feat: add tap v2 receipt parser

Signed-off-by: Gustavo Inacio <[email protected]>

Author: gusinacio

Cargo.lock

@@ -52,14 +52,15 @@ uuid = { version = "1.11.0", features = ["v7"] }
 tracing = { version = "0.1.40", default-features = false }
 bigdecimal = "0.4.3"
 build-info = "0.0.39"
-tap_core = { git = "https://github.com/semiotic-ai/timeline-aggregation-protocol", rev = "1c6e29f", default-features = false }
-tap_aggregator = { git = "https://github.com/semiotic-ai/timeline-aggregation-protocol", rev = "1c6e29f", default-features = false }
+tap_core = { git = "https://github.com/semiotic-ai/timeline-aggregation-protocol", rev = "3c56018", default-features = false }
+tap_core_v2 = { git = "https://github.com/semiotic-ai/timeline-aggregation-protocol", rev = "1dada3e", package = "tap_core" }
+tap_aggregator = { git = "https://github.com/semiotic-ai/timeline-aggregation-protocol", rev = "3c56018", default-features = false }
 tracing-subscriber = { version = "0.3", features = [
     "json",
     "env-filter",
     "ansi",
 ], default-features = false }
-thegraph-core = { version = "0.9.6", features = [
+thegraph-core = { git = "https://github.com/edgeandnode/toolshed", rev= "d710e05", features = [
     "attestation",
     "alloy-eip712",
     "alloy-sol-types",

Cargo.toml

@@ -37,6 +37,7 @@ async-graphql-axum = "7.0.11"
 base64.workspace = true
 graphql = { git = "https://github.com/edgeandnode/toolshed", tag = "graphql-v0.3.0" }
 tap_core.workspace = true
+tap_core_v2.workspace = true
 uuid.workspace = true
 typed-builder.workspace = true
 tower_governor = { version = "0.5.0", features = ["axum"] }

crates/service/Cargo.toml

@@ -14,10 +14,15 @@ use crate::service::TapReceipt;
 ///
 /// This is useful to not deserialize multiple times the same receipt
 pub async fn receipt_middleware(mut request: Request, next: Next) -> Response {
-    if let Ok(TypedHeader(TapReceipt(receipt))) =
-        request.extract_parts::<TypedHeader<TapReceipt>>().await
-    {
-        request.extensions_mut().insert(receipt);
+    if let Ok(TypedHeader(receipt)) = request.extract_parts::<TypedHeader<TapReceipt>>().await {
+        match receipt {
+            TapReceipt::V1(receipt) => {
+                request.extensions_mut().insert(receipt);
+            }
+            TapReceipt::V2(receipt) => {
+                request.extensions_mut().insert(receipt);
+            }
+        }
     }
     next.run(request).await
 }

crates/service/src/middleware/tap_receipt.rs

@@ -4,10 +4,81 @@
 use axum_extra::headers::{self, Header, HeaderName, HeaderValue};
 use lazy_static::lazy_static;
 use prometheus::{register_counter, Counter};
-use tap_core::receipt::SignedReceipt;
+use serde::de;
+use serde_json::Value;
+use tap_core::receipt::SignedReceipt as SignedReceiptV1;
+use tap_core_v2::receipt::SignedReceipt as SignedReceiptV2;
 
-#[derive(Debug, PartialEq)]
-pub struct TapReceipt(pub SignedReceipt);
+#[derive(Debug, PartialEq, Clone, serde::Serialize)]
+#[serde(untagged)]
+pub enum TapReceipt {
+    V1(SignedReceiptV1),
+    V2(SignedReceiptV2),
+}
+
+impl<'de> serde::Deserialize<'de> for TapReceipt {
+    fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
+    where
+        D: serde::Deserializer<'de>,
+    {
+        let temp = Value::deserialize(deserializer)?;
+
+        let is_v1 = temp
+            .as_object()
+            .ok_or(de::Error::custom("Didn't receive an object"))?
+            .get("message")
+            .ok_or(de::Error::custom("There's no message in the object"))?
+            .as_object()
+            .ok_or(de::Error::custom("Message is not an object"))?
+            .contains_key("allocation_id");
+
+        if is_v1 {
+            // Try V1 first
+            serde_json::from_value::<SignedReceiptV1>(temp)
+                .map(TapReceipt::V1)
+                .map_err(de::Error::custom)
+        } else {
+            // Fall back to V2
+            serde_json::from_value::<SignedReceiptV2>(temp)
+                .map(TapReceipt::V2)
+                .map_err(de::Error::custom)
+        }
+    }
+}
+
+impl From<SignedReceiptV1> for TapReceipt {
+    fn from(value: SignedReceiptV1) -> Self {
+        Self::V1(value)
+    }
+}
+
+impl From<SignedReceiptV2> for TapReceipt {
+    fn from(value: SignedReceiptV2) -> Self {
+        Self::V2(value)
+    }
+}
+
+impl TryFrom<TapReceipt> for SignedReceiptV1 {
+    type Error = anyhow::Error;
+
+    fn try_from(value: TapReceipt) -> Result<Self, Self::Error> {
+        match value {
+            TapReceipt::V2(_) => Err(anyhow::anyhow!("TapReceipt is V2")),
+            TapReceipt::V1(receipt) => Ok(receipt),
+        }
+    }
+}
+
+impl TryFrom<TapReceipt> for SignedReceiptV2 {
+    type Error = anyhow::Error;
+
+    fn try_from(value: TapReceipt) -> Result<Self, Self::Error> {
+        match value {
+            TapReceipt::V1(_) => Err(anyhow::anyhow!("TapReceipt is V1")),
+            TapReceipt::V2(receipt) => Ok(receipt),
+        }
+    }
+}
 
 lazy_static! {
     static ref TAP_RECEIPT: HeaderName = HeaderName::from_static("tap-receipt");
@@ -30,9 +101,9 @@ impl Header for TapReceipt {
             let raw_receipt = raw_receipt
                 .to_str()
                 .map_err(|_| headers::Error::invalid())?;
-            let parsed_receipt =
+            let parsed_receipt: TapReceipt =
                 serde_json::from_str(raw_receipt).map_err(|_| headers::Error::invalid())?;
-            Ok(TapReceipt(parsed_receipt))
+            Ok(parsed_receipt)
         };
         execute().inspect_err(|_| TAP_RECEIPT_INVALID.inc())
     }
@@ -49,20 +120,54 @@ impl Header for TapReceipt {
 mod test {
     use axum::http::HeaderValue;
     use axum_extra::headers::Header;
-    use test_assets::{create_signed_receipt, SignedReceiptRequest};
+    use test_assets::{
+        create_signed_receipt, create_signed_receipt_v2, SignedReceiptRequest,
+        SignedReceiptV2Request,
+    };
 
     use super::TapReceipt;
 
     #[tokio::test]
     async fn test_decode_valid_tap_receipt_header() {
         let original_receipt = create_signed_receipt(SignedReceiptRequest::builder().build()).await;
         let serialized_receipt = serde_json::to_string(&original_receipt).unwrap();
-        let header_value = HeaderValue::from_str(&serialized_receipt).unwrap();
+
+        let original_receipt_v1: TapReceipt = original_receipt.clone().into();
+        let serialized_receipt_v1 = serde_json::to_string(&original_receipt_v1).unwrap();
+
+        assert_eq!(serialized_receipt, serialized_receipt_v1);
+
+        println!("Was able to serialize properly: {serialized_receipt_v1:?}");
+        let deserialized: TapReceipt = serde_json::from_str(&serialized_receipt_v1).unwrap();
+        println!("Was able to deserialize properly: {deserialized:?}");
+        let header_value = HeaderValue::from_str(&serialized_receipt_v1).unwrap();
+        let header_values = vec![&header_value];
+        let decoded_receipt = TapReceipt::decode(&mut header_values.into_iter())
+            .expect("tap receipt header value should be valid");
+
+        assert_eq!(decoded_receipt, original_receipt.into());
+    }
+
+    #[tokio::test]
+    async fn test_decode_valid_tap_v2_receipt_header() {
+        let original_receipt =
+            create_signed_receipt_v2(SignedReceiptV2Request::builder().build()).await;
+        let serialized_receipt = serde_json::to_string(&original_receipt).unwrap();
+
+        let original_receipt_v1: TapReceipt = original_receipt.clone().into();
+        let serialized_receipt_v1 = serde_json::to_string(&original_receipt_v1).unwrap();
+
+        assert_eq!(serialized_receipt, serialized_receipt_v1);
+
+        println!("Was able to serialize properly: {serialized_receipt_v1:?}");
+        let deserialized: TapReceipt = serde_json::from_str(&serialized_receipt_v1).unwrap();
+        println!("Was able to deserialize properly: {deserialized:?}");
+        let header_value = HeaderValue::from_str(&serialized_receipt_v1).unwrap();
         let header_values = vec![&header_value];
         let decoded_receipt = TapReceipt::decode(&mut header_values.into_iter())
             .expect("tap receipt header value should be valid");
 
-        assert_eq!(decoded_receipt, TapReceipt(original_receipt));
+        assert_eq!(decoded_receipt, original_receipt.into());
     }
 
     #[test]

crates/service/src/service/tap_receipt_header.rs

@@ -1258,8 +1258,7 @@ pub mod tests {
         ));
 
         // Stop the TAP aggregator server.
-        handle.stop().unwrap();
-        handle.stopped().await;
+        handle.abort();
     }
 
     #[sqlx::test(migrations = "../../migrations")]

crates/tap-agent/src/agent/sender_allocation.rs

@@ -8,6 +8,7 @@ indexer-allocation = { path = "../allocation" }
 bip39 = "2.0.0"
 lazy_static.workspace = true
 tap_core.workspace = true
+tap_core_v2.workspace = true
 thegraph-core.workspace = true
 typed-builder.workspace = true
 tokio.workspace = true

crates/test-assets/Cargo.toml

@@ -15,6 +15,12 @@ use tap_core::{
     signed_message::EIP712SignedMessage,
     tap_eip712_domain,
 };
+
+use tap_core_v2::{
+    receipt::{Receipt as ReceiptV2, SignedReceipt as SignedReceiptV2},
+    signed_message::EIP712SignedMessage as EIP712SignedMessageV2,
+    // tap_eip712_domain as tap_eip712_domain_v2,
+};
 use thegraph_core::{
     alloy::{
         primitives::{address, Address, U256},
@@ -353,6 +359,53 @@ pub async fn create_signed_receipt(
     .unwrap()
 }
 
+#[derive(TypedBuilder)]
+pub struct SignedReceiptV2Request {
+    #[builder(default = Address::ZERO)]
+    payer: Address,
+    #[builder(default = Address::ZERO)]
+    data_service: Address,
+    #[builder(default = Address::ZERO)]
+    service_provider: Address,
+    #[builder(default)]
+    nonce: u64,
+    #[builder(default_code = r#"SystemTime::now()
+            .duration_since(UNIX_EPOCH)
+            .unwrap()
+            .as_nanos() as u64"#)]
+    timestamp_ns: u64,
+    #[builder(default = 1)]
+    value: u128,
+}
+
+pub async fn create_signed_receipt_v2(
+    SignedReceiptV2Request {
+        payer,
+        data_service,
+        service_provider,
+        nonce,
+        timestamp_ns,
+        value,
+    }: SignedReceiptV2Request,
+) -> SignedReceiptV2 {
+    let (wallet, _) = &*self::TAP_SIGNER;
+
+    EIP712SignedMessageV2::new(
+        &self::TAP_EIP712_DOMAIN,
+        ReceiptV2 {
+            payer,
+            data_service,
+            service_provider,
+            nonce,
+            timestamp_ns,
+            value,
+        },
+        wallet,
+    )
+    .unwrap()
+}
+
+
 pub async fn flush_messages(notify: &Notify) {
     loop {
         if tokio::time::timeout(Duration::from_millis(10), notify.notified())