Migrate custom error trait impls to thiserror (#1856)

* Migrate to thiserror

* missing bits

* review comment

* Apply suggestions from code review

Co-authored-by: Niklas Adolfsson <[email protected]>

* From<scale_decode::visitor::Error> to remove Into::intos

* scale crates for core::error::Error

* bump msrv 1.81

* make signer crate compile

---------

Co-authored-by: Niklas Adolfsson <[email protected]>
Co-authored-by: James Wilson <[email protected]>

Cargo.toml

@@ -35,7 +35,7 @@ resolver = "2"
 authors = ["Parity Technologies <[email protected]>"]
 edition = "2021"
 version = "0.38.0"
-rust-version = "1.74.0"
+rust-version = "1.81.0"
 license = "Apache-2.0 OR GPL-3.0"
 repository = "https://github.com/paritytech/subxt"
 documentation = "https://docs.rs/subxt"
@@ -94,16 +94,16 @@ proc-macro2 = "1.0.86"
 quote = "1.0.37"
 regex = { version = "1.11.0", default-features = false }
 scale-info = { version = "2.11.4", default-features = false }
-scale-value = { version = "0.17.0", default-features = false }
-scale-bits = { version = "0.6.0", default-features = false }
-scale-decode = { version = "0.14.0", default-features = false }
-scale-encode = { version = "0.8.0", default-features = false }
-scale-typegen = "0.9.0"
-scale-typegen-description = "0.9.0"
+scale-value = { version = "0.18.0", default-features = false }
+scale-bits = { version = "0.7.0", default-features = false }
+scale-decode = { version = "0.16.0", default-features = false }
+scale-encode = { version = "0.10.0", default-features = false }
+scale-typegen = "0.10.0"
+scale-typegen-description = "0.10.0"
 serde = { version = "1.0.210", default-features = false, features = ["derive"] }
 serde_json = { version = "1.0.128", default-features = false }
 syn = { version = "2.0.77", features = ["full", "extra-traits"] }
-thiserror = "1.0.64"
+thiserror = { version = "2.0.0", default-features = false }
 tokio = { version = "1.40", default-features = false }
 tracing = { version = "0.1.40", default-features = false }
 tracing-wasm = "0.2.1"

core/Cargo.toml

@@ -19,10 +19,6 @@ default = ["std"]
 std = [
     "codec/std",
     "scale-info/std",
-    "scale-value/std",
-    "scale-bits/std",
-    "scale-decode/std",
-    "scale-encode/std",
     "frame-metadata/std",
     "subxt-metadata/std",
     "hex/std",
@@ -49,6 +45,8 @@ hex = { workspace = true, default-features = false, features = ["alloc"] }
 serde = { workspace = true, default-features = false, features = ["derive"] }
 serde_json = { workspace = true, default-features = false, features = ["raw_value", "alloc"] }
 hashbrown = { workspace = true }
+thiserror = { workspace = true, default-features = false }
+
 
 # For ss58 encoding AccountId32 to serialize them properly:
 base58 = { workspace = true }
@@ -82,4 +80,4 @@ rustdoc-args = ["--cfg", "docsrs"]
 default-features = true
 
 [lints]
-workspace = true
+workspace = true