mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2025-01-15 22:48:19 +00:00
211d9bc0b9
* fix build from source * clean up * update again * change everything * workaround for now * fix versioning * all passing now * fix build issues * clean up * revert use of MulVerify * gaz * stub * Apply suggestions from code review Co-authored-by: Preston Van Loon <preston@prysmaticlabs.com> * fix all * fix test * todo * fix stub * revert back * make deep source happy * Update shared/bls/herumi/public_key.go * Update shared/bls/blst/signature.go * Update shared/bls/blst/signature_test.go * imports * move iface to common, export errors * rm iface build Co-authored-by: Preston Van Loon <preston@prysmaticlabs.com> Co-authored-by: terence tsao <terence@prysmaticlabs.com>
211 lines
8.3 KiB
Go
211 lines
8.3 KiB
Go
package herumi
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import (
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"errors"
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"testing"
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bls12 "github.com/herumi/bls-eth-go-binary/bls"
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"github.com/prysmaticlabs/prysm/shared/bls/common"
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"github.com/prysmaticlabs/prysm/shared/testutil/assert"
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"github.com/prysmaticlabs/prysm/shared/testutil/require"
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)
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func TestSignVerify(t *testing.T) {
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priv, err := RandKey()
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require.NoError(t, err)
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pub := priv.PublicKey()
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msg := []byte("hello")
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sig := priv.Sign(msg)
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assert.DeepEqual(t, true, sig.Verify(pub, msg))
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}
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func TestAggregateVerify(t *testing.T) {
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pubkeys := make([]common.PublicKey, 0, 100)
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sigs := make([]common.Signature, 0, 100)
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var msgs [][32]byte
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for i := 0; i < 100; i++ {
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msg := [32]byte{'h', 'e', 'l', 'l', 'o', byte(i)}
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priv, err := RandKey()
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require.NoError(t, err)
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pub := priv.PublicKey()
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sig := priv.Sign(msg[:])
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pubkeys = append(pubkeys, pub)
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sigs = append(sigs, sig)
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msgs = append(msgs, msg)
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}
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aggSig := Aggregate(sigs)
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assert.DeepEqual(t, true, aggSig.AggregateVerify(pubkeys, msgs))
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}
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func TestFastAggregateVerify(t *testing.T) {
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pubkeys := make([]common.PublicKey, 0, 100)
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sigs := make([]common.Signature, 0, 100)
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msg := [32]byte{'h', 'e', 'l', 'l', 'o'}
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for i := 0; i < 100; i++ {
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priv, err := RandKey()
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require.NoError(t, err)
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pub := priv.PublicKey()
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sig := priv.Sign(msg[:])
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pubkeys = append(pubkeys, pub)
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sigs = append(sigs, sig)
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}
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aggSig := AggregateSignatures(sigs)
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assert.DeepEqual(t, true, aggSig.FastAggregateVerify(pubkeys, msg))
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}
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func TestMultipleSignatureVerification(t *testing.T) {
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pubkeys := make([]common.PublicKey, 0, 100)
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sigs := make([]common.Signature, 0, 100)
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var msgs [][32]byte
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for i := 0; i < 100; i++ {
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msg := [32]byte{'h', 'e', 'l', 'l', 'o', byte(i)}
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priv, err := RandKey()
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require.NoError(t, err)
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pub := priv.PublicKey()
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sig := priv.Sign(msg[:])
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pubkeys = append(pubkeys, pub)
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sigs = append(sigs, sig)
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msgs = append(msgs, msg)
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}
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verify, err := VerifyMultipleSignatures(sigs, msgs, pubkeys)
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assert.NoError(t, err)
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assert.Equal(t, true, verify, "Signature did not verify")
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}
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func TestMultipleSignatureVerification_FailsCorrectly(t *testing.T) {
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pubkeys := make([]common.PublicKey, 0, 100)
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sigs := make([]common.Signature, 0, 100)
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var msgs [][32]byte
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for i := 0; i < 100; i++ {
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msg := [32]byte{'h', 'e', 'l', 'l', 'o', byte(i)}
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priv, err := RandKey()
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require.NoError(t, err)
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pub := priv.PublicKey()
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sig := priv.Sign(msg[:])
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pubkeys = append(pubkeys, pub)
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sigs = append(sigs, sig)
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msgs = append(msgs, msg)
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}
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// We mess with the last 2 signatures, where we modify their values
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// such that they wqould not fail in aggregate signature verification.
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lastSig := sigs[len(sigs)-1]
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secondLastSig := sigs[len(sigs)-2]
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// Convert to bls object
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rawSig := new(bls12.Sign)
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require.NoError(t, rawSig.Deserialize(secondLastSig.Marshal()))
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rawSig2 := new(bls12.Sign)
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require.NoError(t, rawSig2.Deserialize(lastSig.Marshal()))
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// set random field prime value
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fprime := new(bls12.Fp)
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fprime.SetInt64(100)
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// set random field prime value.
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fprime2 := new(bls12.Fp)
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fprime2.SetInt64(50)
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// make a combined fp2 object.
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fp2 := new(bls12.Fp2)
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fp2.D = [2]bls12.Fp{*fprime, *fprime2}
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g2Point := new(bls12.G2)
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require.NoError(t, bls12.MapToG2(g2Point, fp2))
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// We now add/subtract the respective g2 points by a fixed
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// value. This would cause singluar verification to fail but
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// not aggregate verification.
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firstG2 := bls12.CastFromSign(rawSig)
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secondG2 := bls12.CastFromSign(rawSig2)
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bls12.G2Add(firstG2, firstG2, g2Point)
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bls12.G2Sub(secondG2, secondG2, g2Point)
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lastSig, err := SignatureFromBytes(rawSig.Serialize())
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require.NoError(t, err)
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secondLastSig, err = SignatureFromBytes(rawSig2.Serialize())
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require.NoError(t, err)
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sigs[len(sigs)-1] = lastSig
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sigs[len(sigs)-2] = secondLastSig
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// This method is expected to pass, as it would not
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// be able to detect bad signatures
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aggSig := AggregateSignatures(sigs)
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if !aggSig.AggregateVerify(pubkeys, msgs) {
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t.Error("Signature did not verify")
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}
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// This method would be expected to fail.
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verify, err := VerifyMultipleSignatures(sigs, msgs, pubkeys)
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assert.NoError(t, err)
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assert.Equal(t, false, verify, "Signature verified when it was not supposed to")
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}
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func TestFastAggregateVerify_ReturnsFalseOnEmptyPubKeyList(t *testing.T) {
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var pubkeys []common.PublicKey
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msg := [32]byte{'h', 'e', 'l', 'l', 'o'}
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aggSig := NewAggregateSignature()
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if aggSig.FastAggregateVerify(pubkeys, msg) != false {
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t.Error("Expected FastAggregateVerify to return false with empty input " +
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"of public keys.")
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}
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}
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func TestSignatureFromBytes(t *testing.T) {
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tests := []struct {
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name string
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input []byte
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err error
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}{
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{
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name: "Nil",
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err: errors.New("signature must be 96 bytes"),
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},
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{
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name: "Empty",
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input: []byte{},
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err: errors.New("signature must be 96 bytes"),
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},
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{
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name: "Short",
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input: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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err: errors.New("signature must be 96 bytes"),
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},
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{
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name: "Long",
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input: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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err: errors.New("signature must be 96 bytes"),
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},
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{
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name: "Bad",
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input: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
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err: errors.New("could not unmarshal bytes into signature: err blsSignatureDeserialize 000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"),
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},
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{
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name: "Good",
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input: []byte{0xab, 0xb0, 0x12, 0x4c, 0x75, 0x74, 0xf2, 0x81, 0xa2, 0x93, 0xf4, 0x18, 0x5c, 0xad, 0x3c, 0xb2, 0x26, 0x81, 0xd5, 0x20, 0x91, 0x7c, 0xe4, 0x66, 0x65, 0x24, 0x3e, 0xac, 0xb0, 0x51, 0x00, 0x0d, 0x8b, 0xac, 0xf7, 0x5e, 0x14, 0x51, 0x87, 0x0c, 0xa6, 0xb3, 0xb9, 0xe6, 0xc9, 0xd4, 0x1a, 0x7b, 0x02, 0xea, 0xd2, 0x68, 0x5a, 0x84, 0x18, 0x8a, 0x4f, 0xaf, 0xd3, 0x82, 0x5d, 0xaf, 0x6a, 0x98, 0x96, 0x25, 0xd7, 0x19, 0xcc, 0xd2, 0xd8, 0x3a, 0x40, 0x10, 0x1f, 0x4a, 0x45, 0x3f, 0xca, 0x62, 0x87, 0x8c, 0x89, 0x0e, 0xca, 0x62, 0x23, 0x63, 0xf9, 0xdd, 0xb8, 0xf3, 0x67, 0xa9, 0x1e, 0x84},
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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res, err := SignatureFromBytes(test.input)
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if test.err != nil {
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assert.ErrorContains(t, test.err.Error(), err)
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} else {
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assert.NoError(t, err)
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assert.DeepEqual(t, test.input, res.Marshal())
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}
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})
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}
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}
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func TestCopy(t *testing.T) {
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signatureA := &Signature{s: bls12.HashAndMapToSignature([]byte("foo"))}
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signatureB, ok := signatureA.Copy().(*Signature)
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require.Equal(t, true, ok)
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assert.NotEqual(t, signatureA, signatureB)
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assert.NotEqual(t, signatureA.s, signatureB.s)
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assert.DeepEqual(t, signatureA, signatureB)
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signatureA.s.Add(bls12.HashAndMapToSignature([]byte("bar")))
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assert.DeepNotEqual(t, signatureA, signatureB)
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}
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