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native: add GetOracleInvokeScript()

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This commit is contained in:
Evgenii Stratonikov 2020-10-02 09:51:55 +03:00
parent d50a14359a
commit 17922038dc
1 changed files with 14 additions and 3 deletions
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17
pkg/core/native/oracle.go
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@ -46,15 +46,19 @@ const (
oracleRequestPrice = 5000_0000 oracleRequestPrice = 5000_0000
) )
var oracleScript []byte var (
oracleInvokeScript []byte
oracleScript []byte
)
func init() { func init() {
w := io.NewBufBinWriter() w := io.NewBufBinWriter()
emit.String(w.BinWriter, oracleName) emit.String(w.BinWriter, oracleName)
emit.Syscall(w.BinWriter, interopnames.NeoNativeCall) emit.Syscall(w.BinWriter, interopnames.NeoNativeCall)
h := hash.Hash160(w.Bytes()) oracleInvokeScript = w.Bytes()
h := hash.Hash160(oracleInvokeScript)
w.Reset() w = io.NewBufBinWriter()
emit.Int(w.BinWriter, 0) emit.Int(w.BinWriter, 0)
emit.Opcodes(w.BinWriter, opcode.NEWARRAY) emit.Opcodes(w.BinWriter, opcode.NEWARRAY)
emit.String(w.BinWriter, "finish") emit.String(w.BinWriter, "finish")
@ -79,6 +83,13 @@ var (
ErrResponseNotFound = errors.New("oracle response not found") ErrResponseNotFound = errors.New("oracle response not found")
) )
// GetOracleInvokeScript returns oracle contract script.
func GetOracleInvokeScript() []byte {
b := make([]byte, len(oracleInvokeScript))
copy(b, oracleInvokeScript)
return b
}
// GetOracleResponseScript returns script for transaction with oracle response. // GetOracleResponseScript returns script for transaction with oracle response.
func GetOracleResponseScript() []byte { func GetOracleResponseScript() []byte {
b := make([]byte, len(oracleScript)) b := make([]byte, len(oracleScript))