working: Reintroduce Platform impl + instant crash fix

Signed-off-by: Alexandru Vasile <alexandru.vasile@parity.io>

testing/wasm-tests/Cargo.lock

@@ -75,20 +75,6 @@ version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8da52d66c7071e2e3fa2a1e5c6d088fec47b593032b254f5e980de8ea54454d6"
 
-[[package]]
-name = "async-executor"
-version = "1.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6fa3dc5f2a8564f07759c008b9109dc0d39de92a88d5588b8a5036d286383afb"
-dependencies = [
- "async-lock",
- "async-task",
- "concurrent-queue",
- "fastrand",
- "futures-lite",
- "slab",
-]
-
 [[package]]
 name = "async-lock"
 version = "2.7.0"
@@ -98,12 +84,6 @@ dependencies = [
  "event-listener",
 ]
 
-[[package]]
-name = "async-task"
-version = "4.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ecc7ab41815b3c653ccd2978ec3255c81349336702dfdf62ee6f7069b12a3aae"
-
 [[package]]
 name = "async-trait"
 version = "0.1.68"
@@ -311,15 +291,6 @@ dependencies = [
  "generic-array",
 ]
 
-[[package]]
-name = "concurrent-queue"
-version = "2.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62ec6771ecfa0762d24683ee5a32ad78487a3d3afdc0fb8cae19d2c5deb50b7c"
-dependencies = [
- "crossbeam-utils",
-]
-
 [[package]]
 name = "console_error_panic_hook"
 version = "0.1.7"
@@ -613,15 +584,6 @@ version = "2.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
 
-[[package]]
-name = "fastrand"
-version = "1.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e51093e27b0797c359783294ca4f0a911c270184cb10f85783b118614a1501be"
-dependencies = [
- "instant",
-]
-
 [[package]]
 name = "fiat-crypto"
 version = "0.1.20"
@@ -712,21 +674,6 @@ version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4fff74096e71ed47f8e023204cfd0aa1289cd54ae5430a9523be060cdb849964"
 
-[[package]]
-name = "futures-lite"
-version = "1.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49a9d51ce47660b1e808d3c990b4709f2f415d928835a17dfd16991515c46bce"
-dependencies = [
- "fastrand",
- "futures-core",
- "futures-io",
- "memchr",
- "parking",
- "pin-project-lite",
- "waker-fn",
-]
-
 [[package]]
 name = "futures-macro"
 version = "0.3.28"
@@ -1067,6 +1014,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a5bbe824c507c5da5956355e86a746d82e0e1464f65d862cc5e71da70e94b2c"
 dependencies = [
  "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
 ]
 
 [[package]]
@@ -1437,12 +1387,6 @@ dependencies = [
  "syn 1.0.109",
 ]
 
-[[package]]
-name = "parking"
-version = "2.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14f2252c834a40ed9bb5422029649578e63aa341ac401f74e719dd1afda8394e"
-
 [[package]]
 name = "paste"
 version = "1.0.12"
@@ -2083,26 +2027,6 @@ dependencies = [
  "smoldot",
 ]
 
-[[package]]
-name = "smoldot-light-wasm"
-version = "1.0.6"
-dependencies = [
- "async-executor",
- "async-task",
- "event-listener",
- "fnv",
- "futures-util",
- "hashbrown 0.13.2",
- "lazy_static",
- "log",
- "nom",
- "pin-project",
- "rand",
- "slab",
- "smoldot",
- "smoldot-light",
-]
-
 [[package]]
 name = "snow"
 version = "0.9.2"
@@ -2217,6 +2141,7 @@ dependencies = [
  "gloo-net",
  "hex",
  "impl-serde",
+ "instant",
  "jsonrpsee",
  "parity-scale-codec",
  "primitive-types",
@@ -2229,9 +2154,7 @@ dependencies = [
  "serde_json",
  "smoldot",
  "smoldot-light",
- "smoldot-light-wasm",
  "sp-core-hashing",
- "subxt-light-client",
  "subxt-macro",
  "subxt-metadata",
  "thiserror",
@@ -2259,18 +2182,6 @@ dependencies = [
  "tokio",
 ]
 
-[[package]]
-name = "subxt-light-client"
-version = "0.28.0"
-dependencies = [
- "console_error_panic_hook",
- "gloo-timers",
- "lazy_static",
- "tracing",
- "tracing-wasm",
- "wasm-bindgen",
-]
-
 [[package]]
 name = "subxt-macro"
 version = "0.28.0"
@@ -2564,12 +2475,6 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
 
-[[package]]
-name = "waker-fn"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d5b2c62b4012a3e1eca5a7e077d13b3bf498c4073e33ccd58626607748ceeca"
-
 [[package]]
 name = "want"
 version = "0.3.0"