49 lines
1.5 KiB
Go
49 lines
1.5 KiB
Go
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package privatekey
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import (
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"encoding/hex"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestPrivateKeyToPublicKey(t *testing.T) {
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input := "495d528227c7dcc234c690af1222e67cde916dac1652cad97e0263825a8268a6"
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privateKey, err := NewPrivateKeyFromHex(input)
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if err != nil {
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t.Fatal(err)
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}
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pubKey, _ := privateKey.PublicKey()
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pubKeyBytes := pubKey.Bytes()
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actual := hex.EncodeToString(pubKeyBytes)
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expected := "03cd4c4ee9c8e1fae9d12ecf7c96cb3a057b550393f9e82182c4dae1139871682e"
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assert.Equal(t, expected, actual)
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}
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func TestWIFEncode(t *testing.T) {
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input := "29bbf53185a973d2e3803cb92908fd08117486d1f2e7bab73ed0d00255511637"
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inputBytes, _ := hex.DecodeString(input)
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actual := WIFEncode(inputBytes)
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expected := "KxcqV28rGDcpVR3fYg7R9vricLpyZ8oZhopyFLAWuRv7Y8TE9WhW"
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assert.Equal(t, expected, actual)
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}
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func TestSigning(t *testing.T) {
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// These were taken from the rfcPage:https://tools.ietf.org/html/rfc6979#page-33
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// public key: U = xG
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//Ux = 60FED4BA255A9D31C961EB74C6356D68C049B8923B61FA6CE669622E60F29FB6
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//Uy = 7903FE1008B8BC99A41AE9E95628BC64F2F1B20C2D7E9F5177A3C294D4462299
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PrivateKey, _ := NewPrivateKeyFromHex("C9AFA9D845BA75166B5C215767B1D6934E50C3DB36E89B127B8A622B120F6721")
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data, err := PrivateKey.Sign([]byte("sample"))
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if err != nil {
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t.Fatal(err)
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}
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r := "EFD48B2AACB6A8FD1140DD9CD45E81D69D2C877B56AAF991C34D0EA84EAF3716"
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s := "F7CB1C942D657C41D436C7A1B6E29F65F3E900DBB9AFF4064DC4AB2F843ACDA8"
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assert.Equal(t, strings.ToLower(r+s), hex.EncodeToString(data))
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}
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