Submit Fiat-Shamir (Relay) & Deploy to testnet

[yrong]

• Deploy Fiat–Shamir Beefy light client to the Westend–Sepolia testnet at this address
• Update the BEEFY relay to add a flag enabling Fiat–Shamir and sync with the new light client.
• Upgrade Gateway contract point to the new light client.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.75%. Comparing base (7462e13) to head (5d44331).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
contracts/src/upgrade/Gateway202601.sepolia.sol	0.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1669      +/-   ##
==========================================
- Coverage   91.05%   90.75%   -0.31%     
==========================================
  Files          19       20       +1     
  Lines         906      909       +3     
  Branches      165      166       +1     
==========================================
  Hits          825      825              
- Misses         64       67       +3     
  Partials       17       17              

Flag	Coverage Δ
solidity	90.75% <0.00%> (-0.31%)	⬇️

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[yrong]

Upgrade Call

https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Fwestend-rpc.polkadot.io#/extrinsics/decode/0x630004000100a90f040c2f00000602070008d6e82982ee3600dc53003a9523d9ebfa002c1c59703a579b3f08341644d96e5bb516995eb28035e023e48beb2b7a91f2b2c15ef3eee467405f82de144293002000

[alistair-singh]

+1

[alistair-singh]

Maybe we should make this a small amount of blocks, like 8, just to test relayers and the waiting behavior.