53 lines
1.3 KiB
Rust
53 lines
1.3 KiB
Rust
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use crate::{error::Error, prelude::*};
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use sp_core::Pair as _;
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pub type PairSigner = subxt::tx::PairSigner<subxt::PolkadotConfig, sp_core::sr25519::Pair>;
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pub struct Signer {
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pair: Pair,
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signer: PairSigner,
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}
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impl std::fmt::Display for Signer {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(f, "{}", self.signer.account_id())
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}
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}
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impl Clone for Signer {
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fn clone(&self) -> Self {
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Self { pair: self.pair.clone(), signer: PairSigner::new(self.pair.clone()) }
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}
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}
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impl Signer {
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pub fn new(mut seed_or_path: &str) -> Result<Self, Error> {
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seed_or_path = seed_or_path.trim();
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let seed = match std::fs::read(seed_or_path) {
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Ok(s) => String::from_utf8(s).map_err(|e| Error::Other(e.to_string()))?,
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Err(_) => seed_or_path.to_stirng(),
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};
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let seed = seed.trim();
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let pair = Pair::from_string(seed, None).map_err(Error::Crypto)?;
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let signer = PairSigner::new(pair.clone());
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Ok(Self { pair, signer })
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}
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}
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impl std::ops::Deref for Signer {
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type Target = PairSigner;
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fn deref(&self) -> &Self::Target {
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&self.signer
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}
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}
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impl std::ops::DerefMut for Signer {
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fn deref_mut(&mut self) -> &mut Self::Target {
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&mut self.signer
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}
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}
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