// Copyright 2018 The Grin Developers // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. //! Definition of the genesis block. Placeholder for now. use time; use consensus; use core; use core::target::Difficulty; use global; /// Genesis block definition for development networks. The proof of work size /// is small enough to mine it on the fly, so it does not contain its own /// proof of work solution. Can also be easily mutated for different tests. pub fn genesis_dev() -> core::Block { core::Block { header: core::BlockHeader { height: 0, previous: core::hash::Hash([0xff; 32]), timestamp: time::Tm { tm_year: 1997 - 1900, tm_mon: 7, tm_mday: 4, ..time::empty_tm() }, nonce: global::get_genesis_nonce(), ..Default::default() }, inputs: vec![], outputs: vec![], kernels: vec![], } } /// First testnet genesis block, still subject to change (especially the date, /// will hopefully come before Christmas). pub fn genesis_testnet1() -> core::Block { core::Block { header: core::BlockHeader { height: 0, previous: core::hash::Hash([0xff; 32]), timestamp: time::Tm { tm_year: 2017 - 1900, tm_mon: 10, tm_mday: 16, tm_hour: 20, ..time::empty_tm() }, nonce: 28205, pow: core::Proof::new(vec![ 0x21e, 0x7a2, 0xeae, 0x144e, 0x1b1c, 0x1fbd, 0x203a, 0x214b, 0x293b, 0x2b74, 0x2bfa, 0x2c26, 0x32bb, 0x346a, 0x34c7, 0x37c5, 0x4164, 0x42cc, 0x4cc3, 0x55af, 0x5a70, 0x5b14, 0x5e1c, 0x5f76, 0x6061, 0x60f9, 0x61d7, 0x6318, 0x63a1, 0x63fb, 0x649b, 0x64e5, 0x65a1, 0x6b69, 0x70f8, 0x71c7, 0x71cd, 0x7492, 0x7b11, 0x7db8, 0x7f29, 0x7ff8, ]), ..Default::default() }, inputs: vec![], outputs: vec![], kernels: vec![], } } /// Second testnet genesis block (cuckoo30). TBD and don't start getting excited /// just because you see this reference here... this is for testing mining /// at cuckoo 30 pub fn genesis_testnet2() -> core::Block { core::Block { header: core::BlockHeader { height: 0, previous: core::hash::Hash([0xff; 32]), timestamp: time::Tm { tm_year: 2018 - 1900, tm_mon: 2, tm_mday: 26, tm_hour: 16, ..time::empty_tm() }, total_difficulty: Difficulty::from_num(global::initial_block_difficulty()), nonce: 1060, pow: core::Proof::new(vec![ 0x1940730, 0x333b9d0, 0x4739d6f, 0x4c6cfb1, 0x6e3d6c3, 0x74408a3, 0x7ba2bd2, 0x83e2024, 0x8ca22b5, 0x9d39ab8, 0xb6646dd, 0xc6698b6, 0xc6f78fe, 0xc99b662, 0xcf2ae8c, 0xcf41eed, 0xdd073e6, 0xded6af8, 0xf08d1a5, 0x1156a144, 0x11d1160a, 0x131bb0a5, 0x137ad703, 0x13b0831f, 0x1421683f, 0x147e3c1f, 0x1496fda0, 0x150ba22b, 0x15cc5bc6, 0x16edf697, 0x17ced40c, 0x17d84f9e, 0x18a515c1, 0x19320d9c, 0x19da4f6d, 0x1b50bcb1, 0x1b8bc72f, 0x1c7b6964, 0x1d07b3a9, 0x1d189d4d, 0x1d1f9a15, 0x1dafcd41, ]), ..Default::default() }, inputs: vec![], outputs: vec![], kernels: vec![], } } /// Placeholder for mainnet genesis block, will definitely change before /// release so no use trying to pre-mine it. pub fn genesis_main() -> core::Block { core::Block { header: core::BlockHeader { height: 0, previous: core::hash::Hash([0xff; 32]), timestamp: time::Tm { tm_year: 2018 - 1900, tm_mon: 7, tm_mday: 14, ..time::empty_tm() }, total_difficulty: Difficulty::from_num(global::initial_block_difficulty()), nonce: global::get_genesis_nonce(), pow: core::Proof::zero(consensus::PROOFSIZE), ..Default::default() }, inputs: vec![], outputs: vec![], kernels: vec![], } }