forked from TrueCloudLab/neoneo-go
82 lines
2.9 KiB
Go
82 lines
2.9 KiB
Go
package interop
|
|
|
|
import "github.com/nspcc-dev/neo-go/pkg/interop/neogointernal"
|
|
|
|
const (
|
|
// Hash160Len is the length of proper Hash160 in bytes, use it to
|
|
// sanitize input parameters.
|
|
Hash160Len = 20
|
|
// Hash256Len is the length of proper Hash256 in bytes, use it to
|
|
// sanitize input parameters.
|
|
Hash256Len = 32
|
|
// PublicKeyCompressedLen is the length of compressed public key (which
|
|
// is the most common public key type), use it to sanitize input
|
|
// parameters.
|
|
PublicKeyCompressedLen = 33
|
|
// PublicKeyUncompressedLen is the length of uncompressed public key
|
|
// (but you're not likely to ever encounter that), use it to sanitize
|
|
// input parameters.
|
|
PublicKeyUncompressedLen = 65
|
|
// SignatureLen is the length of standard signature, use it to sanitize
|
|
// input parameters.
|
|
SignatureLen = 64
|
|
)
|
|
|
|
// Signature represents 64-byte signature.
|
|
type Signature []byte
|
|
|
|
// Hash160 represents 20-byte hash.
|
|
type Hash160 []byte
|
|
|
|
// Hash256 represents 32-byte hash.
|
|
type Hash256 []byte
|
|
|
|
// PublicKey represents marshalled ecdsa public key.
|
|
type PublicKey []byte
|
|
|
|
// Interface represents interop interface type which is needed for
|
|
// transparent handling of VM-internal types (e.g. storage.Context).
|
|
type Interface interface{}
|
|
|
|
// Equals compares Hash160 with the provided stackitem using EQUAL opcode.
|
|
// The provided stackitem `b` must be either one of the primitive type (int,
|
|
// bool, string, []byte) or derived from the primitive type, otherwise Equals
|
|
// will fail on .(string) conversion.
|
|
func (a Hash160) Equals(b interface{}) bool {
|
|
ha := interface{}(a)
|
|
return bytesEquals(ha, b)
|
|
}
|
|
|
|
// Equals compares Hash256 with the provided stackitem using EQUAL opcode.
|
|
// The provided stackitem `b` must be either one of the primitive type (int,
|
|
// bool, string, []byte) or derived from the primitive type, otherwise Equals
|
|
// will fail on .(string) conversion.
|
|
func (a Hash256) Equals(b interface{}) bool {
|
|
ha := interface{}(a)
|
|
return bytesEquals(ha, b)
|
|
}
|
|
|
|
// Equals compares PublicKey with the provided stackitem using EQUAL opcode.
|
|
// The provided stackitem `b` must be either one of the primitive type (int,
|
|
// bool, string, []byte) or derived from the primitive type, otherwise Equals
|
|
// will fail on .(string) conversion.
|
|
func (a PublicKey) Equals(b interface{}) bool {
|
|
ha := interface{}(a)
|
|
return bytesEquals(ha, b)
|
|
}
|
|
|
|
// Equals compares Signature with the provided stackitem using EQUAL opcode.
|
|
// The provided stackitem `b` must be either one of the primitive types (int,
|
|
// bool, string, []byte) or derived from the primitive type, otherwise Equals
|
|
// will fail on .(string) conversion.
|
|
func (a Signature) Equals(b interface{}) bool {
|
|
ha := interface{}(a)
|
|
return bytesEquals(ha, b)
|
|
}
|
|
|
|
// bytesEquals is an internal helper function allowed to compare types that can be
|
|
// converted to ByteString.
|
|
func bytesEquals(a interface{}, b interface{}) bool {
|
|
return (a == nil && b == nil) ||
|
|
(a != nil && b != nil && neogointernal.Opcode2("EQUAL", a.(string), b.(string)).(bool))
|
|
}
|