Addition of functinality for manipulating Unified Addresses and Viewing Keys #1
12 changed files with 658 additions and 70 deletions
10
CHANGELOG.md
10
CHANGELOG.md
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@ -9,10 +9,20 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
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### Added
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- `matchOrchardAddress` function to ensure a UA matches a UVK and corresponding tests
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- `makeZcashCall` function moved into this library
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- `RpcResponse`, `RpcCall` types moved into this library
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- Functions to decode Sapling transactions
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- Tests for Sapling decoding
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- Type for block response
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- Type for raw transaction response
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- JSON parsers for block response, transaction response, `ShieldedOutput` and `OrchardAction`
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- Tests for JSON parsers
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- Haddock annotations
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### Changed
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- Rearranged modules for cleaner dependencies.
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- Upgrade to Haskell LTS 21.6
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## [0.1.0] - 2023-06-14
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75
block.json
Normal file
75
block.json
Normal file
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@ -0,0 +1,75 @@
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{
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"hash": "000000000079250b2cb5f3a04f47623db0f2552abeeb5fef914d8833c827ff63",
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"confirmations": 5,
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"size": 19301,
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"height": 2196277,
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"version": 4,
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"merkleroot": "bbeb085e2e69afd760e48512f2cc4af788331a19ad03cf1442dc2c38bf1819ef",
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"blockcommitments": "9af507deaee501f8a9a9efb367d199b21d08874393f0408412c408352f967845",
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"authdataroot": "562acdacbf061ef8ef5b84917247669b45935f83280adfedcd0f9b39efaf25ef",
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"finalsaplingroot": "625ebbfa357830e0ecf7b14b149939e9c95c75ef19ae17b32f660783add33196",
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"finalorchardroot": "d54d40365258b350642ede76ec8d411220b93b4bd16c63bff803715b87154e0b",
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"chainhistoryroot": "b4438f23544049ed0185baca65cfbc06a09eee7577b4fe567e3f6bb08f107c56",
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"tx": [
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"795fabb4070cc221480e3b8deba2f76a9c5d16026a5f8e2c29c833e5b6088eb4",
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"66637dc7703bbacc385ef7f2e087bd5fcc56763515217822906e352f504eb820",
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"b2384cd27fb12cb119754f91077453ffdc553da3be384d156b1f16ce4e88a9c5",
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"c4c1c3d962f2e56b65585be3b5a09c7b42e1a6ea66c0f6492ad3d3ea2e0775d0",
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"e1acb17e24b7d2df5a2c23349a1fc66d1084b1a9a85cfe760ed72fb37f960a12",
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"e5aeac0d023259551616cdec6727219048535aa619bba4e722e887424cf9ebef"
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],
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"time": 1692399702,
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"nonce": "ddca0340000000000000000000370000000000000000000000000000093e790d",
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"solution": "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",
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"bits": "1c01b44d",
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"difficulty": 78752260.61608158,
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"chainwork": "0000000000000000000000000000000000000000000000000e4f2c44f6a82cfb",
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"anchor": "638a7385e9910d3e18ae4240735ed4a5f6b0f410b0a1bef9d831452e0cff0a3c",
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"chainSupply": {
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"monitored": false,
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"valueDelta": 3.12500000,
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"valueDeltaZat": 312500000
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},
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"valuePools": [
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{
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"id": "transparent",
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"monitored": false,
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"valueDelta": -134.79807867,
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"valueDeltaZat": -13479807867
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},
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{
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"id": "sprout",
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"monitored": true,
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"chainValue": 26762.63007004,
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"chainValueZat": 2676263007004,
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"valueDelta": 0.00000000,
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"valueDeltaZat": 0
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},
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{
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"id": "sapling",
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"monitored": true,
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"chainValue": 1155712.35104510,
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"chainValueZat": 115571235104510,
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"valueDelta": 68.96131433,
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"valueDeltaZat": 6896131433
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},
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{
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"id": "orchard",
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"monitored": true,
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"chainValue": 96151.73011093,
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"chainValueZat": 9615173011093,
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"valueDelta": 68.96176434,
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"valueDeltaZat": 6896176434
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}
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],
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"trees": {
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"sapling": {
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"size": 72943241
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},
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"orchard": {
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"size": 48645942
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}
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},
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"previousblockhash": "0000000000a67420fd68bf269b63d821b158cd1da20d067e219adaa66977970d",
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"nextblockhash": "00000000016ebe0a0da97446c677478aa30df66b1b503fd297ad895ee7941d5e"
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}
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@ -1,7 +1,10 @@
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use std::{
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marker::PhantomData,
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io::Write,
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io::{
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Write,
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Cursor
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},
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fmt::{Debug, Display, Formatter}
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};
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@ -19,18 +22,24 @@ use haskell_ffi::{
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use zcash_primitives::{
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zip32::Scope as SaplingScope,
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transaction::components::sapling::{
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read_zkproof,
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GrothProofBytes,
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OutputDescription,
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CompactOutputDescription
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},
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sapling::{
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value::ValueCommitment as SaplingValueCommitment,
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keys::FullViewingKey as SaplingViewingKey,
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keys::{
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FullViewingKey as SaplingViewingKey,
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PreparedIncomingViewingKey as SaplingPreparedIncomingViewingKey
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},
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note_encryption::SaplingDomain,
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PaymentAddress,
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note::ExtractedNoteCommitment as SaplingExtractedNoteCommitment
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},
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transaction::Transaction,
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consensus::{
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BranchId::Nu5,
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MainNetwork,
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BlockHeight
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}
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@ -38,7 +47,7 @@ use zcash_primitives::{
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use zcash_address::{
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Network,
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unified::{Address, Encoding, Ufvk, Container, Fvk},
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unified::{Address, Encoding, Ufvk, Container, Fvk, Receiver},
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ZcashAddress
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};
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@ -86,6 +95,20 @@ impl<RW> ToHaskell<RW> for RawData {
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//}
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//}
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#[derive(BorshSerialize, BorshDeserialize)]
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pub struct HrawTx {
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bytes: Vec<u8>,
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s: bool,
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o: bool
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}
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impl<RW> ToHaskell<RW> for HrawTx {
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fn to_haskell<W: Write>(&self, writer: &mut W, _tag: PhantomData<RW>) -> Result<()> {
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self.serialize(writer)?;
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Ok(())
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}
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}
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#[derive(BorshSerialize, BorshDeserialize)]
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pub struct HshieldedOutput {
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cv: Vec<u8>,
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@ -103,6 +126,20 @@ impl<RW> FromHaskell<RW> for HshieldedOutput {
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}
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}
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impl<RW> ToHaskell<RW> for HshieldedOutput {
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fn to_haskell<W: Write>(&self, writer: &mut W, _tag: PhantomData<RW>) -> Result<()> {
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self.serialize(writer)?;
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Ok(())
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}
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}
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impl HshieldedOutput {
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fn from_object(s: OutputDescription<GrothProofBytes>) -> Result<HshieldedOutput> {
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let o = HshieldedOutput { cv: s.cv().to_bytes().to_vec(), cmu: s.cmu().to_bytes().to_vec(), eph_key: s.ephemeral_key().0.to_vec(), enc_txt: s.enc_ciphertext().to_vec(), out_txt: s.out_ciphertext().to_vec(), proof: s.zkproof().to_vec() };
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Ok(o)
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}
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}
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#[derive(BorshSerialize, BorshDeserialize)]
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pub struct Haction {
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nf: Vec<u8>,
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@ -283,6 +320,42 @@ pub extern "C" fn rust_wrapper_svk_check_address(
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}
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}
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#[no_mangle]
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pub extern "C" fn rust_wrapper_ufvk_check_address(
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key_input: *const u8,
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key_input_len: usize,
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address_input: *const u8,
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address_input_len: usize
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) -> bool {
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let key: String = marshall_from_haskell_var(key_input, key_input_len, RW);
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let addy: String = marshall_from_haskell_var(address_input, address_input_len, RW);
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let dec_key = Ufvk::decode(&key);
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let dec_addy = Address::decode(&addy);
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match dec_key {
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Ok((n, ufvk)) => {
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let i = ufvk.items();
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if let Fvk::Orchard(k) = i[0] {
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let orch_key = FullViewingKey::from_bytes(&k).unwrap();
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let orch_addy = orch_key.address_at(0u32, Scope::External).to_raw_address_bytes();
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match dec_addy {
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Ok((n, recs)) => {
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let j = recs.items();
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j[0] == Receiver::Orchard(orch_addy)
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},
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Err(_e) => {
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false
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}
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}
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} else {
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false
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}
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},
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Err(_e) => {
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false
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}
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}
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}
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#[no_mangle]
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pub extern "C" fn rust_wrapper_ufvk_decode(
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input: *const u8,
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@ -311,35 +384,51 @@ pub extern "C" fn rust_wrapper_ufvk_decode(
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}
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}
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//#[no_mangle]
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//pub extern "C" fn rust_wrapper_sapling_note_decrypt(
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//key: *const u8,
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//key_len: usize,
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//note: *const u8,
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//note_len: usize,
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//out: *mut u8,
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//out_len: &mut usize
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//){
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//let evk: Vec<u8> = marshall_from_haskell_var(key, key_len, RW);
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//let note_input: HshieldedOutput = marshall_from_haskell_var(note,note_len,RW);
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//let svk = ExtendedFullViewingKey::read(&*evk);
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//match svk {
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//Ok(k) => {
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//let domain = SaplingDomain::for_height(MainNetwork, BlockHeight::from_u32(2000000));
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//let action: CompactOutputDescription = CompactOutputDescription {
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//ephemeral_key: EphemeralKeyBytes(to_array(note_input.eph_key)),
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//cmu: SaplingExtractedNoteCommitment::from_bytes(&to_array(note_input.cmu)).unwrap(),
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//enc_ciphertext: to_array(note_input.enc_txt)
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//};
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//let fvk = k.to_diversifiable_full_viewing_key().to_ivk(SaplingScope::External);
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//let result = zcash_note_encryption::try_note_decryption(&domain, &ivk, &action);
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//}
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//Err(_e) => {
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//let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0] };
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//marshall_to_haskell_var(&hn0, out, out_len, RW);
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//}
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//}
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//}
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#[no_mangle]
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pub extern "C" fn rust_wrapper_sapling_note_decrypt_v2(
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key: *const u8,
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key_len: usize,
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note: *const u8,
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note_len: usize,
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out: *mut u8,
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out_len: &mut usize
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){
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let evk: Vec<u8> = marshall_from_haskell_var(key, key_len, RW);
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let note_input: Vec<u8> = marshall_from_haskell_var(note,note_len,RW);
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let mut note_reader = Cursor::new(note_input);
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let svk = ExtendedFullViewingKey::read(&*evk);
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match svk {
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Ok(k) => {
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let domain = SaplingDomain::for_height(MainNetwork, BlockHeight::from_u32(2000000));
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let action2 = OutputDescription::read(&mut note_reader);
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match action2 {
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Ok(action3) => {
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let fvk = k.to_diversifiable_full_viewing_key().to_ivk(SaplingScope::External);
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let pivk = SaplingPreparedIncomingViewingKey::new(&fvk);
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let result = zcash_note_encryption::try_note_decryption(&domain, &pivk, &action3);
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match result {
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Some((n, r, m)) => {
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let hn = Hnote {note: n.value().inner(), recipient: r.to_bytes().to_vec(), memo: m.as_slice().to_vec() };
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marshall_to_haskell_var(&hn, out, out_len, RW);
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}
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None => {
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let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0] };
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marshall_to_haskell_var(&hn0, out, out_len, RW);
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}
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}
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},
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Err(_e1) => {
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let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0] };
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marshall_to_haskell_var(&hn0, out, out_len, RW);
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}
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}
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}
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Err(_e) => {
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let hn0 = Hnote { note: 0, recipient: vec![0], memo: vec![0] };
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marshall_to_haskell_var(&hn0, out, out_len, RW);
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}
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}
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}
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#[no_mangle]
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pub extern "C" fn rust_wrapper_orchard_note_decrypt(
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@ -384,3 +473,45 @@ pub extern "C" fn rust_wrapper_orchard_note_decrypt(
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}
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}
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}
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#[no_mangle]
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pub extern "C" fn rust_wrapper_tx_parse(
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tx: *const u8,
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tx_len: usize,
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out: *mut u8,
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||||
out_len: &mut usize
|
||||
){
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||||
let tx_input: Vec<u8> = marshall_from_haskell_var(tx, tx_len, RW);
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||||
let tx_bytes: Vec<u8> = tx_input.clone();
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||||
let mut tx_reader = Cursor::new(tx_input);
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||||
let s_o = false;
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||||
let o_a = false;
|
||||
let parsed_tx = Transaction::read(&mut tx_reader, Nu5);
|
||||
match parsed_tx {
|
||||
Ok(t) => {
|
||||
let s_bundle = t.sapling_bundle();
|
||||
match s_bundle {
|
||||
Some(b) => {
|
||||
let mut s_output = Vec::new();
|
||||
for s_each_out in b.shielded_outputs().iter() {
|
||||
let mut out_bytes = Vec::new();
|
||||
let _ = s_each_out.write_v4(&mut out_bytes);
|
||||
s_output.push(out_bytes);
|
||||
}
|
||||
marshall_to_haskell_var(&s_output, out, out_len, RW);
|
||||
},
|
||||
None => {
|
||||
let mut z = Vec::new();
|
||||
z.push(vec![0]);
|
||||
marshall_to_haskell_var(&z, out, out_len, RW);
|
||||
}
|
||||
}
|
||||
|
||||
},
|
||||
Err(_e) => {
|
||||
let mut y = Vec::new();
|
||||
y.push(vec![0]);
|
||||
marshall_to_haskell_var(&y, out, out_len, RW);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -31,6 +31,8 @@ library:
|
|||
- text
|
||||
- foreign-rust
|
||||
- generics-sop
|
||||
- aeson
|
||||
- http-conduit
|
||||
pkg-config-dependencies:
|
||||
- rustzcash_wrapper-uninstalled
|
||||
|
||||
|
|
@ -47,3 +49,4 @@ tests:
|
|||
- hspec
|
||||
- bytestring
|
||||
- text
|
||||
- aeson
|
||||
|
|
|
|||
|
|
@ -72,6 +72,21 @@ import ZcashHaskell.Types
|
|||
-> `Bool'
|
||||
#}
|
||||
|
||||
{# fun pure unsafe rust_wrapper_ufvk_check_address as rustWrapperOrchardCheck
|
||||
{ toBorshVar* `BS.ByteString'&
|
||||
, toBorshVar* `BS.ByteString'&
|
||||
}
|
||||
-> `Bool'
|
||||
#}
|
||||
|
||||
{# fun unsafe rust_wrapper_sapling_note_decrypt_v2 as rustWrapperSaplingNoteDecode
|
||||
{ toBorshVar* `BS.ByteString'&
|
||||
, toBorshVar* `BS.ByteString'&
|
||||
, getVarBuffer `Buffer DecodedNote'&
|
||||
}
|
||||
-> `()'
|
||||
#}
|
||||
|
||||
{# fun unsafe rust_wrapper_ufvk_decode as rustWrapperUfvkDecode
|
||||
{ toBorshVar* `BS.ByteString'&
|
||||
, getVarBuffer `Buffer UnifiedFullViewingKey'&
|
||||
|
|
@ -82,7 +97,14 @@ import ZcashHaskell.Types
|
|||
{# fun unsafe rust_wrapper_orchard_note_decrypt as rustWrapperOrchardNoteDecode
|
||||
{ toBorshVar* `BS.ByteString'&
|
||||
, toBorshVar* `OrchardAction'&
|
||||
, getVarBuffer `Buffer OrchardDecodedAction'&
|
||||
, getVarBuffer `Buffer DecodedNote'&
|
||||
}
|
||||
-> `()'
|
||||
#}
|
||||
#}
|
||||
|
||||
{# fun unsafe rust_wrapper_tx_parse as rustWrapperTxParse
|
||||
{ toBorshVar* `BS.ByteString'&
|
||||
, getVarBuffer `Buffer [BS.ByteString]'&
|
||||
}
|
||||
-> `()'
|
||||
#}
|
||||
|
|
|
|||
|
|
@ -13,6 +13,7 @@ module ZcashHaskell.Orchard where
|
|||
|
||||
import C.Zcash
|
||||
( rustWrapperIsUA
|
||||
, rustWrapperOrchardCheck
|
||||
, rustWrapperOrchardNoteDecode
|
||||
, rustWrapperUfvkDecode
|
||||
)
|
||||
|
|
@ -33,10 +34,14 @@ decodeUfvk str =
|
|||
where
|
||||
decodedKey = (withPureBorshVarBuffer . rustWrapperUfvkDecode) str
|
||||
|
||||
-- | Check if the given UVK matches the UA given
|
||||
matchOrchardAddress :: BS.ByteString -> BS.ByteString -> Bool
|
||||
matchOrchardAddress = rustWrapperOrchardCheck
|
||||
|
||||
-- | Attempts to decode the given @OrchardAction@ using the given @UnifiedFullViewingKey@.
|
||||
decryptOrchardAction ::
|
||||
OrchardAction -> UnifiedFullViewingKey -> Maybe OrchardDecodedAction
|
||||
decryptOrchardAction encAction key =
|
||||
UnifiedFullViewingKey -> OrchardAction -> Maybe DecodedNote
|
||||
decryptOrchardAction key encAction =
|
||||
case a_value decodedAction of
|
||||
0 -> Nothing
|
||||
_ -> Just decodedAction
|
||||
|
|
|
|||
|
|
@ -1,20 +1,84 @@
|
|||
{-# LANGUAGE OverloadedStrings #-}
|
||||
|
||||
module ZcashHaskell.Sapling where
|
||||
|
||||
import C.Zcash
|
||||
( rustWrapperIsShielded
|
||||
, rustWrapperSaplingCheck
|
||||
, rustWrapperSaplingNoteDecode
|
||||
, rustWrapperSaplingVkDecode
|
||||
, rustWrapperTxParse
|
||||
)
|
||||
import Data.Aeson
|
||||
import qualified Data.ByteString as BS
|
||||
import Foreign.Rust.Marshall.Variable (withPureBorshVarBuffer)
|
||||
import ZcashHaskell.Types
|
||||
( DecodedNote(..)
|
||||
, RawData(..)
|
||||
, RawTxResponse(..)
|
||||
, ShieldedOutput(..)
|
||||
, decodeHexText
|
||||
)
|
||||
import ZcashHaskell.Utils (decodeBech32)
|
||||
|
||||
-- | Check if given bytesting is a valid encoded shielded address
|
||||
isValidShieldedAddress :: BS.ByteString -> Bool
|
||||
isValidShieldedAddress = rustWrapperIsShielded
|
||||
|
||||
getShieldedOutputs :: BS.ByteString -> [BS.ByteString]
|
||||
getShieldedOutputs t = withPureBorshVarBuffer $ rustWrapperTxParse t
|
||||
|
||||
-- | Check if given bytestring is a valid Sapling viewing key
|
||||
isValidSaplingViewingKey :: BS.ByteString -> Bool
|
||||
isValidSaplingViewingKey = rustWrapperSaplingVkDecode
|
||||
isValidSaplingViewingKey k =
|
||||
case hrp decodedKey of
|
||||
"zxviews" -> rustWrapperSaplingVkDecode $ bytes decodedKey
|
||||
_ -> False
|
||||
where
|
||||
decodedKey = decodeBech32 k
|
||||
|
||||
-- | Check if the given bytestring for the Sapling viewing key matches the second bytestring for the address
|
||||
matchSaplingAddress :: BS.ByteString -> BS.ByteString -> Bool
|
||||
matchSaplingAddress = rustWrapperSaplingCheck
|
||||
|
||||
-- | Attempt to decode the given raw tx with the given Sapling viewing key
|
||||
decodeSaplingOutput :: BS.ByteString -> BS.ByteString -> Maybe DecodedNote
|
||||
decodeSaplingOutput key out =
|
||||
case a_value decodedAction of
|
||||
0 -> Nothing
|
||||
_ -> Just decodedAction
|
||||
where
|
||||
decodedAction =
|
||||
withPureBorshVarBuffer $ rustWrapperSaplingNoteDecode key out
|
||||
|
||||
instance FromJSON RawTxResponse where
|
||||
parseJSON =
|
||||
withObject "RawTxResponse" $ \obj -> do
|
||||
i <- obj .: "txid"
|
||||
o <- obj .:? "orchard"
|
||||
h <- obj .: "hex"
|
||||
ht <- obj .: "height"
|
||||
c <- obj .: "confirmations"
|
||||
b <- obj .: "blocktime"
|
||||
case o of
|
||||
Nothing ->
|
||||
pure $
|
||||
RawTxResponse
|
||||
i
|
||||
(decodeHexText h)
|
||||
(getShieldedOutputs (decodeHexText h))
|
||||
[]
|
||||
ht
|
||||
c
|
||||
b
|
||||
Just o' -> do
|
||||
a <- o' .: "actions"
|
||||
pure $
|
||||
RawTxResponse
|
||||
i
|
||||
(decodeHexText h)
|
||||
(getShieldedOutputs (decodeHexText h))
|
||||
a
|
||||
ht
|
||||
c
|
||||
b
|
||||
|
|
|
|||
|
|
@ -1,7 +1,9 @@
|
|||
{-# LANGUAGE DeriveGeneric #-}
|
||||
{-# LANGUAGE DuplicateRecordFields #-}
|
||||
{-# LANGUAGE DeriveAnyClass #-}
|
||||
{-# LANGUAGE DerivingVia #-}
|
||||
{-# LANGUAGE UndecidableInstances #-}
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
|
||||
-- |
|
||||
-- Module : ZcashHaskell.Types
|
||||
|
|
@ -17,13 +19,17 @@
|
|||
module ZcashHaskell.Types where
|
||||
|
||||
import Codec.Borsh
|
||||
import Data.Aeson
|
||||
import qualified Data.ByteString as BS
|
||||
import qualified Data.ByteString.Char8 as C
|
||||
import Data.Int
|
||||
import Data.Structured
|
||||
import qualified Data.Text as T
|
||||
import Data.Word
|
||||
import qualified GHC.Generics as GHC
|
||||
import qualified Generics.SOP as SOP
|
||||
|
||||
-- * General
|
||||
-- | Type to represent data after Bech32 decoding
|
||||
data RawData = RawData
|
||||
{ hrp :: BS.ByteString -- ^ Human-readable part of the Bech32 encoding
|
||||
|
|
@ -33,17 +39,78 @@ data RawData = RawData
|
|||
deriving anyclass (Data.Structured.Show)
|
||||
deriving (BorshSize, ToBorsh, FromBorsh) via AsStruct RawData
|
||||
|
||||
-- | Type to represent a Unified Full Viewing Key
|
||||
data UnifiedFullViewingKey = UnifiedFullViewingKey
|
||||
{ net :: Word8 -- ^ Number representing the network the key belongs to. @1@ for @mainnet@, @2@ for @testnet@ and @3@ for @regtestnet@.
|
||||
, o_key :: BS.ByteString -- ^ Raw bytes of the Orchard Full Viewing Key as specified in [ZIP-316](https://zips.z.cash/zip-0316)
|
||||
, s_key :: BS.ByteString -- ^ Raw bytes of the Sapling Full Viewing Key as specified in [ZIP-316](https://zips.z.cash/zip-0316)
|
||||
, t_key :: BS.ByteString -- ^ Raw bytes of the P2PKH chain code and public key as specified in [ZIP-316](https://zips.z.cash/zip-0316)
|
||||
} deriving stock (Eq, Prelude.Show, GHC.Generic)
|
||||
deriving anyclass (SOP.Generic, SOP.HasDatatypeInfo)
|
||||
deriving anyclass (Data.Structured.Show)
|
||||
deriving (BorshSize, ToBorsh, FromBorsh) via AsStruct UnifiedFullViewingKey
|
||||
-- * `zcashd` RPC
|
||||
-- | A type to model Zcash RPC calls
|
||||
data RpcCall = RpcCall
|
||||
{ jsonrpc :: T.Text
|
||||
, callId :: T.Text
|
||||
, method :: T.Text
|
||||
, parameters :: [Data.Aeson.Value]
|
||||
} deriving stock (Prelude.Show, GHC.Generic)
|
||||
|
||||
instance ToJSON RpcCall where
|
||||
toJSON (RpcCall j c m p) =
|
||||
object ["jsonrpc" .= j, "id" .= c, "method" .= m, "params" .= p]
|
||||
|
||||
-- | A type to model the response of the Zcash RPC
|
||||
data RpcResponse r = MakeRpcResponse
|
||||
{ err :: Maybe RpcError
|
||||
, respId :: T.Text
|
||||
, result :: Maybe r
|
||||
} deriving stock (Prelude.Show, GHC.Generic)
|
||||
deriving anyclass (ToJSON)
|
||||
|
||||
instance (FromJSON r) => FromJSON (RpcResponse r) where
|
||||
parseJSON =
|
||||
withObject "RpcResponse" $ \obj -> do
|
||||
e <- obj .: "error"
|
||||
i <- obj .: "id"
|
||||
r <- obj .: "result"
|
||||
pure $ MakeRpcResponse e i r
|
||||
|
||||
-- | A type to model the errors from the Zcash RPC
|
||||
data RpcError = RpcError
|
||||
{ ecode :: Double
|
||||
, emessage :: T.Text
|
||||
} deriving stock (Prelude.Show, GHC.Generic)
|
||||
deriving anyclass (ToJSON)
|
||||
|
||||
instance FromJSON RpcError where
|
||||
parseJSON =
|
||||
withObject "RpcError" $ \obj -> do
|
||||
c <- obj .: "code"
|
||||
m <- obj .: "message"
|
||||
pure $ RpcError c m
|
||||
|
||||
-- | Type to represent response from the `zcashd` RPC `getblock` method
|
||||
data BlockResponse = BlockResponse
|
||||
{ bl_confirmations :: Integer -- ^ Block confirmations
|
||||
, bl_height :: Integer -- ^ Block height
|
||||
, bl_time :: Integer -- ^ Block time
|
||||
, bl_txs :: [T.Text] -- ^ List of transaction IDs in the block
|
||||
} deriving (Prelude.Show, Eq)
|
||||
|
||||
instance FromJSON BlockResponse where
|
||||
parseJSON =
|
||||
withObject "BlockResponse" $ \obj -> do
|
||||
c <- obj .: "confirmations"
|
||||
h <- obj .: "height"
|
||||
t <- obj .: "time"
|
||||
txs <- obj .: "tx"
|
||||
pure $ BlockResponse c h t txs
|
||||
|
||||
-- | Type to represent response from the `zcashd` RPC `getrawtransaction`
|
||||
data RawTxResponse = RawTxResponse
|
||||
{ rt_id :: T.Text
|
||||
, rt_hex :: BS.ByteString
|
||||
, rt_shieldedOutputs :: [BS.ByteString]
|
||||
, rt_orchardActions :: [OrchardAction]
|
||||
, rt_blockheight :: Integer
|
||||
, rt_confirmations :: Integer
|
||||
, rt_blocktime :: Integer
|
||||
} deriving (Prelude.Show, Eq)
|
||||
|
||||
-- * Sapling
|
||||
-- | Type to represent a Sapling Shielded Output as provided by the @getrawtransaction@ RPC method of @zcashd@.
|
||||
data ShieldedOutput = ShieldedOutput
|
||||
{ s_cv :: BS.ByteString -- ^ Value commitment to the input note
|
||||
|
|
@ -57,6 +124,36 @@ data ShieldedOutput = ShieldedOutput
|
|||
deriving anyclass (Data.Structured.Show)
|
||||
deriving (BorshSize, ToBorsh, FromBorsh) via AsStruct ShieldedOutput
|
||||
|
||||
instance FromJSON ShieldedOutput where
|
||||
parseJSON =
|
||||
withObject "ShieldedOutput" $ \obj -> do
|
||||
cv <- obj .: "cv"
|
||||
cmu <- obj .: "cmu"
|
||||
ephKey <- obj .: "ephemeralKey"
|
||||
encText <- obj .: "encCiphertext"
|
||||
outText <- obj .: "outCiphertext"
|
||||
p <- obj .: "proof"
|
||||
pure $
|
||||
ShieldedOutput
|
||||
(decodeHexText cv)
|
||||
(decodeHexText cmu)
|
||||
(decodeHexText ephKey)
|
||||
(decodeHexText encText)
|
||||
(decodeHexText outText)
|
||||
(decodeHexText p)
|
||||
|
||||
-- * Orchard
|
||||
-- | Type to represent a Unified Full Viewing Key
|
||||
data UnifiedFullViewingKey = UnifiedFullViewingKey
|
||||
{ net :: Word8 -- ^ Number representing the network the key belongs to. @1@ for @mainnet@, @2@ for @testnet@ and @3@ for @regtestnet@.
|
||||
, o_key :: BS.ByteString -- ^ Raw bytes of the Orchard Full Viewing Key as specified in [ZIP-316](https://zips.z.cash/zip-0316)
|
||||
, s_key :: BS.ByteString -- ^ Raw bytes of the Sapling Full Viewing Key as specified in [ZIP-316](https://zips.z.cash/zip-0316)
|
||||
, t_key :: BS.ByteString -- ^ Raw bytes of the P2PKH chain code and public key as specified in [ZIP-316](https://zips.z.cash/zip-0316)
|
||||
} deriving stock (Eq, Prelude.Show, GHC.Generic)
|
||||
deriving anyclass (SOP.Generic, SOP.HasDatatypeInfo)
|
||||
deriving anyclass (Data.Structured.Show)
|
||||
deriving (BorshSize, ToBorsh, FromBorsh) via AsStruct UnifiedFullViewingKey
|
||||
|
||||
-- | Type to represent an Orchard Action as provided by the @getrawtransaction@ RPC method of @zcashd@, and defined in the [Zcash Protocol](https://zips.z.cash/protocol/protocol.pdf)
|
||||
data OrchardAction = OrchardAction
|
||||
{ nf :: BS.ByteString -- ^ The nullifier of the input note
|
||||
|
|
@ -72,12 +169,46 @@ data OrchardAction = OrchardAction
|
|||
deriving anyclass (Data.Structured.Show)
|
||||
deriving (BorshSize, ToBorsh, FromBorsh) via AsStruct OrchardAction
|
||||
|
||||
-- | Type to represent a decoded Orchard Action
|
||||
data OrchardDecodedAction = OrchardDecodedAction
|
||||
instance FromJSON OrchardAction where
|
||||
parseJSON =
|
||||
withObject "OrchardAction" $ \obj -> do
|
||||
n <- obj .: "nullifier"
|
||||
r <- obj .: "rk"
|
||||
c <- obj .: "cmx"
|
||||
ephKey <- obj .: "ephemeralKey"
|
||||
encText <- obj .: "encCiphertext"
|
||||
outText <- obj .: "outCiphertext"
|
||||
cval <- obj .: "cv"
|
||||
a <- obj .: "spendAuthSig"
|
||||
pure $
|
||||
OrchardAction
|
||||
(decodeHexText n)
|
||||
(decodeHexText r)
|
||||
(decodeHexText c)
|
||||
(decodeHexText ephKey)
|
||||
(decodeHexText encText)
|
||||
(decodeHexText outText)
|
||||
(decodeHexText cval)
|
||||
(decodeHexText a)
|
||||
|
||||
-- | Type to represent a decoded note
|
||||
data DecodedNote = DecodedNote
|
||||
{ a_value :: Int64 -- ^ The amount of the transaction in _zatoshis_.
|
||||
, a_recipient :: BS.ByteString -- ^ The recipient Orchard receiver.
|
||||
, a_memo :: BS.ByteString -- ^ The decoded shielded memo field.
|
||||
} deriving stock (Eq, Prelude.Show, GHC.Generic)
|
||||
deriving anyclass (SOP.Generic, SOP.HasDatatypeInfo)
|
||||
deriving anyclass (Data.Structured.Show)
|
||||
deriving (BorshSize, ToBorsh, FromBorsh) via AsStruct OrchardDecodedAction
|
||||
deriving (BorshSize, ToBorsh, FromBorsh) via AsStruct DecodedNote
|
||||
|
||||
-- * Helpers
|
||||
-- | Helper function to turn a hex-encoded string to bytestring
|
||||
decodeHexText :: String -> BS.ByteString
|
||||
decodeHexText h = BS.pack $ hexRead h
|
||||
where
|
||||
hexRead hexText
|
||||
| null chunk = []
|
||||
| otherwise =
|
||||
fromIntegral (read ("0x" <> chunk)) : hexRead (drop 2 hexText)
|
||||
where
|
||||
chunk = take 2 hexText
|
||||
|
|
|
|||
|
|
@ -9,6 +9,8 @@
|
|||
--
|
||||
-- A set of functions to assist in the handling of elements of the Zcash protocol, allowing for decoding of memos, addresses and viewing keys.
|
||||
--
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
|
||||
module ZcashHaskell.Utils where
|
||||
|
||||
import C.Zcash
|
||||
|
|
@ -16,22 +18,14 @@ import C.Zcash
|
|||
, rustWrapperF4Jumble
|
||||
, rustWrapperF4UnJumble
|
||||
)
|
||||
|
||||
import Control.Monad.IO.Class
|
||||
import Data.Aeson
|
||||
import qualified Data.ByteString as BS
|
||||
import qualified Data.Text as T
|
||||
import Foreign.Rust.Marshall.Variable
|
||||
import Network.HTTP.Simple
|
||||
import ZcashHaskell.Types
|
||||
|
||||
-- | Helper function to turn a hex-encoded string to bytestring
|
||||
decodeHexText :: String -> BS.ByteString
|
||||
decodeHexText h = BS.pack $ hexRead h
|
||||
where
|
||||
hexRead hexText
|
||||
| null chunk = []
|
||||
| otherwise =
|
||||
fromIntegral (read ("0x" <> chunk)) : hexRead (drop 2 hexText)
|
||||
where
|
||||
chunk = take 2 hexText
|
||||
|
||||
-- | Decode the given bytestring using Bech32
|
||||
decodeBech32 :: BS.ByteString -> RawData
|
||||
decodeBech32 = withPureBorshVarBuffer . rustWrapperBech32Decode
|
||||
|
|
@ -43,3 +37,20 @@ f4Jumble = withPureBorshVarBuffer . rustWrapperF4Jumble
|
|||
-- | Apply the inverse F4Jumble transformation to the given bytestring
|
||||
f4UnJumble :: BS.ByteString -> BS.ByteString
|
||||
f4UnJumble = withPureBorshVarBuffer . rustWrapperF4UnJumble
|
||||
|
||||
-- | Make a Zcash RPC call
|
||||
makeZcashCall ::
|
||||
(MonadIO m, FromJSON a)
|
||||
=> BS.ByteString
|
||||
-> BS.ByteString
|
||||
-> T.Text
|
||||
-> [Data.Aeson.Value]
|
||||
-> m (Response a)
|
||||
makeZcashCall username password m p = do
|
||||
let payload = RpcCall "1.0" "test" m p
|
||||
let myRequest =
|
||||
setRequestBodyJSON payload $
|
||||
setRequestPort 8232 $
|
||||
setRequestBasicAuth username password $
|
||||
setRequestMethod "POST" defaultRequest
|
||||
httpJSON myRequest
|
||||
|
|
|
|||
75
test/Spec.hs
75
test/Spec.hs
File diff suppressed because one or more lines are too long
70
tx.json
Normal file
70
tx.json
Normal file
File diff suppressed because one or more lines are too long
|
|
@ -38,11 +38,13 @@ library
|
|||
pkgconfig-depends:
|
||||
rustzcash_wrapper-uninstalled
|
||||
build-depends:
|
||||
base >=4.7 && <5
|
||||
aeson
|
||||
, base >=4.7 && <5
|
||||
, borsh >=0.2
|
||||
, bytestring
|
||||
, foreign-rust
|
||||
, generics-sop
|
||||
, http-conduit
|
||||
, text
|
||||
default-language: Haskell2010
|
||||
|
||||
|
|
@ -55,7 +57,8 @@ test-suite zcash-haskell-test
|
|||
test
|
||||
ghc-options: -threaded -rtsopts -with-rtsopts=-N
|
||||
build-depends:
|
||||
base >=4.7 && <5
|
||||
aeson
|
||||
, base >=4.7 && <5
|
||||
, bytestring
|
||||
, hspec
|
||||
, text
|
||||
|
|
|
|||
Loading…
Reference in a new issue