Add frame_support::crypto::ecdsa::Public.to_eth_address() (k256-based) and use it in pallets (#11087)

* `ecdsa::Public::to_eth_address` + test, beefy-mmr `convert()` to use it, contracts Ext interface

* `seal_ecdsa_to_eth_address` all but benchmark done

* `seal_ecdsa_to_eth_address` + wasm test

* `seal_ecdsa_to_eth_address` + benchmark

* fixed dependencies

* Apply suggestions from code review

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

* fixes from review #1

* ecdsa::Public(*pk).to_eth_address() moved to frame_support and contracts to use it

* beefy-mmr to use newly added frame_support function for convertion

* a doc fix

* import fix

* benchmark fix-1 (still fails)

* benchmark fixed

* Apply suggestions from code review

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

* fixes on Alex T feedback

* to_eth_address() put into extension trait for sp-core::ecdsa::Public

* Update frame/support/src/crypto/ecdsa.rs

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

* Update frame/contracts/src/wasm/mod.rs

Co-authored-by: Alexander Theißen <alex.theissen@me.com>

* fixes on issues pointed out in review

* benchmark errors fixed

* fmt fix

* EcdsaRecoverFailed err docs updated

* Apply suggestions from code review

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* make applied suggestions compile

* get rid of unwrap() in runtime

* Remove expect

Co-authored-by: Alexander Theißen <alex.theissen@me.com>
Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
Co-authored-by: Bastian Köcher <info@kchr.de>

substrate/Cargo.lock

@@ -456,12 +456,6 @@ version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
 
-[[package]]
-name = "base64ct"
-version = "1.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "874f8444adcb4952a8bc51305c8be95c8ec8237bb0d2e78d2e039f771f8828a0"
-
 [[package]]
 name = "beef"
 version = "0.5.1"
@@ -1805,6 +1799,7 @@ checksum = "d0d69ae62e0ce582d56380743515fefaf1a8c70cec685d9677636d7e30ae9dc9"
 dependencies = [
  "der",
  "elliptic-curve",
+ "rfc6979",
  "signature",
 ]
 
@@ -2311,6 +2306,7 @@ dependencies = [
  "frame-support-procedural",
  "frame-system",
  "impl-trait-for-tuples",
+ "k256",
  "log 0.4.14",
  "once_cell",
  "parity-scale-codec",
@@ -5667,7 +5663,6 @@ dependencies = [
  "frame-system",
  "hex",
  "hex-literal",
- "k256",
  "log 0.4.14",
  "pallet-beefy",
  "pallet-mmr",
@@ -7071,17 +7066,6 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
-[[package]]
-name = "pkcs8"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7cabda3fb821068a9a4fab19a683eac3af12edf0f34b94a8be53c4972b8149d0"
-dependencies = [
- "der",
- "spki",
- "zeroize",
-]
-
 [[package]]
 name = "pkg-config"
 version = "0.3.19"
@@ -7871,6 +7855,17 @@ version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "448296241d034b96c11173591deaa1302f2c17b56092106c1f92c1bc0183a8c9"
 
+[[package]]
+name = "rfc6979"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96ef608575f6392792f9ecf7890c00086591d29a83910939d430753f7c050525"
+dependencies = [
+ "crypto-bigint",
+ "hmac 0.11.0",
+ "zeroize",
+]
+
 [[package]]
 name = "ring"
 version = "0.16.20"
@@ -9377,7 +9372,6 @@ checksum = "08da66b8b0965a5555b6bd6639e68ccba85e1e2506f5fbb089e93f8a04e1a2d1"
 dependencies = [
  "der",
  "generic-array 0.14.4",
- "pkcs8",
  "subtle",
  "zeroize",
 ]
@@ -9662,6 +9656,7 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "02658e48d89f2bec991f9a78e69cfa4c316f8d6a6c4ec12fae1aeb263d486788"
 dependencies = [
+ "digest 0.9.0",
  "rand_core 0.6.2",
 ]
 
@@ -10588,16 +10583,6 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"
 
-[[package]]
-name = "spki"
-version = "0.5.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44d01ac02a6ccf3e07db148d2be087da624fea0221a16152ed01f0496a6b0a27"
-dependencies = [
- "base64ct",
- "der",
-]
-
 [[package]]
 name = "ss58-registry"
 version = "1.11.0"