Implement ICS 721 (#167)

* add nft-transfer

* add serde(default)

* add serde(default) for token_uri and token_data

* rebase for 0.40.0

* fix to add serde for nft

* fix doc

* rebuild with protoc 25.1

* fix fmt

* fix for clippy

* add changelog

.changelog/unreleased/features/167-ics721-impl.md

@@ -0,0 +1,2 @@
+- Add ICS-721 proto:  ([\#167](https://github.com/cosmos/ibc-proto-
+  rs/issues/167))

scripts/sync-protobuf.sh

@@ -26,14 +26,17 @@ CACHE_PATH="${XDG_CACHE_HOME:-$HOME/.cache}"
 COSMOS_SDK_GIT="${COSMOS_SDK_GIT:-$CACHE_PATH/cosmos/cosmos-sdk.git}"
 IBC_GO_GIT="${IBC_GO_GIT:-$CACHE_PATH/ibc-go.git}"
 COSMOS_ICS_GIT="${COSMOS_ICS_GIT:-$CACHE_PATH/cosmos/interchain-security.git}"
+NFT_TRANSFER_GIT="${NFT_TRANSFER_GIT:-$CACHE_PATH/bianjieai/nft-transfer.git}"
 
 COSMOS_SDK_COMMIT="$(cat src/COSMOS_SDK_COMMIT)"
 IBC_GO_COMMIT="$(cat src/IBC_GO_COMMIT)"
 INTERCHAIN_SECURITY_COMMIT="$(cat src/INTERCHAIN_SECURITY_COMMIT)"
+NFT_TRANSFER_COMMIT="$(cat src/NFT_TRANSFER_COMMIT)"
 
 echo "COSMOS_SDK_COMMIT: $COSMOS_SDK_COMMIT"
 echo "IBC_GO_COMMIT: $IBC_GO_COMMIT"
 echo "INTERCHAIN_SECURITY_COMMIT: $INTERCHAIN_SECURITY_COMMIT"
+echo "NFT_TRANSFER_COMMIT: $NFT_TRANSFER_COMMIT"
 
 # Use either --ics-commit flag for commit ID,
 # or --ics-tag for git tag. Because we can't modify
@@ -89,6 +92,15 @@ else
     echo "Using existing ibc-go bare git repository at $IBC_GO_GIT"
 fi
 
+if [[ ! -e "$NFT_TRANSFER_GIT" ]]
+then
+    echo "Cloning nft-transfer source code to as bare git repository to $NFT_TRANSFER_GIT"
+    git clone --mirror https://github.com/bianjieai/nft-transfer.git "$NFT_TRANSFER_GIT"
+else
+    echo "Using existing nft-transfer bare git repository at $NFT_TRANSFER_GIT"
+fi
+
+
 # Update the repositories using git fetch. This is so that
 # we keep local copies of the repositories up to sync first.
 pushd "$COSMOS_ICS_GIT"
@@ -103,6 +115,10 @@ pushd "$IBC_GO_GIT"
 git fetch
 popd
 
+pushd "$NFT_TRANSFER_GIT"
+git fetch
+popd
+
 # Create a new temporary directory to check out the
 # actual source files from the bare git repositories.
 # This is so that we do not accidentally use an unclean
@@ -154,6 +170,17 @@ cd proto
 buf export -v -o ../proto-include
 popd
 
+NFT_TRANSFER_DIR=$(mktemp -d /tmp/nft-transfer-XXXXXXXX)
+
+pushd "$NFT_TRANSFER_DIR"
+git clone "$NFT_TRANSFER_GIT" .
+git checkout -b "$NFT_TRANSFER_COMMIT" "$NFT_TRANSFER_COMMIT"
+
+cd proto
+buf export -v -o ../proto-include
+rm ../proto-include/ibc/core/client/v1/client.proto
+popd
+
 # Remove the existing generated protobuf files
 # so that the newly generated code does not
 # contain removed files.
@@ -173,6 +200,7 @@ cargo run -- compile \
   --ics "$COSMOS_ICS_DIR/proto-include" \
   --sdk "$COSMOS_SDK_DIR/proto-include" \
   --ibc "$IBC_GO_DIR/proto-include" \
+  --nft "$NFT_TRANSFER_DIR/proto-include" \
   --out ../../src/prost
 
 cd ../..
@@ -192,3 +220,4 @@ rm -f src/prost/tendermint.abci.rs
 rm -rf "$COSMOS_ICS_DIR"
 rm -rf "$COSMOS_SDK_DIR"
 rm -rf "$IBC_GO_DIR"
+rm -rf "$NFT_TRANSFER_DIR"

src/NFT_TRANSFER_COMMIT

@@ -0,0 +1 @@
+986de3bb91434c9efc49a82544e3ba0b208e19a7

src/lib.rs

@@ -34,6 +34,9 @@ pub const IBC_GO_COMMIT: &str = include_str!("IBC_GO_COMMIT");
 /// The version (commit hash) of Interchain Security used when generating this library.
 pub const INTERCHAIN_SECURITY_COMMIT: &str = include_str!("INTERCHAIN_SECURITY_COMMIT");
 
+/// The version (commit hash) of nft-transfer used when generating this library.
+pub const NFT_TRANSFER_COMMIT: &str = include_str!("NFT_TRANSFER_COMMIT");
+
 /// File descriptor set of compiled proto.
 #[cfg(feature = "proto-descriptor")]
 pub const FILE_DESCRIPTOR_SET: &[u8] = include_bytes!("prost/proto_descriptor.bin");
@@ -296,6 +299,13 @@ pub mod ibc {
                 }
             }
         }
+        pub mod nft_transfer {
+            pub mod v1 {
+                include_proto!("ibc.applications.nft_transfer.v1.rs");
+                #[cfg(feature = "serde")]
+                include_proto!("ibc.applications.nft_transfer.v1.serde.rs");
+            }
+        }
     }
     pub mod core {
         pub mod channel {