Address (#213)

[bytom/bytom.git] / protocol / vm / vmutil / script.go

diff --git a/protocol/vm/vmutil/script.go b/protocol/vm/vmutil/script.go
index 13539fd..1772b73 100644 (file)
--- a/protocol/vm/vmutil/script.go
+++ b/protocol/vm/vmutil/script.go
@@ -52,6 +52,18 @@ func CoinbaseProgram(pubkeys []ed25519.PublicKey, nrequired int, height uint64)
        return builder.Build()
 }
 
+func P2PKHSigProgram(pubkeyHash []byte) ([]byte, error) {
+       builder := NewBuilder()
+       builder.AddOp(vm.OP_DUP)
+       builder.AddOp(vm.OP_HASH160)
+       builder.AddData(pubkeyHash)
+       builder.AddOp(vm.OP_EQUALVERIFY)
+       builder.AddOp(vm.OP_TXSIGHASH)
+       builder.AddOp(vm.OP_SWAP)
+       builder.AddOp(vm.OP_CHECKSIG)
+       return builder.Build()
+}
+
 // P2SPMultiSigProgram generates the script for contorl transaction output
 func P2SPMultiSigProgram(pubkeys []ed25519.PublicKey, nrequired int) ([]byte, error) {
        builder := NewBuilder()