Custom extrinsic & Dynamic remote fee

Cargo.toml

@@ -55,6 +55,7 @@ members = [
 	"bridges/snowbridge/pallets/outbound-queue/runtime-api",
 	"bridges/snowbridge/pallets/system",
 	"bridges/snowbridge/pallets/system/runtime-api",
+	"bridges/snowbridge/pallets/xcm-helper",
 	"bridges/snowbridge/primitives/beacon",
 	"bridges/snowbridge/primitives/core",
 	"bridges/snowbridge/primitives/ethereum",
@@ -1197,6 +1198,7 @@ snowbridge-pallet-inbound-queue = { path = "bridges/snowbridge/pallets/inbound-q
 snowbridge-pallet-inbound-queue-fixtures = { path = "bridges/snowbridge/pallets/inbound-queue/fixtures", default-features = false }
 snowbridge-pallet-outbound-queue = { path = "bridges/snowbridge/pallets/outbound-queue", default-features = false }
 snowbridge-pallet-system = { path = "bridges/snowbridge/pallets/system", default-features = false }
+snowbridge-pallet-xcm-helper = { path = "bridges/snowbridge/pallets/xcm-helper", default-features = false }
 snowbridge-router-primitives = { path = "bridges/snowbridge/primitives/router", default-features = false }
 snowbridge-runtime-common = { path = "bridges/snowbridge/runtime/runtime-common", default-features = false }
 snowbridge-runtime-test-common = { path = "bridges/snowbridge/runtime/test-common", default-features = false }

bridges/snowbridge/pallets/xcm-helper/Cargo.toml

@@ -0,0 +1,86 @@
+[package]
+name = "snowbridge-pallet-xcm-helper"
+description = "Snowbridge Xcm Helper Pallet"
+version = "0.2.0"
+authors = ["Snowfork <[email protected]>"]
+edition.workspace = true
+repository.workspace = true
+license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
+
+[dependencies]
+codec = { package = "parity-scale-codec", version = "3.6.12", default-features = false, features = [
+	"derive",
+] }
+scale-info = { version = "2.9.0", default-features = false, features = ["derive"] }
+frame-benchmarking = { path = "../../../../substrate/frame/benchmarking", default-features = false, optional = true }
+frame-support = { path = "../../../../substrate/frame/support", default-features = false }
+frame-system = { path = "../../../../substrate/frame/system", default-features = false }
+log = { workspace = true }
+sp-core = { path = "../../../../substrate/primitives/core", default-features = false }
+sp-std = { path = "../../../../substrate/primitives/std", default-features = false }
+sp-io = { path = "../../../../substrate/primitives/io", default-features = false }
+sp-runtime = { path = "../../../../substrate/primitives/runtime", default-features = false }
+xcm = { package = "staging-xcm", path = "../../../../polkadot/xcm", default-features = false }
+xcm-executor = { package = "staging-xcm-executor", path = "../../../../polkadot/xcm/xcm-executor", default-features = false }
+snowbridge-core = { path = "../../primitives/core", default-features = false }
+
+[dev-dependencies]
+hex = "0.4.1"
+hex-literal = { version = "0.4.1" }
+pallet-balances = { path = "../../../../substrate/frame/balances" }
+sp-keyring = { path = "../../../../substrate/primitives/keyring" }
+polkadot-primitives = { path = "../../../../polkadot/primitives" }
+pallet-message-queue = { path = "../../../../substrate/frame/message-queue" }
+xcm-builder = { package = "staging-xcm-builder", path = "../../../../polkadot/xcm/xcm-builder" }
+pallet-assets = { path = "../../../../substrate/frame/assets" }
+polkadot-runtime-parachains = { path = "../../../../polkadot/runtime/parachains" }
+polkadot-parachain-primitives = { path = "../../../../polkadot/parachain" }
+
+[features]
+default = ["std"]
+std = [
+	"codec/std",
+	"frame-benchmarking?/std",
+	"frame-support/std",
+	"frame-system/std",
+	"log/std",
+	"scale-info/std",
+	"snowbridge-core/std",
+	"sp-core/std",
+	"sp-io/std",
+	"sp-runtime/std",
+	"sp-std/std",
+	"xcm-executor/std",
+	"xcm/std",
+]
+runtime-benchmarks = [
+	"frame-benchmarking/runtime-benchmarks",
+	"frame-support/runtime-benchmarks",
+	"frame-system/runtime-benchmarks",
+	"pallet-assets/runtime-benchmarks",
+	"pallet-balances/runtime-benchmarks",
+	"pallet-message-queue/runtime-benchmarks",
+	"polkadot-parachain-primitives/runtime-benchmarks",
+	"polkadot-primitives/runtime-benchmarks",
+	"polkadot-runtime-parachains/runtime-benchmarks",
+	"snowbridge-core/runtime-benchmarks",
+	"sp-runtime/runtime-benchmarks",
+	"xcm-builder/runtime-benchmarks",
+	"xcm-executor/runtime-benchmarks",
+]
+try-runtime = [
+	"frame-support/try-runtime",
+	"frame-system/try-runtime",
+	"pallet-assets/try-runtime",
+	"pallet-balances/try-runtime",
+	"pallet-message-queue/try-runtime",
+	"polkadot-runtime-parachains/try-runtime",
+	"sp-runtime/try-runtime",
+]