Contracts

Package name: streamline (Sui testnet). Source: contracts/.

Core modules

Module	Role
`stream`	`create_stream` / `create_stream_v2`, raise, approve, drip, cancel, dispute, confidential variants
`private_stream`	Default private engagement — `open_engagement` / `settle_vested` / `claim_exit` over the shielded pool
`shielded_pool`	Note / nullifier Merkle pool (graph privacy primitive)
`lazy_stream`	Legacy lazy vest with plaintext parties (superseded as default by `private_stream`)
`giftcard`	ZK gift cards — vault + Poseidon commitment; amount hidden until claim
`yield_vault`	Deposit / redeem share receipts
`collateral`	Borrow / repay against a live stream
`treasury`	Pro treasury open / deposit / withdraw / invest
`confidential_balance`	Groth16 verify helpers (wrap / transfer / unwrap / lazydrip / shielded / private_settle)

App mode	Move surface
Full private (default)	`private_stream` + `shielded_pool`
Amounts-only	`stream::ConfidentialStream` + Seal openings
Public	`stream::Stream`

See Privacy for what each mode hides.

SDK v1 calls:

package::stream::create_stream_v2<USDC>

with clock 0x6, milestone vectors, and optional yield_bps.

Package and coin type IDs are exported from @streamline/sdk via resolveNetworkConfig("testnet") and mirrored in the frontend constants.

Full deployment notes: contracts/README.md.