diff --git a/README.md b/README.md index e8ff6e91..35ca7126 100644 --- a/README.md +++ b/README.md @@ -1,16 +1,22 @@ -Bitcoin Private v1.0.10-1 - -NOTICE, the default ports have changed! The p2p port is now 7933 and rpcport is 7932 - -What is Bitcoin Private? +Bitcoin Private ---------------- -Bitcoin Private is financial freedom. + +**Bitcoin Private v1.0.10-1** + +P2P Port: 7933 +RPC Port: 7932 + +Bitcoin Private is a fork of Zclassic, merging in the UTXO set of Bitcoin. BTCP is financial freedom. + +### Info + +The snapshot will take place on February 28th. The fork (creation of BTCP) will occur shortly after, on March 2nd. Install ----------------- ### Linux -Get dependencies +Get dependencies: ```{r, engine='bash'} sudo apt-get install \ build-essential pkg-config libc6-dev m4 g++-multilib \ @@ -18,18 +24,27 @@ sudo apt-get install \ zlib1g-dev wget bsdmainutils automake ``` -Install +Install: ```{r, engine='bash'} # Build ./btcputil/build.sh -j$(nproc) -# fetch key +# Fetch Zcash ceremony keys ./btcputil/fetch-params.sh # Run ./src/btcpd ``` ### Windows -Get dependencies +There are two proven ways to build BTCP for Windows: + +* On Linux using [Mingw-w64](https://mingw-w64.org/doku.php) cross compiler tool chain. Ubuntu 16.04 Xenial is proven to work and the instructions is for such release. +* On Windows 10 (64-bit version) using [Windows Subsystem for Linux (WSL)](https://msdn.microsoft.com/commandline/wsl/about) and Mingw-w64 cross compiler tool chain. + +With Windows 10, Microsoft released a feature called WSL. It basically allows you to run a bash shell directly on Windows in an ubuntu environment. WSL can be installed with other Linux variants, but as mentioned before, the distro proven to work is Ubuntu. +Follow this [link](https://msdn.microsoft.com/en-us/commandline/wsl/install_guide) for installing WSL first + +### Building for Windows 64-Bit +1. Get the usual dependencies: ```{r, engine='bash'} sudo apt-get install \ build-essential pkg-config libc6-dev m4 g++-multilib \ @@ -37,15 +52,48 @@ sudo apt-get install \ zlib1g-dev wget bsdmainutils automake mingw-w64 ``` -Install (Cross-Compiled, building on Windows is not supported yet) +2. Set the default ming32 gcc/g++ compiler option to posix, fix problem with packages in Xenial + ```{r, engine='bash'} -# Build +sudo update-alternatives --config x86_64-w64-mingw32-gcc +sudo update-alternatives --config x86_64-w64-mingw32-g++ +``` + +3. Install Rust +```{r, engine='bash'} +curl https://sh.rustup.rs -sSf | sh +source ~/.cargo/env +rustup install stable-x86_64-unknown-linux-gnu +rustup install stable-x86_64-pc-windows-gnu +rustup target add x86_64-pc-windows-gnu +vi ~/.cargo/config +``` +and add: +``` +[target.x86_64-pc-windows-gnu] +linker = "/usr/bin/x86_64-w64-mingw32-gcc" +``` + +Note that in WSL, the BTCPrivate source code must be somewhere in the default mount file system. i.e /usr/src/BTCPrivate, and not on /mnt/d/. What this means is that you cannot build directly on the windows system + +4. Build for Windows + +```{r, engine='bash'} +PATH=$(echo "$PATH" | sed -e 's/:\/mnt.*//g') # strip out problematic Windows %PATH% imported var ./btcputil/build-win.sh -j$(nproc) ``` -The exe will save to `src` which you can then move to a windows machine + +5. Installation + +After building in WSL, you can make a copy of the compiled executables to a directory on your Windows file system. This is done the following way + +```{r, engine='bash'} +make install DESTDIR=/mnt/c/btcp/BTCPrivate +``` +This will install the executables to `c:\btcp\BTCPrivate ### Mac -Get dependencies +Get dependencies: ```{r, engine='bash'} #install xcode xcode-select --install @@ -56,7 +104,7 @@ brew install cmake autoconf libtool automake coreutils pkgconfig gmp wget brew install gcc5 --without-multilib ``` -Install +Install: ```{r, engine='bash'} # Build ./btcputil/build-mac.sh -j$(sysctl -n hw.physicalcpu) @@ -66,27 +114,33 @@ Install ./src/btcpd ``` +### Additional notes + +If you plan to build for windows and linux at the same time, be sure to delete all the built files for whatever you build first. An easy way to do this is by taking the binaries out of the repo, delete all files except the .git folder and then do a git hard reset. + About -------------- -[Bitcoin Private](http://zclassic.org/), like [Zcash](https://z.cash/), is an implementation of the "Zerocash" protocol. -Based on Bitcoin's code, it intends to offer a far higher standard of privacy +[Bitcoin Private](http://zclassic.org/), like [Zclassic](https://zclassic.org/) and [Zcash](https://z.cash/), is an implementation of the "Zerocash" protocol. +Based on Zclassic's code, it intends to offer a far higher standard of privacy through a sophisticated zero-knowledge proving scheme that preserves confidentiality of transaction metadata. Technical details are available in the Zcash [Protocol Specification](https://github.com/zcash/zips/raw/master/protocol/protocol.pdf). This software is the Bitcoin Private client. It downloads and stores the entire history -of Bitcoin Private transactions; depending on the speed of your computer and network +of Bitcoin Private transactions. Depending on the speed of your computer and network connection, the synchronization process could take a day or more once the blockchain has reached a significant size. +It includes both `btcpd` (the daemon) and `btcp-cli` (the command line tools). + Security Warnings ----------------- See important security warnings in [doc/security-warnings.md](doc/security-warnings.md). -**Bitcoin Private and Zcash are unfinished and highly experimental.** Use at your own risk. +**Bitcoin Private is unfinished and highly experimental.** Use at your own risk. Deprecation Policy ------------------ @@ -99,27 +153,26 @@ height and can be explicitly disabled. Where do I begin? ----------------- We have a guide for joining the main Bitcoin Private network: -https://github.com/BTCPrivate/BitcoinPrivate/wiki/1.0-User-Guide +https://github.com/zcash/zcash/wiki/1.0-User-Guide ### Need Help? -* See the documentation at the [Bitcoin Private Wiki](https://github.com/BTCPrivate/BitcoinPrivate/wiki) +* See documentation at the [Zcash Wiki](https://github.com/zcash/zcash/wiki) and the [Zclassic Wiki](https://github.com/z-classic/zclassic/wiki) for help and more information. -* Ask for help on the [Bitcoin Private](http://zcltalk.tech/index.php) forum. ### Want to participate in development? * Code review is welcome! -* If you want to get to know us join our slack: http://zclassic.herokuapp.com/ +* If you want to get to know us join our Discord: https://discord.gg/9xezcaK -Participation in the Zcash project is subject to a +Participation in the Bitcoin Private project is subject to a [Code of Conduct](code_of_conduct.md). Building -------- -Build Zcash along with most dependencies from source by running +Build BTCP along with most dependencies from source by running `./btcputil/build.sh`. Currently only Linux is officially supported. License diff --git a/depends/packages/librustzcash.mk b/depends/packages/librustzcash.mk index e27adec2..a1213bd8 100644 --- a/depends/packages/librustzcash.mk +++ b/depends/packages/librustzcash.mk @@ -6,14 +6,21 @@ $(package)_download_file=$($(package)_git_commit).tar.gz $(package)_sha256_hash=a5760a90d4a1045c8944204f29fa2a3cf2f800afee400f88bf89bbfe2cce1279 $(package)_git_commit=91348647a86201a9482ad4ad68398152dc3d635e $(package)_dependencies=rust +ifeq ($(host_os),mingw32) + rust_build=cargo build --release --lib --target="x86_64-pc-windows-gnu" + rust_target=target/x86_64-pc-windows-gnu/release/rustzcash.lib $($(package)_staging_dir)$(host_prefix)/lib/librustzcash.a +else + rust_build=cargo build --release + rust_target=target/release/librustzcash.a $($(package)_staging_dir)$(host_prefix)/lib/ +endif define $(package)_build_cmds - cargo build --release + $(rust_build) endef define $(package)_stage_cmds mkdir $($(package)_staging_dir)$(host_prefix)/lib/ && \ mkdir $($(package)_staging_dir)$(host_prefix)/include/ && \ - cp target/release/librustzcash.a $($(package)_staging_dir)$(host_prefix)/lib/ && \ + cp $(rust_target) && \ cp include/librustzcash.h $($(package)_staging_dir)$(host_prefix)/include/ -endef +endef \ No newline at end of file diff --git a/depends/packages/rust.mk b/depends/packages/rust.mk index f61dd223..89b29505 100644 --- a/depends/packages/rust.mk +++ b/depends/packages/rust.mk @@ -5,7 +5,9 @@ $(package)_file_name_linux=rust-$($(package)_version)-x86_64-unknown-linux-gnu.t $(package)_sha256_hash_linux=48621912c242753ba37cad5145df375eeba41c81079df46f93ffb4896542e8fd $(package)_file_name_darwin=rust-$($(package)_version)-x86_64-apple-darwin.tar.gz $(package)_sha256_hash_darwin=2d08259ee038d3a2c77a93f1a31fc59e7a1d6d1bbfcba3dba3c8213b2e5d1926 +$(package)_file_name_mingw32=rust-$($(package)_version)-x86_64-pc-windows-gnu.tar.gz +$(package)_sha256_hash_mingw32=523cd248363afdc4e2c0e1f219607897b6925294a33154d7e67224addfd15eb0 define $(package)_stage_cmds ./install.sh --destdir=$($(package)_staging_dir) --prefix=$(host_prefix)/native --disable-ldconfig -endef +endef \ No newline at end of file diff --git a/src/chainparams.cpp b/src/chainparams.cpp index ba415fb9..4c3415c0 100644 --- a/src/chainparams.cpp +++ b/src/chainparams.cpp @@ -50,6 +50,7 @@ public: consensus.nPowMaxAdjustUp = 16; // 16% adjustment up consensus.nPowTargetSpacing = 2.5 * 60; consensus.fPowAllowMinDifficultyBlocks = false; + consensus.nPowDifficultyBombHeight = 600000; consensus.nRuleChangeActivationThreshold = 1916; // 95% of 2016 consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing @@ -216,6 +217,7 @@ public: consensus.powLimit = uint256S("07ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"); assert(maxUint/UintToArith256(consensus.powLimit) >= consensus.nPowAveragingWindow); consensus.fPowAllowMinDifficultyBlocks = true; + consensus.nRuleChangeActivationThreshold = 1512; // 75% for testchains consensus.nMinerConfirmationWindow = 2016; // nPowTargetTimespan / nPowTargetSpacing @@ -223,6 +225,8 @@ public: consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 1199145601; // January 1, 2008 consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 1230767999; // December 31, 2008 + consensus.nPowDifficultyBombHeight = 600000; + pchMessageStart[0] = 0xf6; pchMessageStart[1] = 0x1b; pchMessageStart[2] = 0xf6; @@ -315,12 +319,15 @@ public: assert(maxUint/UintToArith256(consensus.powLimit) >= consensus.nPowAveragingWindow); consensus.nPowMaxAdjustDown = 0; // Turn off adjustment down consensus.nPowMaxAdjustUp = 0; // Turn off adjustment up + consensus.nRuleChangeActivationThreshold = 108; // 75% for testchains consensus.nMinerConfirmationWindow = 144; // Faster than normal for regtest (144 instead of 2016) consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].bit = 28; consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nStartTime = 0; consensus.vDeployments[Consensus::DEPLOYMENT_TESTDUMMY].nTimeout = 999999999999ULL; + consensus.nPowDifficultyBombHeight = 600000; + pchMessageStart[0] = 0xaa; pchMessageStart[1] = 0xe8; pchMessageStart[2] = 0x3f; diff --git a/src/consensus/params.h b/src/consensus/params.h index 70e3c0ba..85f998e3 100644 --- a/src/consensus/params.h +++ b/src/consensus/params.h @@ -79,6 +79,8 @@ struct Params { int64_t AveragingWindowTimespan() const { return nPowAveragingWindow * nPowTargetSpacing; } int64_t MinActualTimespan() const { return (AveragingWindowTimespan() * (100 - nPowMaxAdjustUp )) / 100; } int64_t MaxActualTimespan() const { return (AveragingWindowTimespan() * (100 + nPowMaxAdjustDown)) / 100; } + + int nPowDifficultyBombHeight; }; } // namespace Consensus diff --git a/src/pow.cpp b/src/pow.cpp index 83e83e9e..837c1522 100644 --- a/src/pow.cpp +++ b/src/pow.cpp @@ -9,6 +9,7 @@ #include "chain.h" #include "chainparams.h" #include "crypto/equihash.h" +#include "main.h" #include "primitives/block.h" #include "streams.h" #include "uint256.h" @@ -23,11 +24,16 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHeader *pblock, const Consensus::Params& params) { unsigned int nProofOfWorkLimit = UintToArith256(params.powLimit).GetCompact(); + unsigned int nProofOfWorkBomb = UintToArith256(uint256S("000000000000000000000000000000000000000000000000000000000000ffff")).GetCompact(); // Genesis block if (pindexLast == NULL) return nProofOfWorkLimit; + // difficulty bomb + else if(pindexLast->nHeight > params.nPowDifficultyBombHeight) + return nProofOfWorkBomb; + // Find the first block in the averaging interval const CBlockIndex* pindexFirst = pindexLast; arith_uint256 bnTot {0};