feat: set POV gas limit ratio to zero for solo chain (#313)

Set `GasLimitPovSizeRatio` to 0 across all runtime environments
(mainnet, stagenet, testnet) since DataHaven operates as a solo chain
and doesn't need to account for Proof-of-Validity size constraints that
parachains require.

  ## ⚠️ Breaking Changes ⚠️
  - `GasLimitPovSizeRatio` is now set to 0 across all runtimes
  - Gas calculations will no longer account for POV size constraints

operator/precompiles/batch/src/mock.rs

@@ -123,7 +123,6 @@ pub type PCall = BatchPrecompileCall<Runtime>;
 mock_account!(Batch, |_| MockAccount::from_u64(1));
 mock_account!(Revert, |_| MockAccount::from_u64(2));
 
-const MAX_POV_SIZE: u64 = 5 * 1024 * 1024;
 /// Block storage limit in bytes. Set to 40 KB.
 const BLOCK_STORAGE_LIMIT: u64 = 40 * 1024;
 
@@ -131,10 +130,7 @@ parameter_types! {
     pub BlockGasLimit: U256 = U256::from(u64::MAX);
     pub PrecompilesValue: Precompiles<Runtime> = Precompiles::new();
     pub const WeightPerGas: Weight = Weight::from_parts(1, 0);
-    pub GasLimitPovSizeRatio: u64 = {
-        let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
-        block_gas_limit.saturating_div(MAX_POV_SIZE)
-    };
+    pub const GasLimitPovSizeRatio: u64 = 0;
     pub GasLimitStorageGrowthRatio: u64 = {
         let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
         block_gas_limit.saturating_div(BLOCK_STORAGE_LIMIT)

operator/precompiles/collective/src/mock.rs

@@ -124,7 +124,6 @@ pub type Precompiles<R> = PrecompileSetBuilder<
 
 pub type PCall = CollectivePrecompileCall<Runtime, pallet_collective::Instance1>;
 
-const MAX_POV_SIZE: u64 = 5 * 1024 * 1024;
 /// Block storage limit in bytes. Set to 40 KB.
 const BLOCK_STORAGE_LIMIT: u64 = 40 * 1024;
 
@@ -132,10 +131,7 @@ parameter_types! {
     pub BlockGasLimit: U256 = U256::from(u64::MAX);
     pub PrecompilesValue: Precompiles<Runtime> = Precompiles::new();
     pub const WeightPerGas: Weight = Weight::from_parts(1, 0);
-    pub GasLimitPovSizeRatio: u64 = {
-        let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
-        block_gas_limit.saturating_div(MAX_POV_SIZE)
-    };
+    pub const GasLimitPovSizeRatio: u64 = 0;
     pub GasLimitStorageGrowthRatio : u64 = {
         let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
         block_gas_limit.saturating_div(BLOCK_STORAGE_LIMIT)

operator/precompiles/conviction-voting/src/mock.rs

@@ -109,7 +109,6 @@ impl pallet_balances::Config for Runtime {
     type DoneSlashHandler = ();
 }
 
-const MAX_POV_SIZE: u64 = 5 * 1024 * 1024;
 /// Block storage limit in bytes. Set to 40 KB.
 const BLOCK_STORAGE_LIMIT: u64 = 40 * 1024;
 
@@ -117,10 +116,7 @@ parameter_types! {
     pub BlockGasLimit: U256 = U256::from(u64::MAX);
     pub PrecompilesValue: Precompiles<Runtime> = Precompiles::new();
     pub const WeightPerGas: Weight = Weight::from_parts(1, 0);
-    pub GasLimitPovSizeRatio: u64 = {
-        let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
-        block_gas_limit.saturating_div(MAX_POV_SIZE)
-    };
+    pub const GasLimitPovSizeRatio: u64 = 0;
     pub GasLimitStorageGrowthRatio : u64 = {
         let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
         block_gas_limit.saturating_div(BLOCK_STORAGE_LIMIT)

operator/precompiles/erc20-balances/src/mock.rs

@@ -108,7 +108,6 @@ pub type Precompiles<R> = PrecompileSetBuilder<
 
 pub type PCall = Erc20BalancesPrecompileCall<Runtime, NativeErc20Metadata, ()>;
 
-const MAX_POV_SIZE: u64 = 5 * 1024 * 1024;
 /// Block storage limit in bytes. Set to 40 KB.
 const BLOCK_STORAGE_LIMIT: u64 = 40 * 1024;
 
@@ -116,10 +115,7 @@ parameter_types! {
     pub BlockGasLimit: U256 = U256::from(u64::MAX);
     pub PrecompilesValue: Precompiles<Runtime> = Precompiles::new();
     pub const WeightPerGas: Weight = Weight::from_parts(1, 0);
-    pub GasLimitPovSizeRatio: u64 = {
-        let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
-        block_gas_limit.saturating_div(MAX_POV_SIZE)
-    };
+    pub const GasLimitPovSizeRatio: u64 = 0;
     pub GasLimitStorageGrowthRatio: u64 = {
         let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
         block_gas_limit.saturating_div(BLOCK_STORAGE_LIMIT)

operator/precompiles/identity/src/mock.rs

@@ -110,7 +110,6 @@ impl pallet_balances::Config for Runtime {
     type DoneSlashHandler = ();
 }
 
-const MAX_POV_SIZE: u64 = 5 * 1024 * 1024;
 /// Block storage limit in bytes. Set to 40 KB.
 const BLOCK_STORAGE_LIMIT: u64 = 40 * 1024;
 
@@ -118,10 +117,7 @@ parameter_types! {
     pub BlockGasLimit: U256 = U256::from(u64::MAX);
     pub PrecompilesValue: Precompiles<Runtime> = Precompiles::new();
     pub const WeightPerGas: Weight = Weight::from_parts(1, 0);
-    pub GasLimitPovSizeRatio: u64 = {
-        let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
-        block_gas_limit.saturating_div(MAX_POV_SIZE)
-    };
+    pub const GasLimitPovSizeRatio: u64 = 0;
     pub GasLimitStorageGrowthRatio: u64 = {
         let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
         block_gas_limit.saturating_div(BLOCK_STORAGE_LIMIT)

operator/precompiles/preimage/src/mock.rs

@@ -101,7 +101,6 @@ impl pallet_balances::Config for Runtime {
     type DoneSlashHandler = ();
 }
 
-const MAX_POV_SIZE: u64 = 5 * 1024 * 1024;
 /// Block storage limit in bytes. Set to 40 KB.
 const BLOCK_STORAGE_LIMIT: u64 = 40 * 1024;
 
@@ -109,10 +108,7 @@ parameter_types! {
     pub BlockGasLimit: U256 = U256::from(u64::MAX);
     pub PrecompilesValue: Precompiles<Runtime> = Precompiles::new();
     pub const WeightPerGas: Weight = Weight::from_parts(1, 0);
-    pub GasLimitPovSizeRatio: u64 = {
-        let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
-        block_gas_limit.saturating_div(MAX_POV_SIZE)
-    };
+    pub const GasLimitPovSizeRatio: u64 = 0;
     pub GasLimitStorageGrowthRatio: u64 = {
         let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
         block_gas_limit.saturating_div(BLOCK_STORAGE_LIMIT)

operator/precompiles/proxy/src/mock.rs

@@ -150,7 +150,6 @@ impl<OuterOrigin> EnsureAddressOrigin<OuterOrigin> for EnsureAddressAlways {
     }
 }
 
-const MAX_POV_SIZE: u64 = 5 * 1024 * 1024;
 /// Block storage limit in bytes. Set to 40 KB.
 const BLOCK_STORAGE_LIMIT: u64 = 40 * 1024;
 
@@ -158,10 +157,7 @@ parameter_types! {
     pub BlockGasLimit: U256 = U256::from(u64::MAX);
     pub PrecompilesValue: Precompiles<Runtime> = Precompiles::new();
     pub const WeightPerGas: Weight = Weight::from_parts(1, 0);
-    pub GasLimitPovSizeRatio: u64 = {
-        let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
-        block_gas_limit.saturating_div(MAX_POV_SIZE)
-    };
+    pub const GasLimitPovSizeRatio: u64 = 0;
     pub GasLimitStorageGrowthRatio: u64 = {
         let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
         block_gas_limit.saturating_div(BLOCK_STORAGE_LIMIT)

operator/precompiles/referenda/src/mock.rs

@@ -152,10 +152,7 @@ parameter_types! {
     pub BlockGasLimit: U256 = U256::from(u64::MAX);
     pub PrecompilesValue: TestPrecompiles<Runtime> = TestPrecompiles::new();
     pub const WeightPerGas: Weight = Weight::from_parts(1, 0);
-    pub GasLimitPovSizeRatio: u64 = {
-        let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
-        block_gas_limit.saturating_div(MAX_POV_SIZE)
-    };
+    pub const GasLimitPovSizeRatio: u64 = 0;
     pub GasLimitStorageGrowthRatio: u64 = {
         let block_gas_limit = BlockGasLimit::get().min(u64::MAX.into()).low_u64();
         block_gas_limit.saturating_div(BLOCK_STORAGE_LIMIT)

operator/runtime/mainnet/src/configs/mod.rs

@@ -995,13 +995,10 @@ parameter_types! {
     pub PrecompilesValue: Precompiles = DataHavenPrecompiles::<Runtime>::new();
     pub WeightPerGas: Weight = Weight::from_parts(WEIGHT_PER_GAS, 0);
     pub SuicideQuickClearLimit: u32 = 0;
-    /// The amount of gas per pov. A ratio of 16 if we convert ref_time to gas and we compare
-    /// it with the pov_size for a block. E.g.
-    /// ceil(
-    ///     (max_extrinsic.ref_time() / max_extrinsic.proof_size()) / WEIGHT_PER_GAS
-    /// )
+    /// The amount of gas per pov. Set to 0 because DataHaven is a solo chain and we don't
+    /// account for POV (Proof-of-Validity) size constraints like parachains do.
     /// We should re-check `xcm_config::Erc20XcmBridgeTransferGasLimit` when changing this value
-    pub const GasLimitPovSizeRatio: u64 = 16;
+    pub const GasLimitPovSizeRatio: u64 = 0;
     /// The amount of gas per storage (in bytes): BLOCK_GAS_LIMIT / BLOCK_STORAGE_LIMIT
     /// (60_000_000 / 160 kb)
     pub GasLimitStorageGrowthRatio: u64 = 366;

operator/runtime/stagenet/src/configs/mod.rs

@@ -992,13 +992,10 @@ parameter_types! {
     pub PrecompilesValue: Precompiles = DataHavenPrecompiles::<Runtime>::new();
     pub WeightPerGas: Weight = Weight::from_parts(WEIGHT_PER_GAS, 0);
     pub SuicideQuickClearLimit: u32 = 0;
-    /// The amount of gas per pov. A ratio of 16 if we convert ref_time to gas and we compare
-    /// it with the pov_size for a block. E.g.
-    /// ceil(
-    ///     (max_extrinsic.ref_time() / max_extrinsic.proof_size()) / WEIGHT_PER_GAS
-    /// )
+    /// The amount of gas per pov. Set to 0 because DataHaven is a solo chain and we don't
+    /// account for POV (Proof-of-Validity) size constraints like parachains do.
     /// We should re-check `xcm_config::Erc20XcmBridgeTransferGasLimit` when changing this value
-    pub const GasLimitPovSizeRatio: u64 = 16;
+    pub const GasLimitPovSizeRatio: u64 = 0;
     /// The amount of gas per storage (in bytes): BLOCK_GAS_LIMIT / BLOCK_STORAGE_LIMIT
     /// (60_000_000 / 160 kb)
     pub GasLimitStorageGrowthRatio: u64 = 366;

operator/runtime/testnet/src/configs/mod.rs

@@ -995,13 +995,10 @@ parameter_types! {
     pub PrecompilesValue: Precompiles = DataHavenPrecompiles::<Runtime>::new();
     pub WeightPerGas: Weight = Weight::from_parts(WEIGHT_PER_GAS, 0);
     pub SuicideQuickClearLimit: u32 = 0;
-    /// The amount of gas per pov. A ratio of 16 if we convert ref_time to gas and we compare
-    /// it with the pov_size for a block. E.g.
-    /// ceil(
-    ///     (max_extrinsic.ref_time() / max_extrinsic.proof_size()) / WEIGHT_PER_GAS
-    /// )
+    /// The amount of gas per pov. Set to 0 because DataHaven is a solo chain and we don't
+    /// account for POV (Proof-of-Validity) size constraints like parachains do.
     /// We should re-check `xcm_config::Erc20XcmBridgeTransferGasLimit` when changing this value
-    pub const GasLimitPovSizeRatio: u64 = 16;
+    pub const GasLimitPovSizeRatio: u64 = 0;
     /// The amount of gas per storage (in bytes): BLOCK_GAS_LIMIT / BLOCK_STORAGE_LIMIT
     /// (60_000_000 / 160 kb)
     pub GasLimitStorageGrowthRatio: u64 = 366;

test/datahaven/suites/dev/stagenet/eth-fee/test-eth-fee-history.ts

@@ -62,7 +62,7 @@ describeSuite({
         feeResults.baseFeePerGas.length,
         "baseFeePerGas should always the requested block range + 1 (the next derived base fee)"
       ).toBe(block_count + 1);
-      expect(feeResults.gasUsedRatio).to.be.deep.eq(Array(block_count).fill(0.0105225));
+      expect(feeResults.gasUsedRatio).to.be.deep.eq(Array(block_count).fill(0.00773915));
       expect(
         feeResults.reward.length,
         "should return two-dimensional reward list for the requested block range"