mirror of
https://github.com/mimblewimble/grin.git
synced 2025-01-21 11:31:08 +03:00
110 lines
3.1 KiB
Rust
110 lines
3.1 KiB
Rust
// Copyright 2018 The Grin Developers
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
//! Common test functions
|
|
|
|
extern crate grin_core;
|
|
extern crate grin_keychain as keychain;
|
|
extern crate grin_util as util;
|
|
extern crate grin_wallet as wallet;
|
|
|
|
use grin_core::core::block::{Block, BlockHeader};
|
|
use grin_core::core::target::Difficulty;
|
|
use grin_core::core::Transaction;
|
|
use keychain::{Identifier, Keychain};
|
|
use wallet::libtx::build::{self, input, output, with_fee};
|
|
use wallet::libtx::reward;
|
|
|
|
// utility producing a transaction with 2 inputs and a single outputs
|
|
pub fn tx2i1o() -> Transaction {
|
|
let keychain = keychain::ExtKeychain::from_random_seed().unwrap();
|
|
let key_id1 = keychain.derive_key_id(1).unwrap();
|
|
let key_id2 = keychain.derive_key_id(2).unwrap();
|
|
let key_id3 = keychain.derive_key_id(3).unwrap();
|
|
|
|
build::transaction(
|
|
vec![
|
|
input(10, key_id1),
|
|
input(11, key_id2),
|
|
output(19, key_id3),
|
|
with_fee(2),
|
|
],
|
|
&keychain,
|
|
).unwrap()
|
|
}
|
|
|
|
// utility producing a transaction with a single input and output
|
|
pub fn tx1i1o() -> Transaction {
|
|
let keychain = keychain::ExtKeychain::from_random_seed().unwrap();
|
|
let key_id1 = keychain.derive_key_id(1).unwrap();
|
|
let key_id2 = keychain.derive_key_id(2).unwrap();
|
|
|
|
build::transaction(
|
|
vec![input(5, key_id1), output(3, key_id2), with_fee(2)],
|
|
&keychain,
|
|
).unwrap()
|
|
}
|
|
|
|
// utility producing a transaction with a single input
|
|
// and two outputs (one change output)
|
|
// Note: this tx has an "offset" kernel
|
|
pub fn tx1i2o() -> Transaction {
|
|
let keychain = keychain::ExtKeychain::from_random_seed().unwrap();
|
|
let key_id1 = keychain.derive_key_id(1).unwrap();
|
|
let key_id2 = keychain.derive_key_id(2).unwrap();
|
|
let key_id3 = keychain.derive_key_id(3).unwrap();
|
|
|
|
build::transaction(
|
|
vec![
|
|
input(6, key_id1),
|
|
output(3, key_id2),
|
|
output(1, key_id3),
|
|
with_fee(2),
|
|
],
|
|
&keychain,
|
|
).unwrap()
|
|
}
|
|
|
|
// utility to create a block without worrying about the key or previous
|
|
// header
|
|
pub fn new_block<K>(
|
|
txs: Vec<&Transaction>,
|
|
keychain: &K,
|
|
previous_header: &BlockHeader,
|
|
key_id: &Identifier,
|
|
) -> Block
|
|
where
|
|
K: Keychain,
|
|
{
|
|
let fees = txs.iter().map(|tx| tx.fee()).sum();
|
|
let reward_output = reward::output(keychain, &key_id, fees, previous_header.height).unwrap();
|
|
Block::new(
|
|
&previous_header,
|
|
txs.into_iter().cloned().collect(),
|
|
Difficulty::one(),
|
|
reward_output,
|
|
).unwrap()
|
|
}
|
|
|
|
// utility producing a transaction that spends an output with the provided
|
|
// value and blinding key
|
|
pub fn txspend1i1o<K>(v: u64, keychain: &K, key_id1: Identifier, key_id2: Identifier) -> Transaction
|
|
where
|
|
K: Keychain,
|
|
{
|
|
build::transaction(
|
|
vec![input(v, key_id1), output(3, key_id2), with_fee(2)],
|
|
keychain,
|
|
).unwrap()
|
|
}
|