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Tjaden Hess tjade273

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@tjade273
tjade273 / keybase.md
Created July 22, 2017 16:44

Keybase proof

I hereby claim:

  • I am tjade273 on github.
  • I am tjade273 (https://keybase.io/tjade273) on keybase.
  • I have a public key ASDR9HNQsRzpOcLNM6uc4IPWn_ljtln2BCEpx78JBwhNiAo

To claim this, I am signing this object:

@tjade273
tjade273 / log2.sol
Last active April 6, 2023 08:57
function log2(uint x) returns (uint y){
assembly {
let arg := x
x := sub(x,1)
x := or(x, div(x, 0x02))
x := or(x, div(x, 0x04))
x := or(x, div(x, 0x10))
x := or(x, div(x, 0x100))
x := or(x, div(x, 0x10000))
x := or(x, div(x, 0x100000000))
@tjade273
tjade273 / gist:c91656c36310f0a9fb2d7292b77782fa
Created October 27, 2017 16:58
ether_addr
0xCdEF3fC9F3fC928447c32F3e9002b9a02aAbB47A
@tjade273
tjade273 / FlipEndian.sol
Created January 17, 2018 21:06 — forked from anonymous/FlipEndian.sol
Created using browser-solidity: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://ethereum.github.io/browser-solidity/#version=soljson-v0.4.19+commit.c4cbbb05.js&optimize=false&gist=
pragma solidity ^0.4.19;
contract FlipEndian {
function flip32_1(bytes32 a) public constant returns (bytes32 b){
assembly {
0
and(div(a, 0x100000000000000000000000000000000000000000000000000000000000000), 0xFF)
or
and(div(a, 0x10000000000000000000000000000000000000000000000000000000000), 0xFF00)
or
@tjade273
tjade273 / BailliePSW.sol
Created February 14, 2018 03:22 — forked from anonymous/BailliePSW.sol
Created using browser-solidity: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://ethereum.github.io/browser-solidity/#version=soljson-v0.4.19+commit.c4cbbb05.js&optimize=false&gist=
contract BailliePSW {
function sprp(uint a) pure returns (bool iscomposite) {
}
function modexp() constant returns (bytes32 o){
assembly {
let m := mload(0x40)
mstore(m,1)
mstore(add(m, 0x20),2)
@tjade273
tjade273 / BLS.sol
Created March 8, 2018 18:42 — forked from anonymous/BLS.sol
Created using browser-solidity: Realtime Ethereum Contract Compiler and Runtime. Load this file by pasting this gists URL or ID at https://ethereum.github.io/browser-solidity/#version=soljson-v0.4.21+commit.dfe3193c.js&optimize=false&gist=
contract BLS {
uint public nonce;
uint[4] public pubkey;
// sig[0:1] is h^-x, sig[2] is the y-component of h
function forward(uint[3] sig, uint gas, address addr, uint value, bytes data) returns (bool) {
bytes32 msg = keccak256(nonce, gas, addr, value, data);
bool success;
assembly {
let m := mload(0x40)
@tjade273
tjade273 / gist:be40ed84b49868cd4a6422d193e752d3
Created March 23, 2026 02:46
My public address: 0x43Be875cFB4E2bAe7fA5be1220D40670C180fA67