63 lines
1.5 KiB
Markdown
63 lines
1.5 KiB
Markdown
# EIP-712  [](https://docs.rs/EIP-712)
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## Example
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```rust
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use eip_712::{EIP712, hash_structured_data};
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use serde_json::from_str;
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use rustc_hex::ToHex;
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fn main() {
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let json = r#"{
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"primaryType": "Mail",
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"domain": {
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"name": "Ether Mail",
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"version": "1",
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"chainId": "0x1",
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"verifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC"
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},
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"message": {
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"from": {
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"name": "Cow",
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"wallet": "0xCD2a3d9F938E13CD947Ec05AbC7FE734Df8DD826"
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},
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"to": {
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"name": "Bob",
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"wallet": "0xbBbBBBBbbBBBbbbBbbBbbbbBBbBbbbbBbBbbBBbB"
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},
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"contents": "Hello, Bob!"
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},
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"types": {
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"EIP712Domain": [
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{ "name": "name", "type": "string" },
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{ "name": "version", "type": "string" },
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{ "name": "chainId", "type": "uint256" },
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{ "name": "verifyingContract", "type": "address" }
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],
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"Person": [
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{ "name": "name", "type": "string" },
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{ "name": "wallet", "type": "address" }
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],
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"Mail": [
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{ "name": "from", "type": "Person" },
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{ "name": "to", "type": "Person" },
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{ "name": "contents", "type": "string" }
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]
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}
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}"#;
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let typed_data = from_str::<EIP712>(json).unwrap();
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assert_eq!(
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hash_structured_data(typed_data).unwrap().to_hex::<String>(),
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"be609aee343fb3c4b28e1df9e632fca64fcfaede20f02e86244efddf30957bd2"
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)
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}
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```
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## License
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This crate is distributed under the terms of GNU GENERAL PUBLIC LICENSE version 3.0.
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See [LICENSE](../../LICENSE) for details.
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