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Add proptest for max_giveable and signing PSBT

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Thomas Eizinger 2021-08-12 18:12:40 +10:00
parent e4b5e28a93
commit 475057abda
No known key found for this signature in database
GPG Key ID: 651AC83A6C6C8B96
3 changed files with 36 additions and 0 deletions
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7
swap/proptest-regressions/bitcoin/wallet.txt Normal file
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@ -0,0 +1,7 @@
# Seeds for failure cases proptest has generated in the past. It is
# automatically read and these particular cases re-run before any
# novel cases are generated.
#
# It is recommended to check this file in to source control so that
# everyone who runs the test benefits from these saved cases.
cc 849f8b01f49fc9a913100203698a9151d8de8a37564e1d3b1e3b4169e192f58a # shrinks to funding_amount = 290250686, num_utxos = 3, sats_per_vb = 75.35638, key = ExtendedPrivKey { network: Regtest, depth: 0, parent_fingerprint: 00000000, child_number: Normal { index: 0 }, private_key: [private key data], chain_code: 0b7a29ca6990bbc9b9187c1d1a07e2cf68e32f5ce55d2df01edf8a4ac2ee2a4b }, alice = Point<Normal,Public,NonZero>(0299a8c6a662e2e9e8ee7c6889b75a51c432812b4bf70c1d76eace63abc1bdfb1b), bob = Point<Normal,Public,NonZero>(027165b1f9924030c90d38c511da0f4397766078687997ed34d6ef2743d2a7bbed)

17
swap/src/bitcoin/wallet.rs
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@ -1201,4 +1201,21 @@ DEBUG swap::bitcoin::wallet: Bitcoin transaction status changed txid=00000000000
fn confs(confirmations: u32) -> ScriptStatus {
ScriptStatus::from_confirmations(confirmations)
}
proptest::proptest! {
#[test]
fn funding_never_fails_with_insufficient_funds(funding_amount in 3000u32.., num_utxos in 1..5u8, sats_per_vb in 1.0..500.0f32, key in crate::proptest::bitcoin::extended_priv_key(), alice in crate::proptest::ecdsa_fun::point(), bob in crate::proptest::ecdsa_fun::point()) {
proptest::prop_assume!(alice != bob);
tokio::runtime::Runtime::new().unwrap().block_on(async move {
let wallet = WalletBuilder::new(funding_amount as u64).with_key(key).with_num_utxos(num_utxos).with_fees(sats_per_vb, 1000).build();
let amount = wallet.max_giveable(TxLock::script_size()).await.unwrap();
let psbt: PartiallySignedTransaction = TxLock::new(&wallet, amount, PublicKey::from(alice), PublicKey::from(bob), wallet.new_address().await.unwrap()).await.unwrap().into();
let result = wallet.sign_and_finalize(psbt).await;
result.expect("transaction to be signed");
});
}
}
}

12
swap/src/proptest.rs
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@ -15,3 +15,15 @@ pub mod ecdsa_fun {
})
}
}
pub mod bitcoin {
use super::*;
use ::bitcoin::util::bip32::ExtendedPrivKey;
use ::bitcoin::Network;
pub fn extended_priv_key() -> impl Strategy<Value = ExtendedPrivKey> {
prop::array::uniform8(0..255u8).prop_filter_map("invalid secret key generated", |bytes| {
ExtendedPrivKey::new_master(Network::Regtest, &bytes).ok()
})
}
}