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use failure::Error; use reqwest::header::{ContentType, Headers}; use reqwest::{self, Response}; use serde_json::Value; use utils::input_validator; const REQUEST_FAILED: &str = "API request failed"; const PARSE_FAILED: &str = "Failed to parse json response"; pub fn get_node_info(uri: &str) -> Result<Value, Error> { let client = reqwest::Client::new(); let mut headers = Headers::new(); headers.set(ContentType::json()); headers.set_raw("X-IOTA-API-Version", "1"); let body = json!({ "command": "getNodeInfo", }); Ok(client .post(uri) .headers(headers) .body(body.to_string()) .send()? .json()?) } pub fn get_neighbors(uri: &str) -> Result<Value, Error> { let client = reqwest::Client::new(); let mut headers = Headers::new(); headers.set(ContentType::json()); headers.set_raw("X-IOTA-API-Version", "1"); let body = json!({ "command": "getNeighbors", }); Ok(client .post(uri) .headers(headers) .body(body.to_string()) .send()? .json()?) } pub fn add_neighbors(uri: &str, uris: &[String]) -> Result<Value, Error> { let client = reqwest::Client::new(); let mut headers = Headers::new(); headers.set(ContentType::json()); headers.set_raw("X-IOTA-API-Version", "1"); let body = json!({ "command": "addNeighbors", "uris": uris, }); Ok(client .post(uri) .headers(headers) .body(body.to_string()) .send()? .json()?) } pub fn remove_neighbors(uri: &str, uris: &[String]) -> Result<Value, Error> { let client = reqwest::Client::new(); let mut headers = Headers::new(); headers.set(ContentType::json()); headers.set_raw("X-IOTA-API-Version", "1"); let body = json!({ "command": "removeNeighbors", "uris": uris, }); Ok(client .post(uri) .headers(headers) .body(body.to_string()) .send()? .json()?) } pub fn get_tips(uri: &str) -> Result<Value, Error> { let client = reqwest::Client::new(); let mut headers = Headers::new(); headers.set(ContentType::json()); headers.set_raw("X-IOTA-API-Version", "1"); let body = json!({ "command": "getTips", }); Ok(client .post(uri) .headers(headers) .body(body.to_string()) .send()? .json()?) } pub fn find_transactions( uri: &str, bundles: Option<&[String]>, addresses: Option<&[String]>, tags: Option<&[String]>, approvees: Option<&[String]>, ) -> Result<Value, Error> { let client = reqwest::Client::new(); let mut headers = Headers::new(); headers.set(ContentType::json()); headers.set_raw("X-IOTA-API-Version", "1"); let mut body = json!({ "command": "findTransactions", }); if let Some(b) = bundles { body["bundles"] = json!(b); } if let Some(a) = addresses { body["addresses"] = json!(a); } if let Some(t) = tags { body["tags"] = json!(t); } if let Some(a) = approvees { body["approvees"] = json!(a); } Ok(client .post(uri) .headers(headers) .body(body.to_string()) .send()? .json()?) } pub fn get_trytes(uri: &str, hashes: &[String]) -> Result<Value, Error> { assert!(input_validator::is_array_of_hashes(hashes)); let client = reqwest::Client::new(); let mut headers = Headers::new(); headers.set(ContentType::json()); headers.set_raw("X-IOTA-API-Version", "1"); let body = json!({ "command": "getTrytes", "hashes": hashes, }); Ok(client .post(uri) .headers(headers) .body(body.to_string()) .send()? .json()?) } pub fn get_inclusion_states( uri: &str, transactions: &[String], tips: &[String], ) -> Result<Value, Error> { assert!(input_validator::is_array_of_hashes(transactions)); assert!(input_validator::is_array_of_hashes(tips)); let client = reqwest::Client::new(); let mut headers = Headers::new(); headers.set(ContentType::json()); headers.set_raw("X-IOTA-API-Version", "1"); let body = json!({ "command": "getInclusionStates", "transactions": transactions, "tips": tips, }); Ok(client .post(uri) .headers(headers) .body(body.to_string()) .send()? .json()?) } pub fn get_balances(uri: &str, addresses: &[String], threshold: i32) -> Result<Value, Error> { let client = reqwest::Client::new(); let mut headers = Headers::new(); headers.set(ContentType::json()); headers.set_raw("X-IOTA-API-Version", "1"); let body = json!({ "command": "getBalances", "addresses": addresses, "threshold": threshold, }); Ok(client .post(uri) .headers(headers) .body(body.to_string()) .send()? .json()?) } pub fn get_transactions_to_approve(uri: &str, depth: i32) -> Result<Value, Error> { let client = reqwest::Client::new(); let mut headers = Headers::new(); headers.set(ContentType::json()); headers.set_raw("X-IOTA-API-Version", "1"); let body = json!({ "command": "getTransactionsToApprove", "depth": depth, }); Ok(client .post(uri) .headers(headers) .body(body.to_string()) .send()? .json()?) } pub fn attach_to_tangle( uri: &str, trunk_transaction: &str, branch_transaction: &str, min_weight_magnitude: i32, trytes: &[String], ) -> Result<Value, Error> { assert!(input_validator::is_hash(trunk_transaction)); assert!(input_validator::is_hash(branch_transaction)); assert!(input_validator::is_array_of_trytes(trytes)); let client = reqwest::Client::new(); let mut headers = Headers::new(); headers.set(ContentType::json()); headers.set_raw("X-IOTA-API-Version", "1"); let body = json!({ "command": "attachToTangle", "trunkTransaction": trunk_transaction, "branchTransaction": branch_transaction, "minWeightMagnitude": min_weight_magnitude, "trytes": trytes, }); Ok(client .post(uri) .headers(headers) .body(body.to_string()) .send()? .json()?) } pub fn interrupt_attaching_to_tangle(uri: &str) -> Result<Response, Error> { let client = reqwest::Client::new(); Ok(client.post(uri).send()?) } pub fn broadcast_transactions(uri: &str, trytes: &[String]) -> Result<Value, Error> { assert!(input_validator::is_array_of_attached_trytes(trytes)); let client = reqwest::Client::new(); let mut headers = Headers::new(); headers.set(ContentType::json()); headers.set_raw("X-IOTA-API-Version", "1"); let body = json!({ "command": "broadcastTransactions", "trytes": trytes, }); Ok(client .post(uri) .headers(headers) .body(body.to_string()) .send()? .json()?) } pub fn store_transactions(uri: &str, trytes: &[String]) -> Result<Value, Error> { let client = reqwest::Client::new(); let mut headers = Headers::new(); headers.set(ContentType::json()); headers.set_raw("X-IOTA-API-Version", "1"); let body = json!({ "command": "storeTransactions", "trytes": trytes, }); Ok(client .post(uri) .headers(headers) .body(body.to_string()) .send()? .json()?) }