Blockchain: Difference between revisions
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== Get Bitcoin Blocks & Transactions == | == Get Bitcoin Blocks & Transactions == | ||
#!/bin/bash | <pre> | ||
for block_id in { | \#!/bin/bash | ||
do | for block_id in {190000..190001} | ||
blockHash=`bitcoin-cli getblockhash $block_id` | do | ||
echo "Block $block_id: $blockHash" >> blockHash.txt | blockHash=`bitcoin-cli getblockhash $block_id` | ||
echo "Block $block_id: $blockHash" >> txn.txt | echo "Block $block_id: $blockHash" >> blockHash.txt | ||
echo "`bitcoin-cli getblock $blockHash`" >>txn.txt | echo "Block $block_id: $blockHash" >> txn.txt | ||
echo "" >> | echo "`bitcoin-cli getblock $blockHash`" >>txn.txt | ||
done | echo "" >> txn.txt | ||
exit 0< | echo "Block $block_id" >> allTxn.txt | ||
echo "`bitcoin-cli getblock $blockHash | jq '.tx'`" >> allTxn.txt | |||
cat allTxn.txt | tr -d ']''['',''"' >> listTxn.txt | |||
done | |||
exit 0 | |||
</pre> | |||
Revision as of 14:23, 19 February 2018
Blockchain and Smart Contract State of the art
Download: https://goo.gl/UyEDi7
Useful link to learn and install Bitcoin Blockchain
https://bitcore.io/guides/fullnode
https://en.bitcoin.it/wiki/Main_Page
https://github.com/bitcoin/bitcoin/blob/master/doc/build-unix.md
https://dev.visucore.com/bitcoin/doxygen/
https://github.com/bitcoin-blockexplorer/insight_ui
https://github.com/bitpay/insight
Ethereum Blockchain and Smart Contract
Development Environment
Virtual Box
Install Ubuntu 16.04.3 (64bits)
Curl: sudo apt-get install curl
Npm: sudo apt-get install -y npm
Nvm:
curl -sL https://raw.githubusercontent.com/creationix/nvm/v0.31.0/install.sh -o install_nvm.sh
bash install_nvm.sh
source ~/.profile
nvm ls-remote
nvm install 8.5.0
nvm use 8.5.0
node -v
Chrome
Wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
Sudo dpkg -i google-chrome-stable_current_amd6.deb
Sudo apt-get -fy install
Atom IDE
Download from atom.io
Sudo apt-get install -f
Sudo dpkg -i atom-amd64.deb
Apm install language-ethereum
Metamask Chrome Plug-in: Search in google and add to chrome
Ethereum
Sudo apt-get install software-properties-common
Sudo add-apt-repository -y ppa:ethereum/ethereum
Sudo apt-get update
Sudo apt-get install -y ethereum
Truffle
Npm init -y -> package.json
Npm install -g truffle
Npm install -g ethereumjs-testrpc
Not support OS Ubuntu (fsevents 1.1.2)
Require OS: Arch or Darwin
Build Smart Contract
PET SHOP
npm install -g truffle
npm install -g ethereumjs-testrpc
truffle unbox pet-shop
truffle compile
Testrpc -p 8545
Geth attach http://127.0.0.1:8545
truffle migrate
npm run dev
Ref:
http://truffleframework.com/docs/getting_started/installation
http://truffleframework.com/boxes/
http://truffleframework.com/tutorials/pet-shop
Demo:
https://www.youtube.com/watch?v=lULuJt8Crdo
Get Bitcoin Blocks & Transactions
\#!/bin/bash
for block_id in {190000..190001}
do
blockHash=`bitcoin-cli getblockhash $block_id`
echo "Block $block_id: $blockHash" >> blockHash.txt
echo "Block $block_id: $blockHash" >> txn.txt
echo "`bitcoin-cli getblock $blockHash`" >>txn.txt
echo "" >> txn.txt
echo "Block $block_id" >> allTxn.txt
echo "`bitcoin-cli getblock $blockHash | jq '.tx'`" >> allTxn.txt
cat allTxn.txt | tr -d ']''['',''"' >> listTxn.txt
done
exit 0
HyperLedger
https://hyperledger.github.io/composer/