Use accounts[1] for Lua code and tx userdata as arg data
This makes the Lua version nearly identical to the C one.
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0403299728
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9c4e19958b
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@ -29,8 +29,12 @@ fn update_accounts(lua: &Lua, name: &str, keyed_accounts: &mut Vec<KeyedAccount>
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Ok(())
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}
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fn run_lua(keyed_accounts: &mut Vec<KeyedAccount>, code: &str) -> Result<()> {
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fn run_lua(keyed_accounts: &mut Vec<KeyedAccount>, code: &str, data: &[u8]) -> Result<()> {
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let lua = Lua::new();
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let globals = lua.globals();
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let data_str = lua.create_string(data)?;
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globals.set("data", data_str)?;
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set_accounts(&lua, "accounts", keyed_accounts)?;
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lua.exec::<_, ()>(code, None)?;
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update_accounts(&lua, "accounts", keyed_accounts)
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@ -38,8 +42,8 @@ fn run_lua(keyed_accounts: &mut Vec<KeyedAccount>, code: &str) -> Result<()> {
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#[no_mangle]
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pub extern "C" fn process(keyed_accounts: &mut Vec<KeyedAccount>, data: &[u8]) {
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let code: String = deserialize(&data).unwrap();
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run_lua(keyed_accounts, &code).unwrap();
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let code: String = deserialize(&keyed_accounts[0].account.userdata).unwrap();
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run_lua(keyed_accounts, &code, data).unwrap();
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}
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#[cfg(test)]
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@ -68,7 +72,7 @@ mod tests {
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fn test_credit_with_lua() -> Result<()> {
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let code = r#"accounts[1].tokens = accounts[1].tokens + 1"#;
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let mut accounts = [(Pubkey::default(), Account::default())];
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run_lua(&mut create_keyed_accounts(&mut accounts), code)?;
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run_lua(&mut create_keyed_accounts(&mut accounts), code, &[])?;
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assert_eq!(accounts[0].1.tokens, 1);
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Ok(())
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}
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@ -77,14 +81,14 @@ mod tests {
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fn test_error_with_lua() {
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let code = r#"accounts[1].tokens += 1"#;
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let mut accounts = [(Pubkey::default(), Account::default())];
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assert!(run_lua(&mut create_keyed_accounts(&mut accounts), code).is_err());
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assert!(run_lua(&mut create_keyed_accounts(&mut accounts), code, &[]).is_err());
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}
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#[test]
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fn test_move_funds_with_lua_via_process() {
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let data: Vec<u8> = serialize(
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let userdata: Vec<u8> = serialize(
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r#"
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local tokens = 100
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local tokens, _ = string.unpack("I", data)
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accounts[1].tokens = accounts[1].tokens - tokens
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accounts[2].tokens = accounts[2].tokens + tokens
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"#,
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@ -95,12 +99,23 @@ mod tests {
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let program_id = Pubkey::default();
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let mut accounts = [
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(alice_pubkey, Account::new(100, 0, program_id)),
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(
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alice_pubkey,
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Account {
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tokens: 100,
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userdata,
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program_id,
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},
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),
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(bob_pubkey, Account::new(1, 0, program_id)),
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];
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let data = serialize(&10).unwrap();
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process(&mut create_keyed_accounts(&mut accounts), &data);
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assert_eq!(accounts[0].1.tokens, 90);
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assert_eq!(accounts[1].1.tokens, 11);
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assert_eq!(accounts[0].1.tokens, 0);
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assert_eq!(accounts[1].1.tokens, 101);
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process(&mut create_keyed_accounts(&mut accounts), &data);
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assert_eq!(accounts[0].1.tokens, 80);
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assert_eq!(accounts[1].1.tokens, 21);
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}
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}
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