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Implement accumulator updates for cosmwasm #880

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Merged
merged 4 commits into from
Jun 13, 2023
Merged

Implement accumulator updates for cosmwasm #880

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f993e72
Implement accumulator updates for cosmwasm
m30m Jun 12, 2023
29702c8
Better naming for utility function
m30m Jun 12, 2023
70ef01b
Better naming for merkle processor and more tests on merkle path
m30m Jun 13, 2023
e66b5ba
Update fee calculation logic for accumulator messages
m30m Jun 13, 2023
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3 changes: 3 additions & 0 deletions pythnet/pythnet_sdk/src/error.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,9 @@ pub enum Error {

#[error("Invalid Version")]
InvalidVersion,

#[error("Deserialization error")]
DeserializationError,
}

#[macro_export]
Expand Down
15 changes: 12 additions & 3 deletions pythnet/pythnet_sdk/src/wire.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,7 @@ pub mod v1 {
major_version: u8,
minor_version: u8,
trailing: Vec<u8>,
proof: Proof,
pub proof: Proof,
}

impl AccumulatorUpdateData {
Expand All @@ -72,7 +72,8 @@ pub mod v1 {
}

pub fn try_from_slice(bytes: &[u8]) -> Result<Self, Error> {
let message = from_slice::<byteorder::BE, Self>(bytes).unwrap();
let message = from_slice::<byteorder::BE, Self>(bytes)
.map_err(|_| Error::DeserializationError)?;
require!(
&message.magic[..] == PYTHNET_ACCUMULATOR_UPDATE_MAGIC,
Error::InvalidMagic
Expand Down Expand Up @@ -109,8 +110,16 @@ pub mod v1 {
pub const ACCUMULATOR_UPDATE_WORMHOLE_VERIFICATION_MAGIC: &[u8; 4] = b"AUWV";

impl WormholeMessage {
pub fn new(payload: WormholePayload) -> Self {
Self {
magic: *ACCUMULATOR_UPDATE_WORMHOLE_VERIFICATION_MAGIC,
payload,
}
}

pub fn try_from_bytes(bytes: impl AsRef<[u8]>) -> Result<Self, Error> {
let message = from_slice::<byteorder::BE, Self>(bytes.as_ref()).unwrap();
let message = from_slice::<byteorder::BE, Self>(bytes.as_ref())
.map_err(|_| Error::DeserializationError)?;
require!(
&message.magic[..] == ACCUMULATOR_UPDATE_WORMHOLE_VERIFICATION_MAGIC,
Error::InvalidMagic
Expand Down
159 changes: 156 additions & 3 deletions target_chains/cosmwasm/Cargo.lock
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1 change: 1 addition & 0 deletions target_chains/cosmwasm/contracts/pyth/Cargo.toml
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Expand Up @@ -39,6 +39,7 @@ byteorder = "1.4.3"
cosmwasm-schema = "1.1.9"
osmosis-std = "0.15.2"
pyth-sdk-cw = { path = "../../sdk/rust" }
pythnet-sdk = { path = "../../../../pythnet/pythnet_sdk" }

[dev-dependencies]
cosmwasm-vm = { version = "1.0.0", default-features = false }
Expand Down
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