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Fix new clippy lints (#2036)

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## Issue Addressed

NA

## Proposed Changes

Fixes new clippy lints in the whole project (mainly [manual_strip](https://rust-lang.github.io/rust-clippy/master/index.html#manual_strip) and [unnecessary_lazy_evaluations](https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations)). Furthermore, removes `to_string()` calls on literals when used with the `?`-operator.
This commit is contained in:
blacktemplar
2020-12-03 01:10:26 +00:00
parent d3f0a21436
commit d8cda2d86e
71 changed files with 314 additions and 364 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
beacon_node/eth1/src/http.rs
View File

@@ -83,9 +83,9 @@ pub async fn get_network_id(endpoint: &str, timeout: Duration) -> Result<Eth1Id,
let response_body = send_rpc_request(endpoint, "net_version", json!([]), timeout).await?;
Eth1Id::from_str(
response_result(&response_body)?
.ok_or_else(|| "No result was returned for network id".to_string())?
.ok_or("No result was returned for network id")?
.as_str()
.ok_or_else(|| "Data was not string")?,
.ok_or("Data was not string")?,
)
}
@@ -94,9 +94,9 @@ pub async fn get_chain_id(endpoint: &str, timeout: Duration) -> Result<Eth1Id, S
let response_body = send_rpc_request(endpoint, "eth_chainId", json!([]), timeout).await?;
hex_to_u64_be(
response_result(&response_body)?
.ok_or_else(|| "No result was returned for chain id".to_string())?
.ok_or("No result was returned for chain id")?
.as_str()
.ok_or_else(|| "Data was not string")?,
.ok_or("Data was not string")?,
)
.map(Into::into)
}
@@ -115,9 +115,9 @@ pub async fn get_block_number(endpoint: &str, timeout: Duration) -> Result<u64,
let response_body = send_rpc_request(endpoint, "eth_blockNumber", json!([]), timeout).await?;
hex_to_u64_be(
response_result(&response_body)?
.ok_or_else(|| "No result field was returned for block number".to_string())?
.ok_or("No result field was returned for block number")?
.as_str()
.ok_or_else(|| "Data was not string")?,
.ok_or("Data was not string")?,
)
.map_err(|e| format!("Failed to get block number: {}", e))
}
@@ -142,11 +142,11 @@ pub async fn get_block(
let response_body = send_rpc_request(endpoint, "eth_getBlockByNumber", params, timeout).await?;
let hash = hex_to_bytes(
response_result(&response_body)?
.ok_or_else(|| "No result field was returned for block".to_string())?
.ok_or("No result field was returned for block")?
.get("hash")
.ok_or_else(|| "No hash for block")?
.ok_or("No hash for block")?
.as_str()
.ok_or_else(|| "Block hash was not string")?,
.ok_or("Block hash was not string")?,
)?;
let hash = if hash.len() == 32 {
Ok(Hash256::from_slice(&hash))
@@ -156,20 +156,20 @@ pub async fn get_block(
let timestamp = hex_to_u64_be(
response_result(&response_body)?
.ok_or_else(|| "No result field was returned for timestamp".to_string())?
.ok_or("No result field was returned for timestamp")?
.get("timestamp")
.ok_or_else(|| "No timestamp for block")?
.ok_or("No timestamp for block")?
.as_str()
.ok_or_else(|| "Block timestamp was not string")?,
.ok_or("Block timestamp was not string")?,
)?;
let number = hex_to_u64_be(
response_result(&response_body)?
.ok_or_else(|| "No result field was returned for number".to_string())?
.ok_or("No result field was returned for number")?
.get("number")
.ok_or_else(|| "No number for block")?
.ok_or("No number for block")?
.as_str()
.ok_or_else(|| "Block number was not string")?,
.ok_or("Block number was not string")?,
)?;
if number <= usize::max_value() as u64 {
@@ -287,7 +287,7 @@ async fn call(
let hex = result
.as_str()
.map(|s| s.to_string())
.ok_or_else(|| "'result' value was not a string".to_string())?;
.ok_or("'result' value was not a string")?;
Ok(Some(hex_to_bytes(&hex)?))
}
@@ -322,23 +322,23 @@ pub async fn get_deposit_logs_in_range(
let response_body = send_rpc_request(endpoint, "eth_getLogs", params, timeout).await?;
response_result(&response_body)?
.ok_or_else(|| "No result field was returned for deposit logs".to_string())?
.ok_or("No result field was returned for deposit logs")?
.as_array()
.cloned()
.ok_or_else(|| "'result' value was not an array".to_string())?
.ok_or("'result' value was not an array")?
.into_iter()
.map(|value| {
let block_number = value
.get("blockNumber")
.ok_or_else(|| "No block number field in log")?
.ok_or("No block number field in log")?
.as_str()
.ok_or_else(|| "Block number was not string")?;
.ok_or("Block number was not string")?;
let data = value
.get("data")
.ok_or_else(|| "No block number field in log")?
.ok_or("No block number field in log")?
.as_str()
.ok_or_else(|| "Data was not string")?;
.ok_or("Data was not string")?;
Ok(Log {
block_number: hex_to_u64_be(&block_number)?,
@@ -389,7 +389,7 @@ pub async fn send_rpc_request(
let encoding = response
.headers()
.get(CONTENT_TYPE)
.ok_or_else(|| "No content-type header in response".to_string())?
.ok_or("No content-type header in response")?
.to_str()
.map(|s| s.to_string())
.map_err(|e| format!("Failed to parse content-type header: {}", e))?;
@@ -443,8 +443,8 @@ fn hex_to_bytes(hex: &str) -> Result<Vec<u8>, String> {
/// Removes the `0x` prefix from some bytes. Returns an error if the prefix is not present.
fn strip_prefix(hex: &str) -> Result<&str, String> {
if hex.starts_with("0x") {
Ok(&hex[2..])
if let Some(stripped) = hex.strip_prefix("0x") {
Ok(stripped)
} else {
Err("Hex string did not start with `0x`".to_string())
}