simplify synopsis

Author: Lucien Grondin

README.md

@@ -1,6 +1,6 @@
 # Bitcoin bash tools
 
-This is a set of bash functions to manipulate bitcoin addresses, but mostly to generate keys for cold storage.
+This is a set of bash functions to generate bitcoin private keys and addresses.
 
 When I first conceived these functions, tools like
 [sx](https://sx.dyne.org/index.html) or its successor
@@ -11,37 +11,23 @@ utility does everything that I wanted to do and more, except it's not written in
 I like bash for its ''out-of-the-box'' availibility in a GNU system, so I will likely continue
 to developp bitcoin-bash-tools, aiming at making it a translation of bx into bash.
 
-
 ## Synopsis
 
     $ git clone https://github.com/grondilu/bitcoin-bash-tools.git
     $ cd bitcoin-bash-tools/
     $ . bitcoin.sh
 
-    $ let -i a=RANDOM b=RANDOM
-    $ secp256k1 $a
-    $ secp256k1 $b
-    $ for i in $a $b; do secp256k1 $i; done | secp256k1
-    $ secp256k1 $((a+b))
-
-    $ # Bitcoin book, chap. 04, example 6 :
-    $ prv=3aba4162c7251c891207b747840551a71939b0de081f85c4e44cf7c13e41daa6
-    $ secp256k1 "$prv"
-    025C0DE3B9C8AB18DD04E3511243EC2952002DBFADC864B9628910169D9B9B00EC 
-    $ bitcoinAddress "$(!!)"
-    14cxpo3MBCYYWCgF74SWTdcmxipnGUsPw3
-    $ bitcoinAddress "$(secp256k1 -u "$prv")"
-    1thMirt546nngXqyPEz532S8fLwbozud8
-    $ newBitcoinKey -u "$prv"
-    5JG9hT3beGTJuUAmCQEmNaxAuMacCTfXuw1R3FCXig23RQHMr4K
-    $ newBitcoinKey "$prv"
-    KyBsPXxTuVD82av65KZkrGrWi5qLMah5SdNq6uftawDbgKa2wv6S
+    $ newBitcoinKey
 
     $ . bip-0032.sh
     $ openssl rand 64 > entropy
     $ m="$(bip32 < entropy)"
     $ bip32 $m/N
     $ bip32 $m/0h/5/7
+    
+    $ . bip-0173.sh
+    $ segwitAddress -p 0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798
+    $ bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4
 
     $ prove t/*.t.sh