content & Accuracy (sdk/wallet-modules/wallet-tron-gasfree/configuration.md)

  • New Section: Added a "Network & Service Providers" table at the top of the page. This pulls critical RPC and Gas-Free URLs out of code comments and into a visible reference.
  • Data Correction:
    • Updated Nile Testnet chainId from 3448148 to 3448148188. (The GasFree service strictly requires this EVM-compatible ID for Nile; the standard ID returns an "unsupported chain" error).
    • URLs: Updated Provider URLs to match the official GasFree Spec v1.0.2:
    • Contract: Updated Mainnet Verifying Contract to TFFAMLQZybALab4uxHA9RBE7pxhUAjfF3U.

The changes have been been done in line with the GasFree Spec doc.

Why?

  • Visibility: Developers were missing critical connection details buried in code snippets.
  • Correctness: The previous testnet examples used incorrect endpoints that would fail in a real integration.
  • Feedback: Directly addresses feedback from @raigal-r regarding the domain inconsistency (.com vs .io).

Verification

  • Local Testing: Verified connection to Nile Testnet locally. Confirmed that using the correct chainId (3448148188) allows for successful address generation, whereas the previous ID failed.
  • Table Rendering: Verified the new Providers table renders cleanly with correct columns.
  • Links: Verified https://open-test.gasfree.io/nile/ matches the official spec.
  • Copy/Paste: Verified code blocks copy correctly with the updated contract addresses.
  • Misc: Fixed "Gras-Free" typos in README.md.

Mentions

CC: @raigal-r - Addressed the feedback regarding provider visibility and domain fixes.

Requesting @gatteo and @jonathunne for review.

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