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Minimal implementation of the Mimblewimble protocol.
408 commits 7 branches 73 tags 37 MiB
Rust 99.8%
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AntiochP 6fb085a823 Fix bad case of trying to rewind to block at height 0 (#271) 
* bad case of trying to rewind to block header height 0
* rewind_to_genesis appears to work
* do not assume genesis block at height 0 is empty, pass full block in to rewind, check for last output and kernel, use index 0 if block is empty
2017-11-15 15:37:40 -05:00
.hooks add lock_height to Transaction and TxKernel (#167) 2017-10-11 18:12:01 +00:00
api Wallet output selection performance (#238) 2017-11-07 11:48:37 -05:00
chain Fix bad case of trying to rewind to block at height 0 (#271) 2017-11-15 15:37:40 -05:00
config Cleanup HTTP APIs, update ports to avoid gap, rustfmt 2017-10-31 19:42:56 -04:00
core Major fee bump to come to more reasonable values 2017-11-14 20:14:07 -05:00
doc Correct dir name in advanced example+fix typo (#262) 2017-11-13 20:27:53 -05:00
grin Fix bad case of trying to rewind to block at height 0 (#271) 2017-11-15 15:37:40 -05:00
keychain cache key_id->derivation in the keychain (#253) 2017-11-10 10:12:15 -05:00
p2p more robust peer handling (#244) 2017-11-14 13:57:16 -05:00
pool Major fee bump to come to more reasonable values 2017-11-14 20:14:07 -05:00
pow add premined pow solution for cuckoo16/UserTesting (#260) 2017-11-13 10:24:49 -05:00
src/bin pass in max_transactions to wallet send/burn from grin.rs (#272) 2017-11-15 13:56:35 -05:00
store Fix #235 sumtree size double-counting rm log 2017-11-04 13:34:33 -04:00
util Wallet output selection performance (#238) 2017-11-07 11:48:37 -05:00
wallet pass in max_transactions to wallet send/burn from grin.rs (#272) 2017-11-15 13:56:35 -05:00
.gitignore keychain crate (no more secretkeys in core) (#146) 2017-10-03 00:02:31 +00:00
.travis.yml keychain crate (no more secretkeys in core) (#146) 2017-10-03 00:02:31 +00:00
Cargo.toml tweaks to logging configuration (#176) 2017-10-13 16:42:04 +00:00
CODE_OF_CONDUCT.md Update moderation team email 2017-09-29 20:50:49 +00:00
CONTRIBUTING.md updating contribution guidelines with info on how to submit documentation changes 2017-11-07 21:45:52 +00:00
grin.toml Don't burn reward by default 2017-11-01 16:33:32 -04:00
LICENSE Create LICENSE 2017-06-29 09:24:44 -07:00
README.md Fixing repository links after move 2017-10-23 17:20:32 +00:00
rustfmt.toml Start of a binary file for the grin node 2017-04-24 18:55:01 -07:00

README.md

Build Status Gitter chat

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 (at least to start with).
  • Relatively fast block time (a minute or less, possibly decreasing as networks improve).
  • Fixed block reward, both over time and in blocks (fees are not additive).
  • Transaction fees are based on the number of UTXO 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.