Merge pull request #1270 from smartcontractkit/bug/light-clients

Remove required logIndex and transactionIndex for light client support

Author: jleeh

core/store/models/eth.go

@@ -36,11 +36,11 @@ type Log struct {
 	// hash of the transaction
 	TxHash common.Hash `json:"transactionHash"`
 	// index of the transaction in the block
-	TxIndex uint `json:"transactionIndex" gencodec:"required"`
+	TxIndex uint `json:"transactionIndex"`
 	// hash of the block in which the transaction was included
 	BlockHash common.Hash `json:"blockHash"`
 	// index of the log in the receipt
-	Index uint `json:"logIndex" gencodec:"required"`
+	Index uint `json:"logIndex"`
 
 	// The Removed field is true if this log was reverted due to a chain reorganisation.
 	// You must pay attention to this field if you receive logs through a filter query.