Merge pull request #2435 from obscuren/abi-array-fixes

accounts/abi: refactored ABI package

1 files changed, 64 insertions, 0 deletions

diff --git a/accounts/abi/reflect.go b/accounts/abi/reflect.go
new file mode 100644
index 000000000..780c64c66
--- /dev/null
+++ b/accounts/abi/reflect.go
@@ -0,0 +1,64 @@
+// Copyright 2016 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package abi
+
+import "reflect"
+
+// indirect recursively dereferences the value until it either gets the value
+// or finds a big.Int
+func indirect(v reflect.Value) reflect.Value {
+	if v.Kind() == reflect.Ptr && v.Elem().Type() != big_t {
+		return indirect(v.Elem())
+	}
+	return v
+}
+
+// reflectIntKind returns the reflect using the given size and
+// unsignedness.
+func reflectIntKind(unsigned bool, size int) reflect.Kind {
+	switch size {
+	case 8:
+		if unsigned {
+			return reflect.Uint8
+		}
+		return reflect.Int8
+	case 16:
+		if unsigned {
+			return reflect.Uint16
+		}
+		return reflect.Int16
+	case 32:
+		if unsigned {
+			return reflect.Uint32
+		}
+		return reflect.Int32
+	case 64:
+		if unsigned {
+			return reflect.Uint64
+		}
+		return reflect.Int64
+	}
+	return reflect.Ptr
+}
+
+// mustArrayToBytesSlice creates a new byte slice with the exact same size as value
+// and copies the bytes in value to the new slice.
+func mustArrayToByteSlice(value reflect.Value) reflect.Value {
+	slice := reflect.MakeSlice(reflect.TypeOf([]byte{}), value.Len(), value.Len())
+	reflect.Copy(slice, value)
+	return slice
+}