Problem: subscription deadlock fix is not backported to 0.6.x (#352)

* Problem: Websocket blocks after terminating without unsubscribing

Closes: #207
Solution:
- backport the fix to 0.6.x

* update gomod2nix.toml

* Update CHANGELOG.md

* tag ethermint

CHANGELOG.md

@@ -4,6 +4,14 @@
 
 ### Bug Fixes
 
+- (rpc) [cronos#352](https://github.com/crypto-org-chain/cronos/pull/352) fix newPendingTransactions subscription deadlock issue, backport the fix in ethermint.
+
+*February 18, 2022*
+
+## v0.6.6
+
+### Bug Fixes
+
 - (rpc) [cronos#343](https://github.com/crypto-org-chain/cronos/pull/343) newPendingTransactions filter should return ethereum tx hash.
 
 ### Improvements

go.mod

@@ -164,7 +164,7 @@ replace github.com/ethereum/go-ethereum => github.com/crypto-org-chain/go-ethere
 // TODO: remove when ibc-go and ethermint upgrades cosmos-sdk
 replace github.com/cosmos/cosmos-sdk => github.com/cosmos/cosmos-sdk v0.44.7-0.20220214161517-8a26cd10b4be
 
-replace github.com/tharsis/ethermint => github.com/crypto-org-chain/ethermint v0.7.2-cronos-8
+replace github.com/tharsis/ethermint => github.com/crypto-org-chain/ethermint v0.7.2-cronos-9
 
 // Note: gorocksdb bindings for OptimisticTransactionDB are not merged upstream, so we use a fork
 // See https://github.com/tecbot/gorocksdb/pull/216

go.sum

@@ -237,8 +237,8 @@ github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:ma
 github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
-github.com/crypto-org-chain/ethermint v0.7.2-cronos-8 h1:uYYprF6KqlJnnCM2dPtnf4g/0rxNoqG0yDPjqTPU0BA=
-github.com/crypto-org-chain/ethermint v0.7.2-cronos-8/go.mod h1:J96LX4KvLyl+5jV6+mt/4l6srtGX/mdDTuqQQuYrdDk=
+github.com/crypto-org-chain/ethermint v0.7.2-cronos-9 h1:irEh7GgeDz17acQwU0FKjUVnNMIXmoY8C9XRH9SH+RU=
+github.com/crypto-org-chain/ethermint v0.7.2-cronos-9/go.mod h1:J96LX4KvLyl+5jV6+mt/4l6srtGX/mdDTuqQQuYrdDk=
 github.com/crypto-org-chain/go-ethereum v1.10.3-patched h1:kr6oQIYOi2VC8SZwkhlUDZE1Omit/YHVysKMgCB2nes=
 github.com/crypto-org-chain/go-ethereum v1.10.3-patched/go.mod h1:99onQmSd1GRGOziyGldI41YQb7EESX3Q4H41IfJgIQQ=
 github.com/crypto-org-chain/ibc-go v1.2.1-hooks h1:wuWaQqm/TFKJQwuFgjCPiPumQio+Yik5Z1DObDExrrU=

gomod2nix.toml

@@ -3712,13 +3712,13 @@
     sha256 = "1sgjf2vaq554ybc0cwkzn17cz2ibzph2rq0dgaw21c2hym09437x"
 
 ["github.com/tharsis/ethermint"]
-  sumVersion = "v0.7.2-cronos-8"
+  sumVersion = "v0.7.2-cronos-9"
   vendorPath = "github.com/crypto-org-chain/ethermint"
   ["github.com/tharsis/ethermint".fetch]
     type = "git"
     url = "https://github.com/crypto-org-chain/ethermint"
-    rev = "ad83067f4a5f4d72b5bcc64e52da0ae5c8b6d74b"
-    sha256 = "03zzqxf94i4y5lgsr3iwdikbbljw32p78zmqzwikj0jbjb53rrqs"
+    rev = "8fe755d23a29b2ff454e7573e5178e3e1ef5e908"
+    sha256 = "0m8jr3710mx8011580azx2akz70zv7sks3hmx8425nvbnn3kl2ps"
 
 ["github.com/tidwall/gjson"]
   sumVersion = "v1.6.7"