ethereum private network

Configuring ethereum private network
(Erszbat (v1.11.5), 4/15/2023)

https://geth.ethereum.org/docs/fundamentals/private-network

Setup two nodes on Windows 11 pro

create a directory to hold the nodes

• create password.txt file and put the password text in the file.  Just the password with nothing else

startup cmd (run as administrator) and go to directory you just created

geth account new --datadir node1

• put in password twice (you need to remember what you set)

• creates a node1 directory with secret key file and returns your public key

• returns public address of the key:   0x4FB0032AA225a94EdB257ae1d2338DfDc6d23e7F

geth account new --datadir node2

• put in password twice

• creates a node1 directory with secret key file and returns your public key

• returns public address of the key:   0xa6AE721942e7fa6b5e6c280Ad41439eb27da521d

Setup the genesis file now that we have the two public keys.

• addresses in both the extradata and alloc areas

• chainId set ot 12345

Create Genesis.json file

{

  "config": {

    "chainId": 12345,

    "homesteadBlock": 0,

    "eip150Block": 0,

    "eip155Block": 0,

    "eip158Block": 0,

    "byzantiumBlock": 0,

    "constantinopleBlock": 0,

    "petersburgBlock": 0,

    "istanbulBlock": 0,

    "muirGlacierBlock": 0,

    "berlinBlock": 0,

    "londonBlock": 0,

    "arrowGlacierBlock": 0,

    "grayGlacierBlock": 0,

    "clique": {

      "period": 5,

      "epoch": 30000

    }

  },

  "difficulty": "1",  

  "gasLimit": "0x1fffffffffffffff",

  "extradata": "0x00000000000000000000000000000000000000000000000000000000000000004FB0032AA225a94EdB257ae1d2338DfDc6d23e7Fa6AE721942e7fa6b5e6c280Ad41439eb27da521d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",

  "alloc": {

    "4FB0032AA225a94EdB257ae1d2338DfDc6d23e7F": { "balance": "0xfffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff" },

    "a6AE721942e7fa6b5e6c280Ad41439eb27da521d": { "balance": "300000000" }

  }

}

geth init --datadir node1 genesis.json

geth init --datadir node2 genesis.json

bootnode -genkey boot.key

startup the bootnode

bootnode -nodekey boot.key -addr :30305

returns the enode that is used to start the other nodes

enode://dd56ba62106a591288316f5b487ac0fc84046ba5438fc4e18e8d1b24bd33a6f024e32dacaf76d90912aaa198a8bebb5b8b9d53ffa47ebfeef4fd25430e21a10a@127.0.0.1:0?discport=30305

Open up second cmd window (as administrator) to start node 1. Remember to go top directory 

• put in address of create for first node

• we are using --http.port 8546 which is where we connect via metamask

• we are using --ipcpath=node1/geth.ipc which is what we connect to with geth client

• we are using --rpc.enabledeprecatedpersonal which is now required for geth client to use personal commands

geth --datadir node1 --port 30308 --bootnodes enode://dd56ba62106a591288316f5b487ac0fc84046ba5438fc4e18e8d1b24bd33a6f024e32dacaf76d90912aaa198a8bebb5b8b9d53ffa47ebfeef4fd25430e21a10a@127.0.0.1:0?discport=30305  --networkid 12345 --unlock 0x4FB0032AA225a94EdB257ae1d2338DfDc6d23e7F --password password.txt  --http --allow-insecure-unlock --http.corsdomain "*"  --http.vhosts "*" --http.addr "0.0.0.0" --authrpc.port 8560 --http.port 8546 --ipcpath=node1/geth.ipc --http.api="eth,net,web3,personal,web3" --rpc.enabledeprecatedpersonal --rpc.gascap 0 --rpc.txfeecap 0  --verbosity "4"

After starting this notice that we have not started mining yet.  Just started blockchain engine

Open up third cmd window (as administrator) to startup the geth client.  Remember to go to top directory.

geth attach \\.\pipe\node1\geth.ipc

eth.accounts[0]

eth.getBalance(eth.accounts[0])

personal.unlockAccount(eth.accounts[0])

enter your password: password

to start mining

miner.setEtherbase("0x4FB0032AA225a94EdB257ae1d2338DfDc6d23e7F")

miner.start(1)

eth.sendTransaction({from: eth.accounts[0], to: "0x9cfc7E44757529769A28747F86425C682fE64653", value: "100000", gasLimit: 21000, gas: 100000, gasPrice: 1000})

eth.sendTransaction({from: eth.accounts[0], to: "0xa6AE721942e7fa6b5e6c280Ad41439eb27da521d", value: "100000", gasLimit: 21000, gas: 100000, gasPrice: 1000})

eth.getBalance("0x4FB0032AA225a94EdB257ae1d2338DfDc6d23e7F")

eth.getBalance("0xa6AE721942e7fa6b5e6c280Ad41439eb27da521d")

eth.getBalance("0x9cfc7E44757529769A28747F86425C682fE64653")

eth.sendTransaction({from: "0xa6AE721942e7fa6b5e6c280Ad41439eb27da521d", to: "0xa6AE721942e7fa6b5e6c280Ad41439eb27da521d", value: "100000", gasLimit: 21000, gas: 100000, gasPrice: 1000})

personal.unlockAccount("0xa6AE721942e7fa6b5e6c280Ad41439eb27da521d")

personal.newAccount() 

set password

address returned: "0x4FB0032AA225a94EdB257ae1d2338DfDc6d23e7F"

eth.sendTransaction({from: eth.accounts[0], to: eth.accounts[1], value: "100000", gasLimit: 21000, gas: 100000, gasPrice: 1000})

eth.sendTransaction({from: eth.accounts[0], to: 0x102f07628C7A1Fb36387908742E529fE47728094, value: "100000", gasLimit: 21000, gas: 100000, gasPrice: 1000})

eth.getBalance("0x102f07628C7A1Fb36387908742E529fE47728094")

VueJs Client Talking to private network
C:\ethereum\DemoProjects\web3-project2 
go to directory and run app:  yarn serve --port 3000

• Connect to EVM (select connect button in demo)
  Connect via metamask wallet.  Make sure you are on correct EVM 8546, node1 with correct address via metamask
  view connected sites and remove yourself.  go to "..." in metamask and select connected sites

• Connect to NFT Collection Wallet and get collection information (App.vue has this code)

• Retrieve NFT's and associated NFT metadata,  Get TokenUrl

• Retrieve IPFS metadata from TokenUrl (IpfsInfo.vue has this code)
  IPFS is running on localhost:8080

ODOO integration to private network

https://www.youtube.com/watch?v=zvbolXy7xI0

Agustin Wisky

bloopark Systems

https://github.com/awisky/odoo-avax

python web3 library