https://github.com/danielwpz/near2aurora

https://github.com/danielwpz/near2aurora

Last synced: 14 days ago
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• Host: GitHub
• URL: https://github.com/danielwpz/near2aurora
• Owner: danielwpz
• Created: 2022-11-16T07:32:18.000Z (about 2 years ago)
• Default Branch: main
• Last Pushed: 2023-02-07T16:10:44.000Z (almost 2 years ago)
• Last Synced: 2024-03-15T06:04:11.581Z (8 months ago)
• Language: Rust
• Size: 33.2 KB
• Stars: 0
• Watchers: 1
• Forks: 1
• Open Issues: 1
• Metadata Files:
  • Readme: README.md

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README

        
# near2aurora

Helper module to call AURORA smart contracts from NEAR.

## API

```rust

fn call(

    aurora_account_id: &AccountId,

    contract_address: &String,

    method: &Function,

    arguments: &Vec,

    value: Option,

    gas: Option,

) -> Promise;

```

## Example

This example shows how to call the `approve` method on ERC20 tokens.

The method signature : `function approve(address spender, uint256 amount) external returns (bool)`

To do so, you need to first define the method via `ethabi` exported by `near2aurora`:

```rust

let approve = near2aurora::Function {

    name: "approve".to_string(),

    inputs: vec![

        Param {

            name: "spender".to_string(),

            kind: near2aurora::ParamType::Address,

            internal_type: None,

        },

        Param {

            name: "amount".to_string(),

            kind: near2aurora::ParamType::Uint(256),

            internal_type: None,

        },

    ],

    outputs: vec![Param {

        name: "result".into(),

        kind: near2aurora::ParamType::Bool,

        internal_type: None,

    }],

    constant: None,

    state_mutability: near2aurora::StateMutability::NonPayable,

};

```

Then prepare the call args:

```rust

let args = vec![

    Token::Address("6105fa59830085aa0ce57dbf5063af2c1d766b6b".parse().unwrap()),

    Token::Uint(10000000000.into()),

]

```

And finally make the call:

```rust

near2aurora::call(

    &AccountId::new_unchecked("aurora".into()),

    &contract_address,

    &approve,

    &args,

    None,

    None

);

```