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Minimal implementation of the Mimblewimble protocol.
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Ignotus Peverell c460f9876a
Improvements to orphan handling to help sync (#931) 
Our chain orphans data structure now does:

* Eviction based on a max total number of orphaned blocks
* Evicts further away first, then too old
* Avoids all cloning (blocks can be big)

This allows sync to be a little more stupid, only reducing the
number of blocks it requests when orphans get nearly full.

Fixes #897
2018-04-05 03:24:43 +00:00
.hooks rustfmt now runs and reformats files (need to opt out explicitly) (#743) 2018-03-03 19:10:15 +00:00
api Fix header_by_height (#922) 2018-04-02 23:10:30 +00:00
chain Improvements to orphan handling to help sync (#931) 2018-04-05 03:24:43 +00:00
config Genesis, version changes and doc for testnet2 (#865) 2018-03-26 10:48:46 +01:00
core use std lib function in pmmr for all_ones() and most_significant_pos() (#924) 2018-04-04 13:25:03 +01:00
doc Added @tromp's idea of a server-facilitated interaction 2018-04-03 21:15:12 +01:00
grin Improvements to orphan handling to help sync (#931) 2018-04-05 03:24:43 +00:00
keychain Genesis, version changes and doc for testnet2 (#865) 2018-03-26 10:48:46 +01:00
p2p Sync improvements (#923) 2018-04-03 20:21:13 +00:00
pool Randomize Dandelion timer (#928) 2018-04-04 17:14:58 +00:00
pow async difficulty check 2018-04-02 10:08:29 +01:00
src Tui update 1 (#911) 2018-03-29 12:29:17 +01:00
store Fix buffer index in compact 2018-04-02 21:49:35 +01:00
util Genesis, version changes and doc for testnet2 (#865) 2018-03-26 10:48:46 +01:00
wallet Cleans the wallet awaiting confirmation when destination is incorrect. Fix #900 (#902) 2018-03-28 16:36:10 +00:00
.gitignore Fix gitignore pattern for iml files (#869) 2018-03-26 09:16:38 +01:00
.gitlab-ci.yml Add gitlab ci config (#860) 2018-03-25 17:41:49 +00:00
.travis.yml Trying Travis building in release mode 2018-03-22 23:11:06 +00:00
Cargo.lock Fix buffer index in compact 2018-04-02 21:49:35 +01:00
Cargo.toml Genesis, version changes and doc for testnet2 (#865) 2018-03-26 10:48:46 +01:00
CODE_OF_CONDUCT.md fix grammar issue (go the extra step --> go the extra mile) (#688) 2018-02-07 10:00:42 +00:00
CONTRIBUTING.md Cleanup docs before testnet2 (#798) 2018-03-17 18:08:40 +00:00
grin.toml Improvements to orphan handling to help sync (#931) 2018-04-05 03:24:43 +00:00
LICENSE Create LICENSE 2017-06-29 09:24:44 -07:00
README.md Minor updates 2018-03-25 23:35:06 +01:00
rustfmt.toml cannot use write_mode in rustfmt.toml in stable (get rid of the warnings) (#752) 2018-03-05 15:23:52 -05:00

README.md

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Grin

Grin is an in-progress implementation of the MimbleWimble protocol. Many characteristics are still undefined but the following constitutes a first set of choices:

  • Clean and minimal implementation, aiming to stay as such.
  • Follows the MimbleWimble protocol, which provides great anonymity and scaling characteristics.
  • Cuckoo Cycle proof of work.
  • Relatively fast block time (a minute).
  • Fixed block reward over time with a decreasing dilution.
  • Transaction fees are based on the number of Outputs created/destroyed and total transaction size.
  • Smooth curve for difficulty adjustments.

To learn more, read our introduction to MimbleWimble and Grin.

Status

Grin is still an infant, much is left to be done and contributions are welcome (see below). Check our mailing list archives for the latest status.

Contributing

To get involved, read our contributing docs.

Find us:

Getting Started

To learn more about the technology, read our introduction.

To build and try out Grin, see the build docs.

Philosophy

Grin likes itself small and easy on the eyes. It wants to be inclusive and welcoming for all walks of life, without judgement. Grin is terribly ambitious, but not at the detriment of others, rather to further us all. It may have strong opinions to stay in line with its objectives, which doesn't mean disrepect of others' ideas.

We believe in pull requests, data and scientific research. We do not believe in unfounded beliefs.

Credits

Tom Elvis Jedusor for the first formulation of MimbleWimble.

Andrew Poelstra for his related work and improvements.

John Tromp for the Cuckoo Cycle proof of work.

J.K. Rowling for making it despite extraordinary adversity.

License

Apache License v2.0.