ccoincash

const {
    bsv,
    buildContractClass,
    getPreimage,
    toHex,
    num2bin,
    SigHashPreimage,
    signTx,
    PubKey,
    Sig,

ccoincash

import "util.scrypt";

contract TokenSellContract {

    Ripemd160 bsvRecAddr;
    int bsvRecAmount;

    public function unlock(
        SigHashPreimage txPreimage
    ) {

ccoincash

contract Backtrace {
    static int DataLen = 46;

    static function unpackunsigned(bytes b): int {
        return unpack(b + b'00');
    }

    static function readOutputScript(bytes tx, int outputIndex): bytes {
        // first 4 bytes version
        // 1 byte input num, only support max 253

ccoincash

import "util.scrypt";
import "backtrace.scrypt";

/**
 * A token protocol based on UTXO model
 */
contract Token {

    public function split(
        SigHashPreimage txPreimage, 

ccoincash

contract MerkleTree {
    // TODO second preimage attack
    static function calculateMerkleRoot(bytes leaf, bytes merklePath) : bytes {
        int i = 0;
        int merklePathLength = len(merklePath) / 33;
        require(merklePathLength <= 5);
        bytes merkleValue = leaf;
        loop (5) {
            if (i < merklePathLength) {
                int left = unpack(merklePath[i * 33 + 32 : i * 33 + 33]);

ccoincash

const {
    bsv,
    buildContractClass,
    getPreimage,
    toHex,
    num2bin,
    SigHashPreimage,
    signTx,
    PubKey,
    Sig,

ccoincash

import "util.scrypt";
import "merkleTree2.scrypt";

// the token swap has two merkle trees to save data. one for token user, one for pool and the pool token balance
contract TokenSwap {

    // the contract init bsv amount
    int initBsv;
    // the swap pool first liquidity require amount
    int firstSaveBsvAmount;

ccoincash

const { bsv, buildContractClass, getPreimage, toHex, Ripemd160, num2bin, Bytes, SigHashPreimage } = require('scryptlib');
const { DataLen, loadDesc, createUnlockingTx, createLockingTx, sendTx, showError  } = require('../helper');
const {
    privateKey,
    privateKey2
  } = require('../privateKey');



(async() => {

ccoincash

import "util.scrypt";

contract BinaryOption {
    int betPrice;
    int rabinPubKey;
    int timestamp;
    Ripemd160 pubKeyHashA;
    Ripemd160 pubKeyHashB;

    function hash(bytes x): bytes {