From 6fa96f69173c340731da861d98db7ba6cfdcd5fe Mon Sep 17 00:00:00 2001
From: Jack Grigg <jack@electriccoin.co>
Date: Tue, 15 Oct 2024 05:19:57 +0000
Subject: [PATCH] zcash_client_sqlite: Migrate from `schemer` to `schemerz`

---
 Cargo.lock                                     | 18 +++++++++---------
 Cargo.toml                                     |  4 ++--
 supply-chain/audits.toml                       | 12 ++++++++++++
 supply-chain/config.toml                       |  8 --------
 supply-chain/imports.lock                      | 14 ++++++++++++++
 zcash_client_sqlite/CHANGELOG.md               |  3 +++
 zcash_client_sqlite/Cargo.toml                 |  4 ++--
 zcash_client_sqlite/src/chain/init.rs          |  4 ++--
 .../src/chain/migrations/blockmeta.rs          |  6 +++---
 zcash_client_sqlite/src/wallet/db.rs           |  4 ++--
 zcash_client_sqlite/src/wallet/init.rs         | 14 +++++++-------
 .../src/wallet/init/migrations.rs              |  2 +-
 .../init/migrations/add_account_birthdays.rs   |  4 ++--
 .../init/migrations/add_transaction_views.rs   |  4 ++--
 .../wallet/init/migrations/add_utxo_account.rs |  7 +++----
 .../wallet/init/migrations/addresses_table.rs  |  5 ++---
 .../migrations/ensure_orchard_ua_receiver.rs   |  4 ++--
 .../init/migrations/ephemeral_addresses.rs     |  6 ++----
 .../migrations/fix_broken_commitment_trees.rs  |  7 +++----
 .../wallet/init/migrations/full_account_ids.rs |  4 ++--
 .../wallet/init/migrations/initial_setup.rs    |  6 ++----
 .../wallet/init/migrations/nullifier_map.rs    |  4 ++--
 .../init/migrations/orchard_received_notes.rs  |  4 ++--
 .../init/migrations/orchard_shardtree.rs       |  4 ++--
 .../migrations/received_notes_nullable_nf.rs   |  6 ++----
 .../init/migrations/receiving_key_scopes.rs    |  7 +++----
 .../migrations/sapling_memo_consistency.rs     |  4 ++--
 .../init/migrations/sent_notes_to_internal.rs  |  6 ++----
 .../init/migrations/shardtree_support.rs       |  7 +++----
 .../init/migrations/spend_key_available.rs     |  6 ++----
 .../init/migrations/support_legacy_sqlite.rs   |  6 ++----
 .../init/migrations/tx_retrieval_queue.rs      |  4 ++--
 .../src/wallet/init/migrations/ufvk_support.rs |  7 +++----
 .../src/wallet/init/migrations/utxos_table.rs  |  6 ++----
 .../wallet/init/migrations/utxos_to_txos.rs    |  6 ++----
 .../v_sapling_shard_unscanned_ranges.rs        |  4 ++--
 .../init/migrations/v_transactions_net.rs      |  7 +++----
 .../v_transactions_note_uniqueness.rs          |  4 ++--
 .../v_transactions_shielding_balance.rs        |  4 ++--
 .../v_transactions_transparent_history.rs      |  4 ++--
 .../v_tx_outputs_use_legacy_false.rs           |  4 ++--
 .../wallet/init/migrations/wallet_summaries.rs |  4 ++--
 42 files changed, 123 insertions(+), 125 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 6d81ef639d..dfd62758d1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3695,10 +3695,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "schemer"
-version = "0.2.1"
+name = "schemerz"
+version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "835d8f9478fd2936195fc941a8666b0d0894d5bf3631cbb884a8ce8ba631f339"
+checksum = "ef620a7502b464270648afce68f6e736a87380854b3e4a6debd5a42e3e88c954"
 dependencies = [
  "daggy",
  "log",
@@ -3707,13 +3707,13 @@ dependencies = [
 ]
 
 [[package]]
-name = "schemer-rusqlite"
-version = "0.2.2"
+name = "schemerz-rusqlite"
+version = "0.290.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fb5ac1fa52c58e2c6a618e3149d464e7ad8d0effca74990ea29c1fe2338b3b1"
+checksum = "51240765dba899b938627b7e0e8fdceb211fe2b2310385cf9ddc9c2a733d671d"
 dependencies = [
  "rusqlite",
- "schemer",
+ "schemerz",
  "uuid",
 ]
 
@@ -5925,8 +5925,8 @@ dependencies = [
  "regex",
  "rusqlite",
  "sapling-crypto",
- "schemer",
- "schemer-rusqlite",
+ "schemerz",
+ "schemerz-rusqlite",
  "secrecy",
  "shardtree",
  "static_assertions",
diff --git a/Cargo.toml b/Cargo.toml
index 89f067c7e9..a43f23e6b0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -124,8 +124,8 @@ subtle = "2.2.3"
 #   CocoaPods, due to being bound to React Native. We need to ensure that the SQLite
 #   version required for `rusqlite` is a version that is available through CocoaPods.
 rusqlite = { version = "0.29.0", features = ["bundled"] }
-schemer = "0.2"
-schemer-rusqlite = "0.2.2"
+schemerz = "0.1"
+schemerz-rusqlite = "0.290"
 time = "0.3.22"
 uuid = "1.1"
 
diff --git a/supply-chain/audits.toml b/supply-chain/audits.toml
index 1c94159afd..ceb57dc0a2 100644
--- a/supply-chain/audits.toml
+++ b/supply-chain/audits.toml
@@ -717,6 +717,18 @@ user-id = 169181 # Kris Nuttycombe (nuttycom)
 start = "2024-08-12"
 end = "2025-08-12"
 
+[[trusted.schemerz]]
+criteria = "safe-to-deploy"
+user-id = 6289 # Jack Grigg (str4d)
+start = "2024-10-15"
+end = "2025-10-15"
+
+[[trusted.schemerz-rusqlite]]
+criteria = "safe-to-deploy"
+user-id = 6289 # Jack Grigg (str4d)
+start = "2024-10-15"
+end = "2025-10-15"
+
 [[trusted.shardtree]]
 criteria = "safe-to-deploy"
 user-id = 169181 # Kris Nuttycombe (nuttycom)
diff --git a/supply-chain/config.toml b/supply-chain/config.toml
index 3a91af1c79..b1fb9e7ed5 100644
--- a/supply-chain/config.toml
+++ b/supply-chain/config.toml
@@ -1042,14 +1042,6 @@ criteria = "safe-to-deploy"
 version = "0.5.0"
 criteria = "safe-to-deploy"
 
-[[exemptions.schemer]]
-version = "0.2.1"
-criteria = "safe-to-deploy"
-
-[[exemptions.schemer-rusqlite]]
-version = "0.2.2"
-criteria = "safe-to-deploy"
-
 [[exemptions.scopeguard]]
 version = "1.1.0"
 criteria = "safe-to-deploy"
diff --git a/supply-chain/imports.lock b/supply-chain/imports.lock
index 02f393f119..fe35403d10 100644
--- a/supply-chain/imports.lock
+++ b/supply-chain/imports.lock
@@ -76,6 +76,20 @@ user-id = 169181
 user-login = "nuttycom"
 user-name = "Kris Nuttycombe"
 
+[[publisher.schemerz]]
+version = "0.1.0"
+when = "2024-10-15"
+user-id = 6289
+user-login = "str4d"
+user-name = "Jack Grigg"
+
+[[publisher.schemerz-rusqlite]]
+version = "0.290.0"
+when = "2024-10-15"
+user-id = 6289
+user-login = "str4d"
+user-name = "Jack Grigg"
+
 [[publisher.shardtree]]
 version = "0.5.0"
 when = "2024-10-04"
diff --git a/zcash_client_sqlite/CHANGELOG.md b/zcash_client_sqlite/CHANGELOG.md
index c013d0a028..88c52485e9 100644
--- a/zcash_client_sqlite/CHANGELOG.md
+++ b/zcash_client_sqlite/CHANGELOG.md
@@ -11,6 +11,9 @@ and this library adheres to Rust's notion of
 - Exposed `AccountId::from_u32` and `AccountId::as_u32` conversions under the
   `unstable` feature flag.
 
+### Changed
+- Migrated from `schemer` to our fork `schemerz`.
+
 ## [0.12.1] - 2024-10-10
 
 ### Fixed
diff --git a/zcash_client_sqlite/Cargo.toml b/zcash_client_sqlite/Cargo.toml
index e1db2d2130..f37bdfa17e 100644
--- a/zcash_client_sqlite/Cargo.toml
+++ b/zcash_client_sqlite/Cargo.toml
@@ -67,8 +67,8 @@ shardtree = { workspace = true, features = ["legacy-api"] }
 
 # - SQLite databases
 rusqlite = { workspace = true, features = ["time", "array"] }
-schemer.workspace = true
-schemer-rusqlite.workspace = true
+schemerz.workspace = true
+schemerz-rusqlite.workspace = true
 time.workspace = true
 uuid.workspace = true
 regex = "1.4"
diff --git a/zcash_client_sqlite/src/chain/init.rs b/zcash_client_sqlite/src/chain/init.rs
index 53f6d50aed..8da54d7759 100644
--- a/zcash_client_sqlite/src/chain/init.rs
+++ b/zcash_client_sqlite/src/chain/init.rs
@@ -5,8 +5,8 @@ use crate::BlockDb;
 use {
     super::migrations,
     crate::FsBlockDb,
-    schemer::{Migrator, MigratorError},
-    schemer_rusqlite::RusqliteAdapter,
+    schemerz::{Migrator, MigratorError},
+    schemerz_rusqlite::RusqliteAdapter,
 };
 
 /// Sets up the internal structure of the cache database.
diff --git a/zcash_client_sqlite/src/chain/migrations/blockmeta.rs b/zcash_client_sqlite/src/chain/migrations/blockmeta.rs
index 854ccd6fcf..72f8fc5716 100644
--- a/zcash_client_sqlite/src/chain/migrations/blockmeta.rs
+++ b/zcash_client_sqlite/src/chain/migrations/blockmeta.rs
@@ -1,4 +1,4 @@
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 
 pub fn all_migrations() -> Vec<Box<dyn RusqliteMigration<Error = rusqlite::Error>>> {
     vec![Box::new(init::Migration {})]
@@ -6,8 +6,8 @@ pub fn all_migrations() -> Vec<Box<dyn RusqliteMigration<Error = rusqlite::Error
 
 pub mod init {
     use rusqlite::{self};
-    use schemer::{self, migration};
-    use schemer_rusqlite::RusqliteMigration;
+    use schemerz::{self, migration};
+    use schemerz_rusqlite::RusqliteMigration;
     use uuid::Uuid;
 
     pub struct Migration;
diff --git a/zcash_client_sqlite/src/wallet/db.rs b/zcash_client_sqlite/src/wallet/db.rs
index 7dc4a00836..69ef0224e0 100644
--- a/zcash_client_sqlite/src/wallet/db.rs
+++ b/zcash_client_sqlite/src/wallet/db.rs
@@ -662,8 +662,8 @@ pub(super) const INDEX_NF_MAP_LOCATOR_IDX: &str =
 // Internal tables
 //
 
-/// Internal table used by [`schemer`] to manage migrations.
-pub(super) const TABLE_SCHEMER_MIGRATIONS: &str = "
+/// Internal table used by [`schemerz`] to manage migrations.
+pub(super) const TABLE_SCHEMERZ_MIGRATIONS: &str = "
 CREATE TABLE schemer_migrations (
     id blob PRIMARY KEY
 )";
diff --git a/zcash_client_sqlite/src/wallet/init.rs b/zcash_client_sqlite/src/wallet/init.rs
index 1e50c7e8e8..8cb9b95326 100644
--- a/zcash_client_sqlite/src/wallet/init.rs
+++ b/zcash_client_sqlite/src/wallet/init.rs
@@ -4,8 +4,8 @@ use std::fmt;
 use std::rc::Rc;
 
 use regex::Regex;
-use schemer::{Migrator, MigratorError};
-use schemer_rusqlite::RusqliteAdapter;
+use schemerz::{Migrator, MigratorError};
+use schemerz_rusqlite::RusqliteAdapter;
 use secrecy::SecretVec;
 use shardtree::error::ShardTreeError;
 use uuid::Uuid;
@@ -240,7 +240,7 @@ fn sqlite_client_error_to_wallet_migration_error(e: SqliteClientError) -> Wallet
 /// In order to correctly apply migrations to accounts derived from a seed, sometimes the
 /// optional `seed` argument is required. This function should first be invoked with
 /// `seed` set to `None`; if a pending migration requires the seed, the function returns
-/// `Err(schemer::MigratorError::Migration { error: WalletMigrationError::SeedRequired, .. })`.
+/// `Err(schemerz::MigratorError::Migration { error: WalletMigrationError::SeedRequired, .. })`.
 /// The caller can then re-call this function with the necessary seed.
 ///
 /// > Note that currently only one seed can be provided; as such, wallets containing
@@ -251,8 +251,8 @@ fn sqlite_client_error_to_wallet_migration_error(e: SqliteClientError) -> Wallet
 /// _relevance_: if any account in the wallet for which [`Account::source`] is
 /// [`AccountSource::Derived`] can be derived from the given seed, the seed is relevant to
 /// the wallet. If the given seed is not relevant, the function returns
-/// `Err(schemer::MigratorError::Migration { error: WalletMigrationError::SeedNotRelevant, .. })`
-/// or `Err(schemer::MigratorError::Adapter(WalletMigrationError::SeedNotRelevant))`.
+/// `Err(schemerz::MigratorError::Migration { error: WalletMigrationError::SeedNotRelevant, .. })`
+/// or `Err(schemerz::MigratorError::Adapter(WalletMigrationError::SeedNotRelevant))`.
 ///
 /// We do not check whether the seed is relevant to any imported account, because that
 /// would require brute-forcing the ZIP 32 account index space. Consequentially, imported
@@ -480,7 +480,7 @@ mod tests {
             db::TABLE_SAPLING_TREE_CHECKPOINTS,
             db::TABLE_SAPLING_TREE_SHARDS,
             db::TABLE_SCAN_QUEUE,
-            db::TABLE_SCHEMER_MIGRATIONS,
+            db::TABLE_SCHEMERZ_MIGRATIONS,
             db::TABLE_SENT_NOTES,
             db::TABLE_SQLITE_SEQUENCE,
             db::TABLE_TRANSACTIONS,
@@ -1069,7 +1069,7 @@ mod tests {
         );
         assert_matches!(
             init_wallet_db(&mut db_data, Some(Secret::new(other_seed.to_vec()))),
-            Err(schemer::MigratorError::Adapter(
+            Err(schemerz::MigratorError::Adapter(
                 WalletMigrationError::SeedNotRelevant
             ))
         );
diff --git a/zcash_client_sqlite/src/wallet/init/migrations.rs b/zcash_client_sqlite/src/wallet/init/migrations.rs
index 21676e4886..5d9ac61831 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations.rs
@@ -31,7 +31,7 @@ mod wallet_summaries;
 
 use std::rc::Rc;
 
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use secrecy::SecretVec;
 use uuid::Uuid;
 use zcash_protocol::consensus;
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/add_account_birthdays.rs b/zcash_client_sqlite/src/wallet/init/migrations/add_account_birthdays.rs
index 0f0ca63352..a6116f3748 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/add_account_birthdays.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/add_account_birthdays.rs
@@ -2,7 +2,7 @@
 
 use std::collections::HashSet;
 
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 use zcash_primitives::consensus::{self, NetworkUpgrade};
 
@@ -18,7 +18,7 @@ pub(super) struct Migration<P> {
     pub(super) params: P,
 }
 
-impl<P> schemer::Migration for Migration<P> {
+impl<P> schemerz::Migration for Migration<P> {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/add_transaction_views.rs b/zcash_client_sqlite/src/wallet/init/migrations/add_transaction_views.rs
index 27fcef5936..5b87e864c0 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/add_transaction_views.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/add_transaction_views.rs
@@ -2,7 +2,7 @@
 use std::collections::HashSet;
 
 use rusqlite::{self, types::ToSql, OptionalExtension};
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 
 use zcash_primitives::{
@@ -25,7 +25,7 @@ const DEPENDENCIES: &[Uuid] = &[
 
 pub(crate) struct Migration;
 
-impl schemer::Migration for Migration {
+impl schemerz::Migration for Migration {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/add_utxo_account.rs b/zcash_client_sqlite/src/wallet/init/migrations/add_utxo_account.rs
index cf430641ed..f7b93b1ef3 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/add_utxo_account.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/add_utxo_account.rs
@@ -1,7 +1,6 @@
 //! A migration that adds an identifier for the account that received a UTXO to the utxos table
-use rusqlite;
-use schemer;
-use schemer_rusqlite::RusqliteMigration;
+
+use schemerz_rusqlite::RusqliteMigration;
 use std::collections::HashSet;
 use uuid::Uuid;
 use zcash_primitives::consensus;
@@ -34,7 +33,7 @@ pub(super) struct Migration<P> {
     pub(super) _params: P,
 }
 
-impl<P> schemer::Migration for Migration<P> {
+impl<P> schemerz::Migration for Migration<P> {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/addresses_table.rs b/zcash_client_sqlite/src/wallet/init/migrations/addresses_table.rs
index cbdd681e7b..984fc72331 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/addresses_table.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/addresses_table.rs
@@ -1,8 +1,7 @@
 use std::collections::HashSet;
 
 use rusqlite::{named_params, Transaction};
-use schemer;
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 use zcash_client_backend::{address::Address, keys::UnifiedFullViewingKey};
 use zcash_keys::{address::UnifiedAddress, encoding::AddressCodec, keys::UnifiedAddressRequest};
@@ -26,7 +25,7 @@ pub(crate) struct Migration<P: consensus::Parameters> {
     pub(crate) params: P,
 }
 
-impl<P: consensus::Parameters> schemer::Migration for Migration<P> {
+impl<P: consensus::Parameters> schemerz::Migration for Migration<P> {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/ensure_orchard_ua_receiver.rs b/zcash_client_sqlite/src/wallet/init/migrations/ensure_orchard_ua_receiver.rs
index 31a57f44ce..5f884a6998 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/ensure_orchard_ua_receiver.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/ensure_orchard_ua_receiver.rs
@@ -2,7 +2,7 @@
 use std::collections::HashSet;
 
 use rusqlite::named_params;
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 
 use zcash_client_backend::keys::{
@@ -21,7 +21,7 @@ pub(super) struct Migration<P> {
     pub(super) params: P,
 }
 
-impl<P> schemer::Migration for Migration<P> {
+impl<P> schemerz::Migration for Migration<P> {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/ephemeral_addresses.rs b/zcash_client_sqlite/src/wallet/init/migrations/ephemeral_addresses.rs
index c93872e64e..c628ad8792 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/ephemeral_addresses.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/ephemeral_addresses.rs
@@ -1,9 +1,7 @@
 //! The migration that records ephemeral addresses for each account.
 use std::collections::HashSet;
 
-use rusqlite;
-use schemer;
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 use zcash_protocol::consensus;
 
@@ -23,7 +21,7 @@ pub(super) struct Migration<P> {
     pub(super) params: P,
 }
 
-impl<P> schemer::Migration for Migration<P> {
+impl<P> schemerz::Migration for Migration<P> {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/fix_broken_commitment_trees.rs b/zcash_client_sqlite/src/wallet/init/migrations/fix_broken_commitment_trees.rs
index 714d990fce..bf6d4b1561 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/fix_broken_commitment_trees.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/fix_broken_commitment_trees.rs
@@ -2,9 +2,8 @@
 //! reorg handling.
 use std::collections::HashSet;
 
-use rusqlite::{self, OptionalExtension};
-use schemer;
-use schemer_rusqlite::RusqliteMigration;
+use rusqlite::OptionalExtension;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 use zcash_protocol::consensus::{self, BlockHeight};
 
@@ -21,7 +20,7 @@ pub(super) struct Migration<P> {
     pub(super) params: P,
 }
 
-impl<P> schemer::Migration for Migration<P> {
+impl<P> schemerz::Migration for Migration<P> {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/full_account_ids.rs b/zcash_client_sqlite/src/wallet/init/migrations/full_account_ids.rs
index 91ad456cfb..79166a66e3 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/full_account_ids.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/full_account_ids.rs
@@ -2,7 +2,7 @@ use std::{collections::HashSet, rc::Rc};
 
 use crate::wallet::{account_kind_code, init::WalletMigrationError};
 use rusqlite::{named_params, OptionalExtension, Transaction};
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use secrecy::{ExposeSecret, SecretVec};
 use uuid::Uuid;
 use zcash_client_backend::{
@@ -33,7 +33,7 @@ const DEPENDENCIES: &[Uuid] = &[
     wallet_summaries::MIGRATION_ID,
 ];
 
-impl<P: consensus::Parameters> schemer::Migration for Migration<P> {
+impl<P: consensus::Parameters> schemerz::Migration for Migration<P> {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/initial_setup.rs b/zcash_client_sqlite/src/wallet/init/migrations/initial_setup.rs
index f72b401213..92b2ba6b42 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/initial_setup.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/initial_setup.rs
@@ -1,9 +1,7 @@
 //! The migration that performs the initial setup of the wallet database.
 use std::collections::HashSet;
 
-use rusqlite;
-use schemer;
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 
 use crate::wallet::init::WalletMigrationError;
@@ -13,7 +11,7 @@ pub(super) const MIGRATION_ID: Uuid = Uuid::from_u128(0xbc4f5e57_d600_4b6c_990f_
 
 pub(super) struct Migration;
 
-impl schemer::Migration for Migration {
+impl schemerz::Migration for Migration {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/nullifier_map.rs b/zcash_client_sqlite/src/wallet/init/migrations/nullifier_map.rs
index 5c2e9fb08f..44e86da47f 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/nullifier_map.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/nullifier_map.rs
@@ -3,7 +3,7 @@
 
 use std::collections::HashSet;
 
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use tracing::debug;
 use uuid::Uuid;
 
@@ -17,7 +17,7 @@ const DEPENDENCIES: &[Uuid] = &[received_notes_nullable_nf::MIGRATION_ID];
 
 pub(super) struct Migration;
 
-impl schemer::Migration for Migration {
+impl schemerz::Migration for Migration {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/orchard_received_notes.rs b/zcash_client_sqlite/src/wallet/init/migrations/orchard_received_notes.rs
index 66931cccf3..908dadcc83 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/orchard_received_notes.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/orchard_received_notes.rs
@@ -3,7 +3,7 @@
 
 use std::collections::HashSet;
 
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 use zcash_client_backend::PoolType;
 
@@ -16,7 +16,7 @@ const DEPENDENCIES: &[Uuid] = &[full_account_ids::MIGRATION_ID];
 
 pub(super) struct Migration;
 
-impl schemer::Migration for Migration {
+impl schemerz::Migration for Migration {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/orchard_shardtree.rs b/zcash_client_sqlite/src/wallet/init/migrations/orchard_shardtree.rs
index 5357b5e03d..afb1a61ccd 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/orchard_shardtree.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/orchard_shardtree.rs
@@ -4,7 +4,7 @@
 use std::collections::HashSet;
 
 use rusqlite::{named_params, OptionalExtension};
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use tracing::debug;
 use uuid::Uuid;
 use zcash_client_backend::data_api::scanning::ScanPriority;
@@ -21,7 +21,7 @@ pub(super) struct Migration<P> {
     pub(super) params: P,
 }
 
-impl<P> schemer::Migration for Migration<P> {
+impl<P> schemerz::Migration for Migration<P> {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/received_notes_nullable_nf.rs b/zcash_client_sqlite/src/wallet/init/migrations/received_notes_nullable_nf.rs
index 4b1dabdc49..42bdb120a3 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/received_notes_nullable_nf.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/received_notes_nullable_nf.rs
@@ -3,9 +3,7 @@
 //! table prior to being mined.
 use std::collections::HashSet;
 
-use rusqlite;
-use schemer;
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 
 use super::v_transactions_net;
@@ -17,7 +15,7 @@ const DEPENDENCIES: &[Uuid] = &[v_transactions_net::MIGRATION_ID];
 
 pub(crate) struct Migration;
 
-impl schemer::Migration for Migration {
+impl schemerz::Migration for Migration {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/receiving_key_scopes.rs b/zcash_client_sqlite/src/wallet/init/migrations/receiving_key_scopes.rs
index 84b8d8ceed..9b113f36f8 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/receiving_key_scopes.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/receiving_key_scopes.rs
@@ -4,9 +4,8 @@ use std::collections::HashSet;
 
 use group::ff::PrimeField;
 use incrementalmerkletree::Position;
-use rusqlite::{self, named_params};
-use schemer;
-use schemer_rusqlite::RusqliteMigration;
+use rusqlite::named_params;
+use schemerz_rusqlite::RusqliteMigration;
 
 use shardtree::{store::ShardStore, ShardTree};
 use uuid::Uuid;
@@ -44,7 +43,7 @@ pub(super) struct Migration<P> {
     pub(super) params: P,
 }
 
-impl<P> schemer::Migration for Migration<P> {
+impl<P> schemerz::Migration for Migration<P> {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/sapling_memo_consistency.rs b/zcash_client_sqlite/src/wallet/init/migrations/sapling_memo_consistency.rs
index 590d773d64..86f624e2d6 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/sapling_memo_consistency.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/sapling_memo_consistency.rs
@@ -5,7 +5,7 @@
 use std::collections::{BTreeMap, HashMap, HashSet};
 
 use rusqlite::named_params;
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 use zcash_client_backend::{decrypt_transaction, keys::UnifiedFullViewingKey};
 use zcash_primitives::{consensus, transaction::TxId, zip32::AccountId};
@@ -25,7 +25,7 @@ pub(super) struct Migration<P> {
     pub(super) params: P,
 }
 
-impl<P> schemer::Migration for Migration<P> {
+impl<P> schemerz::Migration for Migration<P> {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/sent_notes_to_internal.rs b/zcash_client_sqlite/src/wallet/init/migrations/sent_notes_to_internal.rs
index 881e80397d..c335af556c 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/sent_notes_to_internal.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/sent_notes_to_internal.rs
@@ -2,9 +2,7 @@
 //! on an internal address to the sent_notes table.
 use std::collections::HashSet;
 
-use rusqlite;
-use schemer;
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 
 use super::ufvk_support;
@@ -17,7 +15,7 @@ const DEPENDENCIES: &[Uuid] = &[ufvk_support::MIGRATION_ID];
 
 pub(super) struct Migration;
 
-impl schemer::Migration for Migration {
+impl schemerz::Migration for Migration {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/shardtree_support.rs b/zcash_client_sqlite/src/wallet/init/migrations/shardtree_support.rs
index 88743518e6..8fa7105add 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/shardtree_support.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/shardtree_support.rs
@@ -5,9 +5,8 @@
 use std::collections::{BTreeSet, HashSet};
 
 use incrementalmerkletree::{Marking, Retention};
-use rusqlite::{self, named_params, params};
-use schemer;
-use schemer_rusqlite::RusqliteMigration;
+use rusqlite::{named_params, params};
+use schemerz_rusqlite::RusqliteMigration;
 use shardtree::{error::ShardTreeError, store::caching::CachingShardStore, ShardTree};
 use tracing::{debug, trace};
 use uuid::Uuid;
@@ -39,7 +38,7 @@ pub(super) struct Migration<P> {
     pub(super) params: P,
 }
 
-impl<P> schemer::Migration for Migration<P> {
+impl<P> schemerz::Migration for Migration<P> {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/spend_key_available.rs b/zcash_client_sqlite/src/wallet/init/migrations/spend_key_available.rs
index d38be3ab50..feb25917b2 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/spend_key_available.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/spend_key_available.rs
@@ -1,9 +1,7 @@
 //! The migration that records ephemeral addresses for each account.
 use std::collections::HashSet;
 
-use rusqlite;
-use schemer;
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 
 use crate::wallet::init::WalletMigrationError;
@@ -17,7 +15,7 @@ const DEPENDENCIES: &[Uuid] = &[full_account_ids::MIGRATION_ID];
 #[allow(dead_code)]
 pub(super) struct Migration;
 
-impl schemer::Migration for Migration {
+impl schemerz::Migration for Migration {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/support_legacy_sqlite.rs b/zcash_client_sqlite/src/wallet/init/migrations/support_legacy_sqlite.rs
index 29385a30ef..52ab2dd944 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/support_legacy_sqlite.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/support_legacy_sqlite.rs
@@ -1,9 +1,7 @@
 //! Modifies definitions to avoid keywords that may not be available in older SQLite versions.
 use std::collections::HashSet;
 
-use rusqlite;
-use schemer;
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 
 use crate::wallet::init::{migrations::tx_retrieval_queue, WalletMigrationError};
@@ -14,7 +12,7 @@ const DEPENDENCIES: &[Uuid] = &[tx_retrieval_queue::MIGRATION_ID];
 
 pub(super) struct Migration;
 
-impl schemer::Migration for Migration {
+impl schemerz::Migration for Migration {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/tx_retrieval_queue.rs b/zcash_client_sqlite/src/wallet/init/migrations/tx_retrieval_queue.rs
index 5c94abbc2c..e8082cc83e 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/tx_retrieval_queue.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/tx_retrieval_queue.rs
@@ -1,7 +1,7 @@
 //! Adds tables for tracking transactions to be downloaded for transparent output and/or memo retrieval.
 
 use rusqlite::{named_params, Transaction};
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use std::collections::HashSet;
 use uuid::Uuid;
 use zcash_client_backend::data_api::DecryptedTransaction;
@@ -29,7 +29,7 @@ pub(super) struct Migration<P> {
     pub(super) params: P,
 }
 
-impl<P> schemer::Migration for Migration<P> {
+impl<P> schemerz::Migration for Migration<P> {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/ufvk_support.rs b/zcash_client_sqlite/src/wallet/init/migrations/ufvk_support.rs
index f4354d1d7e..b05e9b83fe 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/ufvk_support.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/ufvk_support.rs
@@ -1,9 +1,8 @@
 //! Migration that adds support for unified full viewing keys.
 use std::{collections::HashSet, rc::Rc};
 
-use rusqlite::{self, named_params, params};
-use schemer;
-use schemer_rusqlite::RusqliteMigration;
+use rusqlite::{named_params, params};
+use schemerz_rusqlite::RusqliteMigration;
 use secrecy::{ExposeSecret, SecretVec};
 use uuid::Uuid;
 
@@ -34,7 +33,7 @@ pub(super) struct Migration<P> {
     pub(super) seed: Option<Rc<SecretVec<u8>>>,
 }
 
-impl<P> schemer::Migration for Migration<P> {
+impl<P> schemerz::Migration for Migration<P> {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/utxos_table.rs b/zcash_client_sqlite/src/wallet/init/migrations/utxos_table.rs
index 09f5fe16c8..4cac9202ab 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/utxos_table.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/utxos_table.rs
@@ -1,9 +1,7 @@
 //! The migration that adds initial support for transparent UTXOs to the wallet.
 use std::collections::HashSet;
 
-use rusqlite;
-use schemer;
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 
 use crate::wallet::init::{migrations::initial_setup, WalletMigrationError};
@@ -14,7 +12,7 @@ const DEPENDENCIES: &[Uuid] = &[initial_setup::MIGRATION_ID];
 
 pub(super) struct Migration;
 
-impl schemer::Migration for Migration {
+impl schemerz::Migration for Migration {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/utxos_to_txos.rs b/zcash_client_sqlite/src/wallet/init/migrations/utxos_to_txos.rs
index 687ddf51f4..53055d04d0 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/utxos_to_txos.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/utxos_to_txos.rs
@@ -2,9 +2,7 @@
 //! outputs, and adds `spent_note_count` and `is_shielding` to `v_transactions`.
 use std::collections::HashSet;
 
-use rusqlite;
-use schemer;
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 
 use crate::wallet::init::{migrations::orchard_received_notes, WalletMigrationError};
@@ -15,7 +13,7 @@ const DEPENDENCIES: &[Uuid] = &[orchard_received_notes::MIGRATION_ID];
 
 pub(super) struct Migration;
 
-impl schemer::Migration for Migration {
+impl schemerz::Migration for Migration {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/v_sapling_shard_unscanned_ranges.rs b/zcash_client_sqlite/src/wallet/init/migrations/v_sapling_shard_unscanned_ranges.rs
index cf7465d2f7..9c83c20cfb 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/v_sapling_shard_unscanned_ranges.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/v_sapling_shard_unscanned_ranges.rs
@@ -3,7 +3,7 @@
 
 use std::collections::HashSet;
 
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 use zcash_client_backend::data_api::{scanning::ScanPriority, SAPLING_SHARD_HEIGHT};
 use zcash_primitives::consensus::{self, NetworkUpgrade};
@@ -20,7 +20,7 @@ pub(super) struct Migration<P> {
     pub(super) params: P,
 }
 
-impl<P> schemer::Migration for Migration<P> {
+impl<P> schemerz::Migration for Migration<P> {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/v_transactions_net.rs b/zcash_client_sqlite/src/wallet/init/migrations/v_transactions_net.rs
index db0d43f311..cd7cd71545 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/v_transactions_net.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/v_transactions_net.rs
@@ -2,9 +2,8 @@
 //! as received value.
 use std::collections::HashSet;
 
-use rusqlite::{self, named_params};
-use schemer;
-use schemer_rusqlite::RusqliteMigration;
+use rusqlite::named_params;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 use zcash_client_backend::PoolType;
 
@@ -17,7 +16,7 @@ const DEPENDENCIES: &[Uuid] = &[add_transaction_views::MIGRATION_ID];
 
 pub(crate) struct Migration;
 
-impl schemer::Migration for Migration {
+impl schemerz::Migration for Migration {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/v_transactions_note_uniqueness.rs b/zcash_client_sqlite/src/wallet/init/migrations/v_transactions_note_uniqueness.rs
index 3d48d6abff..e07fc010b2 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/v_transactions_note_uniqueness.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/v_transactions_note_uniqueness.rs
@@ -3,7 +3,7 @@
 
 use std::collections::HashSet;
 
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 
 use crate::wallet::init::WalletMigrationError;
@@ -16,7 +16,7 @@ const DEPENDENCIES: &[Uuid] = &[v_transactions_shielding_balance::MIGRATION_ID];
 
 pub(super) struct Migration;
 
-impl schemer::Migration for Migration {
+impl schemerz::Migration for Migration {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/v_transactions_shielding_balance.rs b/zcash_client_sqlite/src/wallet/init/migrations/v_transactions_shielding_balance.rs
index a783f972ef..a8f38fd1d1 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/v_transactions_shielding_balance.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/v_transactions_shielding_balance.rs
@@ -3,7 +3,7 @@
 
 use std::collections::HashSet;
 
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 
 use crate::wallet::init::WalletMigrationError;
@@ -16,7 +16,7 @@ const DEPENDENCIES: &[Uuid] = &[v_tx_outputs_use_legacy_false::MIGRATION_ID];
 
 pub(super) struct Migration;
 
-impl schemer::Migration for Migration {
+impl schemerz::Migration for Migration {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/v_transactions_transparent_history.rs b/zcash_client_sqlite/src/wallet/init/migrations/v_transactions_transparent_history.rs
index 4904c252cb..f9dae5583a 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/v_transactions_transparent_history.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/v_transactions_transparent_history.rs
@@ -3,7 +3,7 @@
 
 use std::collections::HashSet;
 
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 
 use crate::wallet::init::WalletMigrationError;
@@ -16,7 +16,7 @@ const DEPENDENCIES: &[Uuid] = &[sapling_memo_consistency::MIGRATION_ID];
 
 pub(super) struct Migration;
 
-impl schemer::Migration for Migration {
+impl schemerz::Migration for Migration {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/v_tx_outputs_use_legacy_false.rs b/zcash_client_sqlite/src/wallet/init/migrations/v_tx_outputs_use_legacy_false.rs
index 2d40519453..3b53100d35 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/v_tx_outputs_use_legacy_false.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/v_tx_outputs_use_legacy_false.rs
@@ -4,7 +4,7 @@
 
 use std::collections::HashSet;
 
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 
 use crate::wallet::init::WalletMigrationError;
@@ -17,7 +17,7 @@ const DEPENDENCIES: &[Uuid] = &[v_transactions_transparent_history::MIGRATION_ID
 
 pub(super) struct Migration;
 
-impl schemer::Migration for Migration {
+impl schemerz::Migration for Migration {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }
diff --git a/zcash_client_sqlite/src/wallet/init/migrations/wallet_summaries.rs b/zcash_client_sqlite/src/wallet/init/migrations/wallet_summaries.rs
index 18940c61b5..77ee6e8fd4 100644
--- a/zcash_client_sqlite/src/wallet/init/migrations/wallet_summaries.rs
+++ b/zcash_client_sqlite/src/wallet/init/migrations/wallet_summaries.rs
@@ -2,7 +2,7 @@
 
 use std::collections::HashSet;
 
-use schemer_rusqlite::RusqliteMigration;
+use schemerz_rusqlite::RusqliteMigration;
 use uuid::Uuid;
 
 use crate::wallet::init::WalletMigrationError;
@@ -15,7 +15,7 @@ const DEPENDENCIES: &[Uuid] = &[v_sapling_shard_unscanned_ranges::MIGRATION_ID];
 
 pub(super) struct Migration;
 
-impl schemer::Migration for Migration {
+impl schemerz::Migration for Migration {
     fn id(&self) -> Uuid {
         MIGRATION_ID
     }