Make sp_core and sp_runtime dependencies optional, and bump to latest

codegen/src/api/mod.rs

@@ -169,23 +169,23 @@ impl RuntimeGenerator {
             ),
             (
                 "sp_core::crypto::AccountId32",
-                parse_quote!(#crate_path::ext::sp_core::crypto::AccountId32),
+                parse_quote!(#crate_path::utils::AccountId32),
+            ),
+            (
+                "sp_runtime::multiaddress::MultiAddress",
+                parse_quote!(#crate_path::utils::MultiAddress),
             ),
             (
                 "primitive_types::H160",
-                parse_quote!(#crate_path::ext::sp_core::H160),
+                parse_quote!(#crate_path::utils::H160),
             ),
             (
                 "primitive_types::H256",
-                parse_quote!(#crate_path::ext::sp_core::H256),
+                parse_quote!(#crate_path::utils::H256),
             ),
             (
                 "primitive_types::H512",
-                parse_quote!(#crate_path::ext::sp_core::H512),
-            ),
-            (
-                "sp_runtime::multiaddress::MultiAddress",
-                parse_quote!(#crate_path::ext::sp_runtime::MultiAddress),
+                parse_quote!(#crate_path::utils::H512),
             ),
             (
                 "frame_support::traits::misc::WrapperKeepOpaque",

examples/Cargo.toml

@@ -14,8 +14,10 @@ description = "Subxt example usage"
 [dev-dependencies]
 subxt = { path = "../subxt" }
 tokio = { version = "1.8", features = ["rt-multi-thread", "macros", "time"] }
-sp-keyring = "7.0.0"
+sp-keyring = "12.0.0"
 futures = "0.3.13"
 codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive", "full", "bit-vec"] }
 hex = "0.4.3"
 tracing-subscriber = "0.3.11"
+sp-core = { version = "11.0.0", default-features = false }
+sp-runtime = { version = "12.0.0" }

examples/examples/balance_transfer_with_params.rs

@@ -12,14 +12,16 @@
 
 use sp_keyring::AccountKeyring;
 use subxt::{
-    tx::{
-        Era,
-        PairSigner,
-        PlainTip,
-        PolkadotExtrinsicParamsBuilder as Params,
+    config::{
+        polkadot::{
+            Era,
+            PlainTip,
+            PolkadotExtrinsicParamsBuilder as Params,
+        },
+        PolkadotConfig,
     },
+    tx::PairSigner,
     OnlineClient,
-    PolkadotConfig,
 };
 
 #[subxt::subxt(runtime_metadata_path = "../artifacts/polkadot_metadata.scale")]

examples/examples/concurrent_storage_requests.rs

@@ -24,7 +24,7 @@ pub mod polkadot {}
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let api = OnlineClient::<PolkadotConfig>::new().await?;
 
-    let addr = AccountKeyring::Bob.to_account_id();
+    let addr = AccountKeyring::Bob.to_account_id().into();
 
     // Construct storage addresses to access:
     let staking_bonded = polkadot::storage().staking().bonded(&addr);

examples/examples/custom_config.rs

@@ -8,13 +8,11 @@
 use sp_keyring::AccountKeyring;
 use subxt::{
     config::{
+        substrate::SubstrateExtrinsicParams,
         Config,
         SubstrateConfig,
     },
-    tx::{
-        PairSigner,
-        SubstrateExtrinsicParams,
-    },
+    tx::PairSigner,
     OnlineClient,
 };
 
@@ -34,10 +32,10 @@ impl Config for MyConfig {
     type Index = u64;
     type BlockNumber = <SubstrateConfig as Config>::BlockNumber;
     type Hash = <SubstrateConfig as Config>::Hash;
-    type Hashing = <SubstrateConfig as Config>::Hashing;
+    type Hasher = <SubstrateConfig as Config>::Hasher;
+    type Header = <SubstrateConfig as Config>::Header;
     type AccountId = <SubstrateConfig as Config>::AccountId;
     type Address = <SubstrateConfig as Config>::Address;
-    type Header = <SubstrateConfig as Config>::Header;
     type Signature = <SubstrateConfig as Config>::Signature;
     // ExtrinsicParams makes use of the index type, so we need to adjust it
     // too to align with our modified index type, above:

examples/examples/fetch_staking_details.rs

@@ -10,15 +10,13 @@
 //! polkadot --dev --tmp
 //! ```
 
+use sp_core::{
+    sr25519,
+    Pair,
+};
 use sp_keyring::AccountKeyring;
 use subxt::{
-    ext::{
-        sp_core::{
-            sr25519,
-            Pair,
-        },
-        sp_runtime::AccountId32,
-    },
+    utils::AccountId32,
     OnlineClient,
     PolkadotConfig,
 };

examples/examples/multisig.rs

@@ -54,7 +54,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         // threshold
         1,
         // other signatories
-        vec![signer_account_id],
+        vec![signer_account_id.into()],
         // maybe timepoint
         None,
         // call

examples/examples/rpc_call_subscribe_blocks.rs

@@ -11,11 +11,7 @@
 //! ```
 
 use subxt::{
-    ext::sp_runtime::{
-        generic::Header,
-        traits::BlakeTwo256,
-    },
-    rpc::Subscription,
+    config::Header,
     OnlineClient,
     PolkadotConfig,
 };
@@ -28,8 +24,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         OnlineClient::<PolkadotConfig>::from_url("wss://rpc.polkadot.io:443").await?;
 
     // For non-finalised blocks use `.subscribe_blocks()`
-    let mut blocks: Subscription<Header<u32, BlakeTwo256>> =
-        api.rpc().subscribe_finalized_block_headers().await?;
+    let mut blocks = api.rpc().subscribe_finalized_block_headers().await?;
 
     while let Some(Ok(block)) = blocks.next().await {
         println!(

metadata/Cargo.toml

@@ -16,7 +16,7 @@ description = "Command line utilities for checking metadata compatibility betwee
 codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive", "full"] }
 frame-metadata = "15.0.0"
 scale-info = "2.0.0"
-sp-core = "7.0.0"
+sp-core-hashing = "6.0.0"
 
 [dev-dependencies]
 bitvec = { version = "1.0.0", default-features = false, features = ["alloc"] }

metadata/src/lib.rs

@@ -32,8 +32,8 @@ enum TypeBeingHashed {
 }
 
 /// Hashing function utilized internally.
-fn hash(bytes: &[u8]) -> [u8; 32] {
-    sp_core::hashing::twox_256(bytes)
+fn hash(data: &[u8]) -> [u8; 32] {
+    sp_core_hashing::twox_256(data)
 }
 
 /// XOR two hashes together. If we have two pseudorandom hashes, then this will

subxt/Cargo.toml

@@ -14,7 +14,14 @@ description = "Submit extrinsics (transactions) to a substrate node via RPC"
 keywords = ["parity", "substrate", "blockchain"]
 
 [features]
-default = ["jsonrpsee-ws"]
+default = ["jsonrpsee-ws", "substrate-compat"]
+
+# Activate this feature to pull in extra Substrate dependencies which make it
+# possible to provide a proper extrinsic Signer implementation (PairSigner).
+substrate-compat = [
+    "sp-core",
+    "sp-runtime"
+]
 
 # Activate this to expose functionality only used for integration testing.
 # The exposed functionality is subject to breaking changes at any point,
@@ -32,23 +39,32 @@ scale-info = "2.0.0"
 scale-value = "0.6.0"
 scale-bits = "0.3"
 scale-decode = "0.4.0"
-futures = { version = "0.3.13", default-features = false }
+futures = { version = "0.3.13", default-features = false, features = ["std"] }
 hex = "0.4.3"
 jsonrpsee = { version = "0.16", optional = true, features = ["jsonrpsee-types"] }
 serde = { version = "1.0.124", features = ["derive"] }
 serde_json = { version = "1.0.64", features = ["raw_value"] }
 thiserror = "1.0.24"
 tracing = "0.1.34"
 parking_lot = "0.12.0"
+frame-metadata = "15.0.0"
+derivative = "2.2.0"
 
 subxt-macro = { version = "0.25.0", path = "../macro" }
 subxt-metadata = { version = "0.25.0", path = "../metadata" }
 
-sp-core = { version = "7.0.0", default-features = false  }
-sp-runtime = "7.0.0"
+# Provides some deserialization, types like U256/H256 and hashing impls like twox/blake256:
+impl-serde = { version = "0.4.0" }
+primitive-types = { version = "0.12.0", default-features = false, features = ["codec", "scale-info", "serde"] }
+sp-core-hashing = "6.0.0"
 
-frame-metadata = "15.0.0"
-derivative = "2.2.0"
+# For ss58 encoding AccountId32 to serialize them properly:
+base58 = { version = "0.2.0" }
+blake2 = { version = "0.10.4", default-features = false }
+
+# These are only included is "substrate-compat" is enabled.
+sp-core = { version = "11.0.0", default-features = false, optional = true }
+sp-runtime = { version = "12.0.0", optional = true }
 
 [target.wasm32-unknown-unknown.dependencies]
 getrandom = { version = "0.2", features = ["js"] }
@@ -58,3 +74,7 @@ bitvec = "1"
 codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive", "full", "bit-vec"] }
 scale-info = { version = "2.0.0", features = ["bit-vec"] }
 tokio = { version = "1.8", features = ["macros", "time", "rt-multi-thread"] }
+sp-core = { version = "11.0.0", default-features = false }
+sp-runtime = { version = "12.0.0" }
+sp-keyring = "12.0.0"
+sp-version = "10.0.0"

subxt/src/blocks/block_types.rs

@@ -7,20 +7,20 @@ use crate::{
         OfflineClientT,
         OnlineClientT,
     },
+    config::{
+        Config,
+        Hasher,
+        Header,
+    },
     error::{
         BlockError,
         Error,
     },
     events,
-    rpc::ChainBlockResponse,
-    Config,
+    rpc::types::ChainBlockResponse,
 };
 use derivative::Derivative;
 use futures::lock::Mutex as AsyncMutex;
-use sp_runtime::traits::{
-    Hash,
-    Header,
-};
 use std::sync::Arc;
 
 /// A representation of a block.
@@ -56,7 +56,7 @@ where
 
     /// Return the block number.
     pub fn number(&self) -> T::BlockNumber {
-        *self.header().number()
+        self.header().number()
     }
 
     /// Return the entire block header.
@@ -170,7 +170,7 @@ where
     pub async fn events(&self) -> Result<ExtrinsicEvents<T>, Error> {
         let events =
             get_events(&self.client, self.block_hash, &self.cached_events).await?;
-        let ext_hash = T::Hashing::hash_of(&self.bytes);
+        let ext_hash = T::Hasher::hash_of(&self.bytes);
         Ok(ExtrinsicEvents::new(ext_hash, self.index, events))
     }
 }

subxt/src/blocks/blocks_client.rs

@@ -5,12 +5,15 @@
 use super::Block;
 use crate::{
     client::OnlineClientT,
+    config::{
+        Config,
+        Header,
+    },
     error::{
         BlockError,
         Error,
     },
     utils::PhantomDataSendSync,
-    Config,
 };
 use derivative::Derivative;
 use futures::{
@@ -19,7 +22,6 @@ use futures::{
     Stream,
     StreamExt,
 };
-use sp_runtime::traits::Header;
 use std::{
     future::Future,
     pin::Pin,
@@ -137,7 +139,7 @@ where
                 .rpc()
                 .header(Some(last_finalized_block_hash))
                 .await?
-                .map(|h| (*h.number()).into());
+                .map(|h| h.number().into());
 
             let sub = client.rpc().subscribe_finalized_block_headers().await?;
 
@@ -203,7 +205,7 @@ where
         };
 
         // We want all previous details up to, but not including this current block num.
-        let end_block_num = (*header.number()).into();
+        let end_block_num = header.number().into();
 
         // This is one after the last block we returned details for last time.
         let start_block_num = last_block_num.map(|n| n + 1).unwrap_or(end_block_num);

subxt/src/client/offline_client.rs

@@ -6,7 +6,7 @@ use crate::{
     blocks::BlocksClient,
     constants::ConstantsClient,
     events::EventsClient,
-    rpc::RuntimeVersion,
+    rpc::types::RuntimeVersion,
     storage::StorageClient,
     tx::TxClient,
     Config,

subxt/src/client/online_client.rs

@@ -12,10 +12,12 @@ use crate::{
     error::Error,
     events::EventsClient,
     rpc::{
+        types::{
+            RuntimeVersion,
+            Subscription,
+        },
         Rpc,
         RpcClientT,
-        RuntimeVersion,
-        Subscription,
     },
     storage::StorageClient,
     tx::TxClient,