mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
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50 lines
997 B
Go
50 lines
997 B
Go
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//
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// Copyright Coinbase, Inc. All Rights Reserved.
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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package mina
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import (
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"fmt"
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"source.quilibrium.com/quilibrium/monorepo/nekryptology/pkg/core/curves/native/pasta/fp"
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"source.quilibrium.com/quilibrium/monorepo/nekryptology/pkg/core/curves/native/pasta/fq"
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)
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// Signature is a Mina compatible signature either for payment or delegation
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type Signature struct {
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R *fp.Fp
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S *fq.Fq
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}
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func (sig Signature) MarshalBinary() ([]byte, error) {
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var buf [64]byte
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rx := sig.R.Bytes()
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s := sig.S.Bytes()
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copy(buf[:32], rx[:])
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copy(buf[32:], s[:])
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return buf[:], nil
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}
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func (sig *Signature) UnmarshalBinary(input []byte) error {
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if len(input) != 64 {
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return fmt.Errorf("invalid byte sequence")
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}
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var buf [32]byte
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copy(buf[:], input[:32])
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rx, err := new(fp.Fp).SetBytes(&buf)
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if err != nil {
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return err
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}
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copy(buf[:], input[32:])
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s, err := new(fq.Fq).SetBytes(&buf)
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if err != nil {
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return err
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}
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sig.R = rx
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sig.S = s
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return nil
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}
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