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heri16 / .README.md
Last active October 2, 2021 17:24
Install Elixir on macOs

Instructions

brew update
brew install asdf openssl@1.1
EDITOR=nano brew edit wxmac # Edit the file according to wxmac.patch
brew install wxmac --build-from-source

asdf plugin add erlang
asdf plugin add elixir
@heri16
heri16 / playground.go
Last active September 9, 2021 08:51
Nasdaq OUCH_4.2 golang
package main
import (
"bytes"
"encoding"
"encoding/binary"
"io"
"fmt"
"stockbit.com/proto/ouch42"
@heri16
heri16 / .README.md
Last active August 30, 2021 07:49
Build & Install eixx C++ library

macOS / darwin

Install Dependencies

# Build-time Deps
brew install cmake
# brew install gcc@10
pip3 install gil
@heri16
heri16 / slice.go
Created July 26, 2021 10:50
Golang - convert slice such as []string to []interface{}
module slice
func InterfaceSlice(slice interface{}) []interface{} {
switch slice := slice.(type) {
case []string:
new := make([]interface{}, len(slice))
for i, v := range slice {
new[i] = v
}
return new
@heri16
heri16 / yup.ts
Last active June 29, 2021 05:39
Yup validate input for too many decimals to prevent ethers.js BigNumber / BigInt underflow
let decimals = 4;
const regexpDecimals = new RegExp(`^\\d*\\.{0,1}\\d{0,${decimals}}$`);
const SignupSchema = Yup.object().shape({
decimal: Yup.number().test(
'is-decimal',
'too many decimals',
value => (value + "").match(regexpDecimals),
),
});
@heri16
heri16 / ethersjs-token-bridge.ts
Last active June 29, 2021 05:39
Trigger Polygon / MATIC Token Bridge via ethers.js
// See: https://github.com/maticnetwork/matic.js/blob/master/examples/POS-client/config.js
const posRootChainManager = '0xBbD7cBFA79faee899Eaf900F13C9065bF03B1A74';
const posERC20Predicate = '0xdD6596F2029e6233DEFfaCa316e6A95217d4Dc34';
const accounts = useAccounts();
const userAddress = accounts?.[0]
const rootDaiContract = useContractContext(DAIDummyContext, 0);
const { send: approve } = useContractFunc(rootDaiContract, "approve");
@heri16
heri16 / button.tsx
Created June 29, 2021 05:30
Add network or switch network button for Metamask
interface AddEthereumChainParameter {
chainId: string; // A 0x-prefixed hexadecimal string
chainName: string;
nativeCurrency: {
name: string;
symbol: string; // 2-6 characters long
decimals: 18;
};
rpcUrls: string[];
blockExplorerUrls?: string[];
@heri16
heri16 / Structs.md
Created June 21, 2021 05:21
WIP: Solidity Object Structures for Insured Finance

Enums

  enum CoverType { SMART_PROTOCOL_FAILURE, STABLECOIN_DEVALUATION, CUSTODIAN_FAILURE, RUGPULL_LIQUIDITY_SCAM }
  enum CurrencyType { USDT, DAI, USDC }
  enum InsuredSumRule { PARTIAL, FULL }
  // enum ChainType { NON_EVM , EVM }

CoinId Decimals & CurrencyDecimals

@heri16
heri16 / .eslintrc.js
Created May 5, 2021 08:57
Example eslint config
const path = require('path')
const { readFileSync } = require('fs')
const schemaString = readFileSync(`${__dirname}/data/schema.graphql`, 'utf8')
module.exports = {
root: true,
plugins: [
// 'jest',
'@typescript-eslint',
@heri16
heri16 / .README.md
Last active April 21, 2021 08:20
Install & init terraform 
# Install pgp
brew install gnupg

# Write out the hashicorp public pgp key
cat <<EOF > hashicorp.asc
-----BEGIN PGP PUBLIC KEY BLOCK-----

mQENBFMORM0BCADBRyKO1MhCirazOSVwcfTr1xUxjPvfxD3hjUwHtjsOy/bT6p9f
W2mRPfwnq2JB5As+paL3UGDsSRDnK9KAxQb0NNF4+eVhr/EJ18s3wwXXDMjpIifq