diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index c517591a095..c1a3ba9d84b 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -43,7 +43,7 @@ write a little note why.
 
 - [ ] Targeted PR against correct branch (see [CONTRIBUTING.md](https://github.com/cosmos/ibc-go/blob/master/CONTRIBUTING.md#pr-targeting)).
 - [ ] Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
-- [ ] Code follows the [module structure standards](https://github.com/cosmos/cosmos-sdk/blob/main/docs/docs/building-modules/10-structure.md).
+- [ ] Code follows the [module structure standards](https://github.com/cosmos/cosmos-sdk/blob/main/docs/docs/building-modules/11-structure.md).
 - [ ] Wrote unit and integration [tests](https://github.com/cosmos/ibc-go/blob/master/CONTRIBUTING.md#testing).
 - [ ] Updated relevant documentation (`docs/`) or specification (`x/<module>/spec/`).
 - [ ] Added relevant `godoc` [comments](https://blog.golang.org/godoc-documenting-go-code).
diff --git a/.github/workflows/golangci.yml b/.github/workflows/golangci.yml
index ae9545c2df4..8af612b84c9 100644
--- a/.github/workflows/golangci.yml
+++ b/.github/workflows/golangci.yml
@@ -17,10 +17,10 @@ jobs:
     steps:
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: 1.19
       - uses: actions/checkout@v3
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3.2.0
         with:
-          version: latest
+          version: v1.51.2
           args: --timeout 5m
\ No newline at end of file
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 06b11e26d46..be8f8b6d89b 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -21,7 +21,7 @@ jobs:
 
       - uses: actions/setup-go@v3
         with:
-          go-version: '1.18'
+          go-version: '1.19'
           
       - name: Release
         uses: goreleaser/goreleaser-action@v3
@@ -51,4 +51,5 @@ jobs:
           context: .
           push: true
           tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            IBC_GO_VERSION="${{ github.ref_name }}"
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index dabb6af1178..7cef525ae1c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -21,7 +21,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: 1.19
       - name: Display go version
         run: go version
       - name: install tparse
@@ -41,7 +41,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: 1.19
       - uses: technote-space/get-diff-action@v6.1.0
         id: git_diff
         with:
@@ -52,6 +52,13 @@ jobs:
       - name: Build
         run: GOARCH=${{ matrix.go-arch }} LEDGER_ENABLED=false make build
 
+  docker-build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Docker Build
+        run: docker build . --no-cache --build-arg IBC_GO_VERSION=v6.1.0
+
   split-test-files:
     runs-on: ubuntu-latest
     steps:
@@ -89,7 +96,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.18
+          go-version: 1.19
       - uses: technote-space/get-diff-action@v6.1.0
         with:
           PATTERNS: |
diff --git a/.golangci.yml b/.golangci.yml
index 19c59963c96..61c5fb8a131 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -6,7 +6,6 @@ run:
 linters:
   disable-all: true
   enable:
-    - deadcode
     - depguard
     - dogsled
     - exportloopref
@@ -33,6 +32,12 @@ linters:
 
 issues:
   exclude-rules:
+    - text: "is unused for linter"
+      linters:
+        - nolintlint
+    - text: "SA1019:"
+      linters:
+        - staticcheck
     - text: "Use of weak random number generator"
       linters:
         - gosec
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 233c0e0b1df..98f4dd7e94c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -34,6 +34,39 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 # Changelog
 
+## [[Unreleased]]
+
+### Dependencies
+
+### API Breaking
+
+### State Machine Breaking
+
+### Improvements
+
+### Features
+
+### Bug Fixes
+
+## [v6.2.0](https://github.com/cosmos/ibc-go/releases/tag/v6.2.0) - 2023-05-31
+
+### Dependencies
+
+* [\#3393](https://github.com/cosmos/ibc-go/pull/3393) Bump Cosmos SDK to v0.46.12 and replace Tendermint with CometBFT v0.34.37.
+
+### Improvements
+
+* (core) [\#3082](https://github.com/cosmos/ibc-go/pull/3082) Add `HasConnection` and `HasChannel` methods.
+* (apps/transfer) [\#3454](https://github.com/cosmos/ibc-go/pull/3454) Support transfer authorization unlimited spending when the max `uint256` value is provided as limit.
+
+### Features
+
+* [\#3079](https://github.com/cosmos/ibc-go/pull/3079) Add authz support for ics20.
+
+### Bug Fixes
+
+* [\#3346](https://github.com/cosmos/ibc-go/pull/3346) Properly handle ordered channels in `UnreceivedPackets` query.
+
 ## [v6.1.0](https://github.com/cosmos/ibc-go/releases/tag/v6.1.0) - 2022-12-20
 
 ### Dependencies
diff --git a/Dockerfile b/Dockerfile
index a193f54906e..e9dc7fb7973 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,8 +1,13 @@
-FROM golang:1.18 as builder
+FROM golang:1.19 as builder
+
+ARG IBC_GO_VERSION
 
 ENV GOPATH=""
 ENV GOMODULE="on"
 
+# ensure the ibc go version is being specified for this image.
+RUN test -n "${IBC_GO_VERSION}"
+
 COPY go.mod .
 COPY go.sum .
 
@@ -14,10 +19,15 @@ ADD LICENSE LICENSE
 
 COPY Makefile .
 
+
 RUN make build
 
 FROM ubuntu:20.04
 
+ARG IBC_GO_VERSION
+
+LABEL "org.cosmos.ibc-go" "${IBC_GO_VERSION}"
+
 COPY --from=builder /go/build/simd /bin/simd
 
 ENTRYPOINT ["simd"]
diff --git a/docs/.vuepress/config.js b/docs/.vuepress/config.js
index 411f0c466f9..f98bda280fa 100644
--- a/docs/.vuepress/config.js
+++ b/docs/.vuepress/config.js
@@ -277,6 +277,11 @@ module.exports = {
                   directory: false,
                   path: "/apps/transfer/params.html",
                 },
+                {
+                  title: "Authorizations",
+                  directory: false,
+                  path: "/apps/transfer/authorizations.html",
+                },
               ],
             },
           ],
diff --git a/docs/apps/transfer/authorizations.md b/docs/apps/transfer/authorizations.md
new file mode 100644
index 00000000000..83eec2ad734
--- /dev/null
+++ b/docs/apps/transfer/authorizations.md
@@ -0,0 +1,47 @@
+# `TransferAuthorization`
+
+`TransferAuthorization` implements the `Authorization` interface for `ibc.applications.transfer.v1.MsgTransfer`. It allows a granter to grant a grantee the privilege to submit `MsgTransfer` on its behalf. Please see the [Cosmos SDK docs](https://docs.cosmos.network/v0.47/modules/authz) for more details on granting privileges via the `x/authz` module.
+
+More specifically, the granter allows the grantee to transfer funds that belong to the granter over a specified channel.
+
+For the specified channel, the granter must be able to specify a spend limit of a specific denomination they wish to allow the grantee to be able to transfer.
+
+The granter may be able to specify the list of addresses that they allow to receive funds. If empty, then all addresses are allowed.
+
+
+It takes: 
+
+- a `SourcePort` and a `SourceChannel` which together comprise the unique transfer channel identifier over which authorized funds can be transferred.
+
+- a `SpendLimit` that specifies the maximum amount of tokens the grantee can transfer. The `SpendLimit` is updated as the tokens are transfered, unless the sentinel value of the maximum value for a 256-bit unsigned integer (i.e. 2^256 - 1) is used for the amount, in which case the `SpendLimit` will not be updated (please be aware that using this sentinel value will grant the grantee the privilege to transfer **all** the tokens of a given denomination available at the granter's account). The helper function `UnboundedSpendLimit` in the `types` package of the `transfer` module provides the sentinel value that can be used. This `SpendLimit` may also be updated to increase or decrease the limit as the granter wishes.
+
+- an `AllowList` list that specifies the list of addresses that are allowed to receive funds. If this list is empty, then all addresses are allowed to receive funds from the `TransferAuthorization`.
+
+Setting a `TransferAuthorization` is expected to fail if:
+- the spend limit is nil
+- the denomination of the spend limit is an invalid coin type
+- the source port ID is invalid
+- the source channel ID is invalid
+- there are duplicate entries in the `AllowList`
+
+Below is the `TransferAuthorization` message:
+
+```golang
+func NewTransferAuthorization(allocations ...Allocation) *TransferAuthorization {
+	return &TransferAuthorization{
+		Allocations: allocations,
+	}
+}
+
+type Allocation struct {
+	// the port on which the packet will be sent
+	SourcePort string 
+	// the channel by which the packet will be sent
+	SourceChannel string 
+	// spend limitation on the channel
+	SpendLimit sdk.Coins  
+	// allow list of receivers, an empty allow list permits any receiver address
+	AllowList []string 
+}
+
+```
\ No newline at end of file
diff --git a/docs/ibc/integration.md b/docs/ibc/integration.md
index d985986f3fd..64c7ead5d89 100644
--- a/docs/ibc/integration.md
+++ b/docs/ibc/integration.md
@@ -139,7 +139,7 @@ func NewApp(...args) *App {
 
 ### Module Managers
 
-In order to use IBC, we need to add the new modules to the module `Manager` and to the `SimulationManager` in case your application supports [simulations](https://github.com/cosmos/cosmos-sdk/blob/main/docs/docs/building-modules/13-simulator.md).
+In order to use IBC, we need to add the new modules to the module `Manager` and to the `SimulationManager` in case your application supports [simulations](https://github.com/cosmos/cosmos-sdk/blob/main/docs/docs/building-modules/14-simulator.md).
 
 ```go
 // app.go
diff --git a/docs/ibc/proto-docs.md b/docs/ibc/proto-docs.md
index 052be9fff4e..31ea7dfe6a9 100644
--- a/docs/ibc/proto-docs.md
+++ b/docs/ibc/proto-docs.md
@@ -154,6 +154,10 @@
   
     - [Msg](#ibc.applications.transfer.v1.Msg)
   
+- [ibc/applications/transfer/v2/authz.proto](#ibc/applications/transfer/v2/authz.proto)
+    - [PortChannelAmount](#ibc.applications.transfer.v2.PortChannelAmount)
+    - [TransferAuthorization](#ibc.applications.transfer.v2.TransferAuthorization)
+  
 - [ibc/applications/transfer/v2/packet.proto](#ibc/applications/transfer/v2/packet.proto)
     - [FungibleTokenPacketData](#ibc.applications.transfer.v2.FungibleTokenPacketData)
   
@@ -2291,6 +2295,56 @@ Msg defines the ibc/transfer Msg service.
 
 
 
+<a name="ibc/applications/transfer/v2/authz.proto"></a>
+<p align="right"><a href="#top">Top</a></p>
+
+## ibc/applications/transfer/v2/authz.proto
+
+
+
+<a name="ibc.applications.transfer.v2.PortChannelAmount"></a>
+
+### PortChannelAmount
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `source_port` | [string](#string) |  | the port on which the packet will be sent |
+| `source_channel` | [string](#string) |  | the channel by which the packet will be sent |
+| `spend_limit` | [cosmos.base.v1beta1.Coin](#cosmos.base.v1beta1.Coin) | repeated | spend limitation on the channel |
+| `allowed_addresses` | [string](#string) | repeated |  |
+
+
+
+
+
+
+<a name="ibc.applications.transfer.v2.TransferAuthorization"></a>
+
+### TransferAuthorization
+TransferAuthorization allows the grantee to spend up to spend_limit coins from
+the granter's account for ibc transfer on a specific channel
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| `allocations` | [PortChannelAmount](#ibc.applications.transfer.v2.PortChannelAmount) | repeated | port and channel amounts |
+
+
+
+
+
+ <!-- end messages -->
+
+ <!-- end enums -->
+
+ <!-- end HasExtensions -->
+
+ <!-- end services -->
+
+
+
 <a name="ibc/applications/transfer/v2/packet.proto"></a>
 <p align="right"><a href="#top">Top</a></p>
 
diff --git a/go.mod b/go.mod
index 53495fb3607..10afc1c09b2 100644
--- a/go.mod
+++ b/go.mod
@@ -1,16 +1,21 @@
-go 1.18
+go 1.19
 
 module github.com/cosmos/ibc-go/v6
 
-retract v6.0.0 // depends on SDK version < v0.46.7
+retract (
+	v6.1.0 // contains huckleberry vulnerability
+	[v6.0.0, v6.0.1] // depends on SDK version < v0.46.7
+)
 
 require (
 	cosmossdk.io/math v1.0.0-beta.3
 	github.com/armon/go-metrics v0.4.1
 	github.com/confio/ics23/go v0.9.0
-	github.com/cosmos/cosmos-sdk v0.46.7
+	github.com/cosmos/cosmos-proto v1.0.0-alpha8
+	github.com/cosmos/cosmos-sdk v0.46.12
+	github.com/cosmos/gogoproto v1.4.8
 	github.com/gogo/protobuf v1.3.3
-	github.com/golang/protobuf v1.5.2
+	github.com/golang/protobuf v1.5.3
 	github.com/gorilla/mux v1.8.0
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0
 	github.com/rakyll/statik v0.1.7
@@ -19,20 +24,20 @@ require (
 	github.com/spf13/cobra v1.6.1
 	github.com/spf13/viper v1.14.0
 	github.com/stretchr/testify v1.8.1
-	github.com/tendermint/tendermint v0.34.24
+	github.com/tendermint/tendermint v0.34.27
 	github.com/tendermint/tm-db v0.6.7
-	google.golang.org/genproto v0.0.0-20221024183307-1bc688fe9f3e
-	google.golang.org/grpc v1.50.1
-	google.golang.org/protobuf v1.28.2-0.20220831092852-f930b1dc76e8
+	google.golang.org/genproto v0.0.0-20230110181048-76db0878b65f
+	google.golang.org/grpc v1.54.0
+	google.golang.org/protobuf v1.30.0
 	gopkg.in/yaml.v2 v2.4.0
 )
 
 require (
-	cloud.google.com/go v0.104.0 // indirect
-	cloud.google.com/go/compute v1.12.1 // indirect
-	cloud.google.com/go/compute/metadata v0.2.1 // indirect
-	cloud.google.com/go/iam v0.4.0 // indirect
-	cloud.google.com/go/storage v1.23.0 // indirect
+	cloud.google.com/go v0.107.0 // indirect
+	cloud.google.com/go/compute v1.15.1 // indirect
+	cloud.google.com/go/compute/metadata v0.2.3 // indirect
+	cloud.google.com/go/iam v0.8.0 // indirect
+	cloud.google.com/go/storage v1.27.0 // indirect
 	cosmossdk.io/errors v1.0.0-beta.7 // indirect
 	filippo.io/edwards25519 v1.0.0-rc.1 // indirect
 	github.com/99designs/go-keychain v0.0.0-20191008050251-8e49817e8af4 // indirect
@@ -43,22 +48,23 @@ require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d // indirect
 	github.com/bgentry/speakeasy v0.1.0 // indirect
-	github.com/btcsuite/btcd v0.22.1 // indirect
-	github.com/cenkalti/backoff/v4 v4.1.1 // indirect
+	github.com/btcsuite/btcd/btcec/v2 v2.3.2 // indirect
+	github.com/cenkalti/backoff/v4 v4.1.3 // indirect
 	github.com/cespare/xxhash v1.1.0 // indirect
-	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e // indirect
 	github.com/cockroachdb/apd/v2 v2.0.2 // indirect
 	github.com/coinbase/rosetta-sdk-go v0.7.9 // indirect
+	github.com/cometbft/cometbft-db v0.7.0 // indirect
 	github.com/cosmos/btcutil v1.0.5 // indirect
-	github.com/cosmos/cosmos-proto v1.0.0-alpha8 // indirect
 	github.com/cosmos/go-bip39 v1.0.0 // indirect
 	github.com/cosmos/gorocksdb v1.2.0 // indirect
-	github.com/cosmos/iavl v0.19.4 // indirect
-	github.com/cosmos/ledger-cosmos-go v0.12.1 // indirect
+	github.com/cosmos/iavl v0.19.5 // indirect
+	github.com/cosmos/ledger-cosmos-go v0.12.2 // indirect
 	github.com/creachadair/taskgroup v0.3.2 // indirect
 	github.com/danieljoos/wincred v1.1.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
 	github.com/desertbit/timer v0.0.0-20180107155436-c41aec40b27f // indirect
 	github.com/dgraph-io/badger/v2 v2.2007.4 // indirect
 	github.com/dgraph-io/ristretto v0.1.0 // indirect
@@ -76,13 +82,12 @@ require (
 	github.com/golang/glog v1.0.0 // indirect
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/snappy v0.0.4 // indirect
-	github.com/google/btree v1.0.1 // indirect
+	github.com/google/btree v1.1.2 // indirect
 	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/google/orderedcode v0.0.1 // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.2.0 // indirect
-	github.com/googleapis/gax-go/v2 v2.6.0 // indirect
-	github.com/googleapis/go-type-adapters v1.0.0 // indirect
+	github.com/googleapis/gax-go/v2 v2.7.0 // indirect
 	github.com/gorilla/handlers v1.5.1 // indirect
 	github.com/gorilla/websocket v1.5.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
@@ -120,9 +125,9 @@ require (
 	github.com/petermattis/goid v0.0.0-20180202154549-b0b1615b78e5 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	github.com/prometheus/client_golang v1.12.2 // indirect
-	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.34.0 // indirect
+	github.com/prometheus/client_golang v1.14.0 // indirect
+	github.com/prometheus/client_model v0.3.0 // indirect
+	github.com/prometheus/common v0.37.0 // indirect
 	github.com/prometheus/procfs v0.8.0 // indirect
 	github.com/rcrowley/go-metrics v0.0.0-20201227073835-cf1acfcdf475 // indirect
 	github.com/rs/cors v1.8.2 // indirect
@@ -133,23 +138,23 @@ require (
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/subosito/gotenv v1.4.1 // indirect
 	github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7 // indirect
-	github.com/tendermint/btcd v0.1.1 // indirect
-	github.com/tendermint/crypto v0.0.0-20191022145703-50d29ede1e15 // indirect
+	github.com/tecbot/gorocksdb v0.0.0-20191217155057-f0fad39f321c // indirect
 	github.com/tendermint/go-amino v0.16.0 // indirect
+	github.com/tidwall/btree v1.5.0 // indirect
 	github.com/ulikunitz/xz v0.5.8 // indirect
 	github.com/zondax/hid v0.9.1 // indirect
-	github.com/zondax/ledger-go v0.14.0 // indirect
+	github.com/zondax/ledger-go v0.14.1 // indirect
 	go.etcd.io/bbolt v1.3.6 // indirect
-	go.opencensus.io v0.23.0 // indirect
-	golang.org/x/crypto v0.2.0 // indirect
-	golang.org/x/exp v0.0.0-20220722155223-a9213eeb770e // indirect
-	golang.org/x/net v0.2.0 // indirect
-	golang.org/x/oauth2 v0.0.0-20221014153046-6fdb5e3db783 // indirect
-	golang.org/x/sys v0.2.0 // indirect
-	golang.org/x/term v0.2.0 // indirect
-	golang.org/x/text v0.4.0 // indirect
+	go.opencensus.io v0.24.0 // indirect
+	golang.org/x/crypto v0.5.0 // indirect
+	golang.org/x/exp v0.0.0-20230131160201-f062dba9d201 // indirect
+	golang.org/x/net v0.9.0 // indirect
+	golang.org/x/oauth2 v0.4.0 // indirect
+	golang.org/x/sys v0.7.0 // indirect
+	golang.org/x/term v0.7.0 // indirect
+	golang.org/x/text v0.9.0 // indirect
 	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
-	google.golang.org/api v0.102.0 // indirect
+	google.golang.org/api v0.103.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
@@ -157,4 +162,7 @@ require (
 	sigs.k8s.io/yaml v1.3.0 // indirect
 )
 
-replace github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
+replace (
+	github.com/gogo/protobuf => github.com/regen-network/protobuf v1.3.3-alpha.regen.1
+	github.com/tendermint/tendermint => github.com/cometbft/cometbft v0.34.27
+)
diff --git a/go.sum b/go.sum
index 4b4c3f451c5..ad8604b3479 100644
--- a/go.sum
+++ b/go.sum
@@ -19,22 +19,8 @@ cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHOb
 cloud.google.com/go v0.72.0/go.mod h1:M+5Vjvlc2wnp6tjzE102Dw08nGShTscUx2nZMufOKPI=
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-cloud.google.com/go v0.78.0/go.mod h1:QjdrLG0uq+YwhjoVOLsS1t7TW8fs36kLs4XO5R5ECHg=
-cloud.google.com/go v0.79.0/go.mod h1:3bzgcEeQlzbuEAYu4mrWhKqWjmpprinYgKJLgKHnbb8=
-cloud.google.com/go v0.81.0/go.mod h1:mk/AM35KwGk/Nm2YSeZbxXdrNK3KZOYHmLkOqC2V6E0=
-cloud.google.com/go v0.83.0/go.mod h1:Z7MJUsANfY0pYPdw0lbnivPx4/vhy/e2FEkSkF7vAVY=
-cloud.google.com/go v0.84.0/go.mod h1:RazrYuxIK6Kb7YrzzhPoLmCVzl7Sup4NrbKPg8KHSUM=
-cloud.google.com/go v0.87.0/go.mod h1:TpDYlFy7vuLzZMMZ+B6iRiELaY7z/gJPaqbMx6mlWcY=
-cloud.google.com/go v0.90.0/go.mod h1:kRX0mNRHe0e2rC6oNakvwQqzyDmg57xJ+SZU1eT2aDQ=
-cloud.google.com/go v0.93.3/go.mod h1:8utlLll2EF5XMAV15woO4lSbWQlk8rer9aLOfLh7+YI=
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-cloud.google.com/go v0.102.0/go.mod h1:oWcCzKlqJ5zgHQt9YsaeTY9KzIvjyy0ArmiBUgpQ+nc=
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-cloud.google.com/go v0.104.0 h1:gSmWO7DY1vOm0MVU6DNXM11BWHHsTUmsC5cv1fuW5X8=
-cloud.google.com/go v0.104.0/go.mod h1:OO6xxXdJyvuJPcEPBLN9BJPD+jep5G1+2U5B5gkRYtA=
+cloud.google.com/go v0.107.0 h1:qkj22L7bgkl6vIeZDlOY2po43Mx/TIa2Wsa7VR+PEww=
+cloud.google.com/go v0.107.0/go.mod h1:wpc2eNrD7hXUTy8EKS10jkxpZBjASrORK7goS+3YX2I=
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@@ -42,21 +28,15 @@ cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUM
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@@ -67,9 +47,8 @@ cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohl
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@@ -163,6 +142,8 @@ github.com/btcsuite/btcd v0.22.1 h1:CnwP9LM/M9xuRrGSCGeMVs9iv09uMqwsVX7EeIpgV2c=
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@@ -170,7 +151,6 @@ github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufo
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@@ -184,15 +164,17 @@ github.com/c-bata/go-prompt v0.2.2/go.mod h1:VzqtzE2ksDBcdln8G7mk2RX9QyGjH+OVqOC
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@@ -208,12 +190,6 @@ github.com/cloudflare/cloudflare-go v0.14.0/go.mod h1:EnwdgGMaFOruiPZRFSgn+TsQ3h
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@@ -221,6 +197,10 @@ github.com/codahale/hdrhistogram v0.0.0-20161010025455-3a0bb77429bd/go.mod h1:sE
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@@ -238,17 +218,19 @@ github.com/cosmos/btcutil v1.0.5 h1:t+ZFcX77LpKtDBhjucvnOH8C2l2ioGsBNEQ3jef8xFk=
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@@ -265,6 +247,7 @@ github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSs
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@@ -309,10 +292,6 @@ github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.m
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@@ -408,9 +387,7 @@ github.com/golang/mock v1.4.0/go.mod h1:UOMv5ysSaYNkG+OFQykRIcU/QvvxJf3p21QfJ2Bt
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@@ -427,9 +404,9 @@ github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QD
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@@ -437,8 +414,8 @@ github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEW
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@@ -451,9 +428,6 @@ github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@@ -465,7 +439,6 @@ github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXi
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@@ -478,11 +451,6 @@ github.com/google/pprof v0.0.0-20200708004538-1a94d8640e99/go.mod h1:ZgVRPoUq/hf
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@@ -490,21 +458,12 @@ github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+
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@@ -823,15 +782,16 @@ github.com/prometheus/client_golang v1.4.0/go.mod h1:e9GMxYsXl05ICDXkRhurwBS4Q3O
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 github.com/prometheus/common v0.0.0-20181113130724-41aa239b4cce/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
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 github.com/prometheus/common v0.4.1/go.mod h1:TNfzLD0ON7rHzMJeJkieUDPYmFC7Snx/y86RQel1bk4=
@@ -842,8 +802,8 @@ github.com/prometheus/common v0.10.0/go.mod h1:Tlit/dnDKsSWFlCLTWaA1cyBgKHSMdTB8
 github.com/prometheus/common v0.15.0/go.mod h1:U+gB1OBLb1lF3O42bTCL+FK18tX9Oar16Clt/msog/s=
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-github.com/prometheus/common v0.34.0 h1:RBmGO9d/FVjqHT0yUGQwBJhkwKV+wPCn7KGpvfab0uE=
-github.com/prometheus/common v0.34.0/go.mod h1:gB3sOl7P0TvJabZpLY5uQMpUqRCPPCyRLCZYc7JZTNE=
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 github.com/prometheus/procfs v0.0.0-20181005140218-185b4288413d/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
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 github.com/prometheus/procfs v0.0.2/go.mod h1:TjEm7ze935MbeOT/UhFTIMYKhuLP4wbCsTZCD3I8kEA=
@@ -946,16 +906,14 @@ github.com/subosito/gotenv v1.4.1 h1:jyEFiXpy21Wm81FBN71l9VoMMV8H8jG+qIK3GCpY6Qs
 github.com/subosito/gotenv v1.4.1/go.mod h1:ayKnFf/c6rvx/2iiLrJUk1e6plDbT3edrFNGqEflhK0=
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-github.com/tendermint/btcd v0.1.1/go.mod h1:DC6/m53jtQzr/NFmMNEu0rxf18/ktVoVtMrnDD5pN+U=
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@@ -997,8 +955,8 @@ github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9dec
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
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-github.com/zondax/ledger-go v0.14.0 h1:dlMC7aO8Wss1CxBq2I96kZ69Nh1ligzbs8UWOtq/AsA=
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@@ -1011,9 +969,8 @@ go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.3/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.4/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.opencensus.io v0.22.5/go.mod h1:5pWMHQbX5EPX2/62yrJeAkowc+lfs/XD7Uxpq3pI6kk=
-go.opencensus.io v0.23.0 h1:gqCw0LfLxScz8irSi8exQc7fyQ0fKQU/qnC/X8+V/1M=
-go.opencensus.io v0.23.0/go.mod h1:XItmlyltB5F7CS4xOC1DcqMoFqwtC6OG2xF7mCv7P7E=
-go.opentelemetry.io/proto/otlp v0.7.0/go.mod h1:PqfVotwruBrMGOCsRd/89rSnXhoiJIqeYNgFYFoEGnI=
+go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
+go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
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 go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
@@ -1045,8 +1002,8 @@ golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2/go.mod h1:T9bdIzuCu7OtxOm
 golang.org/x/crypto v0.0.0-20210421170649-83a5a9bb288b/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
 golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
 golang.org/x/crypto v0.0.0-20211108221036-ceb1ce70b4fa/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
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-golang.org/x/crypto v0.2.0/go.mod h1:hebNnKkNXi2UzZN1eVRvBB7co0a+JxK6XbPiWVs/3J4=
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 golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
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@@ -1061,8 +1018,8 @@ golang.org/x/exp v0.0.0-20200119233911-0405dc783f0a/go.mod h1:2RIsYlXP63K8oxa1u0
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@@ -1077,7 +1034,6 @@ golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRu
 golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
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@@ -1089,7 +1045,7 @@ golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
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-golang.org/x/mod v0.6.0 h1:b9gGHsz9/HhJ3HF5DHQytPpuwocVTChQJK3AvoLRD5I=
+golang.org/x/mod v0.8.0 h1:LUYupSeNrTNCGzR/hVBk2NHZO4hXcVaW1k4Qx7rjPx8=
 golang.org/x/net v0.0.0-20180719180050-a680a1efc54d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
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@@ -1137,9 +1093,7 @@ golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v
 golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
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-golang.org/x/net v0.0.0-20210316092652-d523dce5a7f4/go.mod h1:RBQZq4jEuRlivfhVLdyRGr576XBO4/greRjx4P4O3yc=
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-golang.org/x/net v0.0.0-20210503060351-7fd8e65b6420/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
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@@ -1147,13 +1101,8 @@ golang.org/x/net v0.0.0-20210805182204-aaa1db679c0d/go.mod h1:9nx3DQGgdP8bBQD5qx
 golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
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-golang.org/x/net v0.0.0-20220325170049-de3da57026de/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
-golang.org/x/net v0.0.0-20220412020605-290c469a71a5/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
-golang.org/x/net v0.0.0-20220425223048-2871e0cb64e4/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
-golang.org/x/net v0.0.0-20220607020251-c690dde0001d/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.0.0-20220617184016-355a448f1bc9/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.2.0 h1:sZfSu1wtKLGlWI4ZZayP0ck9Y73K1ynO6gqzTdBVdPU=
-golang.org/x/net v0.2.0/go.mod h1:KqCZLdyyvdV855qA2rE3GC2aiw5xGR5TEjj8smXukLY=
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@@ -1163,19 +1112,10 @@ golang.org/x/oauth2 v0.0.0-20200902213428-5d25da1a8d43/go.mod h1:KelEdhl1UZF7XfJ
 golang.org/x/oauth2 v0.0.0-20201109201403-9fd604954f58/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
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 golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c/go.mod h1:KelEdhl1UZF7XfJ4dDtk6s++YSgaE7mD/BuKKDLBl4A=
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@@ -1187,7 +1127,6 @@ golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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@@ -1249,56 +1188,34 @@ golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7w
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-golang.org/x/term v0.2.0/go.mod h1:TVmDHMZPmdnySmBfhjOoOdhjzdE1h4u1VwSiw2l1Nuc=
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+golang.org/x/term v0.7.0/go.mod h1:P32HKFT3hSsZrRxla30E9HqToFYAQPCMs/zFMBUFqPY=
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@@ -1308,8 +1225,8 @@ golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
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-golang.org/x/text v0.4.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
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+golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
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@@ -1374,19 +1291,12 @@ golang.org/x/tools v0.0.0-20210105154028-b0ab187a4818/go.mod h1:emZCQorbCU4vsT4f
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-golang.org/x/tools v0.2.0 h1:G6AHpWxTMGY1KyEYoAQ5WTtIekUUvDNjan3ugu60JvE=
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 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20220411194840-2f41105eb62f/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20220517211312-f3a8303e98df/go.mod h1:K8+ghG5WaK9qNqU5K3HdILfMLy1f3aNYFI/wnl100a8=
-golang.org/x/xerrors v0.0.0-20220609144429-65e65417b02f/go.mod h1:K8+ghG5WaK9qNqU5K3HdILfMLy1f3aNYFI/wnl100a8=
 golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 h1:H2TDz8ibqkAF6YGhCdN3jS9O0/s90v0rJh3X/OLHEUk=
 golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2/go.mod h1:K8+ghG5WaK9qNqU5K3HdILfMLy1f3aNYFI/wnl100a8=
 gonum.org/v1/gonum v0.0.0-20180816165407-929014505bf4/go.mod h1:Y+Yx5eoAFn32cQvJDxZx5Dpnq+c3wtXuadVZAcxbbBo=
@@ -1415,29 +1325,8 @@ google.golang.org/api v0.30.0/go.mod h1:QGmEvQ87FHZNiUVJkT14jQNYJ4ZJjdRF23ZXz513
 google.golang.org/api v0.35.0/go.mod h1:/XrVsuzM0rZmrsbjJutiuftIzeuTQcEeaYcSk/mQ1dg=
 google.golang.org/api v0.36.0/go.mod h1:+z5ficQTmoYpPn8LCUNVpK5I7hwkpjbcgqA7I34qYtE=
 google.golang.org/api v0.40.0/go.mod h1:fYKFpnQN0DsDSKRVRcQSDQNtqWPfM9i+zNPxepjRCQ8=
-google.golang.org/api v0.41.0/go.mod h1:RkxM5lITDfTzmyKFPt+wGrCJbVfniCr2ool8kTBzRTU=
-google.golang.org/api v0.43.0/go.mod h1:nQsDGjRXMo4lvh5hP0TKqF244gqhGcr/YSIykhUk/94=
-google.golang.org/api v0.47.0/go.mod h1:Wbvgpq1HddcWVtzsVLyfLp8lDg6AA241LmgIL59tHXo=
-google.golang.org/api v0.48.0/go.mod h1:71Pr1vy+TAZRPkPs/xlCf5SsU8WjuAWv1Pfjbtukyy4=
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-google.golang.org/api v0.85.0/go.mod h1:AqZf8Ep9uZ2pyTvgL+x0D3Zt0eoT9b5E8fmzfu6FO2g=
-google.golang.org/api v0.102.0 h1:JxJl2qQ85fRMPNvlZY/enexbxpCjLwGhZUtgfGeQ51I=
-google.golang.org/api v0.102.0/go.mod h1:3VFl6/fzoA+qNuS1N1/VfXY4LjoXN/wzeIp7TweWwGo=
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+google.golang.org/api v0.103.0/go.mod h1:hGtW6nK1AC+d9si/UBhw8Xli+QMOf6xyNAyJw4qU9w0=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
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 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
@@ -1490,53 +1379,9 @@ google.golang.org/genproto v0.0.0-20201210142538-e3217bee35cc/go.mod h1:FWY/as6D
 google.golang.org/genproto v0.0.0-20201214200347-8c77b98c765d/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210108203827-ffc7fda8c3d7/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210126160654-44e461bb6506/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20210222152913-aa3ee6e6a81c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
 google.golang.org/genproto v0.0.0-20210226172003-ab064af71705/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20210303154014-9728d6b83eeb/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
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-google.golang.org/genproto v0.0.0-20221024183307-1bc688fe9f3e h1:S9GbmC1iCgvbLyAokVCwiO6tVIrU9Y7c5oMx1V/ki/Y=
-google.golang.org/genproto v0.0.0-20221024183307-1bc688fe9f3e/go.mod h1:9qHF0xnpdSfF6knlcsnpzUu5y+rpwgbvsyGAZPBMg4s=
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 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.19.1/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
@@ -1561,23 +1406,8 @@ google.golang.org/grpc v1.33.1/go.mod h1:fr5YgcSWrqhRRxogOsw7RzIpsmvOZ6IcH4kBYTp
 google.golang.org/grpc v1.33.2/go.mod h1:JMHMWHQWaTccqQQlmk3MJZS+GWXOdAesneDmEnv2fbc=
 google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
 google.golang.org/grpc v1.35.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.36.0/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.36.1/go.mod h1:qjiiYl8FncCW8feJPdyg3v6XW24KsRHe+dy9BAGRRjU=
-google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
-google.golang.org/grpc v1.37.1/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
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-google.golang.org/grpc v1.39.1/go.mod h1:PImNr+rS9TWYb2O4/emRugxiyHZ5JyHW5F+RPnDzfrE=
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-google.golang.org/grpc v1.40.1/go.mod h1:ogyxbiOoUXAkP+4+xa6PZSE9DZgIHtSpzjDTB9KAK34=
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-google.golang.org/grpc v1.50.1/go.mod h1:ZgQEeidpAuNRZ8iRrlBKXZQP1ghovWIVhdJRyCDK+GI=
-google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.1.0/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
+google.golang.org/grpc v1.54.0 h1:EhTqbhiYeixwWQtAEZAxmV9MGqcjEU2mFx52xCzNyag=
+google.golang.org/grpc v1.54.0/go.mod h1:PUSEXI6iWghWaB6lXM4knEgpJNu2qUcKfDtNci3EC2g=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -1590,10 +1420,8 @@ google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGj
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
-google.golang.org/protobuf v1.28.2-0.20220831092852-f930b1dc76e8 h1:KR8+MyP7/qOlV+8Af01LtjL04bu7on42eVsxT4EyBQk=
-google.golang.org/protobuf v1.28.2-0.20220831092852-f930b1dc76e8/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
+google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
diff --git a/modules/apps/29-fee/keeper/keeper.go b/modules/apps/29-fee/keeper/keeper.go
index e506ef8118f..5d0ef4b3811 100644
--- a/modules/apps/29-fee/keeper/keeper.go
+++ b/modules/apps/29-fee/keeper/keeper.go
@@ -291,7 +291,7 @@ func (k Keeper) GetFeesInEscrow(ctx sdk.Context, packetID channeltypes.PacketId)
 	store := ctx.KVStore(k.storeKey)
 	key := types.KeyFeesInEscrow(packetID)
 	bz := store.Get(key)
-	if bz == nil {
+	if len(bz) == 0 {
 		return types.PacketFees{}, false
 	}
 
diff --git a/modules/apps/transfer/keeper/keeper.go b/modules/apps/transfer/keeper/keeper.go
index 84955679167..1f2e8be8541 100644
--- a/modules/apps/transfer/keeper/keeper.go
+++ b/modules/apps/transfer/keeper/keeper.go
@@ -93,7 +93,7 @@ func (k Keeper) SetPort(ctx sdk.Context, portID string) {
 func (k Keeper) GetDenomTrace(ctx sdk.Context, denomTraceHash tmbytes.HexBytes) (types.DenomTrace, bool) {
 	store := prefix.NewStore(ctx.KVStore(k.storeKey), types.DenomTraceKey)
 	bz := store.Get(denomTraceHash)
-	if bz == nil {
+	if len(bz) == 0 {
 		return types.DenomTrace{}, false
 	}
 
diff --git a/modules/apps/transfer/keeper/mbt_relay_test.go b/modules/apps/transfer/keeper/mbt_relay_test.go
index ad53c681a6f..f7c03788a93 100644
--- a/modules/apps/transfer/keeper/mbt_relay_test.go
+++ b/modules/apps/transfer/keeper/mbt_relay_test.go
@@ -7,7 +7,7 @@ package keeper_test
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"strconv"
 	"strings"
 
@@ -277,7 +277,7 @@ func (suite *KeeperTestSuite) CheckBankBalances(chain *ibctesting.TestChain, ban
 
 func (suite *KeeperTestSuite) TestModelBasedRelay() {
 	dirname := "model_based_tests/"
-	files, err := ioutil.ReadDir(dirname)
+	files, err := os.ReadDir(dirname)
 	if err != nil {
 		panic(fmt.Errorf("Failed to read model-based test files: %w", err))
 	}
@@ -286,7 +286,7 @@ func (suite *KeeperTestSuite) TestModelBasedRelay() {
 		if !strings.HasSuffix(file_info.Name(), ".json") {
 			continue
 		}
-		jsonBlob, err := ioutil.ReadFile(dirname + file_info.Name())
+		jsonBlob, err := os.ReadFile(dirname + file_info.Name())
 		if err != nil {
 			panic(fmt.Errorf("Failed to read JSON test fixture: %w", err))
 		}
diff --git a/modules/apps/transfer/types/authz.pb.go b/modules/apps/transfer/types/authz.pb.go
new file mode 100644
index 00000000000..d32330fab66
--- /dev/null
+++ b/modules/apps/transfer/types/authz.pb.go
@@ -0,0 +1,694 @@
+// Code generated by protoc-gen-gogo. DO NOT EDIT.
+// source: ibc/applications/transfer/v1/authz.proto
+
+package types
+
+import (
+	fmt "fmt"
+	github_com_cosmos_cosmos_sdk_types "github.com/cosmos/cosmos-sdk/types"
+	types "github.com/cosmos/cosmos-sdk/types"
+	_ "github.com/gogo/protobuf/gogoproto"
+	proto "github.com/gogo/protobuf/proto"
+	_ "github.com/regen-network/cosmos-proto"
+	io "io"
+	math "math"
+	math_bits "math/bits"
+)
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+// A compilation error at this line likely means your copy of the
+// proto package needs to be updated.
+const _ = proto.GoGoProtoPackageIsVersion3 // please upgrade the proto package
+
+// Allocation defines the spend limit for a particular port and channel
+type Allocation struct {
+	// the port on which the packet will be sent
+	SourcePort string `protobuf:"bytes,1,opt,name=source_port,json=sourcePort,proto3" json:"source_port,omitempty" yaml:"source_port"`
+	// the channel by which the packet will be sent
+	SourceChannel string `protobuf:"bytes,2,opt,name=source_channel,json=sourceChannel,proto3" json:"source_channel,omitempty" yaml:"source_channel"`
+	// spend limitation on the channel
+	SpendLimit github_com_cosmos_cosmos_sdk_types.Coins `protobuf:"bytes,3,rep,name=spend_limit,json=spendLimit,proto3,castrepeated=github.com/cosmos/cosmos-sdk/types.Coins" json:"spend_limit"`
+	// allow list of receivers, an empty allow list permits any receiver address
+	AllowList []string `protobuf:"bytes,4,rep,name=allow_list,json=allowList,proto3" json:"allow_list,omitempty"`
+}
+
+func (m *Allocation) Reset()         { *m = Allocation{} }
+func (m *Allocation) String() string { return proto.CompactTextString(m) }
+func (*Allocation) ProtoMessage()    {}
+func (*Allocation) Descriptor() ([]byte, []int) {
+	return fileDescriptor_b1a28b55d17325aa, []int{0}
+}
+func (m *Allocation) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *Allocation) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_Allocation.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *Allocation) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Allocation.Merge(m, src)
+}
+func (m *Allocation) XXX_Size() int {
+	return m.Size()
+}
+func (m *Allocation) XXX_DiscardUnknown() {
+	xxx_messageInfo_Allocation.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_Allocation proto.InternalMessageInfo
+
+func (m *Allocation) GetSourcePort() string {
+	if m != nil {
+		return m.SourcePort
+	}
+	return ""
+}
+
+func (m *Allocation) GetSourceChannel() string {
+	if m != nil {
+		return m.SourceChannel
+	}
+	return ""
+}
+
+func (m *Allocation) GetSpendLimit() github_com_cosmos_cosmos_sdk_types.Coins {
+	if m != nil {
+		return m.SpendLimit
+	}
+	return nil
+}
+
+func (m *Allocation) GetAllowList() []string {
+	if m != nil {
+		return m.AllowList
+	}
+	return nil
+}
+
+// TransferAuthorization allows the grantee to spend up to spend_limit coins from
+// the granter's account for ibc transfer on a specific channel
+type TransferAuthorization struct {
+	// port and channel amounts
+	Allocations []Allocation `protobuf:"bytes,1,rep,name=allocations,proto3" json:"allocations"`
+}
+
+func (m *TransferAuthorization) Reset()         { *m = TransferAuthorization{} }
+func (m *TransferAuthorization) String() string { return proto.CompactTextString(m) }
+func (*TransferAuthorization) ProtoMessage()    {}
+func (*TransferAuthorization) Descriptor() ([]byte, []int) {
+	return fileDescriptor_b1a28b55d17325aa, []int{1}
+}
+func (m *TransferAuthorization) XXX_Unmarshal(b []byte) error {
+	return m.Unmarshal(b)
+}
+func (m *TransferAuthorization) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	if deterministic {
+		return xxx_messageInfo_TransferAuthorization.Marshal(b, m, deterministic)
+	} else {
+		b = b[:cap(b)]
+		n, err := m.MarshalToSizedBuffer(b)
+		if err != nil {
+			return nil, err
+		}
+		return b[:n], nil
+	}
+}
+func (m *TransferAuthorization) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_TransferAuthorization.Merge(m, src)
+}
+func (m *TransferAuthorization) XXX_Size() int {
+	return m.Size()
+}
+func (m *TransferAuthorization) XXX_DiscardUnknown() {
+	xxx_messageInfo_TransferAuthorization.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_TransferAuthorization proto.InternalMessageInfo
+
+func (m *TransferAuthorization) GetAllocations() []Allocation {
+	if m != nil {
+		return m.Allocations
+	}
+	return nil
+}
+
+func init() {
+	proto.RegisterType((*Allocation)(nil), "ibc.applications.transfer.v1.Allocation")
+	proto.RegisterType((*TransferAuthorization)(nil), "ibc.applications.transfer.v1.TransferAuthorization")
+}
+
+func init() {
+	proto.RegisterFile("ibc/applications/transfer/v1/authz.proto", fileDescriptor_b1a28b55d17325aa)
+}
+
+var fileDescriptor_b1a28b55d17325aa = []byte{
+	// 429 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x52, 0xc1, 0x6e, 0xd3, 0x30,
+	0x18, 0x6e, 0xd6, 0x09, 0xa9, 0xae, 0x86, 0x44, 0xc4, 0x50, 0x3a, 0x41, 0x5a, 0xe5, 0x94, 0x4b,
+	0x6d, 0x0a, 0x12, 0x93, 0x76, 0x62, 0xdd, 0x75, 0x87, 0x11, 0x71, 0xe2, 0x52, 0x39, 0xae, 0x49,
+	0x2c, 0x9c, 0xfc, 0x51, 0xec, 0x04, 0x6d, 0xe2, 0x21, 0x38, 0xf0, 0x14, 0x9c, 0x79, 0x88, 0x1d,
+	0x27, 0x4e, 0x9c, 0x0a, 0x6a, 0xdf, 0x60, 0x4f, 0x80, 0x62, 0x1b, 0xc8, 0x84, 0xb4, 0x53, 0xf2,
+	0xff, 0xdf, 0xf7, 0xfd, 0xfe, 0xfc, 0xf9, 0x47, 0xb1, 0x48, 0x19, 0xa1, 0x55, 0x25, 0x05, 0xa3,
+	0x5a, 0x40, 0xa9, 0x88, 0xae, 0x69, 0xa9, 0xde, 0xf3, 0x9a, 0xb4, 0x0b, 0x42, 0x1b, 0x9d, 0x5f,
+	0xe1, 0xaa, 0x06, 0x0d, 0xfe, 0x53, 0x91, 0x32, 0xdc, 0x67, 0xe2, 0x3f, 0x4c, 0xdc, 0x2e, 0x8e,
+	0x26, 0x0c, 0x54, 0x01, 0x6a, 0x65, 0xb8, 0xc4, 0x16, 0x56, 0x78, 0xf4, 0x38, 0x83, 0x0c, 0x6c,
+	0xbf, 0xfb, 0x73, 0xdd, 0xd0, 0x72, 0x48, 0x4a, 0x15, 0x27, 0xed, 0x22, 0xe5, 0x9a, 0x2e, 0x08,
+	0x03, 0x51, 0x5a, 0x3c, 0xfa, 0xb2, 0x87, 0xd0, 0xa9, 0x94, 0x60, 0x0f, 0xf3, 0x8f, 0xd1, 0x58,
+	0x41, 0x53, 0x33, 0xbe, 0xaa, 0xa0, 0xd6, 0x81, 0x37, 0xf3, 0xe2, 0xd1, 0xf2, 0xc9, 0xed, 0x66,
+	0xea, 0x5f, 0xd2, 0x42, 0x9e, 0x44, 0x3d, 0x30, 0x4a, 0x90, 0xad, 0x2e, 0xa0, 0xd6, 0xfe, 0x6b,
+	0xf4, 0xd0, 0x61, 0x2c, 0xa7, 0x65, 0xc9, 0x65, 0xb0, 0x67, 0xb4, 0x93, 0xdb, 0xcd, 0xf4, 0xf0,
+	0x8e, 0xd6, 0xe1, 0x51, 0x72, 0x60, 0x1b, 0x67, 0xb6, 0xf6, 0x25, 0x1a, 0xab, 0x8a, 0x97, 0xeb,
+	0x95, 0x14, 0x85, 0xd0, 0xc1, 0x70, 0x36, 0x8c, 0xc7, 0x2f, 0x26, 0xd8, 0xdd, 0xb1, 0xf3, 0x8f,
+	0x9d, 0x7f, 0x7c, 0x06, 0xa2, 0x5c, 0x3e, 0xbf, 0xde, 0x4c, 0x07, 0x5f, 0x7f, 0x4e, 0xe3, 0x4c,
+	0xe8, 0xbc, 0x49, 0x31, 0x83, 0xc2, 0x05, 0xe2, 0x3e, 0x73, 0xb5, 0xfe, 0x40, 0xf4, 0x65, 0xc5,
+	0x95, 0x11, 0xa8, 0x04, 0x99, 0xf9, 0xe7, 0xdd, 0x78, 0xff, 0x19, 0x42, 0x54, 0x4a, 0xf8, 0xb8,
+	0x92, 0x42, 0xe9, 0x60, 0x7f, 0x36, 0x8c, 0x47, 0xc9, 0xc8, 0x74, 0xce, 0x85, 0xd2, 0xd1, 0x27,
+	0x74, 0xf8, 0xd6, 0xc5, 0x7e, 0xda, 0xe8, 0x1c, 0x6a, 0x71, 0x65, 0x03, 0xba, 0x40, 0x63, 0xfa,
+	0x37, 0x2e, 0x15, 0x78, 0xc6, 0x65, 0x8c, 0xef, 0x7b, 0x34, 0xfc, 0x2f, 0xdf, 0xe5, 0x7e, 0x67,
+	0x3a, 0xe9, 0x8f, 0x38, 0x79, 0xf4, 0xfd, 0xdb, 0xfc, 0xe0, 0xce, 0x21, 0xcb, 0x37, 0xd7, 0xdb,
+	0xd0, 0xbb, 0xd9, 0x86, 0xde, 0xaf, 0x6d, 0xe8, 0x7d, 0xde, 0x85, 0x83, 0x9b, 0x5d, 0x38, 0xf8,
+	0xb1, 0x0b, 0x07, 0xef, 0x8e, 0xff, 0xbf, 0xac, 0x48, 0xd9, 0x3c, 0x03, 0xd2, 0xbe, 0x22, 0x05,
+	0xac, 0x1b, 0xc9, 0x55, 0xb7, 0x67, 0xbd, 0xfd, 0x32, 0x09, 0xa4, 0x0f, 0xcc, 0x73, 0xbf, 0xfc,
+	0x1d, 0x00, 0x00, 0xff, 0xff, 0x79, 0xf8, 0x02, 0x85, 0x89, 0x02, 0x00, 0x00,
+}
+
+func (m *Allocation) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *Allocation) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *Allocation) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.AllowList) > 0 {
+		for iNdEx := len(m.AllowList) - 1; iNdEx >= 0; iNdEx-- {
+			i -= len(m.AllowList[iNdEx])
+			copy(dAtA[i:], m.AllowList[iNdEx])
+			i = encodeVarintAuthz(dAtA, i, uint64(len(m.AllowList[iNdEx])))
+			i--
+			dAtA[i] = 0x22
+		}
+	}
+	if len(m.SpendLimit) > 0 {
+		for iNdEx := len(m.SpendLimit) - 1; iNdEx >= 0; iNdEx-- {
+			{
+				size, err := m.SpendLimit[iNdEx].MarshalToSizedBuffer(dAtA[:i])
+				if err != nil {
+					return 0, err
+				}
+				i -= size
+				i = encodeVarintAuthz(dAtA, i, uint64(size))
+			}
+			i--
+			dAtA[i] = 0x1a
+		}
+	}
+	if len(m.SourceChannel) > 0 {
+		i -= len(m.SourceChannel)
+		copy(dAtA[i:], m.SourceChannel)
+		i = encodeVarintAuthz(dAtA, i, uint64(len(m.SourceChannel)))
+		i--
+		dAtA[i] = 0x12
+	}
+	if len(m.SourcePort) > 0 {
+		i -= len(m.SourcePort)
+		copy(dAtA[i:], m.SourcePort)
+		i = encodeVarintAuthz(dAtA, i, uint64(len(m.SourcePort)))
+		i--
+		dAtA[i] = 0xa
+	}
+	return len(dAtA) - i, nil
+}
+
+func (m *TransferAuthorization) Marshal() (dAtA []byte, err error) {
+	size := m.Size()
+	dAtA = make([]byte, size)
+	n, err := m.MarshalToSizedBuffer(dAtA[:size])
+	if err != nil {
+		return nil, err
+	}
+	return dAtA[:n], nil
+}
+
+func (m *TransferAuthorization) MarshalTo(dAtA []byte) (int, error) {
+	size := m.Size()
+	return m.MarshalToSizedBuffer(dAtA[:size])
+}
+
+func (m *TransferAuthorization) MarshalToSizedBuffer(dAtA []byte) (int, error) {
+	i := len(dAtA)
+	_ = i
+	var l int
+	_ = l
+	if len(m.Allocations) > 0 {
+		for iNdEx := len(m.Allocations) - 1; iNdEx >= 0; iNdEx-- {
+			{
+				size, err := m.Allocations[iNdEx].MarshalToSizedBuffer(dAtA[:i])
+				if err != nil {
+					return 0, err
+				}
+				i -= size
+				i = encodeVarintAuthz(dAtA, i, uint64(size))
+			}
+			i--
+			dAtA[i] = 0xa
+		}
+	}
+	return len(dAtA) - i, nil
+}
+
+func encodeVarintAuthz(dAtA []byte, offset int, v uint64) int {
+	offset -= sovAuthz(v)
+	base := offset
+	for v >= 1<<7 {
+		dAtA[offset] = uint8(v&0x7f | 0x80)
+		v >>= 7
+		offset++
+	}
+	dAtA[offset] = uint8(v)
+	return base
+}
+func (m *Allocation) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	l = len(m.SourcePort)
+	if l > 0 {
+		n += 1 + l + sovAuthz(uint64(l))
+	}
+	l = len(m.SourceChannel)
+	if l > 0 {
+		n += 1 + l + sovAuthz(uint64(l))
+	}
+	if len(m.SpendLimit) > 0 {
+		for _, e := range m.SpendLimit {
+			l = e.Size()
+			n += 1 + l + sovAuthz(uint64(l))
+		}
+	}
+	if len(m.AllowList) > 0 {
+		for _, s := range m.AllowList {
+			l = len(s)
+			n += 1 + l + sovAuthz(uint64(l))
+		}
+	}
+	return n
+}
+
+func (m *TransferAuthorization) Size() (n int) {
+	if m == nil {
+		return 0
+	}
+	var l int
+	_ = l
+	if len(m.Allocations) > 0 {
+		for _, e := range m.Allocations {
+			l = e.Size()
+			n += 1 + l + sovAuthz(uint64(l))
+		}
+	}
+	return n
+}
+
+func sovAuthz(x uint64) (n int) {
+	return (math_bits.Len64(x|1) + 6) / 7
+}
+func sozAuthz(x uint64) (n int) {
+	return sovAuthz(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+func (m *Allocation) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowAuthz
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: Allocation: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: Allocation: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field SourcePort", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAuthz
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthAuthz
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthAuthz
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.SourcePort = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field SourceChannel", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAuthz
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthAuthz
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthAuthz
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.SourceChannel = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 3:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field SpendLimit", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAuthz
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthAuthz
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthAuthz
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.SpendLimit = append(m.SpendLimit, types.Coin{})
+			if err := m.SpendLimit[len(m.SpendLimit)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 4:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field AllowList", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAuthz
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthAuthz
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthAuthz
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.AllowList = append(m.AllowList, string(dAtA[iNdEx:postIndex]))
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipAuthz(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthAuthz
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func (m *TransferAuthorization) Unmarshal(dAtA []byte) error {
+	l := len(dAtA)
+	iNdEx := 0
+	for iNdEx < l {
+		preIndex := iNdEx
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return ErrIntOverflowAuthz
+			}
+			if iNdEx >= l {
+				return io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= uint64(b&0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		fieldNum := int32(wire >> 3)
+		wireType := int(wire & 0x7)
+		if wireType == 4 {
+			return fmt.Errorf("proto: TransferAuthorization: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: TransferAuthorization: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Allocations", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowAuthz
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= int(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthAuthz
+			}
+			postIndex := iNdEx + msglen
+			if postIndex < 0 {
+				return ErrInvalidLengthAuthz
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Allocations = append(m.Allocations, Allocation{})
+			if err := m.Allocations[len(m.Allocations)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		default:
+			iNdEx = preIndex
+			skippy, err := skipAuthz(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if (skippy < 0) || (iNdEx+skippy) < 0 {
+				return ErrInvalidLengthAuthz
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
+func skipAuthz(dAtA []byte) (n int, err error) {
+	l := len(dAtA)
+	iNdEx := 0
+	depth := 0
+	for iNdEx < l {
+		var wire uint64
+		for shift := uint(0); ; shift += 7 {
+			if shift >= 64 {
+				return 0, ErrIntOverflowAuthz
+			}
+			if iNdEx >= l {
+				return 0, io.ErrUnexpectedEOF
+			}
+			b := dAtA[iNdEx]
+			iNdEx++
+			wire |= (uint64(b) & 0x7F) << shift
+			if b < 0x80 {
+				break
+			}
+		}
+		wireType := int(wire & 0x7)
+		switch wireType {
+		case 0:
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowAuthz
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				iNdEx++
+				if dAtA[iNdEx-1] < 0x80 {
+					break
+				}
+			}
+		case 1:
+			iNdEx += 8
+		case 2:
+			var length int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return 0, ErrIntOverflowAuthz
+				}
+				if iNdEx >= l {
+					return 0, io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				length |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if length < 0 {
+				return 0, ErrInvalidLengthAuthz
+			}
+			iNdEx += length
+		case 3:
+			depth++
+		case 4:
+			if depth == 0 {
+				return 0, ErrUnexpectedEndOfGroupAuthz
+			}
+			depth--
+		case 5:
+			iNdEx += 4
+		default:
+			return 0, fmt.Errorf("proto: illegal wireType %d", wireType)
+		}
+		if iNdEx < 0 {
+			return 0, ErrInvalidLengthAuthz
+		}
+		if depth == 0 {
+			return iNdEx, nil
+		}
+	}
+	return 0, io.ErrUnexpectedEOF
+}
+
+var (
+	ErrInvalidLengthAuthz        = fmt.Errorf("proto: negative length found during unmarshaling")
+	ErrIntOverflowAuthz          = fmt.Errorf("proto: integer overflow")
+	ErrUnexpectedEndOfGroupAuthz = fmt.Errorf("proto: unexpected end of group")
+)
diff --git a/modules/apps/transfer/types/codec.go b/modules/apps/transfer/types/codec.go
index 3067cf8dc9d..aef9c1635b9 100644
--- a/modules/apps/transfer/types/codec.go
+++ b/modules/apps/transfer/types/codec.go
@@ -7,6 +7,7 @@ import (
 	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	"github.com/cosmos/cosmos-sdk/types/msgservice"
+	"github.com/cosmos/cosmos-sdk/x/authz"
 	"github.com/gogo/protobuf/jsonpb"
 	"github.com/gogo/protobuf/proto"
 )
@@ -22,6 +23,11 @@ func RegisterLegacyAminoCodec(cdc *codec.LegacyAmino) {
 func RegisterInterfaces(registry codectypes.InterfaceRegistry) {
 	registry.RegisterImplementations((*sdk.Msg)(nil), &MsgTransfer{})
 
+	registry.RegisterImplementations(
+		(*authz.Authorization)(nil),
+		&TransferAuthorization{},
+	)
+
 	msgservice.RegisterMsgServiceDesc(registry, &_Msg_serviceDesc)
 }
 
diff --git a/modules/apps/transfer/types/errors.go b/modules/apps/transfer/types/errors.go
index 0f0cb7c42a4..d4f85cf4fa7 100644
--- a/modules/apps/transfer/types/errors.go
+++ b/modules/apps/transfer/types/errors.go
@@ -14,4 +14,5 @@ var (
 	ErrSendDisabled            = sdkerrors.Register(ModuleName, 7, "fungible token transfers from this chain are disabled")
 	ErrReceiveDisabled         = sdkerrors.Register(ModuleName, 8, "fungible token transfers to this chain are disabled")
 	ErrMaxTransferChannels     = sdkerrors.Register(ModuleName, 9, "max transfer channels")
+	ErrInvalidAuthorization    = sdkerrors.Register(ModuleName, 10, "invalid transfer authorization")
 )
diff --git a/modules/apps/transfer/types/transfer_authorization.go b/modules/apps/transfer/types/transfer_authorization.go
new file mode 100644
index 00000000000..72d73e66d56
--- /dev/null
+++ b/modules/apps/transfer/types/transfer_authorization.go
@@ -0,0 +1,151 @@
+package types
+
+import (
+	"math/big"
+
+	sdkmath "cosmossdk.io/math"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
+	"github.com/cosmos/cosmos-sdk/x/authz"
+
+	channeltypes "github.com/cosmos/ibc-go/v6/modules/core/04-channel/types"
+	host "github.com/cosmos/ibc-go/v6/modules/core/24-host"
+)
+
+var _ authz.Authorization = &TransferAuthorization{}
+
+// maxUint256 is the maximum value for a 256 bit unsigned integer.
+var maxUint256 = new(big.Int).Sub(new(big.Int).Lsh(big.NewInt(1), 256), big.NewInt(1))
+
+// NewTransferAuthorization creates a new TransferAuthorization object.
+func NewTransferAuthorization(allocations ...Allocation) *TransferAuthorization {
+	return &TransferAuthorization{
+		Allocations: allocations,
+	}
+}
+
+// MsgTypeURL implements Authorization.MsgTypeURL.
+func (a TransferAuthorization) MsgTypeURL() string {
+	return sdk.MsgTypeURL(&MsgTransfer{})
+}
+
+// Accept implements Authorization.Accept.
+func (a TransferAuthorization) Accept(ctx sdk.Context, msg sdk.Msg) (authz.AcceptResponse, error) {
+	msgTransfer, ok := msg.(*MsgTransfer)
+	if !ok {
+		return authz.AcceptResponse{}, sdkerrors.Wrap(sdkerrors.ErrInvalidType, "type mismatch")
+	}
+
+	for index, allocation := range a.Allocations {
+		if !(allocation.SourceChannel == msgTransfer.SourceChannel && allocation.SourcePort == msgTransfer.SourcePort) {
+			continue
+		}
+
+		if !isAllowedAddress(ctx, msgTransfer.Receiver, allocation.AllowList) {
+			return authz.AcceptResponse{}, sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, "not allowed receiver address for transfer")
+		}
+
+		// If the spend limit is set to the MaxUint256 sentinel value, do not subtract the amount from the spend limit.
+		if allocation.SpendLimit.AmountOf(msgTransfer.Token.Denom).Equal(UnboundedSpendLimit()) {
+			return authz.AcceptResponse{Accept: true, Delete: false, Updated: nil}, nil
+		}
+
+		limitLeft, isNegative := allocation.SpendLimit.SafeSub(msgTransfer.Token)
+		if isNegative {
+			return authz.AcceptResponse{}, sdkerrors.Wrapf(sdkerrors.ErrInsufficientFunds, "requested amount is more than spend limit")
+		}
+
+		if limitLeft.IsZero() {
+			a.Allocations = append(a.Allocations[:index], a.Allocations[index+1:]...)
+			if len(a.Allocations) == 0 {
+				return authz.AcceptResponse{Accept: true, Delete: true}, nil
+			}
+			return authz.AcceptResponse{Accept: true, Delete: false, Updated: &TransferAuthorization{
+				Allocations: a.Allocations,
+			}}, nil
+		}
+		a.Allocations[index] = Allocation{
+			SourcePort:    allocation.SourcePort,
+			SourceChannel: allocation.SourceChannel,
+			SpendLimit:    limitLeft,
+			AllowList:     allocation.AllowList,
+		}
+
+		return authz.AcceptResponse{Accept: true, Delete: false, Updated: &TransferAuthorization{
+			Allocations: a.Allocations,
+		}}, nil
+	}
+
+	return authz.AcceptResponse{}, sdkerrors.Wrapf(sdkerrors.ErrNotFound, "requested port and channel allocation does not exist")
+}
+
+// ValidateBasic implements Authorization.ValidateBasic.
+func (a TransferAuthorization) ValidateBasic() error {
+	if len(a.Allocations) == 0 {
+		return sdkerrors.Wrap(ErrInvalidAuthorization, "allocations cannot be empty")
+	}
+
+	foundChannels := make(map[string]bool, 0)
+
+	for _, allocation := range a.Allocations {
+		if _, found := foundChannels[allocation.SourceChannel]; found {
+			return sdkerrors.Wrapf(channeltypes.ErrInvalidChannel, "duplicate source channel ID: %s", allocation.SourceChannel)
+		}
+
+		foundChannels[allocation.SourceChannel] = true
+
+		if allocation.SpendLimit == nil {
+			return sdkerrors.Wrap(sdkerrors.ErrInvalidCoins, "spend limit cannot be nil")
+		}
+
+		if err := allocation.SpendLimit.Validate(); err != nil {
+			return sdkerrors.Wrapf(sdkerrors.ErrInvalidCoins, err.Error())
+		}
+
+		if err := host.PortIdentifierValidator(allocation.SourcePort); err != nil {
+			return sdkerrors.Wrap(err, "invalid source port ID")
+		}
+
+		if err := host.ChannelIdentifierValidator(allocation.SourceChannel); err != nil {
+			return sdkerrors.Wrap(err, "invalid source channel ID")
+		}
+
+		found := make(map[string]bool, 0)
+		for i := 0; i < len(allocation.AllowList); i++ {
+			if found[allocation.AllowList[i]] {
+				return sdkerrors.Wrapf(ErrInvalidAuthorization, "duplicate entry in allow list %s")
+			}
+			found[allocation.AllowList[i]] = true
+		}
+	}
+
+	return nil
+}
+
+// isAllowedAddress returns a boolean indicating if the receiver address is valid for transfer.
+// gasCostPerIteration gas is consumed for each iteration.
+func isAllowedAddress(ctx sdk.Context, receiver string, allowedAddrs []string) bool {
+	if len(allowedAddrs) == 0 {
+		return true
+	}
+
+	gasCostPerIteration := ctx.KVGasConfig().IterNextCostFlat
+
+	for _, addr := range allowedAddrs {
+		ctx.GasMeter().ConsumeGas(gasCostPerIteration, "transfer authorization")
+		if addr == receiver {
+			return true
+		}
+	}
+	return false
+}
+
+// UnboundedSpendLimit returns the sentinel value that can be used
+// as the amount for a denomination's spend limit for which spend limit updating
+// should be disabled. Please note that using this sentinel value means that a grantee
+// will be granted the privilege to do ICS20 token transfers for the total amount
+// of the denomination available at the granter's account.
+func UnboundedSpendLimit() sdkmath.Int {
+	return sdk.NewIntFromBigInt(maxUint256)
+}
diff --git a/modules/apps/transfer/types/transfer_authorization_test.go b/modules/apps/transfer/types/transfer_authorization_test.go
new file mode 100644
index 00000000000..66d8e05b46e
--- /dev/null
+++ b/modules/apps/transfer/types/transfer_authorization_test.go
@@ -0,0 +1,329 @@
+package types_test
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/cosmos/cosmos-sdk/x/authz"
+
+	"github.com/cosmos/ibc-go/v6/modules/apps/transfer/types"
+	ibctesting "github.com/cosmos/ibc-go/v6/testing"
+	"github.com/cosmos/ibc-go/v6/testing/mock"
+)
+
+func (suite *TypesTestSuite) TestTransferAuthorizationAccept() {
+	var (
+		msgTransfer   types.MsgTransfer
+		transferAuthz types.TransferAuthorization
+	)
+
+	testCases := []struct {
+		name         string
+		malleate     func()
+		assertResult func(res authz.AcceptResponse, err error)
+	}{
+		{
+			"success",
+			func() {},
+			func(res authz.AcceptResponse, err error) {
+				suite.Require().NoError(err)
+
+				suite.Require().True(res.Accept)
+				suite.Require().True(res.Delete)
+				suite.Require().Nil(res.Updated)
+			},
+		},
+		{
+			"success: with spend limit updated",
+			func() {
+				msgTransfer.Token = sdk.NewCoin(sdk.DefaultBondDenom, sdk.NewInt(50))
+			},
+			func(res authz.AcceptResponse, err error) {
+				suite.Require().NoError(err)
+
+				suite.Require().True(res.Accept)
+				suite.Require().False(res.Delete)
+
+				updatedAuthz, ok := res.Updated.(*types.TransferAuthorization)
+				suite.Require().True(ok)
+
+				isEqual := updatedAuthz.Allocations[0].SpendLimit.IsEqual(sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, sdk.NewInt(50))))
+				suite.Require().True(isEqual)
+			},
+		},
+		{
+			"success: with empty allow list",
+			func() {
+				transferAuthz.Allocations[0].AllowList = []string{}
+			},
+			func(res authz.AcceptResponse, err error) {
+				suite.Require().NoError(err)
+
+				suite.Require().True(res.Accept)
+				suite.Require().True(res.Delete)
+				suite.Require().Nil(res.Updated)
+			},
+		},
+		{
+			"success: with multiple allocations",
+			func() {
+				alloc := types.Allocation{
+					SourcePort:    ibctesting.MockPort,
+					SourceChannel: "channel-9",
+					SpendLimit:    ibctesting.TestCoins,
+				}
+
+				transferAuthz.Allocations = append(transferAuthz.Allocations, alloc)
+			},
+			func(res authz.AcceptResponse, err error) {
+				suite.Require().NoError(err)
+
+				suite.Require().True(res.Accept)
+				suite.Require().False(res.Delete)
+
+				updatedAuthz, ok := res.Updated.(*types.TransferAuthorization)
+				suite.Require().True(ok)
+
+				// assert spent spendlimit is removed from the list
+				suite.Require().Len(updatedAuthz.Allocations, 1)
+			},
+		},
+		{
+			"success: with unlimited spend limit of max uint256",
+			func() {
+				transferAuthz.Allocations[0].SpendLimit = sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, types.UnboundedSpendLimit()))
+			},
+			func(res authz.AcceptResponse, err error) {
+				suite.Require().NoError(err)
+
+				suite.Require().True(res.Accept)
+				suite.Require().False(res.Delete)
+				suite.Require().Nil(res.Updated)
+			},
+		},
+		{
+			"test multiple coins does not overspend",
+			func() {
+				transferAuthz.Allocations[0].SpendLimit = transferAuthz.Allocations[0].SpendLimit.Add(
+					sdk.NewCoins(
+						sdk.NewCoin("test-denom", sdk.NewInt(100)),
+						sdk.NewCoin("test-denom2", sdk.NewInt(100)),
+					)...,
+				)
+				msgTransfer.Token = sdk.NewCoin(sdk.DefaultBondDenom, sdk.NewInt(50))
+			},
+			func(res authz.AcceptResponse, err error) {
+				suite.Require().NoError(err)
+
+				updatedTransferAuthz, ok := res.Updated.(*types.TransferAuthorization)
+				suite.Require().True(ok)
+
+				remainder := updatedTransferAuthz.Allocations[0].SpendLimit.AmountOf(sdk.DefaultBondDenom)
+				suite.Require().True(sdk.NewInt(50).Equal(remainder))
+
+				remainder = updatedTransferAuthz.Allocations[0].SpendLimit.AmountOf("test-denom")
+				suite.Require().True(sdk.NewInt(100).Equal(remainder))
+
+				remainder = updatedTransferAuthz.Allocations[0].SpendLimit.AmountOf("test-denom2")
+				suite.Require().True(sdk.NewInt(100).Equal(remainder))
+			},
+		},
+		{
+			"no spend limit set for MsgTransfer port/channel",
+			func() {
+				msgTransfer.SourcePort = ibctesting.MockPort
+				msgTransfer.SourceChannel = "channel-9"
+			},
+			func(res authz.AcceptResponse, err error) {
+				suite.Require().Error(err)
+			},
+		},
+		{
+			"requested transfer amount is more than the spend limit",
+			func() {
+				msgTransfer.Token = sdk.NewCoin(sdk.DefaultBondDenom, sdk.NewInt(1000))
+			},
+			func(res authz.AcceptResponse, err error) {
+				suite.Require().Error(err)
+			},
+		},
+		{
+			"receiver address not permitted via allow list",
+			func() {
+				msgTransfer.Receiver = suite.chainB.SenderAccount.GetAddress().String()
+			},
+			func(res authz.AcceptResponse, err error) {
+				suite.Require().Error(err)
+			},
+		},
+	}
+
+	for _, tc := range testCases {
+		suite.Run(tc.name, func() {
+			suite.SetupTest()
+
+			path := NewTransferPath(suite.chainA, suite.chainB)
+			suite.coordinator.Setup(path)
+
+			transferAuthz = types.TransferAuthorization{
+				Allocations: []types.Allocation{
+					{
+						SourcePort:    path.EndpointA.ChannelConfig.PortID,
+						SourceChannel: path.EndpointA.ChannelID,
+						SpendLimit:    ibctesting.TestCoins,
+						AllowList:     []string{ibctesting.TestAccAddress},
+					},
+				},
+			}
+
+			msgTransfer = types.MsgTransfer{
+				SourcePort:    path.EndpointA.ChannelConfig.PortID,
+				SourceChannel: path.EndpointA.ChannelID,
+				Token:         ibctesting.TestCoin,
+				Sender:        suite.chainA.SenderAccount.GetAddress().String(),
+				Receiver:      ibctesting.TestAccAddress,
+				TimeoutHeight: suite.chainB.GetTimeoutHeight(),
+			}
+
+			tc.malleate()
+
+			res, err := transferAuthz.Accept(suite.chainA.GetContext(), &msgTransfer)
+			tc.assertResult(res, err)
+		})
+	}
+}
+
+func (suite *TypesTestSuite) TestTransferAuthorizationMsgTypeURL() {
+	var transferAuthz types.TransferAuthorization
+	suite.Require().Equal(sdk.MsgTypeURL(&types.MsgTransfer{}), transferAuthz.MsgTypeURL(), "invalid type url for transfer authorization")
+}
+
+func (suite *TypesTestSuite) TestTransferAuthorizationValidateBasic() {
+	var transferAuthz types.TransferAuthorization
+
+	testCases := []struct {
+		name     string
+		malleate func()
+		expPass  bool
+	}{
+		{
+			"success",
+			func() {},
+			true,
+		},
+		{
+			"success: empty allow list",
+			func() {
+				transferAuthz.Allocations[0].AllowList = []string{}
+			},
+			true,
+		},
+		{
+			"success: with multiple allocations",
+			func() {
+				allocation := types.Allocation{
+					SourcePort:    types.PortID,
+					SourceChannel: "channel-1",
+					SpendLimit:    sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, sdk.NewInt(100))),
+					AllowList:     []string{},
+				}
+
+				transferAuthz.Allocations = append(transferAuthz.Allocations, allocation)
+			},
+			true,
+		},
+		{
+			"success: with unlimited spend limit of max uint256",
+			func() {
+				transferAuthz.Allocations[0].SpendLimit = sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, types.UnboundedSpendLimit()))
+			},
+			true,
+		},
+		{
+			"empty allocations",
+			func() {
+				transferAuthz = types.TransferAuthorization{Allocations: []types.Allocation{}}
+			},
+			false,
+		},
+		{
+			"nil allocations",
+			func() {
+				transferAuthz = types.TransferAuthorization{}
+			},
+			false,
+		},
+		{
+			"nil spend limit coins",
+			func() {
+				transferAuthz.Allocations[0].SpendLimit = nil
+			},
+			false,
+		},
+		{
+			"invalid spend limit coins",
+			func() {
+				transferAuthz.Allocations[0].SpendLimit = sdk.Coins{sdk.Coin{Denom: ""}}
+			},
+			false,
+		},
+		{
+			"duplicate entry in allow list",
+			func() {
+				transferAuthz.Allocations[0].AllowList = []string{ibctesting.TestAccAddress, ibctesting.TestAccAddress}
+			},
+			false,
+		},
+		{
+			"invalid port identifier",
+			func() {
+				transferAuthz.Allocations[0].SourcePort = ""
+			},
+			false,
+		},
+		{
+			"invalid channel identifier",
+			func() {
+				transferAuthz.Allocations[0].SourceChannel = ""
+			},
+			false,
+		},
+		{
+			name: "duplicate channel ID",
+			malleate: func() {
+				allocation := types.Allocation{
+					SourcePort:    mock.PortID,
+					SourceChannel: transferAuthz.Allocations[0].SourceChannel,
+					SpendLimit:    sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, sdk.NewInt(100))),
+					AllowList:     []string{ibctesting.TestAccAddress},
+				}
+
+				transferAuthz.Allocations = append(transferAuthz.Allocations, allocation)
+			},
+			expPass: false,
+		},
+	}
+
+	for _, tc := range testCases {
+		suite.Run(tc.name, func() {
+			transferAuthz = types.TransferAuthorization{
+				Allocations: []types.Allocation{
+					{
+						SourcePort:    mock.PortID,
+						SourceChannel: ibctesting.FirstChannelID,
+						SpendLimit:    sdk.NewCoins(sdk.NewCoin(sdk.DefaultBondDenom, sdk.NewInt(100))),
+						AllowList:     []string{ibctesting.TestAccAddress},
+					},
+				},
+			}
+
+			tc.malleate()
+
+			err := transferAuthz.ValidateBasic()
+
+			if tc.expPass {
+				suite.Require().NoError(err)
+			} else {
+				suite.Require().Error(err)
+			}
+		})
+	}
+}
diff --git a/modules/apps/transfer/types/ack_test.go b/modules/apps/transfer/types/types_test.go
similarity index 59%
rename from modules/apps/transfer/types/ack_test.go
rename to modules/apps/transfer/types/types_test.go
index 0b299d434d6..108304e5927 100644
--- a/modules/apps/transfer/types/ack_test.go
+++ b/modules/apps/transfer/types/types_test.go
@@ -5,6 +5,7 @@ import (
 
 	"github.com/stretchr/testify/suite"
 
+	"github.com/cosmos/ibc-go/v6/modules/apps/transfer/types"
 	ibctesting "github.com/cosmos/ibc-go/v6/testing"
 )
 
@@ -24,6 +25,16 @@ func (suite *TypesTestSuite) SetupTest() {
 	suite.chainB = suite.coordinator.GetChain(ibctesting.GetChainID(2))
 }
 
+func NewTransferPath(chainA, chainB *ibctesting.TestChain) *ibctesting.Path {
+	path := ibctesting.NewPath(chainA, chainB)
+	path.EndpointA.ChannelConfig.PortID = types.PortID
+	path.EndpointB.ChannelConfig.PortID = types.PortID
+	path.EndpointA.ChannelConfig.Version = types.Version
+	path.EndpointB.ChannelConfig.Version = types.Version
+
+	return path
+}
+
 func TestTypesTestSuite(t *testing.T) {
 	suite.Run(t, new(TypesTestSuite))
 }
diff --git a/modules/core/02-client/client/cli/tx.go b/modules/core/02-client/client/cli/tx.go
index 83f6c1b3a8c..b7a58efd8fe 100644
--- a/modules/core/02-client/client/cli/tx.go
+++ b/modules/core/02-client/client/cli/tx.go
@@ -2,7 +2,7 @@ package cli
 
 import (
 	"fmt"
-	"io/ioutil"
+	"os"
 	"strconv"
 
 	"github.com/cosmos/cosmos-sdk/client"
@@ -43,7 +43,7 @@ func NewCreateClientCmd() *cobra.Command {
 			if err := cdc.UnmarshalInterfaceJSON([]byte(clientContentOrFileName), &clientState); err != nil {
 
 				// check for file path if JSON input is not provided
-				contents, err := ioutil.ReadFile(clientContentOrFileName)
+				contents, err := os.ReadFile(clientContentOrFileName)
 				if err != nil {
 					return fmt.Errorf("neither JSON input nor path to .json file for client state were provided: %w", err)
 				}
@@ -59,7 +59,7 @@ func NewCreateClientCmd() *cobra.Command {
 			if err := cdc.UnmarshalInterfaceJSON([]byte(consensusContentOrFileName), &consensusState); err != nil {
 
 				// check for file path if JSON input is not provided
-				contents, err := ioutil.ReadFile(consensusContentOrFileName)
+				contents, err := os.ReadFile(consensusContentOrFileName)
 				if err != nil {
 					return fmt.Errorf("neither JSON input nor path to .json file for consensus state were provided: %w", err)
 				}
@@ -104,7 +104,7 @@ func NewUpdateClientCmd() *cobra.Command {
 			if err := cdc.UnmarshalInterfaceJSON([]byte(headerContentOrFileName), &header); err != nil {
 
 				// check for file path if JSON input is not provided
-				contents, err := ioutil.ReadFile(headerContentOrFileName)
+				contents, err := os.ReadFile(headerContentOrFileName)
 				if err != nil {
 					return fmt.Errorf("neither JSON input nor path to .json file for header were provided: %w", err)
 				}
@@ -148,7 +148,7 @@ func NewSubmitMisbehaviourCmd() *cobra.Command {
 			if err := cdc.UnmarshalInterfaceJSON([]byte(misbehaviourContentOrFileName), &misbehaviour); err != nil {
 
 				// check for file path if JSON input is not provided
-				contents, err := ioutil.ReadFile(misbehaviourContentOrFileName)
+				contents, err := os.ReadFile(misbehaviourContentOrFileName)
 				if err != nil {
 					return fmt.Errorf("neither JSON input nor path to .json file for misbehaviour were provided: %w", err)
 				}
@@ -195,7 +195,7 @@ func NewUpgradeClientCmd() *cobra.Command {
 			if err := cdc.UnmarshalInterfaceJSON([]byte(clientContentOrFileName), &clientState); err != nil {
 
 				// check for file path if JSON input is not provided
-				contents, err := ioutil.ReadFile(clientContentOrFileName)
+				contents, err := os.ReadFile(clientContentOrFileName)
 				if err != nil {
 					return fmt.Errorf("neither JSON input nor path to .json file for client state were provided: %w", err)
 				}
@@ -211,7 +211,7 @@ func NewUpgradeClientCmd() *cobra.Command {
 			if err := cdc.UnmarshalInterfaceJSON([]byte(consensusContentOrFileName), &consensusState); err != nil {
 
 				// check for file path if JSON input is not provided
-				contents, err := ioutil.ReadFile(consensusContentOrFileName)
+				contents, err := os.ReadFile(consensusContentOrFileName)
 				if err != nil {
 					return fmt.Errorf("neither JSON input nor path to .json file for consensus state were provided: %w", err)
 				}
@@ -351,7 +351,7 @@ func NewCmdSubmitUpgradeProposal() *cobra.Command {
 			if err := cdc.UnmarshalInterfaceJSON([]byte(clientContentOrFileName), &clientState); err != nil {
 
 				// check for file path if JSON input is not provided
-				contents, err := ioutil.ReadFile(clientContentOrFileName)
+				contents, err := os.ReadFile(clientContentOrFileName)
 				if err != nil {
 					return fmt.Errorf("neither JSON input nor path to .json file for client state were provided: %w", err)
 				}
diff --git a/modules/core/02-client/keeper/keeper.go b/modules/core/02-client/keeper/keeper.go
index 634c70494fc..fba24dd5147 100644
--- a/modules/core/02-client/keeper/keeper.go
+++ b/modules/core/02-client/keeper/keeper.go
@@ -67,7 +67,7 @@ func (k Keeper) GenerateClientIdentifier(ctx sdk.Context, clientType string) str
 func (k Keeper) GetClientState(ctx sdk.Context, clientID string) (exported.ClientState, bool) {
 	store := k.ClientStore(ctx, clientID)
 	bz := store.Get(host.ClientStateKey())
-	if bz == nil {
+	if len(bz) == 0 {
 		return nil, false
 	}
 
@@ -85,7 +85,7 @@ func (k Keeper) SetClientState(ctx sdk.Context, clientID string, clientState exp
 func (k Keeper) GetClientConsensusState(ctx sdk.Context, clientID string, height exported.Height) (exported.ConsensusState, bool) {
 	store := k.ClientStore(ctx, clientID)
 	bz := store.Get(host.ConsensusStateKey(height))
-	if bz == nil {
+	if len(bz) == 0 {
 		return nil, false
 	}
 
@@ -104,7 +104,7 @@ func (k Keeper) SetClientConsensusState(ctx sdk.Context, clientID string, height
 func (k Keeper) GetNextClientSequence(ctx sdk.Context) uint64 {
 	store := ctx.KVStore(k.storeKey)
 	bz := store.Get([]byte(types.KeyNextClientSequence))
-	if bz == nil {
+	if len(bz) == 0 {
 		panic("next client sequence is nil")
 	}
 
diff --git a/modules/core/03-connection/client/utils/utils.go b/modules/core/03-connection/client/utils/utils.go
index 9e1119fb53d..6c2c30ad1eb 100644
--- a/modules/core/03-connection/client/utils/utils.go
+++ b/modules/core/03-connection/client/utils/utils.go
@@ -4,7 +4,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
-	"io/ioutil"
+	"os"
 
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/codec"
@@ -169,7 +169,7 @@ func ParseClientState(cdc *codec.LegacyAmino, arg string) (exported.ClientState,
 	var clientState exported.ClientState
 	if err := cdc.UnmarshalJSON([]byte(arg), &clientState); err != nil {
 		// check for file path if JSON input is not provided
-		contents, err := ioutil.ReadFile(arg)
+		contents, err := os.ReadFile(arg)
 		if err != nil {
 			return nil, errors.New("either JSON input nor path to .json file were provided")
 		}
@@ -186,7 +186,7 @@ func ParsePrefix(cdc *codec.LegacyAmino, arg string) (commitmenttypes.MerklePref
 	var prefix commitmenttypes.MerklePrefix
 	if err := cdc.UnmarshalJSON([]byte(arg), &prefix); err != nil {
 		// check for file path if JSON input is not provided
-		contents, err := ioutil.ReadFile(arg)
+		contents, err := os.ReadFile(arg)
 		if err != nil {
 			return commitmenttypes.MerklePrefix{}, errors.New("neither JSON input nor path to .json file were provided")
 		}
@@ -204,7 +204,7 @@ func ParseProof(cdc *codec.LegacyAmino, arg string) ([]byte, error) {
 	var merkleProof commitmenttypes.MerkleProof
 	if err := cdc.UnmarshalJSON([]byte(arg), &merkleProof); err != nil {
 		// check for file path if JSON input is not provided
-		contents, err := ioutil.ReadFile(arg)
+		contents, err := os.ReadFile(arg)
 		if err != nil {
 			return nil, errors.New("neither JSON input nor path to .json file were provided")
 		}
diff --git a/modules/core/03-connection/keeper/keeper.go b/modules/core/03-connection/keeper/keeper.go
index 6620673ab24..ddff53f5224 100644
--- a/modules/core/03-connection/keeper/keeper.go
+++ b/modules/core/03-connection/keeper/keeper.go
@@ -66,7 +66,7 @@ func (k Keeper) GenerateConnectionIdentifier(ctx sdk.Context) string {
 func (k Keeper) GetConnection(ctx sdk.Context, connectionID string) (types.ConnectionEnd, bool) {
 	store := ctx.KVStore(k.storeKey)
 	bz := store.Get(host.ConnectionKey(connectionID))
-	if bz == nil {
+	if len(bz) == 0 {
 		return types.ConnectionEnd{}, false
 	}
 
@@ -76,6 +76,13 @@ func (k Keeper) GetConnection(ctx sdk.Context, connectionID string) (types.Conne
 	return connection, true
 }
 
+// HasConnection returns a true if the connection with the given identifier
+// exists in the store.
+func (k Keeper) HasConnection(ctx sdk.Context, connectionID string) bool {
+	store := ctx.KVStore(k.storeKey)
+	return store.Has(host.ConnectionKey(connectionID))
+}
+
 // SetConnection sets a connection to the store
 func (k Keeper) SetConnection(ctx sdk.Context, connectionID string, connection types.ConnectionEnd) {
 	store := ctx.KVStore(k.storeKey)
@@ -105,7 +112,7 @@ func (k Keeper) GetTimestampAtHeight(ctx sdk.Context, connection types.Connectio
 func (k Keeper) GetClientConnectionPaths(ctx sdk.Context, clientID string) ([]string, bool) {
 	store := ctx.KVStore(k.storeKey)
 	bz := store.Get(host.ClientConnectionsKey(clientID))
-	if bz == nil {
+	if len(bz) == 0 {
 		return nil, false
 	}
 
@@ -126,7 +133,7 @@ func (k Keeper) SetClientConnectionPaths(ctx sdk.Context, clientID string, paths
 func (k Keeper) GetNextConnectionSequence(ctx sdk.Context) uint64 {
 	store := ctx.KVStore(k.storeKey)
 	bz := store.Get([]byte(types.KeyNextConnectionSequence))
-	if bz == nil {
+	if len(bz) == 0 {
 		panic("next connection sequence is nil")
 	}
 
diff --git a/modules/core/04-channel/keeper/grpc_query.go b/modules/core/04-channel/keeper/grpc_query.go
index e6bc4ea2ecf..232b27f6f62 100644
--- a/modules/core/04-channel/keeper/grpc_query.go
+++ b/modules/core/04-channel/keeper/grpc_query.go
@@ -397,18 +397,55 @@ func (q Keeper) UnreceivedPackets(c context.Context, req *types.QueryUnreceivedP
 
 	ctx := sdk.UnwrapSDKContext(c)
 
-	unreceivedSequences := []uint64{}
+	channel, found := q.GetChannel(sdk.UnwrapSDKContext(c), req.PortId, req.ChannelId)
+	if !found {
+		return nil, status.Error(
+			codes.NotFound,
+			sdkerrors.Wrapf(types.ErrChannelNotFound, "port-id: %s, channel-id %s", req.PortId, req.ChannelId).Error(),
+		)
+	}
 
-	for i, seq := range req.PacketCommitmentSequences {
-		if seq == 0 {
-			return nil, status.Errorf(codes.InvalidArgument, "packet sequence %d cannot be 0", i)
-		}
+	var unreceivedSequences []uint64
+	switch channel.Ordering {
+	case types.UNORDERED:
+		for i, seq := range req.PacketCommitmentSequences {
+			// filter for invalid sequences to ensure they are not included in the response value.
+			if seq == 0 {
+				return nil, status.Errorf(codes.InvalidArgument, "packet sequence %d cannot be 0", i)
+			}
 
-		// if packet receipt exists on the receiving chain, then packet has already been received
-		if _, found := q.GetPacketReceipt(ctx, req.PortId, req.ChannelId, seq); !found {
-			unreceivedSequences = append(unreceivedSequences, seq)
+			// if the packet receipt does not exist, then it is unreceived
+			if _, found := q.GetPacketReceipt(ctx, req.PortId, req.ChannelId, seq); !found {
+				unreceivedSequences = append(unreceivedSequences, seq)
+			}
+		}
+	case types.ORDERED:
+		nextSequenceRecv, found := q.GetNextSequenceRecv(ctx, req.PortId, req.ChannelId)
+		if !found {
+			return nil, status.Error(
+				codes.NotFound,
+				sdkerrors.Wrapf(
+					types.ErrSequenceReceiveNotFound,
+					"destination port: %s, destination channel: %s", req.PortId, req.ChannelId,
+				).Error(),
+			)
 		}
 
+		for i, seq := range req.PacketCommitmentSequences {
+			// filter for invalid sequences to ensure they are not included in the response value.
+			if seq == 0 {
+				return nil, status.Errorf(codes.InvalidArgument, "packet sequence %d cannot be 0", i)
+			}
+
+			// Any sequence greater than or equal to the next sequence to be received is not received.
+			if seq >= nextSequenceRecv {
+				unreceivedSequences = append(unreceivedSequences, seq)
+			}
+		}
+	default:
+		return nil, status.Error(
+			codes.InvalidArgument,
+			sdkerrors.Wrapf(types.ErrInvalidChannelOrdering, "channel order %s is not supported", channel.Ordering.String()).Error())
 	}
 
 	selfHeight := clienttypes.GetSelfHeight(ctx)
diff --git a/modules/core/04-channel/keeper/grpc_query_test.go b/modules/core/04-channel/keeper/grpc_query_test.go
index 4772854a4da..19eca2e5bd7 100644
--- a/modules/core/04-channel/keeper/grpc_query_test.go
+++ b/modules/core/04-channel/keeper/grpc_query_test.go
@@ -1110,7 +1110,7 @@ func (suite *KeeperTestSuite) TestQueryPacketAcknowledgements() {
 func (suite *KeeperTestSuite) TestQueryUnreceivedPackets() {
 	var (
 		req    *types.QueryUnreceivedPacketsRequest
-		expSeq = []uint64{}
+		expSeq = []uint64(nil)
 	)
 
 	testCases := []struct {
@@ -1156,6 +1156,46 @@ func (suite *KeeperTestSuite) TestQueryUnreceivedPackets() {
 			},
 			false,
 		},
+		{
+			"invalid seq, ordered channel",
+			func() {
+				path := ibctesting.NewPath(suite.chainA, suite.chainB)
+				path.SetChannelOrdered()
+				suite.coordinator.Setup(path)
+
+				req = &types.QueryUnreceivedPacketsRequest{
+					PortId:                    path.EndpointA.ChannelConfig.PortID,
+					ChannelId:                 path.EndpointA.ChannelID,
+					PacketCommitmentSequences: []uint64{0},
+				}
+			},
+			false,
+		},
+		{
+			"channel not found",
+			func() {
+				req = &types.QueryUnreceivedPacketsRequest{
+					PortId:    "invalid-port-id",
+					ChannelId: "invalid-channel-id",
+				}
+			},
+			false,
+		},
+		{
+			"basic success empty packet commitments",
+			func() {
+				path := ibctesting.NewPath(suite.chainA, suite.chainB)
+				suite.coordinator.Setup(path)
+
+				expSeq = []uint64(nil)
+				req = &types.QueryUnreceivedPacketsRequest{
+					PortId:                    path.EndpointA.ChannelConfig.PortID,
+					ChannelId:                 path.EndpointA.ChannelID,
+					PacketCommitmentSequences: []uint64{},
+				}
+			},
+			true,
+		},
 		{
 			"basic success unreceived packet commitments",
 			func() {
@@ -1181,7 +1221,7 @@ func (suite *KeeperTestSuite) TestQueryUnreceivedPackets() {
 
 				suite.chainA.App.GetIBCKeeper().ChannelKeeper.SetPacketReceipt(suite.chainA.GetContext(), path.EndpointA.ChannelConfig.PortID, path.EndpointA.ChannelID, 1)
 
-				expSeq = []uint64{}
+				expSeq = []uint64(nil)
 				req = &types.QueryUnreceivedPacketsRequest{
 					PortId:                    path.EndpointA.ChannelConfig.PortID,
 					ChannelId:                 path.EndpointA.ChannelID,
@@ -1195,7 +1235,7 @@ func (suite *KeeperTestSuite) TestQueryUnreceivedPackets() {
 			func() {
 				path := ibctesting.NewPath(suite.chainA, suite.chainB)
 				suite.coordinator.Setup(path)
-				expSeq = []uint64{} // reset
+				expSeq = []uint64(nil) // reset
 				packetCommitments := []uint64{}
 
 				// set packet receipt for every other sequence
@@ -1217,6 +1257,60 @@ func (suite *KeeperTestSuite) TestQueryUnreceivedPackets() {
 			},
 			true,
 		},
+		{
+			"basic success empty packet commitments, ordered channel",
+			func() {
+				path := ibctesting.NewPath(suite.chainA, suite.chainB)
+				path.SetChannelOrdered()
+				suite.coordinator.Setup(path)
+
+				expSeq = []uint64(nil)
+				req = &types.QueryUnreceivedPacketsRequest{
+					PortId:                    path.EndpointA.ChannelConfig.PortID,
+					ChannelId:                 path.EndpointA.ChannelID,
+					PacketCommitmentSequences: []uint64{},
+				}
+			},
+			true,
+		},
+		{
+			"basic success unreceived packet commitments, ordered channel",
+			func() {
+				path := ibctesting.NewPath(suite.chainA, suite.chainB)
+				path.SetChannelOrdered()
+				suite.coordinator.Setup(path)
+
+				// Note: NextSequenceRecv is set to 1 on channel creation.
+				expSeq = []uint64{1}
+				req = &types.QueryUnreceivedPacketsRequest{
+					PortId:                    path.EndpointA.ChannelConfig.PortID,
+					ChannelId:                 path.EndpointA.ChannelID,
+					PacketCommitmentSequences: []uint64{1},
+				}
+			},
+			true,
+		},
+		{
+			"basic success multiple unreceived packet commitments, ordered channel",
+			func() {
+				path := ibctesting.NewPath(suite.chainA, suite.chainB)
+				path.SetChannelOrdered()
+				suite.coordinator.Setup(path)
+
+				// Exercise scenario from issue #1532. NextSequenceRecv is 5, packet commitments provided are 2, 7, 9, 10.
+				// Packet sequence 2 is already received so only sequences 7, 9, 10 should be considered unreceived.
+				expSeq = []uint64{7, 9, 10}
+				packetCommitments := []uint64{2, 7, 9, 10}
+				suite.chainA.App.GetIBCKeeper().ChannelKeeper.SetNextSequenceRecv(suite.chainA.GetContext(), path.EndpointA.ChannelConfig.PortID, path.EndpointA.ChannelID, 5)
+
+				req = &types.QueryUnreceivedPacketsRequest{
+					PortId:                    path.EndpointA.ChannelConfig.PortID,
+					ChannelId:                 path.EndpointA.ChannelID,
+					PacketCommitmentSequences: packetCommitments,
+				}
+			},
+			true,
+		},
 	}
 
 	for _, tc := range testCases {
diff --git a/modules/core/04-channel/keeper/keeper.go b/modules/core/04-channel/keeper/keeper.go
index db05a8457a5..a6d5c4bf967 100644
--- a/modules/core/04-channel/keeper/keeper.go
+++ b/modules/core/04-channel/keeper/keeper.go
@@ -66,11 +66,17 @@ func (k Keeper) GenerateChannelIdentifier(ctx sdk.Context) string {
 	return channelID
 }
 
+// HasChannel true if the channel with the given identifiers exists in state.
+func (k Keeper) HasChannel(ctx sdk.Context, portID, channelID string) bool {
+	store := ctx.KVStore(k.storeKey)
+	return store.Has(host.ChannelKey(portID, channelID))
+}
+
 // GetChannel returns a channel with a particular identifier binded to a specific port
 func (k Keeper) GetChannel(ctx sdk.Context, portID, channelID string) (types.Channel, bool) {
 	store := ctx.KVStore(k.storeKey)
 	bz := store.Get(host.ChannelKey(portID, channelID))
-	if bz == nil {
+	if len(bz) == 0 {
 		return types.Channel{}, false
 	}
 
@@ -100,7 +106,7 @@ func (k Keeper) GetAppVersion(ctx sdk.Context, portID, channelID string) (string
 func (k Keeper) GetNextChannelSequence(ctx sdk.Context) uint64 {
 	store := ctx.KVStore(k.storeKey)
 	bz := store.Get([]byte(types.KeyNextChannelSequence))
-	if bz == nil {
+	if len(bz) == 0 {
 		panic("next channel sequence is nil")
 	}
 
@@ -118,7 +124,7 @@ func (k Keeper) SetNextChannelSequence(ctx sdk.Context, sequence uint64) {
 func (k Keeper) GetNextSequenceSend(ctx sdk.Context, portID, channelID string) (uint64, bool) {
 	store := ctx.KVStore(k.storeKey)
 	bz := store.Get(host.NextSequenceSendKey(portID, channelID))
-	if bz == nil {
+	if len(bz) == 0 {
 		return 0, false
 	}
 
@@ -136,7 +142,7 @@ func (k Keeper) SetNextSequenceSend(ctx sdk.Context, portID, channelID string, s
 func (k Keeper) GetNextSequenceRecv(ctx sdk.Context, portID, channelID string) (uint64, bool) {
 	store := ctx.KVStore(k.storeKey)
 	bz := store.Get(host.NextSequenceRecvKey(portID, channelID))
-	if bz == nil {
+	if len(bz) == 0 {
 		return 0, false
 	}
 
@@ -154,7 +160,7 @@ func (k Keeper) SetNextSequenceRecv(ctx sdk.Context, portID, channelID string, s
 func (k Keeper) GetNextSequenceAck(ctx sdk.Context, portID, channelID string) (uint64, bool) {
 	store := ctx.KVStore(k.storeKey)
 	bz := store.Get(host.NextSequenceAckKey(portID, channelID))
-	if bz == nil {
+	if len(bz) == 0 {
 		return 0, false
 	}
 
@@ -172,7 +178,7 @@ func (k Keeper) SetNextSequenceAck(ctx sdk.Context, portID, channelID string, se
 func (k Keeper) GetPacketReceipt(ctx sdk.Context, portID, channelID string, sequence uint64) (string, bool) {
 	store := ctx.KVStore(k.storeKey)
 	bz := store.Get(host.PacketReceiptKey(portID, channelID, sequence))
-	if bz == nil {
+	if len(bz) == 0 {
 		return "", false
 	}
 
@@ -219,7 +225,7 @@ func (k Keeper) SetPacketAcknowledgement(ctx sdk.Context, portID, channelID stri
 func (k Keeper) GetPacketAcknowledgement(ctx sdk.Context, portID, channelID string, sequence uint64) ([]byte, bool) {
 	store := ctx.KVStore(k.storeKey)
 	bz := store.Get(host.PacketAcknowledgementKey(portID, channelID, sequence))
-	if bz == nil {
+	if len(bz) == 0 {
 		return nil, false
 	}
 	return bz, true
diff --git a/modules/core/04-channel/keeper/keeper_test.go b/modules/core/04-channel/keeper/keeper_test.go
index ac97d72e7c3..c8d00843e6f 100644
--- a/modules/core/04-channel/keeper/keeper_test.go
+++ b/modules/core/04-channel/keeper/keeper_test.go
@@ -46,7 +46,7 @@ func (suite *KeeperTestSuite) TestSetChannel() {
 	suite.coordinator.SetupConnections(path)
 
 	// check for channel to be created on chainA
-	_, found := suite.chainA.App.GetIBCKeeper().ChannelKeeper.GetChannel(suite.chainA.GetContext(), path.EndpointA.ChannelConfig.PortID, path.EndpointA.ChannelID)
+	found := suite.chainA.App.GetIBCKeeper().ChannelKeeper.HasChannel(suite.chainA.GetContext(), path.EndpointA.ChannelConfig.PortID, path.EndpointA.ChannelID)
 	suite.False(found)
 
 	path.SetChannelOrdered()
@@ -85,7 +85,6 @@ func (suite *KeeperTestSuite) TestGetAppVersion() {
 
 // TestGetAllChannelsWithPortPrefix verifies ports are filtered correctly using a port prefix.
 func (suite *KeeperTestSuite) TestGetAllChannelsWithPortPrefix() {
-
 	const (
 		secondChannelID        = "channel-1"
 		differentChannelPortID = "different-portid"
diff --git a/modules/core/keeper/msg_server.go b/modules/core/keeper/msg_server.go
index 77a0b2c55c4..230951ca75d 100644
--- a/modules/core/keeper/msg_server.go
+++ b/modules/core/keeper/msg_server.go
@@ -411,10 +411,6 @@ func (k Keeper) RecvPacket(goCtx context.Context, msg *channeltypes.MsgRecvPacke
 	if ack == nil || ack.Success() {
 		// write application state changes for asynchronous and successful acknowledgements
 		writeFn()
-	} else {
-		// NOTE: The context returned by CacheContext() refers to a new EventManager, so it needs to explicitly set events to the original context.
-		// Events should still be emitted from failed acks and asynchronous acks
-		ctx.EventManager().EmitEvents(cacheCtx.EventManager().Events())
 	}
 
 	// Set packet acknowledgement only if the acknowledgement is not nil.
diff --git a/modules/light-clients/07-tendermint/types/store.go b/modules/light-clients/07-tendermint/types/store.go
index 2a8eacee2e6..e7c79e49cb8 100644
--- a/modules/light-clients/07-tendermint/types/store.go
+++ b/modules/light-clients/07-tendermint/types/store.go
@@ -54,7 +54,7 @@ func SetConsensusState(clientStore sdk.KVStore, cdc codec.BinaryCodec, consensus
 // store. An error is returned if the consensus state does not exist.
 func GetConsensusState(store sdk.KVStore, cdc codec.BinaryCodec, height exported.Height) (*ConsensusState, error) {
 	bz := store.Get(host.ConsensusStateKey(height))
-	if bz == nil {
+	if len(bz) == 0 {
 		return nil, sdkerrors.Wrapf(
 			clienttypes.ErrConsensusStateNotFound,
 			"consensus state does not exist for height %s", height,
@@ -138,7 +138,7 @@ func SetProcessedTime(clientStore sdk.KVStore, height exported.Height, timeNs ui
 func GetProcessedTime(clientStore sdk.KVStore, height exported.Height) (uint64, bool) {
 	key := ProcessedTimeKey(height)
 	bz := clientStore.Get(key)
-	if bz == nil {
+	if len(bz) == 0 {
 		return 0, false
 	}
 	return sdk.BigEndianToUint64(bz), true
@@ -169,7 +169,7 @@ func SetProcessedHeight(clientStore sdk.KVStore, consHeight, processedHeight exp
 func GetProcessedHeight(clientStore sdk.KVStore, height exported.Height) (exported.Height, bool) {
 	key := ProcessedHeightKey(height)
 	bz := clientStore.Get(key)
-	if bz == nil {
+	if len(bz) == 0 {
 		return nil, false
 	}
 	processedHeight, err := clienttypes.ParseHeight(string(bz))
@@ -320,7 +320,7 @@ func PruneAllExpiredConsensusStates(
 // Helper function for GetNextConsensusState and GetPreviousConsensusState
 func getTmConsensusState(clientStore sdk.KVStore, cdc codec.BinaryCodec, key []byte) (*ConsensusState, bool) {
 	bz := clientStore.Get(key)
-	if bz == nil {
+	if len(bz) == 0 {
 		return nil, false
 	}
 
diff --git a/modules/light-clients/09-localhost/types/client_state.go b/modules/light-clients/09-localhost/types/client_state.go
index 961d84837b5..02ee525e473 100644
--- a/modules/light-clients/09-localhost/types/client_state.go
+++ b/modules/light-clients/09-localhost/types/client_state.go
@@ -121,7 +121,7 @@ func (cs ClientState) VerifyClientState(
 ) error {
 	path := host.KeyClientState
 	bz := store.Get([]byte(path))
-	if bz == nil {
+	if len(bz) == 0 {
 		return sdkerrors.Wrapf(clienttypes.ErrFailedClientStateVerification,
 			"not found for path: %s", path)
 	}
@@ -160,7 +160,7 @@ func (cs ClientState) VerifyConnectionState(
 ) error {
 	path := host.ConnectionKey(connectionID)
 	bz := store.Get(path)
-	if bz == nil {
+	if len(bz) == 0 {
 		return sdkerrors.Wrapf(clienttypes.ErrFailedConnectionStateVerification, "not found for path %s", path)
 	}
 
@@ -194,7 +194,7 @@ func (cs ClientState) VerifyChannelState(
 ) error {
 	path := host.ChannelKey(portID, channelID)
 	bz := store.Get(path)
-	if bz == nil {
+	if len(bz) == 0 {
 		return sdkerrors.Wrapf(clienttypes.ErrFailedChannelStateVerification, "not found for path %s", path)
 	}
 
diff --git a/proto/ibc/applications/transfer/v1/authz.proto b/proto/ibc/applications/transfer/v1/authz.proto
new file mode 100644
index 00000000000..db3e0bb7636
--- /dev/null
+++ b/proto/ibc/applications/transfer/v1/authz.proto
@@ -0,0 +1,31 @@
+syntax = "proto3";
+
+package ibc.applications.transfer.v1;
+
+option go_package = "github.com/cosmos/ibc-go/v6/modules/apps/transfer/types";
+
+import "cosmos_proto/cosmos.proto";
+import "gogoproto/gogo.proto";
+import "cosmos/base/v1beta1/coin.proto";
+
+// Allocation defines the spend limit for a particular port and channel
+message Allocation {
+  // the port on which the packet will be sent
+  string source_port = 1 [(gogoproto.moretags) = "yaml:\"source_port\""];
+  // the channel by which the packet will be sent
+  string source_channel = 2 [(gogoproto.moretags) = "yaml:\"source_channel\""];
+  // spend limitation on the channel
+  repeated cosmos.base.v1beta1.Coin spend_limit = 3
+      [(gogoproto.nullable) = false, (gogoproto.castrepeated) = "github.com/cosmos/cosmos-sdk/types.Coins"];
+  // allow list of receivers, an empty allow list permits any receiver address
+  repeated string allow_list = 4;
+}
+
+// TransferAuthorization allows the grantee to spend up to spend_limit coins from
+// the granter's account for ibc transfer on a specific channel
+message TransferAuthorization {
+  option (cosmos_proto.implements_interface) = "Authorization";
+
+  // port and channel amounts
+  repeated Allocation allocations = 1 [(gogoproto.nullable) = false];
+}
diff --git a/testing/simapp/state.go b/testing/simapp/state.go
index dd6e8a9a868..2848c9fe0cb 100644
--- a/testing/simapp/state.go
+++ b/testing/simapp/state.go
@@ -4,8 +4,8 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"math/rand"
+	"os"
 	"time"
 
 	"cosmossdk.io/math"
@@ -55,7 +55,7 @@ func AppStateFn(cdc codec.JSONCodec, simManager *module.SimulationManager) simty
 
 		case config.ParamsFile != "":
 			appParams := make(simtypes.AppParams)
-			bz, err := ioutil.ReadFile(config.ParamsFile)
+			bz, err := os.ReadFile(config.ParamsFile)
 			if err != nil {
 				panic(err)
 			}
@@ -184,7 +184,7 @@ func AppStateRandomizedFn(
 // AppStateFromGenesisFileFn util function to generate the genesis AppState
 // from a genesis.json file.
 func AppStateFromGenesisFileFn(r io.Reader, cdc codec.JSONCodec, genesisFile string) (tmtypes.GenesisDoc, []simtypes.Account) {
-	bytes, err := ioutil.ReadFile(genesisFile)
+	bytes, err := os.ReadFile(genesisFile)
 	if err != nil {
 		panic(err)
 	}
diff --git a/testing/simapp/utils.go b/testing/simapp/utils.go
index 148e0f1ee55..e988fd0d4b4 100644
--- a/testing/simapp/utils.go
+++ b/testing/simapp/utils.go
@@ -3,7 +3,7 @@ package simapp
 import (
 	"encoding/json"
 	"fmt"
-	"io/ioutil"
+	"os"
 
 	"github.com/cosmos/cosmos-sdk/codec"
 	sdk "github.com/cosmos/cosmos-sdk/types"
@@ -34,7 +34,7 @@ func SetupSimulation(dirPrefix, dbName string) (simtypes.Config, dbm.DB, string,
 		logger = log.NewNopLogger()
 	}
 
-	dir, err := ioutil.TempDir("", dirPrefix)
+	dir, err := os.MkdirTemp("", dirPrefix)
 	if err != nil {
 		return simtypes.Config{}, nil, "", nil, false, err
 	}
@@ -56,7 +56,7 @@ func SimulationOperations(app App, cdc codec.JSONCodec, config simtypes.Config)
 	}
 
 	if config.ParamsFile != "" {
-		bz, err := ioutil.ReadFile(config.ParamsFile)
+		bz, err := os.ReadFile(config.ParamsFile)
 		if err != nil {
 			panic(err)
 		}
@@ -84,7 +84,7 @@ func CheckExportSimulation(
 			return err
 		}
 
-		if err := ioutil.WriteFile(config.ExportStatePath, []byte(exported.AppState), 0o600); err != nil {
+		if err := os.WriteFile(config.ExportStatePath, []byte(exported.AppState), 0o600); err != nil {
 			return err
 		}
 	}
@@ -96,7 +96,7 @@ func CheckExportSimulation(
 			return err
 		}
 
-		if err := ioutil.WriteFile(config.ExportParamsPath, paramsBz, 0o600); err != nil {
+		if err := os.WriteFile(config.ExportParamsPath, paramsBz, 0o600); err != nil {
 			return err
 		}
 	}