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According to https://github.com/ethereum/EIPs/blob/master/EIPS/eip-712.md#definition- of-domainseparator “Protocol designers only need to include the fields that make sense for their signing domain.” |
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| src | ||
| Cargo.toml | ||
| README.md | ||
EIP-712 
Example
use eip_712::{EIP712, hash_structured_data};
use serde_json::from_str;
use rustc_hex::ToHex;
fn main() {
let json = r#"{
"primaryType": "Mail",
"domain": {
"name": "Ether Mail",
"version": "1",
"chainId": "0x1",
"verifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
},
"message": {
"from": {
"name": "Cow",
"wallet": "0xCD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826"
},
"to": {
"name": "Bob",
"wallet": "0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB"
},
"contents": "Hello, Bob!"
},
"types": {
"EIP712Domain": [
{ "name": "name", "type": "string" },
{ "name": "version", "type": "string" },
{ "name": "chainId", "type": "uint256" },
{ "name": "verifyingContract", "type": "address" }
],
"Person": [
{ "name": "name", "type": "string" },
{ "name": "wallet", "type": "address" }
],
"Mail": [
{ "name": "from", "type": "Person" },
{ "name": "to", "type": "Person" },
{ "name": "contents", "type": "string" }
]
}
}"#;
let typed_data = from_str::<EIP712>(json).unwrap();
assert_eq!(
hash_structured_data(typed_data).unwrap().to_hex::<String>(),
"be609aee343fb3c4b28e1df9e632fca64fcfaede20f02e86244efddf30957bd2"
)
}
License
This crate is distributed under the terms of GNU GENERAL PUBLIC LICENSE version 3.0.
See LICENSE for details.