From 6c81ce3458b11384902715c41306f89085c81416 Mon Sep 17 00:00:00 2001
From: hopeyen <hopey1118@gmail.com>
Date: Mon, 26 Feb 2024 17:35:57 -0600
Subject: [PATCH] fix: receipt type and headers

---
 file-exchange/src/download_client/mod.rs    | 21 +++++++++------------
 file-exchange/src/download_client/signer.rs | 21 ++++++++++++++++++++-
 2 files changed, 29 insertions(+), 13 deletions(-)

diff --git a/file-exchange/src/download_client/mod.rs b/file-exchange/src/download_client/mod.rs
index 73226ad..251f2d4 100644
--- a/file-exchange/src/download_client/mod.rs
+++ b/file-exchange/src/download_client/mod.rs
@@ -18,22 +18,19 @@ use std::sync::{Arc, Mutex as StdMutex};
 use std::time::Duration;
 use tokio::sync::Mutex;
 
-use crate::{config::DownloaderArgs, discover, graphql};
-use crate::{config::OnChainArgs, errors::Error, transaction_manager::TransactionManager};
 use crate::{
+    config::{DownloaderArgs, OnChainArgs},
     discover::{Finder, ServiceEndpoint},
-    download_client::signer::Access,
-};
-use crate::{
-    graphql::escrow_query::escrow_balance,
+    errors::Error,
+    graphql::{allocation_id, escrow_query::escrow_balance},
     manifest::{
         file_hasher::verify_chunk, ipfs::IpfsClient, manifest_fetcher::read_bundle, Bundle,
         FileManifestMeta,
     },
+    transaction_manager::TransactionManager,
+    util::build_wallet,
 };
 
-use crate::util::build_wallet;
-
 use self::signer::ReceiptSigner;
 
 pub mod signer;
@@ -303,10 +300,11 @@ impl Downloader {
             PaymentMethod::PaidQuery(signer) => {
                 let receipt = signer
                     .receipt_signer
-                    .create_receipt(graphql::allocation_id(receiver), &discover::Finder::fees())
+                    .create_receipt(allocation_id(receiver), &Finder::fees())
                     .await?;
                 Ok((
-                    HeaderName::from_str("Scalar-Receipt").unwrap(),
+                    // HeaderName::from_str("Scalar-Receipt").unwrap(),
+                    HeaderName::from_str("scalar-receipt").unwrap(),
                     receipt.serialize(),
                 ))
             }
@@ -489,11 +487,10 @@ impl Downloader {
             if (estimated_buying_power_in_bytes as u64) < total_bytes {
                 let msg = format!("Balance is not enough to purchase {} bytes, look at the error message to see top-up recommendations for each account", estimated_buying_power_in_bytes);
                 return Err(Error::PricingError(msg));
-            } else {
-                tracing::info!("Balance is enough to purchase the file, go ahead to download");
             }
         };
 
+        tracing::info!("Balance is enough to purchase the file, go ahead to download");
         Ok(())
     }
 }
diff --git a/file-exchange/src/download_client/signer.rs b/file-exchange/src/download_client/signer.rs
index b9d8c21..7c13df1 100644
--- a/file-exchange/src/download_client/signer.rs
+++ b/file-exchange/src/download_client/signer.rs
@@ -51,7 +51,7 @@ impl ReceiptSigner {
         &self,
         allocation_id: Address,
         fee: &GRT,
-    ) -> Result<TapReceipt, Error> {
+    ) -> Result<ScalarReceipt, Error> {
         let nonce = rand::thread_rng().next_u64();
         let timestamp_ns = SystemTime::now()
             .duration_since(SystemTime::UNIX_EPOCH)
@@ -69,5 +69,24 @@ impl ReceiptSigner {
         EIP712SignedMessage::new(&self.domain, receipt, &wallet)
             .await
             .map_err(|e| Error::ContractError(e.to_string()))
+            .map(ScalarReceipt::TAP)
+    }
+}
+
+pub enum ScalarReceipt {
+    TAP(EIP712SignedMessage<Receipt>),
+}
+
+impl ScalarReceipt {
+    pub fn allocation(&self) -> Address {
+        match self {
+            ScalarReceipt::TAP(receipt) => receipt.message.allocation_id,
+        }
+    }
+
+    pub fn serialize(&self) -> String {
+        match self {
+            ScalarReceipt::TAP(receipt) => serde_json::to_string(&receipt).unwrap(),
+        }
     }
 }