anonpenguin c208ff3288 feat: enhance signature verification for multiple blockchain types
- Added support for verifying signatures from both Ethereum (ETH) and Solana (SOL) blockchains in the verifyHandler.
- Introduced a new ChainType field in the request to specify the blockchain type, defaulting to ETH for backward compatibility.
- Implemented Ed25519 signature verification for Solana, including base64 decoding of signatures and base58 decoding of public keys.
- Enhanced error handling for unsupported chain types and invalid signature formats, improving robustness of the verification process.
2025-10-28 19:19:31 +02:00
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