define NFTContractDecoder interface

Author: zhiquan911

common/math.go

@@ -67,4 +67,4 @@ func BytesToDecimals(bits []byte, decimals int32) decimal.Decimal {
 	amount := new(big.Int)
 	amount.SetBytes(bits)
 	return decimal.NewFromBigInt(amount, 0).Shift(-decimals)
-}
+}

common/math_test.go

@@ -26,4 +26,4 @@ func TestStringNumToBigIntWithDecimals(t *testing.T) {
 	t.Logf("num int64 : %v\n", num.Int64())
 	newnum := BigIntToDecimals(num, 8)
 	t.Logf("newnum : %v\n", newnum.String())
-}
+}

crypto/crypto_utils_test.go

@@ -1,6 +1,7 @@
 package crypto
 
 import (
+	"encoding/base64"
 	"encoding/hex"
 	"encoding/json"
 	"fmt"
@@ -42,7 +43,7 @@ func TestEncryptJSON(t *testing.T) {
 
 	params := map[string]interface{}{
 		"name": "chance",
-		"age": 18,
+		"age":  18,
 	}
 
 	plainText, _ := json.Marshal(params)
@@ -57,7 +58,7 @@ func TestEncryptJSON(t *testing.T) {
 	//1bf9d9ff6bbaf559e6b74479b0e770b480de59c5aa9ff044478834a0b1ec6986
 	enbase, _ := base58.Decode(base)
 	fmt.Printf("enbase hex(%d): %s\n", len(enbase), hex.EncodeToString(enbase))
-	raw, _ :=AESDecrypt(enbase, key)
+	raw, _ := AESDecrypt(enbase, key)
 	fmt.Printf("raw = %s\n", string(raw))
 }
 
@@ -77,18 +78,41 @@ func TestHmac(t *testing.T) {
 }
 
 func TestBlake2b(t *testing.T) {
-	data, _ := hex.DecodeString("0500000000000000010200000000000000393000002e16000094260000000b000000000000000000000001000000000020000000")
+	data, _ := hex.DecodeString("")
 	hash := owcrypt.Hash(data, 32, owcrypt.HASH_ALG_BLAKE2B)
 	fmt.Printf("hash: %s\n", hex.EncodeToString(hash))
 	//ca2cc09e84e78d7bbcd58004721aec0526904e0379508e1e87716d85597e1862
 	//ca2cc09e84e78d7bbcd58004721aec0526904e0379508e1e87716d85597e1862
 }
 
 func TestED25519(t *testing.T) {
-	key, _ := hex.DecodeString("1ece69a7de1136e08bdf48e972ae79b06ea86b502fea4a959aa3401e7af977af")
+	key, _ := hex.DecodeString("")
 	pubkey, _ := owcrypt.GenPubkey(key, owcrypt.ECC_CURVE_ED25519_NORMAL)
-	signature, _:= hex.DecodeString("4f024f27d1b5e54356744fda6e9474c29907d8431a4b9918b6ff1a7dfd1361ad60947a9b09aa9756a99c5165d42f7f4637ec8cfb5bbdf7d5a35052c204ae720e")
+	signature, _ := hex.DecodeString("")
+	msg, _ := hex.DecodeString("")
 	fmt.Printf("pubkey: %s \n", hex.EncodeToString(pubkey))
-	flag := owcrypt.Verify(pubkey, nil, []byte("hello word"), signature, owcrypt.ECC_CURVE_ED25519_NORMAL)
+	flag := owcrypt.Verify(pubkey, nil, msg, signature, owcrypt.ECC_CURVE_ED25519_NORMAL)
 	fmt.Printf("flag: %d \n", flag)
-}
+}
+
+func TestBase64(t *testing.T) {
+	base64Str := ""
+	bs, err := base64.StdEncoding.DecodeString(base64Str)
+	if err != nil {
+		t.Errorf("base64 decode failed")
+		return
+	}
+	prv := bs[16:]
+	fmt.Printf("hex: %s \n", hex.EncodeToString(prv))
+}
+
+func TestSECP256R1(t *testing.T) {
+	key, _ := hex.DecodeString("")
+	pubkey, _ := owcrypt.GenPubkey(key, owcrypt.ECC_CURVE_SECP256R1)
+	pubkey = owcrypt.PointCompress(pubkey, owcrypt.ECC_CURVE_SECP256R1)
+	fmt.Printf("pubkey: %s \n", hex.EncodeToString(pubkey))
+	msg, _ := hex.DecodeString("111111111111111111111111111111111111111111111111")
+	sig, _, ret := owcrypt.Signature(key, nil, msg, owcrypt.ECC_CURVE_SECP256R1)
+	fmt.Printf("ret: %d \n", ret)
+	fmt.Printf("sig: %s \n", hex.EncodeToString(sig))
+}

openwallet/contract.go

@@ -23,6 +23,14 @@ import (
 	"github.com/blocktree/openwallet/v2/crypto"
 )
 
+const (
+	// 0：未知协议，1：ERC20协议，2：ERC721协议，3：ERC1155协议
+	InterfaceTypeUnknown = ""
+	InterfaceTypeERC20   = "erc20"
+	InterfaceTypeERC721  = "erc721"
+	InterfaceTypeERC1155 = "erc1155"
+)
+
 type SmartContract struct {
 	ContractID string `json:"contractID" storm:"id"` //计算ID：base64(sha256({symbol}_{address})) 主链symbol
 	Symbol     string `json:"symbol"`                //主币的symbol
@@ -97,20 +105,6 @@ type SmartContractReceipt struct {
 	Status      string                `json:"status"`          //@required 链上状态，0：失败，1：成功
 	Reason      string                `json:"reason"`          //失败原因，失败状态码
 	ExtParam    string                `json:"extParam"`        //扩展参数，用于调用智能合约，json结构
-
-	/*
-		例如：ETH 智能合约调用参数
-		{
-			"gasPrice": "0.000002",  						//自定义费率
-			"gasLimit": "50000000",  						//自定义燃料上限
-			"gasUsed": "32234",  							//实际使用燃料数
-			"senderAddress": "0x1234567abcdeffdcba4321", 	//支付交易单的地址
-			"contractAddress": "0xdeffdcba43211234567abc", 	//合约地址
-			"amount": "0.001", 								//转入合约主币数量
-			"callData": "deffdcba43211234567abc", 			//调用方法的ABI编码
-			"nonce": 1,  									//地址账户交易序号
-		}
-	*/
 }
 
 func (tx *SmartContractReceipt) GenWxID() {

openwallet/nft.go

@@ -0,0 +1,88 @@
+/*
+ * Copyright 2022 The OpenWallet Authors
+ * This file is part of the OpenWallet library.
+ *
+ * The OpenWallet library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * The OpenWallet library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ */
+
+package openwallet
+
+type NFT struct {
+	Symbol   string `json:"symbol"` //@required 主币的symbol
+	Address  string `json:"address"`
+	Token    string `json:"token"` //@required NFT的symbol
+	Protocol string `json:"protocol"`
+	Name     string `json:"name"`
+	TokenID  string `json:"tokenID"` //@required
+}
+
+type NFTBalance struct {
+	Contract *NFT
+	Balance  *string
+}
+
+// NFTEventType
+const (
+	NFTEventTypeTransferred = 0 //转账
+	NFTEventTypeMinted      = 1 //铸造
+	NFTEventTypeBurned      = 2 //销毁
+)
+
+type NFTTransfer struct {
+	Tokens    []NFT    `json:"tokens"`    //@required nft
+	Operator  string   `json:"operator"`  //required 被授权转账的操作者
+	From      string   `json:"from"`      //@required 发送者
+	To        string   `json:"to"`        //@required 接受者
+	Amounts   []string `json:"amounts"`   //@required erc1155 token有数量
+	EventType uint64   `json:"eventType"` //@required
+}
+
+type NFTApproval struct {
+	Token    *NFT   `json:"token"`    //@required nft
+	Owner    string `json:"owner"`    //@required nft拥有者
+	Operator string `json:"operator"` //required 被授权的操作者
+	IsAll    bool   `json:"isAll"`    //@required 是否全部NFT，true：token = null，false，token = *NFT
+}
+
+//NFTContractDecoder NFT智能合约解析器
+type NFTContractDecoder interface {
+	//GetNFTBalanceByAddress 查询地址NFT余额列表
+	GetNFTBalanceByAddress(contract []*NFT, owner []string) ([]*NFTBalance, *Error)
+	//GetNFTOwnerByTokenID 查询地址token的拥有者
+	GetNFTOwnerByTokenID(contract *NFT) (string, *Error)
+	//GetMetaDataOfNFT 查询NFT的MetaData
+	GetMetaDataOfNFT(contract *NFT) (string, *Error)
+	//GetNFTTransfer 从event解析NFT转账信息
+	GetNFTTransfer(event *SmartContractEvent) (*NFTTransfer, *Error)
+}
+
+type NFTContractDecoderBase struct {
+}
+
+//GetNFTBalanceByAddress 查询地址NFT余额列表
+func (decoder *NFTContractDecoderBase) GetNFTBalanceByAddress(contract []*NFT, owner []string) ([]*NFTBalance, *Error) {
+	return nil, Errorf(ErrSystemException, "GetNFTBalanceByAddress not implement")
+}
+
+//GetNFTOwnerByTokenID 查询地址token的拥有者
+func (decoder *NFTContractDecoderBase) GetNFTOwnerByTokenID(contract *NFT) (string, *Error) {
+	return "", Errorf(ErrSystemException, "GetNFTBalanceByAddress not implement")
+}
+
+//GetMetaDataOfNFT 查询NFT的MetaData
+func (decoder *NFTContractDecoderBase) GetMetaDataOfNFT(contract *NFT) (string, *Error) {
+	return "", Errorf(ErrSystemException, "GetNFTBalanceByAddress not implement")
+}
+
+//GetNFTTransfer 从event解析NFT转账信息
+func (decoder *NFTContractDecoderBase) GetNFTTransfer(event *SmartContractEvent) (*NFTTransfer, *Error) {
+	return nil, Errorf(ErrSystemException, "GetNFTBalanceByAddress not implement")
+}