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[r2r] Allow passing Zcash params file path to activation request #1538

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merged 7 commits into from
Nov 10, 2022
Merged

[r2r] Allow passing Zcash params file path to activation request #1538

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3db76a3
zcash_params_path added in activation params
laruh Nov 9, 2022
61177a1
Merge remote-tracking branch 'origin/dev' into passing_Zcash_params_f…
laruh Nov 9, 2022
4d45bf2
Merge remote-tracking branch 'origin/dev' into passing_Zcash_params_f…
laruh Nov 9, 2022
d92f8d9
remove log
laruh Nov 9, 2022
fd8b045
add async_blocking
laruh Nov 10, 2022
6d21964
Merge remote-tracking branch 'origin/dev' into passing_Zcash_params_f…
laruh Nov 10, 2022
badb919
async_blocking sightly changed
laruh Nov 10, 2022
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26 changes: 23 additions & 3 deletions mm2src/coins/z_coin.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -107,6 +107,8 @@ const DEX_FEE_OVK: OutgoingViewingKey = OutgoingViewingKey([7; 32]);
const DEX_FEE_Z_ADDR: &str = "zs1rp6426e9r6jkq2nsanl66tkd34enewrmr0uvj0zelhkcwmsy0uvxz2fhm9eu9rl3ukxvgzy2v9f";
const TRANSACTIONS_TABLE: &str = "transactions";
const BLOCKS_TABLE: &str = "blocks";
const SAPLING_SPEND_NAME: &str = "sapling-spend.params";
const SAPLING_OUTPUT_NAME: &str = "sapling-output.params";

#[derive(Clone, Debug, Serialize, Deserialize)]
pub struct ZcoinConsensusParams {
Expand Down Expand Up @@ -700,6 +702,7 @@ pub struct ZcoinActivationParams {
pub mode: ZcoinRpcMode,
pub required_confirmations: Option<u64>,
pub requires_notarization: Option<bool>,
pub zcash_params_path: Option<String>,
}

pub async fn z_coin_from_conf_and_params(
Expand Down Expand Up @@ -763,9 +766,26 @@ impl<'a> UtxoCoinWithIguanaPrivKeyBuilder for ZCoinBuilder<'a> {
.expect("DEX_FEE_Z_ADDR is a valid z-address")
.expect("DEX_FEE_Z_ADDR is a valid z-address");

let z_tx_prover = async_blocking(LocalTxProver::with_default_location)
.await
.or_mm_err(|| ZCoinBuildError::ZCashParamsNotFound)?;
let z_tx_prover = match &self.z_coin_params.zcash_params_path {
None => async_blocking(LocalTxProver::with_default_location)
.await
.or_mm_err(|| ZCoinBuildError::ZCashParamsNotFound)?,
Some(file_path) => {
let path = PathBuf::from(file_path);
async_blocking(move || {
let (spend_path, output_path) = if path.exists() {
(path.join(SAPLING_SPEND_NAME), path.join(SAPLING_OUTPUT_NAME))
} else {
return MmError::err(ZCoinBuildError::ZCashParamsNotFound);
};
if !(spend_path.exists() && output_path.exists()) {
return MmError::err(ZCoinBuildError::ZCashParamsNotFound);
}
Ok(LocalTxProver::new(&spend_path, &output_path))
})
.await?
},
};

let my_z_addr_encoded = encode_payment_address(
self.protocol_info.consensus_params.hrp_sapling_payment_address(),
Expand Down