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Andrew Poelstra 6eed792d43
Merge ElementsProject/elements#1050: wallet: fix a pile of bugs in transaction funding logic 
a67a2df330 pset: remove one more intermediate-zero check from the blinding logic (Andrew Poelstra)
9eb285c19d test: add test for confidential non-wallet-owned change (Andrew Poelstra)
185d473fe8 walletcreatefundedpsbt: add functional test for blinding edge cases (Andrew Poelstra)
533da12c2c wallet: make sure extra OP_RETURN output is blinded when called from fundraw (Andrew Poelstra)
b09b63bd1b pset: allow input blinding factors to sum to zero, or value to be 0 (Andrew Poelstra)
9afcb83baf wallet: correctly handle blinding of manually-set change addresses (Andrew Poelstra)
9813c3e74a wallet: fix "cannot unblind IsMine output" check in SignPSBT (Andrew Poelstra)
7103471fd5 walletcreatefundedpsbt: signal blinding data correctly to `FundTransaction` (Andrew Poelstra)

Pull request description:

  Fixes #1049

  Needs backport to 0.21 (and a new rc).

  Although there are several bugs here, none affect the functionaries. There is a more thorough summary in the second-to-last commit message.

ACKs for top commit:
  achow101:
    ACK a67a2df330

Tree-SHA512: 25066c29f080e43cd00c5b33c60a986a8cb5bbf4ca01ceb3b4182c5b8f61979a1d6d946b8f28fa871ec90f44bdb6fc22014b5c11280cf081181db102cd588cdf
2021-10-02 15:13:45 +00:00
.github doc: Remove label from good first issue template 2020-08-24 09:31:24 +02:00
.tx tx: Update transifex slug for 0.21 2020-10-01 22:19:11 +02:00
build-aux/m4 Squashed 'src/secp256k1/' changes from 0129b77767e..90580edcc98 2021-07-28 22:05:08 +00:00
build_msvc Merge #19953: Implement BIP 340-342 validation (Schnorr/taproot/tapscript) 2020-10-15 10:22:35 +02:00
ci ci: backport bitcoin #20413 changes to nowallet bionic test 2021-07-30 16:58:43 +00:00
contrib pset tutorial: add combinepsbt safety checks, expand comments 2021-10-01 00:54:00 +00:00
depends build: set minimum supported macOS to 10.14 2021-07-11 18:43:54 +00:00
doc pset: only check asset/amount proofs in case both explicit+blinded values are provided 2021-09-21 20:33:28 +00:00
share build: set minimum supported macOS to 10.14 2021-07-11 18:43:54 +00:00
src Merge ElementsProject/elements#1050: wallet: fix a pile of bugs in transaction funding logic 2021-10-02 15:13:45 +00:00
test Merge ElementsProject/elements#1050: wallet: fix a pile of bugs in transaction funding logic 2021-10-02 15:13:45 +00:00
.appveyor.yml ci: Use the previous build worker image in AppVeyor 2020-11-15 09:12:06 +02:00
.cirrus.yml Squashed 'src/secp256k1/' changes from 0129b77767e..90580edcc98 2021-07-28 22:05:08 +00:00
.fuzzbuzz.yml ci: Add fuzzbuzz integration 2020-04-14 16:38:26 +00:00
.gitattributes Separate protocol versioning from clientversion 2014-10-29 00:24:40 -04:00
.gitignore Squashed 'src/secp256k1/' changes from 0129b77767e..90580edcc98 2021-07-28 22:05:08 +00:00
.python-version .python-version: Specify full version 3.5.6 2019-03-02 12:06:26 -05:00
.style.yapf test: .style.yapf: Set column_limit=160 2019-03-04 18:28:13 -05:00
.travis.yml Squashed 'src/secp256k1/' changes from 0129b77767e..90580edcc98 2021-07-28 22:05:08 +00:00
autogen.sh scripted-diff: Bump copyright of files changed in 2019 2019-12-30 10:42:20 +13:00
CODEOWNERS doc: Add comments and additional reviewers to CODEOWNERS file 2020-09-01 11:23:58 -04:00
configure.ac Squashed 'src/secp256k1/' changes from 0129b77767e..90580edcc98 2021-07-28 22:05:08 +00:00
CONTRIBUTING.md Merge 6ea7348122 into merged_master (Bitcoin PR #19638) 2020-11-27 03:15:08 +00:00
COPYING doc: Update license year range to 2020 2019-12-26 23:11:21 +01:00
INSTALL.md Update INSTALL landing redirection notice for build instructions. 2016-10-06 12:27:23 +13:00
libbitcoinconsensus.pc.in build: remove libcrypto as internal dependency in libbitcoinconsensus.pc 2019-11-19 15:03:44 +01:00
Makefile.am Squashed 'src/secp256k1/' changes from 0129b77767e..90580edcc98 2021-07-28 22:05:08 +00:00
README.md Squashed 'src/secp256k1/' changes from 0129b77767e..90580edcc98 2021-07-28 22:05:08 +00:00
SECURITY.md Squashed 'src/secp256k1/' changes from 43dd1f4fe7..0129b77767 2020-12-16 19:59:59 +00:00

README.md

Elements Project blockchain platform

Build Status

https://elementsproject.org

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.

Features of the Elements blockchain platform

Compared to Bitcoin itself, it adds the following features:

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

Secure Reporting

See our vulnerability reporting guide