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use std::array::TryFromSliceError;
use std::fmt::Debug;
use std::num::ParseIntError;
use clap::{command, Parser};
use soroban_env_host::xdr::{
Error as XdrError, Hash, HostFunction, InstallContractCodeArgs, InvokeHostFunctionOp,
LedgerFootprint, LedgerKey::ContractCode, LedgerKeyContractCode, Memo, MuxedAccount, Operation,
OperationBody, Preconditions, SequenceNumber, Transaction, TransactionEnvelope, TransactionExt,
Uint256, VecM,
};
use soroban_env_host::HostError;
use crate::rpc::{self, Client};
use crate::{commands::config, utils, wasm};
#[derive(Parser, Debug, Clone)]
#[group(skip)]
pub struct Cmd {
#[command(flatten)]
pub wasm: wasm::Args,
#[command(flatten)]
pub config: config::Args,
}
#[derive(thiserror::Error, Debug)]
pub enum Error {
#[error(transparent)]
Host(#[from] HostError),
#[error("error parsing int: {0}")]
ParseIntError(#[from] ParseIntError),
#[error("internal conversion error: {0}")]
TryFromSliceError(#[from] TryFromSliceError),
#[error("xdr processing error: {0}")]
Xdr(#[from] XdrError),
#[error("jsonrpc error: {0}")]
JsonRpc(#[from] jsonrpsee_core::Error),
#[error(transparent)]
Rpc(#[from] rpc::Error),
#[error(transparent)]
Config(#[from] config::Error),
#[error(transparent)]
Wasm(#[from] wasm::Error),
}
impl Cmd {
pub async fn run(&self) -> Result<(), Error> {
let res_str = hex::encode(self.run_and_get_hash().await?);
println!("{res_str}");
Ok(())
}
pub async fn run_and_get_hash(&self) -> Result<Hash, Error> {
let contract = self.wasm.read()?;
if self.config.is_no_network() {
self.run_in_sandbox(contract)
} else {
self.run_against_rpc_server(contract).await
}
}
pub fn run_in_sandbox(&self, contract: Vec<u8>) -> Result<Hash, Error> {
let mut state = self.config.get_state()?;
let wasm_hash =
utils::add_contract_code_to_ledger_entries(&mut state.ledger_entries, contract)?;
self.config.set_state(&mut state)?;
Ok(wasm_hash)
}
async fn run_against_rpc_server(&self, contract: Vec<u8>) -> Result<Hash, Error> {
let network = self.config.get_network()?;
let client = Client::new(&network.rpc_url);
let key = self.config.key_pair()?;
let public_strkey = stellar_strkey::ed25519::PublicKey(key.public.to_bytes()).to_string();
let account_details = client.get_account(&public_strkey).await?;
let fee: u32 = 100;
let sequence: i64 = account_details.seq_num.into();
let (tx, hash) = build_install_contract_code_tx(
contract,
sequence + 1,
fee,
&network.network_passphrase,
&key,
)?;
client.send_transaction(&tx).await?;
Ok(hash)
}
}
pub(crate) fn build_install_contract_code_tx(
contract: Vec<u8>,
sequence: i64,
fee: u32,
network_passphrase: &str,
key: &ed25519_dalek::Keypair,
) -> Result<(TransactionEnvelope, Hash), XdrError> {
let hash = utils::contract_hash(&contract)?;
let op = Operation {
source_account: None,
body: OperationBody::InvokeHostFunction(InvokeHostFunctionOp {
function: HostFunction::InstallContractCode(InstallContractCodeArgs {
code: contract.try_into()?,
}),
footprint: LedgerFootprint {
read_only: VecM::default(),
read_write: vec![ContractCode(LedgerKeyContractCode { hash: hash.clone() })]
.try_into()?,
},
auth: VecM::default(),
}),
};
let tx = Transaction {
source_account: MuxedAccount::Ed25519(Uint256(key.public.to_bytes())),
fee,
seq_num: SequenceNumber(sequence),
cond: Preconditions::None,
memo: Memo::None,
operations: vec![op].try_into()?,
ext: TransactionExt::V0,
};
let envelope = utils::sign_transaction(key, &tx, network_passphrase)?;
Ok((envelope, hash))
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_build_install_contract_code() {
let result = build_install_contract_code_tx(
b"foo".to_vec(),
300,
1,
"Public Global Stellar Network ; September 2015",
&utils::parse_secret_key("SBFGFF27Y64ZUGFAIG5AMJGQODZZKV2YQKAVUUN4HNE24XZXD2OEUVUP")
.unwrap(),
);
assert!(result.is_ok());
}
}