[lowdb] lowdb Small JSON database for Node, Electron and the browser. Powered by Lodash. https://github.com/typicode/lowdb
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Thiago Souza thiagosouza
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| // Created by Robert N. 030715 | |
| // Candle labels | |
| study(title = "Candles", overlay = true) | |
| trend= input(5, minval=1, title="Trend in Bars") | |
| DojiSize = input(0.05, minval=0.01, title="Doji size") | |
| data=(abs(open - close) <= (high - low) * DojiSize) | |
| plotchar(data, title="Doji", text='Doji', color=white) |
thiagosouza
/ readme.md
Created
February 19, 2019 17:58
[lowdb] lowdb Small JSON database for Node, Electron and the browser. Powered by Lodash.
thiagosouza
/ readme.md
Last active
February 19, 2019 17:55
[Swagger API] #swagger #api #firebase #nodejs #middleware
Swagger API Middlewares and Firebase https://www.youtube.com/watch?v=YqThrxlUgnE
Swagger generated server https://github.com/kalaspuffar/notes-server
Access Tokens Password Grant 12.2
POST /oauth/token HTTP/1.1
Host: authorization-server.com
thiagosouza
/ 1 setup - nodejs nvm npm firebase.sh
Last active
February 25, 2019 20:45
[MVP Blockchain Serverless] #blockchain #serverless #firebase #google-cloud
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| #node 8 | |
| #https://nodejs.org/en/download/ | |
| #nvm | |
| #https://github.com/creationix/nvm#install-script | |
| cd /tmp | |
| curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash | |
| wget -qO- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash | |
| export NVM_DIR="${XDG_CONFIG_HOME/:-$HOME/.}nvm" |
thiagosouza
/ simpletoken.sol
Last active
February 27, 2019 17:56
[simpletoken] smart contract based on openzeppelin token implementation
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| pragma solidity ^0.5.0; | |
| /** | |
| * @title ERC20 interface | |
| * @dev see https://github.com/ethereum/EIPs/issues/20 | |
| */ | |
| interface IERC20 { | |
| function transfer(address to, uint256 value) external returns (bool); | |
| function approve(address spender, uint256 value) external returns (bool); |
thiagosouza
/ 0 README.sh
Last active
February 14, 2019 18:42
Smart Contracts usando Node.js, web3 e Serverless
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| mkdir mvp-blockchain-serverless | |
| #install nvm and put a nvmrc file on the directory | |
| touch .nvmrc && echo "8" >! .nvmrc && cd . | |
| #initialize npm package | |
| npm init | |
| npm install firebase-functions@latest firebase-admin@latest --save | |
| npm install -g firebase-tools |
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| #GCloud | |
| #install | |
| echo "deb [signed-by=/usr/share/keyrings/cloud.google.gpg] http://packages.cloud.google.com/apt cloud-sdk main" | sudo tee -a /etc/apt/sources.list.d/google-cloud-sdk.list | |
| curl https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key --keyring /usr/share/keyrings/cloud.google.gpg add - | |
| sudo apt-get update && sudo apt-get install google-cloud-sdk | |
| #references | |
| #https://cloud.google.com/sdk/docs/quickstart-linux |
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| pragma solidity ^0.4.24; | |
| import "./ERC20.sol"; | |
| /** | |
| * @title SimpleToken | |
| * @dev Very simple ERC20 Token example, where all tokens are pre-assigned to the creator. | |
| * Note they can later distribute these tokens as they wish using `transfer` and other | |
| * `ERC20` functions. | |
| */ |
thiagosouza
/ Bitcoin and Ethereum - Keys, Keypair, seeds, keystore and Addressess.sh
Last active
August 24, 2023 15:30
[Bitcoin and Ethereum - Keys, Keypair, seeds, keystore and Addressess] #ethereum #bitcoin #keystore #seed
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| #Generating a usable Ethereum wallet and its corresponding keys | |
| #https://kobl.one/blog/create-full-ethereum-keypair-and-address/ | |
| # Generate the private and public keys | |
| openssl ecparam -name secp256k1 -genkey -noout | openssl ec -text -noout > Key | |
| # Extract the public key and remove the EC prefix 0x04 | |
| cat Key | grep pub -A 5 | tail -n +2 | tr -d '\n[:space:]:' | sed 's/^04//' > pub |