mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
synced 2026-06-11 22:21:07 +00:00
Robert Habermeier
95 lines
2.9 KiB
Rust
95 lines
2.9 KiB
Rust
// Copyright 2017 Parity Technologies (UK) Ltd.
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// This file is part of Polkadot.
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// Polkadot is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Polkadot is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Polkadot. If not, see <http://www.gnu.org/licenses/>.
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//! Transaction type.
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use bytes::{self, Vec};
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use codec::Slicable;
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use runtime_function::Function;
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#[cfg(feature = "std")]
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use std::fmt;
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#[cfg(not(feature = "std"))]
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use alloc::fmt;
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/// A vetted and verified transaction from the external world.
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#[derive(Debug, PartialEq, Eq, Clone, Serialize, Deserialize)]
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pub struct Transaction {
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/// Who signed it (note this is not a signature).
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pub signed: ::AccountId,
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/// The number of transactions have come before from the same signer.
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pub nonce: ::TxOrder,
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/// The function that should be called.
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pub function: Function,
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/// Serialised input data to the function.
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#[serde(with = "bytes")]
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pub input_data: Vec<u8>,
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}
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/// A transactions right from the external world. Unchecked.
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#[derive(Eq, Clone, Serialize, Deserialize)]
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pub struct UncheckedTransaction {
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/// The actual transaction information.
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pub transaction: Transaction,
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/// The signature; should be an Ed25519 signature applied to the serialised `transaction` field.
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pub signature: ::Signature,
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}
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impl Slicable for UncheckedTransaction {
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fn from_slice(value: &mut &[u8]) -> Option<Self> {
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Some(UncheckedTransaction {
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transaction: Transaction {
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signed: try_opt!(Slicable::from_slice(value)),
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nonce: try_opt!(Slicable::from_slice(value)),
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function: try_opt!(Slicable::from_slice(value)),
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input_data: try_opt!(Slicable::from_slice(value)),
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},
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signature: try_opt!(Slicable::from_slice(value)),
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})
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}
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fn to_vec(&self) -> Vec<u8> {
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let mut v = Vec::new();
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self.transaction.signed.as_slice_then(|s| v.extend(s));
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self.transaction.nonce.as_slice_then(|s| v.extend(s));
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self.transaction.function.as_slice_then(|s| v.extend(s));
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self.transaction.input_data.as_slice_then(|s| v.extend(s));
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self.signature.as_slice_then(|s| v.extend(s));
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v
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}
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fn as_slice_then<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R {
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f(self.to_vec().as_slice())
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}
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}
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impl ::codec::NonTrivialSlicable for UncheckedTransaction {}
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impl PartialEq for UncheckedTransaction {
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fn eq(&self, other: &Self) -> bool {
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self.signature.iter().eq(other.signature.iter()) && self.transaction == other.transaction
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}
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}
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impl fmt::Debug for UncheckedTransaction {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "UncheckedTransaction({:?})", self.transaction)
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}
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}
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