solagent 0.1.12

connect any ai agents to solana protocols in Rust.
Documentation 
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// Copyright 2025 zTgx
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use crate::{
    actions::{close_empty_token_accounts, CloseEmptyTokenAccountsData},
    SolanaAgentKit,
};
use rig::{
    completion::ToolDefinition,
    tool::{Tool, ToolEmbedding},
};
use serde::{Deserialize, Serialize};
use std::sync::Arc;

#[derive(Debug, Deserialize)]
pub struct CloseEmptyTokenAccountsArgs {}

#[derive(Deserialize, Serialize)]
pub struct CloseEmptyTokenAccountsOutput {
    pub data: CloseEmptyTokenAccountsData,
}

#[derive(Debug, thiserror::Error)]
#[error("CloseEmptyTokenAccounts error")]
pub struct CloseEmptyTokenAccountsError;

pub struct CloseEmptyTokenAccounts {
    agent: Arc<SolanaAgentKit>,
}

impl CloseEmptyTokenAccounts {
    pub fn new(agent: Arc<SolanaAgentKit>) -> Self {
        CloseEmptyTokenAccounts { agent }
    }
}

impl Tool for CloseEmptyTokenAccounts {
    const NAME: &'static str = "close_empty_token_accounts";

    type Error = CloseEmptyTokenAccountsError;
    type Args = CloseEmptyTokenAccountsArgs;
    type Output = CloseEmptyTokenAccountsOutput;

    async fn definition(&self, _prompt: String) -> ToolDefinition {
        ToolDefinition {
            name: "close_empty_token_accounts".to_string(),
            description: r#"
            Close empty SPL Token accounts associated with your wallet to reclaim rent. 
            This action will close both regular SPL Token accounts and Token-2022 accounts that have zero balance. 

            examples: [
                [
                    {
                        input: {},
                        output: {
                            status: "success",
                            signature:
                                "3KmPyiZvJQk8CfBVVaz8nf3c2crb6iqjQVDqNxknnusyb1FTFpXqD8zVSCBAd1X3rUcD8WiG1bdSjFbeHsmcYGXY",
                            accountsClosed: 10,
                        },
                        explanation: "Closed 10 empty token accounts successfully.",
                    },
                ],
                [
                    {
                        input: {},
                        output: {
                            status: "success",
                            signature: "",
                            accountsClosed: 0,
                        },
                        explanation: "No empty token accounts were found to close.",
                    },
                ],
            ]

"#.to_string(),
            parameters: serde_json::Value::Null,
        }
    }

    async fn call(&self, _args: Self::Args) -> Result<Self::Output, Self::Error> {
        let data = close_empty_token_accounts(&self.agent).await.expect("close_empty_token_accounts");

        Ok(CloseEmptyTokenAccountsOutput { data })
    }
}

#[derive(Debug, thiserror::Error)]
#[error("Init error")]
pub struct InitError;

impl ToolEmbedding for CloseEmptyTokenAccounts {
    type InitError = InitError;
    type Context = ();
    type State = Arc<SolanaAgentKit>;

    fn init(state: Self::State, _context: Self::Context) -> Result<Self, Self::InitError> {
        Ok(CloseEmptyTokenAccounts { agent: state })
    }

    fn embedding_docs(&self) -> Vec<String> {
        vec!["Close empty SPL Token accounts associated with your wallet to reclaim rent.".into()]
    }

    fn context(&self) -> Self::Context {}
}