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Demo.md

Demo

System Dependencies

Assumes nvm in use 10 LTS, this is because the node installs will fail if using the system node.

Additionally requires ganache-ui, sequel pro, docker, and a browser running metamask.

Steps

  • Boot up new instance of ganache ui, make sure port is set to 8545, cancel and restart if necessary

  • Open up browser with metamask, switch to localhost 8545, import the first account by private key, confrim 100ETH

  • Open up a terminal and setup project sandbox

cd ~ && export XYO_HOME=`pwd`/xyo && echo "XYO_HOME set to $XYO_HOME"
  • Setup archivist
export ARCHIVIST_BRANCH=develop && git clone -b $ARCHIVIST_BRANCH https://github.com/XYOracleNetwork/app-archivist-nodejs.git archivist
  cd $XYO_HOME/archivist && mkdir logs && mkdir archivist-db

Set up database credentials

export MYSQL_USER=admin && export MYSQL_PASSWORD=password

Start MySQL service

  docker run \
    --name XyoDb \
    -d \
    -p 3306:3306 \
    -e MYSQL_USER=$MYSQL_USER \
    -e MYSQL_PASSWORD=$MYSQL_PASSWORD \
    -e MYSQL_DATABASE=Xyo \
    -e MYSQL_RANDOM_ROOT_PASSWORD=yes \
    mysql:5.7.24 --sql_mode=NO_ENGINE_SUBSTITUTION

Pick a name for your node

  export ARCHIVIST_NODE_NAME=my-archivist

Figure out ip address and set it

export MY_IP=`ifconfig | grep -Eo 'inet (addr:)?([0-9]*\.){3}[0-9]*' | grep -Eo '([0-9]*\.){3}[0-9]*' | grep -v '127.0.0.1'` && echo "My ip is $MY_IP

Start the archivist

NODE_ENV=develop \
NODE_NAME=$ARCHIVIST_NODE_NAME \
IP_OVERRIDE=$MY_IP \
SQL__HOST=127.0.0.1 \
SQL__USER=$MYSQL_USER \
SQL__PASSWORD=$MYSQL_PASSWORD \
SQL__DATABASE=Xyo \
SQL__PORT=3306 \
nohup node packages/app-archivist/dist/index.js &

Tail the logs, you can see a genesis block was created

  tail -f -n 1000 nohup.out
  • Diviner set up
export DIVINER_BRANCH=develop
cd $XYO_HOME && git clone -b $DIVINER_BRANCH https://github.com/XYOracleNetwork/api-diviner-nodejs.git diviner

Project set up

cd $XYO_HOME/diviner && mkdir logs && mkdir diviner-db && yarn clean && yarn install && yarn build
  • ipfs set up
  mkdir -p $XYO_HOME/ipfs/staging && \
  mkdir -p $XYO_HOME/ipfs/data && \
  export ipfs_staging=$XYO_HOME/ipfs/staging && \
  export ipfs_data=$XYO_HOME/ipfs/data

Start docker ipfs service

  docker run \
  -d \
  --name ipfs_host \
  -v $ipfs_staging:/export \
  -v $ipfs_data:/data/ipfs \
  -p 4001:4001 \
  -p 127.0.0.1:8080:8080 \
  -p 127.0.0.1:5001:5001 \
  ipfs/go-ipfs:latest

Cors config

docker exec ipfs_host ipfs config --json API.HTTPHeaders.Access-Control-Allow-Origin '["*"]'
docker exec ipfs_host ipfs config --json API.HTTPHeaders.Access-Control-Allow-Methods '["PUT", "GET", "POST"]'

Restart ipfs service

docker restart ipfs_host

ipfs add file

curl 'https://ipfs.io/ipfs/QmeFQ55jVbtuVoFYXJdZWKoWMjjs9DZ9teCQhrhTLofGP2' > $ipfs_staging/XyoStakedConsensus.json && \
  docker exec ipfs_host ipfs add -r /export/XyoStakedConsensus.json

Set environment variable for diviner eth address, confirm is first account in ganache

export ABOUT__ETH_ADDRESS=`curl -s -X POST --data '{"jsonrpc":"2.0","method":"eth_accounts","params":[],"id":1}' 127.0.0.1:8545 | python -c "import sys, json; print json.load(sys.stdin)['result'][0]"` && echo "Diviner ethereum address is $ABOUT__ETH_ADDRESS"

Build from source the PayOnDelivery contracts

cd $XYO_HOME && git clone https://github.com/XYOracleNetwork/demo-payondelivery-solidity.git payondelivery && cd $XYO_HOME/payondelivery && yarn

Optionally install dapploy if is not already installed

  yarn global add tool-dapploy-nodejs

Deploy contracts

  dapploy

Confirm in ganache-ui that transactions have contracts have been created in transactions tab. You will also see the fist account have slightly less ethereum for the cost of gas of deploying contract

Copy contracts artifacts into ipfs

cp -r build/contracts $ipfs_staging && docker exec ipfs_host ipfs add -r /export/contracts

This will output something like added Qm... contracts. You should be able to open a browser and view the contracts folder at 127.0.0.1:8080/ipfs/Qm...

Open a browser with metamask installed and go to https://dapper.layerone.co/

Clear application cache through inspect-tools -> Application -> clear storage -> clear site data then refresh page

Then connect wallet with the account that we added earlier.

Go to setting by clicking cog wheel

Set ipfs config to

host: localhost port: 8080 protocol: http

Then copy the contracts ipfs hash from earlier and click add abi

You should be able to select a contract from left dropdown, PayOnDelivery and the bottom drop down and the contract address

If you select the owner() button and execute it should display your public key and if you go to question and add a parameter of 0 and error because there are no questions yet, so lets create some data to ask questions about first.

Create mock data

cd $XYO_HOME/archivist && node packages/data-generator/dist/index.js --host=127.0.0.1 --user=$MYSQL_USER --password=$MYSQL_PASSWORD --database=Xyo --port=3306

open sequel pro

set database credentials

host: 127.0.0.1 username: admin password: password port: 3306

Select query tab and query

SELECT 
	obp.originBlockId,
	GROUP_CONCAT(pk.key SEPARATOR ", "),
	ob.signedHash
FROM OriginBlockParties obp
	JOIN OriginBlocks ob on ob.id = obp.originBlockId
	JOIN KeySignatures ks on obp.id = ks.originBlockPartyId
	JOIN PublicKeys pk on pk.id = ks.publicKeyId
GROUP BY obp.originBlockId	
HAVING COUNT(obp.originBlockId) > 1

************************************* Skip this *************************************************************

Note, this same data is available via a graphql interface at 127.0.0.1:11001 with the query

query {
  blockList(limit: 10, cursor: null) {
    items {
      publicKeys {
        array {
          value
        }
      }
    }
  }
}

You would have to find a result in the array that has two array values for the publicKeys key/value pair ************************************* End Skip *************************************************************

Click run current to view results.

The results showing are all the bound witness interactions in the system.

Select the first row, second column and copy the the items as the itemA and itemB into the escrowPayment dapper view.

For the beneficiary input, put the last ganache account public key

For marker put 0 and for Value to transfer do 10000000000000000000 (10Eth). Execute contract with metamask. Confirm in ganache-ui that 10Eth is in escrow for the first address.

make note of the address from dapper.layerone.co for PayOnDelivery contract Deployments -> address section. It should with 0x

Go back to terminal and run

export ETHEREUM_CONTRACTS__PAY_ON_DELIVERY__ADDRESS={CONTRACT_ADDRESS_ABOVE_REPLACE_ME}

Change directory to diviner

  cd $XYO_HOME/diviner

Start diviner. Once the diviner is started it will find the first question in the smart contract, ask the archivist for data about the publicKeys (itemA, itemB), the archivist provides an answer and the diviner answer the SmartContract with results in the beneficiary getting 10Eth out of escrow. You can verify this by going to ganache-ui and looking at the Account Balances.

ABOUT__URL=$MY_IP \
ABOUT__SEEDS__ARCHIVISTS=http://127.0.0.1:11001 \
IPFS__HOST=127.0.0.1 \
ETHEREUM_CONTRACTS__PAY_ON_DELIVERY__ADDRESS=$ETHEREUM_CONTRACTS__PAY_ON_DELIVERY__ADDRESS \
WEB3__HOST=http://127.0.0.1:8545 \
nohup node packages/app-diviner/dist/index.js &

**** Tear Down ****

Stop and remove all docker containers

docker stop ipfs_host && docker rm ipfs_host && docker stop XyoDb && docker rm XyoDb && docker system prune -a
rm -rf $XYO_HOME

Kill diviner and archivist processes

 ps -A | grep archivist # Then kill process id
 ps -A | grep diviner # Then kill process id
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