v1.2.1

What's Changed

Bug Fixes

gRPC SimulateTransaction now works without pre-funded gas payment

Previously, calling SimulateTransaction via gRPC would fail with one of:

• unexpected end of input — caused by nil GasData.Price or GasData.Payment producing malformed BCS bytes
• transaction not found — caused by the read mask including committed-only fields (digest, signatures, checkpoint, timestamp) that the node cannot populate for simulated
  transactions

New Features

• SimulateTransactionOptions.DoGasSelection — set to true to let the node automatically select a gas coin, no need to provide a gas payment object
• Transaction.BuildBCSBytes(ctx) — new public method that returns raw BCS-encoded TransactionData bytes, suitable for passing directly to SimulateTransactionOptions.Transaction or
  ExecuteTransactionOptions.Transaction

Examples

• Added SimulateTransaction example in v2_examples/ demonstrating the correct end-to-end flow
• Completed ExecuteTransaction example in grpc_examples/transaction_execution_service/ with full PTB build, sign, and submit

v1.2.0

New Features

• Unified API: One client interface (sui/v2) supports both JSON-RPC and gRPC. Switch backends by changing ClientOptions; application code stays the same.

• Transport support: Works with httpconn.HttpConn (JSON-RPC) and grpcconn.SuiGrpcClient (gRPC).

• Payload normalization: Consistent field names and type strings across backends (e.g. typeArguments, result, transaction.bcs).

See V2 README for details and examples.

v1.1.4

🎉 gRPC Support

Supports the following gRPC services:

• LedgerService - Query ledger data including objects, transactions, checkpoints, and epochs
• NameService - Resolve Sui names and reverse lookups
• StateService - Query on-chain state including balances, owned objects, and coin information
• MovePackageService - Query Move package information, functions, and datatypes
• SubscriptionService - Subscribe to real-time updates for checkpoints and transactions
• TransactionExecutionService - Execute transactions on the Sui network
• SignatureVerificationService - Verify transaction signatures

📚 Examples

See grpc_examples for complete usage examples.

Release v1.1.3

feat: upgrade golang.org/x/crypto to v0.46.0

Release v1.1.2

feat: upgrade golang.org/x/crypto to v0.42.0

• Fix critical authorization bypass in ServerConfig.PublicKeyCallback
• Resolve DoS vulnerability in key exchange process
• Update go.mod dependencies for security compliance

Fixes: security/dependabot #9, #10

Release v1.1.1

Changelog

[v1.0.0] - 2025-08-27

• Renamed the Event field to Type in MoveEventModule (#69).
• Eliminated duplicate code in sui/*.go (#71).
• Changed modules to byte[][] type (#72).

Release v1.1.0

🚀 Features

• Add NewSignerWithSecretKey function for ed25519 private key support (#63)

Release v1.0.9

🐛 Bug Fixes

• Replace github.com/tyler-smith/go-bip39 because of not found #57

Release v1.0.8

🐛 Bug Fixes
Fixed bcs decode issues #55

Release v1.0.7

✨ Features

• Support for Programmable Transactions, enabling more complex transaction workflows

• Support for BCS encoding/decoding

• Support for ZkLogin signature verification.

🐛 Bug Fixes

• Fixed the example for SuiDevInspectTransactionBlock to align with the latest API changes