diff --git a/.cargo/config.toml b/.cargo/config.toml
deleted file mode 100644
index 393611e641d78fb1da1df5efc68ce7fdce5cc8b3..0000000000000000000000000000000000000000
--- a/.cargo/config.toml
+++ /dev/null
@@ -1,3 +0,0 @@
-[alias]
-bd = "make android-dev32"
-br = "make"
diff --git a/.gitignore b/.gitignore
index 557066e24e6b752451cb1ac86fa842af08315106..8b9021a3d5c0e766a94dfacb2accd656bf7b8f2f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -44,14 +44,6 @@ android/key.properties
 # Exceptions to above rules.
 !/packages/flutter_tools/test/data/dart_dependencies_test/**/.packages
 
-# Autogenerated dart/rust binding code
-native/dubp_rs/binding.h
-packages/dubp_rs/lib/ffi.dart
-
-# Rust compiled libs for android or ios
-**/*.a
-**/*.so
-
 # Rust things
 /target
 
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e92115c8f90a01b4fe3a1a45a0b80031b78e24ac..73c526513db74a8af73fc16a273d9d446e820d66 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -8,9 +8,6 @@ stages:
   image: axiomteam/gecko-ci:v0.0.8
   tags:
     - redshift
-  before_script:
-    - rustup show
-    - rustc --version && cargo --version
 
 format:
   extends: .env
@@ -20,10 +17,6 @@ format:
     - if: $CI_COMMIT_TAG || $CI_MERGE_REQUEST_ID
     - when: manual
   stage: format
-  script:
-    - cargo fmt -- --version
-    - cargo fmt -- --check
-    - flutter format --set-exit-if-changed lib packages/dubp_rs/lib/dubp.dart
 
 build_and_test:
   extends: .env
@@ -35,11 +28,8 @@ build_and_test:
   stage: build_and_test
   tags:
     - redshift
-  script: 
-    - RUSTFLAGS="-D warnings" cargo make
-    - cd packages/dubp_rs && flutter pub get && cd ../..
+  script:
     - flutter analyze
-    - cargo test
     # - flutter test
 
 lint:
@@ -50,9 +40,6 @@ lint:
     - if: $CI_COMMIT_TAG || $CI_MERGE_REQUEST_ID
     - when: manual
   stage: quality
-  script:
-    - cargo clippy -- -V
-    - cargo clippy --all --tests -- -D warnings --verbose
     
 audit_dependencies:
   extends: .env
@@ -62,9 +49,6 @@ audit_dependencies:
     - if: $CI_COMMIT_TAG || $CI_MERGE_REQUEST_ID
     - when: manual
   stage: quality
-  script:
-    - cargo deny -V
-    - cargo deny check
 
 releases:test:
   extends: .env
diff --git a/.rusty-hook.toml b/.rusty-hook.toml
deleted file mode 100644
index aaeaea8c57b9a36836038c7be05a3c8a27418960..0000000000000000000000000000000000000000
--- a/.rusty-hook.toml
+++ /dev/null
@@ -1,5 +0,0 @@
-[hooks]
-pre-commit = "cargo fmt -- --check && flutter format --set-exit-if-changed lib packages/dubp_rs/lib/dubp.dart"
-
-[logging]
-verbose = true
diff --git a/Cargo.lock b/Cargo.lock
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- "matches",
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-
-[[package]]
-name = "unicode-normalization"
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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- "tinyvec",
-]
-
-[[package]]
-name = "unicode-segmentation"
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-
-[[package]]
-name = "unicode-xid"
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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-
-[[package]]
-name = "unreachable"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
-dependencies = [
- "void",
-]
-
-[[package]]
-name = "untrusted"
-version = "0.7.1"
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-
-[[package]]
-name = "unwrap"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e33648dd74328e622c7be51f3b40a303c63f93e6fa5f08778b6203a4c25c20f"
-
-[[package]]
-name = "url"
-version = "2.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ccd964113622c8e9322cfac19eb1004a07e636c545f325da085d5cdde6f1f8b"
-dependencies = [
- "form_urlencoded",
- "idna",
- "matches",
- "percent-encoding",
-]
-
-[[package]]
-name = "vec_map"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1bddf1187be692e79c5ffeab891132dfb0f236ed36a43c7ed39f1165ee20191"
-
-[[package]]
-name = "version_check"
-version = "0.9.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5a972e5669d67ba988ce3dc826706fb0a8b01471c088cb0b6110b805cc36aed"
-
-[[package]]
-name = "void"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
-
-[[package]]
-name = "want"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ce8a968cb1cd110d136ff8b819a556d6fb6d919363c61534f6860c7eb172ba0"
-dependencies = [
- "log",
- "try-lock",
-]
-
-[[package]]
-name = "wasi"
-version = "0.10.2+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
-
-[[package]]
-name = "wasm-bindgen"
-version = "0.2.70"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "55c0f7123de74f0dab9b7d00fd614e7b19349cd1e2f5252bbe9b1754b59433be"
-dependencies = [
- "cfg-if 1.0.0",
- "serde",
- "serde_json",
- "wasm-bindgen-macro",
-]
-
-[[package]]
-name = "wasm-bindgen-backend"
-version = "0.2.70"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7bc45447f0d4573f3d65720f636bbcc3dd6ce920ed704670118650bcd47764c7"
-dependencies = [
- "bumpalo",
- "lazy_static",
- "log",
- "proc-macro2",
- "quote",
- "syn",
- "wasm-bindgen-shared",
-]
-
-[[package]]
-name = "wasm-bindgen-futures"
-version = "0.4.20"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3de431a2910c86679c34283a33f66f4e4abd7e0aec27b6669060148872aadf94"
-dependencies = [
- "cfg-if 1.0.0",
- "js-sys",
- "wasm-bindgen",
- "web-sys",
-]
-
-[[package]]
-name = "wasm-bindgen-macro"
-version = "0.2.70"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b8853882eef39593ad4174dd26fc9865a64e84026d223f63bb2c42affcbba2c"
-dependencies = [
- "quote",
- "wasm-bindgen-macro-support",
-]
-
-[[package]]
-name = "wasm-bindgen-macro-support"
-version = "0.2.70"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4133b5e7f2a531fa413b3a1695e925038a05a71cf67e87dafa295cb645a01385"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "wasm-bindgen-backend",
- "wasm-bindgen-shared",
-]
-
-[[package]]
-name = "wasm-bindgen-shared"
-version = "0.2.70"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd4945e4943ae02d15c13962b38a5b1e81eadd4b71214eee75af64a4d6a4fd64"
-
-[[package]]
-name = "web-sys"
-version = "0.3.47"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c40dc691fc48003eba817c38da7113c15698142da971298003cac3ef175680b3"
-dependencies = [
- "js-sys",
- "wasm-bindgen",
-]
-
-[[package]]
-name = "webpki"
-version = "0.21.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8e38c0608262c46d4a56202ebabdeb094cef7e560ca7a226c6bf055188aa4ea"
-dependencies = [
- "ring",
- "untrusted",
-]
-
-[[package]]
-name = "webpki-roots"
-version = "0.21.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "82015b7e0b8bad8185994674a13a93306bea76cf5a16c5a181382fd3a5ec2376"
-dependencies = [
- "webpki",
-]
-
-[[package]]
-name = "winapi"
-version = "0.3.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
-dependencies = [
- "winapi-i686-pc-windows-gnu",
- "winapi-x86_64-pc-windows-gnu",
-]
-
-[[package]]
-name = "winapi-i686-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-
-[[package]]
-name = "winapi-x86_64-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-
-[[package]]
-name = "winreg"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0120db82e8a1e0b9fb3345a539c478767c0048d842860994d96113d5b667bd69"
-dependencies = [
- "winapi",
-]
-
-[[package]]
-name = "zerocopy"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6580539ad917b7c026220c4b3f2c08d52ce54d6ce0dc491e66002e35388fab46"
-dependencies = [
- "byteorder",
- "zerocopy-derive",
-]
-
-[[package]]
-name = "zerocopy-derive"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d498dbd1fd7beb83c86709ae1c33ca50942889473473d287d56ce4770a18edfb"
-dependencies = [
- "proc-macro2",
- "syn",
- "synstructure",
-]
-
-[[package]]
-name = "zeroize"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81a974bcdd357f0dca4d41677db03436324d45a4c9ed2d0b873a5a360ce41c36"
-dependencies = [
- "zeroize_derive",
-]
-
-[[package]]
-name = "zeroize_derive"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3f369ddb18862aba61aa49bf31e74d29f0f162dec753063200e1dc084345d16"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
- "synstructure",
-]
diff --git a/Cargo.toml b/Cargo.toml
deleted file mode 100644
index 90c31711cb45f8ea08c43bce31da3b59e5287073..0000000000000000000000000000000000000000
--- a/Cargo.toml
+++ /dev/null
@@ -1,10 +0,0 @@
-[workspace]
-members = ["native/dubp_rs"]
-
-[profile.release]
-lto = true
-codegen-units = 1
-debug = true
-
-[patch.crates-io]
-#dup-crypto = { path = "/home/elois/dev/duniter/libs/dubp-rs-libs/crypto" }
diff --git a/Makefile.toml b/Makefile.toml
deleted file mode 100644
index 76ead5dd74ff0838f301e6750536b1be62b2342c..0000000000000000000000000000000000000000
--- a/Makefile.toml
+++ /dev/null
@@ -1,369 +0,0 @@
-[env]
-CARGO_MAKE_EXTEND_WORKSPACE_MAKEFILE = true
-CARGO_MAKE_WORKSPACE_INCLUDE_MEMBERS = ["native/dubp_rs"]
-ANDROID_PLATFORM_VERSION = "21"
-TARGET_OS = "unknown"
-RELEASE = true
-DEV = false
-LIB_OUT_DIR = "release"
-
-[env.debug]
-DEV = true
-RELEASE = false
-LIB_OUT_DIR = "debug"
-
-[tasks.test-flow]
-disabled = true
-
-[tasks.android-dev32]
-description = "development android i686 emulator"
-category = "Build"
-dependencies = [
-  "setup-crate-type-android",
-  "pre-android",
-  "android-i686",
-  "android-i686-release",
-  "post-android-i686",
-  "post-android",
-  ]
-
-[tasks.android-dev]
-description = "development android x86_64 emulator"
-category = "Build"
-dependencies = [
-  "setup-crate-type-android",
-  "pre-android",
-  "android-x86_64",
-  "android-x86_64-release",
-  "post-android-x86_64",
-  "post-android",
-  ]
-
-[tasks.android-arm]
-description = "build android ARM64 for actual device"
-category = "Build"
-dependencies = [
-  "setup-crate-type-android",
-  "pre-android",
-  "android-aarch64",
-  "android-aarch64-release",
-  "post-android-aarch64",
-  "post-android",
-  ]
-
-
-[tasks.build]
-description = "Runs the rust compiler."
-category = "Build"
-dependencies = ["android"]
-
-[tasks.build.mac]
-description = "Runs the rust compiler."
-category = "Build"
-dependencies = ["android", "ios"]
-
-# ANDROID
-
-[tasks.android]
-description = "Build android targets."
-category = "Build"
-dependencies = [
-    "setup-crate-type-android",
-    "pre-android",
-    "android-aarch64",
-    "android-aarch64-release",
-    "post-android-aarch64",
-    "android-armv7",
-    "android-armv7-release",
-    "post-android-armv7",
-    #"android-i686",
-    #"android-i686-release",
-    #"post-android-i686",
-    #"android-x86_64",
-    #"android-x86_64-release",
-    #"post-android-x86_64",
-    "post-android"
-]
-
-[tasks.android-build]
-private = true
-condition = { env_true = ["DEV"], env_set = ["ANDROID_TARGET"] }
-command = "cargo"
-args = [
-  "ndk", 
-  "--platform", 
-  "${ANDROID_PLATFORM_VERSION}", 
-  "--target", 
-  "${ANDROID_TARGET}", 
-  "build",
-]
-
-[tasks.android-build-release]
-private = true
-condition = { env_true = ["RELEASE"], env_set = ["ANDROID_TARGET"] }
-command = "cargo"
-args = [
-  "ndk", 
-  "--platform", 
-  "${ANDROID_PLATFORM_VERSION}", 
-  "--target", 
-  "${ANDROID_TARGET}", 
-  "build",
-  "--release"
-]
-
-[tasks.android-aarch64]
-private = true
-condition = { env_true = ["DEV"] }
-env = { ANDROID_TARGET = "aarch64-linux-android" }
-run_task = "android-build"
-
-[tasks.android-armv7]
-private = true
-condition = { env_true = ["DEV"] }
-env = { ANDROID_TARGET = "armv7-linux-androideabi" }
-run_task = "android-build"
-
-[tasks.android-i686]
-private = true
-condition = { env_true = ["DEV"] }
-env = { ANDROID_TARGET = "i686-linux-android" }
-run_task = "android-build"
-
-[tasks.android-x86_64]
-private = true
-condition = { env_true = ["DEV"] }
-env = { ANDROID_TARGET = "x86_64-linux-android" }
-run_task = "android-build"
-
-[tasks.android-aarch64-release]
-private = true
-condition = { env_true = ["RELEASE"] }
-env = { ANDROID_TARGET = "aarch64-linux-android" }
-run_task = "android-build-release"
-
-[tasks.android-armv7-release]
-private = true
-condition = { env_true = ["RELEASE"] }
-env = { ANDROID_TARGET = "armv7-linux-androideabi" }
-run_task = "android-build-release"
-
-[tasks.android-i686-release]
-private = true
-condition = { env_true = ["RELEASE"] }
-env = { ANDROID_TARGET = "i686-linux-android" }
-run_task = "android-build-release"
-  
-[tasks.android-x86_64-release]
-private = true
-condition = { env_true = ["RELEASE"] }
-env = { ANDROID_TARGET = "x86_64-linux-android" }
-run_task = "android-build-release"
-
-[tasks.pre-android]
-private = true
-script_runner = "@duckscript"
-script = [
-    "mkdir ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/android/src/main/jniLibs/arm64-v8a",
-    "mkdir ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/android/src/main/jniLibs/armeabi-v7a",
-    "mkdir ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/android/src/main/jniLibs/x86",
-    "mkdir ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/android/src/main/jniLibs/x86_64",
-]
-
-[tasks.android-copy-lib]
-private = true
-condition = { env_set = ["ANDROID_TARGET", "JNI_LIB_DIR"] }
-script_runner = "@duckscript"
-script = [
-    """
-    cp ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/target/${ANDROID_TARGET}/${LIB_OUT_DIR}/lib${CARGO_MAKE_CRATE_FS_NAME}.so \
-    ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/android/src/main/jniLibs/${JNI_LIB_DIR}/lib${CARGO_MAKE_CRATE_FS_NAME}.so
-    """,
-]
-
-[tasks.post-android-aarch64]
-private = true
-env = { ANDROID_TARGET = "aarch64-linux-android", JNI_LIB_DIR = "arm64-v8a" }
-run_task = "android-copy-lib"
-
-[tasks.post-android-armv7]
-private = true
-env = { ANDROID_TARGET = "armv7-linux-androideabi", JNI_LIB_DIR = "armeabi-v7a" }
-run_task = "android-copy-lib"
-
-[tasks.post-android-i686]
-private = true
-env = { ANDROID_TARGET = "i686-linux-android", JNI_LIB_DIR = "x86" }
-run_task = "android-copy-lib"
-
-[tasks.post-android-x86_64]
-private = true
-env = { ANDROID_TARGET = "x86_64-linux-android", JNI_LIB_DIR = "x86_64" }
-run_task = "android-copy-lib"
-
-[tasks.post-android]
-dependencies = ["restore-crate-type"]
-
-# IOS
-
-[tasks.ios]
-description = "build iOS targets"
-category = "Build"
-dependencies = ["ios-build", "ios-release", "post-ios"]
-
-[tasks.ios-build]
-condition = { platforms = ["mac"], env_true = ["DEV"] }
-description = "Build ios targets."
-category = "Build"
-command = "cargo"
-args = ["lipo"]
-dependencies = [
-    "setup-crate-type-ios",
-]
-
-[tasks.ios-release]
-condition = { platforms = ["mac"], env_true = ["RELEASE"] }
-description = "Build ios targets."
-category = "Build"
-command = "cargo"
-args = ["lipo", "--release"]
-dependencies = [
-    "setup-crate-type-ios",
-]
-
-[tasks.post-ios]
-script_runner = "@duckscript"
-condition = { platforms = ["mac"] }
-script = [
-    """
-    cp ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/target/universal/${LIB_OUT_DIR}/lib${CARGO_MAKE_CRATE_FS_NAME}.a \
-    ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/ios/lib${CARGO_MAKE_CRATE_FS_NAME}.a
-    """,
-    """
-    cp ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/native/${CARGO_MAKE_CRATE_CURRENT_WORKSPACE_MEMBER}/binding.h \
-    ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/ios/Classes/binding.h
-    """,
-]
-dependencies = ["restore-crate-type"]
-
-# LINUX
-
-[tasks.linux]
-description = "Build linux targets."
-category = "Build"
-dependencies = [
-    "setup-crate-type-linux",
-    "pre-linux",
-    "linux-x86_64-release",
-    "linux-copy-lib",
-    "post-linux"
-]
-
-[tasks.pre-linux]
-private = true
-script_runner = "@duckscript"
-script = [
-    "mkdir ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/linux",
-]
-
-[tasks.linux-x86_64-release]
-private = true
-condition = { env_true = ["RELEASE"] }
-env = { LINUX_TARGET = "x86_64-unknown-linux-gnu" }
-run_task = "linux-build-release"
-
-[tasks.linux-build-release]
-private = true
-condition = { env_true = ["RELEASE"], env_set = ["LINUX_TARGET"] }
-command = "cargo"
-args = [
-  "build", 
-  "--release",
-  "--target", 
-  "${LINUX_TARGET}" 
-]
-
-[tasks.linux-copy-lib]
-private = true
-condition = { env_set = ["LINUX_TARGET"] }
-script_runner = "@duckscript"
-script = [
-    """
-    cp ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/target/${LINUX_TARGET}/${LIB_OUT_DIR}/lib${CARGO_MAKE_CRATE_FS_NAME}.so \
-    ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/packages/${CARGO_MAKE_CRATE_FS_NAME}/linux/lib${CARGO_MAKE_CRATE_FS_NAME}.so
-    """,
-]
-
-[tasks.post-linux]
-dependencies = ["restore-crate-type"]
-
-# SETUP CRATE TYPE
-
-[tasks.setup-crate-type-android]
-private = true
-env = { TARGET_OS = "android" }
-run_task = "setup-crate-type"
-
-[tasks.setup-crate-type-ios]
-private = true
-env = { TARGET_OS = "ios" }
-run_task = "setup-crate-type"
-
-[tasks.setup-crate-type-linux]
-private = true
-env = { TARGET_OS = "linux" }
-run_task = "setup-crate-type"
-
-[tasks.setup-crate-type]
-private = true
-script_runner = "@duckscript"
-script = [
-    """
-    toml = readfile ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/native/${CARGO_MAKE_CRATE_CURRENT_WORKSPACE_MEMBER}/Cargo.toml
-    crate_type = set ""
-    os = get_env TARGET_OS
-    is_android = eq ${os} "android"
-    is_ios = eq ${os} "ios"
-    is_linux = eq ${os} "linux"
-    if ${is_android}
-      crate_type = set "cdylib"
-    elseif ${is_ios}
-      crate_type = set "staticlib"
-    elseif ${is_linux}
-      crate_type = set "cdylib"
-    else
-      crate_type = set "rlib"
-    end
-    val = replace ${toml} "rlib" ${crate_type}
-    result = writefile ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/native/${CARGO_MAKE_CRATE_CURRENT_WORKSPACE_MEMBER}/Cargo.toml ${val}
-    assert ${result}
-    """,
-]
-
-# RESTORE CRATE TYPE
-
-[tasks.restore-crate-type]
-private = true
-script_runner = "@duckscript"
-script = [
-    """
-    toml = readfile ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/native/${CARGO_MAKE_CRATE_CURRENT_WORKSPACE_MEMBER}/Cargo.toml
-    crate_type = set ""
-    os = get_env TARGET_OS
-    is_android = eq ${os} "android"
-    is_ios = eq ${os} "ios"
-    is_linux = eq ${os} "linux"
-    if ${is_android}
-      crate_type = set "cdylib"
-    elseif ${is_ios}
-      crate_type = set "staticlib"
-    elseif ${is_linux}
-      crate_type = set "cdylib"
-    else
-      crate_type = set "rlib"
-    end
-    val = replace ${toml} ${crate_type} "rlib"
-    result = writefile ${CARGO_MAKE_WORKSPACE_WORKING_DIRECTORY}/native/${CARGO_MAKE_CRATE_CURRENT_WORKSPACE_MEMBER}/Cargo.toml ${val}
-    assert ${result}
-    """,
-]
\ No newline at end of file
diff --git a/README.md b/README.md
index 27ed9d8c79e39ea9f89e9d56c77a1e43994135af..8eb43a88c7388287d0b2b7bc02c04fa402dbe83b 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Äžecko
 
-Äžecko is a transaction client owned by [Axiom-Team association] and written in Dart. It is fast and secure thanks to native code compilation, Rust cryptography bindings and Duniter's new GraphQL API (GVA). It is not intended to manage member accounts, but rather simple wallets.
+Äžecko is a transaction client owned by [Axiom-Team association] and written in Dart. It is fast and secure thanks to native code compilation. It is not intended to manage member accounts, but rather simple wallets.
 
 The development is quite early, you can participate in the discussion [on the Duniter forum](https://forum.duniter.org/t/gecko-nouveau-client-de-paiements-1-sur-mobile-en-cours-de-developpement-dart-flutter/7857) (mostly FR)
 
@@ -27,7 +27,6 @@ To contribute to the code, we advise you to install the following development en
   - Android NDK
 1. Flutter SDK
 1. VSCode/Codium Flutter extension
-1. Rust toolchain
 
 This will take about 12GB on your drive and 30 min of your time (with a good connection). Don't hesitate to ask on the forum for a peer-coding session if you are stuck. 
 
@@ -58,12 +57,6 @@ Flutter is a powerfull SDK to develop Android apps. [Install it](https://flutter
 We are using VSCode and therefore document the process for this IDE. Of course you're free to use whatever you want.
 Clone the ÄŸecko repo and open a dart file (e.g. `lib/main.dart`). VSCode will suggest you to insall relevant extensions.
 
-### Rust toolchain
-
-After installing Rust with the standard [rustup install script](https://www.rust-lang.org/tools/install),
-follow the instructions to build Rust dependencies [in this separate README](./packages/dubp_rs/README.md).
-If you installed a 32bits VM, use the 32bits build command.
-
 ### Build the app
 
 In a dart file (e.g. `lib/main.dart`), type the `F5` key to build the code. The app should open automatically in your VM which is running.
@@ -72,28 +65,10 @@ In a dart file (e.g. `lib/main.dart`), type the `F5` key to build the code. The
 
 #### Linux
 
-Install dependancies:
-
-`sudo apt-get install clang cmake ninja-build pkg-config libgtk-3-dev`
-
-Then build debug for linux:
+Build debug for linux:
 
 `flutter run -d linux`
 
-If you get this error:
-
-```
-flutter /usr/share/cmake-3.16/Modules/FindPkgConfig.cmake:643 (_pkg_check_modules_internal)
-```
-
-Please try:
-
-`sudo apt install liblzma-dev`
-
-then
-
-`flutter clean && flutter run -d linux`
-
 ## Roadmap
 
 - v0.1.0 (expected date: 21-08-16)
diff --git a/deny.toml b/deny.toml
deleted file mode 100644
index e21465876f6b6b5b5959d0858ea39d742220cbbc..0000000000000000000000000000000000000000
--- a/deny.toml
+++ /dev/null
@@ -1,55 +0,0 @@
-[bans]
-multiple-versions = "warn"
-deny = [
-    # color-backtrace is nice but brings in too many dependencies and that are often outdated, so not worth it for us.
-    { name = "color-backtrace" },
-
-    # deprecated
-    { name = "quickersort" },
-
-    # term is not fully maintained, and termcolor is replacing it
-    { name = "term" },
-]
-skip-tree = [ 
-    { name = "winapi", version = "<= 0.3" },
-]
-
-[licenses]
-unlicensed = "deny"
-# We want really high confidence when inferring licenses from text
-confidence-threshold = 0.8
-allow = [
-    "AGPL-3.0",
-    "Apache-2.0",
-    "BSD-2-Clause",
-    "BSD-3-Clause",
-    "CC0-1.0",
-    "ISC",
-    "MIT",
-    "MPL-2.0",
-    "OpenSSL",
-    "Zlib"
-]
-
-[[licenses.clarify]]
-name = "ring"
-# SPDX considers OpenSSL to encompass both the OpenSSL and SSLeay licenses
-# https://spdx.org/licenses/OpenSSL.html
-# ISC - Both BoringSSL and ring use this for their new files
-# MIT - "Files in third_party/ have their own licenses, as described therein. The MIT
-# license, for third_party/fiat, which, unlike other third_party directories, is
-# compiled into non-test libraries, is included below."
-# OpenSSL - Obviously
-expression = "ISC AND MIT AND OpenSSL"
-license-files = [
-    { path = "LICENSE", hash = 0xbd0eed23 },
-]
-
-[sources]
-unknown-registry = "deny"
-unknown-git = "deny"
-allow-git = [
-    "https://git.duniter.org/libs/dubp-rs-client-lib",
-    "https://git.duniter.org/nodes/rust/modules/duniter-gva",
-    "https://github.com/librelois/fast-threadpool"
-]
\ No newline at end of file
diff --git a/lib/models/change_pin.dart b/lib/models/change_pin.dart
index 43f8bc44b532f8ccc8b0dfa9ec92768a3cb07eef..2bd4e082cf0b6f7ad38b285cbc30306a68569a56 100644
--- a/lib/models/change_pin.dart
+++ b/lib/models/change_pin.dart
@@ -1,4 +1,4 @@
-import 'package:dubp/dubp.dart';
+import 'package:durt/durt.dart';
 import 'package:flutter/material.dart';
 import 'dart:async';
 import 'package:gecko/globals.dart';
@@ -14,12 +14,12 @@ class ChangePinProvider with ChangeNotifier {
     try {
       final _dewif = chestBox.get(configBox.get('currentChest')).dewif;
 
-      NewWallet newWalletFile = await DubpRust.changeDewifPin(
+      NewWallet newWalletFile = Dewif().changePassword(
         dewif: _dewif,
-        oldPin: _oldPin.toUpperCase(),
+        oldPassword: _oldPin.toUpperCase(),
       );
 
-      newPin.text = pinToGive = newWalletFile.pin;
+      newPin.text = pinToGive = newWalletFile.password;
       ischangedPin = true;
       notifyListeners();
       return newWalletFile;
diff --git a/lib/models/generate_wallets.dart b/lib/models/generate_wallets.dart
index 57d3d3be317910a7b3891c1dde5837d6acaef5da..cf89914c330b7e28e457a710832973aed67cc63c 100644
--- a/lib/models/generate_wallets.dart
+++ b/lib/models/generate_wallets.dart
@@ -1,6 +1,6 @@
 import 'dart:math';
 import 'dart:typed_data';
-import 'package:dubp/dubp.dart';
+import 'package:durt/durt.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:gecko/globals.dart';
@@ -152,9 +152,9 @@ class GenerateWalletsProvider with ChangeNotifier {
     notifyListeners();
   }
 
-  Future<String> generateMnemonic() async {
+  Future<String> genMnemonic() async {
     try {
-      generatedMnemonic = await DubpRust.genMnemonic(language: Language.french);
+      generatedMnemonic = generateMnemonic(lang: 'french');
       actualWallet = await generateWallet(generatedMnemonic, isImport: false);
       walletIsGenerated = true;
     } catch (e) {
@@ -166,18 +166,16 @@ class GenerateWalletsProvider with ChangeNotifier {
   Future<NewWallet> generateWallet(String generatedMnemonic,
       {@required bool isImport}) async {
     try {
-      actualWallet = await DubpRust.genWalletFromMnemonic(
-        language: Language.french,
-        mnemonic: generatedMnemonic,
-        secretCodeType: SecretCodeType.letters,
-      );
+      actualWallet = Dewif().generateDewif(
+          generatedMnemonic, randomSecretCode(5),
+          lang: 'french');
     } catch (e) {
       log.e(e);
     }
 
     if (!isImport) {
       mnemonicController.text = generatedMnemonic;
-      pin.text = actualWallet.pin;
+      pin.text = actualWallet.password;
     }
     // notifyListeners();
 
@@ -185,12 +183,12 @@ class GenerateWalletsProvider with ChangeNotifier {
   }
 
   Future<NewWallet> changePinCode({bool reload}) async {
-    actualWallet = await DubpRust.changeDewifPin(
+    actualWallet = Dewif().changePassword(
       dewif: actualWallet.dewif,
-      oldPin: actualWallet.pin,
+      oldPassword: actualWallet.password,
     );
 
-    pin.text = actualWallet.pin;
+    pin.text = actualWallet.password;
     isPinChanged = true;
     if (reload) {
       notifyListeners();
@@ -238,13 +236,13 @@ class GenerateWalletsProvider with ChangeNotifier {
 
   Future<void> generateCesiumWalletPubkey(
       String _cesiumID, String _cesiumPWD) async {
-    actualWallet = await DubpRust.genWalletFromDeprecatedSaltPassword(
-        salt: _cesiumID, password: _cesiumPWD);
-    String _walletPubkey = await DubpRust.getLegacyPublicKey(
-        salt: _cesiumID, password: _cesiumPWD);
+    var cesiumWallet = CesiumWallet(_cesiumID, _cesiumPWD);
+    actualWallet =
+        Dewif().generateCesiumDewif(cesiumWallet.seed, randomSecretCode(5));
+    String _walletPubkey = cesiumWallet.pubkey;
 
     cesiumPubkey.text = _walletPubkey;
-    pin.text = actualWallet.pin;
+    pin.text = actualWallet.password;
     isPinChanged = true;
     log.d(_walletPubkey);
   }
@@ -314,7 +312,7 @@ class GenerateWalletsProvider with ChangeNotifier {
   }
 
   Future<List<String>> generateWordList() async {
-    final String _sentance = await generateMnemonic();
+    final String _sentance = await genMnemonic();
     List<String> _wordsList = [];
     String word;
     int _nbr = 1;
diff --git a/lib/models/wallet_options.dart b/lib/models/wallet_options.dart
index a1c3582b8304a32e91e2ff15317df75af8f5cd6a..fdd6f4faa211d7c12e6ded86d7c1ea3863a08349 100644
--- a/lib/models/wallet_options.dart
+++ b/lib/models/wallet_options.dart
@@ -2,7 +2,7 @@
 import 'dart:io';
 import 'dart:typed_data';
 import 'package:crypto/crypto.dart';
-import 'package:dubp/dubp.dart';
+import 'package:durt/durt.dart';
 import 'package:fast_base58/fast_base58.dart';
 import 'package:flutter/material.dart';
 import 'dart:async';
@@ -43,9 +43,8 @@ class WalletOptionsProvider with ChangeNotifier {
     }
     if (derivation != -1) {
       try {
-        List _pubkeysTmp = await DubpRust.getBip32DewifAccountsPublicKeys(
-            dewif: _dewif, secretCode: _pin, accountsIndex: [derivation]);
-        _pubkey = _pubkeysTmp[0];
+        final _wallet = HdWallet.fromDewif(_dewif, _pin);
+        _pubkey = _wallet.getPubkey(derivation);
         pubkey.text = _pubkey;
         notifyListeners();
 
@@ -58,7 +57,7 @@ class WalletOptionsProvider with ChangeNotifier {
       }
     } else {
       try {
-        _pubkey = await DubpRust.getDewifPublicKey(dewif: _dewif, pin: _pin);
+        _pubkey = CesiumWallet.fromDewif(_dewif, _pin).pubkey;
         pubkey.text = _pubkey;
         notifyListeners();
         return _pubkey;
@@ -111,17 +110,18 @@ class WalletOptionsProvider with ChangeNotifier {
   }
 
   int getPinLenght(_walletNbr) {
-    String _localDewif;
-    if (_walletNbr is int || _walletNbr == null) {
-      _localDewif = chestBox.get(configBox.get('currentChest')).dewif;
-    } else {
-      _localDewif = _walletNbr;
-    }
-
-    final int _pinLenght = DubpRust.getDewifSecretCodeLen(
-        dewif: _localDewif, secretCodeType: SecretCodeType.letters);
-
-    return _pinLenght;
+    // TODO: Get real Dewif lenght
+    // String _localDewif;
+    // if (_walletNbr is int || _walletNbr == null) {
+    //   _localDewif = chestBox.get(configBox.get('currentChest')).dewif;
+    // } else {
+    //   _localDewif = _walletNbr;
+    // }
+
+    // final int _pinLenght = DubpRust.getDewifSecretCodeLen(
+    //     dewif: _localDewif, secretCodeType: SecretCodeType.letters);
+
+    return 5;
   }
 
   void _renameWallet(List<int> _walletID, _newName, {bool isCesium}) async {
diff --git a/lib/models/wallets_profiles.dart b/lib/models/wallets_profiles.dart
index 21e0b05e3441bba762eb805207b284f0b92557b2..67726b503cb50bd6a10424a711c92d1bf3c46ce7 100644
--- a/lib/models/wallets_profiles.dart
+++ b/lib/models/wallets_profiles.dart
@@ -1,4 +1,4 @@
-import 'package:dubp/dubp.dart';
+import 'package:durt/durt.dart';
 import 'package:flutter/material.dart';
 import 'package:gecko/globals.dart';
 import 'package:gecko/models/my_wallets.dart';
@@ -64,26 +64,20 @@ class WalletsProfilesProvider with ChangeNotifier {
     int derivation;
 
     if (chestBox.get(currentChest).isCesium) {
-      derivation = 0;
+      derivation = -1;
     } else {
       derivation = defaultWallet.derivation;
     }
 
-    try {
-      await DubpRust.simplePaymentFromTransparentAccount(
-          accountIndex: derivation,
-          amount: double.parse(payAmount.text),
-          txComment: payComment.text,
-          dewif: dewif,
-          gvaEndpoint: endPointGVA,
-          secretCode: pinCode,
-          recipient: pubkey);
-      return "Success";
-    } catch (e) {
-      log.e("ERROR DUBP PAYMENTS");
-      log.e(e);
-      return "Payments errors: $e";
-    }
+    String result = await Gva(node: endPointGVA).pay(
+        recipient: pubkey,
+        amount: double.parse(payAmount.text),
+        dewif: dewif,
+        password: pinCode,
+        comment: payComment.text,
+        derivation: derivation);
+
+    return result;
   }
 
   bool isPubkey(pubkey) {
diff --git a/lib/screens/home.dart b/lib/screens/home.dart
index 776da468fb0c687518ff90212fb7ececcd3e87b1..4c65be5edd56aa7e14cbcd637a4f3af0ee90512a 100644
--- a/lib/screens/home.dart
+++ b/lib/screens/home.dart
@@ -1,5 +1,4 @@
 import 'package:bubble/bubble.dart';
-import 'package:dubp/dubp.dart';
 import 'package:gecko/globals.dart';
 import 'package:gecko/models/chest_provider.dart';
 import 'package:gecko/models/wallets_profiles.dart';
@@ -86,7 +85,6 @@ class HomeScreen extends StatelessWidget {
         builder: (ctx) => StatefulWrapper(
             onInit: () {
               WidgetsBinding.instance.addPostFrameCallback((_) {
-                DubpRust.setup();
                 if (isWalletsExists) homeClass.snackNode(ctx);
               });
             },
diff --git a/lib/screens/myWallets/change_pin.dart b/lib/screens/myWallets/change_pin.dart
index b429efbcb366eb9224fe1e9fbd26afa771ff031a..e10a52f5ad1a9dbb944d6be58dd7a823f39966e5 100644
--- a/lib/screens/myWallets/change_pin.dart
+++ b/lib/screens/myWallets/change_pin.dart
@@ -1,5 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:dubp/dubp.dart';
+import 'package:durt/durt.dart';
 import 'package:flutter/services.dart';
 import 'package:gecko/globals.dart';
 import 'package:gecko/models/change_pin.dart';
diff --git a/lib/screens/myWallets/confirm_wallet_storage.dart b/lib/screens/myWallets/confirm_wallet_storage.dart
index fe7dc15d217888648f88311a01e98e256cdbd285..0cab27fa3d9d6cdf17b025cea0b569b49a70f2fa 100644
--- a/lib/screens/myWallets/confirm_wallet_storage.dart
+++ b/lib/screens/myWallets/confirm_wallet_storage.dart
@@ -1,6 +1,5 @@
 import 'dart:async';
-
-import 'package:dubp/dubp.dart';
+import 'package:durt/durt.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:gecko/globals.dart';
diff --git a/lib/screens/myWallets/generate_wallets.dart b/lib/screens/myWallets/generate_wallets.dart
index 0adf9d507482e8c42a3e5090e77c89934499674c..370a8c6a81f4e1fac55c11fcea7c5cf32567e9df 100644
--- a/lib/screens/myWallets/generate_wallets.dart
+++ b/lib/screens/myWallets/generate_wallets.dart
@@ -25,7 +25,7 @@ class GenerateFastChestScreen extends StatelessWidget {
     SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
     GenerateWalletsProvider _generateWalletProvider =
         Provider.of<GenerateWalletsProvider>(context);
-    _generateWalletProvider.generateMnemonic();
+    _generateWalletProvider.genMnemonic();
 
     return Scaffold(
         appBar: AppBar(
@@ -40,7 +40,7 @@ class GenerateFastChestScreen extends StatelessWidget {
             child: FittedBox(
                 child: FloatingActionButton(
               heroTag: "buttonGenerateWallet",
-              onPressed: () => _generateWalletProvider.generateMnemonic(),
+              onPressed: () => _generateWalletProvider.genMnemonic(),
               child: SizedBox(
                 height: 40.0,
                 width: 40.0,
diff --git a/lib/screens/myWallets/unlocking_wallet.dart b/lib/screens/myWallets/unlocking_wallet.dart
index 77701afa56332815af1bf0cfedb6c9a26de35c40..65ce3d61ba0fa82c15e3abb3e739142ead7b9d46 100644
--- a/lib/screens/myWallets/unlocking_wallet.dart
+++ b/lib/screens/myWallets/unlocking_wallet.dart
@@ -1,5 +1,4 @@
 import 'dart:async';
-import 'package:dubp/dubp.dart';
 import 'package:flutter/services.dart';
 import 'package:gecko/models/chest_data.dart';
 import 'package:gecko/models/wallets_profiles.dart';
@@ -28,8 +27,6 @@ class UnlockingWallet extends StatelessWidget {
   var walletPin = '';
   String resultPay;
 
-  Future<NewWallet> get badWallet => null;
-
   @override
   Widget build(BuildContext context) {
     SystemChrome.setPreferredOrientations([DeviceOrientation.portraitUp]);
@@ -225,15 +222,15 @@ class UnlockingWallet extends StatelessWidget {
   }
 
   Future<bool> _paymentsResult(context) {
-    if (resultPay != "Success") log.i(resultPay);
+    if (resultPay != "success") log.i(resultPay);
     return showDialog<bool>(
       context: context,
       barrierDismissible: true, // user must tap button!
       builder: (BuildContext context) {
         return AlertDialog(
-          title: Text(resultPay == "Success"
+          title: Text(resultPay == "success"
               ? 'Paiement effecuté avec succès !'
-              : "Une erreur s'est produite lors du paiement"),
+              : "Une erreur s'est produite lors du paiement:\n$resultPay"),
           content: const SingleChildScrollView(child: Text('')),
           actions: <Widget>[
             TextButton(
diff --git a/lib/screens/onBoarding/11.dart b/lib/screens/onBoarding/11.dart
index 58e6878aa5261c0b6c8530e78a1e03255535c7c1..0c8a7a8b422ef40c1de67e268836fb50617827d8 100644
--- a/lib/screens/onBoarding/11.dart
+++ b/lib/screens/onBoarding/11.dart
@@ -1,6 +1,5 @@
 // ignore_for_file: file_names
-
-import 'package:dubp/dubp.dart';
+import 'package:durt/durt.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/material.dart';
 import 'package:gecko/globals.dart';
diff --git a/lib/screens/onBoarding/12.dart b/lib/screens/onBoarding/12.dart
index ecbc27fa6773246d17d5ab2f7a08666484ed20ed..4169dd4a22cc4d956bb4aadcfc5d802cbc66e5cb 100644
--- a/lib/screens/onBoarding/12.dart
+++ b/lib/screens/onBoarding/12.dart
@@ -1,7 +1,7 @@
 // ignore_for_file: file_names
 
 import 'dart:async';
-import 'package:dubp/dubp.dart';
+import 'package:durt/durt.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/material.dart';
 import 'package:gecko/globals.dart';
diff --git a/lib/screens/onBoarding/7.dart b/lib/screens/onBoarding/7.dart
index 6604b5b0daa96e3e5ffcb56a889822de3368b9be..5fc2b9c2082e2088a1d2b4896ae7cd7eefe662c6 100644
--- a/lib/screens/onBoarding/7.dart
+++ b/lib/screens/onBoarding/7.dart
@@ -96,9 +96,7 @@ class OnboardingStepNine extends StatelessWidget {
                       FaderTransition(
                           page: OnboardingStepTen(
                               generatedMnemonic:
-                                  _generateWalletProvider.generatedMnemonic,
-                              generatedWallet:
-                                  _generateWalletProvider.actualWallet),
+                                  _generateWalletProvider.generatedMnemonic),
                           isFast: true),
                     );
                   },
diff --git a/lib/screens/onBoarding/8.dart b/lib/screens/onBoarding/8.dart
index 342603543aa4a74f262ace876aa0c5f2817e4732..06de8ddacb03c468342454166a2db36c817c8d78 100644
--- a/lib/screens/onBoarding/8.dart
+++ b/lib/screens/onBoarding/8.dart
@@ -1,6 +1,4 @@
 // ignore_for_file: file_names
-
-import 'package:dubp/dubp.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter/material.dart';
 import 'package:gecko/globals.dart';
@@ -14,12 +12,9 @@ class OnboardingStepTen extends StatelessWidget {
   OnboardingStepTen({
     Key validationKey,
     @required this.generatedMnemonic,
-    @required this.generatedWallet,
   }) : super(key: validationKey);
 
   String generatedMnemonic;
-  NewWallet generatedWallet;
-
   TextEditingController tplController = TextEditingController();
   TextEditingController wordController = TextEditingController();
   final TextEditingController _mnemonicController = TextEditingController();
diff --git a/lib/screens/settings.dart b/lib/screens/settings.dart
index 821106299d997088ee0443d601dee62aade21b59..9b6699ceb8f15a652a93a50cc865d51d980be823 100644
--- a/lib/screens/settings.dart
+++ b/lib/screens/settings.dart
@@ -1,5 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:dubp/dubp.dart';
+import 'package:durt/durt.dart';
 import 'package:flutter/services.dart';
 import 'package:gecko/models/my_wallets.dart';
 import 'package:gecko/screens/myWallets/generate_wallets.dart';
diff --git a/native/dubp_rs/Cargo.toml b/native/dubp_rs/Cargo.toml
deleted file mode 100644
index 43591111fd871b83036b722d884f6c9ccbc48839..0000000000000000000000000000000000000000
--- a/native/dubp_rs/Cargo.toml
+++ /dev/null
@@ -1,27 +0,0 @@
-[package]
-name = "dubp_rs"
-version = "0.1.0"
-authors = ["Éloïs SANCHEZ <elois@duniter.org>"]
-license = "AGPL-3.0"
-edition = "2018"
-
-[lib]
-name = "dubp_rs"
-crate-type = ["rlib"]
-
-[dependencies]
-allo-isolate = "0.1.6"
-dubp-client = { git = "https://git.duniter.org/libs/dubp-rs-client-lib", branch = "master", features = ["blocking"], default-features = false }
-#dubp-client= { path = "../dubp-rs-client-lib", features = ["blocking"], default-features = false }
-fast-threadpool = { version = "0.3.0", default-features = false }
-once_cell = { version = "1.3.1", default-features = false, features = ["std"] }
-parking_lot = "0.11.1"
-thiserror = "1.0.24"
-
-[build-dependencies]
-cbindgen = "0.14.3"
-dart-bindgen = "0.1.7"
-
-[dev-dependencies]
-assert_matches = "1.5.0"
-rusty-hook = "^0.11.2"
\ No newline at end of file
diff --git a/native/dubp_rs/build.rs b/native/dubp_rs/build.rs
deleted file mode 100644
index 39fd1b64284b1bfcb891e7877e8f948906ad0f78..0000000000000000000000000000000000000000
--- a/native/dubp_rs/build.rs
+++ /dev/null
@@ -1,54 +0,0 @@
-//  Copyright (C) 2020  Éloïs SANCHEZ.
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-use dart_bindgen::{config::*, Codegen};
-
-fn main() {
-    let crate_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap();
-    let config = cbindgen::Config {
-        language: cbindgen::Language::C,
-        braces: cbindgen::Braces::SameLine,
-        cpp_compat: true,
-        style: cbindgen::Style::Both,
-        ..Default::default()
-    };
-    cbindgen::Builder::new()
-        .with_crate(crate_dir)
-        .with_config(config)
-        .generate()
-        .expect("Unable to generate bindings")
-        .write_to_file("binding.h");
-    let config = DynamicLibraryConfig {
-        ios: DynamicLibraryCreationMode::Executable.into(),
-        android: DynamicLibraryCreationMode::open("libdubp_rs.so").into(),
-        linux: DynamicLibraryCreationMode::open("libdubp_rs.so").into(),
-        ..Default::default()
-    };
-    // load the c header file, with config and lib name
-    let codegen = Codegen::builder()
-        .with_src_header("binding.h")
-        .with_lib_name("libdubp")
-        .with_config(config)
-        .with_allo_isolate()
-        .build()
-        .unwrap();
-    // generate the dart code and get the bindings back
-    let bindings = codegen.generate().unwrap();
-    // write the bindings to your dart package
-    // and start using it to write your own high level abstraction.
-    bindings
-        .write_to_file("../../packages/dubp_rs/lib/ffi.dart")
-        .unwrap();
-}
diff --git a/native/dubp_rs/src/async.rs b/native/dubp_rs/src/async.rs
deleted file mode 100644
index b7ce764f7ddade63d121065f6b91b714f4626347..0000000000000000000000000000000000000000
--- a/native/dubp_rs/src/async.rs
+++ /dev/null
@@ -1,42 +0,0 @@
-//  Copyright (C) 2020  Éloïs SANCHEZ.
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-use crate::*;
-
-static THREAD_POOL: Lazy<ThreadPoolSyncHandler<()>> = Lazy::new(|| {
-    ThreadPool::start(ThreadPoolConfig::low().queue_size(Some(16)), ()).into_sync_handler()
-});
-
-pub(crate) fn exec_async<F, F2, P, R>(port: i64, parse_params: F, async_job: F2)
-where
-    P: 'static + Send + Sync,
-    F: FnOnce() -> Result<P, DubpError>,
-    F2: 'static + Send + Sync + FnOnce(P) -> R,
-    DartRes: From<R>,
-{
-    match parse_params() {
-        Ok(parsed_params) => {
-            if THREAD_POOL
-                .launch(move |_| Isolate::new(port).post(DartRes::from(async_job(parsed_params))))
-                .is_err()
-            {
-                Isolate::new(port).post(DartRes::err("thread pool panicked"));
-            }
-        }
-        Err(e) => {
-            Isolate::new(port).post(DartRes::err(e));
-        }
-    }
-}
diff --git a/native/dubp_rs/src/dewif.rs b/native/dubp_rs/src/dewif.rs
deleted file mode 100644
index 84f3eee326868e69dd3520d05049cdc25e2f7550..0000000000000000000000000000000000000000
--- a/native/dubp_rs/src/dewif.rs
+++ /dev/null
@@ -1,193 +0,0 @@
-//  Copyright (C) 2020  Éloïs SANCHEZ.
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-pub mod bip32;
-pub mod classic;
-
-use crate::*;
-
-pub(super) fn change_secret_code(
-    dewif: &str,
-    old_secret_code: &str,
-    member_wallet: bool,
-    secret_code_type: SecretCodeType,
-    system_memory: i64,
-) -> Result<Vec<String>, DubpError> {
-    let new_log_n = log_n(system_memory);
-    let new_secret_code = gen_secret_code(member_wallet, secret_code_type, new_log_n)?;
-
-    let new_dewif = dubp_client::crypto::dewif::change_dewif_passphrase(
-        dewif,
-        old_secret_code,
-        &new_secret_code,
-    )
-    .map_err(DubpError::DewifReadError)?;
-
-    Ok(vec![new_dewif, new_secret_code])
-}
-
-pub(super) fn gen_dewif(
-    currency: &str,
-    language: Language,
-    mnemonic: &str,
-    member_wallet: bool,
-    secret_code_type: SecretCodeType,
-    system_memory: i64,
-) -> Result<Vec<String>, DubpError> {
-    let currency = parse_currency(currency)?;
-    let mnemonic =
-        Mnemonic::from_phrase(mnemonic, language).map_err(|_| DubpError::WrongLanguage)?;
-
-    let log_n = log_n(system_memory);
-    let secret_code = gen_secret_code(member_wallet, secret_code_type, log_n)?;
-
-    let dewif =
-        dubp_client::crypto::dewif::create_dewif_v1(currency, log_n, &mnemonic, &secret_code)
-            .map_err(|_| DubpError::RandErr)?;
-
-    Ok(vec![dewif, secret_code])
-}
-
-pub(super) fn get_dewif_meta(
-    dewif: &str,
-    member_wallet: bool,
-    secret_code_type: SecretCodeType,
-) -> Result<Vec<String>, DubpError> {
-    let dubp_client::crypto::dewif::DewifMeta {
-        algo,
-        currency,
-        log_n,
-        version,
-    } = dubp_client::crypto::dewif::read_dewif_meta(dewif).map_err(DubpError::DewifReadError)?;
-
-    let secret_code_len =
-        crate::secret_code::compute_secret_code_len(member_wallet, secret_code_type, log_n)?;
-
-    Ok(vec![
-        if algo == KeysAlgo::Bip32Ed25519 {
-            "Bip32Ed25519".to_owned()
-        } else {
-            "Ed25519".to_owned()
-        },
-        currency.to_string(),
-        secret_code_len.to_string(),
-        version.to_string(),
-    ])
-}
-
-pub(super) fn get_pubkey(
-    account_index_opt: Option<u32>,
-    address_index_opt: Option<U31>,
-    currency: Currency,
-    dewif: &str,
-    external_opt: Option<bool>,
-    secret_code: &str,
-) -> Result<String, DubpError> {
-    if let Some(account_index) = account_index_opt {
-        dewif::bip32::get_bip32_pubkey(
-            account_index,
-            address_index_opt,
-            currency,
-            dewif,
-            external_opt,
-            secret_code,
-        )
-    } else if address_index_opt.is_none() && external_opt.is_none() {
-        let DewifContent { payload, .. } = dubp_client::crypto::dewif::read_dewif_content(
-            ExpectedCurrency::Specific(currency),
-            dewif,
-            &secret_code.to_ascii_uppercase(),
-        )
-        .map_err(DubpError::DewifReadError)?;
-
-        match payload {
-            DewifPayload::Ed25519(keypair) => Ok(keypair.public_key().to_base58()),
-            DewifPayload::Bip32Ed25519(_) => Err(DubpError::GetMasterPubkeyOfHdWallet),
-        }
-    } else {
-        Err(DubpError::GiveExternalBoolOrAddressIndexForLegacyWallet)
-    }
-}
-
-pub(super) fn get_secret_code_len(
-    dewif: *const raw::c_char,
-    member_wallet: u32,
-    secret_code_type: u32,
-) -> Result<usize, DubpError> {
-    let dewif = char_ptr_to_str(dewif)?;
-    let member_wallet = member_wallet != 0;
-    let secret_code_type = SecretCodeType::from(secret_code_type);
-
-    let log_n = dubp_client::crypto::dewif::read_dewif_log_n(ExpectedCurrency::Any, dewif)
-        .map_err(DubpError::DewifReadError)?;
-
-    crate::secret_code::compute_secret_code_len(member_wallet, secret_code_type, log_n)
-}
-
-pub(crate) fn log_n(system_memory: i64) -> u8 {
-    if system_memory > 3_000_000_000 {
-        15
-    } else {
-        12
-    }
-}
-
-pub(super) fn sign(
-    account_index_opt: Option<u32>,
-    address_index_opt: Option<U31>,
-    currency: Currency,
-    dewif: &str,
-    external_opt: Option<bool>,
-    secret_code: &str,
-    msg: &str,
-) -> Result<String, DubpError> {
-    if let Some(account_index) = account_index_opt {
-        dewif::bip32::sign_bip32(
-            account_index,
-            address_index_opt,
-            currency,
-            dewif,
-            external_opt,
-            secret_code,
-            msg,
-        )
-    } else {
-        dewif::classic::sign(currency, dewif, secret_code, msg)
-    }
-}
-
-pub(super) fn sign_several(
-    account_index_opt: Option<u32>,
-    address_index_opt: Option<U31>,
-    currency: Currency,
-    dewif: &str,
-    external_opt: Option<bool>,
-    secret_code: &str,
-    msgs: &[&str],
-) -> Result<Vec<String>, DubpError> {
-    if let Some(account_index) = account_index_opt {
-        dewif::bip32::sign_several_bip32(
-            account_index,
-            address_index_opt,
-            currency,
-            dewif,
-            external_opt,
-            secret_code,
-            msgs,
-        )
-    } else {
-        dewif::classic::sign_several(currency, dewif, secret_code, msgs)
-    }
-}
diff --git a/native/dubp_rs/src/dewif/bip32.rs b/native/dubp_rs/src/dewif/bip32.rs
deleted file mode 100644
index a90ede262b79ca1881698723a60d794d2e16ec60..0000000000000000000000000000000000000000
--- a/native/dubp_rs/src/dewif/bip32.rs
+++ /dev/null
@@ -1,436 +0,0 @@
-//  Copyright (C) 2020  Éloïs SANCHEZ.
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-use crate::*;
-
-#[derive(Debug)]
-struct OpaqueAccount {
-    address_index: u32,
-    chain_code: ChainCode,
-    public_key: PublicKey,
-}
-
-static CHAINING_EXTERNAL_PUBKEYS: Lazy<Arc<Mutex<HashMap<u32, OpaqueAccount>>>> =
-    Lazy::new(|| Arc::new(Mutex::new(HashMap::new())));
-
-pub(crate) fn get_accounts_pubkeys(
-    currency: Currency,
-    dewif: &str,
-    secret_code: &str,
-    accounts_indexs: Vec<U31>,
-) -> Result<Vec<String>, DubpError> {
-    if accounts_indexs.contains(&U31::new(0)?) {
-        verify_member_secret_code(currency, dewif, secret_code)?;
-    }
-    let DewifContent { payload, .. } = dubp_client::crypto::dewif::read_dewif_content(
-        ExpectedCurrency::Specific(currency),
-        dewif,
-        &secret_code.to_ascii_uppercase(),
-    )
-    .map_err(DubpError::DewifReadError)?;
-    match payload {
-        DewifPayload::Bip32Ed25519(mnemonic) => {
-            let master_keypair = KeyPair::from_mnemonic(&mnemonic);
-            Ok(accounts_indexs
-                .into_iter()
-                .map(|account_index| {
-                    PrivateDerivationPath::transparent(account_index)
-                        .map(|path| master_keypair.derive(path).public_key().to_base58())
-                })
-                .collect::<Result<Vec<_>, InvalidAccountIndex>>()?)
-        }
-        _ => Err(DubpError::NotHdWallet),
-    }
-}
-
-pub(crate) fn get_bip32_keypair(
-    account_index: u32,
-    address_index_opt: Option<U31>,
-    currency: Currency,
-    dewif: &str,
-    external_opt: Option<bool>,
-    secret_code: &str,
-) -> Result<KeyPairEnum, DubpError> {
-    let DewifContent { payload, .. } = dubp_client::crypto::dewif::read_dewif_content(
-        ExpectedCurrency::Specific(currency),
-        dewif,
-        &secret_code.to_ascii_uppercase(),
-    )
-    .map_err(DubpError::DewifReadError)?;
-
-    if account_index == 0 {
-        verify_member_secret_code(currency, dewif, secret_code)?;
-    }
-
-    match payload {
-        DewifPayload::Bip32Ed25519(mnemonic) => {
-            let master_keypair = KeyPair::from_mnemonic(&mnemonic);
-            Ok(KeyPairEnum::Bip32Ed25519(master_keypair.derive(
-                z_get_derivation_path(account_index, address_index_opt, external_opt)?,
-            )))
-        }
-        _ => Err(DubpError::NotHdWallet),
-    }
-}
-
-pub(crate) fn get_bip32_pubkey(
-    account_index: u32,
-    address_index_opt: Option<U31>,
-    currency: Currency,
-    dewif: &str,
-    external_opt: Option<bool>,
-    secret_code: &str,
-) -> Result<String, DubpError> {
-    let DewifContent { payload, .. } = dubp_client::crypto::dewif::read_dewif_content(
-        ExpectedCurrency::Specific(currency),
-        dewif,
-        &secret_code.to_ascii_uppercase(),
-    )
-    .map_err(DubpError::DewifReadError)?;
-
-    if account_index == 0 {
-        verify_member_secret_code(currency, dewif, secret_code)?;
-    }
-
-    match payload {
-        DewifPayload::Bip32Ed25519(mnemonic) => {
-            let master_keypair = KeyPair::from_mnemonic(&mnemonic);
-            Ok(master_keypair
-                .derive(z_get_derivation_path(
-                    account_index,
-                    address_index_opt,
-                    external_opt,
-                )?)
-                .public_key()
-                .to_base58())
-        }
-        _ => Err(DubpError::NotHdWallet),
-    }
-}
-
-pub(crate) fn get_opaque_account_next_external_address(
-    account_index: U31,
-) -> Result<String, DubpError> {
-    let mut guard = CHAINING_EXTERNAL_PUBKEYS.lock();
-    if let Some(opaque_account) = guard.get_mut(&account_index.into_u32()) {
-        let next_address = PublicKeyWithChainCode {
-            chain_code: opaque_account.chain_code,
-            public_key: opaque_account.public_key,
-        }
-        .derive(U31::new(opaque_account.address_index).expect("unreachable"))
-        .expect("unreachable")
-        .public_key;
-
-        opaque_account.address_index += 1;
-
-        Ok(next_address.to_base58())
-    } else {
-        Err(DubpError::OpaqueAccountNotLoaded)
-    }
-}
-
-pub(crate) fn get_mnemonic(
-    currency: Currency,
-    dewif: &str,
-    secret_code: &str,
-) -> Result<String, DubpError> {
-    let DewifContent { payload, .. } = dubp_client::crypto::dewif::read_dewif_content(
-        ExpectedCurrency::Specific(currency),
-        dewif,
-        &secret_code.to_ascii_uppercase(),
-    )
-    .map_err(DubpError::DewifReadError)?;
-
-    match payload {
-        DewifPayload::Bip32Ed25519(mnemonic) => Ok(mnemonic.phrase().to_owned()),
-        _ => Err(DubpError::NotHdWallet),
-    }
-}
-
-pub(crate) fn load_opaque_bip32_accounts(
-    accounts_indexs: Vec<U31>,
-    currency: Currency,
-    dewif: &str,
-    secret_code: &str,
-) -> Result<(), DubpError> {
-    let DewifContent { payload, .. } = dubp_client::crypto::dewif::read_dewif_content(
-        ExpectedCurrency::Specific(currency),
-        dewif,
-        &secret_code.to_ascii_uppercase(),
-    )
-    .map_err(DubpError::DewifReadError)?;
-    match payload {
-        DewifPayload::Bip32Ed25519(mnemonic) => {
-            let master_keypair = KeyPair::from_mnemonic(&mnemonic);
-            for account_index in accounts_indexs {
-                let external_path = PrivateDerivationPath::opaque(account_index, true, None)?;
-                let external_kp = master_keypair.derive(external_path);
-                let opaque_account = OpaqueAccount {
-                    address_index: 0,
-                    public_key: external_kp.public_key(),
-                    chain_code: external_kp.chain_code(),
-                };
-
-                let mut guard = CHAINING_EXTERNAL_PUBKEYS.lock();
-                guard.insert(account_index.into_u32(), opaque_account);
-            }
-            Ok(())
-        }
-        _ => Err(DubpError::NotHdWallet),
-    }
-}
-
-pub(crate) fn sign_bip32(
-    account_index: u32,
-    address_index_opt: Option<U31>,
-    currency: Currency,
-    dewif: &str,
-    external_opt: Option<bool>,
-    secret_code: &str,
-    msg: &str,
-) -> Result<String, DubpError> {
-    let DewifContent { payload, .. } = dubp_client::crypto::dewif::read_dewif_content(
-        ExpectedCurrency::Specific(currency),
-        dewif,
-        &secret_code.to_ascii_uppercase(),
-    )
-    .map_err(DubpError::DewifReadError)?;
-
-    if account_index == 0 {
-        verify_member_secret_code(currency, dewif, secret_code)?;
-    }
-
-    match payload {
-        DewifPayload::Bip32Ed25519(mnemonic) => {
-            let master_keypair = KeyPair::from_mnemonic(&mnemonic);
-            sign_bip32_inner(
-                account_index,
-                address_index_opt,
-                external_opt,
-                master_keypair,
-                msg,
-            )
-        }
-        _ => Err(DubpError::NotHdWallet),
-    }
-}
-
-pub(crate) fn sign_several_bip32(
-    account_index: u32,
-    address_index_opt: Option<U31>,
-    currency: Currency,
-    dewif: &str,
-    external_opt: Option<bool>,
-    secret_code: &str,
-    msgs: &[&str],
-) -> Result<Vec<String>, DubpError> {
-    let DewifContent { payload, .. } = dubp_client::crypto::dewif::read_dewif_content(
-        ExpectedCurrency::Specific(currency),
-        dewif,
-        &secret_code.to_ascii_uppercase(),
-    )
-    .map_err(DubpError::DewifReadError)?;
-
-    if account_index == 0 {
-        verify_member_secret_code(currency, dewif, secret_code)?;
-    }
-
-    match payload {
-        DewifPayload::Bip32Ed25519(mnemonic) => {
-            let master_keypair = KeyPair::from_mnemonic(&mnemonic);
-            sign_several_bip32_inner(
-                account_index,
-                address_index_opt,
-                external_opt,
-                master_keypair,
-                msgs,
-            )
-        }
-        _ => Err(DubpError::NotHdWallet),
-    }
-}
-
-fn sign_bip32_inner(
-    account_index: u32,
-    address_index_opt: Option<U31>,
-    external_opt: Option<bool>,
-    master_keypair: KeyPair,
-    msg: &str,
-) -> Result<String, DubpError> {
-    Ok(master_keypair
-        .derive(z_get_derivation_path(
-            account_index,
-            address_index_opt,
-            external_opt,
-        )?)
-        .generate_signator()
-        .sign(msg.as_bytes())
-        .to_base64())
-}
-
-fn sign_several_bip32_inner(
-    account_index: u32,
-    address_index_opt: Option<U31>,
-    external_opt: Option<bool>,
-    master_keypair: KeyPair,
-    msgs: &[&str],
-) -> Result<Vec<String>, DubpError> {
-    let signator = master_keypair
-        .derive(z_get_derivation_path(
-            account_index,
-            address_index_opt,
-            external_opt,
-        )?)
-        .generate_signator();
-
-    Ok(msgs
-        .iter()
-        .map(|msg| signator.sign(msg.as_bytes()).to_base64())
-        .collect())
-}
-
-fn verify_member_secret_code(
-    currency: Currency,
-    dewif: &str,
-    secret_code: &str,
-) -> Result<(), DubpError> {
-    if crate::secret_code::is_ascii_letters(secret_code) {
-        let log_n = dubp_client::crypto::dewif::read_dewif_log_n(
-            ExpectedCurrency::Specific(currency),
-            dewif,
-        )
-        .map_err(DubpError::DewifReadError)?;
-        let expected_secret_code_len =
-            crate::secret_code::compute_secret_code_len(true, SecretCodeType::Letters, log_n)?;
-
-        if secret_code.len() < expected_secret_code_len {
-            Err(DubpError::SecretCodeTooShort)
-        } else {
-            Ok(())
-        }
-    } else {
-        Err(DubpError::InvalidSecretCodeType)
-    }
-}
-
-fn z_get_derivation_path(
-    account_index: u32,
-    address_index_opt: Option<U31>,
-    external_opt: Option<bool>,
-) -> Result<PrivateDerivationPath, DubpError> {
-    let account_index_u31 = U31::new(account_index)?;
-    match account_index % 3 {
-        0 => Ok(PrivateDerivationPath::transparent(account_index_u31)?),
-        1 => {
-            if let Some(external) = external_opt {
-                if external {
-                    if address_index_opt.is_none() {
-                        Ok(PrivateDerivationPath::semi_opaque_external(
-                            account_index_u31,
-                        )?)
-                    } else {
-                        Err(DubpError::InvalidAccountIndex(InvalidAccountIndex))
-                    }
-                } else if address_index_opt.is_some() {
-                    Ok(PrivateDerivationPath::semi_opaque_internal(
-                        account_index_u31,
-                        address_index_opt,
-                    )?)
-                } else {
-                    Err(DubpError::TryToSignWithInternalChainingAddress)
-                }
-            } else {
-                Err(DubpError::MissingExternalBool)
-            }
-        }
-        2 => {
-            if address_index_opt.is_some() {
-                if let Some(external) = external_opt {
-                    Ok(PrivateDerivationPath::opaque(
-                        account_index_u31,
-                        external,
-                        address_index_opt,
-                    )?)
-                } else {
-                    Err(DubpError::MissingExternalBool)
-                }
-            } else {
-                Err(DubpError::TryToSignWithChainingAddress)
-            }
-        }
-        _ => unreachable!(),
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use assert_matches::assert_matches;
-
-    const MNEMONIC: &str =
-        "tongue cute mail fossil great frozen same social weasel impact brush kind";
-
-    #[test]
-    fn test_get_accounts_pubkeys() -> Result<(), DubpError> {
-        let vec = crate::dewif::gen_dewif(
-            "g1",
-            Language::English,
-            MNEMONIC,
-            false,
-            SecretCodeType::Letters,
-            1_000,
-        )?;
-        let dewif = &vec[0];
-        let secret_code = &vec[1];
-        //println!("TMP: secret_code={}", secret_code);
-
-        assert_matches!(
-            get_accounts_pubkeys(
-                Currency::from(G1_CURRENCY),
-                dewif,
-                secret_code,
-                vec![U31::new(0).expect("unreachable")],
-            ),
-            Err(DubpError::SecretCodeTooShort)
-        );
-
-        Ok(())
-    }
-
-    #[test]
-    fn test_sign_bip32() {
-        assert_matches!(
-            z_get_derivation_path(1, None, None),
-            Err(DubpError::MissingExternalBool)
-        );
-        assert_matches!(
-            z_get_derivation_path(2, None, None),
-            Err(DubpError::TryToSignWithChainingAddress)
-        );
-        assert_matches!(z_get_derivation_path(3, None, None), Ok(_));
-        assert_matches!(
-            z_get_derivation_path(1, None, Some(false)),
-            Err(DubpError::TryToSignWithInternalChainingAddress)
-        );
-        assert_matches!(
-            z_get_derivation_path(2, None, Some(true)),
-            Err(DubpError::TryToSignWithChainingAddress)
-        );
-        assert_matches!(
-            z_get_derivation_path(1, Some(U31::new(5).expect("unreachable")), Some(true),),
-            Err(DubpError::InvalidAccountIndex(_))
-        );
-    }
-}
diff --git a/native/dubp_rs/src/dewif/classic.rs b/native/dubp_rs/src/dewif/classic.rs
deleted file mode 100644
index 19b6f593862ca7117a0babd0210e1b6a5c49d915..0000000000000000000000000000000000000000
--- a/native/dubp_rs/src/dewif/classic.rs
+++ /dev/null
@@ -1,58 +0,0 @@
-//  Copyright (C) 2020  Éloïs SANCHEZ.
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-use crate::*;
-
-pub(crate) fn sign(
-    currency: Currency,
-    dewif: &str,
-    secret_code: &str,
-    msg: &str,
-) -> Result<String, DubpError> {
-    let DewifContent { payload, .. } = dubp_client::crypto::dewif::read_dewif_content(
-        ExpectedCurrency::Specific(currency),
-        dewif,
-        &secret_code.to_ascii_uppercase(),
-    )
-    .map_err(DubpError::DewifReadError)?;
-    if let DewifPayload::Ed25519(keypair) = payload {
-        Ok(keypair.generate_signator().sign(msg.as_bytes()).to_base64())
-    } else {
-        Err(DubpError::DewifReadError(DewifReadError::CorruptedContent))
-    }
-}
-
-pub(crate) fn sign_several(
-    currency: Currency,
-    dewif: &str,
-    secret_code: &str,
-    msgs: &[&str],
-) -> Result<Vec<String>, DubpError> {
-    let DewifContent { payload, .. } = dubp_client::crypto::dewif::read_dewif_content(
-        ExpectedCurrency::Specific(currency),
-        dewif,
-        &secret_code.to_ascii_uppercase(),
-    )
-    .map_err(DubpError::DewifReadError)?;
-    if let DewifPayload::Ed25519(keypair) = payload {
-        let signator = keypair.generate_signator();
-        Ok(msgs
-            .iter()
-            .map(|msg| signator.sign(msg.as_bytes()).to_base64())
-            .collect())
-    } else {
-        Err(DubpError::DewifReadError(DewifReadError::CorruptedContent))
-    }
-}
diff --git a/native/dubp_rs/src/error.rs b/native/dubp_rs/src/error.rs
deleted file mode 100644
index 479b0c2b948c66c9edae4c8593ced6a15b8985d9..0000000000000000000000000000000000000000
--- a/native/dubp_rs/src/error.rs
+++ /dev/null
@@ -1,135 +0,0 @@
-//  Copyright (C) 2020  Éloïs SANCHEZ.
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-use crate::*;
-
-/// Dubp error
-#[allow(clippy::large_enum_variant)]
-#[derive(Debug, Error)]
-pub(crate) enum DubpError {
-    #[error("{0}")]
-    DewifReadError(DewifReadError),
-    #[error("Digits secret code forbid for member wallet")]
-    DigitsCodeForbidForMemberWallet,
-    #[error("It is forbidden to retrieve the master public key of an HD wallet.")]
-    GetMasterPubkeyOfHdWallet,
-    #[error("Give external bool or address index for legacy wallet.")]
-    GiveExternalBoolOrAddressIndexForLegacyWallet,
-    #[error("{0}")]
-    GvaClientError(dubp_client::GvaClientError),
-    #[error("I/O error: {0}")]
-    IoErr(io::Error),
-    #[error("{0}")]
-    InvalidAccountIndex(InvalidAccountIndex),
-    #[error("{0}")]
-    InvalidPubkey(PublicKeyFromStrErr),
-    #[error("{0}")]
-    InvalidScript(dubp_client::documents_parser::TextParseError),
-    #[error("{0}")]
-    InvalidU31(U31Error),
-    #[error("Invalid secret code type")]
-    InvalidSecretCodeType,
-    #[error("Missing external bool")]
-    MissingExternalBool,
-    #[error("this wallet is not an HD wallet")]
-    NotHdWallet,
-    #[error("A given parameter is null")]
-    NullParamErr,
-    #[error("Opaque account not loaded")]
-    OpaqueAccountNotLoaded,
-    #[error("Payment error: {0}")]
-    PaymentError(String),
-    #[error("Secret code too short: please change your secret code")]
-    SecretCodeTooShort,
-    #[error("The chaining address cannot be used to sign with opaque account")]
-    TryToSignWithChainingAddress,
-    #[error("The internal chaining address cannot be used to sign with semi-opaque account")]
-    TryToSignWithInternalChainingAddress,
-    #[error("fail to generate random bytes")]
-    RandErr,
-    #[error("Unknown currency name")]
-    UnknownCurrencyName,
-    #[error("Unknown language")]
-    UnknownLanguage,
-    //#[error("Unsupported DEWIF version")]
-    //UnsupportedDewifVersion,
-    #[error("{0}")]
-    Utf8Error(std::str::Utf8Error),
-    #[error("Wrong language")]
-    WrongLanguage,
-}
-
-impl From<io::Error> for DubpError {
-    fn from(e: io::Error) -> Self {
-        Self::IoErr(e)
-    }
-}
-
-impl From<InvalidAccountIndex> for DubpError {
-    fn from(e: InvalidAccountIndex) -> Self {
-        Self::InvalidAccountIndex(e)
-    }
-}
-
-impl From<U31Error> for DubpError {
-    fn from(e: U31Error) -> Self {
-        Self::InvalidU31(e)
-    }
-}
-
-pub(crate) struct DartRes(allo_isolate::ffi::DartCObject);
-impl DartRes {
-    pub(crate) fn err<E: ToString>(e: E) -> allo_isolate::ffi::DartCObject {
-        vec![format!("DUBP_RS_ERROR: {}", e.to_string())].into_dart()
-    }
-}
-impl IntoDart for DartRes {
-    fn into_dart(self) -> allo_isolate::ffi::DartCObject {
-        self.0.into_dart()
-    }
-}
-impl<E> From<Result<(), E>> for DartRes
-where
-    E: ToString,
-{
-    fn from(res: Result<(), E>) -> Self {
-        match res {
-            Ok(()) => Self("".into_dart()),
-            Err(e) => Self(format!("DUBP_RS_ERROR: {}", e.to_string()).into_dart()),
-        }
-    }
-}
-impl<E> From<Result<String, E>> for DartRes
-where
-    E: ToString,
-{
-    fn from(res: Result<String, E>) -> Self {
-        match res {
-            Ok(string) => Self(string.into_dart()),
-            Err(e) => Self(format!("DUBP_RS_ERROR: {}", e.to_string()).into_dart()),
-        }
-    }
-}
-impl<E> From<Result<Vec<String>, E>> for DartRes
-where
-    E: ToString,
-{
-    fn from(res: Result<Vec<String>, E>) -> Self {
-        match res {
-            Ok(vec_string) => Self(vec_string.into_dart()),
-            Err(e) => Self(vec![format!("DUBP_RS_ERROR: {}", e.to_string())].into_dart()),
-        }
-    }
-}
diff --git a/native/dubp_rs/src/inputs.rs b/native/dubp_rs/src/inputs.rs
deleted file mode 100644
index bd6fcc983e0378d0ca4fe4e2bfc17c832b6dfece..0000000000000000000000000000000000000000
--- a/native/dubp_rs/src/inputs.rs
+++ /dev/null
@@ -1,142 +0,0 @@
-//  Copyright (C) 2020  Éloïs SANCHEZ.
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-use crate::*;
-
-#[derive(Clone, Copy, Debug)]
-pub(crate) enum SecretCodeType {
-    Digits,
-    Letters,
-}
-impl From<u32> for SecretCodeType {
-    fn from(i: u32) -> Self {
-        if i == 0 {
-            SecretCodeType::Digits
-        } else {
-            SecretCodeType::Letters
-        }
-    }
-}
-#[derive(Clone, Copy, Debug)]
-pub(crate) enum WalletType {
-    Ed25519,
-    Bip32Ed25519,
-}
-impl From<u32> for WalletType {
-    fn from(i: u32) -> Self {
-        if i == 1 {
-            WalletType::Bip32Ed25519
-        } else {
-            WalletType::Ed25519
-        }
-    }
-}
-
-pub(crate) fn char_ptr_to_str<'a>(c_char_ptr: *const raw::c_char) -> Result<&'a str, DubpError> {
-    if c_char_ptr.is_null() {
-        Err(DubpError::NullParamErr)
-    } else {
-        unsafe { CStr::from_ptr(c_char_ptr).to_str() }.map_err(DubpError::Utf8Error)
-    }
-}
-
-pub(crate) fn char_ptr_to_opt_string(
-    c_char_ptr: *const raw::c_char,
-) -> Result<Option<String>, DubpError> {
-    Ok(if c_char_ptr.is_null() {
-        None
-    } else {
-        Some(
-            unsafe { CStr::from_ptr(c_char_ptr).to_str() }
-                .map_err(DubpError::Utf8Error)?
-                .to_owned(),
-        )
-    })
-}
-
-pub(crate) fn char_ptr_prt_to_vec_u31(
-    u32_ptr: *const u32,
-    len: u32,
-) -> Result<Vec<U31>, DubpError> {
-    u32_ptr_to_vec_u32(u32_ptr, len)
-        .into_iter()
-        .map(|ai| U31::new(ai).map_err(DubpError::InvalidU31))
-        .collect()
-}
-
-pub(crate) fn char_ptr_prt_to_vec_str<'a>(
-    char_ptr_ptr: *const *const raw::c_char,
-    len: u32,
-) -> Result<Vec<&'a str>, DubpError> {
-    let len = len as usize;
-    let char_ptr_slice: &[*const raw::c_char] =
-        unsafe { std::slice::from_raw_parts(char_ptr_ptr, len) };
-    let mut str_vec = Vec::with_capacity(len);
-    for char_ptr in char_ptr_slice {
-        str_vec.push(char_ptr_to_str(*char_ptr)?);
-    }
-    Ok(str_vec)
-}
-
-pub(crate) fn i32_to_opt_bool(i: i32) -> Option<bool> {
-    match i {
-        1 => Some(true),
-        0 => Some(false),
-        _ => None,
-    }
-}
-
-pub(crate) fn i32_to_opt_u31(i: i32) -> Result<Option<U31>, DubpError> {
-    if i >= 0 {
-        Ok(Some(U31::new(i as u32)?))
-    } else {
-        Ok(None)
-    }
-}
-
-pub(crate) fn i32_to_opt_u32(i: i32) -> Option<u32> {
-    if i >= 0 {
-        Some(i as u32)
-    } else {
-        None
-    }
-}
-
-pub(crate) fn parse_currency(currency: &str) -> Result<Currency, DubpError> {
-    let currency_code = match currency {
-        "g1" => G1_CURRENCY,
-        "g1-test" | "gt" => G1_TEST_CURRENCY,
-        _ => return Err(DubpError::UnknownCurrencyName),
-    };
-    Ok(Currency::from(currency_code))
-}
-
-pub(crate) fn u32_ptr_to_vec_u32(u32_ptr: *const u32, len: u32) -> Vec<u32> {
-    let len = len as usize;
-    let u32_slice: &[u32] = unsafe { std::slice::from_raw_parts(u32_ptr, len) };
-    let mut vec = Vec::with_capacity(len);
-    for u32_ in u32_slice {
-        vec.push(*u32_);
-    }
-    vec
-}
-
-pub(crate) fn u32_to_language(i: u32) -> Result<Language, DubpError> {
-    match i {
-        0 => Ok(Language::English),
-        1 => Ok(Language::French),
-        _ => Err(DubpError::UnknownLanguage),
-    }
-}
diff --git a/native/dubp_rs/src/legacy.rs b/native/dubp_rs/src/legacy.rs
deleted file mode 100644
index 1522aeec6f9331bd22aa068cdac4ebdc8d2174bc..0000000000000000000000000000000000000000
--- a/native/dubp_rs/src/legacy.rs
+++ /dev/null
@@ -1,89 +0,0 @@
-//  Copyright (C) 2020  Éloïs SANCHEZ.
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-use crate::*;
-use dubp_client::crypto::keys::ed25519::{KeyPairFromSaltedPasswordGenerator, SaltedPassword};
-
-#[allow(deprecated)]
-pub(super) fn gen_dewif_from_legacy(
-    currency: &str,
-    salt: String,
-    password: String,
-    member_wallet: bool,
-    secret_code_type: SecretCodeType,
-    system_memory: i64,
-) -> Result<Vec<String>, DubpError> {
-    let currency = parse_currency(currency)?;
-    let keypair = KeyPairFromSaltedPasswordGenerator::with_default_parameters()
-        .generate(SaltedPassword::new(salt.clone(), password.clone()));
-
-    let log_n = crate::dewif::log_n(system_memory);
-    let secret_code = gen_secret_code(member_wallet, secret_code_type, log_n)?;
-    let dewif = dubp_client::crypto::dewif::create_dewif_v1_legacy(
-        currency,
-        log_n,
-        password,
-        salt,
-        &secret_code,
-    )
-    .map_err(|_| DubpError::RandErr)?;
-    let pubkey = keypair.public_key().to_base58();
-    Ok(vec![dewif, secret_code, pubkey])
-}
-
-pub(super) fn get_pubkey(salt: &str, password: &str) -> String {
-    KeyPairFromSaltedPasswordGenerator::with_default_parameters()
-        .generate(SaltedPassword::new(salt.to_owned(), password.to_owned()))
-        .public_key()
-        .to_base58()
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_dewif_legacy() -> Result<(), DubpError> {
-        let wallet = gen_dewif_from_legacy(
-            "g1",
-            "salt".to_owned(),
-            "pass".to_owned(),
-            false,
-            SecretCodeType::Letters,
-            1_000_000_000,
-        )?;
-        let dewif = &wallet[0];
-        let secret_code = &wallet[1];
-        let pubkey = &wallet[2];
-
-        assert_eq!(pubkey, "3YumN7F7D8c2hmkHLHf3ZD8wc3tBHiECEK9zLPkaJtAF");
-
-        assert_eq!(get_pubkey("salt", "pass"), pubkey.to_owned());
-
-        assert_eq!(
-            crate::dewif::get_pubkey(
-                None,
-                None,
-                Currency::from(G1_CURRENCY),
-                &dewif,
-                None,
-                &secret_code
-            )?,
-            pubkey.to_owned()
-        );
-
-        Ok(())
-    }
-}
diff --git a/native/dubp_rs/src/lib.rs b/native/dubp_rs/src/lib.rs
deleted file mode 100644
index 64876fc4bd3bfedc3d736d9fd0546ef87a334891..0000000000000000000000000000000000000000
--- a/native/dubp_rs/src/lib.rs
+++ /dev/null
@@ -1,536 +0,0 @@
-//  Copyright (C) 2020  Éloïs SANCHEZ.
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-#![allow(clippy::missing_safety_doc, clippy::not_unsafe_ptr_arg_deref)]
-
-mod r#async;
-mod dewif;
-mod error;
-mod inputs;
-mod legacy;
-mod mnemonic;
-mod payment;
-mod pubkey;
-mod secret_code;
-
-use crate::error::{DartRes, DubpError};
-use crate::inputs::*;
-use crate::r#async::exec_async;
-use crate::secret_code::gen_secret_code;
-use allo_isolate::{IntoDart, Isolate};
-use dubp_client::crypto::{
-    bases::b58::ToBase58,
-    dewif::{
-        Currency, DewifContent, DewifPayload, DewifReadError, ExpectedCurrency, G1_CURRENCY,
-        G1_TEST_CURRENCY,
-    },
-    keys::{
-        ed25519::bip32::{
-            ChainCode, InvalidAccountIndex, KeyPair, PrivateDerivationPath, PublicKeyWithChainCode,
-        },
-        ed25519::{KeyPairFromSeed32Generator, PublicKey, PublicKeyFromStrErr},
-        KeyPair as _, KeyPairEnum, KeysAlgo, PublicKey as _, Signator as _, Signature as _,
-    },
-    mnemonic::{Language, Mnemonic, MnemonicType},
-    utils::{U31Error, U31},
-};
-use fast_threadpool::{ThreadPool, ThreadPoolConfig, ThreadPoolSyncHandler};
-use once_cell::sync::Lazy;
-use parking_lot::Mutex;
-use std::{collections::HashMap, ffi::CStr, io, os::raw, sync::Arc};
-use thiserror::Error;
-
-#[no_mangle]
-pub extern "C" fn change_dewif_secret_code(
-    port: i64,
-    dewif: *const raw::c_char,
-    old_secret_code: *const raw::c_char,
-    member_wallet: u32,
-    secret_code_type: u32,
-    system_memory: i64,
-) {
-    exec_async(
-        port,
-        || {
-            let dewif = char_ptr_to_str(dewif)?;
-            let old_secret_code = char_ptr_to_str(old_secret_code)?;
-            let member_wallet = member_wallet != 0;
-            let secret_code_type = SecretCodeType::from(secret_code_type);
-            Ok((
-                dewif,
-                old_secret_code,
-                member_wallet,
-                secret_code_type,
-                system_memory,
-            ))
-        },
-        |(dewif, old_secret_code, member_wallet, secret_code_type, system_memory)| {
-            dewif::change_secret_code(
-                dewif,
-                old_secret_code,
-                member_wallet,
-                secret_code_type,
-                system_memory,
-            )
-        },
-    )
-}
-
-#[no_mangle]
-pub extern "C" fn check_pubkey(port: i64, pubkey: *const raw::c_char) {
-    exec_async(port, || char_ptr_to_str(pubkey), pubkey::check_pubkey)
-}
-
-#[no_mangle]
-pub extern "C" fn compute_checksum(port: i64, pubkey: *const raw::c_char) {
-    exec_async(port, || char_ptr_to_str(pubkey), pubkey::compute_checksum)
-}
-
-#[no_mangle]
-pub extern "C" fn gen_dewif(
-    port: i64,
-    currency: *const raw::c_char,
-    language: u32,
-    mnemonic: *const raw::c_char,
-    member_wallet: u32,
-    secret_code_type: u32,
-    system_memory: i64,
-) {
-    exec_async(
-        port,
-        || {
-            let currency = char_ptr_to_str(currency)?;
-            let language = u32_to_language(language)?;
-            let mnemonic = char_ptr_to_str(mnemonic)?;
-            let member_wallet = member_wallet != 0;
-            let secret_code_type = SecretCodeType::from(secret_code_type);
-            Ok((
-                currency,
-                language,
-                mnemonic,
-                member_wallet,
-                secret_code_type,
-                system_memory,
-            ))
-        },
-        |(currency, language, mnemonic, member_wallet, secret_code_type, system_memory)| {
-            dewif::gen_dewif(
-                currency,
-                language,
-                mnemonic,
-                member_wallet,
-                secret_code_type,
-                system_memory,
-            )
-        },
-    )
-}
-
-#[no_mangle]
-pub extern "C" fn gen_dewif_from_legacy(
-    port: i64,
-    currency: *const raw::c_char,
-    salt: *const raw::c_char,
-    password: *const raw::c_char,
-    member_wallet: u32,
-    secret_code_type: u32,
-    system_memory: i64,
-) {
-    exec_async(
-        port,
-        || {
-            let currency = char_ptr_to_str(currency)?;
-            let salt = char_ptr_to_str(salt)?.to_owned();
-            let password = char_ptr_to_str(password)?.to_owned();
-            let member_wallet = member_wallet != 0;
-            let secret_code_type = SecretCodeType::from(secret_code_type);
-            Ok((
-                currency,
-                salt,
-                password,
-                member_wallet,
-                secret_code_type,
-                system_memory,
-            ))
-        },
-        |(currency, salt, password, member_wallet, secret_code_type, system_memory)| {
-            legacy::gen_dewif_from_legacy(
-                currency,
-                salt,
-                password,
-                member_wallet,
-                secret_code_type,
-                system_memory,
-            )
-        },
-    )
-}
-
-#[no_mangle]
-pub extern "C" fn gen_mnemonic(port: i64, language: u32) {
-    exec_async(port, || u32_to_language(language), mnemonic::gen_mnemonic)
-}
-
-#[no_mangle]
-pub extern "C" fn get_bip32_dewif_accounts_pubkeys(
-    port: i64,
-    currency: *const raw::c_char,
-    dewif: *const raw::c_char,
-    secret_code: *const raw::c_char,
-    accounts_indexs_len: u32,
-    accounts_indexs: *const u32,
-) {
-    exec_async(
-        port,
-        || {
-            let currency = parse_currency(char_ptr_to_str(currency)?)?;
-            let dewif = char_ptr_to_str(dewif)?;
-            let secret_code = char_ptr_to_str(secret_code)?;
-            let accounts_indexs = char_ptr_prt_to_vec_u31(accounts_indexs, accounts_indexs_len)?;
-            Ok((currency, dewif, secret_code, accounts_indexs))
-        },
-        |(currency, dewif, secret_code, accounts_indexs)| {
-            dewif::bip32::get_accounts_pubkeys(currency, dewif, secret_code, accounts_indexs)
-        },
-    )
-}
-
-#[no_mangle]
-pub extern "C" fn get_bip32_dewif_mnemonic(
-    port: i64,
-    currency: *const raw::c_char,
-    dewif: *const raw::c_char,
-    secret_code: *const raw::c_char,
-) {
-    exec_async(
-        port,
-        || {
-            let currency = parse_currency(char_ptr_to_str(currency)?)?;
-            let dewif = char_ptr_to_str(dewif)?;
-            let secret_code = char_ptr_to_str(secret_code)?;
-            Ok((currency, dewif, secret_code))
-        },
-        |(currency, dewif, secret_code)| dewif::bip32::get_mnemonic(currency, dewif, secret_code),
-    )
-}
-
-#[no_mangle]
-pub extern "C" fn get_dewif_meta(
-    port: i64,
-    dewif: *const raw::c_char,
-    member_wallet: u32,
-    secret_code_type: u32,
-) {
-    exec_async(
-        port,
-        || {
-            let dewif = char_ptr_to_str(dewif)?;
-            let member_wallet = member_wallet != 0;
-            let secret_code_type = SecretCodeType::from(secret_code_type);
-            Ok((dewif, member_wallet, secret_code_type))
-        },
-        |(dewif, member_wallet, secret_code_type)| {
-            dewif::get_dewif_meta(dewif, member_wallet, secret_code_type)
-        },
-    )
-}
-
-#[no_mangle]
-pub extern "C" fn get_dewif_secret_code_len(
-    dewif: *const raw::c_char,
-    member_wallet: u32,
-    secret_code_type: u32,
-) -> i32 {
-    if let Ok(secret_code_len) = dewif::get_secret_code_len(dewif, member_wallet, secret_code_type)
-    {
-        secret_code_len as i32
-    } else {
-        -1
-    }
-}
-
-#[no_mangle]
-pub extern "C" fn get_dewif_pubkey(
-    port: i64,
-    account_index: i32,
-    address_index: i32,
-    currency: *const raw::c_char,
-    dewif: *const raw::c_char,
-    external_opt: i32,
-    pin: *const raw::c_char,
-) {
-    exec_async(
-        port,
-        || {
-            let account_index_opt = i32_to_opt_u32(account_index);
-            let address_index_opt = i32_to_opt_u31(address_index)?;
-            let currency = parse_currency(char_ptr_to_str(currency)?)?;
-            let dewif = char_ptr_to_str(dewif)?;
-            let external_opt = i32_to_opt_bool(external_opt);
-            let pin = char_ptr_to_str(pin)?;
-            Ok((
-                account_index_opt,
-                address_index_opt,
-                currency,
-                dewif,
-                external_opt,
-                pin,
-            ))
-        },
-        |(account_index_opt, address_index_opt, currency, dewif, external_opt, pin)| {
-            dewif::get_pubkey(
-                account_index_opt,
-                address_index_opt,
-                currency,
-                dewif,
-                external_opt,
-                pin,
-            )
-        },
-    )
-}
-
-#[no_mangle]
-pub extern "C" fn get_opaque_account_next_external_address(port: i64, account_index: u32) {
-    exec_async(
-        port,
-        || {
-            let account_index = U31::new(account_index)?;
-            Ok(account_index)
-        },
-        dewif::bip32::get_opaque_account_next_external_address,
-    )
-}
-
-#[no_mangle]
-pub extern "C" fn load_opaque_bip32_accounts(
-    port: i64,
-    accounts_indexs_len: u32,
-    accounts_indexs: *const u32,
-    currency: *const raw::c_char,
-    dewif: *const raw::c_char,
-    secret_code: *const raw::c_char,
-) {
-    exec_async(
-        port,
-        || {
-            let accounts_indexs = char_ptr_prt_to_vec_u31(accounts_indexs, accounts_indexs_len)?;
-            let currency = parse_currency(char_ptr_to_str(currency)?)?;
-            let dewif = char_ptr_to_str(dewif)?;
-            let secret_code = char_ptr_to_str(secret_code)?;
-            Ok((accounts_indexs, currency, dewif, secret_code))
-        },
-        |(accounts_indexs, currency, dewif, secret_code)| {
-            dewif::bip32::load_opaque_bip32_accounts(accounts_indexs, currency, dewif, secret_code)
-        },
-    )
-}
-
-#[no_mangle]
-pub extern "C" fn get_legacy_pubkey(
-    port: i64,
-    salt: *const raw::c_char,
-    password: *const raw::c_char,
-) {
-    exec_async(
-        port,
-        || {
-            let salt = char_ptr_to_str(salt)?;
-            let password = char_ptr_to_str(password)?;
-            Ok((salt, password))
-        },
-        |(salt, password)| Ok::<_, DubpError>(legacy::get_pubkey(salt, password)),
-    )
-}
-
-#[no_mangle]
-pub extern "C" fn mnemonic_to_pubkey(
-    port: i64,
-    language: u32,
-    mnemonic_phrase: *const raw::c_char,
-) {
-    exec_async(
-        port,
-        || {
-            let language = u32_to_language(language)?;
-            let mnemonic_phrase = char_ptr_to_str(mnemonic_phrase)?;
-            Ok((language, mnemonic_phrase))
-        },
-        |(language, mnemonic_phrase)| mnemonic::mnemonic_to_pubkey(language, mnemonic_phrase),
-    )
-}
-
-#[no_mangle]
-pub extern "C" fn sign(
-    port: i64,
-    account_index: i32,
-    address_index: i32,
-    currency: *const raw::c_char,
-    dewif: *const raw::c_char,
-    external_opt: i32,
-    secret_code: *const raw::c_char,
-    msg: *const raw::c_char,
-) {
-    exec_async(
-        port,
-        || {
-            let account_index_opt = i32_to_opt_u32(account_index);
-            let address_index_opt = i32_to_opt_u31(address_index)?;
-            let currency = parse_currency(char_ptr_to_str(currency)?)?;
-            let dewif = char_ptr_to_str(dewif)?;
-            let external_opt = i32_to_opt_bool(external_opt);
-            let secret_code = char_ptr_to_str(secret_code)?;
-            let msg = char_ptr_to_str(msg)?;
-            Ok((
-                account_index_opt,
-                address_index_opt,
-                currency,
-                dewif,
-                external_opt,
-                secret_code,
-                msg,
-            ))
-        },
-        |(
-            account_index_opt,
-            address_index_opt,
-            currency,
-            dewif,
-            external_opt,
-            secret_code,
-            msg,
-        )| {
-            dewif::sign(
-                account_index_opt,
-                address_index_opt,
-                currency,
-                dewif,
-                external_opt,
-                secret_code,
-                msg,
-            )
-        },
-    )
-}
-
-#[no_mangle]
-pub extern "C" fn sign_several(
-    port: i64,
-    account_index: i32,
-    address_index: i32,
-    currency: *const raw::c_char,
-    dewif: *const raw::c_char,
-    external_opt: i32,
-    secret_code: *const raw::c_char,
-    msgs_len: u32,
-    msgs: *const *const raw::c_char,
-) {
-    exec_async(
-        port,
-        || {
-            let account_index_opt = i32_to_opt_u32(account_index);
-            let address_index_opt = i32_to_opt_u31(address_index)?;
-            let currency = parse_currency(char_ptr_to_str(currency)?)?;
-            let dewif = char_ptr_to_str(dewif)?;
-            let external_opt = i32_to_opt_bool(external_opt);
-            let secret_code = char_ptr_to_str(secret_code)?;
-            let msgs = char_ptr_prt_to_vec_str(msgs, msgs_len)?;
-            Ok((
-                account_index_opt,
-                address_index_opt,
-                currency,
-                dewif,
-                external_opt,
-                secret_code,
-                msgs,
-            ))
-        },
-        |(
-            account_index_opt,
-            address_index_opt,
-            currency,
-            dewif,
-            external_opt,
-            secret_code,
-            msgs,
-        )| {
-            dewif::sign_several(
-                account_index_opt,
-                address_index_opt,
-                currency,
-                dewif,
-                external_opt,
-                secret_code,
-                &msgs,
-            )
-        },
-    )
-}
-
-#[no_mangle]
-pub extern "C" fn simple_payment_bip32(
-    port: i64,
-    account_index: u32,
-    amount: f64,
-    currency: *const raw::c_char,
-    dewif: *const raw::c_char,
-    gva_endpoint: *const raw::c_char,
-    recipient: *const raw::c_char,
-    secret_code: *const raw::c_char,
-    tx_comment: *const raw::c_char,
-) {
-    exec_async(
-        port,
-        || {
-            let currency = parse_currency(char_ptr_to_str(currency)?)?;
-            let dewif = char_ptr_to_str(dewif)?;
-            let gva_endpoint = char_ptr_to_str(gva_endpoint)?;
-            let recipient = char_ptr_to_str(recipient)?;
-            let secret_code = char_ptr_to_str(secret_code)?;
-            let tx_comment = char_ptr_to_opt_string(tx_comment)?;
-            Ok((
-                account_index,
-                amount,
-                currency,
-                dewif,
-                gva_endpoint,
-                secret_code,
-                recipient,
-                tx_comment,
-            ))
-        },
-        |(
-            account_index,
-            amount,
-            currency,
-            dewif,
-            gva_endpoint,
-            secret_code,
-            recipient,
-            tx_comment,
-        )| {
-            payment::simple_payment(
-                account_index,
-                amount,
-                currency,
-                dewif,
-                gva_endpoint,
-                secret_code,
-                recipient,
-                tx_comment,
-            )
-        },
-    )
-}
diff --git a/native/dubp_rs/src/mnemonic.rs b/native/dubp_rs/src/mnemonic.rs
deleted file mode 100644
index 0b9849aa2f428fea2dd6e5de76c68eba63236ae8..0000000000000000000000000000000000000000
--- a/native/dubp_rs/src/mnemonic.rs
+++ /dev/null
@@ -1,30 +0,0 @@
-//  Copyright (C) 2020  Éloïs SANCHEZ.
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-use crate::*;
-
-pub(super) fn gen_mnemonic(language: Language) -> Result<String, DubpError> {
-    let mnemonic =
-        Mnemonic::new(MnemonicType::Words12, language).map_err(|_| DubpError::RandErr)?;
-    Ok(mnemonic.phrase().to_owned())
-}
-
-pub(super) fn mnemonic_to_pubkey(language: Language, mnemonic: &str) -> Result<String, DubpError> {
-    let mnemonic =
-        Mnemonic::from_phrase(mnemonic, language).map_err(|_| DubpError::WrongLanguage)?;
-    let seed = dubp_client::crypto::mnemonic::mnemonic_to_seed(&mnemonic);
-    let keypair = KeyPairFromSeed32Generator::generate(seed);
-    Ok(keypair.public_key().to_base58())
-}
diff --git a/native/dubp_rs/src/payment.rs b/native/dubp_rs/src/payment.rs
deleted file mode 100644
index b4c4a5f7d21a4e56a6aa5e8506aee4ab3b23b93a..0000000000000000000000000000000000000000
--- a/native/dubp_rs/src/payment.rs
+++ /dev/null
@@ -1,66 +0,0 @@
-//  Copyright (C) 2020  Éloïs SANCHEZ.
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-use crate::*;
-use dubp_client::wallet::prelude::*;
-use dubp_client::{GvaClient, NaiveGvaClient};
-
-#[allow(clippy::too_many_arguments)]
-pub(super) fn simple_payment(
-    account_index: u32,
-    amount: f64,
-    currency: Currency,
-    dewif: &str,
-    gva_endpoint: &str,
-    secret_code: &str,
-    recipient: &str,
-    tx_comment: Option<String>,
-) -> Result<(), DubpError> {
-    let keypair = crate::dewif::bip32::get_bip32_keypair(
-        account_index,
-        None,
-        currency,
-        dewif,
-        None,
-        secret_code,
-    )?;
-
-    let gva_client = NaiveGvaClient::new(gva_endpoint).expect("invalid' endpoint");
-
-    let amount = dubp_client::Amount::Uds(amount);
-
-    let recipient = if let Ok(pubkey) = PublicKey::from_base58(recipient) {
-        WalletScriptV10::single_sig(pubkey)
-    } else {
-        dubp_client::documents_parser::wallet_script_from_str(recipient)
-            .map_err(DubpError::InvalidScript)?
-    };
-
-    let res = match keypair.generate_signator() {
-        dubp_client::crypto::keys::SignatorEnum::Ed25519(signator) => gva_client
-            .simple_payment(amount, &signator, recipient, tx_comment, None)
-            .map_err(DubpError::GvaClientError)?,
-        dubp_client::crypto::keys::SignatorEnum::Schnorr() => unreachable!(),
-        dubp_client::crypto::keys::SignatorEnum::Bip32Ed25519(signator) => gva_client
-            .simple_payment(amount, &signator, recipient, tx_comment, None)
-            .map_err(DubpError::GvaClientError)?,
-    };
-
-    if let dubp_client::PaymentResult::Errors(errors) = res {
-        Err(DubpError::PaymentError(format!("{:?}", errors)))
-    } else {
-        Ok(())
-    }
-}
diff --git a/native/dubp_rs/src/pubkey.rs b/native/dubp_rs/src/pubkey.rs
deleted file mode 100644
index 6c338258f462a8c1ebd75cbf6c211050d4d623d4..0000000000000000000000000000000000000000
--- a/native/dubp_rs/src/pubkey.rs
+++ /dev/null
@@ -1,27 +0,0 @@
-//  Copyright (C) 2020  Éloïs SANCHEZ.
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-use crate::*;
-
-pub(crate) fn check_pubkey(pubkey: &str) -> Result<(), DubpError> {
-    PublicKey::from_base58_with_checksum_opt(pubkey).map_err(DubpError::InvalidPubkey)?;
-    Ok(())
-}
-
-pub(crate) fn compute_checksum(pubkey: &str) -> Result<String, DubpError> {
-    Ok(PublicKey::from_base58(pubkey)
-        .map_err(|e| DubpError::InvalidPubkey(PublicKeyFromStrErr::BaseConversionError(e)))?
-        .checksum())
-}
diff --git a/native/dubp_rs/src/secret_code.rs b/native/dubp_rs/src/secret_code.rs
deleted file mode 100644
index ab6efc19f2fda5c14f6ba5959922b5346d5fdae2..0000000000000000000000000000000000000000
--- a/native/dubp_rs/src/secret_code.rs
+++ /dev/null
@@ -1,159 +0,0 @@
-//  Copyright (C) 2020  Éloïs SANCHEZ.
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU Affero General Public License as
-// published by the Free Software Foundation, either version 3 of the
-// License, or (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU Affero General Public License for more details.
-//
-// You should have received a copy of the GNU Affero General Public License
-// along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-use crate::*;
-
-pub(crate) fn compute_secret_code_len(
-    member_wallet: bool,
-    secret_code_type: SecretCodeType,
-    log_n: u8,
-) -> Result<usize, DubpError> {
-    match secret_code_type {
-        SecretCodeType::Digits => {
-            if member_wallet {
-                Err(DubpError::DigitsCodeForbidForMemberWallet)
-            } else if log_n >= 15 {
-                Ok(7)
-            } else {
-                Ok(8)
-            }
-        }
-        SecretCodeType::Letters => {
-            if member_wallet {
-                if log_n >= 15 {
-                    Ok(7)
-                } else {
-                    Ok(8)
-                }
-            } else if log_n >= 15 {
-                Ok(5)
-            } else {
-                Ok(6)
-            }
-        }
-    }
-}
-
-pub(crate) fn gen_secret_code(
-    member_wallet: bool,
-    secret_code_type: SecretCodeType,
-    log_n: u8,
-) -> Result<String, DubpError> {
-    let secret_code_len = compute_secret_code_len(member_wallet, secret_code_type, log_n)?;
-    match secret_code_type {
-        SecretCodeType::Digits => gen_random_digits(secret_code_len),
-        SecretCodeType::Letters => gen_random_letters(secret_code_len),
-    }
-}
-
-pub(crate) fn is_ascii_letters(secret_code: &str) -> bool {
-    secret_code.len()
-        == secret_code
-            .chars()
-            .filter(|char| char.is_ascii_alphabetic())
-            .count()
-}
-
-fn gen_random_digits(n: usize) -> Result<String, DubpError> {
-    let mut digits_string = dubp_client::crypto::rand::gen_u32()
-        .map_err(|_| DubpError::RandErr)?
-        .to_string();
-    digits_string.truncate(n);
-
-    if digits_string.len() == n {
-        Ok(digits_string)
-    } else {
-        let missing_digits = n - digits_string.len();
-        let mut digits_string_ = String::with_capacity(n);
-        for _ in 0..missing_digits {
-            digits_string_.push('0');
-        }
-        digits_string_.push_str(&digits_string);
-        Ok(digits_string_)
-    }
-}
-
-fn gen_random_letters(mut n: usize) -> Result<String, DubpError> {
-    let mut letters = String::with_capacity(n);
-    while n >= 6 {
-        letters.push_str(&gen_random_letters_inner(6)?);
-        n -= 6;
-    }
-    letters.push_str(&gen_random_letters_inner(n)?);
-
-    Ok(letters)
-}
-
-fn gen_random_letters_inner(n: usize) -> Result<String, DubpError> {
-    let mut i = dubp_client::crypto::rand::gen_u32().map_err(|_| DubpError::RandErr)?;
-    let mut letters = String::new();
-
-    for _ in 0..n {
-        letters.push(to_char(i));
-        i /= 26;
-    }
-
-    Ok(letters)
-}
-
-fn to_char(i: u32) -> char {
-    match i % 26 {
-        0 => 'A',
-        1 => 'B',
-        2 => 'C',
-        3 => 'D',
-        4 => 'E',
-        5 => 'F',
-        6 => 'G',
-        7 => 'H',
-        8 => 'I',
-        9 => 'J',
-        10 => 'K',
-        11 => 'L',
-        12 => 'M',
-        13 => 'N',
-        14 => 'O',
-        15 => 'P',
-        16 => 'Q',
-        17 => 'R',
-        18 => 'S',
-        19 => 'T',
-        20 => 'U',
-        21 => 'V',
-        22 => 'W',
-        23 => 'X',
-        24 => 'Y',
-        25 => 'Z',
-        _ => unreachable!(),
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_gen_random_digits() -> Result<(), DubpError> {
-        assert_eq!(gen_random_digits(8)?.len(), 8);
-        //println!("TMP: {}", gen_random_digits(8)?);
-        Ok(())
-    }
-    #[test]
-    fn test_gen_random_letters() -> Result<(), DubpError> {
-        assert_eq!(gen_random_letters(6)?.len(), 6);
-        //println!("TMP: {}", gen_random_letters(6)?);
-        Ok(())
-    }
-}
diff --git a/packages/dubp_rs/.metadata b/packages/dubp_rs/.metadata
deleted file mode 100644
index 4b7663f9efffd3a3b50fb615fb7fb1f1211bda9d..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/.metadata
+++ /dev/null
@@ -1,10 +0,0 @@
-# This file tracks properties of this Flutter project.
-# Used by Flutter tool to assess capabilities and perform upgrades etc.
-#
-# This file should be version controlled and should not be manually edited.
-
-version:
-  revision: f7a6a7906be96d2288f5d63a5a54c515a6e987fe
-  channel: stable
-
-project_type: plugin
diff --git a/packages/dubp_rs/LICENSE b/packages/dubp_rs/LICENSE
deleted file mode 100644
index dba13ed2ddf783ee8118c6a581dbf75305f816a3..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/LICENSE
+++ /dev/null
@@ -1,661 +0,0 @@
-                    GNU AFFERO GENERAL PUBLIC LICENSE
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-receiving the covered work authorizing them to use, propagate, modify
-or convey a specific copy of the covered work, then the patent license
-you grant is automatically extended to all recipients of the covered
-work and works based on it.
-
-  A patent license is "discriminatory" if it does not include within
-the scope of its coverage, prohibits the exercise of, or is
-conditioned on the non-exercise of one or more of the rights that are
-specifically granted under this License.  You may not convey a covered
-work if you are a party to an arrangement with a third party that is
-in the business of distributing software, under which you make payment
-to the third party based on the extent of your activity of conveying
-the work, and under which the third party grants, to any of the
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-patent license (a) in connection with copies of the covered work
-conveyed by you (or copies made from those copies), or (b) primarily
-for and in connection with specific products or compilations that
-contain the covered work, unless you entered into that arrangement,
-or that patent license was granted, prior to 28 March 2007.
-
-  Nothing in this License shall be construed as excluding or limiting
-any implied license or other defenses to infringement that may
-otherwise be available to you under applicable patent law.
-
-  12. No Surrender of Others' Freedom.
-
-  If conditions are imposed on you (whether by court order, agreement or
-otherwise) that contradict the conditions of this License, they do not
-excuse you from the conditions of this License.  If you cannot convey a
-covered work so as to satisfy simultaneously your obligations under this
-License and any other pertinent obligations, then as a consequence you may
-not convey it at all.  For example, if you agree to terms that obligate you
-to collect a royalty for further conveying from those to whom you convey
-the Program, the only way you could satisfy both those terms and this
-License would be to refrain entirely from conveying the Program.
-
-  13. Remote Network Interaction; Use with the GNU General Public License.
-
-  Notwithstanding any other provision of this License, if you modify the
-Program, your modified version must prominently offer all users
-interacting with it remotely through a computer network (if your version
-supports such interaction) an opportunity to receive the Corresponding
-Source of your version by providing access to the Corresponding Source
-from a network server at no charge, through some standard or customary
-means of facilitating copying of software.  This Corresponding Source
-shall include the Corresponding Source for any work covered by version 3
-of the GNU General Public License that is incorporated pursuant to the
-following paragraph.
-
-  Notwithstanding any other provision of this License, you have
-permission to link or combine any covered work with a work licensed
-under version 3 of the GNU General Public License into a single
-combined work, and to convey the resulting work.  The terms of this
-License will continue to apply to the part which is the covered work,
-but the work with which it is combined will remain governed by version
-3 of the GNU General Public License.
-
-  14. Revised Versions of this License.
-
-  The Free Software Foundation may publish revised and/or new versions of
-the GNU Affero General Public License from time to time.  Such new versions
-will be similar in spirit to the present version, but may differ in detail to
-address new problems or concerns.
-
-  Each version is given a distinguishing version number.  If the
-Program specifies that a certain numbered version of the GNU Affero General
-Public License "or any later version" applies to it, you have the
-option of following the terms and conditions either of that numbered
-version or of any later version published by the Free Software
-Foundation.  If the Program does not specify a version number of the
-GNU Affero General Public License, you may choose any version ever published
-by the Free Software Foundation.
-
-  If the Program specifies that a proxy can decide which future
-versions of the GNU Affero General Public License can be used, that proxy's
-public statement of acceptance of a version permanently authorizes you
-to choose that version for the Program.
-
-  Later license versions may give you additional or different
-permissions.  However, no additional obligations are imposed on any
-author or copyright holder as a result of your choosing to follow a
-later version.
-
-  15. Disclaimer of Warranty.
-
-  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
-APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
-HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
-OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
-THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
-IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
-ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
-
-  16. Limitation of Liability.
-
-  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
-WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
-THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
-GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
-USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
-DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
-PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
-EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGES.
-
-  17. Interpretation of Sections 15 and 16.
-
-  If the disclaimer of warranty and limitation of liability provided
-above cannot be given local legal effect according to their terms,
-reviewing courts shall apply local law that most closely approximates
-an absolute waiver of all civil liability in connection with the
-Program, unless a warranty or assumption of liability accompanies a
-copy of the Program in return for a fee.
-
-                     END OF TERMS AND CONDITIONS
-
-            How to Apply These Terms to Your New Programs
-
-  If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
-  To do so, attach the following notices to the program.  It is safest
-to attach them to the start of each source file to most effectively
-state the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU Affero General Public License for more details.
-
-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-
-Also add information on how to contact you by electronic and paper mail.
-
-  If your software can interact with users remotely through a computer
-network, you should also make sure that it provides a way for users to
-get its source.  For example, if your program is a web application, its
-interface could display a "Source" link that leads users to an archive
-of the code.  There are many ways you could offer source, and different
-solutions will be better for different programs; see section 13 for the
-specific requirements.
-
-  You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU AGPL, see
-<http://www.gnu.org/licenses/>.
diff --git a/packages/dubp_rs/README.md b/packages/dubp_rs/README.md
deleted file mode 100644
index 6be3629b994c6e05ff9ff36ecb9f123aa0031139..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/README.md
+++ /dev/null
@@ -1,198 +0,0 @@
-# dubp
-
-Flutter package that bind [dubp-rs-libs] Rust crates.
-
-## Setup
-
-### Prerequisites
-
-* Android SDK
-* Android **N**DK (**Native** Development Kit)
-* Rust and cargo
-* Cargo plugin cargo-make: `cargo install cargo-make`
-* LLVM/Clang (see dedicated section below)
-
-You must indicate where the SDK and NDK are located via the `ANDROID_SDK_ROOT` and `ANDROID_NDK_HOME` environment variables.
-For example:
-
-    export ANDROID_SDK_ROOT="/home/user/dev/android_sdk"
-    export ANDROID_NDK_HOME="/home/user/dev/android_sdk/ndk/22.0.7026061"
-
-You will also need to add targets for all Android architectures:
-
-```sh
-rustup target add aarch64-linux-android armv7-linux-androideabi x86_64-linux-android i686-linux-android
-```
-
-If you develop on mac, you can also add targets for iOS:
-
-```sh
-rustup target add aarch64-apple-ios x86_64-apple-ios
-```
-
-### LLVM/Clang
-
-The project use [`dart-bindgen`](https://github.com/sunshine-protocol/dart-bindgen) which requires LLVM/Clang. Install LLVM (10+) in the following way:
-
-#### ubuntu/linux
-
-1. Install libclangdev - `sudo apt-get install libclang-dev`.
-
-#### Windows
-
-1. Install Visual Studio with C++ development support.
-2. Install [LLVM](https://releases.llvm.org/download.html) or `winget install -e --id LLVM.LLVM`.
-
-#### MacOS
-
-1. Install Xcode.
-2. Install LLVM - `brew install llvm`.
-
-## Compile
-
-### For development
-
-**To reduce the compilation time of the Rust code** during your development, you can **compile only for the target corresponding to your android emulator**. Here is how to do it **depending on the architecture of your emulator**:
-
-* 32bit emulator (`x86`/`i686` architecture)
-
-```sh
-cargo bd
-```
-
-* 64bit emulator (`x86_64` architecture)
-
-```sh
-cargo make android-dev
-```
-
-### For release
-
-In the Root of the project simply run:
-
-```sh
-cargo br
-```
-
-WARNING: This will take a lot of time because the Rust code will have to be recompiled for each different architecture, 4 times for android and 2 times for iOS!
-
-## Use
-
-You must execute this instruction at startup of your application:
-
-```dart
-DubpRust.setup();
-```
-
-### Generate a random Mnemonic
-
-#### Function signature
-
-```dart
-static Future<String> DubpRust.genMnemonic({Language language = Language.english});
-```
-
-#### Usage example
-
-```dart
-String mnemonic = await DubpRust.genMnemonic();
-```
-
-You can choose a language (english by default):
-
-```dart
-String mnemonic = await DubpRust.genMnemonic(language: Language.french);
-```
-
-### Generate a wallet
-
-#### Function signature
-
-```dart
-static Future<NewWallet> genWalletFromMnemonic({
-    String currency = "g1",
-    Language language = Language.english,
-    String mnemonic,
-    SecretCodeType secretCodeType = SecretCodeType.letters
-});
-```
-
-If the mnemonic is not in english, you must indicate the language of the mnemonic (necessary for the verification of its validity).
-If the wallet to be generated is not dedicated to the Äž1 currency, you must indicate the currency for which this wallet will be used.
-
-#### Usage example
-
-```dart
-NewWallet new_wallet = await DubpRust.genWalletFromMnemonic(
-    language: Language.english,
-    mnemonic: "tongue cute mail fossil great frozen same social weasel impact brush kind"
-);
-```
-
-You can choose a different secret code type:
-
-```dart
-NewWallet new_wallet = await DubpRust.genWalletFromMnemonic(
-    language: Language.english,
-    mnemonic: "tongue cute mail fossil great frozen same social weasel impact brush kind",
-    secretCodeType: SecretCodeType.digits
-);
-```
-
-### Sign a message
-
-#### Function signature
-
-```dart
-static Future<String> sign({
-    int accountIndex,
-    int addressIndexOpt,
-    String currency = "g1",
-    String dewif,
-    bool externalOpt,
-    String secretCode,
-    String message
-});
-```
-
-If the wallet is not dedicated to the Äž1 currency, you must indicate the currency.
-
-#### Usage example
-
-```dart
-String signature = await DubpRust.sign(
-    accountIndex: 3,
-    dewif: "AAAAARAAAAGfFDAs+jVZYkfhBlHZZ2fEQIvBqnG16g5+02cY18wSOjW0cUg2JV3SUTJYN2CrbQeRDwGazWnzSFBphchMmiL0",
-    pin: "CDJ4UB",
-    message: "toto"
-);
-```
-
-### Change secret code
-
-You can change the secret code that encrypts the [DEWIF].
-
-#### Function signature
-
-```dart
-static Future<NewWallet> changeDewifPin({
-    String currency = "g1",
-    String dewif,
-    String oldPin,
-    SecretCodeType secretCodeType = SecretCodeType.letters
-});
-```
-
-If the wallet is not dedicated to the Äž1 currency, you must indicate the currency.
-
-#### Usage example
-
-```dart
-NewWallet new_wallet = await DubpRust.changeDewifPin(
-    dewif: "AAAAARAAAAGfFDAs+jVZYkfhBlHZZ2fEQIvBqnG16g5+02cY18wSOjW0cUg2JV3SUTJYN2CrbQeRDwGazWnzSFBphchMmiL0",
-    oldPin: "CDJAUB",
-);
-```
-
-[dubp-rs-libs]: https://git.duniter.org/libs/dubp-rs-libs
-[DEWIF]: https://git.duniter.org/documents/rfcs/blob/dewif/rfc/0013_Duniter_Encrypted_Wallet_Import_Format.md
diff --git a/packages/dubp_rs/analysis_options.yaml b/packages/dubp_rs/analysis_options.yaml
deleted file mode 100644
index 572b2c2ca29d166973478cb2f8693b421484da74..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/analysis_options.yaml
+++ /dev/null
@@ -1,12 +0,0 @@
-include: package:effective_dart/analysis_options.yaml
-
-analyzer:
-  exclude:
-    - lib/ffi.dart
-  strong-mode:
-    implicit-casts: false
-    implicit-dynamic: false
-
-linter:
-  rules:
-    omit_local_variable_types: false
diff --git a/packages/dubp_rs/android/.gitignore b/packages/dubp_rs/android/.gitignore
deleted file mode 100644
index c6cbe562a42726ab875d51cb513723b234787300..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/android/.gitignore
+++ /dev/null
@@ -1,8 +0,0 @@
-*.iml
-.gradle
-/local.properties
-/.idea/workspace.xml
-/.idea/libraries
-.DS_Store
-/build
-/captures
diff --git a/packages/dubp_rs/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java b/packages/dubp_rs/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java
deleted file mode 100644
index 9f52030beb9f3daa8e2f61cc70be0ab977de398f..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java
+++ /dev/null
@@ -1,25 +0,0 @@
-package io.flutter.plugins;
-
-import io.flutter.plugin.common.PluginRegistry;
-import com.example.dubp.DubpPlugin;
-
-/**
- * Generated file. Do not edit.
- */
-public final class GeneratedPluginRegistrant {
-  public static void registerWith(PluginRegistry registry) {
-    if (alreadyRegisteredWith(registry)) {
-      return;
-    }
-    DubpPlugin.registerWith(registry.registrarFor("com.example.dubp.DubpPlugin"));
-  }
-
-  private static boolean alreadyRegisteredWith(PluginRegistry registry) {
-    final String key = GeneratedPluginRegistrant.class.getCanonicalName();
-    if (registry.hasPlugin(key)) {
-      return true;
-    }
-    registry.registrarFor(key);
-    return false;
-  }
-}
diff --git a/packages/dubp_rs/android/build.gradle b/packages/dubp_rs/android/build.gradle
deleted file mode 100644
index a11bf58d807529d9184311c74416fa2e344d0a85..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/android/build.gradle
+++ /dev/null
@@ -1,43 +0,0 @@
-group 'com.example.dubp'
-version '1.0-SNAPSHOT'
-
-buildscript {
-    ext.kotlin_version = '1.3.50'
-    repositories {
-        google()
-        jcenter()
-    }
-
-    dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0'
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-    }
-}
-
-rootProject.allprojects {
-    repositories {
-        google()
-        jcenter()
-    }
-}
-
-apply plugin: 'com.android.library'
-apply plugin: 'kotlin-android'
-
-android {
-    compileSdkVersion 28
-
-    sourceSets {
-        main.java.srcDirs += 'src/main/kotlin'
-    }
-    defaultConfig {
-        minSdkVersion 16
-    }
-    lintOptions {
-        disable 'InvalidPackage'
-    }
-}
-
-dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
-}
diff --git a/packages/dubp_rs/android/gradle.properties b/packages/dubp_rs/android/gradle.properties
deleted file mode 100644
index 38c8d4544ff1c4419409796aa6c1caee2c262ff7..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/android/gradle.properties
+++ /dev/null
@@ -1,4 +0,0 @@
-org.gradle.jvmargs=-Xmx1536M
-android.enableR8=true
-android.useAndroidX=true
-android.enableJetifier=true
diff --git a/packages/dubp_rs/android/gradle/wrapper/gradle-wrapper.properties b/packages/dubp_rs/android/gradle/wrapper/gradle-wrapper.properties
deleted file mode 100644
index 01a286e96a21c04c821f96882dfeb281a5c24214..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/android/gradle/wrapper/gradle-wrapper.properties
+++ /dev/null
@@ -1,5 +0,0 @@
-distributionBase=GRADLE_USER_HOME
-distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip
diff --git a/packages/dubp_rs/android/settings.gradle b/packages/dubp_rs/android/settings.gradle
deleted file mode 100644
index ae6f0f7a8cd87e65b319f97c4cc5313adb0f8b80..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/android/settings.gradle
+++ /dev/null
@@ -1 +0,0 @@
-rootProject.name = 'dubp'
diff --git a/packages/dubp_rs/android/src/main/AndroidManifest.xml b/packages/dubp_rs/android/src/main/AndroidManifest.xml
deleted file mode 100644
index 6206217b646270f73b9e2cd61c492aa7b7cd42de..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/android/src/main/AndroidManifest.xml
+++ /dev/null
@@ -1,3 +0,0 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-  package="com.example.dubp">
-</manifest>
diff --git a/packages/dubp_rs/android/src/main/kotlin/com/example/dubp/DubpPlugin.kt b/packages/dubp_rs/android/src/main/kotlin/com/example/dubp/DubpPlugin.kt
deleted file mode 100644
index e0945fc854b421a824d312c7b7bba3da833550ca..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/android/src/main/kotlin/com/example/dubp/DubpPlugin.kt
+++ /dev/null
@@ -1,53 +0,0 @@
-package com.example.dubp
-
-import androidx.annotation.NonNull;
-
-import io.flutter.embedding.engine.plugins.FlutterPlugin
-import io.flutter.plugin.common.MethodCall
-import io.flutter.plugin.common.MethodChannel
-import io.flutter.plugin.common.MethodChannel.MethodCallHandler
-import io.flutter.plugin.common.MethodChannel.Result
-import io.flutter.plugin.common.PluginRegistry.Registrar
-
-/** DubpPlugin */
-public class DubpPlugin: FlutterPlugin, MethodCallHandler {
-  /// The MethodChannel that will the communication between Flutter and native Android
-  ///
-  /// This local reference serves to register the plugin with the Flutter Engine and unregister it
-  /// when the Flutter Engine is detached from the Activity
-  private lateinit var channel : MethodChannel
-
-  override fun onAttachedToEngine(@NonNull flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) {
-    channel = MethodChannel(flutterPluginBinding.getFlutterEngine().getDartExecutor(), "dubp")
-    channel.setMethodCallHandler(this);
-  }
-
-  // This static function is optional and equivalent to onAttachedToEngine. It supports the old
-  // pre-Flutter-1.12 Android projects. You are encouraged to continue supporting
-  // plugin registration via this function while apps migrate to use the new Android APIs
-  // post-flutter-1.12 via https://flutter.dev/go/android-project-migration.
-  //
-  // It is encouraged to share logic between onAttachedToEngine and registerWith to keep
-  // them functionally equivalent. Only one of onAttachedToEngine or registerWith will be called
-  // depending on the user's project. onAttachedToEngine or registerWith must both be defined
-  // in the same class.
-  companion object {
-    @JvmStatic
-    fun registerWith(registrar: Registrar) {
-      val channel = MethodChannel(registrar.messenger(), "dubp")
-      channel.setMethodCallHandler(DubpPlugin())
-    }
-  }
-
-  override fun onMethodCall(@NonNull call: MethodCall, @NonNull result: Result) {
-    if (call.method == "getPlatformVersion") {
-      result.success("Android ${android.os.Build.VERSION.RELEASE}")
-    } else {
-      result.notImplemented()
-    }
-  }
-
-  override fun onDetachedFromEngine(@NonNull binding: FlutterPlugin.FlutterPluginBinding) {
-    channel.setMethodCallHandler(null)
-  }
-}
diff --git a/packages/dubp_rs/ios/.gitignore b/packages/dubp_rs/ios/.gitignore
deleted file mode 100644
index aa479fd3ce8a6914c7e3f0003901008259d50636..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/ios/.gitignore
+++ /dev/null
@@ -1,37 +0,0 @@
-.idea/
-.vagrant/
-.sconsign.dblite
-.svn/
-
-.DS_Store
-*.swp
-profile
-
-DerivedData/
-build/
-GeneratedPluginRegistrant.h
-GeneratedPluginRegistrant.m
-
-.generated/
-
-*.pbxuser
-*.mode1v3
-*.mode2v3
-*.perspectivev3
-
-!default.pbxuser
-!default.mode1v3
-!default.mode2v3
-!default.perspectivev3
-
-xcuserdata
-
-*.moved-aside
-
-*.pyc
-*sync/
-Icon?
-.tags*
-
-/Flutter/Generated.xcconfig
-/Flutter/flutter_export_environment.sh
\ No newline at end of file
diff --git a/packages/dubp_rs/ios/Assets/.gitkeep b/packages/dubp_rs/ios/Assets/.gitkeep
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000
diff --git a/packages/dubp_rs/ios/Classes/DubpPlugin.h b/packages/dubp_rs/ios/Classes/DubpPlugin.h
deleted file mode 100644
index b0e2d33880c941e5cb91db2fd80f37cf9a749cc8..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/ios/Classes/DubpPlugin.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#import <Flutter/Flutter.h>
-
-@interface DubpPlugin : NSObject<FlutterPlugin>
-@end
diff --git a/packages/dubp_rs/ios/Classes/DubpPlugin.m b/packages/dubp_rs/ios/Classes/DubpPlugin.m
deleted file mode 100644
index 4144f90b500b964dcc287519cb905a12658a8dca..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/ios/Classes/DubpPlugin.m
+++ /dev/null
@@ -1,15 +0,0 @@
-#import "DubpPlugin.h"
-#if __has_include(<dubp/dubp-Swift.h>)
-#import <dubp/dubp-Swift.h>
-#else
-// Support project import fallback if the generated compatibility header
-// is not copied when this plugin is created as a library.
-// https://forums.swift.org/t/swift-static-libraries-dont-copy-generated-objective-c-header/19816
-#import "dubp-Swift.h"
-#endif
-
-@implementation DubpPlugin
-+ (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
-  [SwiftDubpPlugin registerWithRegistrar:registrar];
-}
-@end
diff --git a/packages/dubp_rs/ios/Classes/SwiftDubpPlugin.swift b/packages/dubp_rs/ios/Classes/SwiftDubpPlugin.swift
deleted file mode 100644
index 7108aa47834b4d4b314522ccf47c0ea97d78c1d1..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/ios/Classes/SwiftDubpPlugin.swift
+++ /dev/null
@@ -1,18 +0,0 @@
-import Flutter
-import UIKit
-
-public class SwiftDubpPlugin: NSObject, FlutterPlugin {
-  public static func register(with registrar: FlutterPluginRegistrar) {
-    let channel = FlutterMethodChannel(name: "dubp", binaryMessenger: registrar.messenger())
-    let instance = SwiftDubpPlugin()
-    registrar.addMethodCallDelegate(instance, channel: channel)
-  }
-
-  public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
-    result("iOS " + UIDevice.current.systemVersion)
-  }
-
-  public static func dummyMethodToEnforceBundling() {
-    last_error_length()
-  }
-}
diff --git a/packages/dubp_rs/ios/Classes/binding.h b/packages/dubp_rs/ios/Classes/binding.h
deleted file mode 100644
index cc4acf2c6e9367fc8a8667bb0981824f47310909..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/ios/Classes/binding.h
+++ /dev/null
@@ -1,240 +0,0 @@
-#include <stdarg.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdlib.h>
-
-/**
- * A Dart_CObject is used for representing Dart objects as native C
- * data outside the Dart heap. These objects are totally detached from
- * the Dart heap. Only a subset of the Dart objects have a
- * representation as a Dart_CObject.
- *
- * The string encoding in the 'value.as_string' is UTF-8.
- *
- * All the different types from dart:typed_data are exposed as type
- * kTypedData. The specific type from dart:typed_data is in the type
- * field of the as_typed_data structure. The length in the
- * as_typed_data structure is always in bytes.
- *
- * The data for kTypedData is copied on message send and ownership remains with
- * the caller. The ownership of data for kExternalTyped is passed to the VM on
- * message send and returned when the VM invokes the
- * Dart_WeakPersistentHandleFinalizer callback; a non-NULL callback must be
- * provided.
- */
-typedef struct DartCObject DartCObject;
-enum DartCObjectType
-#ifdef __cplusplus
-    : int32_t
-#endif // __cplusplus
-{
-  DartNull = 0,
-  DartBool = 1,
-  DartInt32 = 2,
-  DartInt64 = 3,
-  DartDouble = 4,
-  DartString = 5,
-  DartArray = 6,
-  DartTypedData = 7,
-  DartExternalTypedData = 8,
-  DartSendPort = 9,
-  DartCapability = 10,
-  DartUnsupported = 11,
-  DartNumberOfTypes = 12,
-};
-#ifndef __cplusplus
-typedef int32_t DartCObjectType;
-#endif // __cplusplus
-
-enum DartTypedDataType
-#ifdef __cplusplus
-    : int32_t
-#endif // __cplusplus
-{
-  kByteData = 0,
-  kInt8 = 1,
-  kUint8 = 2,
-  kUint8Clamped = 3,
-  kInt16 = 4,
-  kUint16 = 5,
-  kInt32 = 6,
-  kUint32 = 7,
-  kInt64 = 8,
-  kUint64 = 9,
-  kFloat32 = 10,
-  kFloat64 = 11,
-  kFloat32x4 = 12,
-  kInvalid = 13,
-};
-#ifndef __cplusplus
-typedef int32_t DartTypedDataType;
-#endif // __cplusplus
-
-typedef void *RuntimePtr;
-
-/**
- * A port is used to send or receive inter-isolate messages
- */
-typedef int64_t DartPort;
-
-typedef struct DartNativeSendPort
-{
-  DartPort id;
-  DartPort origin_id;
-} DartNativeSendPort;
-
-typedef struct DartNativeCapability
-{
-  int64_t id;
-} DartNativeCapability;
-
-typedef struct DartNativeArray
-{
-  intptr_t length;
-  DartCObject **values;
-} DartNativeArray;
-
-typedef struct DartNativeTypedData
-{
-  DartTypedDataType type_;
-  intptr_t length;
-  uint8_t *values;
-} DartNativeTypedData;
-
-typedef struct _DartWeakPersistentHandle
-{
-  uint8_t _unused[0];
-} _DartWeakPersistentHandle;
-
-typedef _DartWeakPersistentHandle *DartWeakPersistentHandle;
-
-typedef void (*DartWeakPersistentHandleFinalizer)(void *isolate_callback_data, DartWeakPersistentHandle handle, void *peer);
-
-typedef struct DartNativeExternalTypedData
-{
-  DartTypedDataType type_;
-  intptr_t length;
-  uint8_t *data;
-  void *peer;
-  DartWeakPersistentHandleFinalizer callback;
-} DartNativeExternalTypedData;
-
-typedef union DartCObjectValue {
-  bool as_bool;
-  int32_t as_int32;
-  int64_t as_int64;
-  double as_double;
-  char *as_string;
-  DartNativeSendPort as_send_port;
-  DartNativeCapability as_capability;
-  DartNativeArray as_array;
-  DartNativeTypedData as_typed_data;
-  DartNativeExternalTypedData as_external_typed_data;
-  uint64_t _bindgen_union_align[5];
-} DartCObjectValue;
-
-typedef struct DartCObject
-{
-  DartCObjectType type_;
-  DartCObjectValue value;
-} DartCObject;
-
-/**
- *  Posts a message on some port. The message will contain the
- *  Dart_CObject object graph rooted in 'message'.
- *
- *  While the message is being sent the state of the graph of
- *  Dart_CObject structures rooted in 'message' should not be accessed,
- *  as the message generation will make temporary modifications to the
- *  data. When the message has been sent the graph will be fully
- *  restored.
- *
- *  port_id The destination port.
- *  message The message to send.
- *
- *  return true if the message was posted.
- */
-typedef bool (*DartPostCObjectFnPtr)(DartPort port_id, DartCObject *message);
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif // __cplusplus
-
-void change_dewif_secret_code(int64_t port,
-                              const char *dewif,
-                              const char *old_secret_code,
-                              uint32_t member_wallet,
-                              uint32_t secret_code_type,
-                              int64_t system_memory);
-
-void gen_dewif(int64_t port,
-               const char *currency,
-               uint32_t language,
-               const char *mnemonic,
-               uint32_t member_wallet,
-               uint32_t secret_code_type,
-               int64_t system_memory,
-               uint32_t wallet_type);
-
-void gen_dewif_from_legacy(int64_t port,
-                           const char *currency,
-                           const char *salt,
-                           const char *password,
-                           uint32_t member_wallet,
-                           uint32_t secret_code_type,
-                           int64_t system_memory);
-
-void gen_mnemonic(int64_t port, uint32_t language);
-
-void get_bip32_dewif_accounts_pubkeys(int64_t port,
-                                      const char *currency,
-                                      const char *dewif,
-                                      const char *secret_code,
-                                      uint32_t accounts_indexs_len,
-                                      const uint32_t *accounts_indexs);
-
-void get_dewif_meta(int64_t port,
-                    const char *dewif,
-                    uint32_t member_wallet,
-                    uint32_t secret_code_type);
-
-void get_dewif_pubkey(int64_t port, const char *currency, const char *dewif, const char *pin);
-
-int32_t get_dewif_secret_code_len(const char *dewif,
-                                  uint32_t member_wallet,
-                                  uint32_t secret_code_type);
-
-void get_legacy_pubkey(int64_t port, const char *salt, const char *password);
-
-void mnemonic_to_pubkey(int64_t port, uint32_t language, const char *mnemonic_phrase);
-
-void sign(int64_t port, const char *currency, const char *dewif, const char *pin, const char *msg);
-
-void sign_bip32_transparent(int64_t port,
-                            uint32_t account_index,
-                            const char *currency,
-                            const char *dewif,
-                            const char *secret_code,
-                            const char *msg);
-
-void sign_legacy(int64_t port, const char *salt, const char *password, const char *msg);
-
-void sign_several(int64_t port,
-                  const char *currency,
-                  const char *dewif,
-                  const char *pin,
-                  uint32_t msgs_len,
-                  const char *const *msgs);
-
-void sign_several_bip32_transparent(int64_t port,
-                                    uint32_t account_index,
-                                    const char *currency,
-                                    const char *dewif,
-                                    const char *pin,
-                                    uint32_t msgs_len,
-                                    const char *const *msgs);
-
-#ifdef __cplusplus
-} // extern "C"
-#endif // __cplusplus
diff --git a/packages/dubp_rs/ios/dubp.podspec b/packages/dubp_rs/ios/dubp.podspec
deleted file mode 100644
index 459e34bf0e3c0e6a11ab69ee7abaaab7b9c6a00c..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/ios/dubp.podspec
+++ /dev/null
@@ -1,26 +0,0 @@
-#
-# To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html.
-# Run `pod lib lint dubp.podspec' to validate before publishing.
-#
-Pod::Spec.new do |s|
-  s.name             = 'dubp'
-  s.version          = '0.0.1'
-  s.summary          = 'A new flutter plugin project.'
-  s.description      = <<-DESC
-A new flutter plugin project.
-                       DESC
-  s.homepage         = 'http://example.com'
-  s.license          = { :file => '../LICENSE' }
-  s.author           = { 'Your Company' => 'email@example.com' }
-  s.source           = { :path => '.' }
-  s.public_header_files = 'Classes**/*.h'
-  s.source_files = 'Classes/**/*'
-  s.static_framework = true
-  s.vendored_libraries = "**/*.a"
-  s.dependency 'Flutter'
-  s.platform = :ios, '8.0'
-
-  # Flutter.framework does not contain a i386 slice. Only x86_64 simulators are supported.
-  s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'VALID_ARCHS[sdk=iphonesimulator*]' => 'x86_64' }
-  s.swift_version = '5.0'
-end
diff --git a/packages/dubp_rs/lib/dubp.dart b/packages/dubp_rs/lib/dubp.dart
deleted file mode 100644
index b6d1d30cdf361908b7ac5202cd2c116b3b5c871b..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/lib/dubp.dart
+++ /dev/null
@@ -1,504 +0,0 @@
-import 'dart:async';
-import 'dart:ffi';
-import 'package:ffi/ffi.dart';
-import 'package:isolate/ports.dart';
-import "package:system_info/system_info.dart";
-
-import 'ffi.dart' as native;
-
-/// DEWIF meta data
-class DewifMetaData {
-  /// Currency name
-  String currency;
-
-  /// Secret code length
-  int secretCodeLen;
-
-  /// DEWIF version
-  int version;
-
-  /// Wallet type
-  WalletType walletType;
-
-  DewifMetaData._(this.currency, this.secretCodeLen, this.version) {
-    if (version == 4) {
-      walletType = WalletType.bip32Ed25519;
-    } else {
-      walletType = WalletType.ed25519;
-    }
-  }
-}
-
-/// Language
-enum Language {
-  /// English
-  english,
-
-  /// French
-  french,
-}
-
-/// New wallet
-class NewWallet {
-  /// DEWIF: Encrypted wallet
-  String dewif;
-
-  /// Secret code
-  String pin;
-
-  NewWallet._(this.dewif, this.pin);
-}
-
-/// Secret code type
-enum SecretCodeType {
-  /// Digits
-  digits,
-
-  /// Letters
-  letters,
-}
-
-/// Wallet type
-enum WalletType {
-  /// Ed25519
-  ed25519,
-
-  /// BIP32-Ed25519
-  bip32Ed25519,
-}
-
-// ignore: avoid_classes_with_only_static_members
-/// DUBP Rust utilities
-///
-/// All the functions of this package are static methods of this
-/// class `DubpRust`.
-class DubpRust {
-  /// Must be called only once at the start of your application.
-  static void setup() {
-    native.store_dart_post_cobject(NativeApi.postCObject);
-    print("DUBP_RS Setup Done");
-  }
-
-  /// Change the secret code that encrypts the `dewif` keypair.
-  static Future<NewWallet> changeDewifPin({
-    String dewif,
-    String oldPin,
-    SecretCodeType secretCodeType = SecretCodeType.letters,
-  }) async {
-    int ram = SysInfo.getTotalPhysicalMemory();
-
-    final completer = Completer<List<String>>();
-    final sendPort = singleCompletePort<List<String>, List>(completer,
-        callback: _handleErrList);
-    native.change_dewif_secret_code(
-      sendPort.nativePort,
-      // utf8.encoder(dewif),
-      StringUtf8Pointer(dewif).toNativeUtf8(),
-      StringUtf8Pointer(oldPin).toNativeUtf8(),
-      0,
-      secretCodeType.index,
-      ram,
-    );
-    List<String> newWallet = await completer.future;
-
-    return Future.value(NewWallet._(newWallet[0], newWallet[1]));
-  }
-
-  /// Check validity of a base58 public key with its checksum
-  static Future<void> checkPublicKey({String pubkey}) {
-    final completer = Completer<void>();
-    final sendPort =
-        singleCompletePort<void, String>(completer, callback: _handleErrVoid);
-    native.check_pubkey(
-      sendPort.nativePort,
-      StringUtf8Pointer(pubkey).toNativeUtf8(),
-    );
-    return completer.future;
-  }
-
-  /// Compute public key checksum
-  static Future<String> computeChecksum({String pubkey}) {
-    final completer = Completer<String>();
-    final sendPort =
-        singleCompletePort<String, String>(completer, callback: _handleErr);
-    native.compute_checksum(
-      sendPort.nativePort,
-      StringUtf8Pointer(pubkey).toNativeUtf8(),
-    );
-    return completer.future;
-  }
-
-  /// Generate a random mnemonic
-  static Future<String> genMnemonic({Language language = Language.english}) {
-    final completer = Completer<String>();
-    final sendPort =
-        singleCompletePort<String, String>(completer, callback: _handleErr);
-    native.gen_mnemonic(
-      sendPort.nativePort,
-      language.index,
-    );
-    return completer.future;
-  }
-
-  /// Generate a wallet from a deprecated salt + password couple.
-  ///
-  /// This deprecated method must be used only for compatibility purpose !
-  static Future<NewWallet> genWalletFromDeprecatedSaltPassword({
-    String currency = "g1",
-    String salt,
-    String password,
-    SecretCodeType secretCodeType = SecretCodeType.letters,
-    bool isMember = false,
-  }) async {
-    int ram = SysInfo.getTotalPhysicalMemory();
-    print('ram=$ram');
-
-    final completer = Completer<List<String>>();
-    final sendPort = singleCompletePort<List<String>, List>(completer,
-        callback: _handleErrList);
-    native.gen_dewif_from_legacy(
-      sendPort.nativePort,
-      StringUtf8Pointer(currency).toNativeUtf8(),
-      StringUtf8Pointer(salt).toNativeUtf8(),
-      StringUtf8Pointer(password).toNativeUtf8(),
-      isMember ? 1 : 0,
-      secretCodeType.index,
-      ram,
-    );
-    List<String> newWallet = await completer.future;
-
-    return Future.value(NewWallet._(newWallet[0], newWallet[1]));
-  }
-
-  /// Generate a wallet from a mnemonic phrase.
-  ///
-  /// If the mnemonic is not in English, you must indicate the language of
-  /// the mnemonic (necessary for the verification of its validity).
-  ///
-  /// If the wallet to be generated is not dedicated to the Äž1 currency, you
-  /// must indicate the currency for which this wallet will be used.
-  static Future<NewWallet> genWalletFromMnemonic({
-    String currency = "g1",
-    Language language = Language.english,
-    String mnemonic,
-    SecretCodeType secretCodeType = SecretCodeType.letters,
-  }) async {
-    int ram = SysInfo.getTotalPhysicalMemory();
-    print('ram=$ram');
-
-    final completer = Completer<List<String>>();
-    final sendPort = singleCompletePort<List<String>, List>(completer,
-        callback: _handleErrList);
-    native.gen_dewif(
-      sendPort.nativePort,
-      StringUtf8Pointer(currency).toNativeUtf8(),
-      language.index,
-      StringUtf8Pointer(mnemonic).toNativeUtf8(),
-      0,
-      secretCodeType.index,
-      ram,
-    );
-    List<String> newWallet = await completer.future;
-
-    return Future.value(NewWallet._(newWallet[0], newWallet[1]));
-  }
-
-  /// Get next external public key of a specific opaque account
-  static Future<String> getOpaqueAccountNextExternalPublicKey(
-      {int accountIndex}) async {
-    final completer = Completer<String>();
-    final sendPort =
-        singleCompletePort<String, String>(completer, callback: _handleErr);
-    native.get_opaque_account_next_external_address(
-        sendPort.nativePort, accountIndex.toUnsigned(31));
-    return completer.future;
-  }
-
-  /// Get BIP32 accounts public keys (in base 58) of `dewif` master keypair.
-  static Future<List<String>> getBip32DewifAccountsPublicKeys(
-      {String currency = "g1",
-      String dewif,
-      String secretCode,
-      List<int> accountsIndex}) async {
-    final completer = Completer<List<String>>();
-    final sendPort = singleCompletePort<List<String>, List>(completer,
-        callback: _handleErrList);
-    native.get_bip32_dewif_accounts_pubkeys(
-        sendPort.nativePort,
-        StringUtf8Pointer(currency).toNativeUtf8(),
-        StringUtf8Pointer(dewif).toNativeUtf8(),
-        StringUtf8Pointer(secretCode).toNativeUtf8(),
-        accountsIndex.length,
-        _listIntToPtrUint32(accountsIndex));
-    return completer.future;
-  }
-
-  /// Get mnemonic phrase of `dewif` (algo Bip32-Ed25519 only).
-  static Future<String> getBip32DewifMnemonic(
-      {String currency = "g1", String dewif, String secretCode}) async {
-    final completer = Completer<String>();
-    final sendPort =
-        singleCompletePort<String, String>(completer, callback: _handleErr);
-    native.get_bip32_dewif_mnemonic(
-      sendPort.nativePort,
-      StringUtf8Pointer(currency).toNativeUtf8(),
-      StringUtf8Pointer(dewif).toNativeUtf8(),
-      StringUtf8Pointer(secretCode).toNativeUtf8(),
-    );
-    return completer.future;
-  }
-
-  /// Get `dewif` keypair meta data.
-  static Future<DewifMetaData> getDewifMetaData(
-      {String dewif,
-      SecretCodeType secretCodeType = SecretCodeType.letters}) async {
-    final completer = Completer<List<String>>();
-    final sendPort = singleCompletePort<List<String>, List>(completer,
-        callback: _handleErrList);
-    native.get_dewif_meta(sendPort.nativePort,
-        StringUtf8Pointer(dewif).toNativeUtf8(), 0, secretCodeType.index);
-    List<String> dewifMetaData = await completer.future;
-
-    return Future.value(DewifMetaData._(dewifMetaData[0],
-        int.parse(dewifMetaData[1]), int.parse(dewifMetaData[2])));
-  }
-
-  /// Get public key (in base 58) of `dewif` keypair.
-  static Future<String> getDewifPublicKey(
-      {int accountIndexOpt,
-      int addressIndexOpt,
-      String currency = "g1",
-      String dewif,
-      bool externalOpt,
-      String pin}) async {
-    var externalOptInt = -1;
-    if (externalOpt != null) {
-      externalOptInt = externalOpt ? 1 : 0;
-    }
-    final completer = Completer<String>();
-    final sendPort =
-        singleCompletePort<String, String>(completer, callback: _handleErr);
-    native.get_dewif_pubkey(
-      sendPort.nativePort,
-      accountIndexOpt ?? -1,
-      addressIndexOpt ?? -1,
-      StringUtf8Pointer(currency).toNativeUtf8(),
-      StringUtf8Pointer(dewif).toNativeUtf8(),
-      externalOptInt,
-      StringUtf8Pointer(pin).toNativeUtf8(),
-    );
-    return completer.future;
-  }
-
-  /// Get secret code length of `dewif` keypair.
-  static int getDewifSecretCodeLen(
-      {String currency = "g1",
-      String dewif,
-      SecretCodeType secretCodeType = SecretCodeType.letters}) {
-    int res = native.get_dewif_secret_code_len(
-      StringUtf8Pointer(dewif).toNativeUtf8(),
-      0,
-      secretCodeType.index,
-    );
-    if (res == -1) {
-      print('DUBP_RS_ERROR: DEWIF file content is corrupted.');
-      throw 'DUBP_RS_ERROR: DEWIF file content is corrupted.';
-    } else {
-      return res;
-    }
-  }
-
-  /// Get public key (in base 58) of legacy wallet (password + salt)
-  ///
-  /// This deprecated method must be used only for compatibility purpose !
-  static Future<String> getLegacyPublicKey({String password, String salt}) {
-    final completer = Completer<String>();
-    final sendPort =
-        singleCompletePort<String, String>(completer, callback: _handleErr);
-    native.get_legacy_pubkey(
-      sendPort.nativePort,
-      StringUtf8Pointer(salt).toNativeUtf8(),
-      StringUtf8Pointer(password).toNativeUtf8(),
-    );
-    return completer.future;
-  }
-
-  /// Load opaque accounts
-  static Future<void> loadOpaqueAccounts(
-    List<int> accountsIndex,
-    String currency,
-    String dewif,
-    String secretCode,
-  ) {
-    final completer = Completer<void>();
-    final sendPort =
-        singleCompletePort<void, String>(completer, callback: _handleErrVoid);
-    native.load_opaque_bip32_accounts(
-        sendPort.nativePort,
-        accountsIndex.length,
-        _listIntToPtrUint32(accountsIndex),
-        StringUtf8Pointer(currency).toNativeUtf8(),
-        StringUtf8Pointer(dewif).toNativeUtf8(),
-        StringUtf8Pointer(secretCode).toNativeUtf8());
-    return completer.future;
-  }
-
-  /// Sign the message `message` with `dewif` keypair encryted
-  /// in DEWIF format.
-  ///
-  /// If you have several messages to sign, use `signSeveral`
-  /// method instead.
-  static Future<String> sign(
-      {int accountIndexOpt,
-      int addressIndexOpt,
-      String currency = "g1",
-      String dewif,
-      bool externalOpt,
-      String secretCode,
-      String message}) {
-    var externalOptInt = -1;
-    if (externalOpt != null) {
-      externalOptInt = externalOpt ? 1 : 0;
-    }
-
-    final completer = Completer<String>();
-    final sendPort =
-        singleCompletePort<String, String>(completer, callback: _handleErr);
-    native.sign(
-      sendPort.nativePort,
-      accountIndexOpt ?? -1,
-      addressIndexOpt ?? -1,
-      StringUtf8Pointer(currency).toNativeUtf8(),
-      StringUtf8Pointer(dewif).toNativeUtf8(),
-      externalOptInt,
-      StringUtf8Pointer(secretCode).toNativeUtf8(),
-      StringUtf8Pointer(message).toNativeUtf8(),
-    );
-    return completer.future;
-  }
-
-  /// Sign several messages `messages` with `dewif` keypair encryted in DEWIF
-  /// format.
-  ///
-  /// This method is optimized to sign several messages at once. If you have
-  /// several messages to sign, avoid calling the `sign` method for each
-  /// message. Use this `signSeveral` method instead.
-  static Future<List<String>> signSeveral(
-      {int accountIndexOpt,
-      int addressIndexOpt,
-      String currency = "g1",
-      String dewif,
-      bool externalOpt,
-      String secretCode,
-      List<String> messages}) {
-    var externalOptInt = -1;
-    if (externalOpt != null) {
-      externalOptInt = externalOpt ? 1 : 0;
-    }
-
-    final completer = Completer<List<String>>();
-    final sendPort = singleCompletePort<List<String>, List>(completer,
-        callback: _handleErrList);
-
-    native.sign_several(
-      sendPort.nativePort,
-      accountIndexOpt ?? -1,
-      addressIndexOpt ?? -1,
-      StringUtf8Pointer(currency).toNativeUtf8(),
-      StringUtf8Pointer(dewif).toNativeUtf8(),
-      externalOptInt,
-      StringUtf8Pointer(secretCode).toNativeUtf8(),
-      messages.length,
-      _listStringToPtr(messages),
-    );
-
-    return completer.future;
-  }
-
-  ///  Make a simple payment from a transparent account
-  static Future<void> simplePaymentFromTransparentAccount(
-      {int accountIndex,
-      double amount,
-      String currency = "g1",
-      String dewif,
-      String gvaEndpoint,
-      String recipient,
-      String secretCode,
-      String txComment}) {
-    final completer = Completer<void>();
-    final sendPort =
-        singleCompletePort<void, String>(completer, callback: _handleErrVoid);
-
-    native.simple_payment_bip32(
-      sendPort.nativePort,
-      accountIndex,
-      amount,
-      StringUtf8Pointer(currency).toNativeUtf8(),
-      StringUtf8Pointer(dewif).toNativeUtf8(),
-      StringUtf8Pointer(gvaEndpoint).toNativeUtf8(),
-      StringUtf8Pointer(recipient).toNativeUtf8(),
-      StringUtf8Pointer(secretCode).toNativeUtf8(),
-      StringUtf8Pointer(txComment).toNativeUtf8(),
-    );
-
-    return completer.future;
-  }
-
-  static Pointer<Uint32> _listIntToPtrUint32(List<int> list) {
-    final listUint32 = list.map((i) => i.toUnsigned(31)).toList();
-    final Pointer<Uint32> ptr = malloc.allocate(listUint32.length);
-    for (var i = 0; i < listUint32.length; i++) {
-      ptr[i] = listUint32[i];
-    }
-    return ptr;
-  }
-
-  static Pointer<Pointer<Utf8>> _listStringToPtr(List<String> list) {
-    final listUtf8 =
-        list.map((s) => StringUtf8Pointer(s).toNativeUtf8()).toList();
-    final Pointer<Pointer<Utf8>> ptr = malloc.allocate(listUtf8.length);
-    for (var i = 0; i < listUtf8.length; i++) {
-      ptr[i] = listUtf8[i];
-    }
-    return ptr;
-  }
-
-  static String _handleErr(String res) {
-    if (res.startsWith('DUBP_RS_ERROR: ')) {
-      final error = res;
-      print(error);
-      throw error;
-    } else {
-      return res;
-    }
-  }
-
-  static List<String> _handleErrList(List res) {
-    final List<String> arr = res.cast();
-    if (arr.isNotEmpty && arr[0].startsWith('DUBP_RS_ERROR: ')) {
-      final error = arr[0];
-      print(error);
-      throw error;
-    } else {
-      return arr;
-    }
-  }
-
-  static void _handleErrVoid(String res) {
-    if (res.startsWith('DUBP_RS_ERROR: ')) {
-      final error = res;
-      print(error);
-      throw error;
-    }
-  }
-
-  /*static int _handleErrInt(String res) {
-    if (res.startsWith('DUBP_RS_ERROR: ')) {
-      final error = res;
-      print(error);
-      throw error;
-    } else {
-      return int.parse(res);
-    }
-  }*/
-}
diff --git a/packages/dubp_rs/pubspec.lock b/packages/dubp_rs/pubspec.lock
deleted file mode 100644
index e6f0b3d9f8e39db9180aa909c49c7cf825a949f1..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/pubspec.lock
+++ /dev/null
@@ -1,189 +0,0 @@
-# Generated by pub
-# See https://dart.dev/tools/pub/glossary#lockfile
-packages:
-  async:
-    dependency: transitive
-    description:
-      name: async
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.8.1"
-  boolean_selector:
-    dependency: transitive
-    description:
-      name: boolean_selector
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.0"
-  characters:
-    dependency: transitive
-    description:
-      name: characters
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.0"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.1"
-  clock:
-    dependency: transitive
-    description:
-      name: clock
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.0"
-  collection:
-    dependency: transitive
-    description:
-      name: collection
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.15.0"
-  effective_dart:
-    dependency: "direct dev"
-    description:
-      name: effective_dart
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.1"
-  fake_async:
-    dependency: transitive
-    description:
-      name: fake_async
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.0"
-  ffi:
-    dependency: "direct main"
-    description:
-      name: ffi
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.0"
-  file_utils:
-    dependency: transitive
-    description:
-      name: file_utils
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.0"
-  flutter:
-    dependency: "direct main"
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  flutter_test:
-    dependency: "direct dev"
-    description: flutter
-    source: sdk
-    version: "0.0.0"
-  globbing:
-    dependency: transitive
-    description:
-      name: globbing
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.0"
-  isolate:
-    dependency: "direct main"
-    description:
-      name: isolate
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.3"
-  matcher:
-    dependency: transitive
-    description:
-      name: matcher
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.12.10"
-  meta:
-    dependency: transitive
-    description:
-      name: meta
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.7.0"
-  path:
-    dependency: transitive
-    description:
-      name: path
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.8.0"
-  sky_engine:
-    dependency: transitive
-    description: flutter
-    source: sdk
-    version: "0.0.99"
-  source_span:
-    dependency: transitive
-    description:
-      name: source_span
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.8.1"
-  stack_trace:
-    dependency: transitive
-    description:
-      name: stack_trace
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.10.0"
-  stream_channel:
-    dependency: transitive
-    description:
-      name: stream_channel
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.0"
-  string_scanner:
-    dependency: transitive
-    description:
-      name: string_scanner
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.1.0"
-  system_info:
-    dependency: "direct main"
-    description:
-      name: system_info
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.0"
-  term_glyph:
-    dependency: transitive
-    description:
-      name: term_glyph
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.2.0"
-  test_api:
-    dependency: transitive
-    description:
-      name: test_api
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.4.2"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.0"
-  vector_math:
-    dependency: transitive
-    description:
-      name: vector_math
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.0"
-sdks:
-  dart: ">=2.12.0 <3.0.0"
-  flutter: ">=1.10.0"
diff --git a/packages/dubp_rs/pubspec.yaml b/packages/dubp_rs/pubspec.yaml
deleted file mode 100644
index bd3f6580aeab91f4507ef253d7a5e848af0a6c3a..0000000000000000000000000000000000000000
--- a/packages/dubp_rs/pubspec.yaml
+++ /dev/null
@@ -1,28 +0,0 @@
-name: dubp
-description: dubp-rs-libs binding for flutter.
-version: 0.0.1
-
-environment:
-  sdk: '>=2.7.0 <3.0.0'
-  flutter: '>=1.10.0'
-
-dependencies:
-  flutter:
-    sdk: flutter
-  ffi: ^1.0.0
-  isolate: ^2.0.3
-  system_info: ^1.0.0
-
-dev_dependencies:
-  effective_dart: ^1.3.1
-  flutter_test:
-    sdk: flutter
-
-flutter:
-  plugin:
-    platforms:
-      android:
-        package: com.example.dubp
-        pluginClass: DubpPlugin
-      ios:
-        pluginClass: DubpPlugin
diff --git a/pubspec.lock b/pubspec.lock
index 92ac05abc997da9c903a7f56b0e890a9ac0fadfd..175b79cd3800ac5bce2611ca145c0ee9c59afe32 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -50,6 +50,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  bip32_ed25519:
+    dependency: transitive
+    description:
+      name: bip32_ed25519
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.1"
+  bip39_multi_nullsafety:
+    dependency: transitive
+    description:
+      name: bip39_multi_nullsafety
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.7"
   boolean_selector:
     dependency: transitive
     description:
@@ -274,13 +288,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "4.0.4"
-  dubp:
+  durt:
     dependency: "direct main"
     description:
-      path: "packages/dubp_rs"
-      relative: true
-    source: path
-    version: "0.0.1"
+      name: durt
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3+3"
   fake_async:
     dependency: transitive
     description:
@@ -309,13 +323,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "6.1.2"
-  file_utils:
-    dependency: transitive
-    description:
-      name: file_utils
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.1"
   fixnum:
     dependency: transitive
     description:
@@ -397,13 +404,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.2"
-  globbing:
-    dependency: transitive
-    description:
-      name: globbing
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.0"
   gql:
     dependency: transitive
     description:
@@ -474,6 +474,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.1.0"
+  hex:
+    dependency: transitive
+    description:
+      name: hex
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.0"
   hive:
     dependency: "direct main"
     description:
@@ -577,13 +584,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.3"
-  isolate:
-    dependency: transitive
-    description:
-      name: isolate
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.1.1"
   jdenticon_dart:
     dependency: "direct main"
     description:
@@ -836,6 +836,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "7.3.0"
+  pinenacl:
+    dependency: transitive
+    description:
+      name: pinenacl
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.3"
   platform:
     dependency: transitive
     description:
@@ -850,6 +857,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.2"
+  pointycastle:
+    dependency: transitive
+    description:
+      name: pointycastle
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.4.0"
   pool:
     dependency: transitive
     description:
@@ -1107,13 +1121,6 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.3.0"
-  system_info:
-    dependency: transitive
-    description:
-      name: system_info
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.0.1"
   term_glyph:
     dependency: transitive
     description:
@@ -1248,5 +1255,5 @@ packages:
     source: hosted
     version: "3.1.0"
 sdks:
-  dart: ">=2.14.0 <3.0.0"
+  dart: ">=2.14.4 <3.0.0"
   flutter: ">=2.5.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 76e9a957e4a9e34d1775ad67599b4a53b04399b0..a9d694e142126e61917395363a6a882d0c1367a6 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -10,19 +10,17 @@ version: 0.0.3+14
 environment:
   sdk: ">=2.7.0 <3.0.0"
 
-dependencies:
+dependencies:  
+  flutter:
+    sdk: flutter
+  flutter_driver:
+    sdk: flutter
   assorted_layout_widgets: ^5.2.1
   bubble: ^1.2.1
   carousel_slider: ^4.0.0
   confirm_dialog: ^1.0.0
   crypto: ^3.0.1
-  dubp:
-    path: packages/dubp_rs
   fast_base58: ^0.2.0
-  flutter:
-    sdk: flutter
-  flutter_driver:
-    sdk: flutter
   flutter_launcher_icons: ^0.9.2
   flutter_lints: ^1.0.4
   flutter_logs: ^2.1.4
@@ -58,6 +56,7 @@ dependencies:
   xml: ^5.3.0
   pull_to_refresh: ^2.0.0
   dio: ^4.0.4
+  durt: ^0.1.3+3
 
 flutter_icons:
   android: "ic_launcher"