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feat(sdk): submit appData hash-only and retire resolve_app_data #261

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Merged
mfw78 merged 4 commits into from
Jul 14, 2026
Merged

feat(sdk): submit appData hash-only and retire resolve_app_data #261

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14b5338
feat(cow-ext): carry the orderbook rejection data payload to the guest
mfw78 Jul 6, 2026
a90e12a
refactor(cow-sdk): drop the stale ApiError prelude re-export
mfw78 Jul 6, 2026
8995c84
docs(cow): fix the OrderRejection.data and prelude surface docs
mfw78 Jul 8, 2026
aeee3d0
feat(sdk + twap-monitor): submit appData hash-only and retire resolve…
mfw78 Jul 6, 2026
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42 changes: 18 additions & 24 deletions Cargo.lock
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10 changes: 9 additions & 1 deletion Cargo.toml
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Expand Up @@ -100,7 +100,7 @@ alloy-chains = { version = "0.2", default-features = false, features = ["std", "
# hoisting). The engine takes `http-client` for `OrderBookApi`;
# guest-side consumers (SDK, strategies) express their own
# `default-features = false` builds for the `cdylib` wasm target.
cowprotocol = { version = "0.1.0", default-features = false, features = ["http-client"] }
cowprotocol = { version = "0.2.0", default-features = false, features = ["http-client"] }

# HTTP transport for `cow_api::request` REST passthrough and the
# orderbook-mock test surface.
Expand Down Expand Up @@ -183,6 +183,14 @@ unsafe_op_in_unsafe_fn = "warn"
dbg_macro = "deny"
todo = "deny"

# `cowprotocol` 0.2.0 (the `OrderCreationAppData` hash-only submission
# shape plus the WASI clock fix that keeps `js_sys` out of non-browser
# wasm builds) is not published yet; the latest crates.io release is
# 0.2.0-alpha.1 without either. Patch to the cow-rs rev carrying both.
# Drop once a cowprotocol release with the hash-only constructor ships.
[patch.crates-io]
cowprotocol = { git = "https://github.com/nullislabs/cow-rs", rev = "17fc0c5f55d04fad38963911da07d5da9290fefb" }

[profile.dev]
panic = "abort"

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2 changes: 1 addition & 1 deletion crates/shepherd-cow-host/src/cow_orderbook/tests.rs
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Expand Up @@ -261,7 +261,7 @@ fn sample_order_json() -> String {
buy_token_balance: BuyTokenDestination::Erc20,
};
let signature = Signature::from_bytes(SigningScheme::PreSign, &[]).expect("presign empty");
let creation = OrderCreation::from_signed_order_data(
let creation = OrderCreation::new(
&order_data,
signature,
Address::from([0x03; 20]),
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3 changes: 1 addition & 2 deletions crates/shepherd-sdk/Cargo.toml
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Expand Up @@ -13,10 +13,9 @@ description = "CoW-domain guest SDK for Shepherd modules: cow-api host trait, or

[dependencies]
nexum-sdk = { path = "../nexum-sdk" }
cowprotocol = { version = "0.1.0", default-features = false }
cowprotocol = { version = "0.2.0", default-features = false }
alloy-primitives.workspace = true
alloy-sol-types.workspace = true
serde_json.workspace = true
strum.workspace = true
thiserror.workspace = true

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4 changes: 1 addition & 3 deletions crates/shepherd-sdk/README.md
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Expand Up @@ -25,7 +25,6 @@ use shepherd_sdk::cow::{gpv2_to_order_data, classify_api_error, RetryAction};
| `cow::order` | `gpv2_to_order_data` - `GPv2OrderData` -> typed `OrderData`. |
| `cow::composable` | `sol! IConditionalOrder` errors + `PollOutcome` + `decode_revert` + `decode_revert_hex`. |
| `cow::error` | `CowApiError` (mirror of `cow-api-error`: `Fault` / `Http` / `Rejected`) + `RetryAction` enum + `classify_api_error` over an `OrderRejection`. |
| `cow::app_data` | `resolve_app_data` - appData hash -> canonical JSON document. |
| `wit_bindgen_macro` | `bind_cow_host_via_wit_bindgen!` - the generic `WitBindgenHost` adapter plus the `CowApiHost` impl. |

## Testing modules host-free
Expand Down Expand Up @@ -64,8 +63,7 @@ crates/shepherd-sdk/
│ │ ├── mod.rs CowApiHost + CowHost
│ │ ├── order.rs gpv2_to_order_data
│ │ ├── composable.rs IConditionalOrder + PollOutcome + decode_revert(_hex)
│ │ ├── error.rs RetryAction + classify_api_error
│ │ └── app_data.rs resolve_app_data
│ │ └── error.rs RetryAction + classify_api_error
│ └── wit_bindgen_macro.rs bind_cow_host_via_wit_bindgen!
└── README.md you are here

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