feat: update dependencies to use local paths instead of git sources

packages/rs-dapi/Cargo.toml

@@ -87,8 +87,8 @@ prometheus = "0.14"
 once_cell = "1.19"
 
 # Dash Core RPC client
-dashcore-rpc = { git = "https://github.com/dashpay/rust-dashcore", rev = "2bd764fdc071828939d9dc8dd872c39bae906b04" }
-dash-spv = { git = "https://github.com/dashpay/rust-dashcore", rev = "2bd764fdc071828939d9dc8dd872c39bae906b04" }
+dashcore-rpc = { path = "../../../rust-dashcore/rpc-client" }
+dash-spv = { path = "../../../rust-dashcore/dash-spv" }
 
 rs-dash-event-bus = { path = "../rs-dash-event-bus" }
 

packages/rs-dpp/Cargo.toml

@@ -24,18 +24,18 @@ chrono = { version = "0.4.35", default-features = false, features = [
 ] }
 chrono-tz = { version = "0.8", optional = true }
 ciborium = { version = "0.2.2", optional = true }
-dashcore = { git = "https://github.com/dashpay/rust-dashcore", rev = "2bd764fdc071828939d9dc8dd872c39bae906b04", features = [
+dashcore = { path = "../../../rust-dashcore/dash", features = [
   "std",
   "secp-recovery",
   "rand",
   "signer",
   "serde",
   "eddsa",
 ], default-features = false }
-key-wallet = { git = "https://github.com/dashpay/rust-dashcore", rev = "2bd764fdc071828939d9dc8dd872c39bae906b04", optional = true }
-key-wallet-manager = { git = "https://github.com/dashpay/rust-dashcore", rev = "2bd764fdc071828939d9dc8dd872c39bae906b04", optional = true }
-dash-spv = { git = "https://github.com/dashpay/rust-dashcore", rev = "2bd764fdc071828939d9dc8dd872c39bae906b04", optional = true }
-dashcore-rpc = { git = "https://github.com/dashpay/rust-dashcore", rev = "2bd764fdc071828939d9dc8dd872c39bae906b04", optional = true }
+key-wallet = { path = "../../../rust-dashcore/key-wallet", optional = true }
+key-wallet-manager = { path = "../../../rust-dashcore/key-wallet-manager", optional = true }
+dash-spv = { path = "../../../rust-dashcore/dash-spv", optional = true }
+dashcore-rpc = { path = "../../../rust-dashcore/rpc-client", optional = true }
 
 env_logger = { version = "0.11" }
 getrandom = { version = "0.2", features = ["js"] }

packages/rs-platform-encryption/Cargo.toml

@@ -8,7 +8,7 @@ description = "Cryptographic utilities for Dash Platform (DIP-15 DashPay encrypt
 
 [dependencies]
 # Cryptography
-dashcore = { git = "https://github.com/dashpay/rust-dashcore", rev = "2bd764fdc071828939d9dc8dd872c39bae906b04" }
+dashcore = { path = "../../../rust-dashcore/dash" }
 aes = "0.8"
 cbc = "0.1"
 sha2 = "0.10"

packages/rs-platform-wallet-ffi/Cargo.toml

@@ -23,8 +23,8 @@ serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 
 # Core dependencies (for Network type)
-dashcore = { git = "https://github.com/dashpay/rust-dashcore", rev = "2bd764fdc071828939d9dc8dd872c39bae906b04" }
-key-wallet = { git = "https://github.com/dashpay/rust-dashcore", rev = "2bd764fdc071828939d9dc8dd872c39bae906b04" }
+dashcore = { path = "../../../rust-dashcore/dash" }
+key-wallet = { path = "../../../rust-dashcore/key-wallet" }
 
 # Error handling
 thiserror = "1.0"

packages/rs-platform-wallet/Cargo.toml

@@ -13,11 +13,11 @@ dash-sdk = { path = "../rs-sdk", default-features = false, features = ["dashpay-
 platform-encryption = { path = "../rs-platform-encryption" }
 
 # Key wallet dependencies (from rust-dashcore)
-key-wallet = { git = "https://github.com/dashpay/rust-dashcore", rev = "2bd764fdc071828939d9dc8dd872c39bae906b04" }
-key-wallet-manager = { git = "https://github.com/dashpay/rust-dashcore", rev = "2bd764fdc071828939d9dc8dd872c39bae906b04", optional = true }
+key-wallet = { path = "../../../rust-dashcore/key-wallet" }
+key-wallet-manager = { path = "../../../rust-dashcore/key-wallet-manager", optional = true }
 
 # Core dependencies
-dashcore = { git = "https://github.com/dashpay/rust-dashcore", rev = "2bd764fdc071828939d9dc8dd872c39bae906b04" }
+dashcore = { path = "../../../rust-dashcore/dash" }
 
 # Standard dependencies
 thiserror = "1.0"

packages/rs-sdk-ffi/Cargo.toml

@@ -23,7 +23,7 @@ simple-signer = { path = "../simple-signer" }
 
 
 # Core SDK integration (always included for unified SDK)
-dash-spv-ffi = { git = "https://github.com/dashpay/rust-dashcore", rev = "2bd764fdc071828939d9dc8dd872c39bae906b04", optional = true }
+dash-spv-ffi = { path = "../../../rust-dashcore/dash-spv-ffi", optional = true }
 
 # Platform Wallet integration for DashPay support
 platform-wallet-ffi = { path = "../rs-platform-wallet-ffi" }

packages/swift-sdk/Sources/SwiftDashSDK/KeyWallet/Wallet.swift

@@ -516,6 +516,13 @@ public class Wallet {
         self.ownsHandle = false
     }
 
+    /// Owning initializer for wallets returned by FFI functions that allocate a new Box<FFIWallet>.
+    /// The caller transfers ownership — deinit will call wallet_free().
+    internal init(owningHandle handle: UnsafeRawPointer) {
+        self.handle = UnsafeMutablePointer<FFIWallet>(mutating: handle.bindMemory(to: FFIWallet.self, capacity: 1))
+        self.ownsHandle = true
+    }
+
 
     deinit {
         if ownsHandle {

packages/swift-sdk/Sources/SwiftDashSDK/KeyWallet/WalletManager.swift

@@ -165,8 +165,9 @@ public class WalletManager {
             }
             throw KeyWalletError(ffiError: error)
         }
-        // Wrap as non-owning wallet; the manager retains ownership
-        let wallet = Wallet(nonOwningHandle: UnsafeRawPointer(ptr))
+        // The FFI function allocates a new Box<FFIWallet> via Box::into_raw —
+        // we own it and must free it via wallet_free() when done.
+        let wallet = Wallet(owningHandle: UnsafeRawPointer(ptr))
         return wallet
     }
 
@@ -397,48 +398,61 @@ public class WalletManager {
         guard !outputs.isEmpty else {
             throw KeyWalletError.invalidInput("Transaction must have at least one output")
         }
-
-        var error = FFIError()
-        var txBytesPtr: UnsafeMutablePointer<UInt8>?
-        var txLen: size_t = 0
-
-        var fee: UInt64 = 0;
 
-        let wallet = try self.getWallet(id: wallet.walletId)!
-
-        let ffiOutputs = outputs.map { $0.toFFI() }
-
-        let success = ffiOutputs.withUnsafeBufferPointer { outputsPtr in
-            wallet_build_and_sign_transaction(
-                self.handle,
-                wallet.ffiHandle,
-                accIndex,
-                outputsPtr.baseAddress,
-                outputs.count,
-                feeRate.intoFFI(),
-                &fee,
-                &txBytesPtr,
-                &txLen,
-                &error)
-        }
-
-        defer {
-            if error.message != nil {8
-                error_message_free(error.message)
+        let ffiWallet = try self.getWallet(id: wallet.walletId)!
+
+        // withExtendedLifetime keeps ffiWallet alive for the entire duration of
+        // the closure.  Without this, Swift's ARC optimizer may release the
+        // Wallet object (and call wallet_free) after extracting the raw
+        // ffiHandle pointer but BEFORE the Rust FFI call finishes — causing a
+        // use-after-free / EXC_BAD_ACCESS in the Rust code.
+        return try withExtendedLifetime(ffiWallet) {
+            var error = FFIError()
+            var txBytesPtr: UnsafeMutablePointer<UInt8>?
+            var txLen: size_t = 0
+            var fee: UInt64 = 0
+
+            let ffiOutputs = outputs.map { $0.toFFI() }
+
+            // Free strdup'd C strings after the FFI call completes
+            defer {
+                for output in ffiOutputs {
+                    free(UnsafeMutablePointer(mutating: output.address))
+                }
             }
-            if let ptr = txBytesPtr {
-                transaction_bytes_free(ptr)
+
+            let success = ffiOutputs.withUnsafeBufferPointer { outputsPtr in
+                wallet_build_and_sign_transaction(
+                    self.handle,
+                    ffiWallet.ffiHandle,
+                    accIndex,
+                    outputsPtr.baseAddress,
+                    outputs.count,
+                    feeRate.intoFFI(),
+                    &fee,
+                    &txBytesPtr,
+                    &txLen,
+                    &error)
             }
+
+            defer {
+                if error.message != nil {
+                    error_message_free(error.message)
+                }
+                if let ptr = txBytesPtr {
+                    transaction_bytes_free(ptr)
+                }
+            }
+
+            guard success, let ptr = txBytesPtr else {
+                throw KeyWalletError(ffiError: error)
+            }
+
+            // Copy the transaction data before freeing
+            let txData = Data(bytes: ptr, count: txLen)
+
+            return (txData, fee)
         }
-
-        guard success, let ptr = txBytesPtr else {
-            throw KeyWalletError(ffiError: error)
-        }
-
-        // Copy the transaction data before freeing
-        let txData = Data(bytes: ptr, count: txLen)
-
-        return (txData, fee)
     }
 
     // MARK: - Block Height Management

packages/swift-sdk/SwiftExampleApp/SwiftExampleApp/Core/Views/SendTransactionView.swift

@@ -128,6 +128,7 @@ struct SendTransactionView: View {
             self.fee = fee
             self.tx = tx
         } catch {
+            self.error = error
             self.fee = 0
             self.tx = nil
         }
@@ -169,4 +170,4 @@ struct SendTransactionView: View {
         let decimalPart = dash % 100_000_000
         return String(format: "~%llu.%08llu DASH", dashPart, decimalPart)
     }
-}
+}