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use std::collections::HashSet;
use ethkey::Address;
use dir::{GethDirectory, KeyDirectory, DirectoryType};
use Error;
pub fn import_accounts(src: &KeyDirectory, dst: &KeyDirectory) -> Result<Vec<Address>, Error> {
let accounts = src.load()?;
let existing_accounts = dst.load()?.into_iter().map(|a| a.address).collect::<HashSet<_>>();
accounts.into_iter()
.filter(|a| !existing_accounts.contains(&a.address))
.map(|a| {
let address = a.address.clone();
dst.insert(a)?;
Ok(address)
}).collect()
}
pub fn read_geth_accounts(testnet: bool) -> Vec<Address> {
let t = if testnet {
DirectoryType::Testnet
} else {
DirectoryType::Main
};
GethDirectory::open(t)
.load()
.map(|d| d.into_iter().map(|a| a.address).collect())
.unwrap_or_else(|_| Vec::new())
}
pub fn import_geth_accounts(dst: &KeyDirectory, desired: HashSet<Address>, testnet: bool) -> Result<Vec<Address>, Error> {
let t = if testnet {
DirectoryType::Testnet
} else {
DirectoryType::Main
};
let src = GethDirectory::open(t);
let accounts = src.load()?;
let existing_accounts = dst.load()?.into_iter().map(|a| a.address).collect::<HashSet<_>>();
accounts.into_iter()
.filter(|a| !existing_accounts.contains(&a.address))
.filter(|a| desired.contains(&a.address))
.map(|a| {
let address = a.address.clone();
dst.insert(a)?;
Ok(address)
}).collect()
}