eth/client: update default fees (#157)

lib/eth/chain.rb

@@ -96,7 +96,7 @@ class ReplayProtectionError < StandardError; end
     # used by ledger wallets without EIP-155 replay protection.
     #
     # @param v [Integer] the signature's `v` value.
-    # @return [Boolean] true if ledger'#'s legacy value.
+    # @return [Boolean] true if ledger's legacy value.
     def is_ledger?(v)
       [0, 1].include? v
     end

lib/eth/client.rb

@@ -56,7 +56,7 @@ def self.create(host)
     # use {Client.create} intead.
     def initialize(_)
       @id = 0
-      @max_priority_fee_per_gas = 0
+      @max_priority_fee_per_gas = Tx::DEFAULT_PRIORITY_FEE
       @max_fee_per_gas = Tx::DEFAULT_GAS_PRICE
       @gas_limit = Tx::DEFAULT_GAS_LIMIT
     end

lib/eth/tx.rb

@@ -39,8 +39,11 @@ class ParameterError < TypeError; end
     # The minimum transaction gas limit required for a value transfer.
     DEFAULT_GAS_LIMIT = 21_000.freeze
 
-    # The "default" transaction gas price of 20 GWei. Do not use.
-    DEFAULT_GAS_PRICE = (20 * Unit::GWEI).freeze
+    # The "default" transaction priority fee of 1.01 GWei. Do not use.
+    DEFAULT_PRIORITY_FEE = (1.01 * Unit::GWEI).freeze
+
+    # The "default" transaction gas price of 42.69 GWei. Do not use.
+    DEFAULT_GAS_PRICE = (42.69 * Unit::GWEI).freeze
 
     # The calldata gas cost of a non-zero byte as per EIP-2028.
     COST_NON_ZERO_BYTE = 16.freeze
@@ -55,7 +58,7 @@ class ParameterError < TypeError; end
     COST_ADDRESS = 2_400.freeze
 
     # The maximum transaction gas limit is bound by the block gas limit.
-    BLOCK_GAS_LIMIT = 25_000_000.freeze
+    BLOCK_GAS_LIMIT = 30_000_000.freeze
 
     # The legacy transaction type is 0.
     TYPE_LEGACY = 0x00.freeze

spec/eth/client_spec.rb

@@ -42,7 +42,7 @@
       expect(geth_dev_ipc.id).to eq 0
       expect(geth_dev_ipc.chain_id).to eq Chain::PRIVATE_GETH
       expect(geth_dev_ipc.default_account).to be_instance_of Address
-      expect(geth_dev_ipc.max_priority_fee_per_gas).to eq 0
+      expect(geth_dev_ipc.max_priority_fee_per_gas).to eq Tx::DEFAULT_PRIORITY_FEE
       expect(geth_dev_ipc.max_fee_per_gas).to eq Tx::DEFAULT_GAS_PRICE
       expect(geth_dev_ipc.gas_limit).to eq Tx::DEFAULT_GAS_LIMIT
     end

spec/eth/tx/eip1559_spec.rb

@@ -103,7 +103,7 @@
           max_gas_fee: Unit::GWEI,
           gas_limit: Tx::BLOCK_GAS_LIMIT + 1,
         })
-      }.to raise_error Tx::ParameterError, "Invalid gas limit 25000001!"
+      }.to raise_error Tx::ParameterError, "Invalid gas limit 30000001!"
       expect {
         Tx.new({
           nonce: -1,

spec/eth/tx/eip2930_spec.rb

@@ -102,7 +102,7 @@
           gas_price: Unit::GWEI,
           gas_limit: Tx::BLOCK_GAS_LIMIT + 1,
         })
-      }.to raise_error Tx::ParameterError, "Invalid gas limit 25000001!"
+      }.to raise_error Tx::ParameterError, "Invalid gas limit 30000001!"
       expect {
         Tx.new({
           nonce: -1,

spec/eth/tx/legacy_spec.rb

@@ -129,7 +129,7 @@
           gas_price: Unit::GWEI,
           gas_limit: Tx::BLOCK_GAS_LIMIT + 1,
         })
-      }.to raise_error Tx::ParameterError, "Invalid gas limit 25000001!"
+      }.to raise_error Tx::ParameterError, "Invalid gas limit 30000001!"
       expect {
         Tx.new({
           nonce: -1,

spec/eth/tx_spec.rb

@@ -4,8 +4,9 @@
   context "#GAS" do
     it "defines gas limits" do
       expect(Tx::DEFAULT_GAS_LIMIT).to eq 21_000
-      expect(Tx::DEFAULT_GAS_PRICE).to eq 20_000_000_000
-      expect(Tx::BLOCK_GAS_LIMIT).to eq 25_000_000
+      expect(Tx::DEFAULT_PRIORITY_FEE).to eq 1_010_000_000
+      expect(Tx::DEFAULT_GAS_PRICE).to eq 42_690_000_000
+      expect(Tx::BLOCK_GAS_LIMIT).to eq 30_000_000
     end
 
     it "defines gas costs" do