go-pulse/accounts/abi/method_test.go
gary rong 00064ddcfb
accounts/abi: implement new fallback functions (#20764)
* accounts/abi: implement new fackball functions

In Solidity v0.6.0, the original fallback is separated
into two different sub types: fallback and receive.

This PR addes the support for parsing new format abi
and the relevant abigen functionalities.

* accounts/abi: fix unit tests

* accounts/abi: minor fixes

* accounts/abi, mobile: support jave binding

* accounts/abi: address marius's comment

* accounts/abi: Work around the uin64 conversion issue

Co-authored-by: Guillaume Ballet <gballet@gmail.com>
2020-04-15 09:23:58 +02:00

146 lines
4.5 KiB
Go

// Copyright 2018 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 (
"strings"
"testing"
)
const methoddata = `
[
{"type": "function", "name": "balance", "stateMutability": "view"},
{"type": "function", "name": "send", "inputs": [{ "name": "amount", "type": "uint256" }]},
{"type": "function", "name": "transfer", "inputs": [{"name": "from", "type": "address"}, {"name": "to", "type": "address"}, {"name": "value", "type": "uint256"}], "outputs": [{"name": "success", "type": "bool"}]},
{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple"}],"name":"tuple","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},
{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple[]"}],"name":"tupleSlice","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},
{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple[5]"}],"name":"tupleArray","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},
{"constant":false,"inputs":[{"components":[{"name":"x","type":"uint256"},{"name":"y","type":"uint256"}],"name":"a","type":"tuple[5][]"}],"name":"complexTuple","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},
{"stateMutability":"nonpayable","type":"fallback"},
{"stateMutability":"payable","type":"receive"}
]`
func TestMethodString(t *testing.T) {
var table = []struct {
method string
expectation string
}{
{
method: "balance",
expectation: "function balance() view returns()",
},
{
method: "send",
expectation: "function send(uint256 amount) returns()",
},
{
method: "transfer",
expectation: "function transfer(address from, address to, uint256 value) returns(bool success)",
},
{
method: "tuple",
expectation: "function tuple((uint256,uint256) a) returns()",
},
{
method: "tupleArray",
expectation: "function tupleArray((uint256,uint256)[5] a) returns()",
},
{
method: "tupleSlice",
expectation: "function tupleSlice((uint256,uint256)[] a) returns()",
},
{
method: "complexTuple",
expectation: "function complexTuple((uint256,uint256)[5][] a) returns()",
},
{
method: "fallback",
expectation: "fallback() returns()",
},
{
method: "receive",
expectation: "receive() payable returns()",
},
}
abi, err := JSON(strings.NewReader(methoddata))
if err != nil {
t.Fatal(err)
}
for _, test := range table {
var got string
if test.method == "fallback" {
got = abi.Fallback.String()
} else if test.method == "receive" {
got = abi.Receive.String()
} else {
got = abi.Methods[test.method].String()
}
if got != test.expectation {
t.Errorf("expected string to be %s, got %s", test.expectation, got)
}
}
}
func TestMethodSig(t *testing.T) {
var cases = []struct {
method string
expect string
}{
{
method: "balance",
expect: "balance()",
},
{
method: "send",
expect: "send(uint256)",
},
{
method: "transfer",
expect: "transfer(address,address,uint256)",
},
{
method: "tuple",
expect: "tuple((uint256,uint256))",
},
{
method: "tupleArray",
expect: "tupleArray((uint256,uint256)[5])",
},
{
method: "tupleSlice",
expect: "tupleSlice((uint256,uint256)[])",
},
{
method: "complexTuple",
expect: "complexTuple((uint256,uint256)[5][])",
},
}
abi, err := JSON(strings.NewReader(methoddata))
if err != nil {
t.Fatal(err)
}
for _, test := range cases {
got := abi.Methods[test.method].Sig()
if got != test.expect {
t.Errorf("expected string to be %s, got %s", test.expect, got)
}
}
}