Move functionality to BlockChainSource: t-address rpcs

CHANGELOG.md

@@ -7,8 +7,12 @@ and this library adheres to Rust's notion of
 
 ## Unreleased
 - [943] Zallet regtest fixes
+- [1065] Move functionality to BlockChainSource: t-address rpcs
 
-### Added 
+### Added
+- `zaino-state::chain_index::source::BlockchainSource` and
+  `zaino-state::chain_index::ChainIndex` now expose transparent-address query
+  methods for deltas, balances, txids, and UTXOs.
 ### Changed
 - `JsonRpSeeConnector::get_tree_state` now returns a `GetTreestateResponse`
   whose `sapling` and `orchard` fields are optional. In regtest mode, these

packages/zaino-fetch/src/jsonrpsee/response/address_deltas.rs

@@ -172,6 +172,30 @@ pub struct AddressDelta {
 }
 
 impl AddressDelta {
+    /// Creates a transparent address delta from already-indexed address-history data.
+    ///
+    /// This is used by backing stores and test sources that already know the
+    /// address, value, transaction location, and input/output index. It avoids
+    /// forcing those implementations to build partial `TransactionObject`
+    /// values solely to immediately decompose them again.
+    pub fn new(
+        satoshis: i64,
+        txid: String,
+        index: u32,
+        height: u32,
+        address: String,
+        block_index: Option<u32>,
+    ) -> Self {
+        Self {
+            satoshis,
+            txid,
+            index,
+            height,
+            address,
+            block_index,
+        }
+    }
+
     /// Create a delta from a transaction input (spend - negative value)
     pub fn from_input(
         input: &Input,

packages/zaino-state/CHANGELOG.md

@@ -32,6 +32,18 @@ and this library adheres to Rust's notion of
       - `BlockIndex::try_from_wire(proto::BlockId) -> Result<Self, WireBlockIdError>`
       - new error enum `WireBlockIdError` (`HashWrongLength`, `HeightOverflow`)
 - `local_cache::compact_block_with_pool_types`
+- `source::BlockchainSource` and implementors now expose transparent-address
+  methods:
+  - `get_address_deltas`
+  - `get_address_balance`
+  - `get_address_txids`
+  - `get_address_utxos`
+- `ChainIndex` and `NodeBackedChainIndexSubscriber` now expose transparent-address
+  query methods:
+  - `get_address_deltas`
+  - `get_address_balance`
+  - `get_address_txids`
+  - `get_address_utxos`
 ### Changed
 - `get_mempool_tx` now takes `GetMempoolTxRequest` as parameter
 - `chain_index::finalised_state`
@@ -54,6 +66,10 @@ and this library adheres to Rust's notion of
     `chain_index::types::BlockIndex` (was briefly `non_finalized_state::BlockIdent`
     earlier in the same unreleased cycle); its inner field is now named `hash`
     (previously `blockhash`), and it gains `Eq`/`Hash` derives.
+- `FetchService` and `StateService` now serve the get_raw_transaction RPC through
+  `ChainIndex`.
+- `FetchService` and `StateService` now serve the transparent-address RPCs through
+  `ChainIndex`.
 
 ### Deprecated
 - `GetTaddressTxids` is replaced by `GetTaddressTransactions`