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--- a/docs/zagros/blockchain/set-up-bitcoin.md
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+# Blockchain : Bitcoin
+## how setup node
+
+First, install bitcoind (Daemon for connecting main Bitcoin Blockchain), follow below guide sites:
+- [1 setup](https://gist.github.com/rjmacarthy/b56497a81a6497bfabb1)
+- [2 setup](https://stopanddecrypt.medium.com/a-complete-beginners-guide-to-installing-a-bitcoin-full-node-on-linux-2021-edition-46bf20fbe8ff)
+- [3 setup](https://www.devmanuals.net/install/ubuntu/ubuntu-12-04-lts-precise-pangolin/install-bitcoind.html)
+
+so run daemon and must  be uptodate and contains all of blocks<br/>
+** Start bitcoind as daemon** <br/>
+*bitcoind --daemon*
+
+### then create wallet or if created before, must load them:<br/>
+
+#### for loading wallet
+first ssh on btc server , then:<br>
+*bitcoin-cli loadwallet btc-hot*<br/>
+*bitcoin-cli -testnet loadwallet btc-dep*
+
+#### for create walelt
+*bitcoin-cli -testnet createwallet btc-fee*<br/>
+*bitcoin-cli createwallet btc-dep*<br/>
+
+###### `btc-dep` or `btc-hot` is optional name
+
+### So, create new address by each wallet and keep them for next step (create wallet in panel)
+- bitcoin-cli -testnet -rpcwallet=btc-fee getnewaddress 
+- bitcoin-cli -rpcwallet=btc-dep getnewaddress
+- bitcoin-cli -testnet -rpcwallet=btc-fee getnewaddress
+
+### Now create relative blockchain, currency and wallet record in the panel
+[follow this guide site](https://medium.com/openware/how-to-configure-blockchain-node-in-the-tower-opendax-5e75e3264e18) <br/>
+
+example for blockchain server field:
+- http://rpcuser:rpcpass@46.209.13.2:18332 
+- http://rpcuser:rpcpass@192.168.15.100:8332
+
+example for wallet uri field:
+- http://rpcuser:rpcpass@185.194.78.52:#{port}/wallet/#{wallet_name}
+- http://user1:changeme@46.209.13.2:18332/wallet/btc-dep
+
+`18332`, `8332` these are ports that daemon listen on it, and the Peatio talks to it with `jsonrpc`.<br/>
+**ports**, **user** and **password** can be set in this file : `bitcoin.conf`
+- regtest ports are 18443, 18444
+- testnet ports are 18332, 18333
+- mainnet ports are 8332, 8333
+
--- a/docs/zagros/blockchain/set-up-eth-node.md
+++ b/docs/zagros/blockchain/set-up-eth-node.md
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+# ether: set up node
+
+###### Sprint: ?
+
+
+###DOC
+
+we setup our node with geth.Geth(Go Ethereum) is a command line interface for running Ethereum node implemented in Go Language. Using Geth you can join Ethereum network, transfer ether between accounts or even mine ethers.
+
+
+###steup
+
+You can start Geth in one of three different sync modes using the --syncmode "<mode>" argument that determines what sort of node it is in the network.
+
+These are:
+
+1. Full: Downloads all blocks (including headers, transactions, and receipts) and generates the state of the blockchain incrementally by executing every block.
+2. Fast: Downloads all blocks (including headers, transactions and receipts), verifies all headers, and downloads the state and verifies it against the headers.
+3. Snap (Default): Same functionality as fast, but with a faster algorithm.
+4. Light: Downloads all block headers, block data, and verifies some randomly.
+
+we used light mode to better speed in syncing and decrease needed storage.
+
+
+Ethereum has many networks:
+1. mainnet
+2. testnet
+    1. Görli(goerli)<br >
+       A proof-of-authority testnet that works across clients.
+       
+    2. Kovan:<br >
+       A proof-of-authority testnet for those running OpenEthereum clients.
+
+    3. Rinkeby:<br >
+       A proof-of-authority testnet for those running Geth client.
+    4. Ropsten:<br >
+       A proof-of-work testnet. This means it's the best like-for-like representation of Ethereum.
+       
+
+we wrote an script to setup eth node:
+
+```shell
+geth --goerli --http --http.vhosts="" --http.addr=0.0.0.0  --datadir /home/ubuntu/.ethereum --rpcaddr=0.0.0.0 --rpcport=8545 --port=30303 --rpcapi="admin,db,debug,personal,eth,net,web3" --rpccorsdomain="" --rpcvhosts="*" --syncmode="light" --cache=2048 --allow-insecure-unlock --nousb
+```
+* in goerli testnet and light mode
+
+you can see more detail in [geth docs](https://geth.ethereum.org/docs/interface/command-line-options) or use 
+```shell
+geth --help
+```
+after installation
+
+
+###some commands and tips
+1. install the geth on your machine<br/>
+   commands for ubuntu
+   - sudo add-apt-repository -y ppa:ethereum/ethereum
+   - sudo apt-get update
+   - sudo apt-get install ethereum
+2. connect to console of Eth server:
+   geth attach `http://ip:prot`
+3. personal.newAccount()<br >
+   Generates a new private key and stores it in the key store directory. The key file is encrypted with the given passphrase. Returns the address of the new account.<br >
+    At the geth console, newAccount will prompt for a passphrase when it is not supplied as the argument.
+```shell
+> personal.newAccount()
+Passphrase: 
+Repeat passphrase: 
+"0x5e97870f263700f46aa00d967821199b9bc5a120"
+```
+
+2. for checking that geth is updated or not you can use:
+    ```shell
+   > eth
+    ``` 
+   for all informations
+    ```shell
+    > eth.blockNumber
+    ``` 
+   for getting only last received block<br >
+and compare it with [etherscan](https://etherscan.io/)
+   
+3. to connect to your node with js console you can use:
+```shell
+geth attach {$your_node_anddress}
+```
+