use ergotree_ir::mir::decode_point::DecodePoint;
use ergotree_ir::mir::value::Value;
use crate::eval::env::Env;
use crate::eval::EvalContext;
use crate::eval::EvalError;
use crate::eval::EvalError::Misc;
use crate::eval::Evaluable;
use ergo_chain_types::EcPoint;
use ergotree_ir::mir::constant::TryExtractInto;
use ergotree_ir::serialization::SigmaSerializable;
impl Evaluable for DecodePoint {
fn eval(&self, env: &Env, ctx: &mut EvalContext) -> Result<Value, EvalError> {
let point_bytes = self.input.eval(env, ctx)?.try_extract_into::<Vec<u8>>()?;
let point: EcPoint = SigmaSerializable::sigma_parse_bytes(&point_bytes).map_err(|_| {
Misc(String::from(
"DecodePoint: Failed to parse EC point from bytes",
))
})?;
Ok(point.into())
}
}
#[cfg(test)]
#[allow(clippy::unwrap_used)]
#[allow(clippy::panic)]
mod tests {
use crate::eval::tests::eval_out_wo_ctx;
use super::*;
use ergotree_ir::mir::expr::Expr;
use ergotree_ir::serialization::SigmaSerializable;
use proptest::prelude::*;
proptest! {
#[test]
fn eval(ecp in any::<EcPoint>()) {
let bytes = ecp.sigma_serialize_bytes().unwrap();
let expr: Expr = DecodePoint {input: Expr::Const(bytes.into()).into()}.into();
let res = eval_out_wo_ctx::<EcPoint>(&expr);
prop_assert_eq!(res, ecp);
}
}
}