diff --git a/pallets/cash/src/internal/mod.rs b/pallets/cash/src/internal/mod.rs
index 411eb40fe..60e4bb9d6 100644
--- a/pallets/cash/src/internal/mod.rs
+++ b/pallets/cash/src/internal/mod.rs
@@ -1,6 +1,5 @@
 pub mod assets;
 pub mod balance_helpers;
-pub mod change_validators;
 pub mod events;
 pub mod exec_trx_request;
 pub mod extract;
diff --git a/pallets/cash/src/lib.rs b/pallets/cash/src/lib.rs
index bae26f8a4..56d83d9c4 100644
--- a/pallets/cash/src/lib.rs
+++ b/pallets/cash/src/lib.rs
@@ -48,6 +48,7 @@ use sp_runtime::{
 use pallet_oracle;
 use pallet_session;
 use pallet_timestamp;
+use pallet_validator;
 use types_derive::type_alias;
 
 #[macro_use]
@@ -79,16 +80,13 @@ pub mod benchmarking;
 #[cfg(test)]
 mod tests;
 
-/// Type for linking sessions to validators.
-#[type_alias]
-pub type SubstrateId = AccountId32;
-
 /// Configure the pallet by specifying the parameters and types on which it depends.
 pub trait Config:
     frame_system::Config
     + CreateSignedTransaction<Call<Self>>
     + pallet_timestamp::Config
     + pallet_oracle::Config
+    + pallet_validator::Config
 {
     /// Because this pallet emits events, it depends on the runtime's definition of an event.
     type Event: From<Event> + Into<<Self as frame_system::Config>::Event>;
@@ -107,9 +105,6 @@ pub trait Config:
     /// Placate substrate's `HandleLifetime` trait.
     type AccountStore: StoredMap<SubstrateId, ()>;
 
-    /// Associated type which allows us to interact with substrate Sessions.
-    type SessionInterface: self::SessionInterface<SubstrateId>;
-
     /// Weight information for extrinsics in this pallet.
     type WeightInfo: WeightInfo;
 }
@@ -122,15 +117,6 @@ decl_storage! {
         /// A possible next code hash which is used to accept code provided to SetNextCodeViaHash.
         AllowedNextCodeHash get(fn allowed_next_code_hash): Option<CodeHash>;
 
-        /// The upcoming session at which to tell the sessions pallet to rotate the validators.
-        NextSessionIndex get(fn next_session_index): SessionIndex;
-
-        /// The upcoming set of allowed validators, and their associated keys (or none).
-        NextValidators get(fn next_validators): map hasher(blake2_128_concat) SubstrateId => Option<ValidatorKeys>;
-
-        /// The current set of allowed validators, and their associated keys.
-        Validators get(fn validators): map hasher(blake2_128_concat) SubstrateId => Option<ValidatorKeys>;
-
         /// An index to track interest earned by CASH holders and owed by CASH borrowers.
         /// Note - the implementation of Default for CashIndex returns ONE. This also provides
         /// the initial value as it is currently implemented.
@@ -202,7 +188,7 @@ decl_storage! {
         /// The asset metadata for each supported asset, which will also be synced with the starports.
         SupportedAssets get(fn asset): map hasher(blake2_128_concat) ChainAsset => Option<AssetInfo>;
 
-        /// Miner of the current block.
+        /// Miner of the current block. -- maybe?
         Miner get(fn miner): Option<ChainAccount>;
 
         /// Mapping of total principal paid to each miner.
@@ -238,12 +224,10 @@ decl_storage! {
 
     add_extra_genesis {
         config(assets): Vec<AssetInfo>;
-        config(validators): Vec<ValidatorKeys>;
         config(starports): Vec<ChainAccount>;
         config(genesis_blocks): Vec<ChainBlock>;
         build(|config| {
             Pallet::<T>::initialize_assets(config.assets.clone());
-            Pallet::<T>::initialize_validators(config.validators.clone());
             Pallet::<T>::initialize_starports(config.starports.clone());
             Pallet::<T>::initialize_genesis_blocks(config.genesis_blocks.clone());
         })
@@ -323,9 +307,6 @@ decl_event!(
         /// A supported asset has been modified. [asset_info]
         AssetModified(AssetInfo),
 
-        /// A new validator set has been chosen. [validators]
-        ChangeValidators(Vec<ValidatorKeys>),
-
         /// A new yield rate has been chosen. [next_rate, next_start_at]
         SetYieldNext(APR, Timestamp),
 
@@ -344,154 +325,6 @@ fn check_failure<T: Config>(res: Result<(), Reason>) -> Result<(), Reason> {
     res
 }
 
-pub trait SessionInterface<AccountId>: frame_system::Config {
-    fn has_next_keys(x: AccountId) -> bool;
-    fn rotate_session();
-}
-
-impl<T: Config> SessionInterface<SubstrateId> for T
-where
-    T: pallet_session::Config<ValidatorId = SubstrateId>,
-{
-    fn has_next_keys(x: SubstrateId) -> bool {
-        match <pallet_session::Module<T>>::next_keys(x as T::ValidatorId) {
-            Some(_keys) => true,
-            None => false,
-        }
-    }
-
-    fn rotate_session() {
-        <pallet_session::Module<T>>::rotate_session();
-    }
-}
-
-impl<T: Config> pallet_session::SessionManager<SubstrateId> for Module<T> {
-    // return validator set to use in the next session (aura and grandpa also stage new auths associated w these accountIds)
-    fn new_session(session_index: SessionIndex) -> Option<Vec<SubstrateId>> {
-        if NextValidators::iter().count() != 0 {
-            NextSessionIndex::put(session_index);
-            Some(NextValidators::iter().map(|x| x.0).collect::<Vec<_>>())
-        } else {
-            Some(Validators::iter().map(|x| x.0).collect::<Vec<_>>())
-        }
-    }
-
-    fn start_session(index: SessionIndex) {
-        // if changes have been queued
-        // if starting the queued session
-        if NextSessionIndex::get() == index && NextValidators::iter().count() != 0 {
-            // delete existing validators
-            for validator in <Validators>::iter_values() {
-                <Validators>::take(&validator.substrate_id);
-            }
-            // push next validators into current validators
-            for (id, validator) in <NextValidators>::iter() {
-                <NextValidators>::take(&id);
-                <Validators>::insert(&id, validator);
-            }
-        } else {
-            ()
-        }
-    }
-    fn end_session(_: SessionIndex) {
-        ()
-    }
-}
-
-/*
--- Block N --
-changeAuth extrinsic, nextValidators set, hold is set, rotate_session is called
-* new_session returns the nextValidators
-
--- Afterwards --
-"ShouldEndSession" returns true when notice era notices were signed
-* when it does, start_session sets Validators = NextValidators
-
-*/
-
-fn vec_to_set<T: Ord + Debuggable>(a: Vec<T>) -> BTreeSet<T> {
-    let mut a_set = BTreeSet::<T>::new();
-    for v in a {
-        a_set.insert(v);
-    }
-    return a_set;
-}
-
-fn has_requisite_signatures(notice_state: NoticeState, validators: &Vec<ValidatorKeys>) -> bool {
-    match notice_state {
-        NoticeState::Pending { signature_pairs } => match signature_pairs {
-            ChainSignatureList::Eth(signature_pairs) => {
-                // Note: inefficient, probably best to store as sorted lists / zip compare
-                type EthAddrType = <chains::Ethereum as chains::Chain>::Address;
-                let signature_set =
-                    vec_to_set::<EthAddrType>(signature_pairs.iter().map(|p| p.0).collect());
-                let validator_set =
-                    vec_to_set::<EthAddrType>(validators.iter().map(|v| v.eth_address).collect());
-                chains::has_super_majority::<EthAddrType>(&signature_set, &validator_set)
-            }
-            _ => false,
-        },
-        _ => false,
-    }
-}
-
-// periodic except when new authorities are pending and when an era notice has just been completed
-impl<T: Config> pallet_session::ShouldEndSession<T::BlockNumber> for Module<T> {
-    fn should_end_session(now: T::BlockNumber) -> bool {
-        if NextValidators::iter().count() > 0 {
-            // Check if we should end the hold
-            let validators: Vec<_> = Validators::iter().map(|v| v.1).collect();
-            let every_notice_hold_executed = NoticeHolds::iter().all(|(chain_id, notice_id)| {
-                has_requisite_signatures(NoticeStates::get(chain_id, notice_id), &validators)
-            });
-
-            if every_notice_hold_executed {
-                for (chain_id, _) in NoticeHolds::iter() {
-                    NoticeHolds::take(chain_id);
-                }
-                log!("should_end_session=true[next_validators]");
-                true
-            } else {
-                log!("should_end_session=false[pending_notice_held]");
-                false
-            }
-        } else {
-            // no era changes pending, periodic
-            let period: T::BlockNumber = <T>::BlockNumber::from(params::SESSION_PERIOD as u32);
-            let is_new_period = (now % period) == <T>::BlockNumber::from(0 as u32);
-
-            if is_new_period {
-                log!(
-                    "should_end_session={}[periodic {:?}%{:?}]",
-                    is_new_period,
-                    now,
-                    period
-                );
-            }
-            is_new_period
-        }
-    }
-}
-
-impl<T: Config> frame_support::traits::EstimateNextSessionRotation<T::BlockNumber> for Module<T> {
-    fn average_session_length() -> T::BlockNumber {
-        T::BlockNumber::zero()
-    }
-
-    fn estimate_current_session_progress(now: T::BlockNumber) -> (Option<Percent>, Weight) {
-        let period: T::BlockNumber = <T>::BlockNumber::from(params::SESSION_PERIOD as u32);
-        (
-            Some(Percent::from_rational(now % period, period)),
-            Weight::zero(),
-        )
-    }
-
-    fn estimate_next_session_rotation(now: T::BlockNumber) -> (Option<T::BlockNumber>, Weight) {
-        let period: T::BlockNumber = <T>::BlockNumber::from(params::SESSION_PERIOD as u32);
-        (Some(now + period - now % period), Weight::zero())
-    }
-}
-
 fn get_exec_req_weights<T: Config>(request: Vec<u8>) -> frame_support::weights::Weight {
     let request_str = match str::from_utf8(&request[..]).map_err(|_| Reason::InvalidUTF8) {
         Err(_) => return params::ERROR_WEIGHT,
@@ -616,6 +449,7 @@ decl_module! {
             }
         }
 
+        // TODO: Move to pallet-validator?
         /// Sets the miner of the this block via inherent
         #[weight = (0, DispatchClass::Operational)]
         fn set_miner(origin, miner: ChainAccount) {
@@ -623,13 +457,6 @@ decl_module! {
             internal::miner::set_miner::<T>(miner);
         }
 
-        /// Sets the keys for the next set of validators beginning at the next session. [Root]
-        #[weight = (<T as Config>::WeightInfo::change_validators(), DispatchClass::Operational, Pays::No)]
-        pub fn change_validators(origin, validators: Vec<ValidatorKeys>) -> dispatch::DispatchResult {
-            ensure_root(origin)?;
-            Ok(check_failure::<T>(internal::change_validators::change_validators::<T>(validators))?)
-        }
-
         /// Sets the allowed next code hash to the given hash. [Root]
         #[weight = (<T as Config>::WeightInfo::allow_next_code_with_hash(), DispatchClass::Operational, Pays::No)]
         pub fn allow_next_code_with_hash(origin, hash: CodeHash) -> dispatch::DispatchResult {
@@ -742,20 +569,6 @@ impl<T: Config> Module<T> {
         }
     }
 
-    /// Set the initial set of validators from the genesis config.
-    /// NextValidators will become current Validators upon first session start.
-    fn initialize_validators(validators: Vec<ValidatorKeys>) {
-        if validators.is_empty() {
-            warn!("Validators must be set in the genesis config");
-        }
-        for validator in validators {
-            // Note: See pipeline commit for usage of T::AccountStore
-            log!("Adding validator: {:?}", validator);
-            <Validators>::insert(&validator.substrate_id, validator.clone());
-            assert!(T::AccountStore::insert(&validator.substrate_id, ()).is_ok());
-        }
-    }
-
     /// Set the initial starports from the genesis config.
     fn initialize_starports(starports: Vec<ChainStarport>) {
         if starports.is_empty() {
@@ -865,6 +678,7 @@ impl<T: Config> Module<T> {
         Ok(core::get_portfolio::<T>(account)?)
     }
 
+    // This can't be in pallet-validator since it pulls in earnings
     /// Get the active validators, and  sets
     pub fn get_validator_info() -> Result<(Vec<ValidatorKeys>, Vec<(ChainAccount, String)>), Reason>
     {
diff --git a/pallets/cash/src/serdes.rs b/pallets/cash/src/serdes.rs
index ed7e4d9c1..d22047648 100644
--- a/pallets/cash/src/serdes.rs
+++ b/pallets/cash/src/serdes.rs
@@ -4,7 +4,6 @@ use serde::{de, ser::SerializeMap, Deserialize, Deserializer, Serialize, Seriali
 use crate::{
     chains::{Chain, ChainAccount, ChainAsset, Ethereum},
     symbol::Symbol,
-    types::ValidatorKeys,
 };
 
 // For using in GenesisConfig / ChainSpec JSON.
@@ -122,114 +121,3 @@ impl Serialize for Symbol {
         ser.serialize_str(&s)
     }
 }
-
-// ValidatorKeys & Vec<ValidatorKeys>
-
-impl<'de> de::Deserialize<'de> for ValidatorKeys {
-    fn deserialize<D>(de: D) -> Result<Self, D::Error>
-    where
-        D: Deserializer<'de>,
-    {
-        enum Field {
-            SubstrateId,
-            EthAddress,
-        }
-        impl<'de> Deserialize<'de> for Field {
-            fn deserialize<D>(deserializer: D) -> Result<Field, D::Error>
-            where
-                D: Deserializer<'de>,
-            {
-                struct FieldVisitor;
-                impl<'de> de::Visitor<'de> for FieldVisitor {
-                    type Value = Field;
-
-                    fn expecting(
-                        &self,
-                        formatter: &mut our_std::fmt::Formatter,
-                    ) -> our_std::fmt::Result {
-                        formatter.write_str("`substrate_id` or `eth_address`")
-                    }
-
-                    fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
-                    where
-                        E: de::Error,
-                    {
-                        match value {
-                            "substrate_id" => Ok(Field::SubstrateId),
-                            "eth_address" => Ok(Field::EthAddress),
-                            _ => Err(de::Error::unknown_field(value, FIELDS)),
-                        }
-                    }
-                }
-
-                deserializer.deserialize_identifier(FieldVisitor)
-            }
-        }
-
-        struct ValidatorKeysVisitor;
-        impl<'de> de::Visitor<'de> for ValidatorKeysVisitor {
-            type Value = ValidatorKeys;
-
-            fn expecting(&self, formatter: &mut our_std::fmt::Formatter) -> our_std::fmt::Result {
-                formatter.write_str("struct ValidatorKeys")
-            }
-
-            fn visit_map<V>(self, mut map: V) -> Result<Self::Value, V::Error>
-            where
-                V: de::MapAccess<'de>,
-            {
-                let mut substrate_id = None;
-                let mut eth_address = None;
-                while let Some(key) = map.next_key()? {
-                    match key {
-                        Field::SubstrateId => {
-                            if substrate_id.is_some() {
-                                return Err(de::Error::duplicate_field("substrate_id"));
-                            }
-                            let s_id: [u8; 32] = map.next_value()?;
-                            substrate_id = Some(
-                                s_id.try_into()
-                                    .map_err(|_| de::Error::custom("bad substrate id"))?,
-                            );
-                        }
-                        Field::EthAddress => {
-                            if eth_address.is_some() {
-                                return Err(de::Error::duplicate_field("eth_address"));
-                            }
-                            let addr: String = map.next_value()?;
-                            eth_address = Some(
-                                <Ethereum as Chain>::str_to_address(&addr)
-                                    .map_err(|_| de::Error::custom("bad eth address"))?,
-                            );
-                        }
-                    }
-                }
-                let substrate_id =
-                    substrate_id.ok_or_else(|| de::Error::missing_field("substrate_id"))?;
-                let eth_address =
-                    eth_address.ok_or_else(|| de::Error::missing_field("eth_address"))?;
-                Ok(ValidatorKeys {
-                    substrate_id,
-                    eth_address,
-                })
-            }
-        }
-
-        const FIELDS: &'static [&'static str] = &["substrate_id", "eth_address"];
-        de.deserialize_struct("ValidatorKeys", FIELDS, ValidatorKeysVisitor)
-    }
-}
-
-impl Serialize for ValidatorKeys {
-    fn serialize<S>(&self, ser: S) -> Result<S::Ok, S::Error>
-    where
-        S: Serializer,
-    {
-        let mut map = ser.serialize_map(Some(2))?;
-        map.serialize_key("substrate_id")?;
-        map.serialize_value(&<[u8; 32]>::from(self.substrate_id.clone()))?;
-        map.serialize_key("eth_address")?;
-        map.serialize_value(&<Ethereum as Chain>::address_string(&self.eth_address))?;
-        map.end()
-    }
-}
diff --git a/pallets/cash/src/types.rs b/pallets/cash/src/types.rs
index e857ef70f..f9421c9f4 100644
--- a/pallets/cash/src/types.rs
+++ b/pallets/cash/src/types.rs
@@ -95,25 +95,6 @@ pub enum GovernanceResult {
     DispatchFailure(DispatchError),
 }
 
-/// Type for enumerating sessions.
-#[type_alias]
-pub type SessionIndex = u32;
-
-/// Type for an address used to identify a validator.
-#[type_alias]
-pub type ValidatorIdentity = SubstrateId;
-
-/// Type for signers set used to identify validators that signed this event.
-#[type_alias]
-pub type SignersSet = BTreeSet<ValidatorIdentity>;
-
-/// Type for representing the keys to sign notices.
-#[derive(Clone, Eq, PartialEq, Encode, Decode, RuntimeDebug, Types)]
-pub struct ValidatorKeys {
-    pub substrate_id: SubstrateId,
-    pub eth_address: <Ethereum as Chain>::Address,
-}
-
 /// Type for referring to either an asset or CASH.
 #[derive(Copy, Clone, Eq, PartialEq, Encode, Decode, RuntimeDebug, Types)]
 pub enum CashOrChainAsset {
diff --git a/pallets/validator/Cargo.toml b/pallets/validator/Cargo.toml
new file mode 100644
index 000000000..b6a20792b
--- /dev/null
+++ b/pallets/validator/Cargo.toml
@@ -0,0 +1,66 @@
+[package]
+authors = ['Compound <https://compound.finance>']
+description = 'Pallet for implementing Open Price Feed.'
+edition = '2018'
+homepage = 'https://compound.cash'
+name = 'pallet-validator'
+repository = 'https://github.com/compound-finance/gateway/'
+version = '1.0.0'
+readme = 'README.md'
+
+[package.metadata.docs.rs]
+targets = ['x86_64-unknown-linux-gnu']
+
+[dependencies]
+codec = { package = 'parity-scale-codec', version = '2.0.0', default-features = false, features = ['derive'] }
+serde = { version = '1.0.125', features = ['derive'], default-features = false }
+serde_json = { version = '1.0.64', features=['alloc'], default-features = false}
+async-trait = { version = "0.1.48", optional = true }
+
+num-bigint = { default-features = false, version = '0.3' }
+num-traits = { default-features = false, version = '0.2' }
+lazy_static = '1.4.0'
+parking_lot = '0.11.1'
+
+ethabi = { version = '12.0.0', default-features = false }
+ethereum-types = { version = '0.11.0', default-features = false }
+hex = { version = '0.4.2', default-features = false }
+hex-literal = {version = '0.3.1', default-features = false}
+libsecp256k1 = { version = '0.3.2', default-features = false, features = ['hmac'] }
+tiny-keccak = { version = '2.0.0', features = ['keccak'], default-features = false }
+
+sp-core = { default-features = false, git = 'https://github.com/compound-finance/substrate', branch = 'jflatow/compound' }
+sp-io = { default-features = false, features = ['disable_oom', 'disable_panic_handler'], git = 'https://github.com/compound-finance/substrate', branch = 'jflatow/compound' }
+sp-inherents = { default-features = false, git = 'https://github.com/compound-finance/substrate.git', branch = 'jflatow/compound' }
+sp-runtime = { default-features = false, git = 'https://github.com/compound-finance/substrate', branch = 'jflatow/compound' }
+frame-support = { default-features = false, git = 'https://github.com/compound-finance/substrate', branch = 'jflatow/compound' }
+frame-system = { default-features = false, git = 'https://github.com/compound-finance/substrate', branch = 'jflatow/compound' }
+pallet-session = { default-features = false, git = 'https://github.com/compound-finance/substrate', branch = 'jflatow/compound' }
+pallet-timestamp = { default-features = false, git = 'https://github.com/compound-finance/substrate.git', branch = 'jflatow/compound' }
+
+runtime-interfaces = { path = '../runtime-interfaces', default-features = false }
+ethereum-client = { path = '../../ethereum-client', default-features = false }
+gateway-crypto = { path = '../../gateway-crypto', default-features = false }
+trx-request = { path = '../../trx-request', default-features = false }
+timestamp = { path = '../../timestamp', default-features = false }
+our-std = { path = '../../our-std', default-features = false }
+
+types-derive = { path = '../../types-derive' }
+
+[features]
+default = ['std']
+std = [
+    'codec/std',
+    'serde/std',
+    'frame-support/std',
+    'frame-system/std',
+    'sp-io/std',
+    'sp-core/std',
+    'sp-runtime/std',
+    'runtime-interfaces/std',
+    'gateway-crypto/std',
+    'our-std/std',
+    'pallet-session/std',
+    'async-trait',
+]
+runtime-debug = ['our-std/runtime-debug']
diff --git a/pallets/validator/README.md b/pallets/validator/README.md
new file mode 100644
index 000000000..2c10b3ceb
--- /dev/null
+++ b/pallets/validator/README.md
@@ -0,0 +1,3 @@
+# Pallet for Validators
+
+The Validators who run the chain.
\ No newline at end of file
diff --git a/pallets/validator/fuzz/.gitignore b/pallets/validator/fuzz/.gitignore
new file mode 100644
index 000000000..572e03bdf
--- /dev/null
+++ b/pallets/validator/fuzz/.gitignore
@@ -0,0 +1,4 @@
+
+target
+corpus
+artifacts
diff --git a/pallets/validator/fuzz/Cargo.lock b/pallets/validator/fuzz/Cargo.lock
new file mode 100644
index 000000000..a3539bd33
--- /dev/null
+++ b/pallets/validator/fuzz/Cargo.lock
@@ -0,0 +1,3756 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "Inflector"
+version = "0.11.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe438c63458706e03479442743baae6c88256498e6431708f6dfc520a26515d3"
+dependencies = [
+ "lazy_static",
+ "regex",
+]
+
+[[package]]
+name = "addr2line"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a55f82cfe485775d02112886f4169bde0c5894d75e79ead7eafe7e40a25e45f7"
+dependencies = [
+ "gimli",
+]
+
+[[package]]
+name = "adler"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
+
+[[package]]
+name = "ahash"
+version = "0.4.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "739f4a8db6605981345c5654f3a85b056ce52f37a39d34da03f25bf2151ea16e"
+
+[[package]]
+name = "aho-corasick"
+version = "0.7.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7404febffaa47dac81aa44dba71523c9d069b1bdc50a77db41195149e17f68e5"
+dependencies = [
+ "memchr",
+]
+
+[[package]]
+name = "ansi_term"
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diff --git a/pallets/validator/fuzz/Cargo.toml b/pallets/validator/fuzz/Cargo.toml
new file mode 100644
index 000000000..d05a1b84a
--- /dev/null
+++ b/pallets/validator/fuzz/Cargo.toml
@@ -0,0 +1,24 @@
+
+[package]
+name = "pallet-oracle-fuzz"
+version = "0.0.0"
+authors = ["Automatically generated"]
+publish = false
+edition = "2018"
+
+[package.metadata]
+cargo-fuzz = true
+
+[dependencies]
+libfuzzer-sys = "0.4"
+pallet-oracle = { path = ".." }
+
+# Prevent this from interfering with workspaces
+[workspace]
+members = ["."]
+
+[[bin]]
+name = "parse_message_fuzz"
+path = "fuzz_targets/parse_message_fuzz.rs"
+test = false
+doc = false
diff --git a/pallets/validator/fuzz/fuzz_targets/parse_message_fuzz.rs b/pallets/validator/fuzz/fuzz_targets/parse_message_fuzz.rs
new file mode 100644
index 000000000..aaf0d3dfb
--- /dev/null
+++ b/pallets/validator/fuzz/fuzz_targets/parse_message_fuzz.rs
@@ -0,0 +1,7 @@
+#![no_main]
+use libfuzzer_sys::fuzz_target;
+use pallet_oracle::oracle::{parse_message};
+
+fuzz_target!(|data: &[u8]| {
+    parse_message(data);
+});
diff --git a/pallets/validator/src/benchmarking.rs b/pallets/validator/src/benchmarking.rs
new file mode 100644
index 000000000..f674f96a2
--- /dev/null
+++ b/pallets/validator/src/benchmarking.rs
@@ -0,0 +1,99 @@
+#![cfg(feature = "runtime-benchmarks")]
+
+use super::*;
+use crate::{
+    chains::{Chain, ChainAsset, ChainSignatureList, Ethereum},
+    notices::{ExtractionNotice, Notice},
+    rates::APR,
+    types::*,
+    types::{AssetInfo, Factor, ValidatorKeys},
+    Pallet as Cash,
+};
+use codec::EncodeLike;
+use frame_benchmarking::{benchmarks, impl_benchmark_test_suite};
+pub use frame_support::{
+    assert_err, assert_ok,
+    traits::{OnInitialize, OriginTrait},
+    StorageValue,
+};
+use frame_system::RawOrigin;
+use hex_literal::hex;
+use num_traits::Zero;
+use sp_core::crypto::AccountId32;
+use sp_std::prelude::*;
+
+pub use our_std::{convert::TryInto, str::FromStr};
+use pallet_oracle::Prices;
+
+const TKN_ADDR: &str = "0x0101010101010101010101010101010101010101";
+const TKN_ADDR_BYTES: [u8; 20] = [1; 20];
+
+const ETH_ADDR: &str = "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE";
+const ETH_BYTES: [u8; 20] = hex!("EeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE");
+const ETH_UNIT: Units = Units::from_ticker_str("ETH", 18);
+
+const ALICE_ADDRESS: &str = "0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48";
+const BOB_ADDRESS: &str = "0x59a055a3e566F5d9A9Ea1dA81aB375D5361D7c5e";
+const BOB_ADDRESS_BYTES: [u8; 20] = hex!("59a055a3e566F5d9A9Ea1dA81aB375D5361D7c5e");
+
+benchmarks! {
+    where_clause {
+    where
+        T: pallet_session::Config,
+    T: pallet_timestamp::Config,
+    u64: EncodeLike<<T as pallet_timestamp::Config>::Moment>,
+    <<T as frame_system::Config>::Origin as OriginTrait>::AccountId: From<SubstrateId>
+}
+
+    // todo: parameterize over # vals?
+    change_validators {
+        let substrate_id: SubstrateId = [2; 32].into();
+        let eth_address = [1; 20];
+        let val_keys = ValidatorKeys {
+            substrate_id: substrate_id.clone(),
+            eth_address: eth_address.clone(),
+        };
+        let val_keyses = vec![val_keys];
+        let val_account = ChainAccount::Gate(substrate_id.clone().into());
+
+        // Min balance needed for account existence, to set session keys
+        let min_amount = params::MIN_PRINCIPAL_GATE.amount_withdrawable().unwrap();
+        ChainCashPrincipals::insert(ChainId::Gate, min_amount);
+        assert_ok!(internal::lock::lock_cash_principal_internal::<T>(
+            val_account,
+            val_account,
+            min_amount
+        ));
+
+        // Set session key
+        assert_eq!(
+            pallet_session::Module::<T>::set_keys(
+                T::Origin::signed(substrate_id.into()),
+                <T>::Keys::default(),
+                vec![]
+            ),
+            Ok(())
+        );
+    }: {
+        assert_eq!(Cash::<T>::change_validators(RawOrigin::Root.into(), val_keyses), Ok(()));
+    }
+}
+
+impl_benchmark_test_suite!(Cash, crate::tests::new_test_ext(), crate::tests::Test,);
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::tests::{
+        initialize_storage,
+        mock::{new_test_ext, Test},
+    };
+
+    #[test]
+    fn test_benchmarks() {
+        new_test_ext().execute_with(|| {
+            initialize_storage();
+            assert_ok!(test_benchmark_change_validators::<Test>());
+        });
+    }
+}
diff --git a/pallets/validator/src/error.rs b/pallets/validator/src/error.rs
new file mode 100644
index 000000000..ee9f25d07
--- /dev/null
+++ b/pallets/validator/src/error.rs
@@ -0,0 +1,20 @@
+use codec::{Decode, Encode};
+use frame_support;
+use our_std::Debuggable;
+
+use types_derive::Types;
+
+/// Errors coming from the price oracle.
+#[derive(Copy, Clone, Eq, PartialEq, Encode, Decode, Debuggable, Types)]
+pub enum ValidatorError {}
+
+impl From<ValidatorError> for frame_support::dispatch::DispatchError {
+    fn from(err: ValidatorError) -> frame_support::dispatch::DispatchError {
+        let (index, error, message) = match err {};
+        frame_support::dispatch::DispatchError::Module {
+            index,
+            error,
+            message: Some(message),
+        }
+    }
+}
diff --git a/pallets/validator/src/lib.rs b/pallets/validator/src/lib.rs
new file mode 100644
index 000000000..ff4cc18e4
--- /dev/null
+++ b/pallets/validator/src/lib.rs
@@ -0,0 +1,298 @@
+#[macro_use]
+extern crate alloc;
+
+use crate::{error::ValidatorError, types::*};
+use frame_support::{
+    decl_event, decl_module, decl_storage, dispatch,
+    traits::{StoredMap, UnfilteredDispatchable},
+    weights::{DispatchClass, GetDispatchInfo, Pays, Weight},
+    Parameter,
+};
+use frame_system;
+use frame_system::{ensure_none, ensure_root, offchain::CreateSignedTransaction};
+use our_std::{
+    collections::btree_map::BTreeMap, collections::btree_set::BTreeSet, convert::TryInto, debug,
+    error, log, str, vec::Vec, warn, Debuggable,
+};
+use sp_runtime::{
+    transaction_validity::{InvalidTransaction, TransactionSource, TransactionValidity},
+    Percent,
+};
+
+pub mod error;
+pub mod serdes;
+pub mod types;
+pub mod validate_trx;
+pub mod validator;
+pub mod weights;
+
+#[cfg(test)]
+mod tests;
+
+/// Configure the pallet by specifying the parameters and types on which it depends.
+pub trait Config:
+    frame_system::Config + CreateSignedTransaction<Call<Self> + pallet_session::Config>
+{
+    /// Because this pallet emits events, it depends on the runtime's definition of an event.
+    type Event: From<Event> + Into<<Self as frame_system::Config>::Event>;
+
+    /// The overarching dispatch call type.
+    type Call: From<Call<Self>>
+        + Parameter
+        + UnfilteredDispatchable<Origin = Self::Origin>
+        + GetDispatchInfo;
+
+    /// Associated type which allows us to interact with substrate Sessions.
+    type SessionInterface: self::SessionInterface<SubstrateId>;
+}
+
+decl_storage! {
+    trait Store for Pallet<T: Config> as Cash {
+        /// The upcoming session at which to tell the sessions pallet to rotate the validators.
+        NextSessionIndex get(fn next_session_index): SessionIndex;
+
+        /// The upcoming set of allowed validators, and their associated keys (or none).
+        NextValidators get(fn next_validators): map hasher(blake2_128_concat) SubstrateId => Option<ValidatorKeys>;
+
+        /// The current set of allowed validators, and their associated keys.
+        Validators get(fn validators): map hasher(blake2_128_concat) SubstrateId => Option<ValidatorKeys>;
+    }
+    add_extra_genesis {
+        config(validators): Vec<ValidatorKeys>;
+        build(|config| {
+            Pallet::<T>::initialize_validators(config.validators.clone());
+        })
+    }
+}
+
+/* ::EVENTS:: */
+
+decl_event!(
+    pub enum Event {
+        /// A new validator set has been chosen. [validators]
+        ChangeValidators(Vec<ValidatorKeys>),
+
+        /// Failed to process a given extrinsic. [reason]
+        Failure(ValidatorError),
+    }
+);
+
+/* ::ERRORS:: */
+
+fn check_failure<T: Config>(res: Result<(), ValidatorError>) -> Result<(), ValidatorError> {
+    if let Err(err) = res {
+        <Pallet<T>>::deposit_event(Event::Failure(err));
+        log!("Validator Failure {:#?}", err);
+    }
+    res
+}
+
+/* ::MODULE:: */
+/* ::EXTRINSICS:: */
+
+// Dispatchable functions allows users to interact with the pallet and invoke state changes.
+// These functions materialize as "extrinsics", which are often compared to transactions.
+// Dispatchable functions must be annotated with a weight and must return a DispatchResult.
+decl_module! {
+    pub struct Pallet<T: Config> for enum Call where origin: T::Origin {
+        // Events must be initialized if they are used by the pallet.
+        fn deposit_event() = default;
+
+        /// Sets the keys for the next set of validators beginning at the next session. [Root]
+        #[weight = (<T as Config>::WeightInfo::change_validators(), DispatchClass::Operational, Pays::No)]
+        pub fn change_validators(origin, validators: Vec<ValidatorKeys>) -> dispatch::DispatchResult {
+            ensure_root(origin)?;
+            Ok(check_failure::<T>(validator::change_validators::<T>(validators))?)
+        }
+    }
+}
+
+/// Reading error messages inside `decl_module!` can be difficult, so we move them here.
+impl<T: Config> Pallet<T> {
+    /// Set the initial set of validators from the genesis config.
+    /// NextValidators will become current Validators upon first session start.
+    fn initialize_validators(validators: Vec<ValidatorKeys>) {
+        if validators.is_empty() {
+            warn!("Validators must be set in the genesis config");
+        }
+        for validator in validators {
+            // Note: See pipeline commit for usage of T::AccountStore
+            log!("Adding validator: {:?}", validator);
+            <Validators>::insert(&validator.substrate_id, validator.clone());
+            assert!(T::AccountStore::insert(&validator.substrate_id, ()).is_ok());
+        }
+    }
+
+    // ** API / View Functions ** //
+}
+
+impl<T: Config> frame_support::unsigned::ValidateUnsigned for Pallet<T> {
+    type Call = Call<T>;
+
+    /// Validate unsigned call to this module.
+    ///
+    /// By default unsigned transactions are disallowed, but implementing the validator
+    /// here we make sure that some particular calls (the ones produced by offchain worker)
+    /// are being whitelisted and marked as valid.
+    fn validate_unsigned(source: TransactionSource, call: &Self::Call) -> TransactionValidity {
+        // TODO: Why like this?
+        validate_trx::check_validation_failure(
+            call,
+            validate_trx::validate_unsigned::<T>(source, call),
+        )
+        .unwrap_or(InvalidTransaction::Call.into())
+    }
+}
+
+pub trait SessionInterface<AccountId>: frame_system::Config {
+    fn has_next_keys(x: AccountId) -> bool;
+    fn rotate_session();
+}
+
+impl<T: Config> SessionInterface<SubstrateId> for T
+where
+    T: pallet_session::Config<ValidatorId = SubstrateId>,
+{
+    fn has_next_keys(x: SubstrateId) -> bool {
+        match <pallet_session::Pallet<T>>::next_keys(x as T::ValidatorId) {
+            Some(_keys) => true,
+            None => false,
+        }
+    }
+
+    fn rotate_session() {
+        <pallet_session::Pallet<T>>::rotate_session();
+    }
+}
+
+impl<T: Config> pallet_session::SessionManager<SubstrateId> for Pallet<T> {
+    // return validator set to use in the next session (aura and grandpa also stage new auths associated w these accountIds)
+    fn new_session(session_index: SessionIndex) -> Option<Vec<SubstrateId>> {
+        if NextValidators::iter().count() != 0 {
+            NextSessionIndex::put(session_index);
+            Some(NextValidators::iter().map(|x| x.0).collect::<Vec<_>>())
+        } else {
+            Some(Validators::iter().map(|x| x.0).collect::<Vec<_>>())
+        }
+    }
+
+    fn start_session(index: SessionIndex) {
+        // if changes have been queued
+        // if starting the queued session
+        if NextSessionIndex::get() == index && NextValidators::iter().count() != 0 {
+            // delete existing validators
+            for validator in <Validators>::iter_values() {
+                <Validators>::take(&validator.substrate_id);
+            }
+            // push next validators into current validators
+            for (id, validator) in <NextValidators>::iter() {
+                <NextValidators>::take(&id);
+                <Validators>::insert(&id, validator);
+            }
+        } else {
+            ()
+        }
+    }
+    fn end_session(_: SessionIndex) {
+        ()
+    }
+}
+
+/*
+-- Block N --
+changeAuth extrinsic, nextValidators set, hold is set, rotate_session is called
+* new_session returns the nextValidators
+
+-- Afterwards --
+"ShouldEndSession" returns true when notice era notices were signed
+* when it does, start_session sets Validators = NextValidators
+
+*/
+
+fn vec_to_set<T: Ord + Debuggable>(a: Vec<T>) -> BTreeSet<T> {
+    let mut a_set = BTreeSet::<T>::new();
+    for v in a {
+        a_set.insert(v);
+    }
+    return a_set;
+}
+
+// fn has_requisite_signatures(notice_state: NoticeState, validators: &Vec<ValidatorKeys>) -> bool {
+//     match notice_state {
+//         NoticeState::Pending { signature_pairs } => match signature_pairs {
+//             // TODO: This is currently dependent on Notices and ChainSignatureList?
+//             ChainSignatureList::Eth(signature_pairs) => {
+//                 // Note: inefficient, probably best to store as sorted lists / zip compare
+//                 type EthAddrType = <chains::Ethereum as chains::Chain>::Address;
+//                 let signature_set =
+//                     vec_to_set::<EthAddrType>(signature_pairs.iter().map(|p| p.0).collect());
+//                 let validator_set =
+//                     vec_to_set::<EthAddrType>(validators.iter().map(|v| v.eth_address).collect());
+//                 chains::has_super_majority::<EthAddrType>(&signature_set, &validator_set)
+//             }
+//             _ => false,
+//         },
+//         _ => false,
+//     }
+// }
+
+// periodic except when new authorities are pending and when an era notice has just been completed
+impl<T: Config> pallet_session::ShouldEndSession<T::BlockNumber> for Pallet<T> {
+    fn should_end_session(now: T::BlockNumber) -> bool {
+        if NextValidators::iter().count() > 0 {
+            // Check if we should end the hold
+            let validators: Vec<_> = Validators::iter().map(|v| v.1).collect();
+
+            // TODO: Add back notice hold checks
+            // // TODO: How to deal with notice holds, etc?
+            // let every_notice_hold_executed = NoticeHolds::iter().all(|(chain_id, notice_id)| {
+            //     has_requisite_signatures(NoticeStates::get(chain_id, notice_id), &validators)
+            // });
+
+            // if every_notice_hold_executed {
+            //     for (chain_id, _) in NoticeHolds::iter() {
+            //         NoticeHolds::take(chain_id);
+            //     }
+            //     log!("should_end_session=true[next_validators]");
+            //     true
+            // } else {
+            //     log!("should_end_session=false[pending_notice_held]");
+            //     false
+            // }
+            true
+        } else {
+            // no era changes pending, periodic
+            let period: T::BlockNumber = <T>::BlockNumber::from(params::SESSION_PERIOD as u32);
+            let is_new_period = (now % period) == <T>::BlockNumber::from(0 as u32);
+
+            if is_new_period {
+                log!(
+                    "should_end_session={}[periodic {:?}%{:?}]",
+                    is_new_period,
+                    now,
+                    period
+                );
+            }
+            is_new_period
+        }
+    }
+}
+
+impl<T: Config> frame_support::traits::EstimateNextSessionRotation<T::BlockNumber> for Pallet<T> {
+    fn average_session_length() -> T::BlockNumber {
+        T::BlockNumber::zero()
+    }
+
+    fn estimate_current_session_progress(now: T::BlockNumber) -> (Option<Percent>, Weight) {
+        let period: T::BlockNumber = <T>::BlockNumber::from(params::SESSION_PERIOD as u32);
+        (
+            Some(Percent::from_rational(now % period, period)),
+            Weight::zero(),
+        )
+    }
+
+    fn estimate_next_session_rotation(now: T::BlockNumber) -> (Option<T::BlockNumber>, Weight) {
+        let period: T::BlockNumber = <T>::BlockNumber::from(params::SESSION_PERIOD as u32);
+        (Some(now + period - now % period), Weight::zero())
+    }
+}
diff --git a/pallets/validator/src/serdes.rs b/pallets/validator/src/serdes.rs
new file mode 100644
index 000000000..5453ac625
--- /dev/null
+++ b/pallets/validator/src/serdes.rs
@@ -0,0 +1,114 @@
+use crate::types::ValidatorKeys;
+use our_std::str::FromStr;
+use serde::{de, ser::SerializeSeq, Deserializer, Serialize, Serializer};
+
+// ValidatorKeys & Vec<ValidatorKeys>
+
+impl<'de> de::Deserialize<'de> for ValidatorKeys {
+    fn deserialize<D>(de: D) -> Result<Self, D::Error>
+    where
+        D: Deserializer<'de>,
+    {
+        enum Field {
+            SubstrateId,
+            EthAddress,
+        }
+        impl<'de> Deserialize<'de> for Field {
+            fn deserialize<D>(deserializer: D) -> Result<Field, D::Error>
+            where
+                D: Deserializer<'de>,
+            {
+                struct FieldVisitor;
+                impl<'de> de::Visitor<'de> for FieldVisitor {
+                    type Value = Field;
+
+                    fn expecting(
+                        &self,
+                        formatter: &mut our_std::fmt::Formatter,
+                    ) -> our_std::fmt::Result {
+                        formatter.write_str("`substrate_id` or `eth_address`")
+                    }
+
+                    fn visit_str<E>(self, value: &str) -> Result<Self::Value, E>
+                    where
+                        E: de::Error,
+                    {
+                        match value {
+                            "substrate_id" => Ok(Field::SubstrateId),
+                            "eth_address" => Ok(Field::EthAddress),
+                            _ => Err(de::Error::unknown_field(value, FIELDS)),
+                        }
+                    }
+                }
+
+                deserializer.deserialize_identifier(FieldVisitor)
+            }
+        }
+
+        struct ValidatorKeysVisitor;
+        impl<'de> de::Visitor<'de> for ValidatorKeysVisitor {
+            type Value = ValidatorKeys;
+
+            fn expecting(&self, formatter: &mut our_std::fmt::Formatter) -> our_std::fmt::Result {
+                formatter.write_str("struct ValidatorKeys")
+            }
+
+            fn visit_map<V>(self, mut map: V) -> Result<Self::Value, V::Error>
+            where
+                V: de::MapAccess<'de>,
+            {
+                let mut substrate_id = None;
+                let mut eth_address = None;
+                while let Some(key) = map.next_key()? {
+                    match key {
+                        Field::SubstrateId => {
+                            if substrate_id.is_some() {
+                                return Err(de::Error::duplicate_field("substrate_id"));
+                            }
+                            let s_id: [u8; 32] = map.next_value()?;
+                            substrate_id = Some(
+                                s_id.try_into()
+                                    .map_err(|_| de::Error::custom("bad substrate id"))?,
+                            );
+                        }
+                        Field::EthAddress => {
+                            if eth_address.is_some() {
+                                return Err(de::Error::duplicate_field("eth_address"));
+                            }
+                            let addr: String = map.next_value()?;
+                            eth_address = Some(
+                                gateway_crypto::eth_str_to_address(&addr)
+                                    .map_err(|_| de::Error::custom("bad eth address"))?,
+                            );
+                        }
+                    }
+                }
+                let substrate_id =
+                    substrate_id.ok_or_else(|| de::Error::missing_field("substrate_id"))?;
+                let eth_address =
+                    eth_address.ok_or_else(|| de::Error::missing_field("eth_address"))?;
+                Ok(ValidatorKeys {
+                    substrate_id,
+                    eth_address,
+                })
+            }
+        }
+
+        const FIELDS: &'static [&'static str] = &["substrate_id", "eth_address"];
+        de.deserialize_struct("ValidatorKeys", FIELDS, ValidatorKeysVisitor)
+    }
+}
+
+impl Serialize for ValidatorKeys {
+    fn serialize<S>(&self, ser: S) -> Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        let mut map = ser.serialize_map(Some(2))?;
+        map.serialize_key("substrate_id")?;
+        map.serialize_value(&<[u8; 32]>::from(self.substrate_id.clone()))?;
+        map.serialize_key("eth_address")?;
+        map.serialize_value(&gateway_crypto::eth_address_string(&self.eth_address))?;
+        map.end()
+    }
+}
diff --git a/pallets/validator/src/tests/mock.rs b/pallets/validator/src/tests/mock.rs
new file mode 100644
index 000000000..671223e9a
--- /dev/null
+++ b/pallets/validator/src/tests/mock.rs
@@ -0,0 +1,160 @@
+use crate::{self as pallet_oracle, *};
+use codec::alloc::sync::Arc;
+use parking_lot::RwLock;
+use sp_core::{
+    offchain::{
+        testing::{self, OffchainState, PoolState},
+        OffchainDbExt, OffchainWorkerExt, TransactionPoolExt,
+    },
+    H256,
+};
+use sp_runtime::{
+    generic,
+    testing::{Header, TestXt},
+    traits::{BlakeTwo256, Extrinsic as ExtrinsicT, IdentifyAccount, IdentityLookup, Verify},
+    MultiAddress, MultiSignature as Signature,
+};
+
+pub type Extrinsic = TestXt<Call, ()>;
+pub type OracleModule = Module<Test>;
+pub type AccountId = <<Signature as Verify>::Signer as IdentifyAccount>::AccountId;
+
+pub type Address = MultiAddress<AccountId, ()>;
+pub type SignedExtra = (
+    frame_system::CheckSpecVersion<Test>,
+    frame_system::CheckTxVersion<Test>,
+    frame_system::CheckGenesis<Test>,
+    frame_system::CheckEra<Test>,
+    frame_system::CheckNonce<Test>,
+    frame_system::CheckWeight<Test>,
+);
+pub type UncheckedExtrinsic = generic::UncheckedExtrinsic<Address, Call, Signature, SignedExtra>;
+pub type Block = generic::Block<Header, UncheckedExtrinsic>;
+
+pub mod opaque {
+    pub use sp_runtime::OpaqueExtrinsic as UncheckedExtrinsic;
+}
+
+pub const MILLISECS_PER_BLOCK: types::Timestamp = 6000;
+pub const SLOT_DURATION: types::Timestamp = MILLISECS_PER_BLOCK;
+
+frame_support::parameter_types! {
+    pub const MinimumPeriod: types::Timestamp = SLOT_DURATION / 2;
+}
+
+frame_support::construct_runtime!(
+    pub enum Test where
+    Block = Block,
+    NodeBlock = Block,
+    UncheckedExtrinsic = UncheckedExtrinsic,
+    {
+        System: frame_system::{Pallet, Call, Config, Storage, Event<T>},
+        Timestamp: pallet_timestamp::{Pallet, Call, Storage, Inherent},
+        Oracle: pallet_oracle::{Pallet, Call, Config, Storage, Event, Inherent},
+    }
+);
+
+frame_support::parameter_types! {
+    pub const BlockHashCount: u64 = 250;
+    pub const SS58Prefix: u8 = 42;
+}
+
+impl frame_system::Config for Test {
+    type BaseCallFilter = ();
+    type BlockWeights = ();
+    type BlockLength = ();
+    type DbWeight = ();
+    type Origin = Origin;
+    type Call = Call;
+    type Index = u64;
+    type BlockNumber = u64;
+    type Hash = H256;
+    type Hashing = BlakeTwo256;
+    type AccountId = AccountId;
+    type Lookup = IdentityLookup<Self::AccountId>;
+    type Header = Header;
+    type Event = Event;
+    type BlockHashCount = BlockHashCount;
+    type Version = ();
+    type PalletInfo = PalletInfo;
+    type AccountData = ();
+    type OnNewAccount = ();
+    type OnKilledAccount = ();
+    type OnSetCode = ();
+    type SystemWeightInfo = ();
+    type SS58Prefix = SS58Prefix;
+}
+
+impl frame_system::offchain::SigningTypes for Test {
+    type Public = <Signature as Verify>::Signer;
+    type Signature = Signature;
+}
+
+impl Config for Test {
+    type Event = Event;
+    type Call = Call;
+    type GetConvertedTimestamp = timestamp::TimeConverter<Self>;
+}
+impl pallet_timestamp::Config for Test {
+    /// A timestamp: milliseconds since the unix epoch.
+    type Moment = types::Timestamp;
+    type OnTimestampSet = ();
+    type MinimumPeriod = MinimumPeriod;
+    type WeightInfo = ();
+}
+
+impl<LocalCall> frame_system::offchain::SendTransactionTypes<LocalCall> for Test
+where
+    Call: From<LocalCall>,
+{
+    type OverarchingCall = Call;
+    type Extrinsic = Extrinsic;
+}
+
+impl<LocalCall> frame_system::offchain::CreateSignedTransaction<LocalCall> for Test
+where
+    Call: From<LocalCall>,
+{
+    fn create_transaction<C: frame_system::offchain::AppCrypto<Self::Public, Self::Signature>>(
+        call: Call,
+        _public: <Signature as Verify>::Signer,
+        _account: AccountId,
+        nonce: u64,
+    ) -> Option<(Call, <Extrinsic as ExtrinsicT>::SignaturePayload)> {
+        Some((call, (nonce, ())))
+    }
+}
+
+// Build genesis storage according to the mock runtime.
+pub fn new_test_ext() -> sp_io::TestExternalities {
+    let (t, _pool_state, _offchain_state) = new_test_ext_with_http_calls(vec![]);
+    t
+}
+
+pub fn new_test_ext_with_http_calls(
+    mut calls: Vec<testing::PendingRequest>,
+) -> (
+    sp_io::TestExternalities,
+    Arc<RwLock<PoolState>>,
+    Arc<RwLock<OffchainState>>,
+) {
+    let (offchain, offchain_state) = testing::TestOffchainExt::new();
+    let (pool, pool_state) = testing::TestTransactionPoolExt::new();
+
+    // XXX
+    // let mut test_externalities: sp_io::TestExternalities = frame_system::GenesisConfig::default().build_storage::<Test>().unwrap().into();
+    let mut test_externalities = sp_io::TestExternalities::default();
+    test_externalities.register_extension(OffchainDbExt::new(offchain.clone()));
+    test_externalities.register_extension(OffchainWorkerExt::new(offchain));
+    test_externalities.register_extension(TransactionPoolExt::new(pool));
+
+    {
+        let mut state = offchain_state.write();
+        for call in calls.drain(0..calls.len()) {
+            state.expect_request(call);
+        }
+    }
+
+    test_externalities.execute_with(|| System::set_block_number(1));
+    (test_externalities, pool_state, offchain_state)
+}
diff --git a/pallets/validator/src/tests/mod.rs b/pallets/validator/src/tests/mod.rs
new file mode 100644
index 000000000..faa98ee56
--- /dev/null
+++ b/pallets/validator/src/tests/mod.rs
@@ -0,0 +1,184 @@
+use crate::{error::OracleError, ticker::Ticker, *};
+
+use sp_core::offchain::testing;
+
+pub use frame_support::{assert_err, assert_ok, dispatch::DispatchError};
+pub use our_std::{convert::TryInto, str::FromStr};
+
+pub mod mock;
+pub use mock::*;
+
+pub const ETH_TICKER: Ticker = Ticker::new("ETH");
+
+pub fn initialize_storage() {
+    OracleModule::initialize_reporters(
+        vec![
+            "0x85615b076615317c80f14cbad6501eec031cd51c",
+            "0xfCEAdAFab14d46e20144F48824d0C09B1a03F2BC",
+        ]
+        .try_into()
+        .unwrap(),
+    );
+}
+
+const TEST_OPF_URL: &str = "http://localhost/";
+
+#[test]
+fn test_process_prices_happy_path_makes_required_http_call() {
+    std::env::set_var("OPF_URL", TEST_OPF_URL);
+    let calls: Vec<testing::PendingRequest> = vec![testing::PendingRequest {
+        method: "GET".into(),
+        uri: TEST_OPF_URL.into(),
+        body: vec![],
+        response: Some(
+            oracle::tests::API_RESPONSE_TEST_DATA
+                .to_owned()
+                .into_bytes(),
+        ),
+        headers: vec![],
+        sent: true,
+        ..Default::default()
+    }];
+
+    let (mut t, _pool_state, _offchain_state) = new_test_ext_with_http_calls(calls);
+    t.execute_with(|| {
+        initialize_storage();
+        assert_ok!(oracle::process_prices::<Test>(1u64));
+        // sadly, it seems we can not check storage here, but we should at least be able to check that
+        // the OCW attempted to call the post_price extrinsic.. that is a todo XXX
+    });
+}
+
+#[test]
+fn test_post_price_happy_path() {
+    // an eth price message
+    let test_payload = hex::decode("0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000005fec975800000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000002baa48a00000000000000000000000000000000000000000000000000000000000000006707269636573000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034554480000000000000000000000000000000000000000000000000000000000").unwrap();
+    let test_signature = hex::decode("41a3f89a526dee766049f3699e9e975bfbabda4db677c9f5c41fbcc0730fccb84d08b2208c4ffae0b87bb162e2791cc305ee4e9a1d936f9e6154356154e9a8e9000000000000000000000000000000000000000000000000000000000000001c").unwrap();
+    new_test_ext().execute_with(|| {
+        initialize_storage(); // sets up ETH
+        <pallet_timestamp::Pallet<Test>>::set_timestamp(500);
+        OracleModule::post_price(Origin::none(), test_payload, test_signature).unwrap();
+        let eth_price = OracleModule::price(ETH_TICKER);
+        let eth_price_time = OracleModule::price_time(ETH_TICKER);
+        assert_eq!(eth_price, Some(732580000));
+        assert_eq!(eth_price_time, Some(1609340760000));
+    });
+}
+
+#[test]
+fn test_post_price_invalid_signature() {
+    // an eth price message
+    let test_payload = hex::decode("0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000005fec975800000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000002baa48a00000000000000000000000000000000000000000000000000000000000000006707269636573000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034554480000000000000000000000000000000000000000000000000000000000").unwrap();
+    let test_signature = hex::decode("41a3f89a526dee766049f3699e9e975bfbabda4db677c9f5c41fbcc0730fccb84d08b2208c4ffae0b87bb162e2791cc305ee4e9a1d936f9e6154356154e9a8e90000000000000000000000000000000000000000000000000000000000000003").unwrap();
+    new_test_ext().execute_with(|| {
+        initialize_storage(); // sets up ETH
+        let result = OracleModule::post_price(Origin::none(), test_payload, test_signature);
+        assert_err!(result, OracleError::CryptoError);
+    });
+}
+
+#[test]
+fn test_post_price_invalid_reporter() {
+    // an eth price message
+    let test_payload = hex::decode("0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000005fec975800000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000002baa48a00000000000000000000000000000000000000000000000000000000000000006707269636573000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034554480000000000000000000000000000000000000000000000000000000000").unwrap();
+    let test_signature = hex::decode("51a3f89a526dee766049f3699e9e975bfbabda4db677c9f5c41fbcc0730fccb84d08b2208c4ffae0b87bb162e2791cc305ee4e9a1d936f9e6154356154e9a8e9000000000000000000000000000000000000000000000000000000000000001c").unwrap();
+    new_test_ext().execute_with(|| {
+        initialize_storage(); // sets up ETH
+        let result = OracleModule::post_price(Origin::none(), test_payload, test_signature);
+        assert_err!(result, OracleError::CryptoError);
+        // XXX is this testing the right thing?
+        //  should it be:
+        // assert_err!(result, Reason::OracleError(OracleError::NotAReporter)); ??
+    });
+}
+
+#[test]
+fn test_post_price_stale_price() {
+    // an eth price message
+    let test_payload = hex::decode("0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000005fec975800000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000002baa48a00000000000000000000000000000000000000000000000000000000000000006707269636573000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034554480000000000000000000000000000000000000000000000000000000000").unwrap();
+    let test_signature = hex::decode("41a3f89a526dee766049f3699e9e975bfbabda4db677c9f5c41fbcc0730fccb84d08b2208c4ffae0b87bb162e2791cc305ee4e9a1d936f9e6154356154e9a8e9000000000000000000000000000000000000000000000000000000000000001c").unwrap();
+    new_test_ext().execute_with(|| {
+        <pallet_timestamp::Pallet<Test>>::set_timestamp(500);
+        initialize_storage(); // sets up ETH
+                              // post once
+        OracleModule::post_price(Origin::none(), test_payload.clone(), test_signature.clone())
+            .unwrap();
+        let eth_price = OracleModule::price(ETH_TICKER);
+        let eth_price_time = OracleModule::price_time(ETH_TICKER);
+        assert_eq!(eth_price, Some(732580000));
+        assert_eq!(eth_price_time, Some(1609340760000));
+        // try to post the same thing again
+        let result = OracleModule::post_price(Origin::none(), test_payload, test_signature);
+        assert_err!(result, OracleError::StalePrice);
+    });
+}
+
+#[test]
+fn offchain_worker_test() {
+    use frame_support::traits::OffchainWorker;
+    std::env::set_var("OPF_URL", TEST_OPF_URL);
+    let mut calls: Vec<testing::PendingRequest> = vec![];
+    let price_call = testing::PendingRequest {
+        method: "GET".into(),
+        uri: TEST_OPF_URL.into(),
+        body: vec![],
+        response: Some(
+            oracle::tests::API_RESPONSE_TEST_DATA
+                .to_owned()
+                .into_bytes(),
+        ),
+        headers: vec![],
+        sent: true,
+        ..Default::default()
+    };
+
+    calls.push(price_call);
+
+    let (mut t, pool_state, _offchain_state) = new_test_ext_with_http_calls(calls);
+
+    t.execute_with(|| {
+        initialize_storage();
+
+        // Set block number
+        let block = 1;
+        System::set_block_number(block);
+
+        // Execute offchain worker with no cached block number
+        OracleModule::offchain_worker(block);
+
+        // Ensure we're not posting transactions
+        assert_eq!(pool_state.read().transactions.len(), 0);
+
+        // Check `post_price` transactions
+        let messages = [
+            "0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000005fec975800000000000000000000000000000000000000000000000000000000000000c00000000000000000000000000000000000000000000000000000000688e4cda00000000000000000000000000000000000000000000000000000000000000006707269636573000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034254430000000000000000000000000000000000000000000000000000000000",
+            "0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000005fec975800000000000000000000000000000000000000000000000000000000000000c0000000000000000000000000000000000000000000000000000000002baa48a00000000000000000000000000000000000000000000000000000000000000006707269636573000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034554480000000000000000000000000000000000000000000000000000000000",
+            "0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000005fec975800000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000f51180000000000000000000000000000000000000000000000000000000000000006707269636573000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034441490000000000000000000000000000000000000000000000000000000000",
+            "0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000005fec975800000000000000000000000000000000000000000000000000000000000000c00000000000000000000000000000000000000000000000000000000000057e400000000000000000000000000000000000000000000000000000000000000006707269636573000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000035a52580000000000000000000000000000000000000000000000000000000000",
+            "0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000005fec975800000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000321900000000000000000000000000000000000000000000000000000000000000006707269636573000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034241540000000000000000000000000000000000000000000000000000000000",
+            "0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000005fec975800000000000000000000000000000000000000000000000000000000000000c000000000000000000000000000000000000000000000000000000000000c63e00000000000000000000000000000000000000000000000000000000000000006707269636573000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000034b4e430000000000000000000000000000000000000000000000000000000000",
+            "0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000005fec975800000000000000000000000000000000000000000000000000000000000000c00000000000000000000000000000000000000000000000000000000000ad33d80000000000000000000000000000000000000000000000000000000000000006707269636573000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000044c494e4b00000000000000000000000000000000000000000000000000000000",
+            "0000000000000000000000000000000000000000000000000000000000000080000000000000000000000000000000000000000000000000000000005fec975800000000000000000000000000000000000000000000000000000000000000c00000000000000000000000000000000000000000000000000000000009206d00000000000000000000000000000000000000000000000000000000000000000670726963657300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004434f4d5000000000000000000000000000000000000000000000000000000000"
+        ];
+
+        let signatures = [
+            "69538bfa1a2097ea206780654d7baac3a17ee57547ee3eeb5d8bcb58a2fcdf401ff8834f4a003193f24224437881276fe76c8e1c0a361081de854457d41d0690000000000000000000000000000000000000000000000000000000000000001c",
+            "41a3f89a526dee766049f3699e9e975bfbabda4db677c9f5c41fbcc0730fccb84d08b2208c4ffae0b87bb162e2791cc305ee4e9a1d936f9e6154356154e9a8e9000000000000000000000000000000000000000000000000000000000000001c",
+            "15a9e7019f2b45c5e64646df571ea944b544dbf9093fbe19e41afea68fa58d721e53449245eebea3f351dbdff4dff09cf303a335cb4455f0d3219f308d448483000000000000000000000000000000000000000000000000000000000000001c",
+            "25be45b4fa82f48160cb0218acafe26e6fea2be797710add737d09ad305ab54e5f75783b857b2c5c526acb3f9b34ffba64c1251843d320f04b5c0efbbe661d17000000000000000000000000000000000000000000000000000000000000001b",
+            "19984214a69bccb410910de3b277d19fd86f2524510d83b4fc139f1469b11e375297ea89aeda2bceda4a4553e7815f93d3cff192ade88dccf43fb18ba73a97a7000000000000000000000000000000000000000000000000000000000000001b",
+            "549e608b0e2acc98a36ac88fac610909d430b89c7501183d83c05189260baa6754b16ef74c804f7a7789e4e468878bfe153d76a7029c29f9acce86942a1ff492000000000000000000000000000000000000000000000000000000000000001c",
+            "01612605d0de98506ced9ca0414a08b7c335cd1dfa0ea2b62d283a2e27d8d33c25eb0abd6cc2625d950f59baf3300a71e269c3f3eea81e5ed8876bb2f4e75cfd000000000000000000000000000000000000000000000000000000000000001b",
+            "883317a2aa03f1523e95bedb961d7aabfbfba73bb9f54685639d0bc1eb2fd16a7c5510e7f68e1e0824bd5a96093ef921aabb36f79e89defc4d216f6dc0d79fbb000000000000000000000000000000000000000000000000000000000000001b"
+        ];
+
+        if let Some((price_data, _ts)) = runtime_interfaces::price_feed_interface::get_price_data() {
+            let pair_messages: Vec<String> = price_data.clone().into_iter().map(|pair| hex::encode(pair.0)).collect();
+            let pair_signatures: Vec<String> = price_data.into_iter().map(|pair| hex::encode(pair.1)).collect();
+            assert_eq!(&messages[..], &pair_messages[..]);
+            assert_eq!(&signatures[..], &pair_signatures[..]);
+        } else {
+            panic!("Price data not set");
+        }
+    });
+}
diff --git a/pallets/validator/src/types.rs b/pallets/validator/src/types.rs
new file mode 100644
index 000000000..66956b85c
--- /dev/null
+++ b/pallets/validator/src/types.rs
@@ -0,0 +1,27 @@
+use sp_core::crypto::AccountId32;
+
+use our_std::collections::btree_set::BTreeSet;
+use types_derive::{type_alias, Types};
+
+/// Type for enumerating sessions.
+#[type_alias]
+pub type SessionIndex = u32;
+
+/// Type for an address used to identify a validator.
+#[type_alias]
+pub type ValidatorIdentity = SubstrateId;
+
+/// Type for signers set used to identify validators that signed this event.
+#[type_alias]
+pub type SignersSet = BTreeSet<ValidatorIdentity>;
+
+/// Type for representing the keys to sign notices.
+#[derive(Clone, Eq, PartialEq, Encode, Decode, RuntimeDebug, Types)]
+pub struct ValidatorKeys {
+    pub substrate_id: SubstrateId,
+    pub eth_address: [u32; 20], // TODO: <Ethereum as Chain>::Address
+}
+
+/// Type for linking sessions to validators.
+#[type_alias]
+pub type SubstrateId = AccountId32;
diff --git a/pallets/validator/src/validate_trx.rs b/pallets/validator/src/validate_trx.rs
new file mode 100644
index 000000000..151f7d962
--- /dev/null
+++ b/pallets/validator/src/validate_trx.rs
@@ -0,0 +1,48 @@
+use crate::{internal, Call, Config, Validators};
+use codec::Encode;
+use frame_support::storage::{IterableStorageMap, StorageDoubleMap, StorageValue};
+use our_std::{log, RuntimeDebug};
+use sp_runtime::transaction_validity::{TransactionSource, TransactionValidity, ValidTransaction};
+
+#[derive(Eq, PartialEq, RuntimeDebug, Clone, Copy)]
+pub enum ValidationError {
+    InvalidCall,
+}
+
+pub fn check_validation_failure<T: Config>(
+    call: &Call<T>,
+    res: Result<TransactionValidity, ValidationError>,
+) -> Result<TransactionValidity, ValidationError> {
+    if let Err(err) = res {
+        log!("validate_unsigned: call = {:#?}, error = {:#?}", call, err);
+    }
+    res
+}
+
+pub fn validate_unsigned<T: Config>(
+    source: TransactionSource,
+    call: &Call<T>,
+) -> Result<TransactionValidity, ValidationError> {
+    match call {
+        _ => Err(ValidationError::InvalidCall),
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::{core::validator_sign, tests::*, Call};
+
+    #[test]
+    fn test_other() {
+        new_test_ext().execute_with(|| {
+            assert_eq!(
+                validate_unsigned(
+                    TransactionSource::InBlock {},
+                    &Call::change_validators::<Test>(vec![]),
+                ),
+                Err(ValidationError::InvalidCall)
+            );
+        });
+    }
+}
diff --git a/pallets/cash/src/internal/change_validators.rs b/pallets/validator/src/validator.rs
similarity index 90%
rename from pallets/cash/src/internal/change_validators.rs
rename to pallets/validator/src/validator.rs
index 8d9e1fccb..b03fc5b12 100644
--- a/pallets/cash/src/internal/change_validators.rs
+++ b/pallets/validator/src/validator.rs
@@ -1,11 +1,18 @@
 use crate::{
-    internal, reason::Reason, require, types::ValidatorKeys, Config, Event, Module, NextValidators,
-    NoticeHolds, SessionInterface,
+    error::ValidatorError,
+    require, // TODO: Move to own crate?
+    types::ValidatorKeys,
+    Config,
+    Event,
+    Module,
+    NextValidators,
+    SessionInterface,
 };
 use frame_support::storage::{IterableStorageMap, StorageMap};
 
-pub fn change_validators<T: Config>(validators: Vec<ValidatorKeys>) -> Result<(), Reason> {
-    require!(NoticeHolds::iter().count() == 0, Reason::PendingAuthNotice);
+pub fn change_validators<T: Config>(validators: Vec<ValidatorKeys>) -> Result<(), ValidatorError> {
+    // TODO: NoticeHolds dependency
+    // require!(NoticeHolds::iter().count() == 0, Reason::PendingAuthNotice);
 
     for validator in validators.iter() {
         require!(
@@ -23,7 +30,8 @@ pub fn change_validators<T: Config>(validators: Vec<ValidatorKeys>) -> Result<()
 
     <Module<T>>::deposit_event(Event::ChangeValidators(validators.clone()));
 
-    internal::notices::dispatch_change_authority_notice::<T>(validators);
+    // TODO: Another notice dependency
+    // internal::notices::dispatch_change_authority_notice::<T>(validators);
 
     // rotate to the currently queued session, and queue a new session with the new validators in NextValidators
     <T>::SessionInterface::rotate_session();
@@ -34,10 +42,8 @@ pub fn change_validators<T: Config>(validators: Vec<ValidatorKeys>) -> Result<()
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::{
-        chains::*, notices::*, reason::Reason, tests::*, AccountId32, LatestNotice, NoticeStates,
-        Notices, ValidatorKeys,
-    };
+    use crate::{chains::*, notices::*, reason::Reason, tests::*, AccountId32, ValidatorKeys};
+    // Notices, LatestNotice, NoticeStates,
     use frame_support::storage::{IterableStorageDoubleMap, StorageDoubleMap, StorageMap};
     use mock::opaque::MockSessionKeys;
 
diff --git a/pallets/validator/src/weights.rs b/pallets/validator/src/weights.rs
new file mode 100644
index 000000000..0c91697fa
--- /dev/null
+++ b/pallets/validator/src/weights.rs
@@ -0,0 +1,74 @@
+// This file is part of Substrate.
+
+// Copyright (C) 2021 Parity Technologies (UK) Ltd.
+// SPDX-License-Identifier: Apache-2.0
+
+// 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.
+
+//! Autogenerated weights for pallet_cash
+//!
+//! THIS FILE WAS AUTO-GENERATED USING THE SUBSTRATE BENCHMARK CLI VERSION 3.0.0
+//! DATE: 2021-06-17, STEPS: [10, ], REPEAT: 10, LOW RANGE: [], HIGH RANGE: []
+//! EXECUTION: Some(Wasm), WASM-EXECUTION: Compiled, CHAIN: None, DB CACHE: 128
+
+// Executed Command:
+// target/release/gateway
+// benchmark
+// --execution
+// wasm
+// --wasm-execution
+// compiled
+// --pallet
+// pallet_validator
+// --extrinsic
+// *
+// --steps
+// 10
+// --repeat
+// 10
+// --raw
+// --template=./.maintain/frame-weight-template.hbs
+// --output=./pallets/validator/src/weights.rs
+
+#![allow(unused_parens)]
+#![allow(unused_imports)]
+
+use frame_support::{
+    traits::Get,
+    weights::{constants::RocksDbWeight, Weight},
+};
+use sp_std::marker::PhantomData;
+
+/// Weight functions needed for pallet_cash.
+pub trait WeightInfo {
+    fn change_validators() -> Weight;
+}
+
+/// Weights for pallet_cash using the Substrate node and recommended hardware.
+pub struct SubstrateWeight<T>(PhantomData<T>);
+impl<T: frame_system::Config> WeightInfo for SubstrateWeight<T> {
+    fn change_validators() -> Weight {
+        (123_000_000 as Weight)
+            .saturating_add(T::DbWeight::get().reads(11 as Weight))
+            .saturating_add(T::DbWeight::get().writes(12 as Weight))
+    }
+}
+
+// For backwards compatibility and tests
+impl WeightInfo for () {
+    fn change_validators() -> Weight {
+        (123_000_000 as Weight)
+            .saturating_add(RocksDbWeight::get().reads(11 as Weight))
+            .saturating_add(RocksDbWeight::get().writes(12 as Weight))
+    }
+}