riordant
/ ModExp.sol
Last active
November 15, 2018 13:24
— forked from lionello/ModExp.sol
Solidity wrapper for Ethereum Byzantium's BigInt `modexp` built-in contract 0x5
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| // Wrapper for built-in BigNumber_modexp (contract 0x5) as described here. https://github.com/ethereum/EIPs/pull/198 | |
| function modexp(bytes memory _base, bytes memory _exp, bytes memory _mod) internal view returns(bytes memory ret) { | |
| assembly { | |
| let bl := mload(_base) | |
| let el := mload(_exp) | |
| let ml := mload(_mod) | |
riordant
/ btceur-arbitrage.py
Last active
December 13, 2017 18:13
A small python script to detect bitcoin-euro arbitrage opportunities between a number of popular euro cryptocurrency exchanges.
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| import requests | |
| import json | |
| import pdb | |
| import time | |
| import sys | |
| BUY = 0 | |
| SELL = 1 |
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