From 9b8e66235752d5334a10023f9e00218904d746e8 Mon Sep 17 00:00:00 2001
From: Jhih-Ming Huang <jm.huang@cobinhood.com>
Date: Wed, 3 Apr 2019 17:17:21 +0800
Subject: core: vm: sqlvm: ast: decimal decode for bool

---
 core/vm/sqlvm/ast/types.go                 |  5 +++++
 core/vm/sqlvm/runtime/instructions_test.go | 13 ++++++++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

(limited to 'core')

diff --git a/core/vm/sqlvm/ast/types.go b/core/vm/sqlvm/ast/types.go
index 9bb48bc65..5f7f1b886 100644
--- a/core/vm/sqlvm/ast/types.go
+++ b/core/vm/sqlvm/ast/types.go
@@ -385,6 +385,11 @@ func DecimalDecode(dt DataType, b []byte) (decimal.Decimal, error) {
 		return decimalDecode(true, b), nil
 	case DataTypeMajorUint:
 		return decimalDecode(false, b), nil
+	case DataTypeMajorBool:
+		if b[0] == 0 {
+			return dec.False, nil
+		}
+		return dec.True, nil
 	}
 	switch {
 	case major.IsFixedRange():
diff --git a/core/vm/sqlvm/runtime/instructions_test.go b/core/vm/sqlvm/runtime/instructions_test.go
index b679c366f..576a7783a 100644
--- a/core/vm/sqlvm/runtime/instructions_test.go
+++ b/core/vm/sqlvm/runtime/instructions_test.go
@@ -14,6 +14,7 @@ import (
 	"github.com/dexon-foundation/dexon/core/vm"
 	"github.com/dexon-foundation/dexon/core/vm/sqlvm/ast"
 	"github.com/dexon-foundation/dexon/core/vm/sqlvm/common"
+	dec "github.com/dexon-foundation/dexon/core/vm/sqlvm/common/decimal"
 	"github.com/dexon-foundation/dexon/core/vm/sqlvm/errors"
 	"github.com/dexon-foundation/dexon/core/vm/sqlvm/schema"
 	"github.com/dexon-foundation/dexon/crypto"
@@ -99,6 +100,16 @@ func setSlotDataInStateDB(head dexCommon.Hash, addr dexCommon.Address,
 			major:     ast.DataTypeMajorUint,
 			minor:     ast.DataTypeMinor(7),
 		},
+		{
+			Raw: Raw{
+				Value: dec.False,
+				Bytes: nil,
+			},
+			slotShift: 0,
+			byteShift: 10,
+			major:     ast.DataTypeMajorBool,
+			minor:     ast.DataTypeMinor(0),
+		},
 		{
 			Raw: Raw{
 				Bytes: []byte("Hello, world!"),
@@ -158,7 +169,7 @@ func setSlotDataInStateDB(head dexCommon.Hash, addr dexCommon.Address,
 	}
 
 	// set dynamic bytes data
-	longDBytesLoc := 5
+	longDBytesLoc := 6
 	longRaw := raws[longDBytesLoc]
 	hash.SetBytes(longRaw.Bytes)
 	ptr = storage.ShiftHashUint64(head, uint64(longRaw.slotShift))
-- 
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