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erc20-token-on-hyperledger's Introduction

Techracers HyperLedger

This is an open source repository for writing simple, ERC20 based token Chaincode in HyperLedger, using Node.js.

You can use this repository to build distributed networks, using the widely tested and accepted ERC20 standard, in a HyperLedger Fabric environment:

NOTE: This repository assumes, you're already familiar with HyperLedger Fabric, and your system already has the prerequisites to start development on HyperLedger. If not, refer to prerequisites, key concepts and tutorials in HyperLedger documentation.

Getting Started

The code in this repository has been tested in the following environment:

  • Node: v8.9.3 and v8.11.4
  • Hyperledger fabric: v1.2
  • Docker: 18.06.1-ce
  • Python: 2.7.12
  • Go: go1.9.3 linux/amd64
  • Curl: 7.47.0

We would recommend using the same version, while adapting from our code.

After making sure the prerequisites are installed properly, follow the following steps:

cd path/to/repository/folder
cd network

Once you are in the network folder you can create our hyperledger network environment. It will create 2 organizations for you- Org1 and Org2 respectively, with an Orderer. Having 2 peers each.

Housekeeping

If it's your second time running this tutorial, or you have run any other HyperLedger Fabric based code, first run the following commands:

./buildERC20TokenNetwork.sh down

It will ask for a confirmation:

Stopping for channel 'mychannel' with CLI timeout of '10' seconds and CLI delay of '3' seconds
Continue? [Y/n]

Press Y and continue.

Note: You can always check how many containers or volumes of docker are up and running, using the following commands:

  • docker ps
  • docker volume ls

If you have problems in shutting down containers and volumes using the script, try running the following commands:

  • docker network prune
  • docker volume prune
  • docker rm -f $(docker ps -aq)

Token Network Setup

Once you're done with the Housekeeping, you are ready to start you network, use the following commands:

./buildERC20TokenNetwork.sh up
Starting for channel 'mychannel' with CLI timeout of '10' seconds and CLI delay of '3' seconds
Continue? [Y/n] Y
...

It may take some time to execute (usually between 90- 120 seconds, to execute). But if you see the following log in your terminal it executed successfully, and your network is ready to use.

========= All GOOD, execution completed ===========
 _____   _   _   ____
| ____| | \ | | |  _ \
|  _|   |  \| | | | | |
| |___  | |\  | | |_| |
|_____| |_| \_| |____/

It created the required certificates for each entity of HyperLedger using the crypto-config.yaml file, in a folder named crypto-config within your networks directory. Check it out!

It also created channel.tx, genesis.block, Org1MSPanchors.tx and Org1MSPanchors.tx.

Note: We cannot cover everything in this README, to understand the intricacies behind the process in detail go through this tutorial.

It also created docker containers and volumes for:

  • peer0 and peer1 or Org1
  • peer0 and peer1 of Org2
  • orderer
  • cli
  • chaincode

Check them using docker ps and docker volume ls. We also created a channel name mychannel between Org1 and Org2, both the peers of each org are a part of this channel. Then installed our chaincode on peer0 of each org and instantiated our chaincode, naming it mycc. You can see the logs of respective peer/chaincode using:

docker logs <peer identity> // type peer and then tab to see your options
docker logs <chaincode identity> // type dev and then tab to see your options

Note: For debugging you can access your chaincode and peers logs docker logs <press TAB to see options>; and If you don't see a container for chaincode (dev-peer0.org1.techracers.com-mycc-1.0) then there was a problem instantiating our token chaincode.

Let's play with our token

Now that our chaincode is up and running let's try some getter and setter functions to understand it in a better way. For that we need to enter the CLI container we created.

docker exec -it cli bash

Now you'll see something like this:

root@0e2b84a5cedc:/opt/gopath/src/github.com/hyperledger/fabric/peer#

Getter functions

Once you're in the CLI you can call the getter functions provided in our SimpleToken. We'll discuss each one of them accessible to you one by one:

getOwner

This function will return the owner of the token contract. Now it is the MSPID which instantiated the contract, , you can see it here.

peer chaincode query -C mychannel -n mycc -c '{"Args":["getOwner"]}'
Org1MSP

Here mychannel is our channel name and mycc is the name of our chaincode, and as you can see Org1MSP is the current owner of our chaincode.

getName

This function will return the name of our token contract. It was set to Simple Token while instantiating the contract, you can see it here.

peer chaincode query -C mychannel -n mycc -c '{"Args":["getName"]}'
Simple Token

As you can see Simple Token is our current token name.

getSymbol

This function will return the symbol for our token contract. It was set to SMT while instantiating the contract, you can see it here.

peer chaincode query -C mychannel -n mycc -c '{"Args":["getSymbol"]}'
SMT

As you can see SMT is our current token symbol.

getTotalSupply

This function will return the total supply for our token contract. It defaults to 0 until it is set once. You can find the required logic here.

peer chaincode query -C mychannel -n mycc -c '{"Args":["getTotalSupply"]}'
0

As you can see 0 is our current total supply.

isMintingAllowed

This getter returns the value of isMintingAllowed boolean stored on HyperLedger. It defaults to undefined until it is set once. You can find the required logic here.

peer chaincode query -C mychannel -n mycc -c '{"Args":["isMintingAllowed"]}'
undefined

As you can see isMintingAllowed is now, undefined. It will return true or false once set later.

getAllowance

This getter returns the value of allowance set by a token owner for a spender MSPID. It takes as Input the MSPID token owner as first argument and MSPID of spender as second argument. It defaults to 0 until it is set once. You can find the required logic here.

peer chaincode query -C mychannel -n mycc -c '{"Args":["getAllowance", "Org1MSP", "Org2MSP"]}'
0

As you can see getAllowance is now, 0. It will return float once set later. Lets also check for the other combination we have and see if it returns 0.

peer chaincode query -C mychannel -n mycc -c '{"Args":["getAllowance", "Org2MSP", "Org1MSP"]}'
0

getBalanceOf

Our last getter is getBalanceOf function, it returns the token balance of every MSPID we enter. It also defaults to 0 if the MSPID don't have any token balance.

peer chaincode query -C mychannel -n mycc -c '{"Args":["getBalanceOf", "Org1MSP"]}'
0
peer chaincode query -C mychannel -n mycc -c '{"Args":["getBalanceOf", "Org2MSP"]}'
0

You can checkout the required code here.

Setter functions

Once you're done with the getter calls let's explore the setter functions provided in our SimpleToken. Remember you will need to satisfy the endorsement policy before you can make these transactions happen, so you will see some extra fields here. It will also take some time when a setter is called for the first time to a specific peer, later it returns results almost instantaneously. Also right now the CLI's configuration is set to Org1 peer0, you can check it using:

echo $CORE_PEER_ADDRESS
peer0.org1.techracers.com:7051

You can change to peer0, Org2 by running the following commands:

export CORE_PEER_MSPCONFIGPATH=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.techracers.com/users/[email protected]/msp

export CORE_PEER_ADDRESS=peer0.org2.techracers.com:7051

export CORE_PEER_LOCALMSPID="Org2MSP"

export CORE_PEER_TLS_ROOTCERT_FILE=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.techracers.com/peers/peer0.org2.techracers.com/tls/ca.crt

Use a similar strategy for other peers.

updateMintingState

We assume your config is set to peer0 of org1, otherwise set it using the following commands:

export CORE_PEER_MSPCONFIGPATH=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.techracers.com/users/[email protected]/msp

export CORE_PEER_ADDRESS=peer0.org1.techracers.com:7051

export CORE_PEER_LOCALMSPID="Org1MSP"

export CORE_PEER_TLS_ROOTCERT_FILE=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.techracers.com/peers/peer0.org1.techracers.com/tls/ca.crt

Now let's try to update our minting state to true. We need to specify the Orderer and the peers to satisfy our endorsement policy.

Note: If you're following this tutoria;l this will be your first invocation so it will take some time.

peer chaincode invoke -o orderer.techracers.com:7050 --tls true --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/techracers.com/orderers/orderer.techracers.com/msp/tlscacerts/tlsca.techracers.com-cert.pem -C mychannel -n mycc --peerAddresses peer0.org1.techracers.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.techracers.com/peers/peer0.org1.techracers.com/tls/ca.crt --peerAddresses peer0.org2.techracers.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.techracers.com/peers/peer0.org2.techracers.com/tls/ca.crt -c '{"Args":["updateMintingState","true"]}'

2018-09-07 11:37:51.688 UTC [chaincodeCmd] chaincodeInvokeOrQuery -> INFO 001 Chaincode invoke successful. result: status:200

Now run the getter to see if it actually changed:

peer chaincode query -C mychannel -n mycc -c '{"Args":["isMintingAllowed"]}'
true

Note: If you call it using peer0 of Org2, it will fail with the following result:

Error: endorsement failure during invoke. chaincode result: <nil>

You can open another Terminal and check the error logs as follows:

docker logs dev-peer0.org2.techracers.com-mycc-1.0

> [email protected] start /usr/local/src
> node tokenChaincode.js "--peer.address" "peer0.org2.techracers.com:7052"

E0907 11:37:51.462891616      19 ssl_transport_security.cc:238] Could not get common name of subject fromcertificate.
========= Token chaincode Invoke =========
========= Calling Function updateMintingState =========
========= Token chaincode Invoke =========
========= Calling Function updateMintingState =========
Error: Function only accessible to token owner: Org1MSP.
    at _throw (/usr/local/src/helpers/validations.js:74:9)
    at Function.checkCallerIsOwner (/usr/local/src/helpers/validations.js:62:7)
    at updateMintingState (/usr/local/src/tokens/MintableToken.js:32:17)
    at <anonymous>
    at process._tickCallback (internal/process/next_tick.js:188:7)
2018-09-07T11:40:45.711Z ERROR [lib/handler.js] [mychannel-0e379835]Calling chaincode Invoke() returned error response [Error: Function only accessible to token owner: Org1MSP.]. Sending ERROR message back to peer

Note: You can enquire about other errors in a similar fashion, just be sure you are hitting the right peer.

If you want to know more about other validations you can check the chaincode here.

mint

This function can be used to create/mint tokens by the token owner. But isMintingAllowed should be set to true. Let's mint some tokens for Org1MSP. Make sure your config is set to Token Owner.

peer chaincode invoke -o orderer.techracers.com:7050 --tls true --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/techracers.com/orderers/orderer.techracers.com/msp/tlscacerts/tlsca.techracers.com-cert.pem -C mychannel -n mycc --peerAddresses peer0.org1.techracers.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.techracers.com/peers/peer0.org1.techracers.com/tls/ca.crt --peerAddresses peer0.org2.techracers.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.techracers.com/peers/peer0.org2.techracers.com/tls/ca.crt -c '{"Args":["mint","Org1MSP", "100.2345"]}'

2018-09-07 11:58:15.951 UTC [chaincodeCmd] chaincodeInvokeOrQuery -> INFO 001 Chaincode invoke successful. result: status:200

You can check the balance using our getter:

peer chaincode query -C mychannel -n mycc -c '{"Args":["getBalanceOf", "Org1MSP"]}'
100.2345

If you experience errors troubleshoot them using docker log and you can find the chaincode here.

transfer

Now we know that we have 100.2345 tokens registered under Org1MSP. Let's try to transfer 10 tokens to Org2MSP.

peer chaincode invoke -o orderer.techracers.com:7050 --tls true --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/techracers.com/orderers/orderer.techracers.com/msp/tlscacerts/tlsca.techracers.com-cert.pem -C mychannel -n mycc --peerAddresses peer0.org1.techracers.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.techracers.com/peers/peer0.org1.techracers.com/tls/ca.crt --peerAddresses peer0.org2.techracers.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.techracers.com/peers/peer0.org2.techracers.com/tls/ca.crt -c '{"Args":["transfer","Org2MSP", "10"]}'

2018-09-07 12:09:37.441 UTC [chaincodeCmd] chaincodeInvokeOrQuery -> INFO 001 Chaincode invoke successful. result: status:200

You can check Org2's balance using:

peer chaincode query -C mychannel -n mycc -c '{"Args":["getBalanceOf", "Org2MSP"]}'
10

If you experience errors troubleshoot them using docker log and you can find the chaincode here.

updateTokenName

You can update the token name using this setter.

peer chaincode invoke -o orderer.techracers.com:7050 --tls true --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/techracers.com/orderers/orderer.techracers.com/msp/tlscacerts/tlsca.techracers.com-cert.pem -C mychannel -n mycc --peerAddresses peer0.org1.techracers.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.techracers.com/peers/peer0.org1.techracers.com/tls/ca.crt --peerAddresses peer0.org2.techracers.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.techracers.com/peers/peer0.org2.techracers.com/tls/ca.crt -c '{"Args":["updateTokenName","TECH COIN"]}'

2018-09-07 12:12:45.255 UTC [chaincodeCmd] chaincodeInvokeOrQuery -> INFO 001 Chaincode invoke successful. result: status:200

Check it using:

peer chaincode query -C mychannel -n mycc -c '{"Args":["getName"]}'
TECH COIN

If you experience errors troubleshoot them using docker log and you can find the chaincode here.

updateTokenSymbol

You can update the token symbol using this setter.

peer chaincode invoke -o orderer.techracers.com:7050 --tls true --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/techracers.com/orderers/orderer.techracers.com/msp/tlscacerts/tlsca.techracers.com-cert.pem -C mychannel -n mycc --peerAddresses peer0.org1.techracers.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.techracers.com/peers/peer0.org1.techracers.com/tls/ca.crt --peerAddresses peer0.org2.techracers.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.techracers.com/peers/peer0.org2.techracers.com/tls/ca.crt -c '{"Args":["updateTokenSymbol","TEC"]}'

2018-09-07 12:15:11.390 UTC [chaincodeCmd] chaincodeInvokeOrQuery -> INFO 001 Chaincode invoke successful. result: status:200

Check it using:

peer chaincode query -C mychannel -n mycc -c '{"Args":["getSymbol"]}'
TEC

If you experience errors troubleshoot them using docker log and you can find the chaincode here.

updateApproval

If you want some other MSPID to spend some tokens on your behalf you can use this setter.

peer chaincode invoke -o orderer.techracers.com:7050 --tls true --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/techracers.com/orderers/orderer.techracers.com/msp/tlscacerts/tlsca.techracers.com-cert.pem -C mychannel -n mycc --peerAddresses peer0.org1.techracers.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.techracers.com/peers/peer0.org1.techracers.com/tls/ca.crt --peerAddresses peer0.org2.techracers.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.techracers.com/peers/peer0.org2.techracers.com/tls/ca.crt -c '{"Args":["updateApproval","Org2MSP", "30"]}'

2018-09-07 12:18:19.068 UTC [chaincodeCmd] chaincodeInvokeOrQuery -> INFO 001 Chaincode invoke successful. result: status:200

Check it using:

peer chaincode query -C mychannel -n mycc -c '{"Args":["getAllowance", "Org1MSP", "Org2MSP"]}'
30

If you experience errors troubleshoot them using docker log and you can find the chaincode here.

transferFrom

Once you have approved Org2 to transfer on behalf of Org1. First set the config in cli for Org2, so you can call functions on its behalf.

export CORE_PEER_MSPCONFIGPATH=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.techracers.com/users/[email protected]/msp

export CORE_PEER_ADDRESS=peer0.org2.techracers.com:7051

export CORE_PEER_LOCALMSPID="Org2MSP"

export CORE_PEER_TLS_ROOTCERT_FILE=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.techracers.com/peers/peer0.org2.techracers.com/tls/ca.crt

Now lets transfer a float value to a non existent, but valid MSPID.

Note: Such MSPIDs can be created later and will have tokens preallocated to them, just like Ethereum addresses.

peer chaincode invoke -o orderer.techracers.com:7050 --tls true --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/techracers.com/orderers/orderer.techracers.com/msp/tlscacerts/tlsca.techracers.com-cert.pem -C mychannel -n mycc --peerAddresses peer0.org1.techracers.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.techracers.com/peers/peer0.org1.techracers.com/tls/ca.crt --peerAddresses peer0.org2.techracers.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.techracers.com/peers/peer0.org2.techracers.com/tls/ca.crt -c '{"Args":["transferFrom","Org1MSP", "UndefinedOrgMSP", "29.8989"]}'

2018-09-07 12:26:14.920 UTC [chaincodeCmd] chaincodeInvokeOrQuery -> INFO 001 Chaincode invoke successful. result: status:200

Check it using:

peer chaincode query -C mychannel -n mycc -c '{"Args":["getBalanceOf", "Org1MSP"]}'

60.3356

peer chaincode query -C mychannel -n mycc -c '{"Args":["getBalanceOf", "Org2MSP"]}'

10

If you experience errors troubleshoot them using docker log and you can find the chaincode here.

transferOwnership

Lastly set your config back to Owner of token and try transfering Token Ownership.

export CORE_PEER_MSPCONFIGPATH=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.techracers.com/users/[email protected]/msp

export CORE_PEER_ADDRESS=peer0.org1.techracers.com:7051

export CORE_PEER_LOCALMSPID="Org1MSP"

export CORE_PEER_TLS_ROOTCERT_FILE=/opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.techracers.com/peers/peer0.org1.techracers.com/tls/ca.crt

peer chaincode invoke -o orderer.techracers.com:7050 --tls true --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/techracers.com/orderers/orderer.techracers.com/msp/tlscacerts/tlsca.techracers.com-cert.pem -C mychannel -n mycc --peerAddresses peer0.org1.techracers.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org1.techracers.com/peers/peer0.org1.techracers.com/tls/ca.crt --peerAddresses peer0.org2.techracers.com:7051 --tlsRootCertFiles /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/peerOrganizations/org2.techracers.com/peers/peer0.org2.techracers.com/tls/ca.crt -c '{"Args":["transferOwnership","Org2MSP"]}'

2018-09-07 12:33:40.267 UTC [chaincodeCmd] chaincodeInvokeOrQuery -> INFO 001 Chaincode invoke successful. result: status:200

Check it using:

peer chaincode query -C mychannel -n mycc -c '{"Args":["getOwner"]}'
Org2MSP

If you experience errors troubleshoot them using docker log and you can find the chaincode here.

ERC20 Architecture by Zeppelin

We used Zepeelin Solidity's tested standards to create this ERC20 token version on HyperLedger. You can refer to the architectural model of ERC20 here:

  • helpers - Includes validations, checks which must be fulfilled during chaincode invocation or query; and utils for making the code DRY.
  • examples - A simple chaincode that demonstrate how to create a simple token using the basic chain codes provided in the repository.
  • tokens - A standard interface for fungible ERC20 tokens on HyperLedger.

Security

Techracers is meant to provide secure and simple code, but please use common sense when doing anything that deals with real money! We take no responsibility for your implementation decisions and any security problem you might experience.

The core development principles and strategies that Techracers is based on include: security in depth, simple and modular code, clarity-driven naming conventions, comprehensive unit testing, pre-and-post-condition sanity checks, code consistency, and regular audits.

If you need further help, please email [email protected]. If you want to work with us email at [email protected]

Note: We welcome recommendations and suggestions from the Open source community, If you think you can help us by raising an issue.

License

Code released under the MIT License.

erc20-token-on-hyperledger's People

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erc20-token-on-hyperledger's Issues

Failed to generate certificates when starting a network 

raffy@raffy-VirtualBox:~/ERC20-Token-On-Hyperledger/network$ ./buildERC20TokenNetwork.sh up
Starting for channel 'mychannel' with CLI timeout of '10' seconds and CLI delay of '3' seconds
Continue? [Y/n] y
proceeding ...
LOCAL_VERSION=1.2.0
DOCKER_IMAGE_VERSION=2.0.0-alpha
=================== WARNING ===================
  Local fabric binaries and docker images are
  out of  sync. This may cause problems.
===============================================
/home/raffy/ERC20-Token-On-Hyperledger/network/../bin/cryptogen

##########################################################
##### Generate certificates using cryptogen tool #########
##########################################################
+ cryptogen generate --config=./crypto-config.yaml
org1.techracers.com
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x8 pc=0x7e5d20]

goroutine 1 [running]:
github.com/hyperledger/fabric/common/tools/cryptogen/msp.GenerateVerifyingMSP(0xc42001a580, 0x37, 0x0, 0x0, 0xc420016801, 0x19, 0x0)
        /w/workspace/fabric-nightly-release-job-release-1.2-x86_64/gopath/src/github.com/hyperledger/fabric/common/tools/cryptogen/msp/generator.go:179 +0x2a0
main.generatePeerOrg(0x8f393d, 0xd, 0xc42001e610, 0x4, 0xc420016560, 0x13, 0x1, 0x8f1407, 0x2, 0xc420016880, ...)
        /w/workspace/fabric-nightly-release-job-release-1.2-x86_64/gopath/src/github.com/hyperledger/fabric/common/tools/cryptogen/main.go:529 +0x8ce
main.generate()
        /w/workspace/fabric-nightly-release-job-release-1.2-x86_64/gopath/src/github.com/hyperledger/fabric/common/tools/cryptogen/main.go:387 +0x139
main.main()
        /w/workspace/fabric-nightly-release-job-release-1.2-x86_64/gopath/src/github.com/hyperledger/fabric/common/tools/cryptogen/main.go:221 +0x256
+ res=2
+ set +x
Failed to generate certificates...

Channel creation failed

Getting this error when I run up

Error: got unexpected status: BAD_REQUEST -- error validating channel creation transaction for new channel 'mychannel', could not succesfully apply update to template configuration: error authorizing update: error validating DeltaSet: policy for [Group]  /Channel/Application not satisfied: implicit policy evaluation failed - 0 sub-policies were satisfied, but this policy requires 1 of the 'Admins' sub-policies to be satisfied
!!!!!!!!!!!!!!! Channel creation failed !!!!!!!!!!!!!!!!
========= ERROR !!! FAILED to execute End-2-End Scenario ===========

Docker container "orderer.techracers.com" is Exited

When './buildERC20TokenNetwork.sh up' command executed, the error occured.

Error: failed to create deliver client: orderer client failed to connect to orderer.techracers.com:7050: failed to create new connection: context deadline exceeded
!!!!!!!!!!!!!!! Channel creation failed !!!!!!!!!!!!!!!!
========= ERROR !!! FAILED to execute End-2-End Scenario ===========

detail

./buildERC20TokenNetwork.sh up
Starting for channel 'mychannel' with CLI timeout of '10' seconds and CLI delay of '3' seconds
Continue? [Y/n] Y
proceeding ...
./buildERC20TokenNetwork.sh: line 46: /Users/ogasawara/hyperledger-fabric/ERC20-Token-On-Hyperledger/network/../bin/configtxlator: cannot execute binary file
LOCAL_VERSION=
DOCKER_IMAGE_VERSION=1.2.1
=================== WARNING ===================
  Local fabric binaries and docker images are  
  out of  sync. This may cause problems.       
===============================================
peer1.org2.techracers.com is up-to-date
Starting orderer.techracers.com ... 
peer0.org2.techracers.com is up-to-date
peer1.org1.techracers.com is up-to-date
Starting orderer.techracers.com ... done
cli is up-to-date

 ____    _____      _      ____    _____ 
/ ___|  |_   _|    / \    |  _ \  |_   _|
\___ \    | |     / _ \   | |_) |   | |  
 ___) |   | |    / ___ \  |  _ <    | |  
|____/    |_|   /_/   \_\ |_| \_\   |_|  


Channel name : mychannel
Creating channel...
+ peer channel create -o orderer.techracers.com:7050 -c mychannel -f ./channel-artifacts/channel.tx --tls true --cafile /opt/gopath/src/github.com/hyperledger/fabric/peer/crypto/ordererOrganizations/techracers.com/orderers/orderer.techracers.com/msp/tlscacerts/tlsca.techracers.com-cert.pem
+ res=1
+ set +x
Error: failed to create deliver client: orderer client failed to connect to orderer.techracers.com:7050: failed to create new connection: context deadline exceeded
!!!!!!!!!!!!!!! Channel creation failed !!!!!!!!!!!!!!!!
========= ERROR !!! FAILED to execute End-2-End Scenario ===========

ERROR !!!! Test failed

Docker container "orderer.techracers.com" is Exited, that causes the connection failer.
I checked docker cantainer log.

initializeLocalMsp -> CRIT 002 Failed to initialize local MSP: could not load a valid signer certificate from directory /var/hyperledger/orderer/msp/signcerts: stat /var/hyperledger/orderer/msp/signcerts: no such file or directory

How can I up the container "orderer.techracers.com" ?

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