Implemented first few methods via public api

ethpub/pub.go

@@ -87,7 +87,7 @@ func (lib *PEthereum) createTx(key, recipient, valueStr, gasStr, gasPriceStr, in
 		tx = ethchain.NewContractCreationTx(value, gas, gasPrice, mainScript, initScript)
 	} else {
 		// Just in case it was submitted as a 0x prefixed string
-		if initStr[0:2] == "0x" {
+		if len(initStr) > 0 && initStr[0:2] == "0x" {
 			initStr = initStr[2:len(initStr)]
 		}
 		tx = ethchain.NewTransactionMessage(hash, value, gas, gasPrice, ethutil.FromHex(initStr))

ethpub/types.go

@@ -8,8 +8,8 @@ import (
 
 // Block interface exposed to QML
 type PBlock struct {
-	Number int
-	Hash   string
+	Number int    `json:"number"`
+	Hash   string `json:"hash"`
 }
 
 // Creates a new QML Block from a chain block
@@ -44,10 +44,10 @@ func NewPKey(key *ethchain.KeyPair) *PKey {
 }
 
 type PReceipt struct {
-	CreatedContract bool
-	Address         string
-	Hash            string
-	Sender          string
+	CreatedContract bool   `json:"createdContract"`
+	Address         string `json:"address"`
+	Hash            string `json:"hash"`
+	Sender          string `json:"sender"`
 }
 
 func NewPReciept(contractCreation bool, creationAddress, hash, address []byte) *PReceipt {