Types

pub struct Pubkey(pub(crate) [u8; 32]);

pub enum Brc20OracleInstruction {
    SetCommittee(Pubkey),
    Request(Brc20Key),
    Insert(Brc20Key, u128),
}

pub struct Brc20Key {
    pub height: u32,
    pub tick: [u8; 4],
    pub owner: String,
}

pub struct Brc20Asset {
    pub key: Brc20Key,
    pub amount: u128,
}

Consts

const COMMITTEE_PREFIX: &[u8] = b"Committee";
const ASSET_PREFIX: &[u8] = b"Asset";

Storages

Committee:

"Description": admin account who can insert real [Brc20Asset] data.

"AddressDerivation": Pubkey::find_program_address(&[COMMITTEE_PREFIX], &program_id);

"DataType": Pubkey from solana definition.

Brc20Asset:

"Description": Actual data for specific brc20 asset.

"AddressDerivation": key is struct [Brc20Key] and hash is Keccak256. Pubkey::find_program_address(&[ASSET_PREFIX, hash(key.try_to_vec()?.as_slice()).as_ref()], program_id);

"DataType": [Brc20Assset].

Dev commands

Follow Local development

run local node: solana-test-validator

create local wallet: solana-keygen new

airdrop: solana airdrop 2

get balance: solana balance

set url: solana config set --url http://127.0.0.1:8899

build library: cargo build-bpf

run cargo update -p [email protected] --precise 0.8.6 if error.

deployL solana program deploy ./target/deploy/brc20_oracle.so