Bumps [github.com/stretchr/testify](https://github.com/stretchr/testify) from 1.5.1 to 1.6.0.
- [Release notes](https://github.com/stretchr/testify/releases)
- [Commits](https://github.com/stretchr/testify/compare/v1.5.1...v1.6.0)

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Closes #2998

Spec PR: https://github.com/tendermint/spec/pull/94

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.5.1 to 1.6.0.
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/master/CHANGELOG.md)
- [Commits](https://github.com/prometheus/client_golang/compare/v1.5.1...v1.6.0)

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Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.29.0 to 1.29.1.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.29.0...v1.29.1)

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Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.28.1 to 1.29.0.
<details>
<summary>Release notes</summary>
<p><em>Sourced from <a href="https://github.com/grpc/grpc-go/releases">google.golang.org/grpc's releases</a>.</em></p>
<blockquote>
<h2>Release 1.29.0</h2>
<h1>New Features</h1>
<ul>
<li>client: add a WithNoProxy dialoption (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3411">#3411</a>)
<ul>
<li>Special Thanks: <a href="https://github.com/pdbogen">@pdbogen</a></li>
</ul>
</li>
</ul>
<h1>Bug Fixes</h1>
<ul>
<li>xds: update nonce even if the ACK/NACK is not sent on wire (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3497">#3497</a>)</li>
<li>xds: add temporary logging to LRS (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3490">#3490</a>)</li>
<li>wrr: make random wrr thread safe (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3470">#3470</a>)</li>
<li>transport: fix handling of header metadata in serverHandler (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3484">#3484</a>)
<ul>
<li>Special Thanks: <a href="https://github.com/misberner">@misberner</a></li>
</ul>
</li>
<li>balancer: change roundrobin to accept empty address list (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3491">#3491</a>)</li>
<li>stats: set response compression codec on stats.InHeader and stats.OutHeader (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3390">#3390</a>)
<ul>
<li>Special Thanks: <a href="https://github.com/MatthewDolan">@MatthewDolan</a></li>
</ul>
</li>
</ul>
<h1>Documentation</h1>
<ul>
<li>credentials: Update doc strings for NewClientTLSFromCert et. al. (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3508">#3508</a>)</li>
<li>examples: add example to show how to use the health service (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3381">#3381</a>)
<ul>
<li>Special Thanks: <a href="https://github.com/mjpitz">@mjpitz</a></li>
</ul>
</li>
</ul>
</blockquote>
</details>
<details>
<summary>Commits</summary>
<ul>
<li><a href="bd6242a1aa"><code>bd6242a</code></a> Change version to 1.29.0 (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3509">#3509</a>)</li>
<li><a href="85e3a6fdd7"><code>85e3a6f</code></a> credentials: Update doc strings for NewClientTLSFromCert et. al. (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3508">#3508</a>)</li>
<li><a href="3038e58ed2"><code>3038e58</code></a> examples: add example to show how to use the health service (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3381">#3381</a>)</li>
<li><a href="98e4c7ad3e"><code>98e4c7a</code></a> xds: move balancer group to a separate package (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3493">#3493</a>)</li>
<li><a href="c5faf568da"><code>c5faf56</code></a> status: move statusError to internal/status package (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3432">#3432</a>)</li>
<li><a href="7cb4db26f1"><code>7cb4db2</code></a> internal: update grpc_lb_v1 proto (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3499">#3499</a>)</li>
<li><a href="a9601d93f4"><code>a9601d9</code></a> xds: update nonce even if the ACK/NACK is not sent on wire (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3497">#3497</a>)</li>
<li><a href="66e9dfe703"><code>66e9dfe</code></a> transport: fix handling of header metadata in serverHandler (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3484">#3484</a>)</li>
<li><a href="aedb1362d5"><code>aedb136</code></a> balancer: change roundrobin to accept empty address list (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3491">#3491</a>)</li>
<li><a href="fe1d8e7181"><code>fe1d8e7</code></a> xds: add temporary logging to LRS (<a href="https://github-redirect.dependabot.com/grpc/grpc-go/issues/3490">#3490</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/grpc/grpc-go/compare/v1.28.1...v1.29.0">compare view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility score](https://api.dependabot.com/badges/compatibility_score?dependency-name=google.golang.org/grpc&package-manager=go_modules&previous-version=1.28.1&new-version=1.29.0)](https://dependabot.com/compatibility-score/?dependency-name=google.golang.org/grpc&package-manager=go_modules&previous-version=1.28.1&new-version=1.29.0)

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting `@dependabot rebase`.

[//]: # (dependabot-automerge-start)
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<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
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</details>

Bumps [github.com/spf13/viper](https://github.com/spf13/viper) from 1.6.2 to 1.6.3.
- [Release notes](https://github.com/spf13/viper/releases)
- [Commits](https://github.com/spf13/viper/compare/v1.6.2...v1.6.3)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.28.0 to 1.28.1.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.28.0...v1.28.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Bumps [github.com/tendermint/tm-db](https://github.com/tendermint/tm-db) from 0.5.0 to 0.5.1.
- [Release notes](https://github.com/tendermint/tm-db/releases)
- [Changelog](https://github.com/tendermint/tm-db/blob/master/CHANGELOG.md)
- [Commits](https://github.com/tendermint/tm-db/compare/v0.5.0...v0.5.1)

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Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Bumps [github.com/spf13/cobra](https://github.com/spf13/cobra) from 0.0.6 to 0.0.7.
- [Release notes](https://github.com/spf13/cobra/releases)
- [Commits](https://github.com/spf13/cobra/compare/v0.0.6...0.0.7)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Signed-off-by: Marko Baricevic <marbar3778@yahoo.com>

Bumps [github.com/gorilla/websocket](https://github.com/gorilla/websocket) from 1.4.1 to 1.4.2.
- [Release notes](https://github.com/gorilla/websocket/releases)
- [Commits](https://github.com/gorilla/websocket/compare/v1.4.1...v1.4.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.5.0 to 1.5.1.
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/master/CHANGELOG.md)
- [Commits](https://github.com/prometheus/client_golang/compare/v1.5.0...v1.5.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Bumps [github.com/golang/protobuf](https://github.com/golang/protobuf) from 1.3.4 to 1.3.5.
- [Release notes](https://github.com/golang/protobuf/releases)
- [Commits](https://github.com/golang/protobuf/compare/v1.3.4...v1.3.5)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

* deps: bump deps that bot cant

- bumping deps that dependat bot does not do.

Signed-off-by: Marko Baricevic <marbar3778@yahoo.com>

* run go mod tidy

* fix go.sum

Bumps [github.com/tendermint/tm-db](https://github.com/tendermint/tm-db) from 0.4.1 to 0.5.0.
- [Release notes](https://github.com/tendermint/tm-db/releases)
- [Changelog](https://github.com/tendermint/tm-db/blob/master/CHANGELOG.md)
- [Commits](https://github.com/tendermint/tm-db/compare/v0.4.1...v0.5.0)

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Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.27.1 to 1.28.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.27.1...v1.28.0)

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Bumps [github.com/Workiva/go-datastructures](https://github.com/Workiva/go-datastructures) from 1.0.51 to 1.0.52.
- [Release notes](https://github.com/Workiva/go-datastructures/releases)
- [Commits](https://github.com/Workiva/go-datastructures/compare/v1.0.51...v1.0.52)

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* adr: crypto encoding for proto work

- this adr is meant to help with deciding on how to move forward with keys in tendermint.

* minor change

* fix gomod

* add a third option

* fix spelling

* add first part of descision

* breakdown keys and where they are used

* add some wording

* minor wording fix

* question

* change proto messages

* minor update

* undo go.mod changes

* add a few things based on comemnts

* push, push it real good

* minor explanation on interface type

* touch up

Closes: #4420 

Created a new error ErrInvalidHeaderwhich can be formed during the verification process verifier.go and will result in the replacement of the primary provider with a witness by executing: replacePrimaryProvider()

Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.4.1 to 1.5.0.
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/master/CHANGELOG.md)
- [Commits](https://github.com/prometheus/client_golang/compare/v1.4.1...v1.5.0)

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Bumps [github.com/Workiva/go-datastructures](https://github.com/Workiva/go-datastructures) from 1.0.50 to 1.0.51.
- [Release notes](https://github.com/Workiva/go-datastructures/releases)
- [Commits](https://github.com/Workiva/go-datastructures/compare/v1.0.50...v1.0.51)

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Bumps [github.com/golang/protobuf](https://github.com/golang/protobuf) from 1.3.3 to 1.3.4.
- [Release notes](https://github.com/golang/protobuf/releases)
- [Commits](https://github.com/golang/protobuf/compare/v1.3.3...v1.3.4)

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Bumps [github.com/tendermint/tm-db](https://github.com/tendermint/tm-db) from 0.4.0 to 0.4.1.
- [Release notes](https://github.com/tendermint/tm-db/releases)
- [Changelog](https://github.com/tendermint/tm-db/blob/master/CHANGELOG.md)
- [Commits](https://github.com/tendermint/tm-db/compare/v0.4.0...v0.4.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>

Bumps [github.com/spf13/cobra](https://github.com/spf13/cobra) from 0.0.3 to 0.0.6.
- [Release notes](https://github.com/spf13/cobra/releases)
- [Commits](https://github.com/spf13/cobra/compare/v0.0.3...v0.0.6)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [github.com/stretchr/testify](https://github.com/stretchr/testify) from 1.5.0 to 1.5.1.
- [Release notes](https://github.com/stretchr/testify/releases)
- [Commits](https://github.com/stretchr/testify/compare/v1.5.0...v1.5.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [github.com/stretchr/testify](https://github.com/stretchr/testify) from 1.4.0 to 1.5.0.
- [Release notes](https://github.com/stretchr/testify/releases)
- [Commits](https://github.com/stretchr/testify/compare/v1.4.0...v1.5.0)

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replaces #4434

Signed-off-by: Marko Baricevic <marbar3778@yahoo.com>

* dep: bump gokitdep: bump gokitdep: bump gokitdep: bump gokitdep: bump gokitdep: bump gokitdep: bump gokitdep: bump gokitdep: bump gokit-

Signedoff-by: Marko Baricevic <marbar3778@yahoo.com>

* go mod tidy

* test go version change

* combination of multiple cmds

Co-authored-by: Anton Kaliaev <anton.kalyaev@gmail.com>

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.27.0 to 1.27.1.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.27.0...v1.27.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [github.com/golang/protobuf](https://github.com/golang/protobuf) from 1.3.2 to 1.3.3.
- [Release notes](https://github.com/golang/protobuf/releases)
- [Commits](https://github.com/golang/protobuf/compare/v1.3.2...v1.3.3)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.26.0 to 1.27.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.26.0...v1.27.0)

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Bumps [github.com/spf13/viper](https://github.com/spf13/viper) from 1.6.1 to 1.6.2.
- [Release notes](https://github.com/spf13/viper/releases)
- [Commits](https://github.com/spf13/viper/compare/v1.6.1...v1.6.2)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [github.com/pkg/errors](https://github.com/pkg/errors) from 0.9.0 to 0.9.1.
- [Release notes](https://github.com/pkg/errors/releases)
- [Commits](https://github.com/pkg/errors/compare/v0.9.0...v0.9.1)

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* dep: update tm-db to 0.4.0

- update 0.4.0 as it is a breaking change and cannot be handled by depndabot

Signed-off-by: Marko Baricevic <marbar3778@yahoo.com>

*  more work towards error handling

* error and emtpy bytes handling

* work on tests

* add changelog entry, change some error handling

* address some pr comments

* panic in a few more places

* move error higher up

* redo some error handling

* fix some bz == nil to len(bz) == 0

* change statebytes

Bumps [github.com/pkg/errors](https://github.com/pkg/errors) from 0.8.1 to 0.9.0.
- [Release notes](https://github.com/pkg/errors/releases)
- [Commits](https://github.com/pkg/errors/compare/v0.8.1...v0.9.0)

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Bumps [github.com/go-logfmt/logfmt](https://github.com/go-logfmt/logfmt) from 0.4.0 to 0.5.0.
- [Release notes](https://github.com/go-logfmt/logfmt/releases)
- [Changelog](https://github.com/go-logfmt/logfmt/blob/master/CHANGELOG.md)
- [Commits](https://github.com/go-logfmt/logfmt/compare/v0.4.0...v0.5.0)

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* fix raw import sr25519

* add sr25519 to multisig codec

* bump go-schnorrkel

Co-authored-by: Marko <marbar3778@yahoo.com>

Fixes sr25519 pubkey generation and signing when importing from raw bytes

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.25.1 to 1.26.0.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.25.1...v1.26.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Bumps [github.com/spf13/viper](https://github.com/spf13/viper) from 1.5.0 to 1.6.1.
- [Release notes](https://github.com/spf13/viper/releases)
- [Commits](https://github.com/spf13/viper/compare/v1.5.0...v1.6.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

* sr25519

* added amino encoding

* fixed dependencies

* Apply suggestions from code review

Co-Authored-By: Tess Rinearson <tess.rinearson@gmail.com>
Co-Authored-By: Marko <marbar3778@yahoo.com>

* file structure

* Apply suggestions from code review

Co-Authored-By: Anton Kaliaev <anton.kalyaev@gmail.com>

* address @melekes and @marbar3778 review

* removed nolint

* CHANGELOG and go-schnorrkel mod update

* p2p/conn: simplify secret connection handshake malleability fix with merlin

Introduces new dependencies on github.com/gtank/merlin and sha3 as a cryptographic primitive

This also only uses the transcript hash as a MAC.

* p2p/conn: avoid string to byte conversion

https://github.com/uber-go/guide/blob/master/style.md#avoid-string-to-byte-conversion

Signed-off-by: Marko Baricevic <marbar3778@yahoo.com>

BREAKING

Example response:

```json
{
  "jsonrpc": "2.0",
  "id": "",
  "result": {
    "height": "2109",
    "txs_results": null,
    "begin_block_events": null,
    "end_block_events": null,
    "validator_updates": null,
    "consensus_param_updates": null
  }
}
```

Old result consisted of ABCIResponses struct and height. Exposing
internal ABCI structures (which we store in state package) in RPC seems
bad to me for the following reasons:

1) high risk of breaking the API when somebody changes internal structs
(HAPPENED HERE!)
2) RPC is aware of ABCI, which I'm not sure we want

Bumps [google.golang.org/grpc](https://github.com/grpc/grpc-go) from 1.25.0 to 1.25.1.
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.25.0...v1.25.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>