feat: tighten visibility of inner fields not required by external users

bdk-ffi/src/bitcoin.rs

@@ -81,7 +81,7 @@ impl From<BdkScriptBuf> for Script {
 }
 
 #[derive(Debug, PartialEq, Eq)]
-pub struct Address(BdkAddress<NetworkChecked>);
+pub struct Address(pub(crate) BdkAddress<NetworkChecked>);
 
 impl Address {
     pub fn new(address: String, network: Network) -> Result<Self, AddressParseError> {
@@ -134,7 +134,7 @@ impl From<BdkAddress> for Address {
 }
 
 #[derive(Debug, Clone, PartialEq, Eq)]
-pub struct Transaction(BdkTransaction);
+pub struct Transaction(pub(crate) BdkTransaction);
 
 impl Transaction {
     pub fn new(transaction_bytes: Vec<u8>) -> Result<Self, TransactionError> {
@@ -319,7 +319,7 @@ impl From<&BdkTxOut> for TxOut {
 }
 
 #[derive(Clone, Debug)]
-pub struct FeeRate(pub BdkFeeRate);
+pub struct FeeRate(pub(crate) BdkFeeRate);
 
 impl FeeRate {
     pub fn from_sat_per_vb(sat_per_vb: u64) -> Result<Self, FeeRateError> {

bdk-ffi/src/electrum.rs

@@ -19,7 +19,7 @@ use std::sync::Arc;
 // NOTE: We are keeping our naming convention where the alias of the inner type is the Rust type
 //       prefixed with `Bdk`. In this case the inner type is `BdkElectrumClient`, so the alias is
 //       funnily enough named `BdkBdkElectrumClient`.
-pub struct ElectrumClient(BdkBdkElectrumClient<bdk_electrum::electrum_client::Client>);
+pub struct ElectrumClient(pub(crate) BdkBdkElectrumClient<bdk_electrum::electrum_client::Client>);
 
 impl ElectrumClient {
     pub fn new(url: String) -> Result<Self, ElectrumError> {

bdk-ffi/src/esplora.rs

@@ -16,7 +16,7 @@ use bdk_wallet::KeychainKind;
 use std::collections::BTreeMap;
 use std::sync::Arc;
 
-pub struct EsploraClient(BlockingClient);
+pub struct EsploraClient(pub(crate) BlockingClient);
 
 impl EsploraClient {
     pub fn new(url: String) -> Self {

bdk-ffi/src/store.rs

@@ -8,7 +8,7 @@ use bdk_wallet::KeychainKind;
 
 use std::sync::{Arc, Mutex, MutexGuard};
 
-pub struct SqliteStore(Mutex<BdkSqliteStore<KeychainKind, ConfirmationTimeHeightAnchor>>);
+pub struct SqliteStore(pub(crate) Mutex<BdkSqliteStore<KeychainKind, ConfirmationTimeHeightAnchor>>);
 
 impl SqliteStore {
     pub fn new(path: String) -> Result<Self, SqliteError> {