add go binding code

Makefile

@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: ISC
+# Copyright (c) 2019-2023 Bitmark Inc.
+# Use of this source code is governed by an ISC
+# license that can be found in the LICENSE file.
+
+.PHONY:
+
+truffle-check: ; @which truffle > /dev/null
+abigen-check: ; @which abigen > /dev/null
+jq-check: ; @which jq >/dev/null
+npm-check: ;@which npm >/dev/null
+
+check: truffle-check abigen-check jq-check npm-check
+
+clean:
+	rm -rf **/abi.go
+
+build-contract: check
+	npm install && \
+	truffle compile && \
+	jq -r ".bytecode" build/contracts/FeralfileExhibitionV2.json > ./build/FeralfileExhibitionV2.bin && \
+	jq -r ".abi" build/contracts/FeralfileExhibitionV2.json > ./build/FeralfileExhibitionV2.abi && \
+	jq -r ".bytecode" build/contracts/FeralfileExhibitionV3.json > ./build/FeralfileExhibitionV3.bin && \
+	jq -r ".abi" build/contracts/FeralfileExhibitionV3.json > ./build/FeralfileExhibitionV3.abi && \
+	jq -r ".bytecode" build/contracts/FeralfileExhibitionV4.json > ./build/FeralfileExhibitionV4.bin && \
+	jq -r ".abi" build/contracts/FeralfileExhibitionV4.json > ./build/FeralfileExhibitionV4.abi && \
+	jq -r ".bytecode" build/contracts/FeralfileEnglishAuction.json > ./build/FeralfileEnglishAuction.bin && \
+	jq -r ".abi" build/contracts/FeralfileEnglishAuction.json > ./build/FeralfileEnglishAuction.abi && \
+	jq -r ".bytecode" build/contracts/FeralFileAirdropV1.json > ./build/FeralFileAirdropV1.bin && \
+	jq -r ".abi" build/contracts/FeralFileAirdropV1.json > ./build/FeralFileAirdropV1.abi
+
+build: build-contract
+	mkdir -p ./binding/feralfile-exhibition-v2 && \
+	mkdir -p ./binding/feralfile-exhibition-v3 && \
+	mkdir -p ./binding/feralfile-exhibition-v4 && \
+	mkdir -p ./binding/feralfile-english-auction && \
+	mkdir -p ./binding/feralfile-airdrop-v1 && \
+	abigen --abi ./build/FeralfileExhibitionV2.abi --bin ./build/FeralfileExhibitionV2.bin --pkg feralfilev2 -type FeralfileExhibitionV2 --out ./binding/feralfile-exhibition-v2/abi.go
+	abigen --abi ./build/FeralfileExhibitionV3.abi --bin ./build/FeralfileExhibitionV3.bin --pkg feralfilev3 -type FeralfileExhibitionV3 --out ./binding/feralfile-exhibition-v3/abi.go
+	abigen --abi ./build/FeralfileExhibitionV4.abi --bin ./build/FeralfileExhibitionV4.bin --pkg feralfilev4 -type FeralfileExhibitionV4 --out ./binding/feralfile-exhibition-v4/abi.go
+	abigen --abi ./build/FeralfileEnglishAuction.abi --bin ./build/FeralfileEnglishAuction.bin --pkg english_auction -type FeralfileEnglishAuction --out ./binding/feralfile-english-auction/abi.go
+	abigen --abi ./build/FeralFileAirdropV1.abi --bin ./build/FeralFileAirdropV1.bin --pkg airdropv1 -type FeralFileAirdropV1 --out ./binding/feralfile-airdrop-v1/abi.go