## Description

Fixes marshaling error in sdk

closes https://github.com/cosmos/cosmos-sdk/issues/8578

the output stays the same, we are avoiding the passing of the callback because sdk uses typed logging.

```
// unbuffered
out, err := httpClient.Subscribe(ctx, "event.type=NewTx and account.name=Jack", 0)

// buffered
out, err := httpClient.Subscribe(ctx, "event.type=NewTx AND account.name=Jack", 20)
```

Before: when the `out` channel is buffered and becomes full, we drop an event (+ log the error)
After: when the `out` channel is buffered and becomes full, we block

**Before it was not apparent to the app when an event was dropped (looking at the logs is manual task). After this PR, if the user does not read from `out` on 1 subscription, all other subscriptions will be stuck too.**

Closes #6161

I'm also going to add the retros for all previous security incidents to this directory - I'd like to have them somewhere more central than the Cosmos Forum, where they currently live.

ref: #5912

Co-authored-by: Callum <cmwaters19@gmail.com>

Closes #6155

closes: #6159

## Description

Add docs on how to get tendermint version into RPC version outputs

ref: https://github.com/tendermint/tendermint/pull/6140#discussion_r578635756

ref: https://github.com/tendermint/tendermint/issues/5912

fixes https://github.com/tendermint/tendermint/runs/1926771645
```
ERROR [2021-02-18 12:16:30,492] main - jepsen.cli Oh jeez, I'm sorry,
Jepsen broke. Here's why:

clojure.lang.ExceptionInfo: throw+: {:dir "/", :private-key-path nil,
:password "root", :username "root", :type :jepsen.control/session-error,
:port 22, :strict-host-key-checking false, :host nil, :sudo nil, :dummy
false, :message "Error opening SSH session. Verify username, password,
and node hostnames are correct.", :session nil}
```

```
bash: line 0: cd: tendermint: No such file or directory
```

fixes https://github.com/tendermint/tendermint/runs/1925580432
```
No :main namespace specified in project.clj.
```

Fixes https://github.com/tendermint/tendermint/runs/1925329781

```
OCI runtime exec failed: exec failed: container_linux.go:370: starting
container process caused: exec: "lein run test --nemesis none --workload
cas-register --concurrency 10 --tendermint-url
https://github.com/melekes/katas/releases/download/0.2.0/tendermint.tar.gz
--merkleeyes-url
https://github.com/melekes/katas/releases/download/0.2.0/merkleeyes_0.1.7.tar.gz":
stat lein run test --nemesis none --workload cas-register --concurrency
10 --tendermint-url
https://github.com/melekes/katas/releases/download/0.2.0/tendermint.tar.gz
--merkleeyes-url
https://github.com/melekes/katas/releases/download/0.2.0/merkleeyes_0.1.7.tar.gz:
no such file or directory: unknown
```

fixes https://github.com/tendermint/tendermint/runs/1924860805

```
Run docker exec -it jepsen-control 'cd tendermint && lein run test
--nemesis  --workload ' the input device is not a TTY
```

Missed setting the buffer size on the subscription. Note, this doesn't really "fix" this test (a la ref: https://github.com/tendermint/tendermint/pull/5710).

However, I spent a good chunk of time looking at this test with many logs and I'm pretty sure this is mainly due to the fact that none of the nodes get the conflicting vote in time.

closes: #6127

Fixes the race condition between a callback being set and called during ReCheckTx. Note, I do not see equivalent logic in the gRPC client (anymore) as #5439 suggests, so only the socket client was updated.

closes: #5439

Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>
Co-authored-by: Callum Waters <cmwaters19@gmail.com>
Co-authored-by: Aleksandr Bezobchuk <alexanderbez@users.noreply.github.com>

## Description

Fix protobuf file names

Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from v2.3.0 to v2.4.0.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](https://github.com/golangci/golangci-lint-action/compare/v2.3.0...544d2efb307b3f205f34886f2787046abe7fb26e)

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Closes #6095.

Co-authored-by: Tess Rinearson <tess.rinearson@gmail.com>

Co-authored-by: Tess Rinearson <tess.rinearson@gmail.com>

Bumps [github.com/spf13/cobra](https://github.com/spf13/cobra) from 1.1.2 to 1.1.3.
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Bumps [github.com/spf13/cobra](https://github.com/spf13/cobra) from 1.1.1 to 1.1.2.
- [Release notes](https://github.com/spf13/cobra/releases)
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Co-authored-by: Callum Waters <cmwaters19@gmail.com>

Bumps [github.com/tendermint/tm-db](https://github.com/tendermint/tm-db) from 0.6.3 to 0.6.4.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/tendermint/tm-db/releases">github.com/tendermint/tm-db's releases</a>.</em></p>
<blockquote>
<h2>v0.6.4</h2>
<p><a href="https://github.com/tendermint/tm-db/blob/v0.6.4/CHANGELOG.md#064">https://github.com/tendermint/tm-db/blob/v0.6.4/CHANGELOG.md#064</a></p>
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<p><strong>2021-02-09</strong></p>
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<ul>
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<li><a href="c606a78361"><code>c606a78</code></a> build(deps): bump github.com/stretchr/testify from 1.6.1 to 1.7.0 (<a href="https://github-redirect.dependabot.com/tendermint/tm-db/issues/142">#142</a>)</li>
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Bumps [watchpack](https://github.com/webpack/watchpack) from 2.1.0 to 2.1.1.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/webpack/watchpack/releases">watchpack's releases</a>.</em></p>
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