22cf380984
Several conflicts in the C++ code related to the new `flags` parameter to `CheckSignature` and the corresponding function being renamed upstream to `CheckSignatureECDSA`. Several conflicts in the test harness as Steven sorta pulled the new upstream ECKey module into the Python code, and the actual upstream code was slightly different. Also needed to update the feature_taproot code to always use the non-RANGEPROOF sighash since dynafed is not enabled in the Taproot test. Also had to pull the `set_wif` method out of `ECKey` and inline it because otherwise it triggers a "circular inclusion" error between script.py (which would pull in `base58_to_bytes` from address.py) and address.py (which now pulls in some taproot EC related stuff from script.py). Noticed that #960 does not test the "sighash rangeproof flag set but no witnesses" case. |
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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:
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