DVM Updates (#463)

* Companion for `Accept None chain ID`

* Companion for 239

* Companion for 242

* Companion for 244

* Companion for 246

* Companion for 248

* Companion for 258

* Companion for 254

* Companion for 263

* Companion for 261

* Companion for 255

* Companion for 264

* Companion for 250

* Companion for 265

* Companion for 269

* Format and licenses

* File end line

* Remove old transfer back precompile

* Reconstruct dvm address mapping

* Clean unused imports

* Del precompile file in dvm module

* Fix js tests

* update: format

Co-authored-by: Xavier Lau <c.estlavie@icloud.com>

Cargo.toml

@@ -27,6 +27,12 @@ members = [
 	"frame/dvm/rpc/runtime-api",
 	"frame/elections-phragmen",
 	"frame/evm",
+	"frame/evm/precompile/blake2",
+	"frame/evm/precompile/bn128",
+	"frame/evm/precompile/dispatch",
+	"frame/evm/precompile/ed25519",
+	"frame/evm/precompile/modexp",
+	"frame/evm/precompile/simple",
 	"frame/header-mmr",
 	"frame/header-mmr/rpc",
 	"frame/header-mmr/rpc/runtime-api",

bin/node/runtime/pangolin/Cargo.toml

@@ -26,6 +26,7 @@ darwinia-elections-phragmen         = { default-features = false, path = "../../
 darwinia-ethereum-backing           = { default-features = false, path = "../../../../frame/bridge/ethereum/backing" }
 darwinia-ethereum-relay             = { default-features = false, path = "../../../../frame/bridge/ethereum/relay" }
 darwinia-evm                        = { default-features = false, path = "../../../../frame/evm" }
+darwinia-evm-precompile-simple      = { default-features = false, path = "../../../../frame/evm/precompile/simple" }
 darwinia-header-mmr                 = { default-features = false, path = "../../../../frame/header-mmr" }
 darwinia-header-mmr-rpc-runtime-api = { default-features = false, path = "../../../../frame/header-mmr/rpc/runtime-api" }
 darwinia-relay-authorities          = { default-features = false, path = "../../../../frame/bridge/relay-authorities" }
@@ -98,6 +99,7 @@ std     = [
 	"darwinia-ethereum-backing/std",
 	"darwinia-ethereum-relay/std",
 	"darwinia-evm/std",
+	"darwinia-evm-precompile-simple/std",
 	"darwinia-header-mmr/std",
 	"darwinia-header-mmr-rpc-runtime-api/std",
 	"darwinia-relay-authorities/std",