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Make it easier to verify the Sapling parameters #2

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Make it easier to verify the Sapling parameters #2

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0535fae
cargo fmt
str4d Feb 11, 2019
60069d9
Load individual parameter files if the combined file is not present
str4d Feb 11, 2019
94174dc
Provide updates on verification progress
str4d Feb 11, 2019
b2d83a7
Update README
str4d Feb 11, 2019
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171 changes: 167 additions & 4 deletions Cargo.lock
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3 changes: 2 additions & 1 deletion Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ name = "verify_transform"
name = "split_params"

[dependencies]
dirs = { version = "1", optional = true }
phase2 = "0.2.1"
pairing = "0.14"
rand = "0.4"
Expand All @@ -44,6 +45,6 @@ version = "0.1"
optional = true

[features]
verification = ["sapling-crypto"]
verification = ["dirs", "sapling-crypto"]
u128-support = ["pairing/u128-support"]
beacon = ["byteorder", "hex-literal"]
20 changes: 19 additions & 1 deletion README.md
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Expand Up @@ -2,7 +2,25 @@

This code can be used to participate and verify the Sapling network upgrade MPC.

## What do I do?
## How do I verify the Sapling parameters?

1. Download these three files from the [Powers of Tau ceremony](https://lists.zfnd.org/pipermail/zapps-wg/2018/000362.html) and place them in your current directory:
* `phase1radix2m13`
* `phase1radix2m17`
* `phase1radix2m21`

2. Ensure you have downloaded the Sapling parameters. If you have Zcash installed on Debian or Ubuntu, you can run `zcash-fetch-params` to obtain them; otherwise, download the Zcash source code, and then run `./zcutil/fetch-params.sh` to obtain them.

3. Run the following command:
```sh
cargo run --release --bin verify --features="verification"
```

## How do I participate?

The Sapling ceremony is complete!

### How did participation work?

Contact **[email protected]** to schedule a time to participate. You'll need the latest (stable) [Rust compiler](https://www.rust-lang.org/) to participate using this code.

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