soroban_cli/commands/contract/id/
wasm.rs1use crate::xdr::{
2 self, AccountId, ContractIdPreimage, ContractIdPreimageFromAddress, Hash, HashIdPreimage,
3 HashIdPreimageContractId, Limits, PublicKey, ScAddress, Uint256, WriteXdr,
4};
5use clap::{arg, command, Parser};
6use sha2::{Digest, Sha256};
7
8use crate::config;
9
10#[derive(Parser, Debug, Clone)]
11#[group(skip)]
12pub struct Cmd {
13 #[arg(long)]
15 pub salt: String,
16
17 #[command(flatten)]
18 pub config: config::Args,
19}
20#[derive(thiserror::Error, Debug)]
21pub enum Error {
22 #[error(transparent)]
23 ConfigError(#[from] config::Error),
24 #[error(transparent)]
25 Xdr(#[from] xdr::Error),
26 #[error("cannot parse salt {0}")]
27 CannotParseSalt(String),
28 #[error("only Ed25519 accounts are allowed")]
29 OnlyEd25519AccountsAllowed,
30}
31impl Cmd {
32 pub async fn run(&self) -> Result<(), Error> {
33 let salt: [u8; 32] = soroban_spec_tools::utils::padded_hex_from_str(&self.salt, 32)
34 .map_err(|_| Error::CannotParseSalt(self.salt.clone()))?
35 .try_into()
36 .map_err(|_| Error::CannotParseSalt(self.salt.clone()))?;
37 let source_account = match self.config.source_account().await? {
38 xdr::MuxedAccount::Ed25519(uint256) => stellar_strkey::ed25519::PublicKey(uint256.0),
39 xdr::MuxedAccount::MuxedEd25519(_) => return Err(Error::OnlyEd25519AccountsAllowed),
40 };
41 let contract_id_preimage = contract_preimage(&source_account, salt);
42 let contract_id = get_contract_id(
43 contract_id_preimage.clone(),
44 &self.config.get_network()?.network_passphrase,
45 )?;
46 println!("{contract_id}");
47 Ok(())
48 }
49}
50
51pub fn contract_preimage(
52 key: &stellar_strkey::ed25519::PublicKey,
53 salt: [u8; 32],
54) -> ContractIdPreimage {
55 let source_account = AccountId(PublicKey::PublicKeyTypeEd25519(key.0.into()));
56 ContractIdPreimage::Address(ContractIdPreimageFromAddress {
57 address: ScAddress::Account(source_account),
58 salt: Uint256(salt),
59 })
60}
61
62pub fn get_contract_id(
63 contract_id_preimage: ContractIdPreimage,
64 network_passphrase: &str,
65) -> Result<stellar_strkey::Contract, Error> {
66 let network_id = Hash(Sha256::digest(network_passphrase.as_bytes()).into());
67 let preimage = HashIdPreimage::ContractId(HashIdPreimageContractId {
68 network_id,
69 contract_id_preimage,
70 });
71 let preimage_xdr = preimage.to_xdr(Limits::none())?;
72 Ok(stellar_strkey::Contract(
73 Sha256::digest(preimage_xdr).into(),
74 ))
75}