add references in readme

fluency03 · May 9, 2018 · 46be579 · 46be579
1 parent 23089af
commit 46be579
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diff --git a/README.md b/README.md
@@ -97,6 +97,13 @@ POST /generic/time-from-epoch
 
 
 
+## References
+
+- [Bitcoin White Paper](https://bitcoin.org/bitcoin.pdf)
+- [bitcoin.org](https://bitcoin.org/en/)
+- [Mastering Bitcoin: Unlocking Digital Crypto-Currencies, Andreas M. Antonopoulos](https://bitcoinbook.info/)
+
+
 ## Todos
 
 - Complete APIs' Todos

diff --git a/src/main/scala/com/github/fluency03/blockchain/package.scala b/src/main/scala/com/github/fluency03/blockchain/package.scala
@@ -17,6 +17,10 @@ package object blockchain {
 
   type Bytes = Array[Byte]
   type UTXO = (TxIn, TxOut)
+  type Hex = String
+  type Binary = String
+  type Base64 = String
+  type Base58 = String
 
   implicit val formats: AnyRef with Formats = Serialization.formats(NoTypeHints)
 
@@ -40,7 +44,7 @@ package object blockchain {
   implicit class StringImplicit(val str: String) {
     def hex2Long: Long = java.lang.Long.parseLong(str, 16)
     def hex2BigInt: BigInt = BigInt(str, 16)
-    def hex2Bytes: Array[Byte] = Hex.decode(str)
+    def hex2Bytes: Bytes = Hex.decode(str)
     def hex2Binary: String = binaryOfHex(str)
     def toBase64: String = base64Of(str.getBytes)
     def toSha256: String = SHA256.hash(str)