Poc microcrate account

Cargo.toml

@@ -13,6 +13,7 @@ members = [
     "zingo-testvectors",
     "zingo-netutils",
     "zingo-memo",
+    "zingo-account",
 ]
 resolver = "2"
 

zingo-account/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "zingo-account"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+zcash_keys.workspace = true
+zcash_client_backend.workspace = true
+zip32.workspace = true

zingo-account/src/lib.rs

@@ -0,0 +1,28 @@
+//! A micro crate to provide a wrapper around the zcash_client_backend account trait.
+//! By constraining the wrapper to be independent of internal zingolib functionality
+//! we expose a shareable component, and refine the definition of zingolib.
+
+/// The a view-only abstraction that provides a management interface for
+/// TODO:  Explain more about our Account abstraction.
+pub struct ZingoAccount(
+    pub zip32::AccountId,
+    pub zcash_keys::keys::UnifiedFullViewingKey,
+);
+
+impl zcash_client_backend::data_api::Account<zip32::AccountId> for ZingoAccount {
+    fn id(&self) -> zip32::AccountId {
+        self.0
+    }
+
+    fn source(&self) -> zcash_client_backend::data_api::AccountSource {
+        unimplemented!()
+    }
+
+    fn ufvk(&self) -> Option<&zcash_keys::keys::UnifiedFullViewingKey> {
+        Some(&self.1)
+    }
+
+    fn uivk(&self) -> zcash_keys::keys::UnifiedIncomingViewingKey {
+        unimplemented!()
+    }
+}

zingolib/Cargo.toml

@@ -21,6 +21,7 @@ zingo-memo = { path = "../zingo-memo" }
 zingo-status = { path = "../zingo-status" }
 zingo-testvectors = { path = "../zingo-testvectors", optional = true }
 zingo-netutils = { path = "../zingo-netutils" }
+zingo-account = { path = "../zingo-account" }
 
 http-body = { workspace = true }
 hyper = { workspace = true }