feat: extend Middleware trait customized for celo (#314)
* Add CeloMiddleware trait * change types of block number and returned keys
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@ -561,3 +561,17 @@ pub trait Middleware: Sync + Send + Debug {
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.map_err(FromErr::from)
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}
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}
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#[cfg(feature = "celo")]
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#[async_trait]
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pub trait CeloMiddleware: Middleware {
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async fn get_validators_bls_public_keys(
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&self,
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block: Option<BlockId>,
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) -> Result<Vec<Vec<u8>>, ProviderError> {
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self.provider()
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.get_validators_bls_public_keys(block)
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.await
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.map_err(FromErr::from)
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}
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}
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@ -15,6 +15,8 @@ use ethers_core::{
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utils,
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};
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#[cfg(feature = "celo")]
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use crate::CeloMiddleware;
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use crate::Middleware;
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use async_trait::async_trait;
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use hex::FromHex;
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@ -150,6 +152,19 @@ impl<P: JsonRpcClient> Provider<P> {
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}
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}
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#[cfg(feature = "celo")]
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#[async_trait]
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impl<P: JsonRpcClient> CeloMiddleware for Provider<P> {
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async fn get_validators_bls_public_keys(
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&self,
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block: Option<BlockId>,
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) -> Result<Vec<Vec<u8>>, ProviderError> {
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let block = utils::serialize(&block.unwrap_or_else(|| BlockNumber::Latest.into()));
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self.request("istanbul_getValidatorsBLSPublicKeys", [block])
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.await
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}
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}
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#[async_trait]
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impl<P: JsonRpcClient> Middleware for Provider<P> {
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type Error = ProviderError;
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