bitcoin url
dasda
Oscar Guindzberg oscarguindzberg
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| package my.kalos.service; | |
| import java.util.Collection; | |
| import my.kalos.model.AutocompleteCampo; | |
| import my.kalos.model.Obra; | |
| public interface AutocompleteService { | |
oscarguindzberg
/ gist:68e9526928d40545273d
Last active
July 30, 2019 11:15
Reference Miner for bitcoinj
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| public class MainClass { | |
| public static void main(String[] args) throws Exception { | |
| NetworkParameters params = ... | |
| PeerGroup peers = ... | |
| Wallet wallet = ... | |
| FullPrunedBlockStore store = ... | |
| AbstractBlockChain chain = .., | |
| Miner miner = new Miner(params, peers, wallet, store, chain); | |
| miner.startAsync(); | |
| miner.awaitRunning(); |
oscarguindzberg
/ payment protocol.md
Last active
August 29, 2015 14:25
oscarguindzberg
/ gist:65477cdd156de47eb20c9685a79194eb
Last active
November 17, 2022 11:21
Find out priv key used on the bitfinex attack
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| import org.bitcoinj.core.Context; | |
| import org.bitcoinj.core.Transaction; | |
| import org.bitcoinj.params.MainNetParams; | |
| import org.bitcoinj.script.Script; | |
| import org.spongycastle.util.encoders.Hex; | |
| /** | |
| * Created by oscar on 02/08/2016. | |
| */ | |
| public class BitfinexResearch { |
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| import org.bitcoinj.core.Context; | |
| import org.bitcoinj.core.Transaction; | |
| import org.bitcoinj.params.MainNetParams; | |
| import org.bitcoinj.script.Script; | |
| import org.spongycastle.util.encoders.Hex; | |
| /** | |
| * Created by oscar on 02/08/2016. | |
| */ | |
| public class BitfinexResearch { |
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| bytes myByteArrayInStorage = ....; | |
| uint pointer; | |
| assembly { | |
| pointer := myByteArrayInStorage_slot | |
| } | |
| uint pointer2 = uint(keccak256(bytes32(pointer))); | |
| uint firstWord; | |
| uint secondWord; | |
| assembly { | |
| firstWord := sload(pointer2) |
oscarguindzberg
/ DogeEthBountySplit.sol
Last active
December 6, 2017 13:03
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| pragma solidity ^0.4.18; | |
| contract DogeEthBountySplit { | |
| // Just hardcode externally owned accounts, don’t use contract addresses. | |
| address public oscarGuindzbergAddress = 0xFc7E364035f52ecA68D71dcfb63D1E3769413d69; | |
| address public coinfabrikAddress = 0x8ffC991Fc4C4fC53329Ad296C1aFe41470cFFbb3; | |
| address public truebitAddress = 0x1e6d05543EaD73fb1820FAdBa481aAd716845FBa; | |
| function() payable public { |
oscarguindzberg
/ gist:0e2e207cd4c4b70be2d26f047fb330cc
Created
January 5, 2018 14:48
Ming tx to release 1 eth
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| from: 0x967bfaF76243CdB9403C67D2ceEfDee90a3feB73 (your account) | |
| to: 0xdbf03b407c01e7cd3cbea99509d93f8dddc8c6fb (bounty contract) | |
| Value: 0 ether | |
| data: 0xd3c0715b0000000000000000000000000000000000000000000000000000000000000008000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000600000000000000000000000000000000000000000000000000000000000000000 | |
| gas price: Your wallet's default should be ok. If you have to specify it, 60000000 (60 gwei) is ok. | |
| gas limit: Your wallet 'sdefault should be ok. If you have to specify it, 200000 is ok. |
oscarguindzberg
/ FullBlockOnSpv.java
Created
February 3, 2020 21:03
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| package org.bitcoinj.tools.playground; | |
| import org.bitcoinj.core.*; | |
| import org.bitcoinj.kits.WalletAppKit; | |
| import org.bitcoinj.params.RegTestParams; | |
| import java.io.File; | |
| public class FullBlockOnSpv { | |
| public static void main(String[] args) { |
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| package org.bitcoinj.examples; | |
| import com.google.common.collect.ImmutableList; | |
| import org.bitcoinj.core.*; | |
| import org.bitcoinj.core.listeners.TransactionConfidenceEventListener; | |
| import org.bitcoinj.crypto.TransactionSignature; | |
| import org.bitcoinj.kits.WalletAppKit; | |
| import org.bitcoinj.params.RegTestParams; | |
| import org.bitcoinj.params.TestNet3Params; | |
| import org.bitcoinj.script.Script; |
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