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vm: support uint8 and uint64 in makeStackItem()

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Convenience to avoid casts, uint64 is also a bit special in that it can't be
converted to int64 without data loss.
This commit is contained in:
Roman Khimov 2019-10-10 16:47:27 +03:00
parent 6b70c5f2bd
commit acb7ef7fbd
1 changed files with 13 additions and 0 deletions
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13
pkg/vm/stack_item.go
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@ -1,6 +1,7 @@
package vm package vm
import ( import (
"encoding/binary"
"encoding/json" "encoding/json"
"fmt" "fmt"
"math/big" "math/big"
@ -23,6 +24,10 @@ func makeStackItem(v interface{}) StackItem {
return &BigIntegerItem{ return &BigIntegerItem{
value: big.NewInt(val), value: big.NewInt(val),
} }
case uint8:
return &BigIntegerItem{
value: big.NewInt(int64(val)),
}
case uint16: case uint16:
return &BigIntegerItem{ return &BigIntegerItem{
value: big.NewInt(int64(val)), value: big.NewInt(int64(val)),
@ -31,6 +36,14 @@ func makeStackItem(v interface{}) StackItem {
return &BigIntegerItem{ return &BigIntegerItem{
value: big.NewInt(int64(val)), value: big.NewInt(int64(val)),
} }
case uint64:
b := make([]byte, 8)
binary.BigEndian.PutUint64(b, val)
bigInt := big.NewInt(0)
bigInt.SetBytes(b)
return &BigIntegerItem{
value: bigInt,
}
case []byte: case []byte:
return &ByteArrayItem{ return &ByteArrayItem{
value: val, value: val,