模仿以太坊 ERC20 规范的 Hyperledger Fabric 实现 Token 通证

合约:

package main 

/* 
--------------------------------------------------
Author: netkiller 
Home: http://www.netkiller.cn
Data: 2018-03-20 11:00 PM
--------------------------------------------------

CORE_PEER_ADDRESS=peer:7051 CORE_CHAINCODE_ID_NAME=token3:1.0 chaincode/token/token3

peer chaincode install -n token3 -v 1.0 -p chaincodedev/chaincode/token
peer chaincode instantiate -C myc -n token3 -v 1.0 -c '{"Args":[""]}' -P "OR ('Org1MSP.member','Org2MSP.member')"


peer chaincode invoke -C myc -n token3 -c '{"function":"createAccount","Args":["coinbase"]}'
peer chaincode invoke -C myc -n token3 -v 1.0 -c '{"function":"showAccount","Args":["coinbase"]}'
peer chaincode invoke -C myc -n token3 -c '{"function":"balanceAll","Args":["coinbase"]}'

peer chaincode invoke -C myc -n token3 -c '{"function":"initCurrency","Args":["Netkiller Token","NKC","1000000","coinbase"]}'
peer chaincode invoke -C myc -n token3 -c '{"function":"initCurrency","Args":["NEO Token","NEC","1000000","coinbase"]}'

peer chaincode invoke -C myc -n token3 -c '{"function":"setLock","Args":["true"]}'
peer chaincode invoke -C myc -n token3 -c '{"function":"setLock","Args":["false"]}'

peer chaincode invoke -C myc -n token3 -c '{"function":"mintToken","Args":["NKC","5000","coinbase"]}'

peer chaincode invoke -C myc -n token3 -c '{"function":"createAccount","Args":["netkiller"]}'
peer chaincode invoke -C myc -n token3 -c '{"function":"transferToken","Args":["coinbase","netkiller","NKC","100"]}'		
peer chaincode invoke -C myc -n token3 -c '{"function":"balance","Args":["netkiller","NKC"]}'

peer chaincode invoke -C myc -n token3 -c '{"function":"frozenAccount","Args":["netkiller","true"]}'

--------------------------------------------------

*/

import (
	"encoding/json"
	"fmt"
	"strconv"

	"github.com/hyperledger/fabric/core/chaincode/shim"
	pb "github.com/hyperledger/fabric/protos/peer"
)

type Msg struct{
	Status 	bool	`json:"Status"`
	Code 	int		`json:"Code"`
	Message string	`json:"Message"`
}

type Currency struct{
	TokenName 		string	`json:"TokenName"`
	TokenSymbol 	string	`json:"TokenSymbol"`
	TotalSupply 	float64	`json:"TotalSupply"`
}

type Token struct {
	Lock		bool	`json:"Lock"`
	Currency	map[string]Currency	`json:"Currency"`
}

func (token *Token) transfer (_from *Account, _to *Account, _currency string, _value float64) []byte{

	var rev []byte
	if (token.Lock){
		msg := &Msg{Status: false, Code: 0, Message: "锁仓状态,停止一切转账活动"}
		rev, _ = json.Marshal(msg)
		return rev
	}
	if(_from.Frozen ) {
		msg := &Msg{Status: false, Code: 0, Message: "From 账号冻结"}
		rev, _ = json.Marshal(msg)
		return rev
	}
	if( _to.Frozen) {
		msg := &Msg{Status: false, Code: 0, Message: "To 账号冻结"}
		rev, _ = json.Marshal(msg)
		return rev
	}
	if(!token.isCurrency(_currency)){
		msg := &Msg{Status: false, Code: 0, Message: "货币符号不存在"}
		rev, _ = json.Marshal(msg)
		return rev
	}
	if(_from.BalanceOf[_currency] >= _value){
		_from.BalanceOf[_currency] -= _value;
		_to.BalanceOf[_currency] += _value;

		msg := &Msg{Status: true, Code: 0, Message: "转账成功"}
		rev, _ = json.Marshal(msg)
		return rev
	}else{
		msg := &Msg{Status: false, Code: 0, Message: "余额不足"}
		rev, _ = json.Marshal(msg)
		return rev
	}
	
}
func (token *Token) initialSupply(_name string, _symbol string, _supply float64, _account *Account) []byte{
	if _,ok := token.Currency[_symbol]; ok {
		msg := &Msg{Status: false, Code: 0, Message: "代币已经存在"}
		rev, _ := json.Marshal(msg)
		return rev
	}

	if _account.BalanceOf[_symbol] > 0 {
		msg := &Msg{Status: false, Code: 0, Message: "账号中存在代币"}
		rev, _ := json.Marshal(msg)
		return rev
	}else{
		token.Currency[_symbol] = Currency{TokenName: _name, TokenSymbol: _symbol, TotalSupply: _supply}
		_account.BalanceOf[_symbol] = _supply

		msg := &Msg{Status: true, Code: 0, Message: "代币初始化成功"}
		rev, _ := json.Marshal(msg)
		return rev
	}

}

func (token *Token) mint(_currency string, _amount float64, _account *Account) []byte{
	if(!token.isCurrency(_currency)){
		msg := &Msg{Status: false, Code: 0, Message: "货币符号不存在"}
		rev, _ := json.Marshal(msg)
		return rev
	}
	cur := token.Currency[_currency]
	cur.TotalSupply += _amount;
	token.Currency[_currency] = cur
	_account.BalanceOf[_currency] += _amount;

	msg := &Msg{Status: true, Code: 0, Message: "代币增发成功"}
	rev, _ := json.Marshal(msg)
	return rev
	
}
func (token *Token) burn(_currency string, _amount float64, _account *Account) []byte{
	if(!token.isCurrency(_currency)){
		msg := &Msg{Status: false, Code: 0, Message: "货币符号不存在"}
		rev, _ := json.Marshal(msg)
		return rev
	}
	if(token.Currency[_currency].TotalSupply >= _amount){
		cur := token.Currency[_currency]
		cur.TotalSupply -= _amount;
		token.Currency[_currency] = cur
		_account.BalanceOf[_currency] -= _amount;

		msg := &Msg{Status: false, Code: 0, Message: "代币回收成功"}
		rev, _ := json.Marshal(msg)
		return rev
	}else{
		msg := &Msg{Status: false, Code: 0, Message: "代币回收失败,回收额度不足"}
		rev, _ := json.Marshal(msg)
		return rev
	}
	
}
func (token *Token) isCurrency(_currency string) bool {
	if _, ok := token.Currency[_currency]; ok {
		return true
	}else{
		return false
	}
}
func (token *Token) setLock(_look bool) bool {
	token.Lock = _look
	return token.Lock
}
type Account struct {
	Name			string	`json:"Name"`
	Frozen			bool	`json:"Frozen"`
	BalanceOf		map[string]float64	`json:"BalanceOf"`
}
func (account *Account) balance (_currency string) map[string]float64{
	bal	:= map[string]float64{_currency:account.BalanceOf[_currency]}
	return bal
}

func (account *Account) balanceAll() map[string]float64{
	return account.BalanceOf
}

// -----------
const TokenKey = "Token"

// Define the Smart Contract structure
type SmartContract struct {
	
}

func (s *SmartContract) Init(stub shim.ChaincodeStubInterface) pb.Response {

	token := &Token{Currency: map[string]Currency{}}

	tokenAsBytes, err := json.Marshal(token)
	err = stub.PutState(TokenKey, tokenAsBytes)
	if err != nil {
		return shim.Error(err.Error())
	}else{
		fmt.Printf("Init Token %s \n", string(tokenAsBytes))
	}
	return shim.Success(nil)
}

func (s *SmartContract) Query(stub shim.ChaincodeStubInterface) pb.Response {
	function, args := stub.GetFunctionAndParameters()
	if function == "balance" {
		return s.balance(stub, args)
	} else if function == "balanceAll" {
		return s.balanceAll(stub, args)
	} else if function == "showAccount" {
		return s.showAccount(stub, args)
	}
	return shim.Error("Invalid Smart Contract function name.")
}

func (s *SmartContract) Invoke(stub shim.ChaincodeStubInterface) pb.Response {

	// Retrieve the requested Smart Contract function and arguments
	function, args := stub.GetFunctionAndParameters()
	// Route to the appropriate handler function to interact with the ledger appropriately
	if function == "initLedger" {
		return s.initLedger(stub, args)
	} else if function == "createAccount" {
		return s.createAccount(stub, args)
	} else if function == "initCurrency" {
		return s.initCurrency(stub, args)
	} else if function == "setLock" {
		return s.setLock(stub, args)
	} else if function == "transferToken" {
		return s.transferToken(stub, args)
	} else if function == "frozenAccount" {
		return s.frozenAccount(stub, args)
	} else if function == "mintToken" {
		return s.mintToken(stub, args)
	} else if function == "balance" {
		return s.balance(stub, args)
	} else if function == "balanceAll" {
		return s.balanceAll(stub, args)
	} else if function == "showAccount" {
		return s.showAccount(stub, args)
	} else if function == "showToken" {
		return s.showToken(stub, args)
	}

	return shim.Error("Invalid Smart Contract function name.")
}

func (s *SmartContract) createAccount(stub shim.ChaincodeStubInterface, args []string) pb.Response {

	if len(args) != 1 {
		return shim.Error("Incorrect number of arguments. Expecting 1")
	}

	key  := args[0]
	name  := args[0]
	existAsBytes,err := stub.GetState(key)
	fmt.Printf("GetState(%s) %s \n", key, string(existAsBytes))
	if string(existAsBytes) != "" {
		fmt.Println("Failed to create account, Duplicate key.")
		return shim.Error("Failed to create account, Duplicate key.")
	}

	account := Account{
		Name: name,
		Frozen: false,
		BalanceOf: map[string]float64{}}

	accountAsBytes, _ := json.Marshal(account)
	err = stub.PutState(key, accountAsBytes)
	if err != nil {
		return shim.Error(err.Error())
	}
	fmt.Printf("createAccount %s \n", string(accountAsBytes))

	return shim.Success(accountAsBytes)
}
func (s *SmartContract) initLedger(stub shim.ChaincodeStubInterface, args []string) pb.Response {
	return shim.Success(nil)
}
func (s *SmartContract) showToken(stub shim.ChaincodeStubInterface, args []string) pb.Response {
	tokenAsBytes,err := stub.GetState(TokenKey)
	if err != nil {
		return shim.Error(err.Error())
	}else{
		fmt.Printf("GetState(%s)) %s \n", TokenKey, string(tokenAsBytes))
	}
	return shim.Success(tokenAsBytes)
}

func (s *SmartContract) initCurrency(stub shim.ChaincodeStubInterface, args []string) pb.Response {
	if len(args) != 4 {
		return shim.Error("Incorrect number of arguments. Expecting 4")
	}

	_name  := args[0]
	_symbol:= args[1]
	_supply,_:= strconv.ParseFloat(args[2], 64)
	_account := args[3]

	coinbaseAsBytes,err := stub.GetState(_account)
	if err != nil {
		return shim.Error(err.Error())
	}
	fmt.Printf("Coinbase before %s \n", string(coinbaseAsBytes))

	coinbase := &Account{}

	json.Unmarshal(coinbaseAsBytes, &coinbase)

	token := Token{}
	existAsBytes,err := stub.GetState(TokenKey)
	if err != nil {
		return shim.Error(err.Error())
	}else{
		fmt.Printf("GetState(%s)) %s \n", TokenKey, string(existAsBytes))
	}
	json.Unmarshal(existAsBytes, &token)
	
	result := token.initialSupply(_name,_symbol,_supply, coinbase)

	tokenAsBytes, _ := json.Marshal(token)
	err = stub.PutState(TokenKey, tokenAsBytes)
	if err != nil {
		return shim.Error(err.Error())
	}else{
		fmt.Printf("Init Token %s \n", string(tokenAsBytes))
	}

	coinbaseAsBytes, _ = json.Marshal(coinbase)
	err = stub.PutState(_account, coinbaseAsBytes)
	if err != nil {
		return shim.Error(err.Error())
	}
	fmt.Printf("Coinbase after %s \n", string(coinbaseAsBytes))

	

	return shim.Success(result)
}

func (s *SmartContract) transferToken(stub shim.ChaincodeStubInterface, args []string) pb.Response {

	if len(args) != 4 {
		return shim.Error("Incorrect number of arguments. Expecting 4")
	}
	_from 		:= args[0]
	_to			:= args[1]
	_currency 	:= args[2]
	_amount,_	:= strconv.ParseFloat(args[3], 32)
	
	if(_amount <= 0){
		return shim.Error("Incorrect number of amount")
	}

	fromAsBytes,err := stub.GetState(_from)
	if err != nil {
		return shim.Error(err.Error())
	}
	fmt.Printf("fromAccount %s \n", string(fromAsBytes))
	fromAccount := &Account{}
	json.Unmarshal(fromAsBytes, &fromAccount)

	toAsBytes,err := stub.GetState(_to)
	if err != nil {
		return shim.Error(err.Error())
	}
	fmt.Printf("toAccount %s \n", string(toAsBytes))
	toAccount := &Account{}
	json.Unmarshal(toAsBytes, &toAccount)

	tokenAsBytes,err := stub.GetState(TokenKey)
	if err != nil {
		return shim.Error(err.Error())
	}
	fmt.Printf("Token %s \n", string(toAsBytes))
	token := Token{Currency: map[string]Currency{}}
	json.Unmarshal(tokenAsBytes, &token)

	result := token.transfer(fromAccount, toAccount, _currency, _amount)
	fmt.Printf("Result %s \n", string(result))

	fromAsBytes, err = json.Marshal(fromAccount)
	if err != nil {
		return shim.Error(err.Error())
	}
	err = stub.PutState(_from, fromAsBytes)
	if err != nil {
		return shim.Error(err.Error())
	}else{
		fmt.Printf("fromAccount %s \n", string(fromAsBytes))
	}

	toAsBytes, err = json.Marshal(toAccount)
	if err != nil {
		return shim.Error(err.Error())
	}
	err = stub.PutState(_to, toAsBytes)
	if err != nil {
		return shim.Error(err.Error())
	}else{
		fmt.Printf("toAccount %s \n", string(toAsBytes))
	}

	return shim.Success(result)
}
func (s *SmartContract) mintToken(stub shim.ChaincodeStubInterface, args []string) pb.Response {
	
	if len(args) != 3 {
		return shim.Error("Incorrect number of arguments. Expecting 3")
	}
	_currency 	:= args[0]
	_amount,_	:= strconv.ParseFloat(args[1], 32)
	_account	:= args[2]

	coinbaseAsBytes,err := stub.GetState(_account)
	if err != nil {
		return shim.Error(err.Error())
	}else{
		fmt.Printf("Coinbase before %s \n", string(coinbaseAsBytes))
	}

	coinbase := &Account{}
	json.Unmarshal(coinbaseAsBytes, &coinbase)

	tokenAsBytes,err := stub.GetState(TokenKey)
	if err != nil {
		return shim.Error(err.Error())
	}
	fmt.Printf("Token before %s \n", string(tokenAsBytes))

	token := Token{}

	json.Unmarshal(tokenAsBytes, &token)
	
	result := token.mint(_currency, _amount, coinbase)

	tokenAsBytes, err = json.Marshal(token)
	if err != nil {
		return shim.Error(err.Error())
	}
	err = stub.PutState(TokenKey, tokenAsBytes)
	if err != nil {
		return shim.Error(err.Error())
	}
	fmt.Printf("Token after %s \n", string(tokenAsBytes))

	coinbaseAsBytes, _ = json.Marshal(coinbase)
	err = stub.PutState(_account, coinbaseAsBytes)
	if err != nil {
		return shim.Error(err.Error())
	}else{
		fmt.Printf("Coinbase after %s \n", string(coinbaseAsBytes))
	}

	fmt.Printf("mintToken %s \n", string(tokenAsBytes))

	return shim.Success(result)
}

func (s *SmartContract) setLock(stub shim.ChaincodeStubInterface, args []string) pb.Response {
	
	if len(args) != 1 {
		return shim.Error("Incorrect number of arguments. Expecting 2")
	}

	_look := args[0]

	tokenAsBytes,err := stub.GetState(TokenKey)
	if err != nil {
		return shim.Error(err.Error())
	}
	// fmt.Printf("setLock - begin %s \n", string(tokenAsBytes))

	token := Token{}

	json.Unmarshal(tokenAsBytes, &token)

	if(_look == "true"){
		token.setLock(true)
	}else{
		token.setLock(false)
	}

	tokenAsBytes, err = json.Marshal(token)
	if err != nil {
		return shim.Error(err.Error())
	}
	err = stub.PutState(TokenKey, tokenAsBytes)
	if err != nil {
		return shim.Error(err.Error())
	}
	fmt.Printf("setLock - end %s \n", string(tokenAsBytes))

	return shim.Success(nil)
}
func (s *SmartContract) frozenAccount(stub shim.ChaincodeStubInterface, args []string) pb.Response {
	
	if len(args) != 2 {
		return shim.Error("Incorrect number of arguments. Expecting 2")
	}

	_account	:= args[0]
	_status		:= args[1]

	accountAsBytes,err := stub.GetState(_account)
	if err != nil {
		return shim.Error(err.Error())
	}
	// fmt.Printf("setLock - begin %s \n", string(tokenAsBytes))

	account := Account{}

	json.Unmarshal(accountAsBytes, &account)

	var status bool
	if(_status == "true"){
		status = true;
	}else{
		status = false
	}

	account.Frozen = status
	
	accountAsBytes, err = json.Marshal(account)
	if err != nil {
		return shim.Error(err.Error())
	}
	err = stub.PutState(_account, accountAsBytes)
	if err != nil {
		return shim.Error(err.Error())
	}else{
		fmt.Printf("frozenAccount - end %s \n", string(accountAsBytes))
	}

	return shim.Success(nil)
}

func (s *SmartContract) showAccount(stub shim.ChaincodeStubInterface, args []string) pb.Response {

	if len(args) != 1 {
		return shim.Error("Incorrect number of arguments. Expecting 1")
	}
	_account 	:= args[0]

	accountAsBytes,err := stub.GetState(_account)
	if err != nil {
		return shim.Error(err.Error())
	}else{
		fmt.Printf("Account balance %s \n", string(accountAsBytes))
	}
	return shim.Success(accountAsBytes)
}

func (s *SmartContract) balance(stub shim.ChaincodeStubInterface, args []string) pb.Response {

	if len(args) != 2 {
		return shim.Error("Incorrect number of arguments. Expecting 1")
	}
	_account 	:= args[0]
	_currency 	:= args[1]

	accountAsBytes,err := stub.GetState(_account)
	if err != nil {
		return shim.Error(err.Error())
	}else{
		fmt.Printf("Account balance %s \n", string(accountAsBytes))
	}

	account := Account{}
	json.Unmarshal(accountAsBytes, &account)
	result := account.balance(_currency)

	resultAsBytes, _ := json.Marshal(result)
	fmt.Printf("%s balance is %s \n", _account, string(resultAsBytes))	

	return shim.Success(resultAsBytes)
}

func (s *SmartContract) balanceAll(stub shim.ChaincodeStubInterface, args []string) pb.Response {

	if len(args) != 1 {
		return shim.Error("Incorrect number of arguments. Expecting 1")
	}
	_account 	:= args[0]

	accountAsBytes,err := stub.GetState(_account)
	if err != nil {
		return shim.Error(err.Error())
	}else{
		fmt.Printf("Account balance %s \n", string(accountAsBytes))
	}

	account := Account{}
	json.Unmarshal(accountAsBytes, &account)
	result := account.balanceAll()
	resultAsBytes, _ := json.Marshal(result)
	fmt.Printf("%s balance is %s \n", _account, string(resultAsBytes))	

	return shim.Success(resultAsBytes)
}

// The main function is only relevant in unit test mode. Only included here for completeness.
func main() {

	// Create a new Smart Contract
	err := shim.Start(new(SmartContract))
	if err != nil {
		fmt.Printf("Error creating new Smart Contract: %s", err)
	}
}

测试日志:

2018-03-20 14:46:11.957 UTC [shim] SetupChaincodeLogging -> INFO 001 Chaincode log level not provided; defaulting to: INFO
2018-03-20 14:46:11.957 UTC [shim] SetupChaincodeLogging -> INFO 002 Chaincode (build level: ) starting up ...
Coinbase before {"Name":"jam","Frozen":false,"BalanceOf":{"BBC":10000,"CCE":10000,"EJB":4000,"NBA":999900}} 
Token before {"Lock":false,"Currency":{"BBC":{"TokenName":"NEO Token","TokenSymbol":"BBC","TotalSupply":10000},"CCE":{"TokenName":"NEO Token","TokenSymbol":"CCE","TotalSupply":10000},"EJB":{"TokenName":"NEO Token","TokenSymbol":"EJB","TotalSupply":20000},"K8":{"TokenName":"888","TokenSymbol":"K8","TotalSupply":1000000},"NBA":{"TokenName":"NEO Token","TokenSymbol":"NBA","TotalSupply":1000000},"NEC":{"TokenName":"NEO Token","TokenSymbol":"NEC","TotalSupply":1000000},"NKC":{"TokenName":"Netkiller Token","TokenSymbol":"NKC","TotalSupply":1005000},"NKCKK":{"TokenName":"Netkillersss","TokenSymbol":"NKCKK","TotalSupply":1000000},"TTC":{"TokenName":"NEO Token","TokenSymbol":"TTC","TotalSupply":1000000}}} 
Token after {"Lock":false,"Currency":{"BBC":{"TokenName":"NEO Token","TokenSymbol":"BBC","TotalSupply":10000},"CCE":{"TokenName":"NEO Token","TokenSymbol":"CCE","TotalSupply":10000},"EJB":{"TokenName":"NEO Token","TokenSymbol":"EJB","TotalSupply":24000},"K8":{"TokenName":"888","TokenSymbol":"K8","TotalSupply":1000000},"NBA":{"TokenName":"NEO Token","TokenSymbol":"NBA","TotalSupply":1000000},"NEC":{"TokenName":"NEO Token","TokenSymbol":"NEC","TotalSupply":1000000},"NKC":{"TokenName":"Netkiller Token","TokenSymbol":"NKC","TotalSupply":1005000},"NKCKK":{"TokenName":"Netkillersss","TokenSymbol":"NKCKK","TotalSupply":1000000},"TTC":{"TokenName":"NEO Token","TokenSymbol":"TTC","TotalSupply":1000000}}} 
Coinbase after {"Name":"jam","Frozen":false,"BalanceOf":{"BBC":10000,"CCE":10000,"EJB":8000,"NBA":999900}} 
mintToken {"Lock":false,"Currency":{"BBC":{"TokenName":"NEO Token","TokenSymbol":"BBC","TotalSupply":10000},"CCE":{"TokenName":"NEO Token","TokenSymbol":"CCE","TotalSupply":10000},"EJB":{"TokenName":"NEO Token","TokenSymbol":"EJB","TotalSupply":24000},"K8":{"TokenName":"888","TokenSymbol":"K8","TotalSupply":1000000},"NBA":{"TokenName":"NEO Token","TokenSymbol":"NBA","TotalSupply":1000000},"NEC":{"TokenName":"NEO Token","TokenSymbol":"NEC","TotalSupply":1000000},"NKC":{"TokenName":"Netkiller Token","TokenSymbol":"NKC","TotalSupply":1005000},"NKCKK":{"TokenName":"Netkillersss","TokenSymbol":"NKCKK","TotalSupply":1000000},"TTC":{"TokenName":"NEO Token","TokenSymbol":"TTC","TotalSupply":1000000}}} 
Account balance {"Name":"jam","Frozen":false,"BalanceOf":{"BBC":10000,"CCE":10000,"EJB":8000,"NBA":999900}} 
jam balance is {"BBC":10000,"CCE":10000,"EJB":8000,"NBA":999900} 
Coinbase before {"Name":"jam","Frozen":false,"BalanceOf":{"BBC":10000,"CCE":10000,"EJB":8000,"NBA":999900}} 
Token before {"Lock":false,"Currency":{"BBC":{"TokenName":"NEO Token","TokenSymbol":"BBC","TotalSupply":10000},"CCE":{"TokenName":"NEO Token","TokenSymbol":"CCE","TotalSupply":10000},"EJB":{"TokenName":"NEO Token","TokenSymbol":"EJB","TotalSupply":24000},"K8":{"TokenName":"888","TokenSymbol":"K8","TotalSupply":1000000},"NBA":{"TokenName":"NEO Token","TokenSymbol":"NBA","TotalSupply":1000000},"NEC":{"TokenName":"NEO Token","TokenSymbol":"NEC","TotalSupply":1000000},"NKC":{"TokenName":"Netkiller Token","TokenSymbol":"NKC","TotalSupply":1005000},"NKCKK":{"TokenName":"Netkillersss","TokenSymbol":"NKCKK","TotalSupply":1000000},"TTC":{"TokenName":"NEO Token","TokenSymbol":"TTC","TotalSupply":1000000}}} 
Token after {"Lock":false,"Currency":{"BBC":{"TokenName":"NEO Token","TokenSymbol":"BBC","TotalSupply":10000},"CCE":{"TokenName":"NEO Token","TokenSymbol":"CCE","TotalSupply":10000},"EJB":{"TokenName":"NEO Token","TokenSymbol":"EJB","TotalSupply":28000},"K8":{"TokenName":"888","TokenSymbol":"K8","TotalSupply":1000000},"NBA":{"TokenName":"NEO Token","TokenSymbol":"NBA","TotalSupply":1000000},"NEC":{"TokenName":"NEO Token","TokenSymbol":"NEC","TotalSupply":1000000},"NKC":{"TokenName":"Netkiller Token","TokenSymbol":"NKC","TotalSupply":1005000},"NKCKK":{"TokenName":"Netkillersss","TokenSymbol":"NKCKK","TotalSupply":1000000},"TTC":{"TokenName":"NEO Token","TokenSymbol":"TTC","TotalSupply":1000000}}} 
Coinbase after {"Name":"jam","Frozen":false,"BalanceOf":{"BBC":10000,"CCE":10000,"EJB":12000,"NBA":999900}} 
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Account balance {"Name":"jam","Frozen":false,"BalanceOf":{"BBC":10000,"CCE":10000,"EJB":8000,"NBA":999900}} 
jam balance is {"BBC":10000,"CCE":10000,"EJB":8000,"NBA":999900} 


Coinbase before {"Name":"jam","Frozen":false,"BalanceOf":{"BBC":10000,"CCE":10000,"EJB":12000,"NBA":999900}} 
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Account balance {"Name":"jam","Frozen":false,"BalanceOf":{"BBC":10000,"CCE":10000,"EJB":14000,"NBA":999900}} 
jam balance is {"BBC":10000,"CCE":10000,"EJB":14000,"NBA":999900} 
Coinbase before {"Name":"jam","Frozen":false,"BalanceOf":{"BBC":10000,"CCE":10000,"EJB":14000,"NBA":999900}} 
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frozenAccount - end {"Name":"netkiller","Frozen":true,"BalanceOf":{"NKC":300}} 
fromAccount {"Name":"jam","Frozen":false,"BalanceOf":{"BBC":10000,"CCE":10000,"EJB":20000,"NBA":999900}} 
toAccount {"Name":"netkiller","Frozen":true,"BalanceOf":{"NKC":300}} 
Token {"Name":"netkiller","Frozen":true,"BalanceOf":{"NKC":300}} 
Result {"Status":false,"Code":0,"Message":"To 账号冻结"} 
fromAccount {"Name":"jam","Frozen":false,"BalanceOf":{"BBC":10000,"CCE":10000,"EJB":20000,"NBA":999900}} 
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Result {"Status":true,"Code":0,"Message":"转账成功"} 
fromAccount {"Name":"jam","Frozen":false,"BalanceOf":{"BBC":10000,"CCE":10000,"EJB":19900,"NBA":999900}} 
toAccount {"Name":"netkiller","Frozen":false,"BalanceOf":{"EJB":100,"NKC":300}} 



Account balance {"Name":"netkiller","Frozen":false,"BalanceOf":{"EJB":100,"NKC":300}} 
netkiller balance is {"NKC":300} 
Account balance {"Name":"netkiller","Frozen":false,"BalanceOf":{"EJB":100,"NKC":300}} 
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netkiller balance is {"NKC":300} 
Coinbase before {"Name":"coinbase","Frozen":false,"BalanceOf":{"NKC":4600}} 
GetState(Token)) {"Lock":false,"Currency":{"BBC":{"TokenName":"NEO Token","TokenSymbol":"BBC","TotalSupply":10000},"CCE":{"TokenName":"NEO Token","TokenSymbol":"CCE","TotalSupply":10000},"EJB":{"TokenName":"NEO Token","TokenSymbol":"EJB","TotalSupply":36400},"K8":{"TokenName":"888","TokenSymbol":"K8","TotalSupply":1000000},"NAS":{"TokenName":"NAS Token","TokenSymbol":"NAS","TotalSupply":2000},"NBA":{"TokenName":"NEO Token","TokenSymbol":"NBA","TotalSupply":1000000},"NEC":{"TokenName":"NEO Token","TokenSymbol":"NEC","TotalSupply":1000000},"NKC":{"TokenName":"Netkiller Token","TokenSymbol":"NKC","TotalSupply":1005000},"NKCKK":{"TokenName":"Netkillersss","TokenSymbol":"NKCKK","TotalSupply":1000000},"TTC":{"TokenName":"NEO Token","TokenSymbol":"TTC","TotalSupply":1000000}}} 
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Coinbase after {"Name":"coinbase","Frozen":false,"BalanceOf":{"NKC":4600}} 




Coinbase before {"Name":"coinbase","Frozen":false,"BalanceOf":{"NKC":4600}} 
GetState(Token)) {"Lock":false,"Currency":{"BBC":{"TokenName":"NEO Token","TokenSymbol":"BBC","TotalSupply":10000},"CCE":{"TokenName":"NEO Token","TokenSymbol":"CCE","TotalSupply":10000},"EJB":{"TokenName":"NEO Token","TokenSymbol":"EJB","TotalSupply":36400},"K8":{"TokenName":"888","TokenSymbol":"K8","TotalSupply":1000000},"NAS":{"TokenName":"NAS Token","TokenSymbol":"NAS","TotalSupply":2000},"NBA":{"TokenName":"NEO Token","TokenSymbol":"NBA","TotalSupply":1000000},"NEC":{"TokenName":"NEO Token","TokenSymbol":"NEC","TotalSupply":1000000},"NKC":{"TokenName":"Netkiller Token","TokenSymbol":"NKC","TotalSupply":1005000},"NKCKK":{"TokenName":"Netkillersss","TokenSymbol":"NKCKK","TotalSupply":1000000},"TTC":{"TokenName":"NEO Token","TokenSymbol":"TTC","TotalSupply":1000000}}} 
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Coinbase after {"Name":"coinbase","Frozen":false,"BalanceOf":{"NKC":4600}} 

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