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feat(advance-runner): get on-chain machine hash
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// (c) Cartesi and individual authors (see AUTHORS) | ||
// SPDX-License-Identifier: Apache-2.0 (see LICENSE) | ||
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use contracts::cartesi_dapp::CartesiDApp; | ||
use rollups_events::{Address, Hash}; | ||
use snafu::{ResultExt, Snafu}; | ||
use state_fold_types::ethers::{ | ||
prelude::ContractError, | ||
providers::{Http, Provider, RetryClient}, | ||
}; | ||
use std::sync::Arc; | ||
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const MAX_RETRIES: u32 = 10; | ||
const INITIAL_BACKOFF: u64 = 1000; | ||
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#[derive(Debug, Snafu)] | ||
pub enum DappContractError { | ||
#[snafu(display("failed to create a json rpc client"))] | ||
CreateRpcClientError { source: url::ParseError }, | ||
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#[snafu(display("failed to obtain hash from dapp contract"))] | ||
ContractError { | ||
source: ContractError<Provider<RetryClient<Http>>>, | ||
}, | ||
} | ||
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pub async fn get_template_hash( | ||
dapp_address: Address, | ||
provider_http_endpoint: String, | ||
) -> Result<Hash, DappContractError> { | ||
let provider = Provider::new_client( | ||
&provider_http_endpoint, | ||
MAX_RETRIES, | ||
INITIAL_BACKOFF, | ||
) | ||
.context(CreateRpcClientSnafu)?; | ||
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let cartesi_dapp = | ||
CartesiDApp::new(dapp_address.inner(), Arc::new(provider)); | ||
|
||
let template_hash = cartesi_dapp | ||
.get_template_hash() | ||
.call() | ||
.await | ||
.context(ContractSnafu)?; | ||
|
||
Ok(Hash::new(template_hash)) | ||
} |
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