x402_svm 0.2.0

SVM blockchain implementation of the x402 protocol.

0.2.0

• Updated SvmSigner to support the new SignedPayment return type.
• Refactored SvmSigner to delegate to ExactSvmSchemeClient.
• Added more factory methods to SvmSigner: fromPrivateKeyHex, fromPrivateKeyBytes, fromMnemonic, and createRandom.
• Enhanced ExactSvmSchemeClient with network format validation.
• Improved SvmTransactionBuilder with better amount validation and custom compute budget instructions (matching reference implementation).
• Made DecodedTransaction public for better testability and verification.
• Added extensive validation tests for signers and transaction building.

0.1.0

• Initial release of the SVM implementation for x402.
• Implemented SvmSigner for Solana and SVM-compatible chains.
• Implemented ExactSvmSchemeClient supporting SPL Token transfers.
• Added SvmTransactionBuilder for constructing and verifying Solana transactions.