reorg_spec.rb in bitcoin-ruby-0.0.6

- old
+ new

@@ -3,13 +3,11 @@
 require_relative '../spec_helper'
 
 include Bitcoin::Builder
 
 Bitcoin.network = :testnet
-
-Bitcoin::Validation::Block::RETARGET = 10
-
+    
 [
  [:utxo, :sqlite, index_all_addrs: true],
  [:sequel, :sqlite], # [:sequel, :postgres],
  [:utxo, :postgres, index_all_addrs: true],
  [:sequel, :mysql],
@@ -26,14 +24,19 @@
 
   before do
     @store = storage
     @store.reset
     def @store.in_sync?; true; end
+    
+    Bitcoin.network = :testnet
+    Bitcoin.network[:retarget_interval] = 10
     Bitcoin.network[:proof_of_work_limit] = Bitcoin.encode_compact_bits("ff"*32)
+    
     @key = Bitcoin::Key.generate
     @block0 = create_block "00"*32, false, [], @key
     Bitcoin.network[:genesis_hash] = @block0.hash
+    
     @store.store_block(@block0)
     @store.get_head.should == @block0
   end
 
   it "should retarget" do
@@ -97,10 +100,43 @@
 
     # check that shorter branch B has overtaken longer branch A due to more work
     @store.get_head.hash.should == block_b.hash
   end
 
+  it "should validate duplicate tx in a side chain" do
+    block1 = create_block @block0.hash, true, [], @key
+
+    block_2_0 = create_block block1.hash, false, [ ->(t) {
+        t.input {|i| i.prev_out block1.tx[0], 0; i.signature_key @key }
+        t.output {|o| o.value 50e8; o.script {|s| s.recipient @key.addr } }
+      }], @key
+
+    @store.store_block(block_2_0).should == [2, 0]
+
+    block_3_0 = create_block block_2_0.hash, false, [->(t) {
+        t.input {|i| i.prev_out block_2_0.tx[1], 0; i.signature_key @key }
+        t.output {|o| o.value 50e8; o.script {|s| s.recipient @key.addr } }
+       }], @key
+    @store.store_block(block_3_0).should == [3, 0]
+
+    block_2_1 = create_block block1.hash, false
+    block_2_1.tx << block_2_0.tx[1]
+    block_2_1.recalc_mrkl_root
+    block_2_1.recalc_block_hash
+    @store.store_block(block_2_1).should == [2, 1]
+
+    block_3_1 = create_block block_2_1.hash, false
+    block_3_1.tx << block_3_0.tx[1]
+    block_3_1.recalc_mrkl_root
+    block_3_1.recalc_block_hash
+
+    @store.store_block(block_3_1).should == [3, 1]
+
+    block_4 = create_block block_3_1.hash, false
+    @store.store_block(block_4).should == [4, 0]
+  end
+
   it "should reorg a single side block" do
     @store.get_head.should == @block0
 
     block1 = create_block @block0.hash
     @store.get_head.should == block1
@@ -161,22 +197,22 @@
       @store.get_head.should == blocks[i]
     end
   end
 
   it "should handle existing blocks" do
-    Bitcoin.network = :testnet
     blocks = [@block0]
     3.times { blocks << create_block(blocks.last.hash, false) }
     blocks[1..-1].each.with_index {|b, idx| @store.store_block(b).should == [idx+1, 0] }
     3.times {|i| @store.store_block(blocks[i]).should == [i] }
     @store.get_head.should == blocks[-1]
   end
 
   # see https://bitcointalk.org/index.php?topic=46370.0
   it "should pass reorg unit tests" do
-    class Bitcoin::Validation::Block; def difficulty; true; end; end
     Bitcoin.network = :bitcoin
+    # Disable difficulty check
+    Bitcoin.network[:no_difficulty] = true
     @store.import "./spec/bitcoin/fixtures/reorg/blk_0_to_4.dat"
     @store.get_depth.should == 4
     @store.get_head.hash.should =~ /000000002f264d65040/
     balance("1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa").should == 10000000000
     balance("1NiEGXeURREqqMjCvjCeZn6SwEBZ9AdVet").should == 0
@@ -190,16 +226,11 @@
     @store.get_head.hash.should =~ /00000000195f85184e7/
     balance("1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa").should == 15000000000
     balance("1NiEGXeURREqqMjCvjCeZn6SwEBZ9AdVet").should == 1000000000
     balance("1KXFNhNtrRMfgbdiQeuJqnfD7dR4PhniyJ").should == 0
     balance("1JyMKvPHkrCQd8jQrqTR1rBsAd1VpRhTiE").should == 14000000000
+    Bitcoin.network.delete :no_difficulty
     Bitcoin.network = :testnet
-    class Bitcoin::Validation::Block
-      def difficulty
-        return true  if Bitcoin.network_name == :testnet3
-        block.bits == next_bits_required || [block.bits, next_bits_required]
-      end
-    end
   end
 
 end
 end