2021-09-17 01:32:23 +00:00
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package bls
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import (
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"bytes"
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"encoding/hex"
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"strings"
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"testing"
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"github.com/ghodss/yaml"
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2023-03-17 18:52:56 +00:00
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"github.com/prysmaticlabs/prysm/v4/testing/bls/utils"
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"github.com/prysmaticlabs/prysm/v4/testing/require"
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2021-09-17 01:32:23 +00:00
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blst "github.com/supranational/blst/bindings/go"
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)
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func TestHashToG2(t *testing.T) {
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t.Run("blst", testHashToG2)
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}
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func testHashToG2(t *testing.T) {
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t.Skip("Hash To G2 needs co-ordinates exposed")
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fNames, fContent := utils.RetrieveFiles("hash_to_G2", t)
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for i, file := range fNames {
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content := fContent[i]
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t.Run(file, func(t *testing.T) {
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test := &HashToG2Test{}
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require.NoError(t, yaml.Unmarshal(content, test))
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msgBytes := []byte(test.Input.Message)
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splitX := strings.Split(test.Output.X, ",")
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outputX, err := hex.DecodeString(splitX[0][2:])
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require.NoError(t, err)
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point := blst.HashToG2(msgBytes, nil)
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val := point.Compress()
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if !bytes.Equal(val, outputX) {
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t.Fatalf("Retrieved X value does not match output. "+
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"Expected %#v but received %#v for test case %d", outputX, val, i)
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}
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t.Log("Success")
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})
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}
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}
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