From 73c355591fe0279334675c555b6d614aa25b6781 Mon Sep 17 00:00:00 2001
From: Felix Lange <fjl@twurst.com>
Date: Tue, 9 Jun 2015 17:03:07 +0200
Subject: core, eth: document that result of GetTransactions is modifiable

---
 eth/protocol.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'eth')

diff --git a/eth/protocol.go b/eth/protocol.go
index 9ccf2cb60..57805d9bd 100644
--- a/eth/protocol.go
+++ b/eth/protocol.go
@@ -57,10 +57,12 @@ var errorToString = map[int]string{
 	ErrSuspendedPeer:           "Suspended peer",
 }
 
-// backend is the interface the ethereum protocol backend should implement
-// used as an argument to EthProtocol
 type txPool interface {
+	// AddTransactions should add the given transactions to the pool.
 	AddTransactions([]*types.Transaction)
+
+	// GetTransactions should return pending transactions.
+	// The slice should be modifiable by the caller.
 	GetTransactions() types.Transactions
 }
 
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