feat: Use eyre instead of anyhow

crates/iota-graphql-client/Cargo.toml

@@ -9,12 +9,12 @@ repository = "https://github.com/iotaledger/iota-rust-sdk/"
 description = "GraphQL RPC Client for the IOTA Blockchain"
 
 [dependencies]
-anyhow = "1.0.71"
 base64ct = { version = "1.6.0", features = ["alloc", "std"] }
 bcs = "0.1.4"
 chrono = "0.4.26"
 cynic = "3.7.3"
 derive_more = { version = "2.0", features = ["from"] }
+eyre = "0.6"
 futures = "0.3.29"
 iota-types = { package = "iota-sdk-types", path = "../iota-sdk-types", features = ["serde"] }
 reqwest = { version = "0.12", default-features = false, features = ["rustls-tls", "json"] }

crates/iota-graphql-client/README.md

@@ -23,7 +23,7 @@ Instantiate a client with [`Client::new(server: &str)`] or use one of the predef
 
 ```rust, no_run
 use iota_graphql_client::Client;
-use anyhow::Result;
+use eyre::Result;
 
 #[tokio::main]
 async fn main() -> Result<()> {
@@ -47,7 +47,7 @@ The client provides an API to request gas from the faucet. The `request_and_wait
 use iota_graphql_client::faucet::FaucetClient;
 use iota_types::Address;
 
-use anyhow::Result;
+use eyre::Result;
 use std::str::FromStr;
 
 #[tokio::main]
@@ -77,7 +77,7 @@ Note that this `FaucetClient` is explicitly designed to work with two endpoints:
 use iota_graphql_client::faucet::FaucetClient;
 use iota_types::Address;
 
-use anyhow::Result;
+use eyre::Result;
 use std::str::FromStr;
 
 #[tokio::main]
@@ -157,7 +157,7 @@ pub struct BigInt(pub String);
 The complete example is shown below:
 
 ```rust, ignore
-use anyhow::Result;
+use eyre::Result;
 use cynic::QueryBuilder;
 
 use iota_graphql_client::{

crates/iota-graphql-client/examples/custom_query.rs

@@ -2,8 +2,8 @@
 // Modifications Copyright (c) 2025 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
-use anyhow::Result;
 use cynic::QueryBuilder;
+use eyre::Result;
 use iota_graphql_client::{
     Client,
     query_types::{BigInt, schema},

crates/iota-graphql-client/examples/dynamic_fields.rs

@@ -1,7 +1,7 @@
 // Copyright (c) 2025 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
-use anyhow::Result;
+use eyre::Result;
 use iota_graphql_client::Client;
 
 #[tokio::main]

crates/iota-graphql-client/examples/generic_move_function.rs

@@ -3,7 +3,7 @@
 
 use core::str::FromStr;
 
-use anyhow::{Context, Result};
+use eyre::{OptionExt, Result};
 use iota_graphql_client::Client;
 use iota_transaction_builder::{Function, TransactionBuilder, unresolved::Input};
 use iota_types::{Address, Identifier, TypeTag};
@@ -20,7 +20,7 @@ async fn main() -> Result<()> {
             None,
         )
         .await?
-        .context("missing gas coin")?;
+        .ok_or_eyre("missing gas coin")?;
 
     let mut builder = TransactionBuilder::new();
 
@@ -55,15 +55,15 @@ async fn main() -> Result<()> {
         client
             .reference_gas_price(None)
             .await?
-            .context("missing gas price")?,
+            .ok_or_eyre("missing gas price")?,
     );
     builder.add_gas_objects([Input::from(&gas_coin).with_owned_kind()]);
 
     let txn = builder.finish()?;
     let res = client.dry_run_tx(&txn, false).await?;
 
     if let Some(err) = res.error {
-        anyhow::bail!("Failed to call generic Move function: {err}");
+        eyre::bail!("Failed to call generic Move function: {err}");
     }
 
     println!("Successfully called generic Move function!");

crates/iota-graphql-client/examples/get_object.rs

@@ -3,7 +3,7 @@
 
 use std::str::FromStr;
 
-use anyhow::{Context, Result};
+use eyre::{OptionExt, Result};
 use iota_graphql_client::Client;
 use iota_types::ObjectId;
 
@@ -17,7 +17,7 @@ async fn main() -> Result<()> {
     let obj = client
         .object(object_id, None)
         .await?
-        .context("missing object")?;
+        .ok_or_eyre("missing object")?;
 
     println!("Object ID: {}", obj.object_id());
     println!("Version: {}", obj.version());

crates/iota-graphql-client/examples/move_functions.rs

@@ -3,7 +3,7 @@
 
 use std::str::FromStr;
 
-use anyhow::Result;
+use eyre::Result;
 use iota_graphql_client::Client;
 use iota_types::Address;
 
@@ -14,7 +14,7 @@ async fn main() -> Result<()> {
     let package_address =
         Address::from_str("0x3ec4826f1d6e0d9f00680b2e9a7a41f03788ee610b3d11c24f41ab0ae71da39f")?;
     let Some(package) = client.package(package_address, None).await? else {
-        anyhow::bail!("no package found")
+        eyre::bail!("no package found")
     };
 
     for (module_id, _) in package.modules {
@@ -30,7 +30,7 @@ async fn main() -> Result<()> {
             )
             .await?
         else {
-            anyhow::bail!("module `{module_id}` not found")
+            eyre::bail!("module `{module_id}` not found")
         };
         if let Some(funs) = module.functions {
             println!("Module: {module_id}");

crates/iota-graphql-client/examples/owned_objects.rs

@@ -1,7 +1,7 @@
 // Copyright (c) 2025 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
-use anyhow::Result;
+use eyre::Result;
 use iota_graphql_client::{Client, pagination::PaginationFilter, query_types::ObjectFilter};
 use iota_types::Address;
 

crates/iota-graphql-client/examples/pagination.rs

@@ -1,7 +1,7 @@
 // Copyright (c) 2025 IOTA Stiftung
 // SPDX-License-Identifier: Apache-2.0
 
-use anyhow::Result;
+use eyre::Result;
 use iota_graphql_client::{Client, pagination::PaginationFilter, query_types::ObjectFilter};
 use iota_types::Address;
 

crates/iota-graphql-client/examples/prepare_send_iota.rs

@@ -3,8 +3,8 @@
 
 use std::str::FromStr;
 
-use anyhow::Result;
 use base64ct::Encoding;
+use eyre::Result;
 use iota_graphql_client::Client;
 use iota_transaction_builder::{TransactionBuilder, unresolved::Input};
 use iota_types::{Address, ObjectId};
@@ -63,7 +63,7 @@ async fn main() -> Result<()> {
     let res = client.dry_run_tx(&txn, false).await?;
 
     if let Some(err) = res.error {
-        anyhow::bail!("Failed to send IOTA: {err}");
+        eyre::bail!("Failed to send IOTA: {err}");
     }
 
     println!("Send IOTA dry run was successful!");

crates/iota-graphql-client/examples/prepare_send_iota_multi.rs

@@ -3,8 +3,8 @@
 
 use std::str::FromStr;
 
-use anyhow::{Context, Result};
 use base64ct::Encoding;
+use eyre::{OptionExt, Result};
 use iota_graphql_client::Client;
 use iota_transaction_builder::{TransactionBuilder, unresolved::Input};
 use iota_types::{Address, Argument, ObjectId};
@@ -24,7 +24,7 @@ async fn main() -> Result<()> {
             None,
         )
         .await?
-        .context("missing gas coin")?;
+        .ok_or_eyre("missing gas coin")?;
 
     // Recipients and amounts
     let recipients = [
@@ -61,7 +61,7 @@ async fn main() -> Result<()> {
     // Transfer each split coin to its corresponding recipient
     for (i, recipient_input) in recipient_inputs.into_iter().enumerate() {
         let coin_arg = Argument::get_nested_result(&split_coins_result, i as u16)
-            .ok_or_else(|| anyhow::anyhow!("Failed to get split coin result at index {i}"))?;
+            .ok_or_else(|| eyre::eyre!("Failed to get split coin result at index {i}"))?;
         builder.transfer_objects(vec![coin_arg], recipient_input);
     }
 
@@ -71,7 +71,7 @@ async fn main() -> Result<()> {
         client
             .reference_gas_price(None)
             .await?
-            .context("missing ref gas price")?,
+            .ok_or_eyre("missing ref gas price")?,
     );
     builder.add_gas_objects([Input::from(&gas_coin).with_owned_kind()]);
     let txn = builder.finish()?;
@@ -85,7 +85,7 @@ async fn main() -> Result<()> {
     let res = client.dry_run_tx(&txn, false).await?;
 
     if let Some(err) = res.error {
-        anyhow::bail!("Failed to send IOTA: {err}");
+        eyre::bail!("Failed to send IOTA: {err}");
     }
 
     println!("Send IOTA dry run was successful!");

crates/iota-graphql-client/examples/stake.rs

@@ -3,7 +3,7 @@
 
 use std::str::FromStr;
 
-use anyhow::{Context, Result};
+use eyre::{OptionExt, Result};
 use iota_graphql_client::Client;
 use iota_transaction_builder::{Function, TransactionBuilder, unresolved::Input};
 use iota_types::{Address, Identifier, ObjectId};
@@ -21,7 +21,7 @@ async fn main() -> Result<()> {
         .data
         .into_iter()
         .next()
-        .context("no validators found")?;
+        .ok_or_eyre("no validators found")?;
 
     println!(
         "Staking to validator {}",
@@ -36,7 +36,7 @@ async fn main() -> Result<()> {
             None,
         )
         .await?
-        .context("missing object")?;
+        .ok_or_eyre("missing object")?;
     let gas_coin = client
         .object(
             ObjectId::from_str(
@@ -45,7 +45,7 @@ async fn main() -> Result<()> {
             None,
         )
         .await?
-        .context("missing gas coin")?;
+        .ok_or_eyre("missing gas coin")?;
 
     let mut builder = TransactionBuilder::new();
     let inputs = vec![
@@ -68,14 +68,14 @@ async fn main() -> Result<()> {
         client
             .reference_gas_price(None)
             .await?
-            .context("missing ref gas price")?,
+            .ok_or_eyre("missing ref gas price")?,
     );
     builder.add_gas_objects([Input::from(&gas_coin).with_owned_kind()]);
     let txn = builder.finish()?;
     let res = client.dry_run_tx(&txn, false).await?;
 
     if let Some(err) = res.error {
-        anyhow::bail!("Failed to stake: {err}");
+        eyre::bail!("Failed to stake: {err}");
     }
 
     println!("Stake dry run was successful!");

crates/iota-graphql-client/examples/unstake.rs

@@ -3,7 +3,7 @@
 
 use std::str::FromStr;
 
-use anyhow::{Context, Result};
+use eyre::{OptionExt, Result};
 use iota_graphql_client::{Client, query_types::ObjectFilter};
 use iota_transaction_builder::{Function, TransactionBuilder, unresolved::Input};
 use iota_types::{Address, Identifier, ObjectId, StructTag};
@@ -24,7 +24,7 @@ async fn main() -> Result<()> {
         .data
         .into_iter()
         .next()
-        .context("no staked iota found")?;
+        .ok_or_eyre("no staked iota found")?;
 
     // Get a valid gas coin
     let gas_coin = client
@@ -40,7 +40,7 @@ async fn main() -> Result<()> {
         .data
         .into_iter()
         .next()
-        .context("no gas coin found")?;
+        .ok_or_eyre("no gas coin found")?;
 
     let mut builder = TransactionBuilder::new();
     let inputs = vec![
@@ -69,7 +69,7 @@ async fn main() -> Result<()> {
     let res = client.dry_run_tx(&txn, false).await?;
 
     if let Some(err) = res.error {
-        anyhow::bail!("Failed to unstake: {err}");
+        eyre::bail!("Failed to unstake: {err}");
     }
 
     println!("Unstake dry run was successful!");

crates/iota-graphql-client/src/faucet.rs

@@ -4,7 +4,7 @@
 
 use std::time::Duration;
 
-use anyhow::{anyhow, bail};
+use eyre::{bail, eyre};
 use iota_types::{Address, Digest, ObjectId};
 use reqwest::{StatusCode, Url};
 use serde::{Deserialize, Serialize};
@@ -95,13 +95,13 @@ impl FaucetClient {
     /// Request gas from the faucet. Note that this will return the UUID of the
     /// request and not wait until the token is received. Use
     /// `request_and_wait` to wait for the token.
-    pub async fn request(&self, address: Address) -> anyhow::Result<Option<String>> {
+    pub async fn request(&self, address: Address) -> eyre::Result<Option<String>> {
         self.request_impl(address).await
     }
 
     /// Internal implementation of a faucet request. It returns the task Uuid as
     /// a String.
-    async fn request_impl(&self, address: Address) -> anyhow::Result<Option<String>> {
+    async fn request_impl(&self, address: Address) -> eyre::Result<Option<String>> {
         let address = address.to_string();
         let json_body = json![{
             "FixedAmountRequest": {
@@ -158,10 +158,7 @@ impl FaucetClient {
     ///
     /// Note that the faucet is heavily rate-limited, so calling repeatedly the
     /// faucet would likely result in a 429 code or 502 code.
-    pub async fn request_and_wait(
-        &self,
-        address: Address,
-    ) -> anyhow::Result<Option<FaucetReceipt>> {
+    pub async fn request_and_wait(&self, address: Address) -> eyre::Result<Option<FaucetReceipt>> {
         let request_id = self.request(address).await?;
         if let Some(request_id) = request_id {
             let poll_response = tokio::time::timeout(FAUCET_REQUEST_TIMEOUT, async {
@@ -189,7 +186,7 @@ impl FaucetClient {
                         }
                     } else if let Some(err) = req.err() {
                         error!("Faucet request {request_id} failed. Error: {:?}", err);
-                        break Err(anyhow!(
+                        break Err(eyre!(
                             "Faucet request {request_id} failed. Error: {:?}",
                             err
                         ));
@@ -202,7 +199,7 @@ impl FaucetClient {
                     "Faucet request {request_id} timed out. Timeout set to {} seconds",
                     FAUCET_REQUEST_TIMEOUT.as_secs()
                 );
-                anyhow!("Faucet request timed out")
+                eyre!("Faucet request timed out")
             })??;
             Ok(poll_response.transferred_gas_objects)
         } else {
@@ -213,7 +210,7 @@ impl FaucetClient {
     /// Check the faucet request status.
     ///
     /// Possible statuses are defined in: [`BatchSendStatusType`]
-    pub async fn request_status(&self, id: String) -> anyhow::Result<Option<BatchSendStatus>> {
+    pub async fn request_status(&self, id: String) -> eyre::Result<Option<BatchSendStatus>> {
         let status_url = format!("{}v1/status/{}", self.faucet_url, id);
         info!("Checking status of faucet request: {status_url}");
         let response = self.inner.get(&status_url).send().await?;
@@ -227,7 +224,7 @@ impl FaucetClient {
             .await
             .map_err(|e| {
                 error!("Failed to parse faucet response: {:?}", e);
-                anyhow!("Failed to parse faucet response: {:?}", e)
+                eyre!("Failed to parse faucet response: {:?}", e)
             })?;
         Ok(json.status)
     }