imp(ibc)!: refactor error handling throughout codebase

.changelog/unreleased/breaking-changes/1311-migrate-cosmwasm-workspace.md

@@ -0,0 +1,3 @@
+- [cosmwasm] Migrate the `cosmwasm` workspace into its own separate repository
+  located at [cosmwasm-ibc](https://github.com/informalsystems/cosmwasm-ibc).
+  ([\#1311](https://github.com/cosmos/ibc-rs/issues/1311))

.changelog/unreleased/breaking-changes/1319-consolidate-decoding-related-errors.md

@@ -0,0 +1,2 @@
+- [ibc] Consolidate decoding-related errors into new `DecodingError` type
+  ([\1319](https://github.com/cosmos/ibc-rs/issues/1319))

.changelog/unreleased/breaking-changes/1320-define-host-error-type.md

@@ -0,0 +1,4 @@
+- [ibc-core] Define a new `HostError` type in ICS-24 to draw distinction between
+  protocol errors and host errors. Additionally, rename `ContextError` to
+  `HandlerError` to better reflect its use case.
+  ([\1320](https://github.com/cosmos/ibc-rs/issues/1320))

.changelog/unreleased/breaking-changes/1339-merge-packet-error-into-channel-error.md

@@ -0,0 +1,2 @@
+- [ibc-core-channel] Merge `PacketError` type into `ChannelError`
+  ([#1339](https://github.com/cosmos/ibc-rs/issues/1339))

.changelog/unreleased/breaking-changes/1346-remove-generic-string-error-variants.md

@@ -0,0 +1,3 @@
+- [ibc] Clean up multi-purpose variants like the `Other` variant and reduce
+  unnecessary `String` allocations in `*Error` enums.
+  ([\#1346](https://github.com/cosmos/ibc-rs/issues/1346))

.changelog/unreleased/breaking-changes/270-standardize-error-variants-to-be-less-specific.md

@@ -0,0 +1,3 @@
+- [ibc] Standardize error variants across the codebase to make them less
+  specific and more consistent.
+  ([\#270](https://github.com/cosmos/ibc-rs/issues/270))

.changelog/unreleased/breaking-changes/950-return-DecodingError-when-decoding-Any-to-MsgEnvelope.md

@@ -0,0 +1,2 @@
+- [ibc-core-handler] Return `DecodingError` for `MsgEnvelope` when trying to
+  decode from `Any` ([\#950](https://github.com/cosmos/ibc-rs/issues/950))

.changelog/v0.31.0/breaking-changes/482-fix-validate-self-client-error-type.md

@@ -1,3 +1,3 @@
-- Modify `validate_self_client` error type to return `ContextError` instead of
-  `ConnectionError` 
-  ([#482](https://github.com/cosmos/ibc-rs/issues/482))
+- Modify `validate_self_client` error type to return `HostError` instead of
+  `ConnectionError`
+  ([#482](https://github.com/cosmos/ibc-rs/issues/482))

.changelog/v0.33.0/improvement/547-error-strings.md

@@ -1,2 +1,2 @@
-- Fix ContextError Display output
+- Fix HandlerError Display output
   ([#547](https://github.com/cosmos/ibc-rs/issues/547))

.changelog/v0.45.0/breaking-changes/857-use-result-for-safe-counters-increment.md

@@ -1,3 +1,3 @@
 - Allow hosts to handle overflow cases in `increase_*_counter` methods by
-  returning `Result<(),ContextError>` type.
+  returning `Result<(),HostError>` type.
   ([#857](https://github.com/cosmos/ibc-rs/issues/857))

.changelog/v0.45.0/breaking-changes/859-return-result-in-logger-event-emitter-methods.md

@@ -1,2 +1,2 @@
-- logger and event emitter methods return `Result<(), ContextError>` type.
+- logger and event emitter methods return `Result<(), HostError>` type.
   ([#859](https://github.com/cosmos/ibc-rs/issues/859))

CHANGELOG.md

@@ -641,9 +641,9 @@ There are no consensus-breaking changes.
 - Bump ibc-proto-rs to v0.34.0
   ([#790](https://github.com/cosmos/ibc-rs/issues/790))
 - Allow hosts to handle overflow cases in `increase_*_counter` methods by
-  returning `Result<(),ContextError>` type.
+  returning `Result<(),HandlerError>` type.
   ([#857](https://github.com/cosmos/ibc-rs/issues/857))
-- logger and event emitter methods return `Result<(), ContextError>` type.
+- logger and event emitter methods return `Result<(), HandlerError>` type.
   ([#859](https://github.com/cosmos/ibc-rs/issues/859))
 - Bump `ibc-proto-rs` to v0.35.0 along with some other minor dependency updates
   ([#873](https://github.com/cosmos/ibc-rs/issues/873))
@@ -1042,7 +1042,7 @@ There are no consensus-breaking changes.
 
 ### IMPROVEMENT
 
-- Fix `ContextError` Display output
+- Fix `HandlerError` Display output
   ([#547](https://github.com/cosmos/ibc-rs/issues/547))
 
 ## v0.32.0
@@ -1099,7 +1099,7 @@ There are no consensus-breaking changes.
   ([#479](https://github.com/cosmos/ibc-rs/issues/479))
 - Remove Send + Sync supertraits on the Module trait
   ([#480](https://github.com/cosmos/ibc-rs/issues/480))
-- Modify `validate_self_client` error type to return `ContextError` instead of
+- Modify `validate_self_client` error type to return `HandlerError` instead of
   `ConnectionError`
   ([#482](https://github.com/cosmos/ibc-rs/issues/482))
 

Cargo.toml

@@ -105,7 +105,7 @@ ibc-client-wasm-types       = { version = "0.54.0", path = "./ibc-clients/ics08-
 ibc-app-transfer-types      = { version = "0.54.0", path = "./ibc-apps/ics20-transfer/types", default-features = false }
 ibc-app-nft-transfer-types  = { version = "0.54.0", path = "./ibc-apps/ics721-nft-transfer/types", default-features = false }
 
-ibc-proto = { version = "0.47.0", default-features = false }
+ibc-proto = { version = "0.47.1", default-features = false }
 
 # cosmos dependencies
 tendermint                       = { version = "0.38.0", default-features = false }