ethabi_fork_ethcontract/
state_mutability.rs

1use serde::de::{Error, Visitor};
2use serde::{Deserialize, Deserializer};
3use std::fmt;
4
5/// Whether a function modifies or reads blockchain state
6#[derive(Debug, Copy, Clone, PartialEq, Eq)]
7pub enum StateMutability {
8	/// Specified not to read blockchain state
9	Pure,
10	/// Specified to not modify the blockchain state
11	View,
12	/// Function does not accept Ether - the default
13	NonPayable,
14	/// Function accepts Ether
15	Payable,
16}
17
18impl Default for StateMutability {
19	fn default() -> Self {
20		Self::NonPayable
21	}
22}
23
24impl<'a> Deserialize<'a> for StateMutability {
25	fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
26	where
27		D: Deserializer<'a>,
28	{
29		deserializer.deserialize_any(StateMutabilityVisitor)
30	}
31}
32
33struct StateMutabilityVisitor;
34
35impl<'a> Visitor<'a> for StateMutabilityVisitor {
36	type Value = StateMutability;
37
38	fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
39		write!(formatter, "the string 'pure', 'view', 'payable', or 'nonpayable'")
40	}
41
42	fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
43	where
44		E: Error,
45	{
46		use StateMutability::*;
47		Ok(match v {
48			"pure" => Pure,
49			"view" => View,
50			"payable" => Payable,
51			"nonpayable" => NonPayable,
52			_ => return Err(Error::unknown_variant(v, &["pure", "view", "payable", "nonpayable"])),
53		})
54	}
55}
ethabi_fork_ethcontract/state_mutability.rs

ethabi_fork_ethcontract/
state_mutability.rs
