Added docs to configuration options

Author: pdyraga

pkg/chain/ethereum/config.go

@@ -39,8 +39,16 @@ type Config struct {
 
 	Account Account
 
+	// MiningCheckInterval is the interval in which transaction
+	// mining status is checked. If the transaction is not mined within this
+	// time, the gas price is increased and transaction is resubmitted.
 	MiningCheckInterval int
 
+	// MaxGasPrice specifies the maximum gas price the client is
+	// willing to pay for the transaction to be mined. The offered transaction
+	// gas price can not be higher than the max gas price value. If the maximum
+	// allowed gas price is reached, no further resubmission attempts are
+	// performed.
 	MaxGasPrice uint64
 }