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98 lines
2.4 KiB
98 lines
2.4 KiB
package crypto
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import (
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"bytes"
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"fmt"
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"github.com/tendermint/go-wire"
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data "github.com/tendermint/go-wire/data"
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. "github.com/tendermint/tmlibs/common"
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)
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func SignatureFromBytes(sigBytes []byte) (sig Signature, err error) {
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err = wire.ReadBinaryBytes(sigBytes, &sig)
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return
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}
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//----------------------------------------
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// DO NOT USE THIS INTERFACE.
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// You probably want to use Signature.
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// +gen wrapper:"Signature,Impl[SignatureEd25519,SignatureSecp256k1],ed25519,secp256k1"
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type SignatureInner interface {
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AssertIsSignatureInner()
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Bytes() []byte
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IsZero() bool
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String() string
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Equals(Signature) bool
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Wrap() Signature
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}
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//-------------------------------------
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var _ SignatureInner = SignatureEd25519{}
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// Implements Signature
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type SignatureEd25519 [64]byte
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func (sig SignatureEd25519) AssertIsSignatureInner() {}
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func (sig SignatureEd25519) Bytes() []byte {
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return wire.BinaryBytes(Signature{sig})
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}
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func (sig SignatureEd25519) IsZero() bool { return len(sig) == 0 }
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func (sig SignatureEd25519) String() string { return fmt.Sprintf("/%X.../", Fingerprint(sig[:])) }
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func (sig SignatureEd25519) Equals(other Signature) bool {
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if otherEd, ok := other.Unwrap().(SignatureEd25519); ok {
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return bytes.Equal(sig[:], otherEd[:])
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} else {
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return false
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}
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}
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func (sig SignatureEd25519) MarshalJSON() ([]byte, error) {
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return data.Encoder.Marshal(sig[:])
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}
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func (sig *SignatureEd25519) UnmarshalJSON(enc []byte) error {
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var ref []byte
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err := data.Encoder.Unmarshal(&ref, enc)
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copy(sig[:], ref)
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return err
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}
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//-------------------------------------
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var _ SignatureInner = SignatureSecp256k1{}
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// Implements Signature
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type SignatureSecp256k1 []byte
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func (sig SignatureSecp256k1) AssertIsSignatureInner() {}
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func (sig SignatureSecp256k1) Bytes() []byte {
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return wire.BinaryBytes(Signature{sig})
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}
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func (sig SignatureSecp256k1) IsZero() bool { return len(sig) == 0 }
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func (sig SignatureSecp256k1) String() string { return fmt.Sprintf("/%X.../", Fingerprint(sig[:])) }
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func (sig SignatureSecp256k1) Equals(other Signature) bool {
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if otherEd, ok := other.Unwrap().(SignatureSecp256k1); ok {
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return bytes.Equal(sig[:], otherEd[:])
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} else {
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return false
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}
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}
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func (sig SignatureSecp256k1) MarshalJSON() ([]byte, error) {
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return data.Encoder.Marshal(sig)
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}
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func (sig *SignatureSecp256k1) UnmarshalJSON(enc []byte) error {
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return data.Encoder.Unmarshal((*[]byte)(sig), enc)
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}
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