diff --git a/Roulette/Roulette.go b/Roulette/Roulette.go
index 96d0147..461f218 100644
--- a/Roulette/Roulette.go
+++ b/Roulette/Roulette.go
@@ -21,7 +21,7 @@ func _deploy(data interface{}, isUpdate bool) {
 	})
 
 	if len(args.zaCoinHash) != interop.Hash160Len {
-		panic("invalid hash of zaCoin contract")
+		panic("Invalid hash of zaCoin contract")
 	}
 
 	ctx := storage.GetContext()
diff --git a/Roulette/config.json b/Roulette/config.json
index 1c2037e..6c012d5 100755
--- a/Roulette/config.json
+++ b/Roulette/config.json
@@ -1 +1 @@
-{"name":"Roulette","abi":{"methods":[{"name":"_deploy","offset":0,"parameters":[{"name":"data","type":"Any"},{"name":"isUpdate","type":"Boolean"}],"returntype":"Void","safe":false},{"name":"onNEP17Payment","offset":408,"parameters":[{"name":"from","type":"Hash160"},{"name":"amount","type":"Integer"},{"name":"data","type":"Any"}],"returntype":"Void","safe":false},{"name":"playRoulette","offset":95,"parameters":[{"name":"bet","type":"Integer"},{"name":"selectedNumber","type":"Integer"}],"returntype":"Void","safe":false}],"events":[{"name":"rouletteNumber","parameters":[{"name":"int","type":"Integer"}]}]},"features":{},"groups":[{"pubkey":"027171df30177d401c638fb2ddc14f9dbda323291e363ba4f7c3b19a8b44c8ba0a","signature":"xSD7RzJHXAPvoQfwznNSFOu0E8CWbNrWLnLNInig/J66uBky9YZlj4h1wvC0VWQFtAnTLxmuo1UVRh2NGRhAww=="}],"permissions":[{"contract":"*","methods":"*"}],"supportedstandards":[],"trusts":[],"extra":null}
\ No newline at end of file
+{"name":"Roulette","abi":{"methods":[{"name":"_deploy","offset":0,"parameters":[{"name":"data","type":"Any"},{"name":"isUpdate","type":"Boolean"}],"returntype":"Void","safe":false},{"name":"onNEP17Payment","offset":408,"parameters":[{"name":"from","type":"Hash160"},{"name":"amount","type":"Integer"},{"name":"data","type":"Any"}],"returntype":"Void","safe":false},{"name":"playRoulette","offset":95,"parameters":[{"name":"bet","type":"Integer"},{"name":"selectedNumber","type":"Integer"}],"returntype":"Void","safe":false}],"events":[{"name":"rouletteNumber","parameters":[{"name":"int","type":"Integer"}]}]},"features":{},"groups":[],"permissions":[{"contract":"*","methods":"*"}],"supportedstandards":[],"trusts":[],"extra":null}
\ No newline at end of file
diff --git a/Roulette/roulette.nef b/Roulette/roulette.nef
index c9cd256..59ff228 100755
Binary files a/Roulette/roulette.nef and b/Roulette/roulette.nef differ
diff --git a/ZaCoin/config.json b/ZaCoin/config.json
index fe17f63..182fae5 100755
--- a/ZaCoin/config.json
+++ b/ZaCoin/config.json
@@ -1 +1 @@
-{"name":"ZaCoin","abi":{"methods":[{"name":"balanceOf","offset":583,"parameters":[{"name":"holder","type":"Hash160"}],"returntype":"Integer","safe":true},{"name":"decimals","offset":559,"parameters":[],"returntype":"Integer","safe":true},{"name":"isUsableAddress","offset":254,"parameters":[{"name":"addr","type":"ByteArray"}],"returntype":"Boolean","safe":false},{"name":"mint","offset":633,"parameters":[{"name":"to","type":"Hash160"}],"returntype":"Void","safe":false},{"name":"symbol","offset":554,"parameters":[],"returntype":"String","safe":true},{"name":"totalSupply","offset":564,"parameters":[],"returntype":"Integer","safe":true},{"name":"transfer","offset":606,"parameters":[{"name":"from","type":"Hash160"},{"name":"to","type":"Hash160"},{"name":"amount","type":"Integer"},{"name":"data","type":"Any"}],"returntype":"Boolean","safe":false}],"events":[{"name":"Transfer","parameters":[{"name":"from","type":"Hash160"},{"name":"to","type":"Hash160"},{"name":"amount","type":"Integer"}]}]},"features":{},"groups":[{"pubkey":"027171df30177d401c638fb2ddc14f9dbda323291e363ba4f7c3b19a8b44c8ba0a","signature":"2YQ2Jy/KZJlg9lQyguFyOpKfY4L2HYvwHkb6XkiALhVlPFVUKXvKMF5I2u9dnIFCLvI0W9h/D/46edTwPCpLjg=="}],"permissions":[{"contract":"*","methods":["onNEP17Payment"]}],"supportedstandards":["NEP-17"],"trusts":[],"extra":null}
\ No newline at end of file
+{"name":"ZaCoin","abi":{"methods":[{"name":"balanceOf","offset":583,"parameters":[{"name":"holder","type":"Hash160"}],"returntype":"Integer","safe":true},{"name":"decimals","offset":559,"parameters":[],"returntype":"Integer","safe":true},{"name":"isUsableAddress","offset":254,"parameters":[{"name":"addr","type":"ByteArray"}],"returntype":"Boolean","safe":false},{"name":"mint","offset":633,"parameters":[{"name":"to","type":"Hash160"}],"returntype":"Void","safe":false},{"name":"symbol","offset":554,"parameters":[],"returntype":"String","safe":true},{"name":"totalSupply","offset":564,"parameters":[],"returntype":"Integer","safe":true},{"name":"transfer","offset":606,"parameters":[{"name":"from","type":"Hash160"},{"name":"to","type":"Hash160"},{"name":"amount","type":"Integer"},{"name":"data","type":"Any"}],"returntype":"Boolean","safe":false}],"events":[{"name":"Transfer","parameters":[{"name":"from","type":"Hash160"},{"name":"to","type":"Hash160"},{"name":"amount","type":"Integer"}]}]},"features":{},"groups":[],"permissions":[{"contract":"*","methods":["onNEP17Payment"]}],"supportedstandards":["NEP-17"],"trusts":[],"extra":null}
\ No newline at end of file
diff --git a/ZaCoin/zaCoin.nef b/ZaCoin/zacoin.nef
similarity index 87%
rename from ZaCoin/zaCoin.nef
rename to ZaCoin/zacoin.nef
index 28c012c..d7768ae 100755
Binary files a/ZaCoin/zaCoin.nef and b/ZaCoin/zacoin.nef differ
diff --git a/ZaCoin/zacoin_contract.go b/ZaCoin/zacoin_contract.go
index fbe5c98..7861f13 100644
--- a/ZaCoin/zacoin_contract.go
+++ b/ZaCoin/zacoin_contract.go
@@ -7,7 +7,6 @@ import (
 )
 
 func getToken() Token {
-	// Owner of the wallet is wallets/game-wallet.json нету еще
 	owner := address.ToHash160("NXbLSnHA8dNuMUPUSNNivx7XFucN1w5bRq")
 	token := Token{
 		Name:           "ZaCoin",
@@ -53,6 +52,6 @@ func Mint(to interop.Hash160) {
 	ctx := storage.GetContext()
 	minted := getToken().Mint(ctx, to)
 	if !minted {
-		panic("failed to mint initial supply")
+		panic("Failed  to mint initial supply")
 	}
 }
diff --git a/wallets/wallet1.json b/wallets/wallet1.json
index a67ecfd..49344ad 100644
--- a/wallets/wallet1.json
+++ b/wallets/wallet1.json
@@ -1 +1 @@
-{"version":"1.0","accounts":[{"address":"NhCHDEtGgSph1v6PmjFC1gtzJWNKtNSadk","key":"6PYQVTyo4PHBvegpRzSCNijGw6Zj2qN4wLVxTj5CM8nvsoYxkzBHqPzjzq","label":"wallet1","contract":{"script":"DCEDsJuqv/P2EHx+msuHIab8VhjUW1AkejFNguVIcCzOjNVBVuezJw==","parameters":[{"name":"parameter0","type":"Signature"}],"deployed":false},"lock":false,"isDefault":false}],"scrypt":{"n":16384,"r":8,"p":8},"extra":{"Tokens":null}}
\ No newline at end of file
+{"version":"1.0","accounts":[{"address":"NNkgaxu8GR6s53CYcjGkavVjJsqC4LH6J9","key":"6PYLVbnCcCCb4GA6vPShKapv9PRwwo9rPmY33wDvvrbs9mysTQrPJYaUYK","label":"","contract":{"script":"DCEDvS4Krub5RkiiMrvQ4jM1PgqDw5rlhScBziY1oCTNZ7RBVuezJw==","parameters":[{"name":"parameter0","type":"Signature"}],"deployed":false},"lock":false,"isDefault":false}],"scrypt":{"n":16384,"r":8,"p":8},"extra":{"Tokens":null}}
\ No newline at end of file
diff --git a/wallets/wallet2.json b/wallets/wallet2.json
index f14e64b..40735e5 100644
--- a/wallets/wallet2.json
+++ b/wallets/wallet2.json
@@ -1 +1 @@
-{"version":"1.0","accounts":[{"address":"NivQRezLwGP8xFPr87DD5XaYGUKK3BMsTa","key":"6PYWJrGbrRmY9eTagWhNaucN2PfuPmi1G3QStUwNX8uAtCjTs6UYj1V1J9","label":"wallet2","contract":{"script":"DCED44dZlzprtyK6q8LdhANqOfCy9T0y/sRaTazeilD+S3BBVuezJw==","parameters":[{"name":"parameter0","type":"Signature"}],"deployed":false},"lock":false,"isDefault":false}],"scrypt":{"n":16384,"r":8,"p":8},"extra":{"Tokens":null}}
\ No newline at end of file
+{"version":"1.0","accounts":[{"address":"NW3soYmG6gBDmcWnFwDZbTVcFtgHPfKy4Z","key":"6PYVqRwEt2NDWwv4BY4ExMVY4tVsdHfSjQq9PCcX7GEfzoigU3fWedp1AQ","label":"frida","contract":{"script":"DCECujzjikhCmhorLPbReBCUm685BB5wgJI2DNJ0V01Ix9VBVuezJw==","parameters":[{"name":"parameter0","type":"Signature"}],"deployed":false},"lock":false,"isDefault":false}],"scrypt":{"n":16384,"r":8,"p":8},"extra":{"Tokens":null}}
\ No newline at end of file