From f88af9aa921bde9f84d86f11df40b6623ba45fb5 Mon Sep 17 00:00:00 2001 From: Matt Corallo Date: Sat, 22 Jul 2023 18:19:08 +0000 Subject: [PATCH] Update hard-coded types and add some new manual bitcoin types --- c-bindings-gen/src/types.rs | 85 ++++++++++++++++++------- lightning-c-bindings/src/c_types/mod.rs | 58 ++++++++++++++--- 2 files changed, 111 insertions(+), 32 deletions(-) diff --git a/c-bindings-gen/src/types.rs b/c-bindings-gen/src/types.rs index dc8c3b9..0ff81f8 100644 --- a/c-bindings-gen/src/types.rs +++ b/c-bindings-gen/src/types.rs @@ -548,6 +548,7 @@ impl<'mod_lifetime, 'crate_lft: 'mod_lifetime> ImportResolver<'mod_lifetime, 'cr // Add primitives to the "imports" list: Self::insert_primitive(&mut imports, "bool"); Self::insert_primitive(&mut imports, "u128"); + Self::insert_primitive(&mut imports, "i64"); Self::insert_primitive(&mut imports, "u64"); Self::insert_primitive(&mut imports, "u32"); Self::insert_primitive(&mut imports, "u16"); @@ -814,6 +815,7 @@ fn initial_clonable_types() -> HashSet { res.insert("crate::c_types::Transaction".to_owned()); res.insert("crate::c_types::Witness".to_owned()); res.insert("crate::c_types::WitnessVersion".to_owned()); + res.insert("crate::c_types::TxIn".to_owned()); res.insert("crate::c_types::TxOut".to_owned()); res.insert("crate::c_types::Signature".to_owned()); res.insert("crate::c_types::RecoverableSignature".to_owned()); @@ -948,6 +950,7 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> { pub fn is_primitive(&self, full_path: &str) -> bool { match full_path { "bool" => true, + "i64" => true, "u64" => true, "u32" => true, "u16" => true, @@ -1011,21 +1014,27 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> { "bitcoin::secp256k1::ecdsa::RecoverableSignature" => Some("crate::c_types::RecoverableSignature"), "bitcoin::secp256k1::SecretKey" if is_ref => Some("*const [u8; 32]"), "bitcoin::secp256k1::SecretKey" if !is_ref => Some("crate::c_types::SecretKey"), + "bitcoin::secp256k1::KeyPair" if !is_ref => Some("crate::c_types::SecretKey"), "bitcoin::secp256k1::Scalar" if is_ref => Some("*const crate::c_types::BigEndianScalar"), "bitcoin::secp256k1::Scalar" if !is_ref => Some("crate::c_types::BigEndianScalar"), "bitcoin::secp256k1::ecdh::SharedSecret" if !is_ref => Some("crate::c_types::ThirtyTwoBytes"), - "bitcoin::blockdata::script::Script" if is_ref => Some("crate::c_types::u8slice"), - "bitcoin::blockdata::script::Script" if !is_ref => Some("crate::c_types::derived::CVec_u8Z"), + "bitcoin::blockdata::script::Script"|"bitcoin::Script" if is_ref => Some("crate::c_types::u8slice"), + "bitcoin::blockdata::script::Script"|"bitcoin::Script" if !is_ref => Some("crate::c_types::derived::CVec_u8Z"), "bitcoin::OutPoint"|"bitcoin::blockdata::transaction::OutPoint" => Some("crate::lightning::chain::transaction::OutPoint"), "bitcoin::blockdata::transaction::Transaction"|"bitcoin::Transaction" => Some("crate::c_types::Transaction"), "bitcoin::Witness" => Some("crate::c_types::Witness"), - "bitcoin::TxOut"|"bitcoin::blockdata::transaction::TxOut" if !is_ref => Some("crate::c_types::TxOut"), + "bitcoin::TxIn"|"bitcoin::blockdata::transaction::TxIn" if !is_ref => Some("crate::c_types::TxIn"), + "bitcoin::TxOut"|"bitcoin::blockdata::transaction::TxOut" => Some("crate::c_types::TxOut"), "bitcoin::network::constants::Network" => Some("crate::bitcoin::network::Network"), "bitcoin::util::address::WitnessVersion" => Some("crate::c_types::WitnessVersion"), "bitcoin::blockdata::block::BlockHeader" if is_ref => Some("*const [u8; 80]"), "bitcoin::blockdata::block::Block" if is_ref => Some("crate::c_types::u8slice"), + "bitcoin::PackedLockTime"|"bitcoin::blockdata::locktime::PackedLockTime" => Some("u32"), + + "bitcoin::psbt::PartiallySignedTransaction" if !is_ref => Some("crate::c_types::derived::CVec_u8Z"), + "bitcoin::PubkeyHash"|"bitcoin::hash_types::PubkeyHash"| "bitcoin::hash_types::WPubkeyHash"| "bitcoin::ScriptHash"|"bitcoin::hash_types::ScriptHash" @@ -1045,11 +1054,11 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> { "bitcoin::secp256k1::Message" if !is_ref => Some("crate::c_types::ThirtyTwoBytes"), "lightning::ln::PaymentHash"|"lightning::ln::PaymentPreimage"|"lightning::ln::PaymentSecret" |"lightning::ln::channelmanager::PaymentId"|"lightning::ln::channelmanager::InterceptId" - |"lightning::chain::keysinterface::KeyMaterial" + |"lightning::sign::KeyMaterial"|"lightning::chain::ClaimId" if is_ref => Some("*const [u8; 32]"), "lightning::ln::PaymentHash"|"lightning::ln::PaymentPreimage"|"lightning::ln::PaymentSecret" |"lightning::ln::channelmanager::PaymentId"|"lightning::ln::channelmanager::InterceptId" - |"lightning::chain::keysinterface::KeyMaterial" + |"lightning::sign::KeyMaterial"|"lightning::chain::ClaimId" if !is_ref => Some("crate::c_types::ThirtyTwoBytes"), "lightning::io::Read" => Some("crate::c_types::u8slice"), @@ -1111,23 +1120,29 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> { "bitcoin::secp256k1::ecdsa::RecoverableSignature" => Some(""), "bitcoin::secp256k1::SecretKey" if is_ref => Some("&::bitcoin::secp256k1::SecretKey::from_slice(&unsafe { *"), "bitcoin::secp256k1::SecretKey" if !is_ref => Some(""), + "bitcoin::secp256k1::KeyPair" if !is_ref => Some("::bitcoin::secp256k1::KeyPair::new("), "bitcoin::secp256k1::Scalar" if is_ref => Some("&"), "bitcoin::secp256k1::Scalar" if !is_ref => Some(""), "bitcoin::secp256k1::ecdh::SharedSecret" if !is_ref => Some("::bitcoin::secp256k1::ecdh::SharedSecret::from_bytes("), - "bitcoin::blockdata::script::Script" if is_ref => Some("&::bitcoin::blockdata::script::Script::from(Vec::from("), - "bitcoin::blockdata::script::Script" if !is_ref => Some("::bitcoin::blockdata::script::Script::from("), + "bitcoin::blockdata::script::Script"|"bitcoin::Script" if is_ref => Some("&::bitcoin::blockdata::script::Script::from(Vec::from("), + "bitcoin::blockdata::script::Script"|"bitcoin::Script" if !is_ref => Some("::bitcoin::blockdata::script::Script::from("), "bitcoin::blockdata::transaction::Transaction"|"bitcoin::Transaction" if is_ref => Some("&"), "bitcoin::blockdata::transaction::Transaction"|"bitcoin::Transaction" => Some(""), "bitcoin::Witness" if is_ref => Some("&"), "bitcoin::Witness" => Some(""), "bitcoin::OutPoint"|"bitcoin::blockdata::transaction::OutPoint" => Some("crate::c_types::C_to_bitcoin_outpoint("), + "bitcoin::TxIn"|"bitcoin::blockdata::transaction::TxIn" if !is_ref => Some(""), "bitcoin::TxOut"|"bitcoin::blockdata::transaction::TxOut" if !is_ref => Some(""), "bitcoin::network::constants::Network" => Some(""), "bitcoin::util::address::WitnessVersion" => Some(""), "bitcoin::blockdata::block::BlockHeader" => Some("&::bitcoin::consensus::encode::deserialize(unsafe { &*"), "bitcoin::blockdata::block::Block" if is_ref => Some("&::bitcoin::consensus::encode::deserialize("), + "bitcoin::PackedLockTime"|"bitcoin::blockdata::locktime::PackedLockTime" => Some("::bitcoin::PackedLockTime("), + + "bitcoin::psbt::PartiallySignedTransaction" if !is_ref => Some("::bitcoin::consensus::encode::deserialize("), + "bitcoin::PubkeyHash"|"bitcoin::hash_types::PubkeyHash" if !is_ref => Some("bitcoin::hash_types::PubkeyHash::from_hash(bitcoin::hashes::Hash::from_inner("), "bitcoin::PubkeyHash"|"bitcoin::hash_types::PubkeyHash" if is_ref => @@ -1155,8 +1170,10 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> { "lightning::ln::channelmanager::PaymentId" if is_ref=> Some("&::lightning::ln::channelmanager::PaymentId( unsafe { *"), "lightning::ln::channelmanager::InterceptId" if !is_ref => Some("::lightning::ln::channelmanager::InterceptId("), "lightning::ln::channelmanager::InterceptId" if is_ref=> Some("&::lightning::ln::channelmanager::InterceptId( unsafe { *"), - "lightning::chain::keysinterface::KeyMaterial" if !is_ref => Some("::lightning::chain::keysinterface::KeyMaterial("), - "lightning::chain::keysinterface::KeyMaterial" if is_ref=> Some("&::lightning::chain::keysinterface::KeyMaterial( unsafe { *"), + "lightning::sign::KeyMaterial" if !is_ref => Some("::lightning::sign::KeyMaterial("), + "lightning::sign::KeyMaterial" if is_ref=> Some("&::lightning::sign::KeyMaterial( unsafe { *"), + "lightning::chain::ClaimId" if !is_ref => Some("::lightning::chain::ClaimId("), + "lightning::chain::ClaimId" if is_ref=> Some("&::lightning::chain::ClaimId( unsafe { *"), // List of traits we map (possibly during processing of other files): "lightning::io::Read" => Some("&mut "), @@ -1210,20 +1227,26 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> { "bitcoin::secp256k1::ecdsa::RecoverableSignature" => Some(".into_rust()"), "bitcoin::secp256k1::SecretKey" if !is_ref => Some(".into_rust()"), "bitcoin::secp256k1::SecretKey" if is_ref => Some("}[..]).unwrap()"), + "bitcoin::secp256k1::KeyPair" if !is_ref => Some(".into_rust())"), "bitcoin::secp256k1::Scalar" => Some(".into_rust()"), "bitcoin::secp256k1::ecdh::SharedSecret" if !is_ref => Some(".data)"), - "bitcoin::blockdata::script::Script" if is_ref => Some(".to_slice()))"), - "bitcoin::blockdata::script::Script" if !is_ref => Some(".into_rust())"), + "bitcoin::blockdata::script::Script"|"bitcoin::Script" if is_ref => Some(".to_slice()))"), + "bitcoin::blockdata::script::Script"|"bitcoin::Script" if !is_ref => Some(".into_rust())"), "bitcoin::blockdata::transaction::Transaction"|"bitcoin::Transaction" => Some(".into_bitcoin()"), "bitcoin::Witness" => Some(".into_bitcoin()"), "bitcoin::OutPoint"|"bitcoin::blockdata::transaction::OutPoint" => Some(")"), + "bitcoin::TxIn"|"bitcoin::blockdata::transaction::TxIn" if !is_ref => Some(".into_rust()"), "bitcoin::TxOut"|"bitcoin::blockdata::transaction::TxOut" if !is_ref => Some(".into_rust()"), "bitcoin::network::constants::Network" => Some(".into_bitcoin()"), "bitcoin::util::address::WitnessVersion" => Some(".into()"), "bitcoin::blockdata::block::BlockHeader" => Some(" }).unwrap()"), "bitcoin::blockdata::block::Block" => Some(".to_slice()).unwrap()"), + "bitcoin::PackedLockTime"|"bitcoin::blockdata::locktime::PackedLockTime" => Some(")"), + + "bitcoin::psbt::PartiallySignedTransaction" if !is_ref => Some(".as_slice()).expect(\"Invalid PSBT format\")"), + "bitcoin::PubkeyHash"|"bitcoin::hash_types::PubkeyHash"| "bitcoin::hash_types::WPubkeyHash"|"bitcoin::hash_types::WScriptHash"| "bitcoin::ScriptHash"|"bitcoin::hash_types::ScriptHash" @@ -1240,11 +1263,11 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> { "bitcoin::blockdata::constants::ChainHash" if !is_ref => Some(".data[..])"), "lightning::ln::PaymentHash"|"lightning::ln::PaymentPreimage"|"lightning::ln::PaymentSecret" |"lightning::ln::channelmanager::PaymentId"|"lightning::ln::channelmanager::InterceptId" - |"lightning::chain::keysinterface::KeyMaterial" + |"lightning::sign::KeyMaterial"|"lightning::chain::ClaimId" if !is_ref => Some(".data)"), "lightning::ln::PaymentHash"|"lightning::ln::PaymentPreimage"|"lightning::ln::PaymentSecret" |"lightning::ln::channelmanager::PaymentId"|"lightning::ln::channelmanager::InterceptId" - |"lightning::chain::keysinterface::KeyMaterial" + |"lightning::sign::KeyMaterial"|"lightning::chain::ClaimId" if is_ref => Some(" })"), // List of traits we map (possibly during processing of other files): @@ -1319,22 +1342,30 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> { "bitcoin::secp256k1::ecdsa::RecoverableSignature" => Some("crate::c_types::RecoverableSignature::from_rust(&"), "bitcoin::secp256k1::SecretKey" if is_ref => Some(""), "bitcoin::secp256k1::SecretKey" if !is_ref => Some("crate::c_types::SecretKey::from_rust("), + "bitcoin::secp256k1::KeyPair" if !is_ref => Some("crate::c_types::SecretKey::from_rust("), "bitcoin::secp256k1::Scalar" if !is_ref => Some("crate::c_types::BigEndianScalar::from_rust(&"), "bitcoin::secp256k1::ecdh::SharedSecret" if !is_ref => Some("crate::c_types::ThirtyTwoBytes { data: "), - "bitcoin::blockdata::script::Script" if is_ref => Some("crate::c_types::u8slice::from_slice(&"), - "bitcoin::blockdata::script::Script" if !is_ref => Some(""), + "bitcoin::blockdata::script::Script"|"bitcoin::Script" if is_ref => Some("crate::c_types::u8slice::from_slice(&"), + "bitcoin::blockdata::script::Script"|"bitcoin::Script" if !is_ref => Some(""), "bitcoin::blockdata::transaction::Transaction"|"bitcoin::Transaction" if is_ref => Some("crate::c_types::Transaction::from_bitcoin("), "bitcoin::blockdata::transaction::Transaction"|"bitcoin::Transaction" => Some("crate::c_types::Transaction::from_bitcoin(&"), "bitcoin::Witness" if is_ref => Some("crate::c_types::Witness::from_bitcoin("), "bitcoin::Witness" if !is_ref => Some("crate::c_types::Witness::from_bitcoin(&"), - "bitcoin::OutPoint"|"bitcoin::blockdata::transaction::OutPoint" => Some("crate::c_types::bitcoin_to_C_outpoint("), - "bitcoin::TxOut"|"bitcoin::blockdata::transaction::TxOut" if !is_ref => Some("crate::c_types::TxOut::from_rust("), + "bitcoin::OutPoint"|"bitcoin::blockdata::transaction::OutPoint" if is_ref => Some("crate::c_types::bitcoin_to_C_outpoint("), + "bitcoin::OutPoint"|"bitcoin::blockdata::transaction::OutPoint" if !is_ref => Some("crate::c_types::bitcoin_to_C_outpoint(&"), + "bitcoin::TxIn"|"bitcoin::blockdata::transaction::TxIn" if !is_ref => Some("crate::c_types::TxIn::from_rust(&"), + "bitcoin::TxOut"|"bitcoin::blockdata::transaction::TxOut" if !is_ref => Some("crate::c_types::TxOut::from_rust(&"), + "bitcoin::TxOut"|"bitcoin::blockdata::transaction::TxOut" if is_ref => Some("crate::c_types::TxOut::from_rust("), "bitcoin::network::constants::Network" => Some("crate::bitcoin::network::Network::from_bitcoin("), "bitcoin::util::address::WitnessVersion" => Some(""), "bitcoin::blockdata::block::BlockHeader" if is_ref => Some("&local_"), "bitcoin::blockdata::block::Block" if is_ref => Some("crate::c_types::u8slice::from_slice(&local_"), + "bitcoin::PackedLockTime"|"bitcoin::blockdata::locktime::PackedLockTime" => Some(""), + + "bitcoin::psbt::PartiallySignedTransaction" if !is_ref => Some("::bitcoin::consensus::encode::serialize(&"), + "bitcoin::hash_types::Txid" if !is_ref => Some("crate::c_types::ThirtyTwoBytes { data: "), "bitcoin::PubkeyHash"|"bitcoin::hash_types::PubkeyHash"| @@ -1350,11 +1381,11 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> { "bitcoin::secp256k1::Message" if !is_ref => Some("crate::c_types::ThirtyTwoBytes { data: "), "lightning::ln::PaymentHash"|"lightning::ln::PaymentPreimage"|"lightning::ln::PaymentSecret" |"lightning::ln::channelmanager::PaymentId"|"lightning::ln::channelmanager::InterceptId" - |"lightning::chain::keysinterface::KeyMaterial" + |"lightning::sign::KeyMaterial"|"lightning::chain::ClaimId" if is_ref => Some("&"), "lightning::ln::PaymentHash"|"lightning::ln::PaymentPreimage"|"lightning::ln::PaymentSecret" |"lightning::ln::channelmanager::PaymentId"|"lightning::ln::channelmanager::InterceptId" - |"lightning::chain::keysinterface::KeyMaterial" + |"lightning::sign::KeyMaterial"|"lightning::chain::ClaimId" if !is_ref => Some("crate::c_types::ThirtyTwoBytes { data: "), "lightning::io::Read" => Some("crate::c_types::u8slice::from_vec(&crate::c_types::reader_to_vec("), @@ -1412,20 +1443,26 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> { "bitcoin::secp256k1::ecdsa::RecoverableSignature" => Some(")"), "bitcoin::secp256k1::SecretKey" if !is_ref => Some(")"), "bitcoin::secp256k1::SecretKey" if is_ref => Some(".as_ref()"), + "bitcoin::secp256k1::KeyPair" if !is_ref => Some(".secret_key())"), "bitcoin::secp256k1::Scalar" if !is_ref => Some(")"), "bitcoin::secp256k1::ecdh::SharedSecret" if !is_ref => Some(".secret_bytes() }"), - "bitcoin::blockdata::script::Script" if is_ref => Some("[..])"), - "bitcoin::blockdata::script::Script" if !is_ref => Some(".into_bytes().into()"), + "bitcoin::blockdata::script::Script"|"bitcoin::Script" if is_ref => Some("[..])"), + "bitcoin::blockdata::script::Script"|"bitcoin::Script" if !is_ref => Some(".into_bytes().into()"), "bitcoin::blockdata::transaction::Transaction"|"bitcoin::Transaction" => Some(")"), "bitcoin::Witness" => Some(")"), "bitcoin::OutPoint"|"bitcoin::blockdata::transaction::OutPoint" => Some(")"), - "bitcoin::TxOut"|"bitcoin::blockdata::transaction::TxOut" if !is_ref => Some(")"), + "bitcoin::TxIn"|"bitcoin::blockdata::transaction::TxIn" if !is_ref => Some(")"), + "bitcoin::TxOut"|"bitcoin::blockdata::transaction::TxOut" => Some(")"), "bitcoin::network::constants::Network" => Some(")"), "bitcoin::util::address::WitnessVersion" => Some(".into()"), "bitcoin::blockdata::block::BlockHeader" if is_ref => Some(""), "bitcoin::blockdata::block::Block" if is_ref => Some(")"), + "bitcoin::PackedLockTime"|"bitcoin::blockdata::locktime::PackedLockTime" => Some(".0"), + + "bitcoin::psbt::PartiallySignedTransaction" if !is_ref => Some(").into()"), + "bitcoin::hash_types::Txid" if !is_ref => Some(".into_inner() }"), "bitcoin::PubkeyHash"|"bitcoin::hash_types::PubkeyHash"| @@ -1443,11 +1480,11 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> { "bitcoin::secp256k1::Message" if !is_ref => Some(".as_ref().clone() }"), "lightning::ln::PaymentHash"|"lightning::ln::PaymentPreimage"|"lightning::ln::PaymentSecret" |"lightning::ln::channelmanager::PaymentId"|"lightning::ln::channelmanager::InterceptId" - |"lightning::chain::keysinterface::KeyMaterial" + |"lightning::sign::KeyMaterial"|"lightning::chain::ClaimId" if is_ref => Some(".0"), "lightning::ln::PaymentHash"|"lightning::ln::PaymentPreimage"|"lightning::ln::PaymentSecret" |"lightning::ln::channelmanager::PaymentId"|"lightning::ln::channelmanager::InterceptId" - |"lightning::chain::keysinterface::KeyMaterial" + |"lightning::sign::KeyMaterial"|"lightning::chain::ClaimId" if !is_ref => Some(".0 }"), "lightning::io::Read" => Some("))"), diff --git a/lightning-c-bindings/src/c_types/mod.rs b/lightning-c-bindings/src/c_types/mod.rs index cf708d0..1cb1ecc 100644 --- a/lightning-c-bindings/src/c_types/mod.rs +++ b/lightning-c-bindings/src/c_types/mod.rs @@ -508,11 +508,15 @@ impl Clone for Witness { } } +#[no_mangle] +/// Creates a new Witness which has the same data as `orig` but with a new buffer. +pub extern "C" fn Witness_clone(orig: &Witness) -> Witness { orig.clone() } + #[no_mangle] /// Frees the data pointed to by data pub extern "C" fn Witness_free(_res: Witness) { } -pub(crate) fn bitcoin_to_C_outpoint(outpoint: ::bitcoin::blockdata::transaction::OutPoint) -> crate::lightning::chain::transaction::OutPoint { +pub(crate) fn bitcoin_to_C_outpoint(outpoint: &::bitcoin::blockdata::transaction::OutPoint) -> crate::lightning::chain::transaction::OutPoint { crate::lightning::chain::transaction::OutPoint_new(ThirtyTwoBytes { data: outpoint.txid.into_inner() }, outpoint.vout.try_into().unwrap()) } pub(crate) fn C_to_bitcoin_outpoint(outpoint: crate::lightning::chain::transaction::OutPoint) -> ::bitcoin::blockdata::transaction::OutPoint { @@ -523,6 +527,49 @@ pub(crate) fn C_to_bitcoin_outpoint(outpoint: crate::lightning::chain::transacti } } +#[repr(C)] +#[derive(Clone)] +/// An input to a transaction. +/// +/// This contains the witness, the scriptSig and the previous outpoint and represents a single +/// input to a transaction +pub struct TxIn { + /// The witness which includes any signatures required to spend a segwit output. + pub witness: Witness, + /// The script_sig which includes signatures requires to spend a pre-segwit output (or a + /// P2SH-wrapped segwit output). + pub script_sig: derived::CVec_u8Z, + /// The sequence number of the transaction input + pub sequence: u32, + /// The txid of the transaction being spent. + pub previous_txid: ThirtyTwoBytes, + /// The output index of the transaction being spent. + pub previous_vout: u32, +} + +impl TxIn { + pub(crate) fn from_rust(txin: &::bitcoin::blockdata::transaction::TxIn) -> Self { + TxIn { + witness: Witness::from_bitcoin(&txin.witness), + script_sig: derived::CVec_u8Z::from(txin.script_sig.clone().into_bytes()), + sequence: txin.sequence.0, + previous_txid: ThirtyTwoBytes { data: txin.previous_output.txid.into_inner() }, + previous_vout: txin.previous_output.vout, + } + } +} + +#[no_mangle] +/// Frees the witness and script_sig in a TxIn +pub extern "C" fn TxIn_free(_res: TxIn) { } + +#[no_mangle] +/// Convenience function for constructing a new TxIn +pub extern "C" fn TxIn_new(witness: Witness, script_sig: derived::CVec_u8Z, sequence: u32, previous_txid: ThirtyTwoBytes, previous_vout: u32) -> TxIn { + TxIn { witness, script_sig, sequence, previous_txid, previous_vout } +} + + #[repr(C)] #[derive(Clone)] /// A transaction output including a scriptPubKey and value. @@ -541,9 +588,9 @@ impl TxOut { value: self.value, } } - pub(crate) fn from_rust(txout: ::bitcoin::blockdata::transaction::TxOut) -> Self { + pub(crate) fn from_rust(txout: &::bitcoin::blockdata::transaction::TxOut) -> Self { Self { - script_pubkey: derived::CVec_u8Z::from(txout.script_pubkey.into_bytes()), + script_pubkey: derived::CVec_u8Z::from(txout.script_pubkey.clone().into_bytes()), value: txout.value } } @@ -603,11 +650,6 @@ pub struct ThirtyTwoBytes { /// The thirty-two bytes pub data: [u8; 32], } -impl ThirtyTwoBytes { - pub(crate) fn null() -> Self { - Self { data: [0; 32] } - } -} #[repr(C)] /// A 3-byte byte array. -- 2.30.2