[Agent: cross-repo-impact] Support max_tx_weight and max_op_return_outputs from GetInfo

[arkanaai]

Cross-Repo API Sync

Source: go-sdk#118 merged to master at 2026-03-25T14:21:54Z
Proto change: GetInfoResponse gained two new fields from arkd

New fields in GetInfoResponse

int64 max_tx_weight = 20;
int64 max_op_return_outputs = 21;

Required changes

• Update GetInfoResponse struct to include max_tx_weight and max_op_return_outputs
• Expose these constraints via the Rust SDK's info type so callers can validate transaction construction against server-side limits
• max_tx_weight: maximum allowed transaction weight — useful for fee estimation and batching
• max_op_return_outputs: maximum allowed OP_RETURN outputs per transaction

Related

• go-sdk#118 (source of truth — protos updated here)
• dotnet-sdk#43 (same change tracked for .NET)

[from: cross-repo-impact]