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13 releases

0.2.5	Sep 23, 2020
0.2.4	Sep 15, 2020
0.2.0	Aug 30, 2020
0.1.3	Aug 29, 2020
0.0.3	Aug 28, 2020

#11 in #leaf

30 downloads per month

GPL-3.0-or-later

330KB
6.5K SLoC

Shadow

The shadow service for relayers and verify workers to retrieve header data and generate proof. Shadow will index the data it needs from blockchain nodes, such as Ethereum and Darwinia.

Usage

shadow 0.2.5

USAGE:
    shadow <SUBCOMMAND>

FLAGS:
    -h, --help       Prints help information
    -V, --version    Prints version information

SUBCOMMANDS:
    count    Current block height in mmr store
    help     Prints this message or the help of the given subcommand(s)
    run      Start shadow service
    trim     Trim mmr from target leaf

Download

$ cargo install darwinia-shadow

Note

Please make sure you have golang installed in your machine

Environment

ENV	Desc	Example
`ETHEREUM_RPC`	The rpc of ethereum node	ETHEREUM_RPC=http://localhost:8545
`ETHEREUM_ROPSTEN`	Enable ropsten source	ETHEREUM_ROPSTEN=true
`MMR_LOG`	The gap of mmr logs	MMR_LOG=10000

Trouble Shooting

Everytime you run proof in error, please delete ~/.ethashproof and ~/.ethash and retry.

LICENSE

GPL-3.0

Dependencies

~53–74MB
~1.5M SLoC