diff --git a/core/src/blocks/extrinsics.rs b/core/src/blocks/extrinsics.rs
index dbc6f7e1a6..537525ac40 100644
--- a/core/src/blocks/extrinsics.rs
+++ b/core/src/blocks/extrinsics.rs
@@ -11,8 +11,7 @@ use crate::{
 use alloc::sync::Arc;
 use alloc::vec::Vec;
 use frame_decode::extrinsics::Extrinsic;
-use scale_decode::DecodeAsType;
-use subxt_metadata::PalletMetadata;
+use scale_decode::{DecodeAsFields, DecodeAsType};
 
 pub use crate::blocks::StaticExtrinsic;
 
@@ -278,7 +277,7 @@ where
 
     /// Decode and provide the extrinsic fields back in the form of a [`scale_value::Composite`]
     /// type which represents the named or unnamed fields that were present in the extrinsic.
-    pub fn field_values(&self) -> Result<scale_value::Composite<u32>, ExtrinsicError> {
+    pub fn decode_as_fields<E: DecodeAsFields>(&self) -> Result<E, ExtrinsicError> {
         let bytes = &mut self.field_bytes();
         let mut fields = self.decoded_info().call_data().map(|d| {
             let name = if d.name().is_empty() {
@@ -288,12 +287,11 @@ where
             };
             scale_decode::Field::new(*d.ty(), name)
         });
-        let decoded =
-            scale_value::scale::decode_as_fields(bytes, &mut fields, self.metadata.types())
-                .map_err(|e| ExtrinsicError::CannotDecodeFields {
-                    extrinsic_index: self.index as usize,
-                    error: e.into()
-                })?;
+        let decoded = E::decode_as_fields(bytes, &mut fields, self.metadata.types())
+            .map_err(|e| ExtrinsicError::CannotDecodeFields {
+                extrinsic_index: self.index as usize,
+                error: e.into()
+            })?;
 
         Ok(decoded)
     }
@@ -353,14 +351,6 @@ pub struct FoundExtrinsic<T: Config, E> {
     pub value: E,
 }
 
-/// Details for the given extrinsic plucked from the metadata.
-pub struct ExtrinsicMetadataDetails<'a> {
-    /// Metadata for the pallet that the extrinsic belongs to.
-    pub pallet: PalletMetadata<'a>,
-    /// Metadata for the variant which describes the pallet extrinsics.
-    pub variant: &'a scale_info::Variant<scale_info::form::PortableForm>,
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;
diff --git a/core/src/blocks/mod.rs b/core/src/blocks/mod.rs
index 2b0589ed21..5550cd2d7d 100644
--- a/core/src/blocks/mod.rs
+++ b/core/src/blocks/mod.rs
@@ -76,7 +76,7 @@ pub use crate::error::ExtrinsicError;
 pub use extrinsic_transaction_extensions::{
     ExtrinsicTransactionExtension, ExtrinsicTransactionExtensions,
 };
-pub use extrinsics::{ExtrinsicDetails, ExtrinsicMetadataDetails, Extrinsics, FoundExtrinsic};
+pub use extrinsics::{ExtrinsicDetails, Extrinsics, FoundExtrinsic};
 pub use static_extrinsic::StaticExtrinsic;
 
 /// Instantiate a new [`Extrinsics`] object, given a vector containing each extrinsic hash (in the
diff --git a/subxt/src/blocks/extrinsic_types.rs b/subxt/src/blocks/extrinsic_types.rs
index bae787dd80..7af5a850f5 100644
--- a/subxt/src/blocks/extrinsic_types.rs
+++ b/subxt/src/blocks/extrinsic_types.rs
@@ -11,13 +11,12 @@ use crate::{
 };
 
 use derive_where::derive_where;
-use scale_decode::DecodeAsType;
+use scale_decode::{DecodeAsFields, DecodeAsType};
 use subxt_core::blocks::{ExtrinsicDetails as CoreExtrinsicDetails, Extrinsics as CoreExtrinsics};
 
 // Re-export anything that's directly returned/used in the APIs below.
 pub use subxt_core::blocks::{
-    ExtrinsicMetadataDetails, ExtrinsicTransactionExtension, ExtrinsicParams,
-    StaticExtrinsic,
+    ExtrinsicTransactionExtension, ExtrinsicTransactionExtensions, StaticExtrinsic,
 };
 
 /// The body of a block.
@@ -198,7 +197,7 @@ where
     }
 
     /// See [`subxt_core::blocks::ExtrinsicDetails::transaction_extensions()`].
-    pub fn transaction_extensions(&self) -> Option<ExtrinsicExtrinsicParams<'_, T>> {
+    pub fn transaction_extensions(&self) -> Option<ExtrinsicTransactionExtensions<'_, T>> {
         self.inner.transaction_extensions()
     }
 
@@ -213,23 +212,18 @@ where
     }
 
     /// See [`subxt_core::blocks::ExtrinsicDetails::pallet_name()`].
-    pub fn pallet_name(&self) -> Result<&str, Error> {
-        self.inner.pallet_name().map_err(Into::into)
+    pub fn pallet_name(&self) -> &str {
+        self.inner.pallet_name()
     }
 
-    /// See [`subxt_core::blocks::ExtrinsicDetails::variant_name()`].
-    pub fn variant_name(&self) -> Result<&str, Error> {
-        self.inner.variant_name().map_err(Into::into)
+    /// See [`subxt_core::blocks::ExtrinsicDetails::call_name()`].
+    pub fn call_name(&self) -> &str {
+        self.inner.call_name()
     }
 
-    /// See [`subxt_core::blocks::ExtrinsicDetails::extrinsic_metadata()`].
-    pub fn extrinsic_metadata(&self) -> Result<ExtrinsicMetadataDetails<'_>, Error> {
-        self.inner.extrinsic_metadata().map_err(Into::into)
-    }
-
-    /// See [`subxt_core::blocks::ExtrinsicDetails::field_values()`].
-    pub fn field_values(&self) -> Result<scale_value::Composite<u32>, Error> {
-        self.inner.field_values().map_err(Into::into)
+    /// See [`subxt_core::blocks::ExtrinsicDetails::decode_as_fields()`].
+    pub fn decode_as_fields<E: DecodeAsFields>(&self) -> Result<E, Error> {
+        self.inner.decode_as_fields().map_err(Into::into)
     }
 
     /// See [`subxt_core::blocks::ExtrinsicDetails::as_extrinsic()`].
diff --git a/subxt/src/blocks/mod.rs b/subxt/src/blocks/mod.rs
index 235332047b..a28b2a5919 100644
--- a/subxt/src/blocks/mod.rs
+++ b/subxt/src/blocks/mod.rs
@@ -15,7 +15,7 @@ pub use block_types::Block;
 pub use blocks_client::BlocksClient;
 pub use extrinsic_types::{
     ExtrinsicDetails, ExtrinsicEvents, ExtrinsicTransactionExtension,
-    ExtrinsicExtrinsicParams, Extrinsics, FoundExtrinsic, StaticExtrinsic,
+    ExtrinsicTransactionExtensions, Extrinsics, FoundExtrinsic, StaticExtrinsic,
 };
 
 // We get account nonce info in tx_client, too, so re-use the logic:
diff --git a/subxt/src/constants/mod.rs b/subxt/src/constants/mod.rs
index dd7b45138f..db6521e537 100644
--- a/subxt/src/constants/mod.rs
+++ b/subxt/src/constants/mod.rs
@@ -8,5 +8,5 @@ mod constants_client;
 
 pub use constants_client::ConstantsClient;
 pub use subxt_core::constants::address::{
-    Address, DefaultAddress, DynamicAddress, StaticAddress, dynamic,
+    Address, DynamicAddress, StaticAddress, dynamic,
 };
diff --git a/subxt/src/custom_values/custom_values_client.rs b/subxt/src/custom_values/custom_values_client.rs
index 5141f150c3..f762a228bf 100644
--- a/subxt/src/custom_values/custom_values_client.rs
+++ b/subxt/src/custom_values/custom_values_client.rs
@@ -2,7 +2,7 @@ use crate::client::OfflineClientT;
 use crate::{Config, Error};
 use derive_where::derive_where;
 
-use subxt_core::custom_values::address::{Address, Yes};
+use subxt_core::custom_values::address::{Address, Maybe};
 
 /// A client for accessing custom values stored in the metadata.
 #[derive_where(Clone; Client)]
@@ -24,7 +24,7 @@ impl<T, Client> CustomValuesClient<T, Client> {
 impl<T: Config, Client: OfflineClientT<T>> CustomValuesClient<T, Client> {
     /// Access a custom value by the address it is registered under. This can be just a [str] to get back a dynamic value,
     /// or a static address from the generated static interface to get a value of a static type returned.
-    pub fn at<Addr: Address<IsDecodable = Yes> + ?Sized>(
+    pub fn at<Addr: Address<IsDecodable = Maybe> + ?Sized>(
         &self,
         address: &Addr,
     ) -> Result<Addr::Target, Error> {
@@ -46,7 +46,7 @@ impl<T: Config, Client: OfflineClientT<T>> CustomValuesClient<T, Client> {
 
 #[cfg(test)]
 mod tests {
-    use crate::custom_values::CustomValuesClient;
+    use crate::custom_values::{self, CustomValuesClient};
     use crate::{Metadata, OfflineClient, SubstrateConfig};
     use codec::Encode;
     use scale_decode::DecodeAsType;
@@ -117,10 +117,12 @@ mod tests {
             },
             mock_metadata(),
         );
+
         let custom_value_client = CustomValuesClient::new(client);
         assert!(custom_value_client.at("No one").is_err());
-        let person_decoded_value_thunk = custom_value_client.at("Person").unwrap();
-        let person: Person = person_decoded_value_thunk.as_type().unwrap();
+
+        let person_addr = custom_values::dynamic::<Person>("Person");
+        let person = custom_value_client.at(&person_addr).unwrap();
         assert_eq!(
             person,
             Person {
diff --git a/subxt/src/custom_values/mod.rs b/subxt/src/custom_values/mod.rs
index 25103e9c31..0ecfac6803 100644
--- a/subxt/src/custom_values/mod.rs
+++ b/subxt/src/custom_values/mod.rs
@@ -7,4 +7,4 @@
 mod custom_values_client;
 
 pub use custom_values_client::CustomValuesClient;
-pub use subxt_core::custom_values::address::{Address, StaticAddress, Yes};
+pub use subxt_core::custom_values::address::{Address, StaticAddress, DynamicAddress, dynamic};
diff --git a/subxt/src/error/dispatch_error.rs b/subxt/src/error/dispatch_error.rs
index 0d307e7f44..6ffcb9ad51 100644
--- a/subxt/src/error/dispatch_error.rs
+++ b/subxt/src/error/dispatch_error.rs
@@ -5,7 +5,7 @@
 //! A representation of the dispatch error; an error returned when
 //! something fails in trying to submit/execute a transaction.
 
-use crate::metadata::{DecodeWithMetadata, Metadata};
+use crate::metadata::Metadata;
 use core::fmt::Debug;
 use scale_decode::{DecodeAsType, TypeResolver, visitor::DecodeAsTypeResult};
 
diff --git a/subxt/src/events/events_type.rs b/subxt/src/events/events_type.rs
index b3bc52c094..f0d05cdcb4 100644
--- a/subxt/src/events/events_type.rs
+++ b/subxt/src/events/events_type.rs
@@ -3,7 +3,7 @@ use crate::{
     config::{Config, HashFor},
 };
 use derive_where::derive_where;
-use scale_decode::DecodeAsType;
+use scale_decode::{DecodeAsFields, DecodeAsType};
 use subxt_core::events::{EventDetails as CoreEventDetails, Events as CoreEvents};
 
 pub use subxt_core::events::{EventMetadataDetails, Phase, StaticEvent};
@@ -138,8 +138,8 @@ impl<T: Config> EventDetails<T> {
 
     /// Decode and provide the event fields back in the form of a [`scale_value::Composite`]
     /// type which represents the named or unnamed fields that were present in the event.
-    pub fn field_values(&self) -> Result<scale_value::Composite<u32>, Error> {
-        self.inner.field_values().map_err(Into::into)
+    pub fn decode_fields_as<E: DecodeAsFields>(&self) -> Result<E, Error> {
+        self.inner.decode_fields_as().map_err(Into::into)
     }
 
     /// Attempt to decode these [`EventDetails`] into a type representing the event fields.
diff --git a/subxt/src/lib.rs b/subxt/src/lib.rs
index e8131e1ab5..868e26f676 100644
--- a/subxt/src/lib.rs
+++ b/subxt/src/lib.rs
@@ -68,15 +68,13 @@ pub mod config {
 
 /// Types representing the metadata obtained from a node.
 pub mod metadata {
-    pub use subxt_core::metadata::{DecodeWithMetadata, Metadata};
-    // Expose metadata types under a sub module in case somebody needs to reference them:
-    pub use subxt_metadata as types;
+    pub use subxt_metadata::*;
 }
 
 /// Submit dynamic transactions.
 pub mod dynamic {
     pub use subxt_core::dynamic::{
-        At, DecodedValue, DecodedValueThunk, Value, constant, runtime_api_call, tx, storage,
+        At, DecodedValue, Value, constant, runtime_api_call, tx, storage,
         view_function_call,
     };
 }
diff --git a/subxt/src/runtime_api/mod.rs b/subxt/src/runtime_api/mod.rs
index 3c58c5b235..57f0b20406 100644
--- a/subxt/src/runtime_api/mod.rs
+++ b/subxt/src/runtime_api/mod.rs
@@ -10,5 +10,5 @@ mod runtime_types;
 pub use runtime_client::RuntimeApiClient;
 pub use runtime_types::RuntimeApi;
 pub use subxt_core::runtime_api::payload::{
-    DefaultPayload, DynamicPayload, Payload, StaticPayload, dynamic,
+    DynamicPayload, Payload, StaticPayload, dynamic,
 };
diff --git a/subxt/src/storage/storage_client_at.rs b/subxt/src/storage/storage_client_at.rs
index c2db892fff..9b37c7a285 100644
--- a/subxt/src/storage/storage_client_at.rs
+++ b/subxt/src/storage/storage_client_at.rs
@@ -7,7 +7,6 @@ use crate::{
     client::{OfflineClientT, OnlineClientT},
     config::{Config, HashFor},
     error::{Error, MetadataError, StorageError},
-    metadata::DecodeWithMetadata,
     storage::storage_value::StorageValue,
 };
 use codec::Decode;
diff --git a/subxt/src/view_functions/mod.rs b/subxt/src/view_functions/mod.rs
index f544bf7818..11940ca4b5 100644
--- a/subxt/src/view_functions/mod.rs
+++ b/subxt/src/view_functions/mod.rs
@@ -8,7 +8,7 @@ mod view_function_types;
 mod view_functions_client;
 
 pub use subxt_core::view_functions::payload::{
-    DefaultPayload, DynamicPayload, Payload, StaticPayload, dynamic,
+    DynamicPayload, Payload, StaticPayload, dynamic,
 };
 pub use view_function_types::ViewFunctionsApi;
 pub use view_functions_client::ViewFunctionsClient;