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sol2base v1.1.0 - Base Bridge v0.3.0 Compatibility Update

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@Jnix2007 Jnix2007 released this 26 Sep 01:25
· 2 commits to main since this release
v1.1.0
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Jnix2007 jnix.base.eth
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sol2base working end-to-end with latest Base Bridge update

This release updates sol2base to be compatible with the Base team's September 24, 2025 bridge infrastructure redeploy (v0.3.0), which included breaking changes. The bridge now works end-to-end again, with completion times of just a few seconds for WSOL to land on Base Sepolia.

breaking changes from Base Team redeploy

updated Program IDs

  • Solana Bridge program: HSvNvzehozUpYhRBuCKq3Fq8udpRocTmGMUYXmCSiCCc (was 83hN2esneZUbKgLfUvo7uzas4g7kyiodeNKAqZgx5MbH)
  • Solana Base Relayer program: ExS1gcALmaA983oiVpvFSVohi1zCtAUTgsLj5xiFPPgL (new)
  • gas fee receiver: BEwzVVw44VLaspWByUML23hbQmo5ndM1NPQAJsvCxC6F (unchanged)

account structure changes

  • OutgoingMessage accounts: Now use PDAs instead of generated keypairs
  • MessageToRelay accounts: Now use PDAs instead of generated keypairs
  • PDA seeds:
    • OutgoingMessage: ["outgoing_message", 32-byte-salt]
    • MessageToRelay: ["mtr", 32-byte-salt]

updated CA's

  • Base Sepolia Bridge: 0x3154Cf16ccdb4C6d922629664174b904d80F2C35
  • Base Sepolia Bridge validator: 0xa80C07DF38fB1A5b3E6a4f4FAAB71E7a056a4EC7
  • Wrapped SOL on Base Sepolia: 0xC5b9112382f3c87AFE8e1A28fa52452aF81085AD (was 0x70445da14e089424E5f7Ab6d3C22F5Fadeb619Ca)

🛠️ technical fixes implemented

Updated WSOL contract address to the devnet-prod deployment address

PDA implementation

  • single salt usage: Both OutgoingMessage and MessageToRelay PDAs now use the same 32-byte salt
  • proper seed derivation: Using exact seed patterns from Base bridge source code
  • raw byte packing: EVM addresses properly encoded as 20-byte buffers

enhanced reliability

  • improved error handling for "transaction already processed" scenarios
  • better diagnostics for debugging bridge issues
  • environment configuration support for different deployments

codebase improvements

streamlined repository

  • removed 30,000+ lines of unused generated client code
  • removed unused directories: bridge-contracts, bridge-solana
  • cleaned up dependencies and reduced bundle size
  • updated documentation with all current addresses
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