fix: return 404 on non-existing tx (backport cosmos#10992) (cosmos#11014

) * fix: return 404 on non-existing tx (cosmos#10992) (cherry picked from commit 1581289) # Conflicts: # CHANGELOG.md * fix cl Co-authored-by: Aleksandr Bezobchuk <alexanderbez@users.noreply.github.com> Co-authored-by: Aleksandr Bezobchuk <aleks.bezobchuk@gmail.com>
agoric-labs · Sep 28, 2024 · 429b7d1 · 429b7d1
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -38,6 +38,10 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ## [Unreleased]
 
+### Bug Fixes
+
+* (grpc) [\#10985](https://github.com/cosmos/cosmos-sdk/pull/10992) The `/cosmos/tx/v1beta1/txs/{hash}` endpoint returns a 404 when a tx does not exist.
+
 ## [v0.45.0](https://github.com/cosmos/cosmos-sdk/releases/tag/v0.45.0) - 2022-01-18
 
 ### State Machine Breaking

diff --git a/x/auth/tx/service.go b/x/auth/tx/service.go
@@ -115,6 +115,8 @@ func (s txServer) GetTx(ctx context.Context, req *txtypes.GetTxRequest) (*txtype
 		return nil, status.Error(codes.InvalidArgument, "tx hash cannot be empty")
 	}
 
+	// TODO We should also check the proof flag in gRPC header.
+	// https://github.com/cosmos/cosmos-sdk/issues/7036.
 	result, err := QueryTx(s.clientCtx, req.Hash)
 	if err != nil {
 		if strings.Contains(err.Error(), "not found") {