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Refactor load_abi to return ethabi::Contract type

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This commit is contained in:
silverpill 2022-06-29 14:35:13 +00:00
parent f8aaeb01a7
commit 6615f372e2
1 changed files with 22 additions and 17 deletions
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39
src/ethereum/contracts.rs
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@ -4,6 +4,7 @@ use std::path::Path;
use web3::{
api::Web3,
contract::{Contract, Options},
ethabi,
transports::Http,
};
@ -30,20 +31,24 @@ pub enum ArtifactError {
#[error("key error")]
KeyError,
#[error(transparent)]
AbiError(#[from] ethabi::Error),
}
fn load_abi(
contract_dir: &Path,
contract_name: &str,
) -> Result<Vec<u8>, ArtifactError> {
let contract_artifact_path = contract_dir.join(format!("{}.json", contract_name));
let contract_artifact = fs::read_to_string(contract_artifact_path)?;
let contract_artifact_value: serde_json::Value =
serde_json::from_str(&contract_artifact)?;
let contract_abi = contract_artifact_value.get("abi")
) -> Result<ethabi::Contract, ArtifactError> {
let artifact_path = contract_dir.join(format!("{}.json", contract_name));
let artifact = fs::read_to_string(artifact_path)?;
let artifact_value: serde_json::Value =
serde_json::from_str(&artifact)?;
let abi_json = artifact_value.get("abi")
.ok_or(ArtifactError::KeyError)?
.to_string().as_bytes().to_vec();
Ok(contract_abi)
.to_string();
let abi = ethabi::Contract::load(abi_json.as_bytes())?;
Ok(abi)
}
#[derive(Clone)]
@ -72,22 +77,22 @@ pub async fn get_contracts(
};
let adapter_abi = load_abi(&config.contract_dir, ADAPTER)?;
let adapter_address = parse_address(&config.contract_address)?;
let adapter = Contract::from_json(
let adapter = Contract::new(
web3.eth(),
adapter_address,
&adapter_abi,
)?;
adapter_abi,
);
let collectible_address = adapter.query(
"collectible",
(), None, Options::default(), None,
).await?;
let collectible_abi = load_abi(&config.contract_dir, ERC721)?;
let collectible = Contract::from_json(
let collectible = Contract::new(
web3.eth(),
collectible_address,
&collectible_abi,
)?;
collectible_abi,
);
log::info!("collectible item contract address is {:?}", collectible.address());
let subscription_address = adapter.query(
@ -95,11 +100,11 @@ pub async fn get_contracts(
(), None, Options::default(), None,
).await?;
let subscription_abi = load_abi(&config.contract_dir, SUBSCRIPTION)?;
let subscription = Contract::from_json(
let subscription = Contract::new(
web3.eth(),
subscription_address,
&subscription_abi,
)?;
subscription_abi,
);
log::info!("subscription contract address is {:?}", subscription.address());
let current_block = get_current_block_number(&web3, storage_dir).await?;