259 lines
6.6 KiB
Rust
259 lines
6.6 KiB
Rust
use schemars::JsonSchema;
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use serde::{
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Deserialize,
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Serialize,
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};
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use cosmwasm_std::{
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CanonicalAddr,
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StdError,
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StdResult,
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Storage,
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Uint128,
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};
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use cosmwasm_storage::{
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bucket,
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bucket_read,
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singleton,
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singleton_read,
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Bucket,
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ReadonlyBucket,
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ReadonlySingleton,
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Singleton,
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};
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use wormhole::byte_utils::ByteUtils;
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type HumanAddr = String;
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pub static CONFIG_KEY: &[u8] = b"config";
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pub static WRAPPED_ASSET_KEY: &[u8] = b"wrapped_asset";
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pub static WRAPPED_ASSET_ADDRESS_KEY: &[u8] = b"wrapped_asset_address";
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pub static BRIDGE_CONTRACTS: &[u8] = b"bridge_contracts";
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pub static BRIDGE_DEPOSITS: &[u8] = b"bridge_deposits";
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pub static NATIVE_COUNTER: &[u8] = b"native_counter";
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// Guardian set information
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#[derive(Serialize, Deserialize, Clone, Debug, PartialEq, JsonSchema)]
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pub struct ConfigInfo {
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// governance contract details
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pub gov_chain: u16,
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pub gov_address: Vec<u8>,
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pub wormhole_contract: HumanAddr,
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pub wrapped_asset_code_id: u64,
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}
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pub fn config(storage: &mut dyn Storage) -> Singleton<ConfigInfo> {
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singleton(storage, CONFIG_KEY)
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}
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pub fn config_read(storage: &dyn Storage) -> ReadonlySingleton<ConfigInfo> {
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singleton_read(storage, CONFIG_KEY)
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}
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pub fn bridge_deposit(storage: &mut dyn Storage) -> Bucket<Uint128> {
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bucket(storage, BRIDGE_DEPOSITS)
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}
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pub fn bridge_deposit_read(storage: &dyn Storage) -> ReadonlyBucket<Uint128> {
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bucket_read(storage, BRIDGE_DEPOSITS)
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}
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pub fn bridge_contracts(storage: &mut dyn Storage) -> Bucket<Vec<u8>> {
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bucket(storage, BRIDGE_CONTRACTS)
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}
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pub fn bridge_contracts_read(storage: &dyn Storage) -> ReadonlyBucket<Vec<u8>> {
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bucket_read(storage, BRIDGE_CONTRACTS)
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}
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pub fn wrapped_asset(storage: &mut dyn Storage) -> Bucket<HumanAddr> {
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bucket(storage, WRAPPED_ASSET_KEY)
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}
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pub fn wrapped_asset_read(storage: &dyn Storage) -> ReadonlyBucket<HumanAddr> {
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bucket_read(storage, WRAPPED_ASSET_KEY)
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}
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pub fn wrapped_asset_address(storage: &mut dyn Storage) -> Bucket<Vec<u8>> {
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bucket(storage, WRAPPED_ASSET_ADDRESS_KEY)
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}
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pub fn wrapped_asset_address_read(storage: &dyn Storage) -> ReadonlyBucket<Vec<u8>> {
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bucket_read(storage, WRAPPED_ASSET_ADDRESS_KEY)
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}
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pub fn send_native(
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storage: &mut dyn Storage,
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asset_address: &CanonicalAddr,
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amount: Uint128,
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) -> StdResult<()> {
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let mut counter_bucket = bucket(storage, NATIVE_COUNTER);
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let new_total = amount
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+ counter_bucket
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.load(asset_address.as_slice())
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.unwrap_or(Uint128::zero());
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if new_total > Uint128::new(u64::MAX as u128) {
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return Err(StdError::generic_err(
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"transfer exceeds max outstanding bridged token amount",
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));
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}
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counter_bucket.save(asset_address.as_slice(), &new_total)
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}
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pub fn receive_native(
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storage: &mut dyn Storage,
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asset_address: &CanonicalAddr,
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amount: Uint128,
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) -> StdResult<()> {
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let mut counter_bucket = bucket(storage, NATIVE_COUNTER);
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let total: Uint128 = counter_bucket.load(asset_address.as_slice())?;
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let result = total.checked_sub(amount)?;
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counter_bucket.save(asset_address.as_slice(), &result)
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}
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pub struct Action;
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impl Action {
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pub const TRANSFER: u8 = 1;
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pub const ATTEST_META: u8 = 2;
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}
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// 0 u8 action
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// 1 [u8] payload
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pub struct TokenBridgeMessage {
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pub action: u8,
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pub payload: Vec<u8>,
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}
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impl TokenBridgeMessage {
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pub fn deserialize(data: &Vec<u8>) -> StdResult<Self> {
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let data = data.as_slice();
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let action = data.get_u8(0);
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let payload = &data[1..];
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Ok(TokenBridgeMessage {
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action,
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payload: payload.to_vec(),
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})
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}
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pub fn serialize(&self) -> Vec<u8> {
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[self.action.to_be_bytes().to_vec(), self.payload.clone()].concat()
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}
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}
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// 0 u256 amount
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// 32 [u8; 32] token_address
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// 64 u16 token_chain
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// 66 [u8; 32] recipient
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// 98 u16 recipient_chain
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// 100 u256 fee
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pub struct TransferInfo {
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pub amount: (u128, u128),
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pub token_address: Vec<u8>,
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pub token_chain: u16,
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pub recipient: Vec<u8>,
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pub recipient_chain: u16,
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pub fee: (u128, u128),
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}
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impl TransferInfo {
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pub fn deserialize(data: &Vec<u8>) -> StdResult<Self> {
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let data = data.as_slice();
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let amount = data.get_u256(0);
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let token_address = data.get_bytes32(32).to_vec();
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let token_chain = data.get_u16(64);
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let recipient = data.get_bytes32(66).to_vec();
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let recipient_chain = data.get_u16(98);
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let fee = data.get_u256(100);
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Ok(TransferInfo {
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amount,
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token_address,
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token_chain,
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recipient,
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recipient_chain,
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fee,
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})
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}
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pub fn serialize(&self) -> Vec<u8> {
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[
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self.amount.0.to_be_bytes().to_vec(),
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self.amount.1.to_be_bytes().to_vec(),
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self.token_address.clone(),
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self.token_chain.to_be_bytes().to_vec(),
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self.recipient.to_vec(),
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self.recipient_chain.to_be_bytes().to_vec(),
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self.fee.0.to_be_bytes().to_vec(),
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self.fee.1.to_be_bytes().to_vec(),
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]
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.concat()
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}
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}
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// 0 [32]uint8 TokenAddress
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// 32 uint16 TokenChain
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// 34 uint8 Decimals
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// 35 [32]uint8 Symbol
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// 67 [32]uint8 Name
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pub struct AssetMeta {
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pub token_address: Vec<u8>,
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pub token_chain: u16,
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pub decimals: u8,
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pub symbol: Vec<u8>,
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pub name: Vec<u8>,
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}
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impl AssetMeta {
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pub fn deserialize(data: &Vec<u8>) -> StdResult<Self> {
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let data = data.as_slice();
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let token_address = data.get_bytes32(0).to_vec();
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let token_chain = data.get_u16(32);
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let decimals = data.get_u8(34);
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let symbol = data.get_bytes32(35).to_vec();
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let name = data.get_bytes32(67).to_vec();
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Ok(AssetMeta {
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token_chain,
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token_address,
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decimals,
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symbol,
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name,
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})
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}
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pub fn serialize(&self) -> Vec<u8> {
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[
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self.token_address.clone(),
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self.token_chain.to_be_bytes().to_vec(),
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self.decimals.to_be_bytes().to_vec(),
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self.symbol.clone(),
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self.name.clone(),
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]
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.concat()
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}
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}
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pub struct RegisterChain {
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pub chain_id: u16,
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pub chain_address: Vec<u8>,
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}
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impl RegisterChain {
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pub fn deserialize(data: &Vec<u8>) -> StdResult<Self> {
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let data = data.as_slice();
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let chain_id = data.get_u16(0);
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let chain_address = data[2..].to_vec();
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Ok(RegisterChain {
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chain_id,
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chain_address,
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})
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}
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}
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