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Use ProviderFactory::new_with_database_path in example (#9715)

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This commit is contained in:
Miguel
2024-07-22 17:57:51 -03:00
committed by GitHub
parent b2276e44f5
commit 635bd90b1d
1 changed files with 4 additions and 7 deletions
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11
examples/db-access/src/main.rs
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@ -1,5 +1,4 @@
use reth_chainspec::ChainSpecBuilder;
use reth_db::open_db_read_only;
use reth_primitives::{Address, B256};
use reth_provider::{
providers::StaticFileProvider, AccountReader, BlockReader, BlockSource, HeaderProvider,
@ -16,20 +15,18 @@ use std::path::Path;
// Other parts of the code which include caching are parts of the `EthApi` abstraction.
fn main() -> eyre::Result<()> {
// Opens a RO handle to the database file.
// TODO: Should be able to do `ProviderFactory::new_with_db_path_ro(...)` instead of
// doing in 2 steps.
let db_path = std::env::var("RETH_DB_PATH")?;
let db_path = Path::new(&db_path);
let db = open_db_read_only(db_path.join("db").as_path(), Default::default())?;
// Instantiate a provider factory for Ethereum mainnet using the provided DB.
// TODO: Should the DB version include the spec so that you do not need to specify it here?
let spec = ChainSpecBuilder::mainnet().build();
let factory = ProviderFactory::new(
db,
let factory = ProviderFactory::new_with_database_path(
db_path,
spec.into(),
Default::default(),
StaticFileProvider::read_only(db_path.join("static_files"))?,
);
)?;
// This call opens a RO transaction on the database. To write to the DB you'd need to call
// the `provider_rw` function and look for the `Writer` variants of the traits.