From c98bce709c392f3b469f956b5f66f095a30a7e2b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C3=A9ter=20Szil=C3=A1gyi?= <peterke@gmail.com>
Date: Thu, 25 May 2017 17:21:20 +0300
Subject: core: fix minor accidental typos and comment errors

---
 core/blockchain.go     | 10 +++++-----
 core/tx_pool.go        |  4 ++--
 core/vm/interpreter.go |  2 +-
 3 files changed, 8 insertions(+), 8 deletions(-)

(limited to 'core')

diff --git a/core/blockchain.go b/core/blockchain.go
index 865077132..073b91bab 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -56,10 +56,10 @@ const (
 	blockCacheLimit     = 256
 	maxFutureBlocks     = 256
 	maxTimeFutureBlocks = 30
-	// BlockChainVersion must be bumped when consensus algorithm is changed, this forces the upgradedb
-	// command to be run (forces the blocks to be imported again using the new algorithm)
+	badBlockLimit       = 10
+
+	// BlockChainVersion ensures that an incompatible database forces a resync from scratch.
 	BlockChainVersion = 3
-	badBlockLimit     = 10
 )
 
 // BlockChain represents the canonical chain given a database with a genesis
@@ -478,7 +478,7 @@ func (bc *BlockChain) insert(block *types.Block) {
 	}
 }
 
-// Genesis Accessors
+// Genesis retrieves the chain's genesis block.
 func (bc *BlockChain) Genesis() *types.Block {
 	return bc.genesisBlock
 }
@@ -1169,7 +1169,7 @@ func (bc *BlockChain) reorg(oldBlock, newBlock *types.Block) error {
 		log.Error("Impossible reorg, please file an issue", "oldnum", oldBlock.Number(), "oldhash", oldBlock.Hash(), "newnum", newBlock.Number(), "newhash", newBlock.Hash())
 	}
 	var addedTxs types.Transactions
-	// insert blocks. Order does not matter. Last block will be written in ImportChain itbc which creates the new head properly
+	// insert blocks. Order does not matter. Last block will be written in ImportChain itself which creates the new head properly
 	for _, block := range newChain {
 		// insert the block in the canonical way, re-writing history
 		bc.insert(block)
diff --git a/core/tx_pool.go b/core/tx_pool.go
index 228563ed0..6f67aaa0a 100644
--- a/core/tx_pool.go
+++ b/core/tx_pool.go
@@ -209,7 +209,7 @@ func (pool *TxPool) resetState() {
 	pool.promoteExecutables(currentState)
 }
 
-// Stop stops a TxPool
+// Stop terminates the transaction pool.
 func (pool *TxPool) Stop() {
 	pool.events.Unsubscribe()
 	close(pool.quit)
@@ -239,7 +239,7 @@ func (pool *TxPool) SetGasPrice(price *big.Int) {
 	log.Info("Transaction pool price threshold updated", "price", price)
 }
 
-// State returns the state of TxPool
+// State returns the virtual managed state of the transaction pool.
 func (pool *TxPool) State() *state.ManagedState {
 	pool.mu.RLock()
 	defer pool.mu.RUnlock()
diff --git a/core/vm/interpreter.go b/core/vm/interpreter.go
index 17edc9e33..545f7d650 100644
--- a/core/vm/interpreter.go
+++ b/core/vm/interpreter.go
@@ -91,7 +91,7 @@ func (in *Interpreter) enforceRestrictions(op OpCode, operation operation, stack
 }
 
 // Run loops and evaluates the contract's code with the given input data and returns
-// the return byte-slice and an error if one occured.
+// the return byte-slice and an error if one occurred.
 //
 // It's important to note that any errors returned by the interpreter should be
 // considered a revert-and-consume-all-gas operation. No error specific checks
-- 
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