From 3a34092e4cf152cf9ba29d2892cf103eb64befb5 Mon Sep 17 00:00:00 2001
From: Filipriec <filippriec@gmail.com>
Date: Sun, 23 Aug 2026 09:39:18 +0200
Subject: [PATCH] conversions2

---
 common/proto/ecb.proto          |  37 +++++++++++++++++++++-------
 common/src/proto/descriptor.bin | Bin 190995 -> 192348 bytes
 common/src/proto/komp_ac.ecb.rs |  41 ++++++++++++++++++++++++--------
 server                          |   2 +-
 4 files changed, 61 insertions(+), 19 deletions(-)

diff --git a/common/proto/ecb.proto b/common/proto/ecb.proto
index 6c679df2..a6cb4984 100644
--- a/common/proto/ecb.proto
+++ b/common/proto/ecb.proto
@@ -15,7 +15,8 @@ enum ExchangeRateDateRule {
 
 enum ExchangeRateSource {
   EXCHANGE_RATE_SOURCE_UNSPECIFIED = 0;
-  EXCHANGE_RATE_SOURCE_ECB = 1;
+  // The rate source's own published reference rate (ECB's, today).
+  EXCHANGE_RATE_SOURCE_OFFICIAL = 1;
   // A reusable rate from the profile's custom_exchange_rates table.
   EXCHANGE_RATE_SOURCE_SAVED_CUSTOM = 2;
   // A one-off rate recorded only in this posting's immutable evidence.
@@ -29,8 +30,9 @@ message ExchangeRateSelection {
   ExchangeRateSource source = 2;
   // Required for SPECIFIC_PUBLICATION_DATE and MANUAL; YYYY-MM-DD.
   optional string specific_rate_date = 3;
-  // Required only for MANUAL. Exact foreign-currency units per EUR.
-  optional string manual_units_per_eur = 4;
+  // Required only for MANUAL. Exact foreign-currency units per one unit of
+  // the rate source's pivot currency (EUR for ECB).
+  optional string manual_units_per_pivot = 4;
   // Required for SPECIFIC_PUBLICATION_DATE and MANUAL.
   string reason = 5;
 }
@@ -153,7 +155,7 @@ message PreviewEcbConversionResponse {
   string determination_method = 5;
   string rounding_method = 6;
   optional string rate_date = 7;
-  optional string units_per_eur = 8;
+  optional string units_per_pivot = 8;
   optional int64 rate_observation_id = 9;
   optional string observation_hash = 10;
   optional string source_payload_hash = 11;
@@ -162,8 +164,8 @@ message PreviewEcbConversionResponse {
   optional string source_endpoint = 14;
 
   // Present only when determination_method is custom_rate. rate_date and
-  // units_per_eur then describe the hand-entered row identified here, and the
-  // ECB observation fields above are empty.
+  // units_per_pivot then describe the hand-entered row identified here, and
+  // the ECB observation fields above are empty.
   optional int64 custom_rate_table_definition_id = 15;
   optional int64 custom_rate_record_id = 16;
   optional int64 custom_rate_row_revision = 17;
@@ -223,7 +225,7 @@ message EcbConversionEvidence {
   string determination_method = 8;
   string rounding_method = 9;
   optional string rate_date = 10;
-  optional string units_per_eur = 11;
+  optional string units_per_pivot = 11;
   optional int64 rate_observation_id = 12;
   optional string observation_hash = 13;
   optional string source_payload_hash = 14;
@@ -233,7 +235,7 @@ message EcbConversionEvidence {
   string evidence_created_at = 18;
 
   // Present only when determination_method is custom_rate. The hand-entered row
-  // that supplied rate_date and units_per_eur. The row itself stays editable, so
+  // that supplied rate_date and units_per_pivot. The row itself stays editable, so
   // the figures above are the immutable record of what was actually applied.
   optional int64 custom_rate_table_definition_id = 19;
   optional int64 custom_rate_record_id = 20;
@@ -253,6 +255,25 @@ message EcbConversionEvidence {
   // the original-currency-to-EUR leg's evidence_id, which produced this row's
   // original_amount/original_currency (always EUR).
   optional int64 derived_from_evidence_id = 26;
+
+  // The pivot currency of the rate source that priced this hop (EUR for
+  // every hop today). A rate-based hop always has this currency on exactly
+  // one side of original_currency/converted_currency.
+  string pivot_currency = 27;
+
+  // Which rate source's policy governs this hop's profile ("ecb" for every
+  // hop today). Absent only for already_same_currency, where no policy
+  // needed to be consulted. This is about which policy applies, not about
+  // who actually supplied this specific rate -- see observation_source_id
+  // for that.
+  optional string policy_source_id = 28;
+
+  // Which rate source actually supplied this hop's rate as its own official
+  // observation. Present only when determination_method is
+  // official_reference_rate; absent for custom_rate, manual_rate, and
+  // already_same_currency, since none of those were priced by the policy's
+  // source itself -- a human entered them.
+  optional string observation_source_id = 29;
 }
 
 message ListEcbConversionEvidenceResponse {
diff --git a/common/src/proto/descriptor.bin b/common/src/proto/descriptor.bin
index 4e234c520a9cdbe679725c6fcafe1a3274117bf7..846dbfca48dded5520e4f1e6b355d96ec2565dd8 100644
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diff --git a/common/src/proto/komp_ac.ecb.rs b/common/src/proto/komp_ac.ecb.rs
index 3cf183a2..191e4b09 100644
--- a/common/src/proto/komp_ac.ecb.rs
+++ b/common/src/proto/komp_ac.ecb.rs
@@ -10,9 +10,10 @@ pub struct ExchangeRateSelection {
     /// Required for SPECIFIC_PUBLICATION_DATE and MANUAL; YYYY-MM-DD.
     #[prost(string, optional, tag = "3")]
     pub specific_rate_date: ::core::option::Option<::prost::alloc::string::String>,
-    /// Required only for MANUAL. Exact foreign-currency units per EUR.
+    /// Required only for MANUAL. Exact foreign-currency units per one unit of
+    /// the rate source's pivot currency (EUR for ECB).
     #[prost(string, optional, tag = "4")]
-    pub manual_units_per_eur: ::core::option::Option<::prost::alloc::string::String>,
+    pub manual_units_per_pivot: ::core::option::Option<::prost::alloc::string::String>,
     /// Required for SPECIFIC_PUBLICATION_DATE and MANUAL.
     #[prost(string, tag = "5")]
     pub reason: ::prost::alloc::string::String,
@@ -142,7 +143,7 @@ pub struct PreviewEcbConversionResponse {
     #[prost(string, optional, tag = "7")]
     pub rate_date: ::core::option::Option<::prost::alloc::string::String>,
     #[prost(string, optional, tag = "8")]
-    pub units_per_eur: ::core::option::Option<::prost::alloc::string::String>,
+    pub units_per_pivot: ::core::option::Option<::prost::alloc::string::String>,
     #[prost(int64, optional, tag = "9")]
     pub rate_observation_id: ::core::option::Option<i64>,
     #[prost(string, optional, tag = "10")]
@@ -156,8 +157,8 @@ pub struct PreviewEcbConversionResponse {
     #[prost(string, optional, tag = "14")]
     pub source_endpoint: ::core::option::Option<::prost::alloc::string::String>,
     /// Present only when determination_method is custom_rate. rate_date and
-    /// units_per_eur then describe the hand-entered row identified here, and the
-    /// ECB observation fields above are empty.
+    /// units_per_pivot then describe the hand-entered row identified here, and
+    /// the ECB observation fields above are empty.
     #[prost(int64, optional, tag = "15")]
     pub custom_rate_table_definition_id: ::core::option::Option<i64>,
     #[prost(int64, optional, tag = "16")]
@@ -234,7 +235,7 @@ pub struct EcbConversionEvidence {
     #[prost(string, optional, tag = "10")]
     pub rate_date: ::core::option::Option<::prost::alloc::string::String>,
     #[prost(string, optional, tag = "11")]
-    pub units_per_eur: ::core::option::Option<::prost::alloc::string::String>,
+    pub units_per_pivot: ::core::option::Option<::prost::alloc::string::String>,
     #[prost(int64, optional, tag = "12")]
     pub rate_observation_id: ::core::option::Option<i64>,
     #[prost(string, optional, tag = "13")]
@@ -250,7 +251,7 @@ pub struct EcbConversionEvidence {
     #[prost(string, tag = "18")]
     pub evidence_created_at: ::prost::alloc::string::String,
     /// Present only when determination_method is custom_rate. The hand-entered row
-    /// that supplied rate_date and units_per_eur. The row itself stays editable, so
+    /// that supplied rate_date and units_per_pivot. The row itself stays editable, so
     /// the figures above are the immutable record of what was actually applied.
     #[prost(int64, optional, tag = "19")]
     pub custom_rate_table_definition_id: ::core::option::Option<i64>,
@@ -275,6 +276,25 @@ pub struct EcbConversionEvidence {
     /// original_amount/original_currency (always EUR).
     #[prost(int64, optional, tag = "26")]
     pub derived_from_evidence_id: ::core::option::Option<i64>,
+    /// The pivot currency of the rate source that priced this hop (EUR for
+    /// every hop today). A rate-based hop always has this currency on exactly
+    /// one side of original_currency/converted_currency.
+    #[prost(string, tag = "27")]
+    pub pivot_currency: ::prost::alloc::string::String,
+    /// Which rate source's policy governs this hop's profile ("ecb" for every
+    /// hop today). Absent only for already_same_currency, where no policy
+    /// needed to be consulted. This is about which policy applies, not about
+    /// who actually supplied this specific rate -- see observation_source_id
+    /// for that.
+    #[prost(string, optional, tag = "28")]
+    pub policy_source_id: ::core::option::Option<::prost::alloc::string::String>,
+    /// Which rate source actually supplied this hop's rate as its own official
+    /// observation. Present only when determination_method is
+    /// official_reference_rate; absent for custom_rate, manual_rate, and
+    /// already_same_currency, since none of those were priced by the policy's
+    /// source itself -- a human entered them.
+    #[prost(string, optional, tag = "29")]
+    pub observation_source_id: ::core::option::Option<::prost::alloc::string::String>,
 }
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ListEcbConversionEvidenceResponse {
@@ -335,7 +355,8 @@ impl ExchangeRateDateRule {
 #[repr(i32)]
 pub enum ExchangeRateSource {
     Unspecified = 0,
-    Ecb = 1,
+    /// The rate source's own published reference rate (ECB's, today).
+    Official = 1,
     /// A reusable rate from the profile's custom_exchange_rates table.
     SavedCustom = 2,
     /// A one-off rate recorded only in this posting's immutable evidence.
@@ -349,7 +370,7 @@ impl ExchangeRateSource {
     pub fn as_str_name(&self) -> &'static str {
         match self {
             Self::Unspecified => "EXCHANGE_RATE_SOURCE_UNSPECIFIED",
-            Self::Ecb => "EXCHANGE_RATE_SOURCE_ECB",
+            Self::Official => "EXCHANGE_RATE_SOURCE_OFFICIAL",
             Self::SavedCustom => "EXCHANGE_RATE_SOURCE_SAVED_CUSTOM",
             Self::Manual => "EXCHANGE_RATE_SOURCE_MANUAL",
         }
@@ -358,7 +379,7 @@ impl ExchangeRateSource {
     pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
         match value {
             "EXCHANGE_RATE_SOURCE_UNSPECIFIED" => Some(Self::Unspecified),
-            "EXCHANGE_RATE_SOURCE_ECB" => Some(Self::Ecb),
+            "EXCHANGE_RATE_SOURCE_OFFICIAL" => Some(Self::Official),
             "EXCHANGE_RATE_SOURCE_SAVED_CUSTOM" => Some(Self::SavedCustom),
             "EXCHANGE_RATE_SOURCE_MANUAL" => Some(Self::Manual),
             _ => None,
diff --git a/server b/server
index 0fc100a4..81f04101 160000
--- a/server
+++ b/server
@@ -1 +1 @@
-Subproject commit 0fc100a4342846eea066bd239d546f206568cd23
+Subproject commit 81f0410185afd59eb4f8a746dabdbacacd44146b