mirror of https://github.com/status-im/op-geth.git
682 lines
20 KiB
Go
682 lines
20 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package abi
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import (
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"bytes"
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"fmt"
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"math/big"
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"reflect"
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"strings"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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)
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func TestSimpleMethodUnpack(t *testing.T) {
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for i, test := range []struct {
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def string // definition of the **output** ABI params
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marshalledOutput []byte // evm return data
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expectedOut interface{} // the expected output
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outVar string // the output variable (e.g. uint32, *big.Int, etc)
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err string // empty or error if expected
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}{
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{
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`[ { "type": "bool" } ]`,
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common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"),
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bool(true),
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"bool",
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"",
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},
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{
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`[ { "type": "uint32" } ]`,
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common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"),
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uint32(1),
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"uint32",
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"",
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},
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{
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`[ { "type": "uint32" } ]`,
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common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"),
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nil,
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"uint16",
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"abi: cannot unmarshal uint32 in to uint16",
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},
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{
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`[ { "type": "uint17" } ]`,
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common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"),
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nil,
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"uint16",
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"abi: cannot unmarshal *big.Int in to uint16",
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},
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{
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`[ { "type": "uint17" } ]`,
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common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"),
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big.NewInt(1),
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"*big.Int",
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"",
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},
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{
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`[ { "type": "int32" } ]`,
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common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"),
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int32(1),
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"int32",
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"",
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},
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{
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`[ { "type": "int32" } ]`,
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common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"),
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nil,
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"int16",
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"abi: cannot unmarshal int32 in to int16",
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},
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{
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`[ { "type": "int17" } ]`,
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common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"),
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nil,
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"int16",
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"abi: cannot unmarshal *big.Int in to int16",
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},
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{
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`[ { "type": "int17" } ]`,
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common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"),
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big.NewInt(1),
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"*big.Int",
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"",
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},
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{
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`[ { "type": "address" } ]`,
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common.Hex2Bytes("0000000000000000000000000100000000000000000000000000000000000000"),
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common.Address{1},
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"address",
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"",
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},
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{
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`[ { "type": "bytes32" } ]`,
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common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
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common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
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"bytes",
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"",
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},
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{
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`[ { "type": "bytes32" } ]`,
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common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
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common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
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"hash",
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"",
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},
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{
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`[ { "type": "bytes32" } ]`,
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common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
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common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
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"interface",
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"",
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},
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{
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`[ { "type": "function" } ]`,
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common.Hex2Bytes("0100000000000000000000000000000000000000000000000000000000000000"),
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[24]byte{1},
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"function",
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"",
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},
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} {
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abiDefinition := fmt.Sprintf(`[{ "name" : "method", "outputs": %s}]`, test.def)
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abi, err := JSON(strings.NewReader(abiDefinition))
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if err != nil {
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t.Errorf("%d failed. %v", i, err)
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continue
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}
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var outvar interface{}
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switch test.outVar {
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case "bool":
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var v bool
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "uint8":
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var v uint8
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "uint16":
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var v uint16
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "uint32":
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var v uint32
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "uint64":
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var v uint64
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "int8":
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var v int8
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "int16":
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var v int16
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "int32":
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var v int32
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "int64":
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var v int64
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "*big.Int":
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var v *big.Int
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "address":
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var v common.Address
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "bytes":
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var v []byte
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "hash":
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var v common.Hash
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v.Bytes()[:]
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case "function":
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var v [24]byte
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err = abi.Unpack(&v, "method", test.marshalledOutput)
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outvar = v
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case "interface":
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err = abi.Unpack(&outvar, "method", test.marshalledOutput)
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default:
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t.Errorf("unsupported type '%v' please add it to the switch statement in this test", test.outVar)
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continue
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}
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if err != nil && len(test.err) == 0 {
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t.Errorf("%d failed. Expected no err but got: %v", i, err)
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continue
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}
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if err == nil && len(test.err) != 0 {
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t.Errorf("%d failed. Expected err: %v but got none", i, test.err)
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continue
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}
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if err != nil && len(test.err) != 0 && err.Error() != test.err {
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t.Errorf("%d failed. Expected err: '%v' got err: '%v'", i, test.err, err)
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continue
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}
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if err == nil {
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if !reflect.DeepEqual(test.expectedOut, outvar) {
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t.Errorf("%d failed. Output error: expected %v, got %v", i, test.expectedOut, outvar)
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}
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}
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}
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}
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func TestUnpackSetInterfaceSlice(t *testing.T) {
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var (
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var1 = new(uint8)
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var2 = new(uint8)
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)
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out := []interface{}{var1, var2}
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abi, err := JSON(strings.NewReader(`[{"type":"function", "name":"ints", "outputs":[{"type":"uint8"}, {"type":"uint8"}]}]`))
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if err != nil {
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t.Fatal(err)
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}
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marshalledReturn := append(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"), common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002")...)
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err = abi.Unpack(&out, "ints", marshalledReturn)
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if err != nil {
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t.Fatal(err)
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}
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if *var1 != 1 {
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t.Error("expected var1 to be 1, got", *var1)
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}
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if *var2 != 2 {
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t.Error("expected var2 to be 2, got", *var2)
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}
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out = []interface{}{var1}
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err = abi.Unpack(&out, "ints", marshalledReturn)
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expErr := "abi: cannot marshal in to slices of unequal size (require: 2, got: 1)"
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if err == nil || err.Error() != expErr {
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t.Error("expected err:", expErr, "Got:", err)
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}
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}
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func TestUnpackSetInterfaceArrayOutput(t *testing.T) {
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var (
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var1 = new([1]uint32)
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var2 = new([1]uint32)
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)
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out := []interface{}{var1, var2}
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abi, err := JSON(strings.NewReader(`[{"type":"function", "name":"ints", "outputs":[{"type":"uint32[1]"}, {"type":"uint32[1]"}]}]`))
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if err != nil {
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t.Fatal(err)
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}
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marshalledReturn := append(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"), common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002")...)
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err = abi.Unpack(&out, "ints", marshalledReturn)
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if err != nil {
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t.Fatal(err)
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}
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if *var1 != [1]uint32{1} {
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t.Error("expected var1 to be [1], got", *var1)
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}
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if *var2 != [1]uint32{2} {
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t.Error("expected var2 to be [2], got", *var2)
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}
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}
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func TestMultiReturnWithStruct(t *testing.T) {
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const definition = `[
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{ "name" : "multi", "constant" : false, "outputs": [ { "name": "Int", "type": "uint256" }, { "name": "String", "type": "string" } ] }]`
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abi, err := JSON(strings.NewReader(definition))
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if err != nil {
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t.Fatal(err)
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}
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// using buff to make the code readable
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buff := new(bytes.Buffer)
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buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
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buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
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buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000005"))
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stringOut := "hello"
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buff.Write(common.RightPadBytes([]byte(stringOut), 32))
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var inter struct {
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Int *big.Int
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String string
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}
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err = abi.Unpack(&inter, "multi", buff.Bytes())
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if err != nil {
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t.Error(err)
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}
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if inter.Int == nil || inter.Int.Cmp(big.NewInt(1)) != 0 {
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t.Error("expected Int to be 1 got", inter.Int)
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}
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if inter.String != stringOut {
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t.Error("expected String to be", stringOut, "got", inter.String)
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}
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var reversed struct {
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String string
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Int *big.Int
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}
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err = abi.Unpack(&reversed, "multi", buff.Bytes())
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if err != nil {
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t.Error(err)
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}
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if reversed.Int == nil || reversed.Int.Cmp(big.NewInt(1)) != 0 {
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t.Error("expected Int to be 1 got", reversed.Int)
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}
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if reversed.String != stringOut {
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t.Error("expected String to be", stringOut, "got", reversed.String)
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}
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}
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func TestMultiReturnWithSlice(t *testing.T) {
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const definition = `[
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{ "name" : "multi", "constant" : false, "outputs": [ { "name": "Int", "type": "uint256" }, { "name": "String", "type": "string" } ] }]`
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abi, err := JSON(strings.NewReader(definition))
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if err != nil {
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t.Fatal(err)
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}
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// using buff to make the code readable
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buff := new(bytes.Buffer)
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buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
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buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
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buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000005"))
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stringOut := "hello"
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buff.Write(common.RightPadBytes([]byte(stringOut), 32))
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var inter []interface{}
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err = abi.Unpack(&inter, "multi", buff.Bytes())
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if err != nil {
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t.Error(err)
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}
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if len(inter) != 2 {
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t.Fatal("expected 2 results got", len(inter))
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}
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if num, ok := inter[0].(*big.Int); !ok || num.Cmp(big.NewInt(1)) != 0 {
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t.Error("expected index 0 to be 1 got", num)
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}
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if str, ok := inter[1].(string); !ok || str != stringOut {
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t.Error("expected index 1 to be", stringOut, "got", str)
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}
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}
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func TestMarshalArrays(t *testing.T) {
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const definition = `[
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{ "name" : "bytes32", "constant" : false, "outputs": [ { "type": "bytes32" } ] },
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{ "name" : "bytes10", "constant" : false, "outputs": [ { "type": "bytes10" } ] }
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]`
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abi, err := JSON(strings.NewReader(definition))
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if err != nil {
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t.Fatal(err)
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}
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output := common.LeftPadBytes([]byte{1}, 32)
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var bytes10 [10]byte
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err = abi.Unpack(&bytes10, "bytes32", output)
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if err == nil || err.Error() != "abi: cannot unmarshal src (len=32) in to dst (len=10)" {
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t.Error("expected error or bytes32 not be assignable to bytes10:", err)
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}
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var bytes32 [32]byte
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err = abi.Unpack(&bytes32, "bytes32", output)
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if err != nil {
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t.Error("didn't expect error:", err)
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}
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if !bytes.Equal(bytes32[:], output) {
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t.Error("expected bytes32[31] to be 1 got", bytes32[31])
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}
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type (
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B10 [10]byte
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B32 [32]byte
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)
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var b10 B10
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err = abi.Unpack(&b10, "bytes32", output)
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if err == nil || err.Error() != "abi: cannot unmarshal src (len=32) in to dst (len=10)" {
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t.Error("expected error or bytes32 not be assignable to bytes10:", err)
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}
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var b32 B32
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err = abi.Unpack(&b32, "bytes32", output)
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if err != nil {
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t.Error("didn't expect error:", err)
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}
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if !bytes.Equal(b32[:], output) {
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t.Error("expected bytes32[31] to be 1 got", bytes32[31])
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}
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output[10] = 1
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var shortAssignLong [32]byte
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err = abi.Unpack(&shortAssignLong, "bytes10", output)
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if err != nil {
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t.Error("didn't expect error:", err)
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}
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if !bytes.Equal(output, shortAssignLong[:]) {
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t.Errorf("expected %x to be %x", shortAssignLong, output)
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}
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}
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func TestUnmarshal(t *testing.T) {
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const definition = `[
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{ "name" : "int", "constant" : false, "outputs": [ { "type": "uint256" } ] },
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{ "name" : "bool", "constant" : false, "outputs": [ { "type": "bool" } ] },
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{ "name" : "bytes", "constant" : false, "outputs": [ { "type": "bytes" } ] },
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{ "name" : "fixed", "constant" : false, "outputs": [ { "type": "bytes32" } ] },
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{ "name" : "multi", "constant" : false, "outputs": [ { "type": "bytes" }, { "type": "bytes" } ] },
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{ "name" : "intArraySingle", "constant" : false, "outputs": [ { "type": "uint256[3]" } ] },
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{ "name" : "addressSliceSingle", "constant" : false, "outputs": [ { "type": "address[]" } ] },
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{ "name" : "addressSliceDouble", "constant" : false, "outputs": [ { "name": "a", "type": "address[]" }, { "name": "b", "type": "address[]" } ] },
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{ "name" : "mixedBytes", "constant" : true, "outputs": [ { "name": "a", "type": "bytes" }, { "name": "b", "type": "bytes32" } ] }]`
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abi, err := JSON(strings.NewReader(definition))
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if err != nil {
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t.Fatal(err)
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}
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buff := new(bytes.Buffer)
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// marshal int
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var Int *big.Int
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err = abi.Unpack(&Int, "int", common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
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if err != nil {
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t.Error(err)
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}
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if Int == nil || Int.Cmp(big.NewInt(1)) != 0 {
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t.Error("expected Int to be 1 got", Int)
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}
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// marshal bool
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var Bool bool
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err = abi.Unpack(&Bool, "bool", common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
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if err != nil {
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t.Error(err)
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}
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if !Bool {
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t.Error("expected Bool to be true")
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}
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// marshal dynamic bytes max length 32
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buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
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buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
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bytesOut := common.RightPadBytes([]byte("hello"), 32)
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buff.Write(bytesOut)
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var Bytes []byte
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err = abi.Unpack(&Bytes, "bytes", buff.Bytes())
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if err != nil {
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t.Error(err)
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}
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if !bytes.Equal(Bytes, bytesOut) {
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t.Errorf("expected %x got %x", bytesOut, Bytes)
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}
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// marshall dynamic bytes max length 64
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buff.Reset()
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buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
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buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
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bytesOut = common.RightPadBytes([]byte("hello"), 64)
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buff.Write(bytesOut)
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err = abi.Unpack(&Bytes, "bytes", buff.Bytes())
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if err != nil {
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t.Error(err)
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}
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if !bytes.Equal(Bytes, bytesOut) {
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t.Errorf("expected %x got %x", bytesOut, Bytes)
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}
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// marshall dynamic bytes max length 63
|
|
buff.Reset()
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
|
buff.Write(common.Hex2Bytes("000000000000000000000000000000000000000000000000000000000000003f"))
|
|
bytesOut = common.RightPadBytes([]byte("hello"), 63)
|
|
buff.Write(bytesOut)
|
|
|
|
err = abi.Unpack(&Bytes, "bytes", buff.Bytes())
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if !bytes.Equal(Bytes, bytesOut) {
|
|
t.Errorf("expected %x got %x", bytesOut, Bytes)
|
|
}
|
|
|
|
// marshal dynamic bytes output empty
|
|
err = abi.Unpack(&Bytes, "bytes", nil)
|
|
if err == nil {
|
|
t.Error("expected error")
|
|
}
|
|
|
|
// marshal dynamic bytes length 5
|
|
buff.Reset()
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000005"))
|
|
buff.Write(common.RightPadBytes([]byte("hello"), 32))
|
|
|
|
err = abi.Unpack(&Bytes, "bytes", buff.Bytes())
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
if !bytes.Equal(Bytes, []byte("hello")) {
|
|
t.Errorf("expected %x got %x", bytesOut, Bytes)
|
|
}
|
|
|
|
// marshal dynamic bytes length 5
|
|
buff.Reset()
|
|
buff.Write(common.RightPadBytes([]byte("hello"), 32))
|
|
|
|
var hash common.Hash
|
|
err = abi.Unpack(&hash, "fixed", buff.Bytes())
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
|
|
helloHash := common.BytesToHash(common.RightPadBytes([]byte("hello"), 32))
|
|
if hash != helloHash {
|
|
t.Errorf("Expected %x to equal %x", hash, helloHash)
|
|
}
|
|
|
|
// marshal error
|
|
buff.Reset()
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
|
err = abi.Unpack(&Bytes, "bytes", buff.Bytes())
|
|
if err == nil {
|
|
t.Error("expected error")
|
|
}
|
|
|
|
err = abi.Unpack(&Bytes, "multi", make([]byte, 64))
|
|
if err == nil {
|
|
t.Error("expected error")
|
|
}
|
|
|
|
// marshal mixed bytes
|
|
buff.Reset()
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040"))
|
|
fixed := common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001")
|
|
buff.Write(fixed)
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020"))
|
|
bytesOut = common.RightPadBytes([]byte("hello"), 32)
|
|
buff.Write(bytesOut)
|
|
|
|
var out []interface{}
|
|
err = abi.Unpack(&out, "mixedBytes", buff.Bytes())
|
|
if err != nil {
|
|
t.Fatal("didn't expect error:", err)
|
|
}
|
|
|
|
if !bytes.Equal(bytesOut, out[0].([]byte)) {
|
|
t.Errorf("expected %x, got %x", bytesOut, out[0])
|
|
}
|
|
|
|
if !bytes.Equal(fixed, out[1].([]byte)) {
|
|
t.Errorf("expected %x, got %x", fixed, out[1])
|
|
}
|
|
|
|
buff.Reset()
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001"))
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002"))
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000003"))
|
|
// marshal int array
|
|
var intArray [3]*big.Int
|
|
err = abi.Unpack(&intArray, "intArraySingle", buff.Bytes())
|
|
if err != nil {
|
|
t.Error(err)
|
|
}
|
|
var testAgainstIntArray [3]*big.Int
|
|
testAgainstIntArray[0] = big.NewInt(1)
|
|
testAgainstIntArray[1] = big.NewInt(2)
|
|
testAgainstIntArray[2] = big.NewInt(3)
|
|
|
|
for i, Int := range intArray {
|
|
if Int.Cmp(testAgainstIntArray[i]) != 0 {
|
|
t.Errorf("expected %v, got %v", testAgainstIntArray[i], Int)
|
|
}
|
|
}
|
|
// marshal address slice
|
|
buff.Reset()
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000020")) // offset
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001")) // size
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000100000000000000000000000000000000000000"))
|
|
|
|
var outAddr []common.Address
|
|
err = abi.Unpack(&outAddr, "addressSliceSingle", buff.Bytes())
|
|
if err != nil {
|
|
t.Fatal("didn't expect error:", err)
|
|
}
|
|
|
|
if len(outAddr) != 1 {
|
|
t.Fatal("expected 1 item, got", len(outAddr))
|
|
}
|
|
|
|
if outAddr[0] != (common.Address{1}) {
|
|
t.Errorf("expected %x, got %x", common.Address{1}, outAddr[0])
|
|
}
|
|
|
|
// marshal multiple address slice
|
|
buff.Reset()
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000040")) // offset
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000080")) // offset
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000001")) // size
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000100000000000000000000000000000000000000"))
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000002")) // size
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000200000000000000000000000000000000000000"))
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000300000000000000000000000000000000000000"))
|
|
|
|
var outAddrStruct struct {
|
|
A []common.Address
|
|
B []common.Address
|
|
}
|
|
err = abi.Unpack(&outAddrStruct, "addressSliceDouble", buff.Bytes())
|
|
if err != nil {
|
|
t.Fatal("didn't expect error:", err)
|
|
}
|
|
|
|
if len(outAddrStruct.A) != 1 {
|
|
t.Fatal("expected 1 item, got", len(outAddrStruct.A))
|
|
}
|
|
|
|
if outAddrStruct.A[0] != (common.Address{1}) {
|
|
t.Errorf("expected %x, got %x", common.Address{1}, outAddrStruct.A[0])
|
|
}
|
|
|
|
if len(outAddrStruct.B) != 2 {
|
|
t.Fatal("expected 1 item, got", len(outAddrStruct.B))
|
|
}
|
|
|
|
if outAddrStruct.B[0] != (common.Address{2}) {
|
|
t.Errorf("expected %x, got %x", common.Address{2}, outAddrStruct.B[0])
|
|
}
|
|
if outAddrStruct.B[1] != (common.Address{3}) {
|
|
t.Errorf("expected %x, got %x", common.Address{3}, outAddrStruct.B[1])
|
|
}
|
|
|
|
// marshal invalid address slice
|
|
buff.Reset()
|
|
buff.Write(common.Hex2Bytes("0000000000000000000000000000000000000000000000000000000000000100"))
|
|
|
|
err = abi.Unpack(&outAddr, "addressSliceSingle", buff.Bytes())
|
|
if err == nil {
|
|
t.Fatal("expected error:", err)
|
|
}
|
|
}
|