c4182106af
This is part of the "UTXO Set Statistics" project in Core, which aims to make things like "checking coin supply" faster. This stuff, and related things in coinstats.cpp, have always been broken for Elements in the sense that we consider only explicit outputs and we ignore assets (so everything just gets added together to get a meaningless total). It probably wouldn't be too hard to restrict this to only consider policyAsset, but it's out of scope for a rebase IMO. Also, I think this situation is fine .. I don't understand the motivation for this or why Core is merging this when they refuse to merge an address index .. but I guess we'll see if there are users who care about this data and who care about it being meaningful on Elements. Also, apologies for the big diff -- there were some mechanical changes to deal with CT amounts, but most of the changes related to the difference in how fees are accounted for. While I'm not thrilled with this PR, its functional test is really good! So I think what I eventually came up with is internally consistent. |
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Elements Project blockchain platform
This is the integration and staging tree for the Elements blockchain platform, a collection of feature experiments and extensions to the Bitcoin protocol. This platform enables anyone to build their own businesses or networks pegged to Bitcoin as a sidechain or run as a standalone blockchain with arbitrary asset tokens.
Modes
Elements supports a few different pre-set chains for syncing. Note though some are intended for QA and debugging only:
- Liquid mode:
elementsd -chain=liquidv1(syncs with Liquid network) - Bitcoin mainnet mode:
elementsd -chain=main(not intended to be run for commerce) - Bitcoin testnet mode:
elementsd -chain=testnet3 - Bitcoin regtest mode:
elementsd -chain=regtest - Elements custom chains: Any other
-chain=argument. It has regtest-like default parameters that can be over-ridden by the user by a rich set of start-up options.
Confidential Assets
The latest feature in the Elements blockchain platform is Confidential Assets, the ability to issue multiple assets on a blockchain where asset identifiers and amounts are blinded yet auditable through the use of applied cryptography.
- Announcement of Confidential Assets
- Confidential Assets Whitepaper to be presented April 7th at Financial Cryptography 2017 in Malta
- Confidential Assets Tutorial
- Confidential Assets Demo
- Elements Code Tutorial covering blockchain configuration and how to use the main features.
Features of the Elements blockchain platform
Compared to Bitcoin itself, it adds the following features:
- Confidential Assets
- Confidential Transactions
- Federated Two-Way Peg
- Signed Blocks
- Additional opcodes
Previous elements that have been integrated into Bitcoin:
- Segregated Witness
- Relative Lock Time
Elements deferred for additional research and standardization:
Additional RPC commands and parameters:
The CI (Continuous Integration) systems make sure that every pull request is built for Windows, Linux, and macOS, and that unit/sanity tests are run automatically.
License
Elements is released under the terms of the MIT license. See COPYING for more information or see http://opensource.org/licenses/MIT.
What is the Elements Project?
Elements is an open source, sidechain-capable blockchain platform. It also allows experiments to more rapidly bring technical innovation to the Bitcoin ecosystem.
Learn more on the Elements Project website
https://github.com/ElementsProject/elementsproject.github.io